CN210452504U

CN210452504U - Assembly tool

Info

Publication number: CN210452504U
Application number: CN201921072877.6U
Authority: CN
Inventors: 麻志东; 赵三虎; 毕士军; 马建平; 刘鹏; 刘涛; 张文新; 赵亮; 赫威; 秦晓伟
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-05-05
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses an assembly fixture, it belongs to automobile manufacturing technical field for strut the knuckle, be equipped with the pilot hole that is used for assembling the traveller on the knuckle, be equipped with the regulation on the pilot hole the regulation clearance of the diameter of pilot hole, assembly fixture includes: the portal frame comprises a cross beam and a supporting arm; the fixing piece is arranged in the supporting arm in a penetrating mode and is used for being connected with the steering knuckle; a feed member passing through the beam and rotatable for vertical movement relative to the beam; the adjusting piece is detachably connected with the feeding piece, and a wedge block is arranged at the tail end of the adjusting piece and is configured to extend into or withdraw from the adjusting gap under the driving of the feeding piece so as to adjust the size of the adjusting gap. The utility model discloses simple structure, low cost, it is easy and simple to handle, be applicable to the small batch volume assembly in whole car development trial-manufacturing stage.

Description

Assembly tool

Technical Field

The utility model relates to an automobile manufacturing technical field especially relates to an assembly fixture.

Background

The front suspension of the automobile is a suspension connected with a front axle of the automobile. Generally, a front suspension of an automobile is provided with a knuckle and a strut. The fit between the steering knuckle and the sliding column is interference fit. One side that is used for the pilot hole of installation traveller on the knuckle is equipped with opening size adjustable regulation clearance, thereby adjusts the diameter of pilot hole big through adjusting the clearance big before the assembly traveller to make the traveller assemble smoothly in the pilot hole. After the assembly is finished, the clearance is adjusted to restore to the original state, and interference fit is formed between the sliding column and the assembly hole.

In mass production, a special hydraulic device is generally adopted to match with a special tool clamp to complete the assembly of the steering knuckle and the sliding column.

However, the special hydraulic device is matched with a special tool clamp, so that the cost is high, the flexibility is low, and the special hydraulic device is suitable for mass production and is not suitable for the development and trial-manufacture stage of the whole vehicle. In the trial-manufacturing stage of the whole vehicle development, an assembly tool with low cost and flexible operation is urgently needed to complete the assembly of the steering knuckle and the sliding column.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an assembly fixture to when having knuckle and traveller assembly among the solution prior art, special hydraulic means cooperation special fixture anchor clamps are with high costs, the flexibility is low, unsuitable whole car development trial-manufacturing stage's technical problem.

As the conception, the utility model adopts the technical proposal that:

the utility model provides an assembly fixture for strut the knuckle, be equipped with the pilot hole that is used for assembling the traveller on the knuckle, be equipped with the regulation on the pilot hole the regulation clearance of the diameter of pilot hole, assembly fixture includes:

the portal frame comprises a cross beam and a supporting arm;

the fixing piece is arranged in the supporting arm in a penetrating mode and is used for being connected with the steering knuckle;

a feed member passing through the beam and rotatable for vertical movement relative to the beam;

the adjusting piece is detachably connected with the feeding piece, and a wedge block is arranged at the tail end of the adjusting piece and is configured to extend into or withdraw from the adjusting gap under the driving of the feeding piece so as to adjust the size of the adjusting gap.

The adjusting part is arranged in the feeding groove, and the adjusting part is driven to move linearly by the rotation of the feeding part.

The mounting clamping groove comprises a first clamping groove arranged at the end part of the adjusting piece and a second clamping groove communicated with the first clamping groove, the sectional area of the first clamping groove is smaller than that of the second clamping groove, and one end of the feeding piece is mounted in the second clamping groove and can rotate in the second clamping groove and drive the adjusting piece to do linear motion.

Wherein, feed the piece including integrative setting and the feeding screw thread section, first joint section and the second joint section that connects gradually, feed the screw thread section with assembly fixture threaded connection, the diameter of first joint section is less than the diameter of feeding the screw thread section just is less than the diameter of second joint section, the second joint section can install in the second draw-in groove, first joint section can install in the first draw-in groove.

Wherein a nut is arranged at the end part of the feeding thread section of the feeding piece.

The beam is provided with a guide post opposite to the extending direction of the supporting arm, the guide post is provided with a feeding hole which is vertical to and penetrates through the beam, and the feeding piece can be arranged in the feeding hole and does spiral motion.

The feeding hole comprises a threaded hole section and a smooth hole section which are communicated, the feeding piece can make spiral motion in the threaded hole section, and the adjusting piece can make linear motion in the smooth hole section.

Wherein, the shape of unthreaded hole section is the square hole.

The support arm is provided with a fixing piece mounting hole, and the fixing piece can penetrate through the fixing piece mounting hole and install the portal frame on the steering knuckle.

And one end of the fixing piece is provided with a limiting cap, and the diameter of the limiting cap is larger than that of the fixing piece mounting hole.

The utility model provides an assembly fixture is connected assembly fixture and knuckle through the mounting, feeds the piece rotation and is vertical motion for the crossbeam to wedge on the drive regulating part stretches into or withdraws from the regulation clearance, with the size in regulation clearance, and then adjusts the diameter of pilot hole. The shape of the wedge-shaped block is matched with the shape of the adjusting gap, the feeding piece is rotated, when the wedge-shaped block extends into the adjusting gap, the adjusting gap is enlarged, the aperture of the assembling hole is enlarged, and the sliding column is conveniently installed in the assembling hole; then the feeding piece is rotated reversely, so that the wedge block is withdrawn from the adjusting gap, the aperture of the assembling hole is reduced, and the sliding column and the assembling hole are in interference fit. The utility model provides an assembly fixture simple structure, low cost, the flexible operation is applicable to the small batch volume assembly in whole car development trial-manufacturing stage.

