Core-pulling linkage mechanism of automobile interior trim part base injection mold
By designing the core extraction linkage mechanism of the injection mold of the base of the automotive interior parts, the problems of poor core extraction stability and limited application range of oil cylinders in the prior art are solved, and the core extraction effect with a higher quality and wider range of application is achieved.
Patent Information
- Application Number
- CN202421387787.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The existing injection molds have poor stability during the core extraction process, resulting in poor core extraction quality, and the fixed stroke of the oil cylinder limits its scope of application and reduces the practicality of the device.
A core extraction linkage mechanism for the injection mold of the base of the automotive interior part is designed. Through the linkage of the first core extraction mechanism, the second core extraction mechanism and the third core extraction mechanism, the core extraction work is gradually completed, and the application scope of the oil cylinder is expanded through the design of the limit block and the connecting rod.
It improves the stability and quality of the core extraction, expands the scope of application of the oil cylinder, and enhances the practicality and user experience of the device.
Smart Images
Figure CN222662536U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of core pulling of injection molds, in particular to a core pulling linkage mechanism of an injection mold for a base of an automobile interior decoration part. Background Art
[0002] Injection molds are needed when processing the base of automotive interior parts. During the injection mold processing, the injection molded parts need to be cored. There are many positions on the base of automotive interior parts that need to be cored. Therefore, multiple core-pulling mechanisms are required to work together to speed up the core-pulling efficiency and improve work efficiency.
[0003] The existing technology has the following problems:
[0004] The prior art has poor stability when performing core pulling on injection molded parts, resulting in poor quality of core pulling and reducing the practicality of the device. At the same time, the prior art mostly uses a cylinder for driving when performing core pulling, but the moving stroke of the cylinder is fixed. Most of the time, one cylinder can only be used for core pulling of one injection molded part, reducing the practicality of the device. Utility Model Content
[0005] The utility model provides a core-pulling linkage mechanism of an injection mold for an automobile interior decoration part base, so as to solve the problems raised in the above-mentioned background technology.
[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0007] A core-pulling linkage mechanism of an injection mold for an automobile interior decoration base comprises a fixed mold seat, the top of the fixed mold seat is overlapped with a movable mold seat, the inner wall of the movable mold seat is fixedly connected to a connecting plate by bolts, the left end of the movable mold seat is fixedly connected to a first core-pulling mechanism, the bottom of the left end of the movable mold seat is fixedly connected to a second core-pulling mechanism, and the top of the right end of the fixed mold seat is fixedly connected to a third core-pulling mechanism, the first core-pulling mechanism comprises a cylinder 1, the right end of the cylinder 1 is fixedly connected to the left end of the movable mold seat by bolts, the second core-pulling mechanism comprises a cylinder 2, the right end of the cylinder 2 is fixedly connected to the bottom of the left end of the movable mold seat by bolts, and the third core-pulling mechanism comprises a fixed seat, and the left end of the fixed seat is fixedly connected to the top of the right end of the fixed mold seat by bolts.
[0008] Preferably: the output end of the oil cylinder 1 is fixedly connected with an output rod, the outer wall of the output rod is slidably connected with the inner wall of the movable mold base, the outer wall of the output rod is overlapped with a connecting rod, the right end of the output rod is fixedly connected with an insert block 1, and the outer wall of the insert block 1 is inserted into the inner wall of the connecting rod.
[0009] Preferably: the left end of the connecting rod is fixedly connected with a second plug block, the outer wall of the second plug block is plugged with the inner wall of the output rod, the inner walls of the output rod and the connecting rod are plugged with a limit block, and the shape of the limit block is rhombus-shaped.
[0010] Preferably: a guide block is clamped on the right part of the connecting rod, the outer wall of the guide block is slidably connected to the inner wall of the movable mold base, the inner wall of the guide block is slidably connected to an ejector pin 1, the outer wall of the ejector pin 1 is movably sleeved with the inner wall of the connecting plate, the bottom end of the ejector pin 1 is fixedly connected to a core pulling block 1, the bottom of the core pulling block 1 is plugged with an injection molded part, and the outer wall of the injection molded part overlaps the outer wall of the connecting plate.
