CN216803294U

CN216803294U - Vehicle frame bushing drawing mechanism

Info

Publication number: CN216803294U
Application number: CN202220016617.2U
Authority: CN
Inventors: 张文来; 彭小明; 郭敬; 马宏波; 林涛; 朱振友
Original assignee: Jiangsu Beiren Intelligent Manufacturing Technology Co ltd
Current assignee: Jiangsu Beiren Intelligent Manufacturing Technology Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-06-24
Anticipated expiration: 2032-01-05

Abstract

The utility model belongs to the technical field of manufacturing of frame bushing drawing equipment, and particularly relates to a frame bushing drawing mechanism which comprises a balance crane and a plurality of drawing baffles of different types, wherein a 7-shaped boom is rotatably arranged at the free end of the balance crane through a vertical shaft, a drawing hydraulic cylinder is arranged at the free end of the boom through a first horizontal shaft, an installation mechanism is arranged on the end surface, facing towards a drawing rod, of the cylinder body of the drawing hydraulic cylinder, the drawing baffles are installed on the cylinder body of the drawing hydraulic cylinder through the installation mechanism, a handle is arranged at one end, facing away from the drawing rod, of the cylinder body of the drawing hydraulic cylinder, a switch for controlling the drawing hydraulic cylinder is arranged on the handle, a support table is fixedly arranged in the stroke range of the balance crane, and a drawing baffle placing area and a frame placing area are arranged on the support table.

Description

Vehicle frame bushing drawing mechanism

Technical Field

The utility model belongs to the technical field of manufacturing of vehicle frame bushing drawing equipment, and particularly relates to a vehicle frame bushing drawing mechanism.

Background

Nowadays, with the accelerated development of modern economy, the living standard of people is increasingly improved, the demand of automobile products is gradually increased, and the production speed, stability and quality of the products are put to the first place of production under the large trend.

At present, because the mounting positions and the directions of the frame bushings are different, when the bushings are required to be detached from a frame in the repair process, a large number of presses are used, the mechanism is complex, so that the frame bushing detaching tool is generally designed into a special tool, and a large amount of cost is increased if the special bushing detaching tool is used, so that a reliable, universal and convenient mode needs to be designed to realize the disassembling function of the frame bushing press mounting of the NG product bushings.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, designs a frame bushing drawing mechanism in a mode of matching a drawing hydraulic cylinder with a drawing baffle, has a flexible self-adaptive function under the condition that a press is unstable according to the size of a product and the position of a product tool, and solves the problem that the existing bushing dismounting tool is a special tool, so that a large amount of cost is increased.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a frame bush drawing mechanism, hangs the baffle of drawing with a plurality of model differences including the balance, the free end that the balance was hung is equipped with the jib of 7 types through vertical rotation of axle, the free end of jib is equipped with through first horizontal axis and draws the pneumatic cylinder, be equipped with installation mechanism on drawing the cylinder body of pneumatic cylinder towards the terminal surface of drawing the pole, draw the baffle and pass through installation mechanism installs on drawing the cylinder body of pneumatic cylinder, draw on the cylinder body of pneumatic cylinder dorsad the one end of drawing the pole is equipped with the handle, be equipped with the switch that the pneumatic cylinder was drawn in control on hand the stroke range internal fixation that the balance was hung is equipped with a supporting bench, it places the district and the frame is placed the district to be equipped with on the supporting bench to draw the baffle.

Preferably, the balance hanger comprises a support rod which is vertically and fixedly arranged, the upper section of the support rod is rotatably connected with a first transverse rod A and a first transverse rod B which are parallel to each other through two second horizontal shafts, one ends of the first transverse rod A and the first transverse rod B, far away from the support rod, are rotatably connected with the same connecting seat through a third horizontal shaft, one end of the connecting seat, far away from the first transverse rod A, is rotatably connected with a second transverse rod through a vertical shaft, one end of the second transverse rod, far away from the connecting seat, is provided with the suspension rod, one side of the support rod, back to the first transverse rod A, is radially provided with a supporting seat, the supporting seat is provided with a vertical balance cylinder, the bottom end of the balance cylinder is rotatably connected with the supporting seat, the first transverse rod A is positioned above the first transverse rod B, and the two ends of the first transverse rod A are rotatably connected with the support rod, one end of the first cross rod A, which is far away from the connecting seat, is rotatably connected with the top end of the piston rod of the balance cylinder.

