Machining die for shell of automobile thermostat

By introducing buffer and guide mechanisms into the car thermostat shell processing mold, the deformation and accuracy problems caused by impact force during mold release are solved, the mold life and production safety are improved, and the high precision and quality of the product are ensured.

CN222328933UActive Publication Date: 2025-01-10QUFU BOWEN AUTO PARTS MFG CO LTD
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Patent Information

Application Number
CN202421166066.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-01-10
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

The existing automotive thermostat shell processing molds cannot effectively reduce the impact on the finished product during the demolding process, resulting in deformation, cracks or dimensional changes in the newly formed shell, reducing the dimensional accuracy and durability of the product.

Method used

A car thermostat housing processing mold including a buffer mechanism is designed. The buffer mechanism consists of a lower fixing ring, an upper fixing ring, a buffer spring and a thimble. By pneumatically driving the cooperation of the push plate and the thimble, the direct impact of the thimble and the shell is slowed down. , avoid damage or deformation of the mold due to uneven stress, and ensure stable support and precise movement of the mold through a guide mechanism.

Benefits of technology

It effectively reduces the instantaneous stress of the mold during the demolding process, extends the mold life, improves production safety and accuracy, and ensures the dimensional accuracy and quality of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a machining die for an automobile thermostat shell, which belongs to the technical field of thermostat dies and comprises a bottom plate, a sliding groove is arranged in an inner cavity of the bottom plate, an air groove is arranged at the bottom of the sliding groove, a connecting pipe is arranged at one end of the air groove, a push plate is arranged in the inner cavity of the sliding groove, and a buffer mechanism is arranged at the top of the push plate. The buffering mechanism comprises lower fixing rings, upper fixing rings, buffering springs and ejector pins, the lower fixing rings are fixedly installed at the four corners of the top of the push plate, the upper fixing rings are fixedly installed at the tops of the inner walls of the sliding grooves, and the buffering springs are arranged on the inner sides of the lower fixing rings and the inner sides of the upper fixing rings. According to the utility model, through the arrangement of the buffer mechanism, the instant stress on the mold in the demolding process is effectively reduced, the damage or deformation of the mold caused by non-uniform stress is avoided, the service life of the mold is further prolonged, the potential safety hazard in the operation process is reduced, and the production safety is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of thermostat moulds, and in particular relates to a processing mould for an automobile thermostat shell. Background Art

[0002] In the automotive industry, the thermostat is a vital component that is responsible for regulating the temperature of the engine cooling system to ensure that the engine operates within the optimal operating temperature range. With the continuous advancement of automotive technology and the increasing demand for automotive performance by consumers, the requirements for the accuracy, durability and production efficiency of the thermostat housing are also getting higher and higher.

[0003] Existing automotive thermostat housing processing molds often cannot effectively reduce the impact on the finished product during the ejection process. This direct impact force can easily cause the newly formed thermostat housing to deform, crack or even break, especially in areas where the housing is thin or the structure is complex. These damages are more significant. In addition, the impact force may also cause changes in the size of the finished product, such as warping or twisting, thereby reducing the dimensional accuracy of the product and making it difficult to meet the design requirements. Utility Model Content

[0004] The utility model aims to provide a processing die for an automobile thermostat housing, aiming to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A processing mold for an automobile thermostat housing comprises a bottom plate, an inner cavity of the bottom plate is provided with a slide groove, an air groove is provided at the bottom of the slide groove, a connecting pipe is provided at one end of the air groove, a push plate is provided in the inner cavity of the slide groove, a buffer mechanism is provided on the top of the push plate, the buffer mechanism comprises a lower fixing ring, an upper fixing ring, a buffer spring and an ejector pin, the lower fixing ring is fixedly installed at the four corners of the top of the push plate, the upper fixing ring is fixedly installed at the top of the inner wall of the slide groove, the buffer spring is arranged on the inner sides of the lower fixing ring and the upper fixing ring, and the ejector pin is fixedly installed on the inner side of the lower fixing ring.

[0007] As a preferred solution of the utility model, a lower mold is arranged on the top of the bottom plate, and a lifting hole is opened at the bottom of the lower mold.

[0008] As a preferred solution of the utility model, an upper mold is arranged on the top of the lower mold, exhaust holes are opened on both sides of the upper mold and the lower mold, and cooling water channels are arranged on both sides of the inner cavity of the lower mold.

[0009] As a preferred solution of the utility model, an injection hole is opened on the top of the upper mold, and a pressing plate is arranged on the top of the upper mold.

