Rear axle assembly pallet

Abstract

The present application belongs to the technical field of automobile conveying line, and relates to a rear axle assembling tray, which comprises a tray upper layer assembly, a tray bottom layer assembly, a locking rack assembly and a slide rail assembly. The tray bottom layer assembly is slidably arranged on the slide rail assembly, the tray upper layer assembly is supported on the tray bottom layer assembly, and the tray upper layer assembly can be adjusted in rotation and displacement in X-axis and Y-axis directions relative to the tray bottom layer assembly. The locking rack assembly can lock the tray bottom layer assembly at any position on the slide rail assembly. The assembling tray can be moved forward and backward as a whole, and the relative distance between the assembling tray and a front axle tray can be adjusted so as to be locked after reaching the position. The rear axle assembling tray comprises an upper layer and a lower layer, the upper layer can be adjusted in rotation at a certain angle relative to the lower layer, and can be adjusted in movement in X-axis and Y-axis directions, which is beneficial to workers to smoothly complete the rear axle assembling process, and can be adapted to rear axles of different specifications.

Description

Technical Field

[0001] This invention belongs to the field of automotive conveyor technology and relates to a rear axle assembly pallet. Background Technology

[0002] Assembly pallets are a crucial component of automotive production lines, which typically produce multiple vehicle models. These models differ in front and rear axle wheelbases, as well as rear axle widths. However, existing rear axle assembly pallets are difficult to move forward and backward as a whole, resulting in a fixed relative distance to the front axle pallet and hindering proper locking upon positioning.

[0003] Furthermore, existing rear axle assembly pallets cannot resolve the discrepancies in the relative positions of the upper lifting equipment and the vehicle body with the lower assembly slide, hindering workers from successfully completing the rear axle assembly process. Moreover, existing rear axle assembly pallets are not adaptable to different rear axles. Summary of the Invention

[0004] To address the aforementioned problems, this invention provides a rear axle assembly pallet. This pallet can move forward and backward as a whole, and its relative distance to the front axle pallet can be adjusted so that it locks in place. The rear axle assembly pallet includes upper and lower layers, with the upper layer able to rotate relative to the lower layer at a certain angle. It can also be adjusted in the X and Y axes, facilitating workers to smoothly complete the rear axle assembly process. It can adapt to rear axles of different specifications.

[0005] According to the technical solution of the present invention: a rear axle assembly pallet, characterized in that: it includes an upper pallet assembly, a lower pallet assembly, a locking rack assembly, and a slide rail assembly, wherein the lower pallet assembly is slidably disposed on the slide rail assembly, the upper pallet assembly is supported on the lower pallet assembly, and the upper pallet assembly can be rotated and adjusted relative to the lower pallet assembly and its displacement in the X and Y axes can be adjusted, and the locking rack assembly can lock the lower pallet assembly at any position on the slide rail assembly.

[0006] As a further improvement of the present invention, the upper pallet assembly includes an upper bottom plate, and a rotating shaft assembly is rotatably disposed in the middle part of the upper bottom plate. The lower end of the rotating shaft assembly is fixed to the middle plate of the lower pallet assembly, so as to realize the rotation of the upper pallet assembly relative to the lower pallet assembly.

[0007] The upper bottom plate is provided with stop pins on both sides. The stop pins cooperate with the bottom plate holes of the bottom component of the pallet to fix the position of the upper component of the pallet and the bottom component of the pallet.

[0008] A set of braking support structures is provided on both sides of the upper bottom plate along its length to limit the rear axle.

[0009] The bottom surface of the upper layer bottom plate is provided with a guide wheel, which is clamped in the waist-shaped hole of the middle plate to limit the rotation angle of the upper layer assembly of the tray.

[0010] As a further improvement of the present application, the brake support structure comprises a base, locking pins, and an adjusting block, the adjusting block is clamped under the base and can move forward and backward, and is locked and fixed by the upper locking pins, the adjusting block can be adjusted in height and is locked and fixed by the side locking pins on the side of the block seat of the adjusting block.

[0011] As a further improvement of the present application, the adjusting block comprises a block bottom plate and a guide inclined block integrally connected to the block bottom plate.

[0012] As a further improvement of the present application, the base is provided with a moving slot for the adjusting block, and the bottom surface of the base corresponding to the moving slot is provided with a guide groove, and the bottom surface of the adjusting block is respectively matched and arranged in the corresponding guide grooves.

[0013] As a further improvement of the present application, the bottom layer assembly of the tray comprises a bottom plate, and a floating assembly is mounted on the bottom plate, and the moving part of the floating assembly is fixedly connected with the middle plate.

