Locking device
By designing a locking device including a base, rotating seat, handle, transmission rod, connecting plate group, adjustment bolt, sleeve and locking nut, the problem of mold damage caused by manual operation of polyurethane foam mold in the molding process is solved, and the problem of difficult to ensure the position accuracy of the mold due to manual operation of the polyurethane foam mold is achieved, and the effect of reducing equipment costs and avoiding product scrapping is achieved.
Patent Information
- Application Number
- CN202421334337.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-12
AI Technical Summary
In the molding process of existing polyurethane foam molds, manual operation can easily lead to mold damage and high maintenance frequency, and automated lines are difficult to ensure the movement accuracy of the mold position, resulting in product scrapping.
A locking device is designed, including a base, rotating seat, handle, transmission rod, connecting plate group, adjustment bolt, sleeve and locking nut. Through the synergy of these components, the close connection between the mold cover and the locking device is achieved, avoiding the problem of inaccurate mold position caused by manual operation and line movement.
Through the tight connection between the mold cover and the locking device, the equipment investment and maintenance costs are reduced, and the product scrapping caused by the bias of the mold cover caused by the linear movement is avoided.
Smart Images
Figure CN222755908U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polyurethane foaming, in particular to a locking device. Background Art
[0002] Polyurethane foam products are widely used in the automotive industry. Due to the different structural requirements of the mold for the product molding process, higher requirements are placed on the foaming equipment, fixtures and molds. Conventional polyurethane foam molds can be operated manually, but mold damage increases and the maintenance frequency is high; automated lines can also be used, but since the tooling mold is driven by a chain drive, it is difficult to ensure the movement accuracy of the mold position. Utility Model Content
[0003] In view of this, in order to solve the above problems, the purpose of the present utility model is to provide a locking device, comprising:
[0004] The cam is secured to the upper and lower ends of the base and is secured to the lower portion of the base with the lower end being secured to the cam face.
[0005] In another preferred embodiment, a first groove is provided on the upper surface of the base, the first groove runs through both sides of the base, one end of the transmission rod is rotatably connected to the inner walls of both sides of the first groove, and a second groove is provided on the lower surface of the rotating seat, the second groove runs through both sides of the rotating seat, and the upper end of the base and the connecting plate group are both arranged in the second groove.
[0006] In another preferred embodiment, the connecting plate group includes: two connecting plate bodies, the two connecting plate bodies are arranged parallel to each other, the upper ends of the two connecting plate bodies are rotatably connected to the inner walls on both sides of the second groove, and the lower ends of the two connecting plate bodies are rotatably connected to the outer walls on both sides of the transmission rod.
[0007] In another preferred embodiment, the inner wall of the upper end of the second groove extends downward in the vertical direction to form an extension plate, wherein one of the connecting plate bodies is arranged on one side of the extension plate, and the other connecting plate body is arranged on the other side of the extension plate, and both of the connecting plate bodies are rotatably connected to the extension plate.
[0008] In another preferred embodiment, it also includes: a first pin shaft, a second pin shaft, a third pin shaft and a fourth pin shaft, the upper end of the base is provided with a first mounting hole and a second mounting hole, the lower end of the rotating seat is provided with a third mounting hole, the first pin shaft is installed in the first mounting hole and the third mounting hole, the transmission rod is provided with a fourth mounting hole and a fifth mounting hole, the second pin shaft is installed in the second mounting hole and the fourth mounting hole, the upper end of the rotating seat is provided with a sixth mounting hole, the extension plate is provided with a seventh mounting hole, the upper end of each of the connecting plate bodies is provided with an eighth mounting hole, the lower end of each of the connecting plate bodies is provided with a ninth mounting hole, the third pin shaft is installed in the fifth mounting hole and the ninth mounting hole, and the fourth pin shaft is installed in the sixth mounting hole, the seventh mounting hole and the eighth mounting hole.
[0009] In another preferred embodiment, the transmission rod is arranged in a "∧" shape as a whole.
[0010] In another preferred embodiment, the rotating seat is arranged in a "П" shape as a whole.
[0011] In another preferred embodiment, the handle is cylindrical.
[0012] In another preferred embodiment, the cross section of the base along the vertical direction is arranged in a "convex" shape, a plurality of fixing holes are opened at the lower end of the base, and the axes of the plurality of fixing holes are arranged along the vertical direction.
[0013] Due to the adoption of the above technical solution, the utility model has the following positive effects compared with the prior art: through the application of the utility model, a locking device is provided, and the mold cover is connected with the locking device, and there is no need to adopt other structures or equipment to grasp and take the mold cover, thereby reducing the equipment investment and maintenance costs; and because the mold cover and the locking device are connected together, the phenomenon of product scrapping caused by the deviation of the mold cover due to the movement of the wire body is avoided. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is an exploded schematic diagram of a locking device of the utility model;
[0015] Figure 2 It is a three-dimensional schematic diagram of a locking device of the utility model.
