Headrest special-shaped horn cover assembling equipment

Abstract

The utility model discloses headrest special-shaped horn cover assembling equipment which comprises a bottom plate, a supporting frame is arranged on the bottom plate, a downward pressing mechanism and a connecting pressing rod are arranged on the supporting frame, the connecting pressing rod is vertically arranged and connected with the supporting frame in a sliding mode, and the downward pressing mechanism drives the connecting pressing rod to press downwards. A pressing head assembly is arranged at the lower end of the connecting pressing rod, the pressing head assembly comprises a pressing head assembly, and a pressing connection groove matched with the special-shaped horn cover is formed in the lower end of the pressing head assembly; a moulding bed is arranged below the pressure head assembly; the moulding bed is provided with a placing groove matched with the headrest; according to the utility model, the special-shaped horn cover can be conveniently and accurately mounted on the headrest, the assembly quality and the assembly stability are effectively improved, the operation of workers is convenient, the assembly efficiency is high, and the labor intensity is low.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile headrest assembly, in particular to a headrest special-shaped speaker cover assembly device. Background Art

[0002] With the continuous application of new technologies in the automotive field, more and more high-tech products are being used in cars, and people's aesthetics and requirements for car interiors are getting higher and higher. In order to meet the personalized needs of consumers, some auto parts manufacturers have designed a variety of audio headrests.

[0003] The assembly of the special-shaped speaker cover of the audio headrest is the difficulty of the entire audio headrest assembly. The special-shaped speaker cover is prone to scratches, dents and other problems during the assembly process, and cannot be reworked, resulting in product scrapping and increased manufacturing costs. The existing assembly method of the special-shaped speaker cover is to manually align the special-shaped speaker cover and the headrest, and then press the special-shaped speaker cover into the headrest little by little along the edge of the special-shaped speaker cover. Not only is the labor intensity high, the assembly efficiency is low, and the assembly quality is unstable. With the improvement of product quality and production process requirements, the increase in labor costs and the improvement of labor requirements for the working environment, the existing manual assembly method is no longer suitable for factory needs and needs to be improved. Utility Model Content

[0004] The utility model aims to provide a headrest special-shaped speaker cover assembly device, aiming to improve the existing manual assembly method of special-shaped speaker covers, which has the problems of high labor intensity, high labor cost and unstable assembly quality.

[0005] The utility model is implemented as follows: a headrest special-shaped speaker cover assembly device comprises a base plate, a support frame is arranged on the base plate, a pressing mechanism and a connecting pressure rod are arranged on the support frame, the connecting pressure rod is vertically arranged and slidably connected with the support frame, and the pressing mechanism drives the connecting pressure rod to press down; a pressure head assembly is arranged at the lower end of the connecting pressure rod, the pressure head assembly comprises a pressure head assembly, and a crimping groove matched with the special-shaped speaker cover is arranged at the lower end of the pressure head assembly; a tire mold is arranged below the pressure head assembly, and the tire mold has a placement groove matched with the headrest.

[0006] Furthermore, the support frame includes a mounting seat, a support column and a crossbeam. There are two mounting seats, one on the left and one on the right, and there are two support columns, which are vertically installed in the two mounting seats respectively. The crossbeam is horizontally installed at the upper ends of the two support columns.

[0007] Furthermore, the pressing mechanism is an eccentric wheel worm mechanism, comprising two shaft supports, two eccentric wheels and a press-fitting shaft, the two shaft supports are arranged on the support frame, one on the left and one on the right, a first bearing is arranged at the upper end of the shaft support, the press-fitting shaft is horizontally installed in the first bearing arranged at the upper end of the two shaft supports, the two eccentric wheels are installed on the press-fitting shaft and rotate synchronously with the press-fitting shaft, and a drive rod is installed on the press-fitting shaft between the two eccentric wheels.

[0008] Furthermore, the eccentric wheel is sleeved with a second bearing, and two connecting pressure rods are provided and respectively located directly below the two second bearings, and the two second bearings are respectively connected to the two connecting pressure rods.

[0009] Furthermore, the connecting pressure rod includes a pressure rod portion and a top seat portion, the support frame is provided with a guide slide hole adapted to the pressure rod portion of the connecting pressure rod, the pressure rod portion of the connecting pressure rod passes through the guide slide hole, and the pressure head assembly is connected to the lower end of the pressure rod portion; a return spring is sleeved on the pressure rod portion of the connecting pressure rod, and the return spring is located between the top seat portion and the support frame.

