Guiding structure of automotive upholstery forming die

Abstract

The utility model provides a guide structure of an automotive upholstery forming die, which comprises an upper die and a lower die, and the upper die is positioned at the top of the lower die. The utility model relates to the technical field of automobile interior trim part forming dies. According to the guide structure of the automotive upholstery forming die, the guide mechanism is arranged, the upper die can be installed on the lower die by aligning the positions of the guide sleeve and the guide column, meanwhile, the guide column enters the guide sleeve, then the two screwing blocks are screwed in sequence, the screwing blocks drive the threaded rod to rotate in the threaded hole, and the guide sleeve and the guide column are screwed in sequence. When the upper die moves, a threaded rod gradually moves towards the side close to a guide column, meanwhile, a first bearing and a movable shell are driven to move along the tracks of a limiting block and a limiting groove, the movable shell drives a pulley to move, the surface of the pulley is tightly attached to the inner wall of a guide groove, and the guiding mode is changed into rolling from sliding; and the pulleys in the guide sleeves can roll in a manner of being attached to the guide grooves, so that the guide accuracy is improved.

Description

Technical Field

[0001] This utility model relates to the field of automotive interior parts molding die technology, specifically a guide structure for automotive interior parts molding die. Background Technology

[0002] Automotive interior parts mainly refer to automotive products used for interior modifications, covering all aspects of the car's interior. Examples include steering wheel covers, seat cushions, floor mats, air fresheners, car ornaments, interior decorations, storage boxes, etc. Automotive interior part molding dies are the molds used to process these products. Automotive interior part molding dies typically use guide pillars and guide sleeves on a mold frame for guidance. The fit precision of these guide pillars and guide sleeves is generally controlled to a single-sided gap of approximately 0.07-0.08mm. This relatively low guiding precision, considered coarse guidance, can negatively impact the quality of the foamed product.

[0003] The guide structure for an automotive interior part molding die, disclosed in publication number "CN220517352U", includes a main body. A moving mechanism is located on the top of the main body, a placement mechanism is located on the outer surface of the moving mechanism, and a telescopic mechanism is located inside the placement mechanism. A support mechanism is located on the top of the main body. The main body includes several controllers, which are fixedly connected to one side of the main body and are evenly distributed. A switch is fixedly connected to the front of the main body. This guide structure for the automotive interior part molding die allows the main body to operate via the control switch, and the first telescopic rod can be moved upwards to a suitable position via the control controller. This prevents excessive time spent on alignment due to the inability to adjust the height during use, saving manpower and resources. The fixing device is slid into the corresponding position.

[0004] However, the above-mentioned device still has the following problems during implementation:

[0005] Considering that existing automotive interior parts molding dies often use guide pillars and guide sleeves as guiding structures, but the existing guiding method between guide pillars and guide sleeves is generally a sliding form, in order to avoid friction, the fitting accuracy needs to be controlled within a single-sided gap of about 0.07-0.08mm. The guiding accuracy is relatively low, which will affect the guiding effect. Utility Model Content

[0006] The purpose of this utility model is to provide a guide structure for molding dies of automotive interior parts, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A guide structure for an automotive interior part molding die includes an upper die and a lower die. The upper die is located on top of the lower die, and the top of the lower die is provided with two guide mechanisms that can guide the opening and closing of the upper die and the lower die.

[0009] The guiding mechanism includes a mounting block disposed on the top of the lower mold, a guide post fixedly connected to the top of the mounting block, a guide sleeve for cooperating with the guide post fixedly embedded on the top of the upper mold, two moving grooves opened inside the guide sleeve, a moving shell disposed inside the moving groove, two pulleys rotatably connected inside the moving shell, and two guide grooves for cooperating with the pulleys opened on the surface of the guide post.

[0010] Preferably, the guiding mechanism further includes a first bearing disposed on one side of the movable housing, the movable housing being rotatably connected to a threaded rod via the first bearing, one end of the threaded rod extending through to the outside of the guide sleeve and being fixedly connected to a turning block, and both sides of the guide sleeve being provided with threaded holes for use with the threaded rod.

