Automobile seat framework clamping ring assembling mechanism

Abstract

The utility model discloses an automobile seat framework retainer ring assembling mechanism which comprises a working table main body, material boxes, a material frame, press-fitting mechanisms and a clamp, the two material boxes are fixedly installed on the left side and the right side of the working table main body, the material frame is fixedly installed in the material boxes, and the two press-fitting mechanisms are arranged on the left side and the right side of the working table main body. The clamp is arranged in the middle of the front side of the workbench body. The press-fitting mechanism is composed of a base, a linear sliding rail, a second air cylinder seat, a first air cylinder, a first air cylinder seat, a second air cylinder, a pressing head connecting shaft, a pressing head connecting seat, a clamping ring fixing seat, a gasket, a guide pin and a spring. According to the mechanism, the front-back design size of the workbench body is reduced, the overall size of the workbench body is reduced, the mechanism has the advantages of being compact in structure and reducing the manufacturing cost, an operator can conveniently take and use clamping rings through the material box and the material frame, an external feeding frame does not need to be used, and the purpose of reducing the occupied space of a production workshop is further achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile seat frame assembly, in particular to an automobile seat frame clamp ring assembly mechanism. Background Art

[0002] The main function of a car seat is to support the weight of the occupant, mitigate the vibration and impact transmitted from the car body, and provide the occupant with a comfortable and safe experience. The frame of a car seat is composed of a backrest assembly, a seat pan assembly, a recliner assembly, a recliner control assembly, a seat belt buckle and other related components. Ball bearings are fixedly installed on both sides of the seat pan assembly, that is, the retaining frame of the ball bearing is fixedly installed in the grooves on both sides of the frame of the seat pan assembly. The end shaft of the recliner assembly is fixed by a clamp ring press-fit method, that is, the outer surface of the clamp ring is fixedly installed in the rotating body of the ball bearing, and the through hole of the clamp ring is sleeved on the end shaft of the recliner assembly. The existing design structure requires the use of an external clamp ring loading rack, that is, the clamp ring is placed on the external loading rack, and the external loading rack is placed near the clamp ring assembly mechanism for the operator to take the clamp ring for assembly. This design structure occupies a large space in the production workshop, squeezes the space for placing auxiliary manual assembly tools and measuring tools in the clamp ring assembly mechanism, resulting in a messy operation area and affecting the processing efficiency of the operator. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide an automobile seat frame clamp ring assembly mechanism with a compact structure and small occupation of production workshop space.

[0004] In order to solve the above technical problems, the present invention is implemented through the following technical solutions: an automobile seat frame clamp ring assembly mechanism, comprising a workbench body, a material box, a material rack, a press-fitting mechanism and a clamp, two material boxes are respectively fixedly installed on the left and right sides of the workbench body through four support columns, the material rack is fixedly installed in the material box, two press-fitting mechanisms are arranged on the left and right sides of the workbench body, and the clamp is arranged in the middle of the front side of the workbench body;

[0005] The press-fitting mechanism is composed of a base, a linear slide rail, a second cylinder seat, a first cylinder, a first cylinder seat, a second cylinder, a pressure head connecting shaft, a pressure head connecting seat, a clamping ring fixing seat, a washer, a guide pin and a spring. The base is fixedly mounted on the workbench body, two linear slide rails are fixedly mounted on the workbench body, the second cylinder seat is fixedly mounted on the linear slide rail, the first cylinder seat is fixedly mounted on the rear end of the base, the cylinder body of the first cylinder is fixedly mounted on the first cylinder seat, the piston rod of the first cylinder is fixedly connected to the second cylinder seat, the cylinder body of the second cylinder is fixedly mounted on the second cylinder seat, and the pressure head connecting shaft is coaxially fixedly mounted on the piston rod of the second cylinder. The inner end of the pressure head connecting seat is coaxially sleeved and fixedly installed on the pressure head connecting shaft, the clamping ring fixing seat is coaxially fixedly installed on the outer end of the pressure head connecting seat, the clamping ring fixing seat, the pressure head connecting seat, and the pressure head connecting shaft are coaxially provided with interconnected guide holes, the washer is slidably installed in the guide hole of the pressure head connecting seat section, the guide pin is slidably installed in the guide holes of the clamping ring fixing seat, the pressure head connecting seat, and the pressure head connecting shaft, the guide pin is also coaxially fixedly installed in the washer, the spring is sleeved and installed on the guide pin, the inner end of the guide hole of the pressure head connecting seat forms a limiting shoulder surface, the inner and outer ends of the spring respectively act on the limiting shoulder surface and the washer, and the outer end of the guide pin is set to a frustum-shaped structure;

