Stable plastic product stamping device

By incorporating an electric telescopic rod, limit pins, a buffer mechanism, and an automatic ejector pin, the problems of inaccurate positioning, insufficient buffering, and difficulty in demolding in plastic product stamping devices have been solved, enabling high-precision and high-efficiency production of plastic products and improving equipment stability and operational safety.

CN224255885UActive Publication Date: 2026-05-19SHENZHEN HONGTAIHONG PLASTIC & ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN HONGTAIHONG PLASTIC & ELECTRIC CO LTD
Filing Date
2025-06-04
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing plastic product stamping equipment suffers from inaccurate positioning and guidance, lack of buffer mechanisms, low demolding efficiency, and poor adaptability, resulting in low stamping accuracy and production efficiency, as well as high noise and vibration, which affect equipment lifespan and operator health.

Method used

The stamping components are driven by an electric telescopic rod, and the limiting pins and limiting holes are used for precise positioning. A buffer mechanism is used to reduce impact force, automatic ejector pins demold, and a heating plate is used to soften the material. The compact and reasonable structure is designed to adapt to products of different specifications.

Benefits of technology

It improves stamping accuracy and production efficiency, reduces equipment wear, lowers noise and vibration, extends equipment life, simplifies operation procedures, and enhances the versatility and market competitiveness of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a stable plastic product stamping device, which relates to the field of plastic stamping and comprises a support, and the outer surface of the support is fixedly connected with a stamping mechanism. The stamping part is driven to stably act through precise power control, the plastic material is softened in advance through the heating part, the impact force is reduced through a buffering mechanism in the stamping process, and a finished product is automatically ejected out after stamping is completed, so that the stamping precision is remarkably improved, the size error of the produced plastic product is extremely small, and the production efficiency is improved. Equipment abrasion is greatly reduced through the excellent buffering and damping effect, the service life is prolonged, meanwhile, noise and vibration are reduced, damage to products caused by manual operation is avoided through an efficient automatic demolding mode, the production efficiency is greatly improved, the stamping requirements of plastic products of different specifications can be conveniently met through the structural design of the device, and the production cost is reduced. And the universality is high.
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Description

Technical Field

[0001] This utility model relates to the field of plastic stamping technology, and in particular to a stable plastic product stamping device. Background Technology

[0002] Stamping is a common and important processing method in the production of plastic products. By applying pressure to plastic materials through a stamping device, plastic deformation is caused to obtain the required shape and size. At present, the widely used plastic product stamping devices play a key role in the large-scale production of plastic products.

[0003] However, existing plastic product stamping equipment has some aspects that need improvement. As the application fields of plastic products continue to expand, the requirements for their quality and precision are increasing. The performance of traditional stamping equipment can hardly meet these new demands. In addition, production efficiency and equipment stability are also important factors restricting the development of plastic product manufacturing enterprises.

[0004] The existing technology has the following shortcomings:

[0005] 1) Existing stamping equipment, due to the lack of effective positioning and guiding mechanisms, is prone to stamping position deviations during the stamping process. This makes it difficult to guarantee the dimensional accuracy of the produced plastic products, failing to meet the requirements of some applications with high precision requirements, such as plastic parts in electronic devices. During long-term use, wear and tear on the equipment's components will further reduce stamping accuracy and affect the stability of product quality. The stamping process generates significant impact forces, and existing stamping equipment often lacks a proper buffering mechanism. This not only causes significant damage to the equipment itself and shortens its service life, but also generates considerable noise and vibration. Noise and vibration affect the working environment and pose a health hazard to operators. They may also cause displacement of plastic products during the stamping process, further reducing stamping quality.