[0011] By setting a guiding mechanism, the upper mold can be installed on the lower mold by aligning the guide sleeve and guide post. At the same time, the guide post enters the guide sleeve. Then, the two turning blocks are turned in sequence. The turning blocks drive the threaded rod to rotate in the threaded hole. The threaded rod will gradually move closer to the guide post. At the same time, it will drive the first bearing and the moving shell to move along the trajectory of the limiting block and the limiting groove. The moving shell will drive the pulley to move, so that the surface of the pulley is in close contact with the inner wall of the guide groove. The guiding method is changed from sliding to rolling. When the upper mold moves, the pulley in the guide sleeve will roll in contact with the guide groove, thereby improving the guiding accuracy.

[0012] Preferably, the bottom of the mounting block is fixedly connected to a disassembly mechanism, which facilitates the disassembly of the guide post;

[0013] The disassembly mechanism includes a housing fixedly connected to both sides of the mounting block. The housing has a dovetail groove at the top, and a dovetail block is set inside the dovetail groove. The bottom of the dovetail block is fixedly connected to the top of the lower mold. The housing has a movable block inside, a pull rod is fixedly connected to one side of the movable block, and a positioning rod is fixedly connected to the other side of the movable block. One end of the positioning rod passes through the interior of the dovetail groove, and a positioning hole is set on one side of the dovetail block to cooperate with the positioning rod.

[0014] By setting up a disassembly mechanism, the guide sleeve can be moved away from the surface of the guide post by moving the upper mold. Then, pulling two pulling blocks will move the pulling rod, the moving block, and the positioning rod, causing the positioning rod to leave the positioning hole. Then, the mounting block is moved upward, causing the dovetail block to leave the dovetail groove, thus completing the disassembly of the guide post. After cleaning the guide post, align the dovetail block with the dovetail groove, and push the guide post and mounting block downward, so that the dovetail block enters the dovetail groove. Then, release the pulling block, and the elastic force generated by the spring will push the moving block and the positioning rod to reset, so that the positioning rod enters the positioning hole, completing the installation of the guide post. The surface of the guide post becomes smooth after cleaning, thereby improving the accuracy of guidance.

[0015] Preferably, one end of the pull rod extends through to one side of the housing and is fixedly connected to a pull block.

[0016] By setting up a pull block, a gripping point can be provided for the user when they need to move the pull rod, so that the user can easily move the pull rod.

[0017] Preferably, a spring is fitted on the surface of the pull rod, one end of the spring is fixedly connected to one side of the moving block, and the other end of the spring is fixedly connected to the inner wall of the housing.

[0018] By incorporating a spring, when the pulling block is released, the spring force will cause the moving block and positioning rod to move, thus achieving a reset function.

[0019] Preferably, the top and bottom of the movable shell are fixedly connected to limit blocks, and the top of the limit block is provided with a limit groove for use with the limit block.

[0020] By setting limit blocks and limit grooves, when the threaded rod pushes the first bearing and the movable housing to move, its movement trajectory can be restricted, so that it can only slide along the trajectory of the limit blocks and limit grooves.

[0021] Preferably, a second bearing is provided on both sides of the pulley, and the pulley is rotatably connected to the inner wall of the movable housing through the second bearing.

[0022] By installing a second bearing, the smoothness of the pulley's sliding and its stability during the sliding process can be ensured.

[0023] Compared with the prior art, the beneficial effects of this utility model are:

[0024] 1. This utility model, by setting a guiding mechanism, enables the upper mold to be installed on the lower mold by aligning the guide sleeve and guide post. At the same time, the guide post enters the interior of the guide sleeve. Then, by turning two turning blocks in sequence, the turning blocks drive the threaded rod to rotate in the threaded hole. The threaded rod will gradually move towards the side closer to the guide post, while driving the first bearing and the moving shell to move along the trajectory of the limiting block and the limiting groove. The moving shell will drive the pulley to move, so that the surface of the pulley is in close contact with the inner wall of the guide groove, changing the guiding method from sliding to rolling. When the upper mold moves, the pulley in the guide sleeve will roll in contact with the guide groove, thereby improving the guiding accuracy.

