Headrest assembly pin assembling equipment

Abstract

The utility model discloses a headrest assembly pin assembling device which comprises a rack, a tool frame is arranged on the rack, a pressing air cylinder is arranged on the tool frame, a piston rod of the pressing air cylinder is connected with a pin pressing-in mechanism, the pin pressing-in mechanism is located below the pressing air cylinder, and the pin pressing-in mechanism is located below the pressing air cylinder. The pin pressing-in mechanism is connected with the tool frame in a sliding mode. A profiling supporting structure is arranged on the portion, below the pin pressing-in mechanism, of the rack and provided with a profiling groove matched with the headrest assembly. A fixing air cylinder is further arranged on the machine frame and used for fixing the headrest assembly placed in the profiling groove of the profiling supporting structure. According to the pin mounting device, a worker does not need to manually mount a pin, the labor intensity of the worker is reduced, the labor cost is reduced, the pin can be accurately mounted, and the assembly quality is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile headrest assembly, in particular to a headrest component pin assembly device. Background Art

[0002] The automobile headrest has a headrest rod for connecting to the automobile seat, and the headrest rod is connected to the automobile headrest body through a pin, such as Figure 1 As shown, the positions in the two circles are the installation positions of the pins. The headrest rod is fixedly connected to the plastic part of the car headrest body using a pin with a diameter of 3MM.

[0003] The existing method of installing pins is to manually operate a pin gun for assembly. This assembly method is not only labor-intensive, but also requires high skill proficiency of the assembly workers, and there is also the problem of unstable assembly quality. And with the improvement of product quality and production process requirements, as well as the increase in labor costs and 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 assembly pin assembly device, aiming to improve the problems of high labor intensity, high labor cost and unstable assembly quality in the existing manual assembly method.

[0005] The utility model is implemented as follows: a headrest assembly pin assembly device comprises a frame, a tooling frame is arranged on the frame, a pressing cylinder is arranged on the tooling frame, a piston rod of the pressing cylinder is connected with a pin pressing mechanism, the pin pressing mechanism is located below the pressing cylinder, and the pin pressing mechanism is slidably connected to the tooling frame; a contour support structure is arranged on the frame below the pin pressing mechanism, the contour support structure has a contour groove matched with the headrest assembly; a fixing cylinder is also arranged on the frame, and the fixing cylinder is used to fix the headrest assembly placed in the contour groove of the contour support structure.

[0006] Furthermore, the pin pressing mechanism includes a horizontally arranged pressing sleeve fixing plate, and two pin pressing heads are arranged on the pressing sleeve fixing plate, and the positions of the two pin pressing heads correspond one by one to the positions of the two pin mounting holes on the headrest assembly; the pin pressing head includes a sliding sleeve shell and a guide sleeve, and the sliding sleeve shell is connected to the pressing sleeve fixing plate, and the lower end of the sliding sleeve shell is opened, and the guide sleeve is slidably arranged in the lower port of the sliding sleeve shell; an ejector pin is arranged in the sliding sleeve shell, and the ejector pin includes a connecting block part and an ejector pin part, and the ejector pin part is located below the connecting block part, and a spring is sleeved on the ejector pin part of the ejector pin, and the guide sleeve has an installation through hole for installing the pin, and the ejector pin part of the ejector pin is aligned with the installation through hole of the guide sleeve.

[0007] Furthermore, a vertical limit hole is provided on the shell wall of the sliding sleeve shell, and the upper end of the guide sleeve is connected to a limit rod, and the limit rod passes through the limit hole; a clamping sleeve is provided in the installation through hole of the guide sleeve, and the pin is installed in the clamping sleeve, and the clamping sleeve elastically clamps the pin.

[0008] Furthermore, two ends of the pressing sleeve fixing plate are respectively connected to a slide rail connecting seat, two linear guide rails are vertically arranged on the tooling frame, and the two slide rail connecting seats are respectively slidably connected to the two linear guide rails.