[0006] 2) After stamping, removing the molded plastic product from the stamping die is a crucial step. Most existing stamping devices lack efficient demolding mechanisms and require manual operation, which is not only inefficient but also prone to damaging the plastic product. This is especially true for some complex-shaped plastic products, where demolding is more difficult and seriously affects production efficiency. Existing stamping devices can usually only stamp plastic products of specific shapes and sizes. When it is necessary to produce plastic products of different specifications, it is often necessary to replace the entire stamping device or make complex adjustments, which increases production costs and production cycle and reduces the company's market responsiveness. Utility Model Content

[0007] This utility model features an electric telescopic rod that drives components to move downwards, a heating plate that heats the plastic product, a limiting pin and a limiting hole for precise positioning, a buffer mechanism to reduce impact, and an ejector pin that ejects the product after stamping. The optimized working principle is replicated here, mainly focusing on the main effect, and will be added later to solve the problems mentioned in the background technology.

[0008] To achieve the above objectives, the present invention adopts the following technical solution: a stable plastic product stamping device, including a bracket, wherein a stamping mechanism is fixedly connected to the outer surface of the bracket; the stamping mechanism includes an electric telescopic rod, wherein a first mounting plate is fixedly connected to the output end of the electric telescopic rod, a limiting pin is movably inserted inside the first mounting plate, a first spring is sleeved on the outer wall of the limiting pin, a limiting sleeve is fixedly connected to the bottom of the first mounting plate, and a second mounting plate is fixedly connected to the bottom of the limiting sleeve.

[0009] Preferably, a first base is fixedly connected to the outer wall of the bracket, and a buffer mechanism is fixedly connected to the bottom of the first base; the buffer mechanism includes a plurality of second fixing plates, a plurality of second springs are fixedly connected to the bottom of each second fixing plate, a damping rod is provided inside each second spring, and a second base is fixedly connected to the bottom of each damping rod.

[0010] Preferably, a stamping seat is fixedly connected to the top of the first base, and a plurality of limiting holes are provided inside the stamping seat. A third spring is fixedly connected to the top of the bracket, and a pin is fixedly connected to the top of the third spring.

[0011] Preferably, a heating plate is fixedly connected to the bottom of the second mounting plate, and a plurality of stamping dies are fixedly connected to the bottom of the heating plate.

[0012] Preferably, a limiting post is fixedly connected to the top of the bracket, and the inner part of the limiting sleeve is fitted onto the outer wall of the limiting post.

[0013] Preferably, the two ends of the first spring are fixedly connected to the bottom of the first fixing plate and the top of the second mounting plate, respectively, and the outer surface of the bracket and the outer surface of the electric telescopic rod are fixedly connected.

[0014] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0015] 1. In this utility model, precise power control drives the stamping components to move smoothly, the heating components soften the plastic material in advance, and a buffer mechanism is used to reduce the impact force during the stamping process. After stamping is completed, the finished product is automatically ejected. In this way, the stamping accuracy is significantly improved, the dimensional error of the produced plastic products is extremely small, the excellent buffering and shock absorption effect greatly reduces equipment wear and extends service life, while reducing noise and vibration. The efficient automatic demolding method avoids damage to the products caused by manual operation and greatly improves production efficiency. Moreover, the structural design of this device makes it easy to adapt to the stamping needs of plastic products of different specifications, and it has strong versatility.

[0016] 2. In this utility model, all components work together, the overall structure is compact and reasonable, installation and maintenance are simple, effectively reducing the production and operation costs of enterprises and enhancing the competitiveness of products in the market. Attached Figure Description

[0017] Figure 1 This utility model provides a three-dimensional view of the main structure of a stable plastic product stamping device;

[0018] Figure 2 A bottom-view perspective view of a stable plastic product stamping device is provided for this utility model.

[0019] Figure 3 This utility model provides a schematic diagram of the main structure of a stable plastic product stamping device.

[0020] Figure 4 Other three-dimensional views of a stable plastic product stamping device are provided for this utility model;

[0021] Figure 5 This utility model provides a three-dimensional view of the base of a stable plastic product stamping device.