[0010] As a preferred solution of the utility model, a guide mechanism is arranged on the top of the base plate, and the guide mechanism comprises a guide sleeve, a guide column, a support plate and a compression spring, and the guide sleeve is arranged at the four corners of the top of the base plate.

[0011] As a preferred solution of the utility model, the guide post is movably installed in the inner cavity of the guide sleeve, and one end of the guide post is connected to the pressure plate.

[0012] As a preferred solution of the utility model, the support plate is arranged on the top of the guide sleeve, and the compression spring is arranged on the top of the support plate and sleeved on the outer side of the guide column.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the setting of the buffer mechanism effectively reduces the instantaneous stress on the mold during the demolding process, avoids damage or deformation of the mold due to uneven force, further improves the life of the mold, and at the same time reduces safety hazards during operation and improves production safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following is a brief introduction to the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a partial structural sectional view of the utility model;

[0017] Figure 3 It is a partial structural schematic diagram of the utility model;

[0018] Figure 4 It is a schematic diagram of the separation of the upper mold and the lower mold of the utility model.

[0019] In the figure: 1. bottom plate; 2. slide groove; 3. air groove; 4. connecting pipe; 5. push plate; 6. buffer mechanism; 601. lower fixing ring; 602. upper fixing ring; 603. buffer spring; 604. ejector pin; 7. lower mold; 8. upper mold; 9. guide mechanism; 901. guide sleeve; 902. guide column; 903. support plate; 904. compression spring; 10. exhaust hole; 11. cooling water channel; 12. injection hole; 13. pressure plate; 14. lifting hole. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0022] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0023] Example 1

[0024] Reference Figures 1 to 4 , is the first embodiment of the utility model, which provides a processing mold for an automobile thermostat housing, including a bottom plate 1, a slide groove 2 is provided in the inner cavity of the bottom plate 1, an air groove 3 is provided at the bottom of the slide groove 2, a connecting pipe 4 is provided at one end of the air groove 3, a push plate 5 is provided in the inner cavity of the slide groove 2, and a buffer mechanism 6 is provided on the top of the push plate 5. The buffer mechanism 6 includes a lower fixing ring 601, an upper fixing ring 602, a buffer spring 603 and an ejector pin 604. The lower fixing ring 601 is fixedly installed at the four corners of the top of the push plate 5, the upper fixing ring 602 is fixedly installed at the top of the inner wall of the slide groove 2, the buffer spring 603 is arranged on the inner sides of the lower fixing ring 601 and the upper fixing ring 602, and the ejector pin 604 is fixedly installed on the inner side of the lower fixing ring 601.

[0025] Specifically, a lower mold 7 is arranged on the top of the base plate 1, a lifting hole 14 is opened at the bottom of the lower mold 7, an upper mold 8 is arranged on the top of the lower mold 7, exhaust holes 10 are opened on both sides of the upper mold 8 and the lower mold 7, cooling water channels 11 are arranged on both sides of the inner cavity of the lower mold 7, an injection hole 12 is opened at the top of the upper mold 8, and a pressing plate 13 is arranged on the top of the upper mold 8.

[0026] Furthermore, the bottom plate 1 provides a stable support for the mold to ensure that the mold will not shake or deform during the processing. The slide groove 2 provides a sliding track for the push plate 5 so that it can move in the vertical direction. The air pressure generated by the air pump is transmitted to the push plate 5 through the air groove 3 and the connecting pipe 4 to drive the push plate 5 to move. Under the action of the air pressure, the push plate 5 pushes the ejector pin 604 to move in the ejection hole 14 to demould the shell. When the ejector pin 604 starts to move upward to eject the molded shell, the buffer spring 603 in the buffer mechanism 6 will provide a reverse resistance. This resistance can effectively slow down the rising speed of the ejector pin 604, thereby preventing the direct impact between the ejector pin 604 and the shell, thereby reducing the instantaneous stress on the mold. , to avoid damage or deformation of the mold due to uneven force. The exhaust hole 10 can be set to discharge air and excess material in the mold cavity to ensure that there are no bubbles and impurities inside the shell. The cooling water circulating in the cooling water channel 11 takes away the heat of the mold and reduces the temperature of the mold, thereby accelerating the cooling and solidification process of the shell. The molten material can be injected into the mold cavity through the injection hole 12. The pressing plate 13 is connected to the transmission mechanism to drive the upper mold 8 to move downward and perform precise mold closing operation with the lower mold 7. During the mold closing process, the pressing plate 13 can also provide sufficient pressure to ensure that the upper mold 8 and the lower mold 7 are tightly fitted to prevent the molten material from leaking during the injection molding process and ensure the molding quality of the product.