[0006] The cylinder body of the first cylinder is located in the area directly below the material box, and the combination of the second cylinder seat, the second cylinder, the pressure head connecting shaft, the pressure head connecting seat, the clamping ring fixing seat, the gasket, the guide pin and the spring can be moved along the linear slide rail to the area directly below the material box.

[0007] Furthermore, the front end of the material box is tilted downward by 15°-30°.

[0008] Furthermore, a support seat is fixedly mounted on the pressure head connection seat, and the support seat is symmetrical on both sides and has limit columns fixedly mounted by screws.

[0009] Furthermore, a protective cover is fixedly mounted on the second cylinder seat, and the cylinder body of the second cylinder is placed in the protective cover. There is a gap of 3-5 cm between the top surface of the protective cover and the lowest point of the material box.

[0010] Furthermore, a limit plate is fixedly mounted on the second cylinder seat, an L-shaped connecting block is fixedly mounted on the base, and a limit bolt for limiting the extreme movement position of the limit plate is threadedly mounted on the L-shaped connecting block.

[0011] Compared with the prior art, the benefits of the utility model are as follows: the mechanism drives the second cylinder seat to move through the first cylinder to achieve a coaxial position between the clamping ring fixing seat and the end shaft of the angle adjuster assembly of the automobile seat frame clamped on the fixture, so as to improve the pressing accuracy. The second cylinder seat is pulled back to the area directly below the material box by the first cylinder, thereby achieving the purpose of saving space, reducing the front and rear design dimensions of the workbench body, and reducing its overall volume. It has the advantages of compact structure and reduced manufacturing cost. The operator can conveniently take the clamping ring through the material box and the material rack, without the need to use an external loading rack, thereby further achieving the purpose of reducing the space occupied by the production workshop. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings.

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the press-fitting mechanism.

[0015] Figure 3 It is a schematic diagram of the installation structure of the clamp ring fixing seat.

[0016] Figure 4 It is a cross-sectional view of the installation structure of the guide pin. DETAILED DESCRIPTION

[0017] The utility model is described in detail below in conjunction with specific implementation methods:

[0018] like Figures 1 to 4 The illustrated embodiment of an automobile seat frame clamp assembly mechanism comprises a workbench body 1, a material box 2, a material rack 21, a press-fitting mechanism 3 and a clamp 4, wherein two material boxes 2 are respectively mounted on the left and right sides of the workbench body 1 through four support columns 22, the material rack 21 is fixedly mounted in the material box 2, two press-fitting mechanisms 3 are arranged on the left and right sides of the workbench body 1, and the clamp 4 is arranged at the middle position of the front side of the workbench body 1;

[0019] The press-fitting mechanism is composed of a base 31, a linear slide 32, a second cylinder seat 33, a first cylinder 34, a first cylinder seat 35, a second cylinder 5, a press head connecting shaft 6, a press head connecting seat 61, a clamping ring fixing seat 62, a washer 65, a guide pin 8 and a spring 10. The base 31 is fixedly mounted on the workbench body 1, the two linear slides 32 are fixedly mounted on the workbench body 1, the second cylinder seat 33 is fixedly mounted on the linear slide 32, the first cylinder seat 35 is fixedly mounted on the rear end of the base 31, the cylinder body of the first cylinder 34 is fixedly mounted on the first cylinder seat 35, the piston rod of the first cylinder 34 is fixedly connected to the second cylinder seat 33, the cylinder body of the second cylinder 5 is fixedly mounted on the second cylinder seat 33, the press head connecting shaft 6 is coaxially fixedly mounted on the piston rod of the second cylinder 5, and the inner end of the press head connecting seat 61 is coaxially sleeved and fixedly mounted on the press head On the connecting shaft 6, the collar fixing seat 62 is coaxially fixedly installed on the outer end of the pressure head connecting seat 61, and a collar accommodating positioning groove 63 is formed in the collar fixing seat 61. The collar fixing seat 62, the pressure head connecting seat 61, and the pressure head connecting shaft 6 are coaxially provided with interconnected guide holes, and the washer 65 is slidably installed in the guide hole of the pressure head connecting seat 61 section, and the guide pin 8 is slidably installed in the collar fixing seat 62, the pressure head connecting seat 61, and the guide hole of the pressure head connecting shaft 6. The guide pin 8 is also coaxially fixedly installed in the washer 65, and the spring 10 is sleeved and installed on the guide pin 8. The inner end of the guide hole of the pressure head connecting seat 61 forms a limiting shoulder surface, and the inner and outer ends of the spring 10 act on the limiting shoulder surface and the washer 65 respectively. The outer end of the guide pin 8 is set to a frustum-shaped structure, so that the guide pin 8 can be embedded in the guide blind holes at both ends of the central axis of the seat recliner assembly to achieve a guiding effect;