[0022] Legend: 1. Bracket; 11. First base; 2. Stamping mechanism; 201. Electric telescopic rod; 202. First mounting plate; 203. Limiting pin; 204. First spring; 205. Limiting sleeve; 206. First fixing plate; 207. Second mounting plate; 3. Stamping seat; 31. Limiting hole; 4. Heating plate; 41. Stamping die; 5. Buffer mechanism; 501. Second fixing plate; 502. Second spring; 503. Damping rod; 504. Second base; 6. Third spring; 61. Ejector pin; 7. Limiting post. Detailed Implementation

[0023] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0024] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0025] Please see attached Figure 1 - Appendix Figure 5 As shown, this utility model provides a technical solution: Figure 1 As shown, the stable plastic product stamping device structure of this embodiment includes a bracket 1, and a stamping mechanism 2 is fixedly connected to the outer surface of the bracket 1. The stamping mechanism 2 includes an electric telescopic rod 201, and a first mounting plate 202 is fixedly connected to the output end of the electric telescopic rod 201. A limiting pin 203 is movably inserted inside the first mounting plate 202, and a first spring 204 is sleeved on the outer wall of the limiting pin 203. A limiting sleeve 205 is fixedly connected to the bottom of the first mounting plate 202, and a second mounting plate 207 is fixedly connected to the bottom of the limiting sleeve 205. This provides more stable and efficient power for the stamping action, ensuring the consistency and accuracy of the stamping process. The first mounting plate 202 provides a mounting carrier for the components to be connected later, and under the drive of the electric telescopic rod 201, it can smoothly transmit the power required for stamping to the components connected below.

[0026] Please see attached Figure 1 - Appendix Figure 5As shown, a first base 11 is fixedly connected to the outer wall of the bracket 1, and a buffer mechanism 5 is fixedly connected to the bottom of the first base 11. The buffer mechanism 5 includes multiple second fixing plates 501, and multiple second springs 502 are fixedly connected to the bottom of each second fixing plate 501. Each second spring 502 has a damping rod 503 inside, and a second base 504 is fixedly connected to the bottom of each damping rod 503. The first base 11 increases the contact area between the bracket and the placement surface, enhances the stability of the entire device, and prevents the device from shifting due to vibration or other reasons during the stamping process. The buffer mechanism 5 can effectively reduce the impact force generated during the stamping process on the placement surface, and also reduce the vibration of the device itself caused by the impact, extending the service life of each component of the device. The buffer mechanism 5 includes multiple second fixing plates 501, which distribute the impact force. The force is distributed to multiple second springs 502, preventing individual springs from bearing excessive pressure and improving the overall load-bearing capacity and buffering effect of the buffer mechanism. Multiple second springs 502 are fixedly connected to the bottom of each second fixed plate 501. When subjected to the impact of the stamping, the second springs 502 absorb energy through their elastic deformation, playing a buffering and shock-absorbing role, effectively reducing the vibration of the device and ensuring the stability of the stamping process. Each second spring 502 has a damping rod 503 inside, which suppresses excessive rebound of the second spring 502, making the spring's movement during the buffering process smoother, further improving the buffering effect and preventing secondary vibration of the device caused by spring rebound. A second base 504 is fixedly connected to the bottom of each damping rod 503. The second base 504 evenly transmits the buffered force to the placement plane, while also providing support and fixation for the buffer mechanism, ensuring stable operation of the buffer mechanism.

[0027] Please see attached Figure 1 - Appendix Figure 5As shown, a stamping base 3 is fixedly connected to the top of the first base 11. Multiple limiting holes 31 are provided inside the stamping base 3. A third spring 6 is fixedly connected to the top of the bracket 1, and an ejector pin 61 is fixedly connected to the top of the third spring 6. The stamping base 3 provides a platform for placing and stamping plastic products. Its stable connection with the bracket and the first base ensures the stability of the plastic product's position during stamping. Multiple limiting holes 31 are provided inside the stamping base 3. These limiting holes 31 cooperate with the limiting pins 203 to precisely define the stamping position of the stamping die. This improves stamping accuracy and facilitates the production of plastic products with precise dimensions and stable quality. A third spring 6 is fixedly connected to the top of the bracket 1. After stamping, the third spring 6 can use its own elastic potential energy to lift the ejector pin 61 upward, realizing automatic ejection of the stamped plastic product without manual removal, thus improving production efficiency. The ejector pin 61 is fixedly connected to the top of the third spring 6. Under the action of the third spring 6, the ejector pin 61 can smoothly lift the stamped plastic product on the stamping seat, making it convenient for operators to pick up and simplifying the operation process.