[0027] When in use, the mold is in an open state, the upper mold 8 and the lower mold 7 are separated to form an open mold cavity, the buffer spring 603 of the buffer mechanism 6 is in a natural state, the ejector pin 604 is located at the bottom of the jacking hole 14 of the lower mold 7, the air groove 3 and the connecting pipe 4 are connected to the air pump, but have not started working. When closing the mold, the pressing plate 13 is connected to the transmission mechanism to drive the upper mold 8 to move downward and perform a precise mold closing operation with the lower mold 7. During the mold closing process, the pressing plate 13 provides sufficient pressure to ensure that the upper mold 8 and the lower mold 7 are tightly fitted to prevent the molten material from leaking during the injection molding process. When the mold is completely closed, the molten material is injected into the mold cavity through the injection hole 12. The setting of the exhaust hole 10 makes The air and excess material in the mold cavity can be discharged to ensure that there are no bubbles and impurities inside the shell. The circulating cooling water in the cooling water channel 11 takes away the heat of the mold and reduces the temperature of the mold, thereby accelerating the cooling and solidification process of the shell. When the shell is completely cooled and solidified, the air pump starts to work and applies air pressure to the push plate 5 through the connecting pipe 4 and the air groove 3. The push plate 5 moves upward under the action of the air pressure, driving the ejector pin 604 to move upward in the ejection hole 14 to eject the molded shell. In the process of the ejector pin 604 moving upward, the buffer spring 603 of the buffer mechanism 6 starts to play a role. They provide a reverse resistance to slow down the rising speed of the ejector pin 604, thereby preventing the direct impact between the ejector pin 604 and the shell.

[0028] In summary, the pneumatically driven demoulding mechanism has a fast response speed and high control accuracy, and can complete the demoulding operation quickly and accurately, further improving production efficiency. The setting of the buffer mechanism 6 effectively reduces the instantaneous stress on the mold during the demoulding process, avoids damage or deformation of the mold due to uneven force, further improves the life of the mold, and at the same time reduces safety hazards during operation, thereby improving production safety.

[0029] Example 2

[0030] Reference Figure 1 and Figure 4 , which is the second embodiment of the utility model. Different from the previous embodiment, this embodiment provides a processing mold for an automobile thermostat housing. A guide mechanism 9 is arranged on the top of the base plate 1. The guide mechanism 9 includes a guide sleeve 901, a guide column 902, a support plate 903 and a compression spring 904. The guide sleeve 901 is arranged at the four corners of the top of the base plate 1.

[0031] Specifically, the guide column 902 is movably installed in the inner cavity of the guide sleeve 901, one end of the guide column 902 is connected to the pressure plate 13, the support plate 903 is arranged on the top of the guide sleeve 901, and the compression spring 904 is arranged on the top of the support plate 903 and is sleeved on the outside of the guide column 902.

[0032] Furthermore, the guide sleeve 901 provides precise guidance for the lifting and lowering of the upper mold 8, ensuring that the upper mold 8 can maintain stable vertical movement during the lifting process to avoid deviation or tilting, thereby ensuring the accuracy of mold closing and the quality of the shell. The guide column 902 serves as a support and guide for the lifting and lowering of the pressure plate 13 and the upper mold 8. Driven by the pressure plate 13, the guide column 902 moves vertically along the guide sleeve 901, ensuring the precise lifting and lowering of the upper mold 8 and improving the repeated positioning accuracy and processing efficiency of the mold. The support plate 903 provides support for the compression spring 904, so that the compression spring 904 can be evenly distributed around the guide column 902, providing stable buffering and reset functions. The compression spring 904 can provide buffering and reset forces during the mold closing and demolding process, helping the upper mold 8 to quickly reset, thereby improving the degree of automation and work efficiency of the mold. At the same time, the buffering effect of the compression spring 904 can also reduce the impact and vibration of the mold and extend the service life of the mold.