[0009] Furthermore, a limit switch is provided on the tooling frame, and the limit switch is located below the linear guide rail. The limit switch controls the downward stroke of the clamping cylinder by detecting the position of the slide rail connecting seat or the pressing sleeve fixing plate.

[0010] Furthermore, two fixed cylinders are provided, respectively arranged on the left and right sides of the contoured support structure; a pressure arm is hinged on the piston rod of the fixed cylinder, and the pressure arm fixes the headrest assembly placed in the contoured groove of the contoured support structure under the drive of the fixed cylinder.

[0011] Furthermore, two detection sensors are installed on the tooling frame, and the detection sensors are respectively arranged corresponding to the positions of the two pin pressure heads.

[0012] Furthermore, the contoured support structure includes a front contoured support block, a left contoured support block, a right contoured support block and a rear contoured support block, and the rear ends of the front contoured support block, the left contoured support block and the right contoured support block are all provided with contoured grooves that are compatible with the headrest body of the headrest assembly; the upper end of the rear contoured support block is provided with a contoured structure that is compatible with the headrest rod of the headrest assembly.

[0013] Furthermore, protective doors are provided on the left and right sides and the rear side of the tooling frame on the frame, and safety gratings are provided on both sides of the front end of the frame.

[0014] Furthermore, the rack is also provided with a touch screen and an electrical cabinet, the top of the rack is provided with a sound and light alarm, the front end of the rack is also provided with two push switches, one on the left and one on the right, and an emergency stop switch is provided on the right side of the push switch on the right; the clamping cylinder, the fixing cylinder, the touch screen, the push switch, the emergency stop switch and the sound and light alarm are all electrically connected to the electrical cabinet.

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

[0016] 1. The utility model does not require workers to manually install pins, which reduces the labor intensity of workers and labor costs, and can enable pins to be accurately installed, effectively ensuring assembly quality.

[0017] 2. The utility model is provided with a contoured support structure and a fixed cylinder. The contoured support structure has a contoured groove adapted to the headrest assembly. Through the arrangement of the contoured support structure and the fixed cylinder, the headrest assembly can be firmly and firmly fixed, thereby effectively ensuring the assembly quality.

[0018] 3. Two detection sensors are installed on the tooling frame of the utility model. The two detection sensors are respectively arranged corresponding to the positions of the two pin pressure heads, and can detect whether the pins are missing.

[0019] 4. The utility model is provided with a limit switch, which controls the downward stroke of the pressing cylinder by detecting the position of the slide rail connecting seat or the pressing sleeve fixing plate, thereby preventing the downward stroke from being too large and damaging the headrest assembly and the pin pressing head.

[0020] 5. Safety gratings are arranged on both sides of the front end of the frame of the utility model to effectively protect the operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a diagram of the installation position of the pins on the existing headrest assembly;

[0022] Figure 2 It is a three-dimensional diagram of the utility model;

[0023] Figure 3 It is the front view of the utility model;

[0024] Figure 4 It is a three-dimensional diagram of the tooling frame of the utility model and the components mounted thereon from a front-down perspective;

[0025] Figure 5 It is a three-dimensional diagram of the tooling frame and the components mounted thereon of the utility model from a rear-view perspective;

[0026] Figure 6 It is a three-dimensional diagram of the contoured support structure of the utility model;

[0027] Figure 7 It is a three-dimensional diagram of the pin pressing head of the utility model;

[0028] Figure 8 It is a schematic diagram of the internal structure of the pin pressure head of the utility model.