[0016] In the accompanying drawings: 1. base; 2. rotating seat; 3. handle; 4. transmission rod; 5. adjusting bolt; 6. sleeve; 7. locking nut; 8. first groove; 9. second groove; 10. connecting plate body; 11. extension plate; 12. first pin shaft; 13. second pin shaft; 14. third pin shaft; 15. fourth pin shaft; 16. first mounting hole; 17. second mounting hole; 18. third mounting hole; 19. fourth mounting hole; 20. fifth mounting hole; 21. sixth mounting hole; 22. seventh mounting hole; 23. eighth mounting hole; 24. ninth mounting hole; 25. fixing hole. DETAILED DESCRIPTION
[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.
[0018] like Figure 1 and Figure 2 As shown, a locking device of a preferred embodiment is shown, comprising:
[0019] Base 1, rotating seat 2, handle 3, transmission rod 4, connecting plate group, adjusting bolt 5, sleeve 6 and two locking nuts 7. The lower end of the rotating seat 2 is rotatably mounted on the upper end of the base 1, the lower end of the handle 3 is mounted on the upper end of the rotating seat 2, the upper end of the connecting plate group is rotatably mounted on the upper part of the rotating seat 2, one end of the transmission rod 4 is rotatably mounted on one side of the base 1, the lower end of the connecting plate group is rotatably mounted on the transmission rod 4, the lower end of the connecting plate group is arranged close to one end of the transmission rod 4, the outer wall of the sleeve 6 is mounted on the other end of the transmission rod 4, the sleeve 6 has an installation channel, the installation channel runs through the upper and lower ends of the sleeve 6, the adjusting bolt 5 is installed in the installation channel, the two locking nuts 7 are installed on the outer walls of the two ends of the adjusting bolt 5, and the two locking nuts 7 are clamped against the two ends of the sleeve 6.
[0020] During actual use, the mold cover is connected to the lower end of the adjusting bolt 5, the base 1 and the mold cavity are installed on the trolley of the production line, and the mold cover is arranged on the mold cavity. When the mold cover needs to be opened, the handle 3 is used to drive the rotating seat 2 to rotate on the base 1, and the rotating seat 2 then drives the transmission rod 4 to rotate through the connecting plate group. The sleeve 6 is installed on the transmission rod 4, and then drives the adjusting bolt 5 to rotate, so that the mold cover is separated from the mold cavity, thereby opening the mold cavity. When the mold cover and the mold cavity deviate and affect the sealing of the mold cover to the mold cavity, the two locking nuts 7 are turned to adjust the position of the adjusting bolt 5 in the sleeve 6. When it is adjusted to the required position, the two locking nuts 7 are tightened.
[0021] Further, as a preferred embodiment, the upper surface of the base 1 is provided with a first groove 8, the first groove 8 runs through both sides of the base 1, one end of the transmission rod 4 is rotatably connected to the inner walls of both sides of the first groove 8, the lower surface of the rotating seat 2 is provided with a second groove 9, the second groove 9 runs through both sides of the rotating seat 2, and the upper end of the base 1 and the connecting plate group are both arranged in the second groove 9. Further, the second groove 9 is provided on the lower surface of the rotating seat 2, and the upper end of the base 1 and the connecting plate group are placed in the second groove 9, and the transmission rod 4 is placed in the first groove 8 of the base 1, thereby reducing the overall volume.
[0022] Further, as a preferred embodiment, the connecting plate group includes: two connecting plate bodies 10, the two connecting plate bodies 10 are arranged parallel to each other, the upper ends of the two connecting plate bodies 10 are rotatably connected to the inner walls of both sides of the second groove 9, and the lower ends of the two connecting plate bodies 10 are rotatably connected to the outer walls of both sides of the transmission rod 4. Further, the transmission rod 4 and the rotating seat 2 are connected by the two connecting plate bodies 10, which ensures the stability of the transmission rod 4 when rotating.
[0023] Further, as a preferred embodiment, the inner wall of the upper end of the second groove 9 extends downward in the vertical direction to form an extension plate 11, wherein one connecting plate body 10 is arranged on one side of the extension plate 11, and the other connecting plate body 10 is arranged on the other side of the extension plate 11, and the two connecting plate bodies 10 are rotatably connected to the extension plate 11. Further, the two connecting plate bodies 10 and the rotating seat 2 are connected by the extension plate 11, which ensures the stability of the connection between the connecting plate bodies 10 and the rotating seat 2, thereby ensuring the stability of the transmission rod 4 when rotating.