[0011] Preferably, the output end of the second oil cylinder is clamped with a second ejector pin, the right end of the second ejector pin is fixedly connected with a second core-pulling block, and the outer wall of the second core-pulling block is plugged with the inner wall of the injection molded part.
[0012] Preferably: the top of the fixing seat is fixedly connected to the oil cylinder three, the rear end of the fixing seat is fixedly connected to the touch switch, the top of the touch switch is fixedly connected to the contact, and the oil cylinder three, the touch switch and the contact are electrically connected.
[0013] Preferably: the left end of the output end of the oil cylinder three is clamped with the core pulling block three, the outer wall of the core pulling block three is plugged into the inner wall of the injection molded part, the outer wall of the core pulling block three is slidingly connected to the inner walls of the fixed mold base and the movable mold base, and the right end of the core pulling block three is fixedly connected with a touch rod.
[0014] Preferably, a contact block is fixedly connected to the outer wall of the contact rod, and the outer wall of the contact block overlaps the outer wall of the contact.
[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:
[0016] 1. The utility model provides a core pulling linkage mechanism for an injection mold for a base of an automobile interior decoration part. The core pulling work is completed in sequence by a first core pulling mechanism, a second core pulling mechanism and a third core pulling mechanism, and the next core pulling is performed after each core pulling is completed, so as to prevent the holes on the injection molded part from being deformed due to core pulling at the same time, thereby increasing the stability of the device, improving the quality of the core pulling and achieving the effect of increasing the stability of the device.
[0017] 2. The utility model provides a core-pulling linkage mechanism for an injection mold for an automobile interior trim base. The limit block is taken out and then the output rod and the connecting rod are pulled in opposite directions, so that the outer wall of the insert block 1 is no longer plugged into the inner wall of the connecting rod, and the outer wall of the insert block 2 is no longer plugged into the inner wall of the output rod. Then, connecting rods of different lengths can be replaced as needed, thereby making the application range of the oil cylinder 1 wider and increasing the practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of the main view of the utility model;
[0019] Figure 2 It is a schematic diagram of the cutaway structure of the main view of the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the oil cylinder 1 of the utility model;
[0021] Figure 4 It is a schematic diagram of the linkage structure of the core pulling mechanism of the utility model;
[0022] Figure 5 It is a structural schematic diagram of the first core-pulling mechanism of the utility model;
[0023] Figure 6 It is a structural schematic diagram of the third core-pulling mechanism of the utility model.
[0024] In the figure: 1. fixed mold base; 11. movable mold base; 12. connecting plate; 2. first core-pulling mechanism; 21. oil cylinder 1; 22. output rod; 221. plug block 1; 23. connecting rod; 231. plug block 2; 24. limit block; 25. guide block; 26. ejector pin 1; 27. core-pulling block 1; 3. second core-pulling mechanism; 31. oil cylinder 2; 32. ejector pin 2; 33. core-pulling block 2; 4. third core-pulling mechanism; 41. fixed base; 42. oil cylinder 3; 43. touch switch; 44. contact; 45. core-pulling block 3; 46. touch rod; 47. touch block; 5. injection molded part. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0026] like Figure 1-Figure 6 As shown, a core-pulling linkage mechanism of an injection mold for an automobile interior decoration base includes a fixed mold base 1, a movable mold base 11 is overlapped on the top of the fixed mold base 1, a connecting plate 12 is fixedly connected to the inner wall of the movable mold base 11 by bolts, a first core-pulling mechanism 2 is fixedly connected to the left end of the movable mold base 11, a second core-pulling mechanism 3 is fixedly connected to the bottom of the left end of the movable mold base 11, and a third core-pulling mechanism 4 is fixedly connected to the top of the right end of the fixed mold base 1. The first core-pulling mechanism 2 includes an oil cylinder 1 21, and the right end of the oil cylinder 1 21 is fixedly connected to the left end of the movable mold base 11 by bolts. The second core-pulling mechanism 3 includes an oil cylinder 2 31, and the right end of the oil cylinder 2 31 is fixedly connected to the bottom of the left end of the movable mold base 11 by bolts. The third core-pulling mechanism 4 includes a fixed seat 41, and the left end of the fixed seat 41 is fixedly connected to the top of the right end of the fixed mold base 1 by bolts.