[0033] When in use, first, in the initial state of the mold, the upper mold 8 and the lower mold 7 are in a separated state, forming an open mold cavity, ready for the mold closing operation. At this time, the compression spring 904 is in a natural state, and the guide column 902 is located at the bottom of the inner cavity of the guide sleeve 901. When the mold closing operation is required, the pressing plate 13 starts to move downward by connecting with the transmission mechanism. The downward movement of the pressing plate 13 drives the guide column 902 connected thereto to move vertically downward along the inner cavity of the guide sleeve 901. Since the guide sleeve 901 provides precise guidance for the lifting and lowering of the upper mold 8, the movement of the guide column 902 and the pressing plate 13 can ensure that the upper mold 8 moves downward stably and vertically. , and accurately close the mold with the lower mold 7. During the closing process, the pressure plate 13 provides sufficient pressure to ensure that the upper mold 8 and the lower mold 7 are tightly fitted to prevent the molten material from leaking during the injection molding process. At the same time, the support plate 903 supports the compression spring 904. As the guide column 902 moves downward, the compression spring 904 is gradually compressed and stores energy. When the shell is completely cooled and solidified, the pressure plate 13 starts to move upward, driving the guide column 902 to move vertically upward along the inner cavity of the guide sleeve 901. At this time, the compression spring 904 starts to release the stored energy and provide a reset force to help the upper mold 8 quickly reset and separate from the lower mold 7, thereby completing the demolding operation.

[0034] In summary, the overall design of the guide mechanism 9 makes the mold closing and demolding process smoother and faster, further improving the working efficiency of the mold. The guide sleeve 901 provides precise guidance for the lifting and lowering of the upper mold 8, ensuring that the upper mold 8 can maintain stable vertical movement during the lifting process, avoiding deviation or tilting, thereby ensuring the accuracy of mold closing and the quality of the shell. The guide column 902 serves as a supporting and guiding structure to ensure the precise lifting and lowering of the upper mold 8, further improving the mold's repeatability accuracy and processing efficiency. The compression spring 904 provides buffering and reset force during the mold closing and demolding process, effectively reducing the impact and vibration of the mold, thereby extending the service life of the mold.

[0035] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0036] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0037] It should be understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but for those of ordinary skill having the benefit of this disclosure, without undue experimentation, the development effort will be a routine task of design, fabrication, and production.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A processing mold for an automobile thermostat housing, characterized in that: The invention comprises a bottom plate (1), the inner cavity of the bottom plate (1) is provided with a slide groove (2), the bottom of the slide groove (2) is provided with an air groove (3), one end of the air groove (3) is provided with a connecting pipe (4), the inner cavity of the slide groove (2) is provided with a push plate (5), the top of the push plate (5) is provided with a buffer mechanism (6), the buffer mechanism (6) comprises a lower fixing ring (601), an upper fixing ring (602), a buffer spring (603) and a ejector pin (604), the lower fixing ring (601) is fixedly installed at the four corners of the top of the push plate (5), the upper fixing ring (602) is fixedly installed at the top of the inner wall of the slide groove (2), the buffer spring (603) is arranged on the inner side of the lower fixing ring (601) and the upper fixing ring (602), and the ejector pin (604) is fixedly installed on the inner side of the lower fixing ring (601).

2. The processing mold for an automobile thermostat housing according to claim 1, characterized in that: A lower mold (7) is arranged on the top of the bottom plate (1), and a lifting hole (14) is opened at the bottom of the lower mold (7).

3. The processing mold for the automobile thermostat housing according to claim 2, characterized in that: An upper mold (8) is arranged on the top of the lower mold (7), exhaust holes (10) are provided on both sides of the upper mold (8) and the lower mold (7), and cooling water channels (11) are provided on both sides of the inner cavity of the lower mold (7).

4. The processing mold for the automobile thermostat housing according to claim 3, characterized in that: An injection hole (12) is provided at the top of the upper mold (8), and a pressing plate (13) is provided at the top of the upper mold (8).

5. The processing mold for the automobile thermostat housing according to claim 1, characterized in that: A guide mechanism (9) is arranged at the top of the base plate (1), and the guide mechanism (9) comprises a guide sleeve (901), a guide column (902), a support plate (903) and a compression spring (904); the guide sleeve (901) is arranged at the four corners of the top of the base plate (1).

6. The processing mold for the automobile thermostat housing according to claim 5, characterized in that: The guide column (902) is movably mounted in the inner cavity of the guide sleeve (901), and one end of the guide column (902) is connected to the pressing plate (13).

7. The processing mold for the automobile thermostat housing according to claim 5, characterized in that: The support plate (903) is disposed on the top of the guide sleeve (901), and the compression spring (904) is disposed on the top of the support plate (903) and sleeved on the outer side of the guide column (902).