[0024] Further, as a preferred embodiment, it also includes: a first pin 12, a second pin 13, a third pin 14 and a fourth pin 15, a first mounting hole 16 and a second mounting hole 17 are opened at the upper end of the base 1, a third mounting hole 18 is opened at the lower end of the rotating seat 2, the first pin 12 is installed in the first mounting hole 16 and the third mounting hole 18, the transmission rod 4 is provided with a fourth mounting hole 19 and a fifth mounting hole 20, the second pin 13 is installed in the second mounting hole 17 and the fourth mounting hole 19, a sixth mounting hole 21 is opened at the upper end of the rotating seat 2, the extension plate 11 is provided with a seventh mounting hole 22, an eighth mounting hole 23 is opened at the upper end of each connecting plate body 10, a ninth mounting hole 24 is opened at the lower end of each connecting plate body 10, the third pin 14 is installed in the fifth mounting hole 20 and the ninth mounting hole 24, and the fourth pin 15 is installed in the sixth mounting hole 21, the seventh mounting hole 22 and the eighth mounting hole 23.
[0025] Further, as a preferred embodiment, the transmission rod 4 is arranged in a "∧" shape as a whole. Further, the transmission rod 4 is arranged in a "∧" shape, so that when the transmission rod 4 rotates a small angle, the adjusting bolt 5 can be driven to rotate a large angle, thereby facilitating the opening of the mold cover.
[0026] Further, as a preferred embodiment, the rotating seat 2 is arranged in a "П" shape as a whole. Further, the rotating seat 2 is arranged in a "П" shape, so that when the rotating seat 2 rotates a small angle, it can drive the transmission rod 4 to rotate a large angle, and finally drive the adjusting bolt 5 to rotate a large angle, thereby facilitating the opening of the mold cover.
[0027] Further, as a preferred embodiment, the handle 3 is arranged in a columnar shape. Further, the handle 3 is arranged in a columnar shape, which improves the comfort of holding.
[0028] Furthermore, as a preferred embodiment, the cross section of the base 1 along the vertical direction is arranged in a "convex" shape, and a plurality of fixing holes 25 are opened at the lower end of the base 1, and the axes of the plurality of fixing holes 25 are arranged along the vertical direction.
[0029] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.
Claims
1. A locking device, characterized in that: include: The cam is secured to the upper and lower ends of the base and is secured to the lower portion of the base with the lower end being secured to the cam face.
2. The locking device according to claim 1, characterized in that: A first groove is provided on the upper surface of the base, and the first groove runs through both sides of the base. One end of the transmission rod is rotatably connected to the inner walls of both sides of the first groove. A second groove is provided on the lower surface of the rotating seat, and the second groove runs through both sides of the rotating seat. The upper end of the base and the connecting plate group are both arranged in the second groove.
3. The locking device according to claim 2, characterized in that: The connecting plate group includes: two connecting plate bodies, the two connecting plate bodies are arranged parallel to each other, the upper ends of the two connecting plate bodies are rotatably connected to the inner walls of both sides of the second groove, and the lower ends of the two connecting plate bodies are rotatably connected to the outer walls of both sides of the transmission rod.
4. The locking device according to claim 3, characterized in that: The inner wall of the upper end of the second groove extends downward in the vertical direction to form an extension plate, wherein one connecting plate body is arranged on one side of the extension plate, and the other connecting plate body is arranged on the other side of the extension plate, and both connecting plate bodies are rotatably connected to the extension plate.
5. The locking device according to claim 4, characterized in that: Also includes: A first pin, a second pin, a third pin and a fourth pin, the upper end of the base is provided with a first mounting hole and a second mounting hole, the lower end of the rotating seat is provided with a third mounting hole, the first pin is installed in the first mounting hole and the third mounting hole, the transmission rod is provided with a fourth mounting hole and a fifth mounting hole, the second pin is installed in the second mounting hole and the fourth mounting hole, the upper end of the rotating seat is provided with a sixth mounting hole, the extension plate is provided with a seventh mounting hole, the upper end of each of the connecting plate bodies is provided with an eighth mounting hole, the lower end of each of the connecting plate bodies is provided with a ninth mounting hole, the third pin is installed in the fifth mounting hole and the ninth mounting hole, the fourth pin is installed in the sixth mounting hole, the seventh mounting hole and the eighth mounting hole.
6. The locking device according to claim 1, characterized in that: The transmission rod is arranged in a "∧" shape as a whole.
7. The locking device according to claim 1, characterized in that: The rotating seat is arranged in a "П" shape as a whole.
8. The locking device according to claim 1, characterized in that: The handle is arranged in a column shape.
9. The locking device according to claim 1, characterized in that: The cross section of the base along the vertical direction is arranged in a "convex" shape, and a plurality of fixing holes are opened at the lower end of the base, and the axes of the plurality of fixing holes are arranged along the vertical direction.