[0029] In the figure: 1. frame; 2. tooling frame; 3. clamping cylinder; 4. profiling support structure; 401. front profiling support block; 402. left profiling support block; 403. right profiling support block; 404. rear profiling support block; 5. fixing cylinder; 6. headrest assembly; 7. pressing sleeve fixing plate; 8. pin pressing head; 801. sliding sleeve housing; 802. guide sleeve; 803. ejector pin; 804. spring; 805. limiting hole; 806. limiting rod; 807. clamping sleeve; 9. slide rail connecting seat; 10. linear guide; 11. limit switch; 12. detection sensor; 13. protective door; 14. safety grating; 15. touch screen; 16. electrical cabinet; 17. push switch; 18. emergency stop switch; 19. sound and light alarm; 20. pressing arm. DETAILED DESCRIPTION

[0030] 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.

[0031] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0032] like Figure 3 and Figure 4 As shown, a headrest assembly pin assembly device includes a frame 1, a tool frame 2 is provided on the frame 1, a clamping cylinder 3 is provided on the tool frame 2, and the piston rod of the clamping cylinder 3 is connected to a pin pressing mechanism, and the pin pressing mechanism is located below the clamping cylinder 3. The pin pressing mechanism includes a horizontally arranged pressing sleeve fixing plate 7, and two pin pressing heads 8 are provided on the pressing sleeve fixing plate 7. The positions of the two pin pressing heads 8 correspond to the positions of the two pin mounting holes on the headrest assembly 6. A slide rail connecting seat 9 is connected to each of the two ends of the pressing sleeve fixing plate 7, and two linear guide rails 10 are vertically provided on the tool frame 2. The two slide rail connecting seats 9 are slidably connected to the two linear guide rails 10 respectively. The clamping cylinder 3 drives the pressing sleeve fixing plate 7 and the two pin pressing heads 8 installed on the pressing sleeve fixing plate 7 to move up and down along the linear guide rails 10. A limit switch 11 is provided on the tooling frame 2, and the limit switch 11 is located below the linear guide rail 10. The limit switch 11 controls the downward stroke of the clamping cylinder 3 by detecting the position of the slide rail connecting seat 9 or the pressing sleeve fixing plate 7, so as to prevent the downward stroke from being too large and damaging the headrest assembly 6 and the pin pressing head 8.

[0033] like Figure 7 and Figure 8As shown, the pin press head 8 includes a sliding sleeve housing 801 and a guide sleeve 802, and the sliding sleeve housing 801 is connected to the pressing sleeve fixing plate 7 by bolts. The lower end of the sliding sleeve housing 801 is open, and the guide sleeve 802 is slidably arranged in the lower port of the sliding sleeve housing 801. A vertical limit hole 805 is arranged on the housing wall of the sliding sleeve housing 801, and the upper end of the guide sleeve 802 is connected to a limit rod 806, and the limit rod 806 passes through the limit hole 805. An ejector 803 is arranged in the sliding sleeve housing 801, and the ejector 803 includes a connecting block part and an ejector part, and the ejector part is located below the connecting block part. A spring 804 is sleeved on the ejector part of the ejector 803, and the guide sleeve 802 has an installation through hole for installing the pin, and the ejector part of the ejector 803 is aligned with the installation through hole of the guide sleeve 802, and the lower end is inserted into the installation through hole of the guide sleeve 802. A clamping sleeve 807 is provided in the installation through hole of the guide sleeve 802, and the pin is installed in the clamping sleeve 807. The clamping sleeve 807 elastically clamps the pin, which can firmly clamp the pin without affecting the ejector 803 to eject the pin into the pin installation hole of the headrest assembly 6.

[0034] like Figure 5 As shown, two detection sensors 12 are also installed on the tooling frame 2. The detection sensors 12 are respectively arranged corresponding to the positions of the two pin pressure heads 8. The detection sensors 12 can use photoelectric sensors to detect whether the pins are missing.