[0010] Furthermore, the pressure head assembly also includes a pressure plate, which is connected to the lower end of the connecting pressure rod. The pressure head assembly includes an intermediate pressure head, an upper left pressure head, a lower left pressure head, an upper right pressure head and a lower right pressure head. The lower end of each pressure head is provided with a crimping groove that matches the special-shaped horn cover; the upper end of each pressure head is provided with a guide column, and a plurality of guide sleeves are provided on the pressure plate, and each guide sleeve is correspondingly sleeved on each guide column, the upper end of the guide column is located above the guide sleeve, and a detachable limiting element is installed on the upper end of the guide column, so that the upper end of the guide column will not fall out of the guide sleeve; a buffer spring is sleeved on the guide sleeve, and the buffer spring is located between the pressure head and the pressure plate.

[0011] Furthermore, a linear guide rail is arranged on the bottom plate, the length direction of the linear guide rail is along the front-rear direction, a guide rail seat is slidably connected to the linear guide rail, a tire mold mounting bottom plate is installed on the guide rail seat, and the tire mold is installed on the tire mold mounting bottom plate.

[0012] Furthermore, a left supporting mold and a right supporting mold are arranged on the tire mold mounting bottom plate, and the upper ends of the left supporting mold and the right supporting mold are both provided with supporting grooves adapted to the headrest rod of the headrest.

[0013] Furthermore, a limit block is respectively provided at the front end and the rear end of the upper end surface of the bottom plate, and a threaded through hole is provided on the limit block. The axial direction of the threaded through hole is along the front-to-back direction, and a position adjustment bolt is installed in the threaded through hole.

[0014] Furthermore, a positioning block is provided on the base plate, and a positioning hole is provided on the positioning block; a positioning guide hole is provided on the tire mold mounting base plate, and a positioner is provided in the positioning guide hole, and the positioner has a positioning guide rod portion adapted to the positioning guide hole, and a positioning column adapted to the positioning hole is provided at the lower end of the positioning guide rod portion, and the positioner passes through the positioning guide hole, and when its positioning column is inserted into the positioning hole of the positioning block, the tire mold is located directly below the pressure head assembly.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model can conveniently and accurately install the special-shaped speaker cover on the headrest, effectively improving the assembly quality and assembly stability, and is convenient for employees to operate, with high assembly efficiency and low labor intensity.

[0017] 2. The pressure head assembly of the utility model has five pressure heads that are not connected to each other. The lower end of each pressure head is provided with a crimping groove that is compatible with the rounded corner position of the outer end of the special-shaped speaker cover. Each pressure head is also pressure-buffered by a buffer spring. When the special-shaped speaker cover is pressed and installed, scratches, dents and other problems are not easy to occur, which effectively ensures the installation quality and installation success rate.

[0018] 3. The utility model applies pressure through an eccentric wheel and worm mechanism, which is not only convenient for employees to apply force, but also can avoid deformation caused by concentrated stress in the center of the product during the assembly of special-shaped speaker covers. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a three-dimensional diagram of the tire mold of the utility model;

[0021] Figure 3 It is a three-dimensional diagram of the pressure head assembly of the utility model;

[0022] Figure 4 It is a three-dimensional diagram of the upper end of the pressure head assembly of the utility model;

[0023] Figure 5 It is a three-dimensional diagram of the lower end of the pressure head assembly of the utility model;

[0024] Figure 6 It is a three-dimensional diagram of the connection between the positioner and the positioning block of the utility model.

[0025] In the figure: 1. base plate; 2. connecting pressure rod; 3. tire mold; 4. pressure head assembly; 400. crimping groove; 401. middle pressure head; 402. upper left pressure head; 403. lower left pressure head; 404. upper right pressure head; 405. lower right pressure head; 5. mounting seat; 6. support column; 7. crossbeam; 8. shaft support; 9. eccentric wheel; 10. press-fit shaft; 11. second bearing; 12. return spring; 13. pressure plate; 14. guide column; 15. guide sleeve; 16. buffer spring; 17. linear guide; 18. positioning block; 19. tire mold mounting base plate; 20. positioner; 21. driving rod; 22. left support mold; 23. right support mold; 24. limit block; 25. position adjustment bolt. DETAILED DESCRIPTION