[0027] After the core pulling work is completed by the first core pulling mechanism 2 and the second core pulling mechanism 3, the core pulling is performed again by the third core pulling mechanism 4, thereby completing the core pulling work, making the core pulling work more convenient and stable.
[0028] like Figure 2 , Figure 3 As shown, the output end of the oil cylinder 21 is fixedly connected with the output rod 22, the outer wall of the output rod 22 is slidably connected with the inner wall of the movable mold base 11, the outer wall of the output rod 22 is overlapped with the connecting rod 23, the right end of the output rod 22 is fixedly connected with the plug block 1 221, the outer wall of the plug block 1 221 is plugged with the inner wall of the connecting rod 23, the left end of the connecting rod 23 is fixedly connected with the plug block 231, the outer wall of the plug block 231 is plugged with the inner wall of the output rod 22, the inner walls of the output rod 22 and the connecting rod 23 are plugged with a limit block 24, and the shape of the limit block 24 is a rhombus.
[0029] By removing the limit block 24 and then pulling the output rod 22 and the connecting rod 23 in opposite directions, the outer wall of the insert block 1 221 is no longer plugged into the inner wall of the connecting rod 23, and the outer wall of the insert block 231 is no longer plugged into the inner wall of the output rod 22. After that, the connecting rod 23 of different lengths can be replaced as needed, thereby making the application range of the cylinder 1 21 wider and increasing the practicality.
[0030] like Figure 2 , Figure 4 , Figure 5 As shown, the right part of the connecting rod 23 is clamped with a guide block 25, the outer wall of the guide block 25 is slidably connected to the inner wall of the movable mold base 11, the inner wall of the guide block 25 is slidably connected to a ejector pin 26, the outer wall of the ejector pin 26 is movably sleeved with the inner wall of the connecting plate 12, the bottom end of the ejector pin 26 is fixedly connected to a core pulling block 27, the bottom of the core pulling block 27 is plugged with an injection molded part 5, and the outer wall of the injection molded part 5 overlaps the outer wall of the connecting plate 12.
[0031] By starting the oil cylinder 21, the oil cylinder 21 drives the output rod 22 to move, the output rod 22 drives the connecting rod 23 to move synchronously, and the connecting rod 23 drives the guide block 25 to move synchronously. Because the groove starting from the bottom of the guide block 25 has a certain slope, when the guide block 25 slides on the inner wall of the movable mold base 11, the outer wall of the ejector pin 26 slides on the inner wall of the guide block 25, so that the ejector pin 26 moves upward, thereby making the ejector pin 26 drive the core pulling block 27 to move upward, so that the outer wall of the core pulling block 27 is no longer plugged into the inner wall of the injection molded part 5, thereby completing the first core pulling work.
[0032] like Figure 2 , Figure 4 As shown, the output end of the second oil cylinder 31 is clamped with a second ejector pin 32 , the right end of the second ejector pin 32 is fixedly connected with a second core pulling block 33 , and the outer wall of the second core pulling block 33 is plugged into the inner wall of the injection molded part 5 .
[0033] By starting the second oil cylinder 31, the second ejector pin 32 is driven to move, and the second ejector pin 32 drives the second core pulling block 33 to move synchronously, so that the outer wall of the second core pulling block 33 is no longer plugged with the inner wall of the injection molded part 5, thereby completing the second core pulling work.