[0025] 2. This utility model, by setting up a disassembly mechanism, allows the guide sleeve to be moved away from the surface of the guide post by moving the upper mold. Then, pulling two pulling blocks will cause the pulling rod, moving block, and positioning rod to move, causing the positioning rod to leave the positioning hole. Then, the mounting block is moved upward, causing the dovetail block to leave the dovetail groove, thus completing the disassembly of the guide post. After cleaning the guide post, align the dovetail block with the dovetail groove, and push the guide post and mounting block downward, so that the dovetail block enters the dovetail groove. Then, release the pulling block, and the elastic force generated by the spring will push the moving block and positioning rod to reset, so that the positioning rod enters the positioning hole, completing the installation of the guide post. The surface of the guide post becomes smooth after cleaning, thereby improving the accuracy of guidance. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0027] Figure 2 This is a schematic diagram showing a cross-section of the main structure of this utility model;

[0028] Figure 3 This utility model Figure 2 A magnified view of a section at point A in the middle;

[0029] Figure 4 This utility model Figure 2 A magnified view of a section at point B in the middle;

[0030] Figure 5 This is a perspective view of the guiding mechanism of this utility model;

[0031] Figure 6 This is an exploded view of a partial structure of the guiding mechanism of this utility model;

[0032] Figure 7 This is a perspective view of the disassembly mechanism of this utility model.

[0033] In the diagram: 1. Upper mold; 2. Lower mold; 3. Mounting block; 4. Guide post; 5. Guide sleeve; 6. Moving groove; 7. Moving shell; 8. Pulley; 9. Guide groove; 10. First bearing; 11. Threaded rod; 12. Tightening block; 13. Threaded hole; 14. Shell; 15. Dovetail groove; 16. Dovetail block; 17. Moving block; 18. Pulling rod; 19. Positioning rod; 20. Positioning hole; 21. Pulling block; 22. Spring; 23. Limiting block; 24. Limiting groove; 25. Second bearing. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] Please see Figures 1-7 This utility model provides a technical solution:

[0036] Example 1:

[0037] A guide structure for an automotive interior part molding die includes an upper die 1 and a lower die 2. The upper die 1 is located on top of the lower die 2, and the top of the lower die 2 is provided with two guide mechanisms that can guide the opening and closing of the upper die 1 and the lower die 2.

[0038] In one embodiment of this invention, the guiding mechanism includes a mounting block 3 disposed on the top of the lower mold 2, a guide post 4 fixedly connected to the top of the mounting block 3, a guide sleeve 5 fixedly embedded on the top of the upper mold 1 for use with the guide post 4, two movable grooves 6 are opened inside the guide sleeve 5, a movable shell 7 is disposed inside the movable groove 6, two pulleys 8 are rotatably connected inside the movable shell 7, and two guide grooves 9 for use with the pulleys 8 are opened on the surface of the guide post 4.

[0039] The guiding mechanism also includes a first bearing 10 disposed on one side of the movable housing 7. The movable housing 7 is rotatably connected to a threaded rod 11 through the first bearing 10. One end of the threaded rod 11 extends through to the outside of the guide sleeve 5 and is fixedly connected to a turning block 12. Threaded holes 13 that cooperate with the threaded rod 11 are provided on both sides of the guide sleeve 5.

[0040] In this embodiment, considering that the existing guiding method between the guide post 4 and the guide sleeve 5 is generally a sliding method, in order to avoid friction, the fitting accuracy needs to be controlled at about 0.07-0.08mm on one side. The guiding accuracy is relatively low, which will affect the guiding effect. Therefore, by setting a guiding mechanism, the upper mold 1 can be installed on the lower mold 2 by aligning the positions of the guide sleeve 5 and the guide post 4, and the guide post 4 can be inserted into the guide sleeve 5. Then, the two turning blocks 12 are turned in sequence. The turning blocks 12 drive the threaded rod 11 to rotate in the threaded hole 13. The threaded rod 11 will gradually move towards the side closer to the guide post 4, and at the same time drive the first bearing 10 and the moving shell 7 to move along the trajectory of the limiting block 23 and the limiting groove 24. The moving shell 7 will drive the pulley 8 to move, so that the surface of the pulley 8 is tightly attached to the inner wall of the guide groove 9, changing the guiding method from sliding to rolling. When the upper mold 1 moves, the pulley 8 in the guide sleeve 5 will roll against the guide groove 9, thereby improving the guiding accuracy.

[0041] This solves the problem that the existing guiding method between the guide post 4 and the guide sleeve 5 is generally a sliding method. In order to avoid friction, the fitting accuracy needs to be controlled at about 0.07-0.08mm on one side, which results in relatively low guiding accuracy and affects the guiding effect.

[0042] Preferably, the top and bottom of the movable shell 7 are fixedly connected to limit blocks 23, and the top of the limit block 23 is provided with a limit groove 24 that cooperates with the limit block 23.