[0014] Universal balls are arranged at the two ends of the length direction of the bottom plate to realize the sliding support of the upper layer assembly of the tray.

[0015] As a further improvement of the present application, the floating assembly comprises a middle shaft, a sliding shaft, a ball bushing is sleeved on the middle shaft, and a sliding sleeve linear bearing is arranged at each end of the middle shaft, and the sliding sleeve linear bearing is sleeved on the sliding shaft.

[0016] The bottom surface of the middle plate is fixedly connected with the ball bushing.

[0017] A limiting block is arranged at the outside of each side of the bottom plate corresponding to the middle plate to limit the sliding of the middle plate along the X-axis and Y-axis directions.

[0018] As a further improvement of the present application, the locking rack assembly comprises a long rack, the long rack is arranged between the two slide rails of the slide rail assembly and is arranged in parallel with the slide rail assembly.

[0019] The locking frame is arranged on the bottom plate of the bottom layer assembly of the tray, an operating rod is rotatably arranged on the locking frame, the outer end of the operating rod is rotatably connected with a lifting rod, the lower end of the lifting rod is fixedly connected with a short rack, and the operating rod can drive the short rack and the long rack to engage or disengage through the lifting rod.

[0020] As a further improvement of the present application, the operating rod and the bottom frame of the locking frame are connected by a spring, and a limiting rod is further arranged on the locking frame.

[0021] The technical effect of the present application is that the structure is reasonable and ingenious, the relative distance of the front bridge tray can be adjusted, and the rear bridge combined tray includes two layers, the upper layer can rotate at a certain angle relative to the lower layer, and can be adjusted in the X-axis and Y-axis directions, which is beneficial to the workers to smoothly complete the rear bridge assembly process, can adapt to different specifications of the rear bridge, and the two brake support structures of the upper layer assembly of the tray can be adjusted in width and up and down, so as to adapt to different rear bridges. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present application.

[0023] Figure 2 It is a perspective view of the upper layer assembly of the tray.

[0024] Figure 3 It is a front view of Figure 2 .

[0025] Figure 4 It is a perspective view of the brake support structure in Figure 2 .

[0026] Figure 5 It is a perspective view of the bottom layer assembly of the tray.

[0027] Figure 6 It is a perspective view of the floating assembly.

[0028] Figure 7 It is a front view of the locking rack assembly.

[0029] Figure 8 It is a top view of Figure 7 .

[0030] Figure 9 It is an installation schematic diagram of the locking frame. DETAILED DESCRIPTION

[0031] The specific embodiments of the present application will be further described below in combination with the drawings.

[0032] Figures 1-9 In the present application, the upper layer assembly of the tray 1, the bottom layer assembly of the tray 2, the locking rack assembly 3, the slide rail assembly 4, the upper layer bottom plate 5, the rotating shaft assembly 6, the stop pin 7, the brake support structure 8, the guide wheel 9, the base 10, the locking pin 11, the adjusting block 12, the bottom plate 13, the limiting block 13-1, the intermediate plate 14, the floating assembly 15, the intermediate shaft 16, the ball bushing 16-1, the universal ball 17, the slide sleeve belt linear bearing 18, the sliding shaft 19, the locking frame 20, the lifting rod 21, the operating rod 22, the spring 23, the limiting rod 24, etc.

[0033] As Figures 1-9As shown, the present application is a rear axle assembly tray, which comprises a tray upper layer assembly 1, a tray bottom layer assembly 2, a locking rack assembly 3 and a slide rail assembly 4, wherein the tray bottom layer assembly 2 is slidingly arranged on the slide rail assembly 4, the tray upper layer assembly 1 is supported on the tray bottom layer assembly 2, and the tray upper layer assembly 1 can be adjusted in rotation and displacement in X and Y directions relative to the tray bottom layer assembly 2, and the locking rack assembly 3 can lock the tray bottom layer assembly 2 at any position on the slide rail assembly 4.

[0034] The tray upper layer assembly 1 comprises an upper layer bottom plate 5, a rotating shaft assembly 6 is arranged at the middle part of the upper layer bottom plate 5, the lower end of the rotating shaft assembly 6 is fixed with the middle plate 14 of the tray bottom layer assembly 2, so as to realize the rotation of the tray upper layer assembly 1 relative to the tray bottom layer assembly 2.

[0035] The two sides of the upper layer bottom plate 5 are respectively provided with a stop pin 7, which is matched with the bottom plate hole of the tray bottom layer assembly 2, so as to realize the position fixing of the tray upper layer assembly 1 and the tray bottom layer assembly 2.