[0034] like Figure 2 , Figure 4 , Figure 6 As shown, the top of the fixed seat 41 is fixedly connected to the oil cylinder three 42, the rear end of the fixed seat 41 is fixedly connected to the touch switch 43, the top of the touch switch 43 is fixedly connected to the contact 44, the oil cylinder three 42, the touch switch 43 and the contact 44 are electrically connected, the left end of the output end of the oil cylinder three 42 is clamped with the core pulling block three 45, the outer wall of the core pulling block three 45 is plugged with the inner wall of the injection molded part 5, the outer wall of the core pulling block three 45 is slidably connected to the inner wall of the fixed mold seat 1 and the movable mold seat 11, and the right end of the core pulling block three 45 is fixedly connected to the touch rod 46.
[0035] By starting the oil cylinder 3 42, the core pulling block 3 45 is driven to slide synchronously on the inner walls of the fixed mold base 1 and the movable mold base 11, so that the core pulling block 3 45 is no longer in contact with the injection molded part 5, thereby completing the third core pulling work and achieving the core pulling effect.
[0036] like Figure 4 , Figure 6 As shown, a contact block 47 is fixedly connected to the outer wall of the contact rod 46 , and the outer wall of the contact block 47 overlaps the outer wall of the contact 44 .
[0037] When the core-pulling block 3 45 moves, it drives the touch rod 46 to move synchronously, and the touch rod 46 drives the touch block 47 to move synchronously. When the outer wall of the touch block 47 contacts the outer wall of the contact 44, the oil cylinder 3 42 stops working, thereby automatically closing the oil cylinder 3 42, making the device operation easier.
[0038] The working principle of the utility model is as follows: when core pulling is required, the oil cylinder 21 is first started, the oil cylinder 21 drives the output rod 22 to move, the output rod 22 drives the connecting rod 23 to move synchronously, and the connecting rod 23 drives the guide block 25 to move synchronously. Because the groove starting from the bottom of the guide block 25 has a certain slope, when the guide block 25 slides on the inner wall of the movable mold base 11, the outer wall of the ejector pin 26 slides on the inner wall of the guide block 25, so that the ejector pin 26 moves upward, thereby causing the ejector pin 26 to move upward. The first 26 drives the core pulling block 27 to move upward, so that the outer wall of the core pulling block 27 is no longer plugged into the inner wall of the injection molded part 5, and then the oil cylinder 2 31 is started to drive the ejector pin 2 32 to move, and the ejector pin 2 32 drives the core pulling block 2 33 to move synchronously, so that the outer wall of the core pulling block 2 33 is no longer plugged into the inner wall of the injection molded part 5, thereby completing the core pulling and achieving the effect of core pulling, and then the oil cylinder 21 and the oil cylinder 2 31 can be closed, and then the oil cylinder 3 42 is started to drive the core pulling block 3 45 synchronously When sliding on the inner walls of the fixed mold base 1 and the movable mold base 11, the core pulling block three 45 drives the touch rod 46 to move synchronously, and the touch rod 46 drives the touch block 47 to move synchronously. When the outer wall of the touch block 47 contacts the outer wall of the contact 44, the oil cylinder three 42 stops working, thereby causing the oil cylinder three 42 to automatically close, making the device operation easier. At this time, the core pulling block three 45 is no longer in contact with the injection molded part 5, thereby completing the core pulling and achieving the effect of core pulling. After that, the mold can be opened and demolded to take out the injection molded part 5. Subsequently, the limit block 24 can be taken out, and then the output rod 22 and the connecting rod 23 can be pulled in opposite directions, so that the outer wall of the plug block 1 221 is no longer plugged into the inner wall of the connecting rod 23, and the outer wall of the plug block 231 is no longer plugged into the inner wall of the output rod 22. After that, the connecting rod 23 of different lengths can be replaced as needed, thereby making the application range of the oil cylinder 1 21 wider, achieving the effect of increasing practicality, thereby greatly improving the user experience.