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0028] like Figure 1 As shown, a headrest special-shaped speaker cover assembly device includes a base plate 1, on which two mutually parallel linear guide rails 17 are arranged on the left and right, and the length direction of the linear guide rail 17 is along the front-back direction. A guide rail seat is slidably connected to the linear guide rail 17, and a tire mold mounting base plate 19 is installed on the guide rail seat. A tire mold 3 is installed on the tire mold mounting base plate 19 through bolts, and the tire mold 3 has a placement groove that is compatible with the headrest. Compatibility means that both the size and shape are compatible. A left support mold 22 and a right support mold 23 are also installed on the tire mold mounting base plate 19. The upper ends of the left support mold 22 and the right support mold 23 are both provided with supporting grooves that are compatible with the headrest rod of the headrest, and are used to support the headrest rod of the headrest. A limit block 24 is respectively provided at the front end and the rear end of the upper end surface of the base plate 1, and the limit block 24 can prevent the tire mold mounting base plate 19 from slipping out of the linear guide rail 17. The limiting block 24 is provided with a threaded through hole, the axial direction of the threaded through hole is along the front-rear direction, and a position adjustment bolt 25 is installed in the threaded through hole for limiting and adjusting the pulling position of the tire mold mounting base plate 19.

[0029] like Figure 1As shown, a support frame is provided on the base plate 1, and the support frame includes a mounting seat 5, a support column 6 and a cross beam 7. Two mounting seats 5 are provided, and one is provided on the base plate 1 on the left and the other on the right, and are respectively located on both sides of the two linear guide rails 17. Two support columns 6 are also provided, and are respectively vertically installed in the two mounting seats 5, and the cross beam 7 is horizontally installed on the upper ends of the two support columns 6 by bolts.

[0030] like Figure 1 As shown, a downward pressing mechanism and a connecting pressure rod 2 are arranged on the cross beam 7 of the support frame. The downward pressing mechanism is an eccentric wheel worm mechanism, including two shaft pillars 8, two eccentric wheels 9 and a press shaft 10. The two shaft pillars 8 are arranged on the cross beam 7, one on the left and one on the right. The upper end of the shaft pillar 8 is provided with a first bearing. The press shaft 10 is horizontally installed in the first bearing arranged on the upper end of the two shaft pillars 8. The two eccentric wheels 9 are both installed on the press shaft 10 and connected to the press shaft 10 through a keyway and a key, so that the two rotate synchronously. A driving rod 21 is installed on the press shaft 10 between the two eccentric wheels 9, which drives the press shaft 10 and the eccentric wheel 9 to rotate under the action of manpower. The eccentric wheel 9 is provided with a second bearing 11. Two connecting pressure rods 2 are provided, and they are respectively located directly below the two second bearings 11. The connecting pressure rod 2 includes a pressure rod portion and a top seat portion. The upper end of the top seat portion of the connecting pressure rod 2 is provided with a groove for accommodating the second bearing 11. The cross beam 7 is provided with a guide slide hole adapted to the rod portion of the connecting rod 2, the rod portion of the connecting rod 2 passes through the guide slide hole, and the lower end of the rod portion is connected to the pressure head assembly. The rod portion of the connecting rod 2 is sleeved with a return spring 12, and the return spring 12 is located between the top seat and the support frame.

[0031] like Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, the pressure head assembly includes a pressure head assembly 4 and a pressure plate 13, and the pressure plate 13 is connected to the lower end of the connecting pressure rod 2. The pressure head assembly 4 includes a middle pressure head 401, an upper left pressure head 402, a lower left pressure head 403, an upper right pressure head 404 and a lower right pressure head 405, and there is a certain gap between each adjacent pressure head. The lower end of each pressure head is provided with a crimping groove 400 adapted to the special-shaped horn cover, and adaptation means that the size and shape are adapted. The upper end of each pressure head is provided with two guide columns 14, and the two guide columns 14 are respectively arranged near the two ends of the pressure head. The pressing plate 13 is provided with a plurality of guide sleeves 15, each guide sleeve 15 is sleeved on each guide column 14 in a one-to-one correspondence, the upper end of the guide column 14 is located above the guide sleeve 15, and a detachable limiting element is installed on the upper end of the guide column 14, so that the upper end of the guide column 14 will not fall out of the guide sleeve 15 downward, and the limiting element has a variety of structural forms, such as a sleeve clamped on the upper end of the guide column 14, a screw threadedly installed on the side wall of the upper end of the guide column 14, etc. A buffer spring 16 is sleeved on the guide sleeve 15, and the buffer spring 16 is located between the pressure head and the pressing plate 13.

