Automatic assembly equipment for headrest framework

Abstract

The invention relates to the technical field of headrest framework machining, and discloses headrest framework automatic assembling equipment which comprises a workbench, four first vertical rods symmetrical to one another are fixedly connected to the upper surface of the workbench, and a raw material conveying assembly for conveying a sleeve pillow is arranged at the top ends of the multiple first vertical rods; the top ends of the multiple first vertical rods are fixedly connected with second vertical rods, a transverse moving assembly is arranged at the top ends of the multiple second vertical rods, one end of the transverse moving assembly protrudes, and a clamping assembly for clamping pillow sleeving sponge on the raw material conveying assembly is arranged on the transverse moving assembly through a lifting assembly. Through cooperative work of the transverse moving assembly, the lifting assembly and the clamping assembly, the whole process from taking out to mounting of the pillow sleeving sponge can be achieved, the pillow sleeving sponge can be mounted on a headrest framework without manual intervention, and therefore taking and mounting automation is achieved, the continuity between procedures is improved, and the production efficiency is improved. And the production efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to headrest skeleton processing technical field, specifically to a kind of headrest skeleton automatic assembly equipment. BACKGROUND

[0002] Automobile seat headrest is an important part of vehicle passive safety system, not only affects the comfort of driving, more play a key role in the protection of collision accident, headrest skeleton is its core load-bearing structure, its assembly quality directly affects the strength, durability and safety of headrest.

[0003] According to the search, the patent number CN208496265U of China discloses a headrest skeleton assembly tool, which can adapt to the production rhythm, quickly assemble the headrest metal pin, meet the assembly requirements, improve the production efficiency, reduce the labor input, improve the quality stability, achieve the effect of getting twice the result with half the effort. When assembling the headrest skeleton and sponge in the subsequent, manual assembly is generally used, and there will be taking, aligning and installing in the process of assembly. The continuity between each step of manual assembly is poor. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a kind of headrest skeleton automatic assembly equipment, mainly to solve the problem that manual assembly is generally used when assembling headrest skeleton and sponge in the subsequent, and there will be taking, aligning and installing in the process of assembly. The continuity between each step of manual assembly is poor.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: A kind of headrest skeleton automatic assembly equipment, including workbench, the upper surface of the workbench is fixedly connected with four mutually symmetrical vertical rods one, the top of a plurality of vertical rods one is provided with raw material conveying assembly for conveying sleeve pillow, the top of a plurality of vertical rods one is fixedly connected with vertical rod two, the top of a plurality of vertical rods two is provided with horizontal moving assembly, and the horizontal moving assembly protrudes at one end, the horizontal moving assembly is provided with clamping assembly for clamping sleeve sponge on raw material conveying assembly through lifting assembly, the upper surface of the workbench and located at the position below the protruding part of horizontal moving assembly is provided with skeleton fixing assembly for fixing skeleton.

[0006] Further, the raw material conveying assembly includes a side plate fixedly connected to the same side of two vertical rods one, a stop rod is fixedly connected to the side end of the two side plates, a connecting plate one is fixedly connected between the opposite sides of the two side plates and below the stop rod, a plurality of guide rods are fixedly connected to one side of the connecting plate one at equal intervals, and the sleeve sponge is placed on the plurality of guide rods for conveying.

[0007] On the basis of the foregoing scheme, the horizontal moving assembly comprises a sliding frame fixedly connected to the two top ends of the vertical rod, a sliding plate slidingly connected to the sliding frame, a fixed plate fixedly connected to the sliding frame, and a linear motor module fixedly connected to the lower surface of the fixed plate, wherein the mover of the linear motor module is fixed to the upper surface of the sliding plate.

[0008] As a further scheme of the present application, the lifting assembly comprises two sliding rods one slidingly connected to the sliding plate, a bottom plate fixedly connected to the bottom ends of the two sliding rods one, an intermediate plate fixedly connected to the circumferential outer wall of the two sliding rods one at the middle position, and an electric push rod one fixedly connected between the upper surface of the intermediate plate and the lower surface of the sliding plate.