[0028] Please see attached Figure 1 - Appendix Figure 5 As shown, a heating plate 4 is fixedly connected to the bottom of the second mounting plate 207. Multiple stamping dies 41 are fixedly connected to the bottom of the heating plate 4. The heating plate 4 can heat the plastic product before stamping, so that the plastic product reaches a suitable processing temperature, reduces its hardness, and improves its plasticity, which is beneficial for stamping and can effectively improve the stamping quality and product yield. Multiple stamping dies 41 are fixedly connected to the bottom of the heating plate 4. The multiple stamping dies 41 can be replaced according to different stamping requirements of plastic products, which increases the versatility of the device and can meet diverse production requirements.

[0029] Please see attached Figure 1 - Appendix Figure 5 As shown, a limiting post 7 is fixedly connected to the top of the bracket 1, and the inner part of the limiting sleeve 205 is fitted onto the outer wall of the limiting post 7. The limiting post 7 and the limiting sleeve 205 cooperate to provide precise guidance for the up and down movement of the stamping mechanism, ensuring that the stamping mechanism runs smoothly along a straight line, thereby improving the stability and accuracy of the stamping. The inner part of the limiting sleeve 205 is fitted onto the outer wall of the limiting post 7. This fitting structure allows the limiting sleeve 205 to move smoothly up and down along the limiting post 7, ensuring the smoothness and accuracy of the movement of the stamping mechanism, and thus improving the stability of the entire stamping process.

[0030] Please see attached Figure 1 - Appendix Figure 5As shown, the two ends of the first spring 204 are fixedly connected to the bottom of the first fixed plate 206 and the top of the second mounting plate 207, respectively. The outer surface of the bracket 1 and the outer surface of the electric telescopic rod 201 are fixedly connected, ensuring the flexibility and stability of the limit pin during operation. The fixed connection between the outer surface of the bracket 1 and the outer surface of the electric telescopic rod 201 securely connects the electric telescopic rod 201 to the bracket 1, ensuring that the electric telescopic rod 201 can stably provide power to the stamping mechanism during operation, and will not loosen due to vibration or other reasons, thus affecting the stamping effect.

[0031] Please see attached Figure 1 - Appendix Figure 5 As shown, the bottom of the heating plate 4 and the top of the stamping base 3 cooperate with each other, and the interior of each limiting hole 31 is correspondingly slidably sleeved on the outer wall of the third spring 6. The cooperation between the bottom of the heating plate 4 and the top of the stamping base 3 can ensure that the plastic product is heated evenly and stamped tightly, thus improving the molding quality. The limiting hole 31 slidably sleeves the third spring 6, which can limit the spring, prevent deviation and twisting, ensure the smooth lifting and lowering of the ejector pin, extend the spring life, and improve the operating stability of the device.