[0020] The cylinder body of the first cylinder 34 is located in the area directly below the material box 2, and the combination of the second cylinder seat 33, the second cylinder 5, the pressure head connecting shaft 6, the pressure head connecting seat 61, the clamping ring fixing seat 62, the washer 65, the guide pin 8 and the spring 10 can be moved along the linear slide rail 32 to the area directly below the material box 2.

[0021] The front end of the material box 2 is tilted downward by 15°-30°, the clamping ring is placed in the material rack 21, and the material rack 21 forms a limiting effect on the clamping ring. When the outermost clamping ring is taken out from the material rack 21, the rear clamping ring will roll to the front end of the material rack 21 due to the tilted structure, thereby realizing the automatic filling effect of the clamping ring.

[0022] A support seat 7 is fixedly installed on the pressure head connecting seat 61. The support seat 7 has limit columns 71 symmetrically installed on both sides and screwed and fixed. After the limit columns 71 contact the clamp 4, the piston rod of the second cylinder 5 can be prevented from extending outward excessively and squeezing, deforming and damaging the car seat frame.

[0023] A protective cover 51 is fixedly mounted on the second cylinder seat 33, and the cylinder body of the second cylinder 5 is placed in the protective cover 51 to protect the cylinder body of the second cylinder seat 33. There is a gap of 3-5 cm between the top surface of the protective cover 51 and the lowest point of the material box 2 to avoid interference with the bottom of the material box 2 when the protective cover 51 retracts to the area directly below the material box 2.

[0024] A limit plate 9 is fixedly installed on the second cylinder seat 33, and an L-shaped connecting block 91 is fixedly installed on the base 31. A limit bolt 92 for limiting the extreme movement position of the limit plate 9 is threadedly installed on the L-shaped connecting block 91. The relative installation position of the limit bolt 92 and the L-shaped connecting block 91 can be adjusted by rotating to adjust the extreme position of the outward movement of the second cylinder seat 33 and the limit plate 9, thereby improving the stroke accuracy of the piston rod of the first cylinder 34, and further improving the coaxial positioning accuracy of the position of the clamping ring fixing seat 61 and the two ends of the center axis of the adjuster assembly.

[0025] The automobile seat frame with the backrest assembly, the seat pan assembly and the recliner assembly pre-installed is clamped and fixed on the fixture 4, the piston rod of the first cylinder 34 is started to extend and push the second cylinder seat 33 to move outward until the clamp ring fixing seat 61 and the two ends of the center axis of the recliner assembly are in a coaxial position, the operator takes the clamp ring from the rack 21, puts the clamping groove buckle in the clamp ring accommodating positioning groove 63 of the clamp ring fixing seat 61, and the clamp ring is sleeved on the guide pin 8, and the two can slide relative to each other, and the piston of the second cylinder 5 is started. The rod is extended and retracted. First, the guide pin 8 slides and is embedded into the guide blind holes at both ends of the central axis of the seat recliner assembly. After the guide pin 8 contacts the bottom of the guide blind hole, the washer 65 compresses the spring 10. The washer 65 and the guide pin 8 move toward the direction of the pressure head connecting shaft 6. The clamping ring fixing seat 61 presses the clamping ring into the clamping grooves set on both sides of the backrest assembly or the seat basin assembly. The central axis of the seat recliner assembly is fixedly embedded in the clamping ring hole, and the operation of assembling the seat recliner assembly with the backrest assembly and the seat basin assembly through the clamping ring is completed.

