CN215545072U

CN215545072U - Drilling device for automobile cross shaft

Info

Publication number: CN215545072U
Application number: CN202120972950.6U
Authority: CN
Inventors: 缪依明
Original assignee: Hangzhou Xiaoshan Hongda Auto Parts Co ltd
Current assignee: Hangzhou Xiaoshan Hongda Auto Parts Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-01-18
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a drilling device for an automobile cross shaft, and relates to the technical field of automobile cross shaft machining. According to the utility model, through the cooperation of the third motor, the star-shaped column, the support rod, the sliding balls and the clamping claws, under the elastic resetting characteristic of the spring, the sliding balls are tightly attached to the surface of the star-shaped column, when the highest convex surface on the star-shaped column rotates to be contacted with four groups of sliding balls, the four groups of clamping claws are extended to the maximum under the abutting pressure of the star-shaped column, and when the lowest concave surface on the star-shaped column rotates to be contacted with the four groups of sliding balls, the clamping claws are retracted inwards under the elastic resetting of the spring, so that the automobile cross shaft within a certain size range is tightly clamped by the clamping claws, the manpower and the time are effectively saved, the use range of a cross shaft clamp is enlarged, and the overall cost of the cross shaft drilling device is reduced.

Description

Drilling device for automobile cross shaft

Technical Field

The utility model relates to the technical field of automobile cross shaft machining, in particular to a drilling device for an automobile cross shaft.

Background

The cross shaft is also called as a cross joint, namely a universal joint, the cross shaft type rigid universal joint is a non-constant velocity universal joint widely used on an automobile, the maximum intersection angle of two adjacent shafts is allowed to be 15-20 degrees, the cross shaft type rigid universal joint is a part for realizing variable-angle power transmission, is mainly used for changing the position of the direction of a transmission axis, and is a joint part of a universal transmission device of an automobile driving system, the cross shaft is provided with an axis inner hole and shaft ends in four directions, and during processing, the four shaft ends are required to be punched.

In order to ensure the processing quality, most of the existing automobile cross shaft drilling devices need to manufacture a special cross shaft fixture, most of the existing cross shaft processing fixtures adopt a working mode that a cross shaft is fixed on the fixture and the cross shaft is manually swung in the processing process to change the processing position, the processing by using the special cross shaft fixture is complex in operation and high in requirement on operators, the whole cost of the cross shaft drilling device is increased by using the special cross shaft fixture, then the drilling mechanism is utilized to drill four axes of the cross shaft one by one, and the production efficiency of the drilling device is lower.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide a drilling device for a cross shaft of an automobile, and the drilling device is used for solving the technical problems that the special fixture for the cross shaft is complex in machining operation and high in requirement on operators, the overall cost of the drilling device for the cross shaft is increased due to the special fixture for the cross shaft, and the production efficiency of the drilling device is low due to the fact that the drilling mechanism is used for drilling four axes of the cross shaft one by one.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a be used for car cross axle drilling equipment, includes the workstation, first motor is installed to one side at workstation top, the output of first motor is provided with the pivot, one side of pivot is fixed with a support section of thick bamboo, the third motor is installed to the inner wall that supports a section of thick bamboo, the output of third motor is fixed with the star post, the equal roll connection in star post side four corners department has the bracing piece, and the bracing piece extends to the outside of a support section of thick bamboo, four groups bracing piece and the equal sliding connection of a support section of thick bamboo, four groups all are fixed with the support ring bottom, four groups support ring top and support section of thick bamboo inboard all are connected with the spring, four groups the bracing piece top all is fixed with the gripper jaw, the both ends at workstation top all are provided with fixed subassembly, the inside removal subassembly that is provided with of workstation.