[0043] In this embodiment, by setting a limiting block 23 and a limiting groove 24, when the threaded rod 11 pushes the first bearing 10 and the movable housing 7 to move, its movement trajectory is restricted, so that it can only slide along the trajectory of the limiting block 23 and the limiting groove 24.

[0044] Preferably, a second bearing 25 is provided on both sides of the pulley 8, and the pulley 8 is rotatably connected to the inner wall of the movable housing 7 through the second bearing 25.

[0045] In this embodiment, by setting a second bearing 25, the smoothness of the sliding of the pulley 8 can be ensured, while also ensuring stability during the sliding process.

[0046] Example 2:

[0047] Based on Embodiment 1, the guide mechanism in this embodiment can improve the accuracy of guidance by changing the guiding method from sliding to rolling. However, considering that the guide post 4 is prone to oil stains adhering to its surface after long-term use, which will also affect the accuracy of guidance, the bottom of the mounting block 3 in this application is fixedly connected to a disassembly mechanism, which can facilitate the disassembly of the guide post 4.

[0048] The disassembly mechanism includes a housing 14 fixedly connected to both sides of the mounting block 3. The housing 14 has a dovetail groove 15 at the top, and a dovetail block 16 inside the dovetail groove 15. The bottom of the dovetail block 16 is fixedly connected to the top of the lower mold 2. The housing 14 has a moving block 17 inside, a pulling rod 18 fixedly connected to one side of the moving block 17, and a positioning rod 19 fixedly connected to the other side of the moving block 17. One end of the positioning rod 19 passes through the interior of the dovetail groove 15, and a positioning hole 20 is provided on one side of the dovetail block 16 to cooperate with the positioning rod 19.

[0049] In this embodiment, considering that the guide post 4 is prone to oil stains after long-term use, which can affect the accuracy of guidance, a disassembly mechanism is set up. The upper mold 1 is moved to make the guide sleeve 5 leave the surface of the guide post 4. Then, the two pulling blocks 21 are pulled, which will drive the pulling rod 18, the moving block 17 and the positioning rod 19 to move, so that the positioning rod 19 leaves the inside of the positioning hole 20. Then, the mounting block 3 is moved upward, which will drive the dovetail block 16 to leave the inside of the dovetail groove 15, thus completing the disassembly of the guide post 4. After cleaning the guide post 4, the position of the dovetail block 16 and the dovetail groove 15 is aligned, and the guide post 4 and the mounting block 3 are pushed downward, so that the dovetail block 16 enters the dovetail groove 15. Then, the pulling block 21 is released, and the elastic force generated by the spring 22 will push the moving block 17 and the positioning rod 19 to reset, so that the positioning rod 19 enters the inside of the positioning hole 20, thus completing the installation of the guide post 4. After cleaning, the surface of the guide post 4 will become smooth, thereby improving the accuracy of guidance.

[0050] This solves the problem that oil stains easily adhere to the surface of the guide post 4 after long-term use, which can affect the accuracy of guidance.

[0051] Preferably, one end of the pull rod 18 extends through to one side of the housing 14 and is fixedly connected to the pull block 21.

[0052] In this embodiment, by setting a pull block 21, a gripping point can be provided for the user when the user needs to move the pull rod 18, so that the user can easily move the pull rod 18.

[0053] Preferably, a spring 22 is sleeved on the surface of the pull rod 18, one end of the spring 22 is fixedly connected to one side of the moving block 17, and the other end of the spring 22 is fixedly connected to the inner wall of the housing 14.

[0054] In this embodiment, by setting a spring 22, when the pulling block 21 is released, the elastic force generated by the spring 22 will drive the moving block 17 and the positioning rod 19 to move, thereby achieving the function of resetting.

[0055] Working principle: The user aligns the guide sleeve 5 and guide post 4, installs the upper mold 1 on the lower mold 2, and simultaneously inserts the guide post 4 into the guide sleeve 5. Then, the user turns the two turning blocks 12 in sequence. The turning blocks 12 drive the threaded rod 11 to rotate in the threaded hole 13. The threaded rod 11 will gradually move closer to the guide post 4, and at the same time drive the first bearing 10 and the moving shell 7 to move along the trajectory of the limiting block 23 and the limiting groove 24. The moving shell 7 will drive the pulley 8 to move, so that the surface of the pulley 8 is in close contact with the inner wall of the guide groove 9, changing the guiding method from sliding to rolling. When the upper mold 1 moves, the pulley 8 in the guide sleeve 5 will roll in contact with the guide groove 9, thereby improving the guiding accuracy.