[0032] like Figure 1 and Figure 6 As shown, a positioning block 18 is also provided on the bottom plate 1, and a positioning hole is provided on the positioning block 18. A positioning guide hole is provided on the tire mold mounting bottom plate 19, and a positioner 20 is provided in the positioning guide hole. The positioner 20 has a positioning guide rod portion adapted to the positioning guide hole, and a positioning column adapted to the positioning hole is provided at the lower end of the positioning guide rod portion. The positioner 20 passes through the positioning guide hole, and when its positioning column is inserted into the positioning hole of the positioning block 18, the tire mold 3 is located directly below the pressure head assembly.

[0033] The working principle of the utility model is as follows: the headrest and the special-shaped horn cover are pre-positioned and placed in the placement groove of the tire mold 3, and the tire mold 3 is pushed to the position where the positioning column at the lower end of the positioner 20 can be inserted into the positioning hole of the positioning block 18. At this time, the tire mold 3 and the headrest and the special-shaped horn cover placed in the tire mold 3 are located directly below the pressure head assembly, so that the pressure head assembly 4 and the special-shaped horn cover are accurately aligned. Pull the drive rod 21 to drive the press shaft 10 and the eccentric wheel 9 to rotate, drive the second bearing 11 to press down the connecting pressure rod 2, and then drive the pressure head assembly to press down, and the pressure head assembly 4 presses the special-shaped horn cover onto the headrest. The eccentric wheel 9 and the inner ring of the second bearing 11 rotate with each other, and the eccentric wheel 9 does not directly contact the connecting pressure rod 2, so it will not cause wear to the eccentric wheel 9. The pressure head assembly 4 has five pressure heads that are not connected to each other. The lower end of each pressure head is provided with a crimping groove 400 that matches the rounded corner position of the outer end of the special-shaped speaker cover. Each pressure head is also pressure-buffered by a buffer spring 16. When the special-shaped speaker cover is pressed, scratches, dents and other problems are not easy to occur, which effectively ensures the installation quality and installation success rate. After the installation is completed, the pressure head assembly and the connecting pressure rod 2 are reset under the action of the return spring 12. Pull out the positioner 20, pull out the tire mold 3, and then take out the headrest with the special-shaped speaker cover installed.

[0034] In summary, the utility model can conveniently and accurately install the special-shaped speaker cover on the headrest, effectively improving the assembly quality and assembly stability, and is convenient for employees to operate, with high assembly efficiency and low labor intensity. The utility model applies pressure through an eccentric wheel worm mechanism, which is not only convenient for employees to apply force, but also can avoid deformation caused by concentrated stress in the center of the product during the assembly of the special-shaped speaker cover.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A headrest special-shaped speaker cover assembly device, comprising a base plate (1), characterized in that: The bottom plate (1) is provided with a support frame, the support frame is provided with a pressing mechanism and a connecting pressure rod (2), the connecting pressure rod (2) is vertically arranged and slidably connected to the support frame, and the pressing mechanism drives the connecting pressure rod (2) to press downward; a pressure head assembly is provided at the lower end of the connecting pressure rod (2), the pressure head assembly comprises a pressure head component (4), and a pressing groove (400) adapted to the special-shaped speaker cover is provided at the lower end of the pressure head component (4); a tire mold (3) is provided below the pressure head assembly, and the tire mold (3) has a placement groove adapted to the headrest.

2. The headrest special-shaped speaker cover assembly equipment according to claim 1, characterized in that: The support frame comprises a mounting seat (5), a supporting column (6) and a crossbeam (7); two mounting seats (5) are provided, one on the left and one on the right, on the bottom plate (1); two supporting columns (6) are also provided, and are respectively vertically installed in the two mounting seats (5); and the crossbeam (7) is horizontally installed at the upper ends of the two supporting columns (6).