[0035] like Figure 4 , Figure 5 and Figure 6 As shown, a profiling support structure 4 is provided below the pin pressing mechanism on the frame 1, and the profiling support structure 4 is provided on the support plate at the bottom of the tooling frame 2. The profiling support structure 4 includes a front profiling support block 401, a left profiling support block 402, a right profiling support block 403 and a rear profiling support block 404, and a profiling groove adapted to the headrest body of the headrest assembly 6 is provided on the rear end of the front profiling support block 401, the left profiling support block 402 and the right profiling support block 403. The upper end of the rear profiling support block 404 is provided with a profiling structure adapted to the headrest rod of the headrest assembly 6, and the profiling structure is an inclined surface or a groove adapted to the headrest rod. The frame 1 is also provided with a fixed cylinder 5, and two fixed cylinders 5 are provided, which are respectively arranged on the left and right sides of the left profiling support block 402 and the right profiling support block 403. A pressure arm 20 is hinged on the piston rod of the fixed cylinder 5, and the pressure arm 20 fixes the headrest assembly 6 placed in the contoured groove of the contoured support structure 4 under the drive of the fixed cylinder 5. Through the arrangement of the contoured support structure 4 and the fixed cylinder 5, the headrest assembly 6 can be firmly and firmly fixed, effectively ensuring the assembly quality.

[0036] like Figure 2 and Figure 3As shown, the frame 1 is provided with protective doors 13 on the left and right sides and the rear side of the tooling frame 2, and safety gratings 14 are provided on both sides of the front end of the frame 1, which can effectively protect the operator. The frame 1 is also provided with a touch screen 15 and an electrical cabinet 16, and an audible and visual alarm 19 is provided at the top of the frame 1. The front end of the frame 1 is also provided with two push switches 17, one on the left and one on the right, and an emergency stop switch 18 is provided on the right side of the push switch 17 on the right. The clamping cylinder 3, the fixing cylinder 5, the limit switch 11, the detection sensor 12, the safety grating 14, the touch screen 15, the push switch 17, the emergency stop switch 18 and the audible and visual alarm 19 are all electrically connected to the electrical cabinet 16. The touch screen 15 is used to operate the assembly equipment and can set the operating parameters. The audible and visual alarm 19 is used for fault alarm, which can emit alarm sound and alarm light at the same time, and is provided at the top of the frame 1, and the alarm effect is good. The emergency stop switch 18 is arranged at a position convenient for the staff to operate, so that the staff can press the emergency stop button in time when a fault or accident occurs. When assembling the pins, both hands are required to press the switch 17 at the same time, so that the staff can concentrate more and no extra hands are allowed to enter the pin assembly area, making the utility model safer to use.

[0037] The working principle of the utility model is as follows: the headrest assembly 6 is placed on the contoured support structure 4 and is pressed and fixed by the fixing cylinder 5 and the pressing arm 20. The pin is inserted into the pin pressing head 8, and two pressing switches 17 are activated by both hands. The pressing cylinder 3 drives the pressing sleeve fixing plate 7 and the pin pressing head 8 installed on the pressing sleeve fixing plate 7 to press down, and the pin is installed on the headrest assembly 6 under the action of the ejector pin 803.

[0038] In summary, the utility model does not require workers to manually install pins, which reduces the labor intensity of workers and labor costs, and can enable pins to be accurately installed, effectively ensuring assembly quality.

[0039] 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 assembly pin assembly device, comprising a frame (1), characterized in that: The frame (1) is provided with a tooling frame (2), the tooling frame (2) is provided with a pressing cylinder (3), the piston rod of the pressing cylinder (3) is connected with a pin pressing mechanism, the pin pressing mechanism is located below the pressing cylinder (3), and the pin pressing mechanism is slidably connected to the tooling frame (2); a contour support structure (4) is provided on the frame (1) below the pin pressing mechanism, the contour support structure (4) has a contour groove matched with the headrest assembly (6); the frame (1) is also provided with a fixing cylinder (5), the fixing cylinder (5) is used to fix the headrest assembly (6) placed in the contour groove of the contour support structure (4).