[0009] Further, the clamping assembly comprises fixed clamping plates fixedly connected to the two sides of the bottom plate, sliding rods two slidingly connected to the two sliding rods one, the sliding rods two arranged below the intermediate plate, an electric push rod two fixedly connected between the upper surface of the sliding rods two and the lower surface of the intermediate plate, fixed frames one fixedly connected to the two ends of the sliding rods two, movable clamping plates rotatably connected to the two ends of the bottom plate, fixed frames two fixedly connected to the outer walls of the top portions of the movable clamping plates, and a connecting plate two rotatably connected between the fixed frames two and the fixed frames one.

[0010] On the basis of the foregoing scheme, the skeleton fixing assembly comprises a fixed table fixedly connected to the upper surface of the workbench, and two mounting blocks fixedly connected to the upper surface of the fixed table.

[0011] As a further scheme of the present application, the mounting blocks are provided with sliding grooves matched with the mounting holes, the sliding grooves are obliquely arranged, oblique rods matched with the sliding grooves are slidingly connected to the sliding grooves, the oblique rods are rotatably connected to threaded rods through bearings at one side, and the threaded rods are threadedly connected to the mounting blocks at one end.

[0012] Further, the oblique rods are fixedly connected to round rods at one side and above and below the threaded rods, and the round rods are slidingly connected to the mounting blocks at one end.

[0013] Compared with the prior art, the present application provides a headrest skeleton automatic assembly device, which has the following advantages: 1. The headrest sponge can be installed on the headrest skeleton without manual intervention through the cooperation of the horizontal moving assembly, the lifting assembly, and the clamping assembly, thereby realizing the automation of taking and installing, improving the continuity between processes, and effectively improving the production efficiency.

[0014] 2、The present application can accurately place and position the headrest skeleton by using the preset skeleton fixing assembly, without manual operation, thereby improving the assembly accuracy and consistency, and reducing the scrap rate and rework rate caused by improper operation.

[0015] 3、The size of the headrest skeleton mounting hole can be changed by the chute and inclined rod, thereby installing and positioning the headrest skeleton of different sizes, and increasing the adaptability of the device.

[0016] 4、The movable clamping plate and the fixed clamping plate are used in cooperation, so that the sleeve pillow sponge can be tightly clamped during the process of taking and installing the sleeve pillow sponge, thereby avoiding the falling of the sleeve pillow sponge during the movement.

[0017] 5、The raw material conveying assembly can continuously convey and supplement the sleeve pillow sponge, and the first sleeve pillow sponge is always located at one end of the assembly, so that the clamping assembly can conveniently and accurately clamp it. DRAWINGS

[0018] Figure 1 It is a front side three-dimensional structure schematic view of a headrest skeleton automatic assembly equipment proposed by the present application. Figure 2 It is a bottom structure schematic view of a headrest skeleton automatic assembly equipment proposed by the present application. Figure 3 It is a lifting assembly structure schematic view of a headrest skeleton automatic assembly equipment proposed by the present application. Figure 4 It is a clamping assembly structure schematic view of a headrest skeleton automatic assembly equipment proposed by the present application. Figure 5 It is a skeleton fixing assembly structure schematic view of a headrest skeleton automatic assembly equipment proposed by the present application. Figure 6 It is a headrest skeleton automatic assembly equipment proposed by the present application. Figure 5