[0036] A set of brake support structures 8 are arranged at the length direction of the two sides of the upper layer bottom plate 5, so as to realize the limiting of the rear axle. The upper layer bottom plate 5 is made of a special 16mm thick steel plate.

[0037] As shown in Figure 3 , 5 The bottom surface of the upper layer bottom plate 5 is provided with a guide wheel 9, which is clamped in the waist-shaped hole of the middle plate 14, so as to limit the rotation angle of the tray upper layer assembly 1. The guide wheel 9 is rotatably arranged on the shaft of the bottom surface of the upper layer bottom plate 5.

[0038] As shown in Figure 4 , the brake support structure 8 comprises a base 10, a locking pin 11 and an adjusting block 12, the adjusting block 12 is clamped under the base 10 and can move forward and backward, and is locked and fixed by the upper locking pin 11, the adjusting block 12 can be adjusted in height and is locked and fixed by the side locking pin on the side of the block seat of the adjusting block 12. The lifting adjusting rod of the adjusting block 12 is matched and arranged in the vertical guide hole seat of the adjusting block seat, the lifting adjusting rod of the adjusting block 12 is uniformly arranged with a plurality of positioning holes in the vertical direction, and different positioning holes are matched with the side locking pin to realize the adjustment of the height of the adjusting block 12.

[0039] The adjusting block 12 comprises a block bottom plate and a guide inclined block integrally connected to the block bottom plate.

[0040] The base 10 is provided with a moving slot for the adjusting block 12, and the bottom surface of the base 10 corresponding to the moving slot is provided with a guide groove, and the bottom surface of the adjusting block 12 is respectively matched and arranged in the corresponding guide groove.

[0041] In the specific production process, the base 10 is fastened and connected to the upper floor 5 by bolts, the adjusting block 12 is placed in the moving slot, and the adjusting block 12 is slidingly guided in the guide slot, the adjusting block 12 slides in the guide slot, and the part of the adjusting block 12 extending into the moving slot can be locked and fixed by tightening the locking pin 11.

[0042] As shown in Figure 5 , the tray bottom assembly 2 comprises a floor 13, a floating assembly 15 is installed on the floor 13, and the moving part of the floating assembly 15 is fixedly connected with the intermediate plate 14. The floor 13 is made of a 20mm thick steel plate, and the intermediate plate 14 is made of a 14mm thick steel plate.

[0043] The two ends of the floor 13 in the length direction are respectively provided with universal balls 17 to realize sliding support of the tray upper assembly 1. The universal ball 17 can realize the sliding support of the tray upper assembly 1.

[0044] As shown in Figure 5 , 6 , the floating assembly 15 comprises an intermediate shaft 16, a sliding shaft 19, a ball bushing 16-1 is sleeved on the intermediate shaft 16, one sliding sleeve linear bearing 18 is installed on each end of the intermediate shaft 16, and the sliding sleeve linear bearing 18 is sleeved on the sliding shaft 19.

[0045] The bottom surface of the intermediate plate 14 is fixedly connected with the ball bushing 16-1. In specific practice, four groups of floating assemblies 15 are installed in a rectangular shape on the floor 13, and the four top corners of the intermediate plate 14 are respectively connected with the ball bushing 16-1 of the corresponding floating assembly 15, so that the intermediate plate 14 can move back and forth on the intermediate shaft 16 under the action of the ball bushing 16-1; the intermediate plate 14 moves back and forth along the sliding shaft 19 under the action of the sliding sleeve linear bearing 18; and finally drives the tray upper assembly 1 to move synchronously. The axial direction of the sliding shaft 19 is defined as the X-axis direction, and the axial direction of the intermediate shaft 16 is defined as the Y-axis direction.

[0046] A limiting block 13-1 is arranged outside each side of the floor 13 corresponding to the four sides of the intermediate plate 14, so as to limit the sliding of the intermediate plate 14 along the X-axis and Y-axis directions.

[0047] The locking rack assembly 3 comprises a long rack 25, which is arranged between the two sliding rails of the sliding rail assembly 4 and is arranged in parallel with the sliding rail assembly 4.

[0048] The locking rack assembly 3 further comprises a locking frame 20, which is installed on the floor 13 of the tray bottom assembly 2, an operating lever 22 is rotatably arranged on the locking frame 20, the outer end of the operating lever 22 is rotatably connected with a lifting lever 21, the lower end of the lifting lever 21 is fixedly connected with a short rack 26, and the operating lever 22 can drive the short rack 26 to engage or disengage with the long rack 25 through the lifting lever 21.