By adopting the technical scheme, the third motor drives the star-shaped column to rotate, so that the sliding balls which are connected in the supporting rod in a rotating mode slide on the star-shaped column, under the elastic resetting characteristic of the spring, the sliding balls are enabled to be tightly attached to the surface of the star-shaped column, when the highest convex surface on the star-shaped column rotates to be in contact with four groups of sliding balls, the four groups of clamping claws are enabled to be extended to the maximum limit under the abutting pressure of the star-shaped column, when the lowest concave surface on the star-shaped column rotates to be in contact with the four groups of sliding balls, the clamping claws are enabled to retract inwards under the elastic resetting of the spring, the automobile cross shaft in a certain size range is tightly clamped through the clamping claws, manpower and time are effectively saved, the use range of a cross shaft clamp is enlarged, and the overall cost of the cross shaft drilling device is reduced.

The utility model is further arranged in that the two groups of fixing assemblies comprise supporting seats, drilling mechanisms are arranged on the inner sides of the two groups of supporting seats, limiting sliding plates in sliding connection with the supporting seats are fixed at one ends of the two groups of drilling mechanisms, first limiting grooves in sliding connection with the limiting sliding plates are formed in the tops of the two groups of supporting seats, a plurality of groups of bolt holes are uniformly distributed on two sides of one end of each of the two groups of supporting seats, and the two groups of supporting seats are connected with the limiting sliding plates through bolts.

By adopting the technical scheme, the drilling mechanism slides up and down in the first limiting groove to adjust the position of the limiting sliding plate, so that the drilling mechanisms (drill bits and rotary tables) on two sides of the automobile cross shaft and the axes of the shafts at two ends of the automobile cross shaft are kept on the same horizontal line, and the drilling mechanisms and the supporting seat are fixed through bolts.

The utility model is further set that the moving assembly comprises a second motor, the second motor is installed at one end of the workbench, a bidirectional screw rod is fixed at the output end of the second motor and is rotationally connected with the workbench, moving seats are sleeved at two ends of the bidirectional screw rod, two groups of the moving seats are fixedly connected with the supporting seat, a matching groove matched with the moving seats is formed in the top of the workbench, limiting blocks are fixed at two sides of the two groups of the moving seats, and second limiting grooves in sliding connection with the limiting blocks are formed in the workbench.

Through adopting above-mentioned technical scheme, clockwise or anticlockwise rotation of second motor drives two-way lead screw and rotates, makes the removal seat that two-way lead screw both ends meshing is connected be close to or keep away from simultaneously to reach and punch simultaneously the car cross axle both ends.

The utility model is further provided that a second support frame is arranged between the first motor and the workbench, and the second support frame and the first motor are fixed through bolts.

Through adopting above-mentioned technical scheme, the second support frame plays the support fixed action to first motor, can make things convenient for first motor to install and dismantle through the bolt fastening.

The utility model is further provided that the outer side of the supporting cylinder is rotatably connected with a first supporting frame, and the first supporting frame is fixed with the workbench.

Through adopting above-mentioned technical scheme, first support frame can play the supporting role to a supporting cylinder.

The utility model is further provided that the third motor is arranged at the central position of the supporting cylinder, and the rotating shaft and the star-shaped column are positioned on the same axis.

Through adopting above-mentioned technical scheme, be in same axis between pivot and the star post and can prevent to appear the error to car cross drilling processing.

In summary, the utility model mainly has the following beneficial effects:

1. the automobile cross shaft drilling device is provided with a third motor, a star-shaped column, a supporting rod, sliding balls and clamping claws, wherein the third motor drives the star-shaped column to rotate, the sliding balls which are connected in the supporting rod in a rotating mode slide on the star-shaped column, the sliding balls are tightly attached to the surface of the star-shaped column under the elastic reset characteristic of a spring, when the highest convex surface on the star-shaped column rotates to be in contact with four groups of sliding balls, the four groups of clamping claws extend to the maximum limit under the abutting pressure of the star-shaped column, and when the lowest concave surface on the star-shaped column rotates to be in contact with the four groups of sliding balls, the clamping claws retract inwards under the elastic reset of the spring, so that an automobile cross shaft within a certain size range is tightly clamped by the clamping claws, the labor and the time are effectively saved, the use range of a cross shaft clamp is enlarged, and the overall cost of the cross shaft drilling device is reduced;

