Thermal insulation protection device for charging barrel of injection molding machine

By designing a gap structure and a locking mechanism between the protective plate and the barrel on the outside of the injection molding machine barrel, the heat dissipation and versatility problems of the barrel thermal insulation protection device are solved, and a balance between effective insulation and heat dissipation is achieved.

CN223456434UActive Publication Date: 2025-10-21SHANDONG ZIJIANG PACKAGING CO LTD
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Patent Information

Application Number
CN202422712426.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-10-21
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

The outer periphery of the barrel of the existing injection molding machine lacks effective thermal insulation protection, and the existing thermal insulation device affects the heat dissipation effect and lacks versatility in use.

Method used

A protective plate is designed to be sleeved on the outside of the barrel. A gap is set between the protective plate and the barrel to achieve ventilation and heat dissipation. The clamping claws are adapted to barrels of different sizes, and a locking mechanism is combined to achieve simple and firm fixation.

Benefits of technology

The effective heat insulation protection of the barrel is achieved while maintaining good heat dissipation performance and improving the versatility and convenience of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of injection molding machines, and particularly discloses an injection molding machine charging barrel heat insulation protection device which comprises a first protection plate and a second protection plate which are connected, one end of the first protection plate is connected with one end of the second protection plate through a rotating shaft, and the other end of the first protection plate is fixed with the other end of the second protection plate through a locking mechanism. Clamping jaws for fixing the charging barrel are arranged on the inner sides of the first protection plate and the second protection plate, threaded rods are in threaded connection with the first protection plate and the second protection plate, one end of each threaded rod is rotationally connected with the corresponding clamping jaw, a handle is arranged at the other end of each threaded rod, and gaps are formed between the first protection plate and the charging barrel and between the second protection plate and the charging barrel; after the protective plate is sleeved on the outer side of the charging barrel, a gap is arranged between the protective plate and the charging barrel, ventilation and heat dissipation can be realized, the protective plate can play a role in protection and heat insulation, the clamping jaw can be adapted to charging barrels with different sizes by adjusting the clamping jaw, and the universality in use is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine technical field, concretely is a kind of injection molding machine barrel heat shield device. BACKGROUND

[0002] Injection molding machine is also known as injection molding machine or injection machine.It is the main molding equipment for making various shapes of plastic products by thermoplastic or thermosetting plastic using plastic molding die.It is divided into vertical, horizontal and all-electric type.Injection molding machine can heat plastic, apply high pressure to molten plastic, and make it fill the mold cavity.

[0003] The barrel of injection molding machine is an important part of injection molding machine, and its main function is to convert solid plastic particles or powder into molten state and push it into the mold of injection molding machine for injection molding.The barrel of injection molding machine is provided with a heating mechanism to heat and melt the plastic.The existing injection molding machine barrel usually does not have heat protection.The heat insulation performance needs to be improved.For this reason, CN215791594U discloses a heat protection device for injection molding machine, which is provided with a protective plate on both sides of the barrel to play a protective and heat insulation role.However, the protective plate of the device is tightly attached to the side wall of the barrel, which not only lacks universality in use, but also affects the heat dissipation effect of the barrel. SUMMARY

[0004] The utility model is just for the above-mentioned deficiencies existing in prior art, provide a kind of injection molding machine barrel heat shield device, protective plate is sleeved on the outside of barrel, gap is provided between protective plate and barrel, can realize ventilation and heat dissipation, protective plate can play the role of protection and heat insulation, different sizes of barrel can be adapted by adjusting clamping jaw, increase the universality of use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of injection molding machine barrel heat shield device, including the first protective plate and second protective plate connected, the first protective plate is connected with the second protective plate by pivot at one end, the other end of first protective plate and second protective plate is fixed by locking mechanism, the inside of first protective plate and second protective plate is equipped with the clamping jaw of fixed barrel, threaded rod is connected on first protective plate and second protective plate, the one end of threaded rod is rotatably connected with clamping jaw, the other end of threaded rod is equipped with handle, there is spacing between first protective plate and second protective plate and barrel.

[0007] Preferably, the locking mechanism includes a lock plate and a stud, the lock plate is connected with the first protective plate, and a lock groove is provided on the lock plate, one end of the stud is rotatably connected with the second protective plate by a pin shaft, the stud cooperates with the lock groove, and a locking nut is provided on the stud.

[0008] Preferably, the stud rotates transversely.

[0009] Preferably, the first and second protective plates are provided with support sleeves, and the threaded rods are threadedly connected with the support sleeves.

[0010] Preferably, the inner walls of the first and second protective plates are provided with guide cylinders, and the side walls of the clamping jaws are connected with guide rods matched with the guide cylinders.

[0011] Preferably, the two ends of the clamping jaws are provided with anti-skid pads matched with the material cylinders.

[0012] Preferably, the inner walls of the first and second protective plates are provided with heat insulation cotton.

[0013] Compared with the prior art, the protective plate sleeve is arranged outside the material cylinder, a gap is arranged between the protective plate and the material cylinder, ventilation and heat dissipation are realized, the protective plate can play a role of protection and heat insulation, the clamping jaw can be adjusted to adapt to material cylinders of different sizes, and the universality of use is increased.

[0014] 1. The protective plate sleeve is arranged outside the material cylinder, a gap is arranged between the protective plate and the material cylinder, ventilation and heat dissipation are realized, the protective plate can play a role of protection and heat insulation, the clamping jaw can be adjusted to adapt to material cylinders of different sizes, and the universality of use is increased.

[0015] 2. The locking mechanism is simple to open and close and firm to lock, and the convenience of use is increased.