[0019] ​In the figure: 1, workbench; 2, vertical rod one; 3, vertical rod two; 4, raw material conveying assembly; 401, side plate; 402, blocking rod; 403, connecting plate one; 404, guide rod; 5, horizontal moving assembly; 501, sliding frame; 502, fixed plate; 503, sliding plate; 504, linear motor module; 6, lifting assembly; 601, sliding rod one; 602, middle plate; 603, electric push rod one; 604, bottom plate; 605, fixed clamping plate; 7, clamping assembly; 701, sliding rod two; 702, electric push rod two; 703, fixed frame one; 704, movable clamping plate; 705, fixed frame two; 706, connecting plate two; 8, framework fixing assembly; 801, fixed table; 802, mounting block; 803, mounting hole; 804, sliding groove; 805, inclined rod; 806, round rod; 807, threaded rod. DETAILED DESCRIPTION

[0020] In order to make the objects, technical solutions and advantages of the present application clearer, the following further describes the present application with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present application and should not be used to limit the present application.

[0021] The serial numbers of components in this paper, such as "first", "second", etc., are only used to distinguish the described objects and do not have any sequence or technical meaning. The "connection" and "coupling" of the present application include direct and indirect connection (coupling) unless otherwise specified. In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the present application.

[0022] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0023] Please refer to Figures 1-6As shown, a headrest framework automatic assembly equipment, the upper surface of the workbench 1 is fixedly connected with four mutually symmetrical vertical rods 2 by bolts, the top of the plurality of vertical rods 2 is provided with a raw material conveying assembly 4 for conveying the sleeve pillow, the top of the plurality of vertical rods 2 is fixedly connected with a vertical rod 3 by bolts, the top of the plurality of vertical rods 3 is provided with a horizontal moving assembly 5, and the horizontal moving assembly 5 protrudes at one end, the horizontal moving assembly 5 is provided with a clamping assembly 7 for clamping the sleeve pillow sponge on the raw material conveying assembly 4 through a lifting assembly 6, and the upper surface of the workbench 1 and located below the protruding part of the horizontal moving assembly 5 is provided with a framework fixing assembly 8 for fixing the framework.

[0024] When in use, first, the headrest framework is placed on the framework fixing assembly 8, then the clamping assembly 7 is moved to the raw material conveying assembly 4 above through the horizontal moving assembly 5, then the sleeve pillow sponge is removed through the cooperation of the lifting assembly 6 and the clamping assembly 7, and then the sleeve pillow sponge is installed on the headrest framework through the cooperation of the horizontal moving assembly 5, the lifting assembly 6 and the clamping assembly 7, so that the assembly work of the two can be completed.

[0025] Through the cooperation of the horizontal moving assembly 5, the lifting assembly 6 and the clamping assembly 7, the process of taking out and installing the sleeve pillow sponge can be completed, the sleeve pillow sponge does not need to be manually taken and installed on the headrest framework, the automation of taking and installing is realized, the continuity between processes is increased, and the production efficiency is effectively increased.

[0026] In order to solve the technical problem of raw material conveying, the raw material conveying assembly 4 is adopted, which comprises side plates 401 fixedly connected on one side of the two vertical rods 2 on the same side through bolts, stop rods 402 fixedly connected on one side end of the two side plates 401 through bolts, a connecting plate 403 fixedly connected between the opposite sides of the two side plates 401 and below the stop rods 402 through bolts, a plurality of guide rods 404 fixedly connected on one side of the connecting plate 403 through bolts, and the sleeve pillow sponge is placed on the plurality of guide rods 404 for conveying.

[0027] The raw material conveying assembly 4 can continuously convey and supplement the sleeve pillow sponge, and the first sleeve pillow sponge is always located at one end of the assembly, so that the clamping assembly 7 can conveniently and accurately clamp it.

[0028] In order to make the clamping assembly 7 move horizontally, the horizontal moving assembly 5 is adopted, which comprises a sliding frame 501 fixedly connected on the top of the vertical rod 3 through bolts, a sliding plate 503 slidingly connected on the sliding frame 501, a fixed plate 502 fixedly connected on the sliding frame 501 through bolts, a linear motor module 504 fixedly connected on the lower surface of the fixed plate 502 through bolts, and the mover of the linear motor module 504 is fixedly connected with the upper surface of the sliding plate 503.