2. the utility model adjusts the position of the limit sliding plate by the matching of the fixed component, the moving component and the first motor and the size of the automobile cross axle in the first limit groove in a vertical sliding way, the drilling mechanisms (drill bits and turntables) at the two sides of the automobile cross shaft and the axes of the shafts at the two ends of the automobile cross shaft are kept at the same horizontal line, and then the drilling mechanisms and the supporting seat are fixed by bolts, the second motor rotates clockwise or anticlockwise to drive the bidirectional screw rod to rotate, so that the movable seats meshed and connected with the two ends of the bidirectional screw rod are simultaneously close to or far away from each other, thereby reach and punch simultaneously to car cross axle both ends, drive through first motor and support a section of thick bamboo rotation ninety degrees, make car cross axle rotate ninety degrees simultaneously, at last through the drilling mechanism at both ends punch once more can, effectively improved cross axle drilling equipment's production efficiency.

Drawings

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

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is a longitudinal cross-sectional view of the present invention;

FIG. 4 is a transverse cross-sectional view of the present invention;

fig. 5 is a partial cross-sectional view of the present invention.

In the figure: 1. a work table; 2. a first motor; 3. a rotating shaft; 4. a fixing assembly; 401. a supporting seat; 402. a first limit groove; 403. bolt holes; 404. a bolt; 405. a drilling mechanism; 406. a limiting sliding plate; 5. a moving assembly; 501. a second motor; 502. a movable seat; 503. a bidirectional screw rod; 504. a mating groove; 505. a limiting block; 506. a second limit groove; 6. a support cylinder; 7. a support bar; 8. a gripper jaw; 9. a star-shaped column; 10. a sliding bead; 11. a spring; 12. a support ring; 13. a first support frame; 14. a third motor; 15. a second support frame.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A drilling device for a cross shaft of an automobile is disclosed, as shown in figures 1, 2, 3, 4 and 5, and comprises a workbench 1, a first motor 2 is installed on one side of the top of the workbench 1, a rotating shaft 3 is arranged at the output end of the first motor 2, a supporting cylinder 6 is fixed on one side of the rotating shaft 3, a third motor 14 is installed on the inner wall of the supporting cylinder 6, a star-shaped column 9 is fixed at the output end of the third motor 14, supporting rods 7 are connected to four corners of the side surface of the star-shaped column 9 in a rolling manner, the supporting rods 7 extend to the outer side of the supporting cylinder 6, four groups of supporting rods 7 are connected with the supporting cylinder 6 in a sliding manner, the third motor 14 drives the star-shaped column 9 to rotate, sliding balls rotatably connected with the supporting rods 7 slide on the star-shaped column 9, supporting rings 12 are fixed at the bottoms of the four groups of supporting rods 7, springs 11 are connected to the tops of the four groups of supporting rings 12 and the inner sides of the supporting cylinder 6, and under the elastic reset characteristic of the springs 11, the sliding balls 10 are tightly attached to the surface of the star-shaped column 9, the clamping claws 8 are fixed at the tops of the four groups of supporting rods 7, when the highest convex surface on the star-shaped column 9 rotates to be in contact with the four groups of sliding balls 10, the four groups of clamping claws 8 are extended to the maximum limit under the abutting pressure of the star-shaped column 9, when the lowest concave surface on the star-shaped column 9 rotates to be in contact with the four groups of sliding balls 10, the clamping claws 8 are retracted inwards under the elastic reset of the springs 11, the automobile cross shaft within a certain size range is tightly clamped through the clamping claws 8, the fixing components 4 are arranged at two ends of the top of the workbench 1, and the moving components 5 are arranged inside the workbench 1.