[0032] Working principle: The stamping mechanism operates as follows: When the electric telescopic rod 201 is activated, its output end extends, causing the first mounting plate 202 to move downwards. Since the limiting pin 203 is movably inserted inside the first mounting plate 202 and fitted with a first spring 204, the first spring 204 provides a buffering and resetting effect during the downward movement. The limiting sleeve 205 moves downwards along with the first mounting plate 202 and fits onto the limiting post 7. The limiting post 7 acts as a guide, ensuring the stamping direction. To ensure accuracy and stabilize the stamping process, the first mounting plate 202 drives the second mounting plate 207, the heating plate 4 fixed at the bottom of the second mounting plate 207, and the stamping die 41 to move downwards. Heating and stamping: During the downward movement, the heating plate 4 heats the plastic product to a suitable stamping temperature, reducing its hardness and facilitating stamping. When the stamping die 41 contacts the plastic product placed on the stamping base 3, stamping begins. At this time, the limiting pin 203 is in the limiting hole 31. With the cooperation of the two, the stamping position can be further precisely positioned, improving the stamping accuracy. The buffer mechanism plays a role in the following ways: During the stamping process, the device will generate a certain impact force. At this time, the buffer mechanism 5 plays a role. The first base 11, which is fixedly connected to the outer wall of the bracket 1, will be impacted by the stamping action of the device. In the buffer mechanism 5 at the bottom of the first base 11, multiple second fixed plates 501 disperse the impact force. The second spring 502 is compressed and deformed when subjected to the impact force, absorbing part of the impact force and playing a buffering role. At the same time, the damping rod 503 inside each second spring 502 can suppress the vibration of the spring and avoid excessive spring rebound, making the buffering effect more stable and reducing the vibration and shaking of the device during the stamping process, ensuring the stability and accuracy of the stamping. The ejector pin plays a role in the following ways: After the stamping is completed, the electric telescopic rod 201 retracts, driving the stamping die 41 to move upward. At this time, the third spring 6 will push the ejector pin 61 to move upward. The ejector pin 61 lifts the stamped plastic product from the stamping seat 3, making it easy to remove the stamped plastic product and complete one stamping operation.

[0033] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A stable stamping device for plastic products, characterized in that: Includes a bracket (1), and a stamping mechanism (2) is fixedly connected to the outer surface of the bracket (1); The stamping mechanism (2) includes an electric telescopic rod (201), the output end of which is fixedly connected to a first mounting plate (202), a limiting pin (203) is movably inserted inside the first mounting plate (202), a first spring (204) is sleeved on the outer wall of the limiting pin (203), a limiting sleeve (205) is fixedly connected to the bottom of the first mounting plate (202), and a second mounting plate (207) is fixedly connected to the bottom of the limiting sleeve (205).

2. The stable plastic product stamping device according to claim 1, characterized in that: The outer wall of the bracket (1) is fixedly connected to a first base (11), and the bottom of the first base (11) is fixedly connected to a buffer mechanism (5). The buffer mechanism (5) includes a plurality of second fixed plates (501), and a plurality of second springs (502) are fixedly connected to the bottom of each second fixed plate (501). Each second spring (502) has a damping rod (503) inside, and a second base (504) is fixedly connected to the bottom of each damping rod (503).

3. The stable plastic product stamping device according to claim 2, characterized in that: The top of the first base (11) is fixedly connected to a stamping seat (3), and the stamping seat (3) has multiple limiting holes (31) inside. The top of the bracket (1) is fixedly connected to a third spring (6), and the top of the third spring (6) is fixedly connected to a pin (61).

4. The stable plastic product stamping device according to claim 3, characterized in that: A heating plate (4) is fixedly connected to the bottom of the second mounting plate (207), and a plurality of stamping dies (41) are fixedly connected to the bottom of the heating plate (4).

5. The stable plastic product stamping device according to claim 1, characterized in that: The top of the bracket (1) is fixedly connected to a limiting post (7), and the inside of the limiting sleeve (205) is fitted onto the outer wall of the limiting post (7).

6. The stable plastic product stamping device according to claim 1, characterized in that: The two ends of the first spring (204) are fixedly connected to the bottom of the first fixed plate (206) and the top of the second mounting plate (207), respectively, and the outer surface of the bracket (1) and the outer surface of the electric telescopic rod (201) are fixedly connected.

7. The stable plastic product stamping device according to claim 4, characterized in that: The bottom of the heating plate (4) and the top of the stamping seat (3) cooperate with each other, and the interior of each limiting hole (31) is slidably sleeved on the outer wall of the third spring (6).