2. A headrest assembly pin assembly device according to claim 1, characterized in that: The pin pressing mechanism comprises a horizontally arranged pressing sleeve fixing plate (7), on which two pin pressing heads (8) are arranged, and the positions of the two pin pressing heads (8) correspond to the positions of the two pin mounting holes on the headrest assembly (6); the pin pressing head (8) comprises a sliding sleeve housing (801) and a guide sleeve (802), the sliding sleeve housing (801) is connected to the pressing sleeve fixing plate (7), the lower end of the sliding sleeve housing (801) is opened, and the The guide sleeve (802) is slidably arranged in the lower port of the sliding sleeve housing (801); an ejector pin (803) is arranged in the sliding sleeve housing (801), and the ejector pin (803) comprises a connecting block portion and an ejector pin portion, the ejector pin portion is located below the connecting block portion, a spring (804) is sleeved on the ejector pin portion of the ejector pin (803), the guide sleeve (802) has an installation through hole for installing a pin, and the ejector pin portion of the ejector pin (803) is aligned with the installation through hole of the guide sleeve (802).

3. A headrest assembly pin assembly device according to claim 2, characterized in that: A vertical limiting hole (805) is provided on the shell wall of the sliding sleeve shell (801); the upper end of the guide sleeve (802) is connected to a limiting rod (806), and the limiting rod (806) passes through the limiting hole (805); a clamping sleeve (807) is provided in the installation through hole of the guide sleeve (802), and the pin is installed in the clamping sleeve (807), and the clamping sleeve (807) elastically clamps the pin.

4. A headrest assembly pin assembly device according to claim 3, characterized in that: The two ends of the pressing sleeve fixing plate (7) are respectively connected to a slide rail connecting seat (9), and two linear guide rails (10) are vertically arranged on the tooling frame (2), and the two slide rail connecting seats (9) are respectively slidably connected to the two linear guide rails (10).

5. A headrest assembly pin assembly device according to claim 4, characterized in that: A limit switch (11) is provided on the tooling frame (2), and the limit switch (11) is located below the linear guide rail (10). The limit switch (11) controls the downward stroke of the pressing cylinder (3) by detecting the position of the slide rail connecting seat (9) or the pressing sleeve fixing plate (7).

6. A headrest assembly pin assembly device according to claim 1, characterized in that: Two fixed cylinders (5) are provided, respectively arranged on the left and right sides of the contour support structure (4); a pressure arm (20) is hingedly connected to the piston rod of the fixed cylinder (5), and the pressure arm (20) fixes the headrest assembly (6) placed in the contour groove of the contour support structure (4) under the drive of the fixed cylinder (5).

7. A headrest assembly pin assembly device according to claim 2, characterized in that: Two detection sensors (12) are also installed on the tooling frame (2), and the detection sensors (12) are respectively arranged corresponding to the positions of the two pin pressure heads (8).

8. The headrest assembly pin assembly device according to claim 1, characterized in that: The profiling support structure (4) comprises a front profiling support block (401), a left profiling support block (402), a right profiling support block (403) and a rear profiling support block (404); the front profiling support block (401), the left profiling support block (402) and the right profiling support block (403) are all provided with profiling grooves adapted to the headrest body of the headrest assembly (6); and the upper end of the rear profiling support block (404) is provided with a profiling structure adapted to the headrest rod of the headrest assembly (6).

9. The headrest assembly pin assembly device according to claim 1, characterized in that: The frame (1) is provided with protective doors (13) on both the left and right sides and the rear side of the tooling frame (2), and safety gratings (14) are provided on both sides of the front end of the frame (1).

10. A headrest assembly pin assembly device according to claim 9, characterized in that: The frame (1) is also provided with a touch screen (15) and an electrical cabinet (16); a sound and light alarm (19) is provided at the top of the frame (1); two push switches (17) are provided at the front end of the frame (1), one on the left and one on the right; an emergency stop switch (18) is provided on the right side of the right push switch (17); the pressing cylinder (3), the fixing cylinder (5), the touch screen (15), the push switch (17), the emergency stop switch (18) and the sound and light alarm (19) are all electrically connected to the electrical cabinet (16).

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