Referring to fig. 1, 3, 4 and 5, two sets of fixing assemblies 4 include a support base 401, drilling mechanisms 405 are disposed on inner sides of the two sets of support bases 401, a limit sliding plate 406 slidably connected to the support base 401 is fixed at one end of each of the two sets of drilling mechanisms 405, first limit grooves 402 slidably connected to the limit sliding plate 406 are formed at tops of the two sets of support bases 401, a plurality of sets of bolt holes 403 are uniformly distributed on both sides of one end of each of the two sets of support bases 401, the two sets of support bases 401 are connected to the limit sliding plate 406 through bolts 404, the drilling mechanisms 405 slide up and down in the first limit grooves 402 to adjust positions of the limit sliding plates 406, so that the drilling mechanisms 405 (drill bits, rotary tables) on both sides of the automotive cross shaft and axes of the automotive cross shaft are maintained at the same horizontal line, and the drilling mechanisms 405 and the support bases 401 are fixed through the bolts 404.

Referring to fig. 1, 3, 4 and 5, the moving assembly 5 includes a second motor 501, the second motor 501 is installed at one end of the workbench 1, a bidirectional screw 503 is fixed at an output end of the second motor 501, the bidirectional screw 503 is rotatably connected to the workbench 1, moving seats 502 are sleeved at two ends of the bidirectional screw 503, two moving seats 502 are fixedly connected to the supporting seat 401, a matching groove 504 matched with the moving seat 502 is formed at the top of the workbench 1, a limiting block 505 is fixed at two sides of the two moving seats 502, a second limiting groove 506 slidably connected to the limiting block 505 is formed inside the workbench 1, the second motor 501 rotates clockwise or counterclockwise to drive the bidirectional screw 503 to rotate, so that the moving seats 502 engaged with two ends of the bidirectional screw 503 are close to or far away from each other at the same time, thereby simultaneously punching holes at two ends of the automobile cross shaft.

Referring to fig. 5, a second support frame 15 is disposed between the first motor 2 and the workbench 1, the second support frame 15 is fixed to the first motor 2 through bolts, the second support frame 15 supports and fixes the first motor 2, and the first motor can be conveniently mounted and dismounted through the bolts.

Referring to fig. 3, fig. 4 and fig. 5, a first supporting frame 13 is rotatably connected to an outer side of the supporting cylinder 6, and the first supporting frame 13 is fixed to the workbench 1, and the first supporting frame 13 can support the supporting cylinder 6.

Referring to fig. 4 and 5, the third motor is installed at the center of the support cylinder 6, the rotating shaft 3 and the star-shaped post 9 are located on the same axis, and the rotating shaft 3 and the star-shaped post 9 are located on the same axis, so that errors in drilling the cross shaft of the automobile can be prevented.

