CN216607896U - Special riveting point device for fork groove joint - Google Patents

Abstract

The utility model discloses a special riveting device for a fork groove joint.A lower positioning device is fixed on a base, an inner cavity of the lower positioning device is a mounting hole of the fork groove joint, and the fork groove joint can rotate after being mounted; a slide seat guide rail is fixed at the upper end of the positioning bracket; the connecting plate can be horizontally connected on the slide carriage guide rail in a sliding way, a proximity switch is fixed on the connecting plate, a transition plate is fixed on the connecting plate in a vertically movable way, and 3 or 6 positioning ball heads are uniformly fixed on the lower end surface of the mounting plate fixed on the transition plate; four upright posts of a fixed supporting plate at the upper end of the riveting point pressure plate device are fixed on a workbench, a TOX gas-liquid boosting cylinder is fixed on the supporting plate, and four guide rods are fixed at the lower end of the supporting plate; the slide plate slides along the guide rod, and the upper end of the slide plate is fixed on a lever of the TOX gas-liquid boosting cylinder; the riveting point pressure disk is fixed at the slide lower extreme, has 6 riveting point drifts on its lower terminal surface. The utility model can reliably prevent the steel ball from falling off under the condition of not increasing any weight, meets the requirement of half shaft light weight and reduces the manufacturing cost.

Description

Special riveting point device for fork groove joint

Technical Field

The utility model belongs to the field of processing and manufacturing of fork groove joints, and relates to a special riveting device for fork groove joints.

Background

In the field of vehicles, particularly high-grade cars, a fork groove joint is used for transmitting power and torque and is a key part of a transmission shaft part rotating at high speed. In order to improve the durability of the half shaft and reduce NVH, most of transmission shafts of high-grade cars are designed by fork groove joints. At present, the fork groove joint adopts a press-fitting adaptive cover to prevent a steel ball from falling off, and the design causes the weight of a half shaft to be obviously increased, the grease consumption to be large and the manufacturing cost to be increased. With the requirement of people on light weight of vehicles and the gradual increase of the output of half shafts, the design of the press-fitting adaptive cover is far from meeting the market requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provide the riveting point device special for the fork groove joint, the device is used for processing the fork groove joint, a steel ball can be reliably prevented from falling off under the condition of not increasing any weight, the requirement of light half shaft weight is met, the manufacturing cost is reduced, and the grease consumption is relatively reduced.

In order to achieve the purpose, the technical solution of the utility model is as follows: a special riveting device for a fork groove joint comprises a lathe bed, a workbench, a base, a riveting pressure plate device, a lower positioning device and a ball groove positioning device; the lower positioning device is fixed on the base, the inner cavity of the lower positioning device is a fork groove section mounting hole, and the fork groove section can rotate after being mounted; the ball groove positioning device comprises a positioning bracket, a slide seat guide rail, a return spring, a connecting plate, a proximity switch, a transition plate, a mounting plate, a positioning ball head and a handle; the positioning bracket is fixed on the workbench, and a sliding seat guide rail is fixed at the upper end of the positioning bracket; the connecting plate can be horizontally connected on the slide carriage guide rail in a sliding way, is fixed on the side wall of the machine body through a return spring, is fixed with a proximity switch and is fixed with a transition plate in a vertically moving way, the mounting plate is fixed on the transition plate, the lower end surface of the mounting plate is uniformly fixed with 3 or 6 positioning bulbs which are correspondingly matched with 3 or 6 channels of the outer ring port of the fork groove joint, and the transition plate is fixed with a handle; the riveting point pressure plate device comprises a TOX gas-liquid boosting cylinder, a supporting plate, four upright posts, a guide rod, a sliding plate and a riveting point pressure plate; the four upright posts are fixed on the workbench, the support plate is fixed on the four upright posts, the TOX gas-liquid boosting cylinder is fixed on the support plate, and the four guide rods are fixed at the lower end of the support plate; the guide holes on the sliding plate penetrate through the guide rods, and the upper ends of the guide holes are fixed on a lever of the TOX gas-liquid boosting cylinder; the riveting pressure plate is fixed at the lower end of the sliding plate, and 6 riveting punches corresponding to the inner end walls of 6 channels of the outer ring of the fork groove joint are arranged on the lower end face of the riveting pressure plate.