Claims

1. An automobile seat frame clamp ring assembly mechanism, characterized in that: It comprises a workbench body (1), a material box (2), a material rack (21), a pressing mechanism (3) and a clamp (4), wherein the two material boxes (2) are fixedly mounted on the left and right sides of the workbench body (1) via four support columns (22), the material rack (21) is fixedly mounted in the material box (2), the two pressing mechanisms (3) are arranged on the left and right sides of the workbench body (1), and the clamp (4) is arranged at the middle of the front side of the workbench body (1); The press-fitting mechanism comprises a base (31), a linear slide rail (32), a second cylinder seat (33), a first cylinder (34), a first cylinder seat (35), a second cylinder (5), a pressure head connecting shaft (6), a pressure head connecting seat (61), a clamping ring fixing seat (62), a washer (65), a guide pin (8) and a spring (10), wherein the base (31) is fixedly mounted on the workbench body (1), the two linear slide rails (32) are fixedly mounted on the workbench body (1), the second cylinder seat (33) is fixedly mounted on the linear slide rail (32), the first cylinder seat (35) is fixedly mounted on the rear end of the base (31), the cylinder body of the first cylinder (34) is fixedly mounted on the first cylinder seat (35), the piston rod of the first cylinder (34) is fixedly connected to the second cylinder seat (33), the cylinder body of the second cylinder (5) is fixedly mounted on the second cylinder seat (33), and the pressure head connecting shaft (6) is coaxially fixedly mounted on the workbench body (1). On the piston rod of the second cylinder (5), the inner end of the pressure head connecting seat (61) is coaxially sleeved and fixedly mounted on the pressure head connecting shaft (6), the clamping ring fixing seat (62) is coaxially fixedly mounted on the outer end of the pressure head connecting seat (61), and the clamping ring fixing seat (62), the pressure head connecting seat (61), and the pressure head connecting shaft (6) are coaxially provided with interconnected guide holes, the washer (65) is slidably mounted in the guide hole of the pressure head connecting seat (61), and the guide pin (8) is slidably mounted in the guide hole of the pressure head connecting seat (61). The guide pin (8) is movably mounted in the guide holes of the clamping ring fixing seat (62), the pressure head connecting seat (61) and the pressure head connecting shaft (6); the guide pin (8) is also coaxially fixedly mounted in the washer (65); the spring (10) is sleeved and mounted on the guide pin (8); the inner end of the guide hole of the pressure head connecting seat (61) forms a limit shoulder surface; the inner and outer ends of the spring (10) act on the limit shoulder surface and the washer (65) respectively; and the outer end of the guide pin (8) is set to a frustum-shaped structure; The cylinder body of the first cylinder (34) is located in the area directly below the material box (2), and the combination of the second cylinder seat (33), the second cylinder (5), the pressure head connecting shaft (6), the pressure head connecting seat (61), the clamping ring fixing seat (62), the washer (65), the guide pin (8) and the spring (10) can be moved along the linear slide rail (32) to the area directly below the material box (2).

2. The automobile seat frame clamp assembly mechanism according to claim 1, characterized in that: The front end of the material box (2) is tilted downward by 15°-30°.

3. The automobile seat frame clamp ring assembly mechanism according to claim 1, characterized in that: A support seat (7) is fixedly mounted on the pressure head connection seat (61), and the support seat (7) has limit columns (71) symmetrically mounted on both sides and fixedly mounted by screws.

4. The automobile seat frame clamp ring assembly mechanism according to claim 2, characterized in that: A protective cover (51) is fixedly mounted on the second cylinder seat (33); the cylinder body of the second cylinder (5) is placed inside the protective cover (51); and a gap of 3-5 cm exists between the top surface of the protective cover (51) and the lowest point of the material box (2).

5. The automobile seat frame clamp ring assembly mechanism according to claim 1, characterized in that: A limit plate (9) is fixedly mounted on the second cylinder seat (33), an L-shaped connection block (91) is fixedly mounted on the base (31), and a limit bolt (92) for limiting the extreme movement position of the limit plate (9) is threadedly mounted on the L-shaped connection block (91).

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