Preferably, the tip of jib is equipped with angle micromatic setting, angle micromatic setting includes the casing, be equipped with in the casing worm and with worm meshed's worm wheel, the coaxial fixed connection of worm wheel first horizontal axis.

Preferably, an adjusting disc is arranged outside the shell, and the adjusting disc is coaxially and fixedly connected with one end of the worm.

Preferably, the drawing baffle is a cylindrical sleeve with openings at two ends, one end of the cylindrical sleeve is installed on the cylinder body of the drawing hydraulic cylinder through the installation mechanism, and the drawing rod axially penetrates through the cylindrical sleeve.

Preferably, be equipped with the arch on the outer periphery of tube-shape cover, installation mechanism including locate on the terminal surface of drawing the cylinder body of pneumatic cylinder with first screw hole in the arch, the bolt runs through first screw hole on the cylinder body of drawing the pneumatic cylinder with first screw hole in the arch is connected draw the cylinder body of pneumatic cylinder with the tube-shape cover.

Preferably, a scrap collecting box is arranged on the supporting platform, and the drawing baffle placing area is arranged in the center of the supporting platform.

Preferably, one end of the drawing rod, which is far away from the drawing hydraulic cylinder, is radially provided with a second threaded hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model designs a frame bushing drawing mechanism by adopting a mode of matching a drawing hydraulic cylinder with a drawing baffle, has a flexible self-adaptive function of a press according to the size of a product and the unstable position of a product tool, and solves the problem that the cost is greatly increased because the existing bushing dismounting tools are special tools.

2. The utility model can balance the weight of the drawing hydraulic cylinder through the balance cylinder, and can control the height of the drawing hydraulic cylinder through adjusting the balance cylinder.

3. The angle adjusting device can realize that the drawing hydraulic cylinder is lifted up or declined to be vertical, and can realize large-angle adjustment to accommodate the drawing of the bushings in various directions.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a hydraulic drawing cylinder according to the present invention;

FIG. 3 is a schematic view of a support table;

fig. 4 is a schematic view of an internal structure of the angle fine-tuning device.

Wherein, 1, a suspender; 2. drawing hydraulic cylinders; 3. pulling the rod; 4. a handle; 5. a switch; 6. a support table; 7. a first horizontal axis; 8. a strut; 9. a second horizontal axis; 10. a first cross bar A; 11. a first cross bar B; 12. a third horizontal axis; 13. a connecting seat; 14. a second cross bar; 15. a supporting seat; 16. a balance cylinder; 17. a piston rod; 18. a housing; 19. a worm; 20. a worm gear; 21. an adjusting disk; 22. a cylindrical sleeve; 23. a protrusion; 24. a first threaded hole; 25. a bolt; 26. a waste collection tank; 27. and a second threaded hole.

Detailed Description

Referring to fig. 1-4, a frame bush drawing mechanism, including the balanced baffle of drawing that hangs and a plurality of model difference, the free end that the balanced hanging is equipped with 7 style of calligraphy jib 1 through vertical rotation of axle, the free end of jib 1 is equipped with through first horizontal axis 7 and draws pneumatic cylinder 2, be equipped with installation mechanism on drawing the cylinder body of pneumatic cylinder 2 towards the terminal surface of pulling rod 3, draw the baffle and pass through installation mechanism installs on drawing the cylinder body of pneumatic cylinder 2, draw on the cylinder body of pneumatic cylinder 2 dorsad the one end of pulling rod 3 is equipped with handle 4, be equipped with the switch 5 that the pneumatic cylinder 2 was drawn in control on the handle 4 balanced stroke internal fixation that hangs is equipped with brace table 6, it places the district and the frame and places the district to be equipped with on brace table 6 to draw the baffle.

In this embodiment, during the use, put the frame that will need to be reprocessed on a supporting bench 6, operating personnel holds handle 4 and removes, the balanced first horizontal axis 7 that hangs on the vertical axis cooperation jib 1 that sets up can realize drawing pneumatic cylinder 2 and carry out 360 no dead angles rotations, make things convenient for manual operation, the manual work will be drawn threaded rod 3 and insert frame bush centre bore, will draw the baffle lock on drawing rod 3, the button start on the operating handle 4 draws pneumatic cylinder 2 and draws (also be exactly with bush follow frame dismantlement), the head contact frame that draws pneumatic cylinder 2 bears the extrusion force of drawing, the effort is the internal force, handle 4 does not receive the effort, operating personnel only need to hold can, need not the operating personnel application of force.