3. The headrest special-shaped speaker cover assembly equipment according to claim 1, characterized in that: The pressing mechanism is an eccentric wheel worm mechanism, comprising two shaft supports (8), two eccentric wheels (9) and a press-fitting shaft (10), wherein the two shaft supports (8) are arranged on a support frame, one on the left and one on the right, and a first bearing is arranged at the upper end of the shaft support (8). The press-fitting shaft (10) is horizontally mounted in the first bearings arranged at the upper ends of the two shaft supports (8), and the two eccentric wheels (9) are both mounted on the press-fitting shaft (10) and rotate synchronously with the press-fitting shaft (10). A driving rod (21) is installed on the press-fitting shaft (10) between the two eccentric wheels (9).

4. The headrest special-shaped speaker cover assembly equipment according to claim 3, characterized in that: The eccentric wheel (9) is sleeved with a second bearing (11), and two connecting pressure rods (2) are provided and are respectively located directly below the two second bearings (11), and the two second bearings (11) are respectively connected to the two connecting pressure rods (2).

5. The headrest special-shaped speaker cover assembly equipment according to claim 1, characterized in that: The connecting pressure rod (2) comprises a pressure rod portion and a top seat portion, the support frame is provided with a guide slide hole matched with the pressure rod portion of the connecting pressure rod (2), the pressure rod portion of the connecting pressure rod (2) passes through the guide slide hole, and the pressure head assembly is connected to the lower end of the pressure rod portion; the pressure rod portion of the connecting pressure rod (2) is sleeved with a return spring (12), and the return spring (12) is located between the top seat portion and the support frame.

6. The headrest special-shaped speaker cover assembly equipment according to claim 1, characterized in that: The pressure head assembly also includes a pressure plate (13), the pressure plate (13) is connected to the lower end of the connecting pressure rod (2), the pressure head assembly (4) includes a middle pressure head (401), an upper left pressure head (402), a lower left pressure head (403), an upper right pressure head (404) and a lower right pressure head (405), the lower end of each pressure head is provided with a pressure connection groove (400) adapted to the special-shaped horn cover; the upper end of each pressure head is provided with a guide column (14), and the pressure plate (13) is provided with a plurality of The guide sleeves (15) are sleeved on the guide posts (14) in a one-to-one correspondence, the upper ends of the guide posts (14) are located above the guide sleeves (15), and the upper ends of the guide posts (14) are provided with detachable limiting elements so that the upper ends of the guide posts (14) will not fall out of the guide sleeves (15); the guide sleeves (15) are sleeved with buffer springs (16), and the buffer springs (16) are located between the pressure head and the pressure plate (13).

7. The headrest special-shaped speaker cover assembly equipment according to claim 1, characterized in that: A linear guide rail (17) is provided on the base plate (1), the length direction of the linear guide rail (17) is along the front-rear direction, a guide rail seat is slidably connected to the linear guide rail (17), a tire mold mounting base plate (19) is mounted on the guide rail seat, and the tire mold (3) is mounted on the tire mold mounting base plate (19).

8. The headrest special-shaped speaker cover assembly equipment according to claim 7, characterized in that: A left supporting mold (22) and a right supporting mold (23) are arranged on the tire mold mounting base plate (19), and upper ends of the left supporting mold (22) and the right supporting mold (23) are both provided with supporting grooves adapted to the headrest rod of the headrest.

9. The headrest special-shaped speaker cover assembly equipment according to claim 7, characterized in that: A limit block (24) is provided at the front end and the rear end of the upper end surface of the bottom plate (1), and a threaded through hole is provided on the limit block (24). The axial direction of the threaded through hole is along the front-back direction, and a position adjustment bolt (25) is installed in the threaded through hole.

10. The headrest special-shaped speaker cover assembly equipment according to claim 7, characterized in that: The base plate (1) is also provided with a positioning block (18), and the positioning block (18) is provided with a positioning hole; the tire mold mounting base plate (19) is provided with a positioning guide hole, and a positioner (20) is provided in the positioning guide hole, and the positioner (20) has a positioning guide rod portion adapted to the positioning guide hole, and a positioning column adapted to the positioning hole is provided at the lower end of the positioning guide rod portion, and the positioner (20) passes through the positioning guide hole, and when the positioning column is inserted into the positioning hole of the positioning block (18), the tire mold (3) is located directly below the pressure head assembly.

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