Further preferably, the lower positioning device comprises an upper gland, a positioning body, a spline sleeve, a bearing and a bearing bottom cover; a positioning body; the inner cavity of the spline sleeve is in small clearance fit with the handle end of the fork groove section outer ring, the lower end part of the inner cavity of the spline sleeve is a spline matched with the spline of the handle end of the outer ring, the spline is concentrically assembled in the positioning body through a bearing at the lower end part of the inner cavity, and the bearing bottom cover is supported below the bearing and fixed on the bottom surface of the positioning body; the inner cavity of the upper gland is matched with the part below a bearing mounting step on the outer wall of the large port of the outer ring of the fork groove joint, the inner cavity of the spline sleeve and the inner cavity of the upper gland form a fork groove joint mounting hole. Preferably, the handles are installed on two sides of the upper gland, and the lower positioning device is convenient to move. When a workpiece is processed, the fork groove section is arranged in the inner cavities of the upper gland and the spline sleeve, the structure is simple, and the use is very convenient.

Further preferably, the structure that the ball groove positioning device is fixed with the transition plate in a way of moving up and down is as follows: 2 guide sleeves are fixed on the connecting plate; the 2 guide posts are respectively connected in the guide sleeve in a sliding way, and the lower ends of the guide posts are fixed on the transition plate; a spring is arranged between the guide sleeve and the guide post.

Further preferably, the riveting point pressure plate further comprises a positioning plate, a pressing block, an adjusting gasket and a jackscrew; the positioning disc is fixed at the lower end of the sliding plate, and six diameter-variable holes with large diameter at the large end and small diameter at the lower end are uniformly formed in the positioning disc; the riveting point punch is arranged at the lower end part of the reducing hole, an adjusting gasket is padded between the riveting point punch and the step of the reducing hole, a press block is assembled in the reducing hole at the upper end of the riveting point punch in an interference mode, a jackscrew groove is formed in the side wall of the press block, and a jackscrew is fixed on the side wall of the positioning plate and is connected in the jackscrew groove of the riveting point punch in an abutting mode.

When the riveting device is used, the fork groove joint is firstly installed in a fork groove joint installation hole of the lower positioning device, the fork groove joint is rotated to perform coarse positioning, riveting punches of 6 riveting pressure plates are aligned to the inner end walls of 6 channels of an outer ring of the fork groove joint, then a handle of the ball groove positioning device is manually moved, the ball groove positioning device is moved to the upper end of the lower positioning device, the handle is pressed downwards, and a positioning ball head of the ball groove positioning device is inserted into a channel at the port of the outer ring of the fork groove joint, so that the fork groove joint is accurately positioned. And the TOX gas-liquid boosting cylinder presses downwards to push the riveting point pressure plate to descend to contact with the fork groove joint of the processed workpiece, the TOX gas-liquid boosting cylinder presses downwards to apply force to transmit force to the 6 riveting point punching heads to rivet and press the inner end walls of the 6 channels of the outer ring of the fork groove joint, and the inner end walls of the 6 channels of the outer ring of the fork groove joint form 6 riveting points at the positions of the channels to prevent the steel ball from falling off. The fork groove joint processed by the utility model has stable assembly quality, can reliably prevent the steel ball from falling off under the condition of not increasing any weight, meets the requirement of half shaft light weight, reduces the manufacturing cost, relatively reduces the grease consumption, improves the assembly efficiency, and ensures that the vehicle is light in weight, safer and more durable.

Drawings

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

FIG. 2 is a schematic structural view of a lower positioning device according to the present invention;

FIG. 3 is a schematic structural diagram of the ball groove positioning device of the present invention;

fig. 4 is a schematic structural view of the riveting point pressing plate device in the utility model.

Detailed Description

The utility model is further described with reference to specific examples.