[0029] Specific in the completion of the headrest skeleton fixed work, start linear motor module 504 its inside mover drive slide plate 503 along the slide along the slide 501 to make the clamping assembly 7 is the most front end set pillow sponge just above can.

[0030] In order to make the clamping assembly 7, the lifting assembly 6 is adopted, including two sliding rods 601 slidingly connected on the slide plate 503, the bottom of the two sliding rods 601 is fixedly connected with the bottom plate 604 through the bolt, the middle position of the two sliding rods 601 is fixedly connected with the middle plate 602 through the bolt on the circumferential outer wall, and the upper surface of the middle plate 602 is fixedly connected with the lower surface of the slide plate 503 through the bolt.

[0031] When in use, the electric push rod 603 is started to extend, so that the sliding rod 601 slides downward along the slide plate 503, and the bottom plate 604 at the bottom of the sliding rod 601 slides downward, so that the fixed clamping plate 605 moves downward until it contacts the pillow sponge.

[0032] In order to stably clamp the pillow sponge, the clamping assembly 7 is adopted, which includes the fixed clamping plate 605 fixedly connected on both sides of the bottom plate 604 through the bolt, the sliding rod 701 slidingly connected on the two sliding rods 601, the sliding rod 701 arranged below the middle plate 602, the electric push rod 702 fixedly connected between the upper surface of the sliding rod 701 and the lower surface of the middle plate 602 through the bolt, the fixed frame 703 fixedly connected at both ends of the sliding rod 701 through the bolt, the movable clamping plate 704 rotatably connected at both ends of the bottom plate 604, the fixed frame 705 fixedly connected on the top outer wall of the movable clamping plate 704 through the bolt, and the connecting plate 706 rotatably connected between the fixed frame 705 and the fixed frame 703.

[0033] Further, after the fixed clamping plate 605 contacts the pillow sponge, the electric push rod 702 is started to extend, so that the sliding rod 701 slides downward along the sliding rod 601, and the movable clamping plate 704 is squeezed through the connecting plate 706 when the sliding rod 701 slides, so that the bottom end of the movable clamping plate 704 is inwardly retracted to tightly clamp the pillow sponge.

[0034] The cooperation of the movable clamping plate 704 and the fixed clamping plate 605 can tightly clamp the pillow sponge during the taking and installing of the pillow sponge, so as to avoid the falling of the pillow sponge during the moving.

[0035] In order to solve the technical problem of fixing the skeleton, the skeleton fixing assembly 8 is adopted, which includes the fixed table 801 fixedly connected on the upper surface of the workbench 1 through the bolt, the two mounting blocks 802 fixedly connected on the upper surface of the fixed table 801 through the bolt, and the mounting hole 803 formed in each of the two mounting blocks 802.

[0036] Further, the mounting block 802 is provided with a sliding groove 804 matched with the mounting hole 803, the sliding groove 804 is obliquely provided, a slanted rod 805 matched with the sliding groove 804 is slidably connected in the sliding groove 804, the slanted rod 805 is rotatably connected with a threaded rod 807 through a bearing on one side, one end of the threaded rod 807 penetrates through one side of the mounting block 802 and is threadedly connected with the mounting block 802, a round rod 806 is fixedly connected with the slanted rod 805 on one side and above or below the threaded rod 807 through bolts, and one end of the two round rods 806 penetrates through the outer wall of one side of the mounting block 802 and is slidably connected with the mounting block 802.

[0037] Specifically, when assembling the automobile headrest framework and the headrest sponge, first, the two bottom ends of the headrest framework are respectively inserted into the two mounting holes 803, and then the threaded rod 807 is rotated, and in the process of rotating the threaded rod 807, the slanted rod 805 is pushed to slide along the sliding groove 804 until the slanted rod 805 fixes the bottom of the headrest framework.