The working principle of the utility model is as follows: when in use, firstly, a worker starts a third motor 14, the third motor 14 drives the star-shaped column 9 to rotate, through the design of the height of the star-shaped column 9, the sliding balls 10 which are rotatably connected in the supporting rod 7 slide on the star-shaped column 9, under the elastic resetting characteristic of the spring 11, the sliding balls 10 cling to the surface of the star-shaped column 9, when the highest convex surface on the star-shaped column 9 rotates to be contacted with the four groups of sliding balls 10, the third motor 14 is closed, the four groups of clamping claws 8 are extended to the maximum under the abutting pressure of the star-shaped column 9, then the worker puts the automobile cross shaft needing drilling into the four groups of clamping claws 8, then the worker starts the third motor 14 again to rotate the lowest concave surface on the star-shaped column 9 to be contacted with the four groups of sliding balls 10, and also retracts the clamping claws 8 inwards under the elastic resetting of the spring 11, and tightly clamps the automobile cross shaft within a certain size range through the clamping claws 8, the automobile cross shaft is clamped and fixed, the position of a limiting sliding plate 406 is adjusted by sliding the automobile cross shaft up and down in a first limiting groove 402 according to the size of the automobile cross shaft, drilling mechanisms 405 (drill bits and turntables) on two sides of the automobile cross shaft and the axes of shafts on two ends of the automobile cross shaft are kept at the same horizontal line, then the drilling mechanisms 405 and the supporting seats 401 are fixed through bolts 404, a second motor 501 is started, a bidirectional screw 503 is driven to rotate through clockwise or anticlockwise rotation of the second motor 501, moving seats 502 connected with two ends of the bidirectional screw 503 in a meshed mode are enabled to be close to or far away from simultaneously, therefore, simultaneous punching on two ends of the automobile cross shaft is achieved, after punching is finished, the first motor 2 is started through returning two groups of supporting seats 401 for a certain distance, and the first motor drives a supporting cylinder 6 to rotate ninety degrees, the automobile cross shaft is enabled to rotate ninety degrees at the same time, and finally the drilling mechanism 405 at the two ends is used for drilling again, so that the production efficiency of the cross shaft drilling device is effectively improved.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. A drilling device for a cross shaft of an automobile comprises a workbench (1), and is characterized in that: the automatic clamping device is characterized in that a first motor (2) is installed on one side of the top of the workbench (1), a rotating shaft (3) is arranged at the output end of the first motor (2), a supporting cylinder (6) is fixed on one side of the rotating shaft (3), a third motor (14) is installed on the inner wall of the supporting cylinder (6), a star-shaped column (9) is fixed at the output end of the third motor (14), supporting rods (7) are connected to four corners of the side surface of the star-shaped column (9) in a rolling mode and extend to the outer side of the supporting cylinder (6), four groups of supporting rods (7) are connected with the supporting cylinder (6) in a sliding mode, four groups of supporting rods (7) are fixed to the bottom of the supporting rods (7) and are provided with supporting rings (12), four groups of supporting rings (12) and supporting cylinder (6) are connected with springs (11) on the inner sides, four groups of the supporting rods (7) are provided with clamping claws (8), both ends at workstation (1) top all are provided with fixed subassembly (4), workstation (1) inside is provided with removal subassembly (5).

2. The drilling device for the cross shaft of the automobile as claimed in claim 1, wherein: two sets of fixed subassembly (4) are including supporting seat (401), and are two sets of supporting seat (401) inboard all is provided with drilling mechanism (405), and is two sets of drilling mechanism (405) one end all is fixed with spacing slide (406) with supporting seat (401) sliding connection, and is two sets of supporting seat (401) top all is seted up with spacing slide (406) sliding connection's first spacing groove (402), and is two sets of supporting seat (401) one end both sides all evenly distributed have seted up multiunit bolt hole (403), and are two sets of all be connected through bolt (404) between supporting seat (401) and spacing slide (406).

3. The drilling device for the cross shaft of the automobile as claimed in claim 1, wherein: remove subassembly (5) and include second motor (501), second motor (501) are installed to the one end of workstation (1), the output of second motor (501) is fixed with two-way lead screw (503), and two-way lead screw (503) rotate with workstation (1) and be connected, two-way lead screw (503) both ends have all been cup jointed and have been removed seat (502), and are two sets of remove seat (502) all with supporting seat (401) fixed connection, workstation (1) top is seted up and is removed seat (502) matched with groove (504), and is two sets of remove seat (502) both sides and all be fixed with stopper (505), workstation (1) inside all seted up with stopper (505) sliding connection's second spacing groove (506).

4. The drilling device for the cross shaft of the automobile as claimed in claim 1, wherein: a second supporting frame (15) is arranged between the first motor (2) and the workbench (1), and the second supporting frame (15) and the first motor (2) are fixed through bolts.

5. The drilling device for the cross shaft of the automobile as claimed in claim 1, wherein: the outer side of the supporting cylinder (6) is rotatably connected with a first supporting frame (13), and the first supporting frame (13) is fixed with the workbench (1).

6. The drilling device for the cross shaft of the automobile as claimed in claim 1, wherein: the third motor is arranged at the center of the support cylinder (6), and the rotating shaft (3) and the star-shaped column (9) are positioned on the same axis.