As shown in fig. 1 to 4, the present embodiment includes a bed 2, a table 10, a base 11, a rivet point pressing plate device 7, a lower positioning device 8, and a ball groove positioning device 14. The lower positioning device 8 is fixed on the base 11, the inner cavity of the lower positioning device is a fork groove section mounting hole, and the fork groove section can rotate after being mounted. The ball groove positioning device 14 comprises a positioning bracket 13, a sliding seat guide rail 14.1, a return spring (not shown in the figure), a connecting plate 14.2, a proximity switch 16, a transition plate 14.6, a mounting plate 14.7, a positioning ball 14.8 and a handle 14.9. The positioning bracket 13 is fixed to the table 10 by screws, and a slide guide 14.1 is fixed to the upper end thereof. The connecting plate 14.2 is connected to the slide carriage guide rail 14.1 in a horizontally sliding manner, is fixed on the side wall of the machine body through a return spring, is fixed with a proximity switch 16 and a transition plate 14.6 in a vertically movable manner, a mounting plate 14.7 is fixed on the transition plate 14.6, 3 or 6 positioning bulbs 14.8 which are correspondingly matched with 3 or 6 channels of an outer ring port of the fork groove joint are uniformly fixed on the lower end surface of the connecting plate, and a handle 14.9 is fixed on the transition plate 14.6. The riveting point pressure plate device 7 comprises a TOX gas-liquid boosting cylinder 1, a supporting plate 3, four upright posts 4, a guide rod 5, a sliding plate 6 and a riveting point pressure plate 7. Four upright posts 4 are fixed on a workbench 10, a support plate 3 is fixed on the four upright posts 4, a TOX gas-liquid boosting cylinder 1 is fixed on the support plate 3, and four guide rods 5 are fixed at the lower end of the support plate 3. The guide holes on the sliding plate 6 penetrate through each guide rod 5, and the upper end of the guide hole is fixed on the lever 1.1 of the TOX gas-liquid boosting cylinder 1 through a fourth screw 15. The riveting point pressure plate 7 is fixed at the lower end of the sliding plate 6, and 6 riveting point punches 7.5 corresponding to the inner end walls of 6 channels of the outer ring of the fork groove joint are arranged on the lower end surface of the riveting point pressure plate.

Preferably, the lower positioning device 8 comprises an upper gland 8.1, a positioning body 8.4, a spline housing 8.5, a bearing 8.6 and a bearing bottom cover 8.8; and 8.4, a positioning body. The inner cavity of the spline housing 8.5 is in small clearance fit with the handle end of the fork groove section outer ring, the lower end part of the inner cavity is a spline matched with the spline of the handle end of the outer ring, the spline housing is concentrically assembled in the positioning body 8.4 through a bearing 8.6 at the lower end part, and a bearing bottom cover 8.8 is supported below the bearing 8.6 and is fixed on the bottom surface of the positioning body 8.4 through another screw 8.7. The inner cavity of the upper gland 8.1 is matched with the part below the bearing mounting step on the outer wall of the large port of the outer ring of the fork groove section, the upper end surface of the positioning body 8.4 is concentrically fixed by a third screw 8.3, and the inner cavity of the spline sleeve and the inner cavity of the upper gland form a fork groove section mounting hole. Preferably, handles 8.2 are installed on two sides of the upper gland 8.1, so that the lower positioning device 8 can be conveniently moved. When a workpiece is processed, the fork groove section is arranged in the inner cavities of the upper gland 8.1 and the spline housing 8.5, the structure is simple, and the use is very convenient.

Preferably, the structure that the ball groove positioning device 14 can be fixed with the transition plate 14.6 in a way of moving up and down is as follows: 2 guide sleeves 14.4 are fixed on the connecting plate 14.2; 2 guide posts 14.3 are respectively connected in the guide sleeve 14.4 in a sliding way, and the lower ends of the guide posts are fixed on the transition plate 14.6; a spring 14.5 is arranged between the guide sleeve 14.4 and the guide post 14.3.

Preferably, the riveting point pressing plate 7 further comprises a positioning plate 7.1, a pressing block 7.2, an adjusting gasket 7.3 and a top thread 7.4; the positioning disc 7.1 is fixed at the lower end of the sliding plate 6 by a fifth screw 7.6, and six diameter-variable holes with large diameter at the large end and small diameter at the lower end are uniformly formed in the positioning disc; the riveting point punch 7.5 is arranged at the lower end part of the reducing hole, an adjusting gasket 7.3 is padded between the riveting point punch and the step of the reducing hole, a pressing block 7.2 is assembled in the reducing hole at the upper end in an interference manner, a jackscrew groove is formed in the side wall of the pressing block, and a jackscrew 7.4 is fixed on the side wall of the positioning disc 7.1 and is butted in the jackscrew groove of the riveting point punch 7.5.

The above-described embodiments are merely preferred and illustrative, and not restrictive, and any modifications, equivalents, improvements, etc., which come within the spirit and scope of the utility model are intended to be included therein.

