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Manufacturing method for improving structure of plastic dryer

time:2020-10-23 15:59:57  source: Plastic machinery equipment  Author: Plastic dryer
Manufacturing method for improving structure of plastic dryer
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Patent name: Manufacturing method of improved plastic dryer structure
Technical field:
The utility model relates to a structural improvement of a dryer, especially a plastic dryer that uses hot air to dry plastic.
Background technique:
Before the plastic enters the injection molding machine, a drying procedure must be carried out to remove the moisture contained in the plastic. In this way, for the molded product, it can be ensured that the surface will not produce bumps due to moisture.plastic dryer
There is a structure of a plastic dryer, which includes a body, a hot air device, a blower device, a duct, a connecting pipe, and a screen separator.
The pipe is horizontally inserted near the top of the body. One end of the duct is connected with a hot air device arranged outside the body, and the hot air device is assembled and combined with the blowing device.
The other end of the pipe is penetrated inside the body and connected with the connecting pipe, and the end of the connecting pipe is connected with the aperture screen separator.
When in use, the plastic is placed in the body, and the blower device sends the high temperature hot air generated by the hot air device to the duct and the connecting pipe, and then outputs it from the perforated screen separator, and then mixes with the plastic to achieve the The purpose of plastic drying.
Since the duct is arranged above the main body and the orifice screen separator is located below the main body, when the connecting tube and the duct form a 90-degree angle, the orifice screen separator installed at the end of the connecting tube can remain unbiased Configuration; but in fact, the connecting pipe is only suspended by the upper pipe, and the connecting pipe has a relatively long length, so it is quite difficult to maintain the vertical state of the connecting pipe; in this way, the hole screen The separator will deflect.
Since the upper surface of the screen separator forms a structure that gradually expands from top to bottom, while the lower surface presents a structure that shrinks from large to small, when the screen separator is deflected, the plastic above the screen separator cannot Fall evenly. The perforated screen separator is tilted upwards, so there is greater resistance to the plastic on the left, which makes the plastic on the right easier to fall. In addition, the air output corresponding to the perforated screen separator on the left is greater than the air output on the right. Therefore, the drying time of the plastic on the right is short and the amount of drying air is small, compared to the left, the drying time is long and the amount of drying air is large, which makes the plastic in the body dry unevenly. Moreover, the plastic on the right that has not reached the best drying effect enters the molding machine first, and the quality of the finished product fails to reach the best effect.
Secondly, since the connecting pipe is arranged upright in the main body, it will take up a part of the space inside the main body, which reduces the amount of plastic accommodation in the main body.
SUMMARY OF THE INVENTION The present utility model is an improvement of the structure of a plastic dryer, which is equipped with a hot air device outside a body, and a blower device connected to the hot air device, and a duct is inserted near the bottom of the body One end of the duct is connected with the hot air device, and the other end is connected with the aperture screen separator, which is located inside the body and has a plurality of air outlet holes on the surface.
In this way, because there are fewer connecting pipes than the plastic dryer described in the prior art, and the pipes are directly assembled near the bottom of the body, a more streamlined structure group is formed, and the perforated screen separator can be maintained in an unbiased configuration , And does not occupy too much space inside the body, achieves the effect of uniform air volume and increased capacity.
Figure 1 is a schematic diagram of the structure of the utility model.
Detailed description Please refer to Figure 1. The utility model is composed of a body (21), a hot air device (22), a blower device (23), a duct (24) and a hole screen separator (25) Constituted.
The main body (21) is made into a hollow cylindrical shape, and the bottom (26) is connected with a processing machine (not shown). The hot air device (22) and the blowing device (23) are combined together and arranged outside the body (21).
It is worth noting that the conduit (24) is horizontally penetrated near the bottom (26) of the body (21). One end of the duct (24) is exposed outside the body (21) and connected to the air outlet position of the hot air device (22), and the other end of the duct (24) has a bend (27), the bend (27) It has only a small section, and one end faces the bottom (26) of the main body (21). The aperture screen separator (25) is assembled on the bent portion (27), and the surface of the aperture screen separator (25) is provided with a plurality of air outlet holes (28).
The utility model uses plastics (not shown) in the body (21), and uses the blower (23) to separate the high-temperature air generated by the hot air device (22) through the duct (24) and the orifice screen The container (25) is injected into the main body (21), mixed with plastic and dried. However, the operation of the utility model is equivalent to the conventional structure, so I won't repeat it.
As shown in Figure 1, because the length of the bent portion (27) is very small, the combination of the bent portion (27) and the perforated screen separator (25) will not cause a suspended state; in other words, the bent portion ( 27) The combination with the aperture screen separator (25) can present a stable state, and at the same time, it can also promote the aperture screen separator (25) to maintain an unbiased state.
In this way, the plastic corresponding to the top of the aperture screen separator (25) can evenly use the inclined diffusion structure of the upper surface of the aperture screen separator (25) to fall uniformly from all around, instead of the conventional structure Obstruct the fall of plastic. In addition, because the perforated screen separator (25) is in an upright state, the air output around it is uniform, and for the effect of drying the plastic, it can make all the plastics have a better drying uniformity. Therefore, the plastic falling from any direction has good dryness, which can relatively improve the quality of the product.
In addition, because the utility model lacks the connecting pipe provided in the conventional structure, the space occupied by the components is reduced for the inside of the body (21); therefore, the amount of accommodation inside the body (21) is limited In other words, it can be significantly improved.
Therefore, the utility model uses fewer components and directly assembles the catheter (24) near the bottom (26) of the main body (21), thus forming a more streamlined structure group, which can ensure the screen separator (25) Maintain a non-skewed configuration and do not occupy too much space inside the body (21), which can better meet the needs of actual use.
Claim 1. An improved structure of a plastic dryer, which is equipped with a hot air device outside a body and a blower device connected to the hot air device, characterized in that a duct is penetrated near the bottom of the body One end of the duct is connected with the hot air device, and the other end is connected with the aperture screen separator, which is located inside the body and has a plurality of air outlet holes on the surface.
2. The improvement of the structure of the plastic dryer according to claim 1, characterized in that one end of the duct is formed with a bent portion for connecting the aperture screen separator.
Patent summaryThis utility model is an improvement in the structure of a plastic dryer. A duct is inserted near the bottom of a body. One end of the duct is connected with the hot air device and the blast device outside the body, and the other end of the duct is connected with The perforated screen separator set in the body is connected; because the catheter and the perforated screen separator are assembled at a position close to the bottom of the main body, not only the structure becomes more streamlined, but in the assembly, the perforated screen separator It is easy to maintain a non-skewed configuration, and for the space inside the body, a larger capacity can be formed.
Document number B29B13/00GK2518663SQ0127154
Publication date October 30, 2002 Application date December 31, 2001 Priority date December 31, 2001
 
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Product name:Manufacturing method for improving structure of plastic dryer
Enterprise:Dongguan Hengju mechanical equipment Co., Ltd
Country:china
Region:Dong guan
Telephone:+86 15817747776
whatapp:+86-15876905866
mailbox:HJ@gdhengju.com
Official websitewto-btb.com/hengju
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