[0039] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A core-pulling linkage mechanism for an injection mold for an automobile interior decoration base, comprising a fixed mold base (1), characterized in that: The top of the fixed mold base (1) is overlapped with the movable mold base (11), the inner wall of the movable mold base (11) is fixedly connected to a connecting plate (12) by bolts, the left end of the movable mold base (11) is fixedly connected to a first core pulling mechanism (2), the bottom of the left end of the movable mold base (11) is fixedly connected to a second core pulling mechanism (3), and the top of the right end of the fixed mold base (1) is fixedly connected to a third core pulling mechanism (4), the first core pulling mechanism (2) includes a cylinder 1 (21), the right end of the cylinder 1 (21) is fixedly connected to the left end of the movable mold base (11) by bolts, the second core pulling mechanism (3) includes a cylinder 2 (31), the right end of the cylinder 2 (31) is fixedly connected to the bottom of the left end of the movable mold base (11) by bolts, and the third core pulling mechanism (4) includes a fixed base (41), the left end of the fixed base (41) is fixedly connected to the top of the right end of the fixed mold base (1) by bolts.
2. The core-pulling linkage mechanism of the automobile interior decoration base injection mold according to claim 1, characterized in that: The output end of the oil cylinder (21) is fixedly connected to an output rod (22), the outer wall of the output rod (22) is slidably connected to the inner wall of the movable mold base (11), the outer wall of the output rod (22) is overlapped with a connecting rod (23), the right end of the output rod (22) is fixedly connected to an insert block (221), and the outer wall of the insert block (221) is inserted into the inner wall of the connecting rod (23).
3. The core-pulling linkage mechanism of the automobile interior decoration base injection mold according to claim 2, characterized in that: The left end of the connecting rod (23) is fixedly connected with a second plug block (231), the outer wall of the second plug block (231) is plugged into the inner wall of the output rod (22), the inner walls of the output rod (22) and the connecting rod (23) are plugged with a limit block (24), and the outer shape of the limit block (24) is a rhombus.
4. The core-pulling linkage mechanism of the automobile interior decoration base injection mold according to claim 2, characterized in that: The right part of the connecting rod (23) is clamped with a guide block (25), the outer wall of the guide block (25) is slidably connected to the inner wall of the movable mold base (11), the inner wall of the guide block (25) is slidably connected to an ejector pin (26), the outer wall of the ejector pin (26) is movably sleeved with the inner wall of the connecting plate (12), the bottom end of the ejector pin (26) is fixedly connected with a core pulling block (27), the bottom of the core pulling block (27) is plugged with an injection molded part (5), and the outer wall of the injection molded part (5) is overlapped with the outer wall of the connecting plate (12).
5. The core-pulling linkage mechanism of the automobile interior decoration base injection mold according to claim 4, characterized in that: The output end of the second oil cylinder (31) is clamped with a second ejector pin (32), the right end of the second ejector pin (32) is fixedly connected with a second core pulling block (33), and the outer wall of the second core pulling block (33) is plugged into the inner wall of the injection molded part (5).
6. The core-pulling linkage mechanism of the automobile interior decoration base injection mold according to claim 1, characterized in that: The top end of the fixed seat (41) is fixedly connected to a cylinder three (42), the rear end of the fixed seat (41) is fixedly connected to a touch switch (43), the top end of the touch switch (43) is fixedly connected to a contact (44), and the cylinder three (42), the touch switch (43) and the contact (44) are electrically connected.
7. The core-pulling linkage mechanism of the automobile interior decoration base injection mold according to claim 6, characterized in that: The left end of the output end of the oil cylinder three (42) is clamped with a core pulling block three (45), the outer wall of the core pulling block three (45) is plugged into the inner wall of the injection molded part (5), the outer wall of the core pulling block three (45) is slidably connected to the inner walls of the fixed mold base (1) and the movable mold base (11), and the right end of the core pulling block three (45) is fixedly connected with a touch rod (46).
8. The core-pulling linkage mechanism of the automobile interior decoration base injection mold according to claim 7, characterized in that: The outer wall of the contact rod (46) is fixedly connected with a contact block (47), and the outer wall of the contact block (47) overlaps the outer wall of the contact head (44).