Claims (6)

1. The utility model provides a special riveting device of fork pocket festival which characterized in that: the riveting point pressing plate device comprises a lathe body, a workbench, a base, a riveting point pressing plate device, a lower positioning device and a ball groove positioning device; the lower positioning device is fixed on the base, the inner cavity of the lower positioning device is a fork groove section mounting hole, and the fork groove section can rotate after being mounted; the ball groove positioning device comprises a positioning bracket, a slide seat guide rail, a return spring, a connecting plate, a proximity switch, a transition plate, a mounting plate, a positioning ball head and a handle; the positioning bracket is fixed on the workbench, and a sliding seat guide rail is fixed at the upper end of the positioning bracket; the connecting plate can be horizontally connected on the slide carriage guide rail in a sliding way, is fixed on the side wall of the machine body through a return spring, is fixed with a proximity switch and is fixed with a transition plate in a vertically moving way, the mounting plate is fixed on the transition plate, the lower end surface of the mounting plate is uniformly fixed with 3 or 6 positioning bulbs which are correspondingly matched with 3 or 6 channels of the outer ring port of the fork groove joint, and the transition plate is fixed with a handle; the riveting point pressure plate device comprises a TOX gas-liquid boosting cylinder, a supporting plate, four upright posts, a guide rod, a sliding plate and a riveting point pressure plate; the four upright posts are fixed on the workbench, the support plate is fixed on the four upright posts, the TOX gas-liquid boosting cylinder is fixed on the support plate, and the four guide rods are fixed at the lower end of the support plate; the guide holes on the sliding plate penetrate through the guide rods, and the upper ends of the guide holes are fixed on the levers of the TOX gas-liquid boosting cylinder; the riveting pressure plate is fixed at the lower end of the sliding plate, and 6 riveting punches corresponding to the inner end walls of 6 channels of the outer ring of the fork groove joint are arranged on the lower end face of the riveting pressure plate.

2. The special riveting point device for fork pocket joint of claim 1, characterized in that: the lower positioning device comprises an upper gland, a positioning body, a spline sleeve, a bearing and a bearing bottom cover; a positioning body; the inner cavity of the spline sleeve is in small clearance fit with the handle end of the fork groove section outer ring, the lower end part of the inner cavity of the spline sleeve is a spline matched with the spline of the handle end of the outer ring, the spline is concentrically assembled in the positioning body through a bearing at the lower end part of the inner cavity, and the bearing bottom cover is supported below the bearing and fixed on the bottom surface of the positioning body; the inner cavity of the upper gland is matched with the part below a bearing mounting step on the outer wall of the large port of the outer ring of the fork groove joint, the inner cavity of the spline sleeve and the inner cavity of the upper gland form a fork groove joint mounting hole.

3. The special riveting point device for fork groove joints of claim 2, wherein: handles are arranged on two sides of the upper gland.

4. The special rivet device for fork pocket section of claim 1, 2 or 3, characterized in that: the structure that the transition plate is fixed on the ball groove positioning device in a way of moving up and down is as follows: 2 guide sleeves are fixed on the connecting plate; the 2 guide posts are respectively connected in the guide sleeves in a sliding way, and the lower ends of the guide posts are fixed on the transition plate; a spring is arranged between the guide sleeve and the guide post.

5. The special riveting point device for fork groove joints of claim 4, wherein: the riveting point pressure plate also comprises a positioning plate, a pressing block, an adjusting gasket and a jackscrew; the positioning disc is fixed at the lower end of the sliding plate, and six diameter-variable holes with large diameter at the large end and small diameter at the lower end are uniformly formed in the positioning disc; the riveting point punch is arranged at the lower end part of the reducing hole, an adjusting gasket is padded between the riveting point punch and the step of the reducing hole, a press block is assembled in the reducing hole at the upper end of the riveting point punch in an interference mode, a jackscrew groove is formed in the side wall of the press block, and a jackscrew is fixed on the side wall of the positioning plate and is connected in the jackscrew groove of the riveting point punch in an abutting mode.

6. The special rivet device for fork pocket section of claim 1, 2 or 3, characterized in that: the riveting point pressure plate also comprises a positioning plate, a pressing block, an adjusting gasket and a jackscrew; the positioning disc is fixed at the lower end of the sliding plate, and six diameter-variable holes with large diameter at the large end and small diameter at the lower end are uniformly formed in the positioning disc; the riveting point punch is arranged at the lower end part of the reducing hole, an adjusting gasket is padded between the riveting point punch and the step of the reducing hole, a press block is assembled in the reducing hole at the upper end of the riveting point punch in an interference mode, a jackscrew groove is formed in the side wall of the press block, and a jackscrew is fixed on the side wall of the positioning plate and is connected in the jackscrew groove of the riveting point punch in an abutting mode.

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