[0038] The framework fixing assembly 8 can position the headrest framework thereon, and manual assembly is not required, and higher precision and consistency directly reduce the scrap rate and rework rate caused by operation errors.

[0039] After clamping the sleeve pillow sponge, the electric push rod one 603 is started to retract, so that the sleeve pillow sponge is moved upward through the clamping assembly 7, then the linear motor module 504 is started to move the sliding plate 503 to move the sleeve pillow sponge horizontally, until the sleeve pillow sponge is located directly above the headrest framework, the electric push rod one 603 is started to extend to sleeve the sleeve pillow sponge on the headrest framework, then the electric push rod two 702 is started to retract to release the sponge, and the assembly of the headrest framework and the sleeve pillow sponge is completed, and then the electric push rod one 603 is started to retract to reset the clamping assembly 7.

[0040] The sliding groove 804 and the slanted rod 805 can change the size of the mounting hole 803 of the headrest framework, so as to install and position the headrest framework of different sizes, and the adaptability of the device is increased.

[0041] In the present application, the inner wall of the threaded hole on the mounting block 802 is axially provided with an annular groove, a nylon 66 damping ring with a shore hardness of 85A is embedded in the groove, a continuous axial compression force is generated by the elastic deformation of the nylon 66 damping ring, and a helix angle interference fit of 15°-20° is formed with the surface of the threaded rod 807, when the threaded pair bears axial vibration load, the nylon insert can produce an elastic compression of 0.3mm, the friction coefficient between the threaded contact surfaces is increased from 0.15 to 0.68 (according to ASTM D1894 standard test), and the loosening displacement caused by the rebound of the thread is effectively inhibited.

[0042] It should be noted that the electric push rod 602, the electric push rod 702 and the linear motor module 504 are prior art, and those skilled in the art can set them according to actual needs, and details are not described here.

[0043] The application is used in the following steps: S1: when assembling the car headrest framework and the headrest sponge, first insert the two bottom ends of the headrest framework into the two mounting holes 803, then rotate the threaded rod 807, and in the process of rotating the threaded rod 807, the inclined rod 805 will be pushed to slide along the sliding groove 804 until the inclined rod 805 fixes the bottom of the headrest framework; S2: after the fixing work of the headrest framework is completed, start the mover in the linear motor module 504 to drive the sliding plate 503 to slide along the sliding rail 501 until the clamping assembly 7 is above the front end of the sponge; S3: then start the electric push rod 603 to extend so that the sliding rod 601 slides downward along the sliding plate 503, and the bottom plate 604 at the bottom of the sliding rod 601 slides downward so that the fixed clamping plate 605 moves downward until it contacts the sponge; S4: after the fixed clamping plate 605 contacts the sponge, start the electric push rod 702 to extend so that the sliding rod 701 slides downward along the sliding rod 601, and the movable clamping plate 704 will be squeezed by the connecting plate 706 while the sliding rod 701 slides, so that the bottom end of the movable clamping plate 704 contracts inward to tightly clamp the sponge; S5: after clamping the sponge, start the electric push rod 603 to retract, so that the sponge is moved upward by the clamping assembly 7, then start the linear motor module 504 to move the sliding plate 503 to move the sponge horizontally, and after the sponge is located above the headrest framework, start the electric push rod 603 to extend to wrap the sponge around the headrest framework, then start the electric push rod 702 to retract to release the sponge, and the assembly of the headrest framework and the sponge is completed, then start the electric push rod 603 to retract to reset the clamping assembly 7.

[0044] The technical features of the above embodiments can be combined arbitrarily, and to make the description concise, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the present application.