As a preferable mode, the balance hanger comprises a vertically fixedly arranged support rod 8, the upper section of the support rod 8 is rotatably connected with a first cross rod a10 and a first cross rod B11 which are parallel to each other through two second horizontal shafts 9, the first cross rod B11 is used as an auxiliary effect, the force borne by each second horizontal shaft 9 is smaller than that borne by a first cross rod, the deformation of the second horizontal shaft 9 is avoided, one end of each of the first cross rod a10 and the first cross rod B11, which is far away from the support rod 8, is rotatably connected with the same connecting seat 13 through a third horizontal shaft 12, one end of the connecting seat 13, which is far away from the first cross rod a10, is rotatably connected with a second cross rod 14 through a vertical shaft, one end of the second cross rod 14, which is far away from the connecting seat 13, is provided with the suspension rod 1, and the arrangement of the connecting seat 13 enables the first cross rod a10 and the first cross rod B11 to cooperatively control the second cross rod 14, back on branch 8 one side of first horizontal pole A10 radially is equipped with supporting seat 15, be equipped with vertical balance cylinder 16 on the supporting seat 15, balance cylinder 16's bottom with supporting seat 15 rotates to be connected, first horizontal pole A10 is located first horizontal pole B11's top, between the both ends of first horizontal pole A10 with branch 8 rotates to be connected, first horizontal pole A10 is kept away from the one end of connecting seat 13 with the top of balance cylinder 16's piston rod 17 rotates to be connected, can balance through balance cylinder 16 and fall the weight of drawing pneumatic cylinder 2, also can control the height of drawing pneumatic cylinder 2 through adjustment balance cylinder 16 simultaneously.

As a preferable mode, an angle fine-tuning device is arranged at an end of the boom 1, the angle fine-tuning device can enable the drawing hydraulic cylinder 2 to be lifted up or down to be vertical, and can enable large-angle adjustment to accommodate bushing drawing in various directions, the angle fine-tuning device includes a housing 18, a worm 19 and a worm wheel 20 engaged with the worm 19 are arranged in the housing 18, as shown in fig. 4, the worm wheel 20 is coaxially and fixedly connected with the first horizontal shaft 7, fine tuning is achieved through cooperation of the worm wheel 20 and the worm 19, and the thread pitch on the worm 19 and the tooth pitch on the worm wheel 20 can be processed according to practical application scenarios.

As a preferable mode, as shown in fig. 4, an adjusting disc 21 is provided outside the housing 18, the adjusting disc 21 is coaxially and fixedly connected to one end of the worm 19, and the adjusting disc 21 is provided as a labor-saving mechanism, so that an operator can conveniently rotate the worm 19 to adjust the inclination of the drawing hydraulic cylinder 2.

As a preferable mode, the drawing baffle is a cylindrical sleeve 22 with two open ends, one end of the cylindrical sleeve 22 is mounted on the cylinder body of the drawing hydraulic cylinder 2 through the mounting mechanism, the drawing rod 3 axially penetrates through the cylindrical sleeve 22, so that when the bushing is drawn, the open edge of the cylindrical sleeve 22 is abutted against the frame, the bushing is drawn out from the frame by the drawing rod 3, and the bushing passes through the inside of the cylindrical sleeve 22 in the drawing process.

As a preferable mode, as shown in fig. 2, a protrusion 23 is provided on the outer circumferential surface of the cylindrical sleeve 22, the mounting mechanism includes a first threaded hole 24 provided on the end surface of the cylinder body of the drawing hydraulic cylinder 2 and on the protrusion 23, a bolt 25 penetrates through the first threaded hole 24 on the cylinder body of the drawing hydraulic cylinder 2 and the first threaded hole 24 on the protrusion 23 to connect the cylinder body of the drawing hydraulic cylinder 2 and the cylindrical sleeve 22, and through the arrangement of the first threaded hole 24 and the bolt 25, different cylindrical sleeves 22 can be replaced to match different models of frames and bushes according to actual conditions.

As a preferable mode, as shown in fig. 3, a scrap collecting box 26 is provided on the supporting platform 6 for placing scrap during the process of drawing the bush, and since the carriage is required to cooperate with the drawing hydraulic cylinder 2, the drawing baffle placing area is provided at the center of the supporting platform 6, and the carriage placing area is provided at the edge portion of the supporting platform 6, so as to facilitate the drawing of the bush.