[0049] The operating lever 22 is connected with the bottom frame of the locking frame 20 through the spring 23, and the locking frame 20 is further provided with a limiting lever 24 which can cooperate with the operating lever 22 to avoid the operating lever 22 from being mistakenly operated to be opened, and the limiting lever 24 can be rotated to the position of the operating lever 22 when the operating lever 22 needs to be locked.

[0050] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present application rather than limit the present application. Although the present application has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A rear axle assembly pallet, characterized by: The tray upper assembly (1), the tray bottom assembly (2), the locking rack assembly (3) and the slide rail assembly (4) are included, wherein the tray bottom assembly (2) is slidably arranged on the slide rail assembly (4), the tray upper assembly (1) is supported on the tray bottom assembly (2), and the tray upper assembly (1) can be adjusted in rotation and displacement in X and Y directions relative to the tray bottom assembly (2), and the locking rack assembly (3) can lock the tray bottom assembly (2) at any position on the slide rail assembly (4); The tray upper assembly (1) includes an upper bottom plate (5), a rotating shaft assembly (6) is rotatably arranged at the middle part of the upper bottom plate (5), the lower end of the rotating shaft assembly (6) is fixed with the middle plate (14) of the tray bottom assembly (2), so as to realize the rotation of the tray upper assembly (1) relative to the tray bottom assembly (2); The tray bottom assembly (2) includes a bottom plate (13), a floating assembly (15) is installed on the bottom plate (13), and the moving part of the floating assembly (15) is fixedly connected with the middle plate (14); The floating assembly (15) includes a middle shaft (16) and a sliding shaft (19), a ball bushing (16-1) is sleeved on the middle shaft (16), and one sliding sleeve linear bearing (18) is installed at each end of the middle shaft (16); the sliding sleeve linear bearing (18) is sleeved on the sliding shaft (19); The bottom surface of the middle plate (14) is fixedly connected with the ball bushing (16-1); Four limit blocks (13-1) are arranged on the four outer sides of the bottom plate (13) corresponding to the middle plate (14), so as to limit the sliding of the middle plate (14) in X and Y directions.

2. The rear axle assembly pallet of claim 1 wherein: Stop pins (7) are arranged on both sides of the upper bottom plate (5), the stop pins (7) are matched with the bottom plate holes of the tray bottom assembly (2), and the position of the tray upper assembly (1) and the tray bottom assembly (2) is fixed; A set of brake support structures (8) are arranged on both sides of the length direction of the upper bottom plate (5), so as to limit the rear axle. Guide wheels (9) are installed on the bottom surface of the upper bottom plate (5), the guide wheels (9) are clamped in the waist-shaped holes of the middle plate (14), so as to limit the rotation angle of the tray upper assembly (1).

3. The rear axle assembly tray of claim 2, wherein: The brake support structure (8) includes a base (10), a locking pin (11) and an adjusting block (12), the adjusting block (12) is clamped under the base (10) and can move forward and backward, and is locked and fixed by the upper locking pin (11), the adjusting block (12) can be adjusted in height and is locked and fixed by the side locking pin on the side of the block seat of the adjusting block (12).

4. The rear axle assembly tray of claim 3, wherein: The adjusting block (12) includes a block bottom plate and a guide inclined block integrally connected to the block bottom plate.

5. The rear axle assembly tray of claim 3, wherein: The base (10) is provided with a moving slot for the adjusting block (12), and a guide groove is arranged on the bottom surface of the base (10) corresponding to the moving slot, and the bottom surfaces of the adjusting blocks (12) are respectively arranged in the corresponding guide grooves.

6. The rear axle assembly tray of claim 1, wherein: Universal balls (17) are arranged at both ends of the length direction of the bottom plate (13), so as to realize the sliding support of the tray upper assembly (1).

7. The rear axle assembly pallet of claim 1 wherein: The locking rack assembly (3) comprises a long rack (25) arranged between two slide rail assemblies (4) and arranged in parallel with the slide rail assemblies (4); Further comprising a locking frame (20) mounted on the bottom plate (13) of the tray bottom layer assembly (2), an operating rod (22) being rotatably arranged on the locking frame (20), the outer end of the operating rod (22) being rotatably connected with a lifting rod (21), the lower end of the lifting rod (21) being fixedly connected with a short rack (26), the operating rod (22) being capable of driving the short rack (26) to engage or disengage with the long rack (25) through the lifting rod (21).

8. The rear axle assembly tray of claim 7, wherein: The operating rod (22) is connected with the bottom frame of the locking frame (20) through a spring (23), and a limiting rod (24) is further arranged on the locking frame (20).

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