[0045] The above embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, several modifications and improvements can be made, which are within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. An automated assembly apparatus for headrest frames, comprising a worktable (1), characterized in that, The upper surface of the workbench (1) is fixedly connected with four mutually symmetrical vertical rods (2), the top of the plurality of vertical rods (2) is provided with a raw material conveying assembly (4) for conveying the sleeve pillow, the top of the plurality of vertical rods (2) is fixedly connected with a vertical rod (3), the top of the plurality of vertical rods (3) is provided with a horizontal moving assembly (5), one end of the horizontal moving assembly (5) protrudes, the horizontal moving assembly (5) is provided with a clamping assembly (7) for clamping the sleeve pillow sponge on the raw material conveying assembly (4) through a lifting assembly (6), and the upper surface of the workbench (1) and located below the protruding part of the horizontal moving assembly (5) is provided with a skeleton fixing assembly (8) for fixing the skeleton.

2. The headrest frame automated assembly apparatus according to claim 1, wherein, The raw material conveying assembly (4) comprises a side plate (401) fixedly connected to the same side of two vertical rods (2), a blocking rod (402) fixedly connected to the side end of the two side plates (401), a connecting plate (403) fixedly connected between the opposite sides of the two side plates (401) and below the blocking rod (402), a plurality of guide rods (404) fixedly connected to the side of the connecting plate (403) at equal intervals, and the sleeve pillow sponge is placed on the plurality of guide rods (404) for conveying.

3. The headrest frame automated assembly apparatus according to claim 1, wherein The horizontal moving assembly (5) comprises a sliding frame (501) fixedly connected to the top of the vertical rod (3), a sliding plate (503) slidingly connected to the sliding frame (501), and a fixed plate (502) fixedly connected to the sliding frame (501), wherein the lower surface of the fixed plate (502) is fixedly connected with a linear motor module (504), and the mover of the linear motor module (504) is fixedly connected with the upper surface of the sliding plate (503).

4. The headrest frame automated assembly apparatus according to claim 3, wherein, The lifting assembly (6) comprises two sliding rods (601) slidingly connected to the sliding plate (503), a bottom plate (604) fixedly connected to the bottom end of the two sliding rods (601), an intermediate plate (602) fixedly connected to the circumferential outer wall of the two sliding rods (601) at the middle position, and an electric push rod (603) fixedly connected between the upper surface of the intermediate plate (602) and the lower surface of the sliding plate (503).

5. The headrest frame automated assembly apparatus according to claim 4, wherein, The clamping assembly (7) comprises a fixed clamping plate (605) fixedly connected to both sides of the bottom plate (604), a sliding rod (701) slidingly connected to the two sliding rods (601), the sliding rod (701) being arranged below the intermediate plate (602), an electric push rod (702) fixedly connected between the upper surface of the sliding rod (701) and the lower surface of the intermediate plate (602), a fixed frame (703) fixedly connected to both ends of the sliding rod (701), a movable clamping plate (704) rotatably connected to both ends of the bottom plate (604), a fixed frame (705) fixedly connected to the top outer wall of the movable clamping plate (704), and a connecting plate (706) rotatably connected between the fixed frame (705) and the fixed frame (703).

6. The headrest frame automated assembly apparatus according to claim 1, wherein, The skeleton fixing assembly (8) comprises a fixing table (801) fixedly connected to the upper surface of the workbench (1), and the upper surface of the fixing table (801) is fixedly connected with two symmetrical mounting blocks (802), and mounting holes (803) are formed in the two mounting blocks (802).

7. The headrest frame automated assembly apparatus according to claim 6, wherein, Sliding grooves (804) matched with the mounting holes (803) are formed in the mounting blocks (802), the sliding grooves (804) are obliquely formed, inclined rods (805) matched with the sliding grooves (804) are slidably connected in the sliding grooves (804), and threaded rods (807) are rotatably connected to one side of the inclined rods (805) through bearings.

8. The headrest frame automated assembly apparatus according to claim 7, wherein, Circular rods (806) are fixedly connected to one side of the inclined rods (805) and above and below the threaded rods (807), and one end of the two circular rods (806) penetrates through the outer wall of one side of the mounting blocks (802) and is slidably connected with the mounting blocks (802).

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