[0056] Considering that the surface of the guide post 4 is prone to oil stains after long-term use, which can affect the accuracy of guidance, a disassembly mechanism is set up. By moving the upper mold 1, the guide sleeve 5 can be removed from the surface of the guide post 4. Then, by pulling the two pulling blocks 21, the pulling blocks 21 will drive the pulling rod 18, the moving block 17 and the positioning rod 19 to move, so that the positioning rod 19 leaves the inside of the positioning hole 20. Then, the mounting block 3 is moved upward, which drives the dovetail block 16 to leave the inside of the dovetail groove 15, thus completing the disassembly of the guide post 4. After cleaning the guide post 4, the position of the dovetail block 16 and the dovetail groove 15 is aligned, and the guide post 4 and the mounting block 3 are pushed downward, so that the dovetail block 16 enters the dovetail groove 15. Then, the pulling block 21 is released, and the elastic force generated by the spring 22 will push the moving block 17 and the positioning rod 19 to reset, so that the positioning rod 19 enters the inside of the positioning hole 20, thus completing the installation of the guide post 4. After cleaning, the surface of the guide post 4 will become smooth, thereby improving the accuracy of guidance.

[0057] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A guiding structure of a forming die for an automotive interior part, comprising an upper die (1) and a lower die (2), the upper die (1) being located on top of the lower die (2), characterized in that: The top of the lower mold (2) is provided with two guide mechanisms, which can guide the opening and closing of the upper mold (1) and the lower mold (2); The guide mechanism comprises a mounting block (3) provided on the top of the lower mold (2), the top of the mounting block (3) is fixedly connected with a guide column (4), the top of the upper mold (1) is fixedly embedded with a guide sleeve (5) used in cooperation with the guide column (4), two moving grooves (6) are formed in the guide sleeve (5), a moving shell (7) is arranged in the moving grooves (6), two pulleys (8) are rotatably connected in the moving shell (7), and guide grooves (9) used in cooperation with the pulleys (8) are formed in the surface of the guide column (4).

2. The guiding structure of a forming die for an automotive interior part according to claim 1, characterized in that: The guide mechanism further comprises a first bearing (10) arranged on one side of the moving shell (7), the moving shell (7) is rotatably connected with a threaded rod (11) through the first bearing (10), one end of the threaded rod (11) penetrates to the outside of the guide sleeve (5), and a twisting block (12) is fixedly connected, and screw holes (13) used in cooperation with the threaded rod (11) are formed on both sides of the guide sleeve (5).

3. The guiding structure of a forming die for an automotive interior part according to claim 2, characterized in that: The bottom of the mounting block (3) is fixedly connected with a dismounting mechanism, which can facilitate the dismounting of the guide column (4); The dismounting mechanism comprises a shell (14) fixedly connected on both sides of the mounting block (3), a dovetail groove (15) is formed in the top of the shell (14), a dovetail block (16) is arranged in the dovetail groove (15), the bottom of the dovetail block (16) is fixedly connected with the top of the lower mold (2), a moving block (17) is arranged in the shell (14), a pulling rod (18) is fixedly connected on one side of the moving block (17), a positioning rod (19) is fixedly connected on the other side of the moving block (17), one end of the positioning rod (19) penetrates to the inside of the dovetail groove (15), and a positioning hole (20) used in cooperation with the positioning rod (19) is formed on one side of the dovetail block (16).

4. The guiding structure of a forming die for an automotive interior part according to claim 3, characterized in that: One end of the pulling rod (18) penetrates to one side of the shell (14), and a pulling block (21) is fixedly connected.

5. The guiding structure of a forming die for an automotive interior part according to claim 3, characterized in that: A spring (22) is sleeved on the surface of the pulling rod (18), one end of the spring (22) is fixedly connected with one side of the moving block (17), and the other end of the spring (22) is fixedly connected with the inner wall of the shell (14).

6. The guiding structure of a forming die for an automotive interior part according to claim 2, characterized in that: The top and bottom of the moving shell (7) are fixedly connected with limit blocks (23), and the top of the limit block (23) is provided with a limit groove (24) used in cooperation with the limit block (23).

7. The guiding structure of a forming die for an automotive interior part according to claim 2, characterized in that: Second bearings (25) are arranged on both sides of the pulley (8), and the pulley (8) is rotatably connected with the inner wall of the moving shell (7) through the second bearing (25).

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