[0016] 3. The anti-skid pads are arranged at the two ends of the clamping jaw, the firmness of fixation is increased, and the material cylinder side wall is prevented from being damaged. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic view of a three-dimensional structure of the utility model;

[0018] Figure 2 is a schematic view of a structure of the utility model after installation;

[0019] Figure 3 is Figure 1 is a schematic view of an enlarged structure of A of the utility model;

[0020] Figure 4 is a schematic view of a structure of the clamping jaw;

[0021] In the drawing: 1 - first protective plate; 101 - lock plate; 102 - lock groove; 2 - second protective plate; 201 - locking nut; 202 - stud; 203 - pin shaft; 3 - clamping jaw; 301 - guide rod; 302 - anti-skid pad; 4 - support sleeve; 5 - threaded rod; 501 - handle; 6 - guide cylinder; 7 - material cylinder; 8 - rotating shaft. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] As shown in the figure, Figure 1 A heat insulation protection device for an injection molding machine barrel 7 comprises a first protection plate 1 and a second protection plate 2 connected together, the first protection plate 1 and the second protection plate 2 are semicircular arc structures, one end of the first protection plate 1 and the second protection plate 2 is connected through a rotating shaft 8, the other end of the first protection plate 1 and the second protection plate 2 is fixed through a locking mechanism, and the first protection plate 1 and the second protection plate 2 combine to form a cylindrical structure.

[0024] As shown in the figure, Figure 2 The inner side of the first protection plate 1 and the second protection plate 2 is provided with a clamping jaw 3 for fixing the barrel 7, a threaded rod 5 is threadedly connected to the first protection plate 1 and the second protection plate 2, a sleeve ring is arranged on the side wall of the clamping jaw 3, the threaded rod 5 and the sleeve ring are rotationally matched, the other end of the threaded rod 5 is provided with a handle 501, the clamping jaw 3 can be pushed to move forward and backward through the threaded rod 5, so as to realize clamping action, and a spacing is arranged between the first protection plate 1, the second protection plate 2 and the barrel 7, so as to facilitate air circulation and realize heat dissipation.

[0025] As shown in the figure, Figure 3 The locking mechanism comprises a lock plate 101 and a stud 202, the lock plate 101 is connected to the first protection plate 1, the lock plate 101 is provided with a lock groove 102, one end of the stud 202 is rotationally connected to the second protection plate 2 through a pin shaft 203, the stud 202 is transversely rotated, the stud 202 is matched with the lock groove 102, the stud 202 is provided with a locking nut 201, and the first protection plate 1 and the second protection plate 2 are fixed by tightening the locking nut 201.

[0026] The first protection plate 1 and the second protection plate 2 are provided with a support sleeve 4, the threaded rod 5 is threadedly matched with the support sleeve 4, and the stability of the threaded rod 5 is improved.

[0027] In order to realize horizontal movement of the clamping jaw 3, a guide cylinder 6 is arranged on the inner wall of the first protection plate 1 and the second protection plate 2, a guide rod 301 matched with the guide cylinder 6 is connected to the side wall of the clamping jaw 3, and rotation of the clamping jaw 3 can be prevented.

[0028] As shown in the figure, Figure 4 Both ends of the clamping jaw 3 are provided with anti-skid pads 302 matched with the barrel 7, which can not only increase the firmness of fixation, but also prevent damage to the side wall of the barrel 7.

[0029] The inner side walls of the first protective plate 1 and the second protective plate 2 are provided with heat insulation cotton.

[0030] In use, the first protective plate 1 and the second protective plate 2 are sleeved on the outer side of the material cylinder 7, the first protective plate 1 and the second protective plate 2 are combined, the stud 202 is matched with the lock slot 102, then fixed through the locking nut 201, the handle 501 is rotated to rotate the threaded rod 5, the clamping jaw 3 clamps and fixes the material cylinder 7, the protective plate is sleeved on the outer side of the material cylinder 7, plays a protective and heat insulation role, and gaps are arranged between the protective plate and the material cylinder 7, ventilation and heat dissipation can be realized.

[0031] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application belong to the scope of the claims of the present application and equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. An injection molding machine barrel thermal shield comprising a first shield panel and a second shield panel connected together, characterized in that: One end of the first and second protective plates is connected through a rotating shaft, the other end of the first and second protective plates is fixed through a locking mechanism, the inner side of the first and second protective plates is provided with a clamping jaw for fixing the material cylinder, a threaded rod is threadedly connected to the first and second protective plates, one end of the threaded rod is rotatably connected to the clamping jaw, the other end of the threaded rod is provided with a handle, and a space is provided between the first and second protective plates and the material cylinder.

2. A thermal barrier for an injection molding machine barrel as described in claim 1, wherein: The locking mechanism comprises a lock plate and a stud, the lock plate is connected to the first protective plate, a lock groove is arranged on the lock plate, one end of the stud is rotatably connected to the second protective plate through a pin shaft, the stud is matched with the lock groove, and a locking nut is arranged on the stud.

3. A thermal barrier for a barrel of an injection molding machine as defined in claim 2, wherein: The stud is transversely rotated.

4. A thermal barrier for an injection molding machine cylinder as described by claim 1 wherein: Supporting sleeves are arranged on the first and second protective plates, and the threaded rod is threadedly matched with the supporting sleeves.

5. A thermal barrier for an injection molding machine cylinder as described by claim 1 wherein: A guide cylinder is arranged on the inner wall of the first and second protective plates, and a guide rod matched with the guide cylinder is connected to the side wall of the clamping jaw.

6. A thermal barrier for an injection molding machine cylinder as described by claim 1 wherein: Anti-skid pads matched with the material cylinder are arranged at both ends of the clamping jaw.

7. A thermal barrier for an injection molding machine cylinder as described by claim 1 wherein: Heat insulation cotton is arranged on the inner wall of the first and second protective plates.