As a preferable mode, one end of the pulling rod 3, which is far away from the pulling hydraulic cylinder 2, is provided with a second threaded hole 27 in the radial direction, and by providing the second threaded hole 27, the bushing is clamped on the pulling rod 3 through a clamping strip or a clamping bolt penetrating through the second threaded hole 27 in the pulling process, so that the bushing can move together with the pulling rod 3 to leave the frame in the pulling process.

Claims

1. A drawing mechanism for a frame bushing is characterized by comprising a balance crane and a plurality of drawing baffle plates with different types, the free end of the balance crane is rotatably provided with a 7-shaped suspender (1) through a vertical shaft, the free end of the suspender (1) is provided with a drawing hydraulic cylinder (2) through a first horizontal shaft (7), an installation mechanism is arranged on the end surface of the cylinder body of the drawing hydraulic cylinder (2) facing the drawing rod (3), the drawing baffle is arranged on the cylinder body of the drawing hydraulic cylinder (2) through the mounting mechanism, a handle (4) is arranged at one end of the cylinder body of the drawing hydraulic cylinder (2) back to the drawing rod (3), a switch (5) for controlling the drawing hydraulic cylinder (2) is arranged on the handle (4), a supporting table (6) is fixedly arranged in the stroke range of the balance crane, and a drawing baffle placing area and a frame placing area are arranged on the supporting table (6).

2. The frame bushing pulling mechanism according to claim 1, wherein the balance hanger comprises a vertically and fixedly arranged support rod (8), the upper section of the support rod (8) is rotatably connected with a first cross rod A (10) and a first cross rod B (11) which are parallel to each other through two second horizontal shafts (9), one ends of the first cross rod A (10) and the first cross rod B (11) far away from the support rod (8) are rotatably connected with the same connecting seat (13) through a third horizontal shaft (12), one ends of the connecting seats (13) far away from the first cross rod A (10) are rotatably connected with a second cross rod (14) through a vertical shaft, one ends of the second cross rod (14) far away from the connecting seat (13) are provided with the hanger rod (1), and one side of the support rod (8) back to the first cross rod A (10) is radially provided with a support seat (15), be equipped with vertical balance cylinder (16) on supporting seat (15), the bottom of balance cylinder (16) with supporting seat (15) rotate to be connected, first horizontal pole A (10) are located the top of first horizontal pole B (11), between the both ends of first horizontal pole A (10) with branch (8) rotate to be connected, first horizontal pole A (10) are kept away from the one end of connecting seat (13) with the top of piston rod (17) of balance cylinder (16) is rotated and is connected.

3. The frame bushing pulling mechanism according to claim 1, characterized in that the end of the suspension rod (1) is provided with an angle fine-tuning device, the angle fine-tuning device comprises a housing (18), a worm (19) and a worm wheel (20) engaged with the worm (19) are arranged in the housing (18), and the worm wheel (20) is coaxially and fixedly connected with the first horizontal shaft (7).

4. A frame bushing pulling mechanism according to claim 3, characterized in that an adjusting disc (21) is arranged outside the housing (18), and the adjusting disc (21) is coaxially and fixedly connected with one end of the worm (19).

5. The drawing mechanism of the frame bushing according to claim 1, characterized in that the drawing baffle is a cylindrical sleeve (22) with two open ends, one end of the cylindrical sleeve (22) is mounted on the cylinder body of the drawing hydraulic cylinder (2) through the mounting mechanism, and the drawing rod (3) axially penetrates through the cylindrical sleeve (22).

6. The drawing mechanism of the frame bushing as claimed in claim 5, wherein a protrusion (23) is provided on the outer circumferential surface of the cylindrical sleeve (22), the mounting mechanism includes a first threaded hole (24) provided on the end surface of the cylinder body of the drawing hydraulic cylinder (2) and on the protrusion (23), and a bolt (25) penetrates through the first threaded hole (24) on the cylinder body of the drawing hydraulic cylinder (2) and the first threaded hole (24) on the protrusion (23) to connect the cylinder body of the drawing hydraulic cylinder (2) and the cylindrical sleeve (22).

7. A carriage bushing pulling mechanism according to claim 1, characterized in that said support platform (6) is provided with a scrap collecting box (26), and said pulling baffle placement area is provided in the center of said support platform (6).

8. The frame bushing pulling mechanism according to claim 1, characterized in that a second threaded hole (27) is radially formed at one end of the pulling rod (3) away from the pulling hydraulic cylinder (2).