Drawings

FIG. 1 is a schematic view of an assembly tool provided by an embodiment of the present invention in use;

fig. 2 is a schematic structural diagram of an assembly fixture provided by an embodiment of the present invention;

fig. 3 is an exploded schematic structural diagram of an assembly fixture provided by an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of the feeding member of FIG. 3;

FIG. 5 is a schematic view of the adjustment member of FIG. 3;

FIG. 6 is a front view of the gantry of the present embodiment;

fig. 7 is a schematic structural view of a section a-a of the gantry of fig. 6.

In the figure:

1. a fixing member; 11. a limiting cap;

2. a feeding member; 21. feeding a threaded section; 22. a first clamping section; 23. a second clamping section; 24. a nut;

3. an adjustment member; 31. installing a clamping groove; 311. a first card slot; 312. a second card slot; 32. a wedge block;

4. a gantry; 41. a feed hole; 411. a threaded bore section; 412. a smooth hole section; 42. a fastener mounting hole; 43. a cross beam; 44. a support arm; 45. a guide post;

5. a steering knuckle.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In order to facilitate the assembly of the strut and the knuckle in the trial-manufacture stage of the whole vehicle development, the embodiment provides an assembly fixture for opening the knuckle, which has the advantages of simple structure, low cost and flexible operation.

Referring to fig. 1-5, the knuckle 5 is provided with an assembly hole for assembling a sliding column, the assembly hole is provided with an adjustment gap for adjusting the diameter of the assembly hole, and the assembly tool comprises a fixing part 1, a feeding part 2, an adjusting part 3 and a portal frame 4.

The gantry 4 comprises a beam 43 and a support arm 44. The support arms 44 are provided at both ends of the cross beam 43 and are vertically connected to the support arms 44.

The fixing member 1 is inserted into the support arm 44 for connecting with the knuckle 5.

The feed member 2 passes through the cross member 43 and is rotatable to move vertically relative to the cross member 43.

The adjusting piece 3 is detachably connected with the feeding piece 2, the tail end of the adjusting piece 3 is provided with a wedge block 32, and the wedge block 32 is configured to extend into or withdraw from the adjusting gap under the driving of the feeding piece 2 so as to adjust the size of the adjusting gap, so that the diameter of an assembling hole for assembling the sliding column is increased or decreased. The wedge block 32 at the end of the adjusting part 3 has a smaller cross-sectional area, and faces the adjusting gap, so that the adjusting gap can be gradually expanded, and the wedge block is in surface contact with the side wall of the adjusting gap, so that the contact is stable, and the surface quality of the side wall of the adjusting gap cannot be damaged. Alternatively, in the present embodiment, the overall shape of the adjusting member 3 is substantially rectangular parallelepiped.

In order to realize that the adjusting part 3 can do linear motion when the feeding part 2 performs spiral motion, in this embodiment, one end of the adjusting part 3 close to the feeding part 2 is provided with an installation clamping groove 31, and one end of the feeding part 2 is installed in the installation clamping groove 31 and can rotate in the installation clamping groove 31 and drive the adjusting part 3 to do linear motion. Preferably, the mounting slot 31 is not a through slot, and one end of the mounting slot is provided with a baffle, so that the end of the feeding member 2 can only be loaded into the mounting slot 31 from a side opening without the baffle, and the stability of connection between the two is ensured.

Further, the installation clamping groove 31 includes a first clamping groove 311 disposed at an end of the adjusting member 3 and a second clamping groove 312 communicated with the first clamping groove 311, a cross-sectional area of the first clamping groove 311 is smaller than a cross-sectional area of the second clamping groove 312, and one end of the feeding member 2 is installed in the second clamping groove 312 and can rotate in the second clamping groove 312 and drive the adjusting member 3 to make a linear motion.

Specifically, in this embodiment, the feeding member 2 includes a feeding threaded section 21, a first clamping section 22 and a second clamping section 23 that are integrally arranged and sequentially connected, the feeding threaded section 21 is in threaded connection with the assembly fixture, and the diameter of the first clamping section 22 is smaller than the diameter of the feeding threaded section 21 and smaller than the diameter of the second clamping section 23. Second card section 23 is mountable in second card slot 312 and first card section 22 is mountable in first card slot 311. Further, the end of the threaded feed section 21 of the feeder 2 is provided with a nut 24 to facilitate screwing in of the feeder 2 by a torque wrench.

First joint section 22 joint is in first draw-in groove 311, and second joint section 23 joint is in second draw-in groove 312, and the second joint section 23 that is located second draw-in groove 312 can prevent to feed a 2 along the axial of self and break away from installation draw-in groove 31.

Referring to fig. 6 and 7, further, in order to ensure the linearity of the movement of the feeding member 2, in the present embodiment, the cross beam 43 is provided with a guide post 45 opposite to the extending direction of the supporting arm 44, the guide post 45 is provided with a feeding hole 41 which is vertical and penetrates through the cross beam 43, and the feeding member 2 can be installed in the feeding hole 41 and perform a spiral movement.

Specifically, the feeding hole 41 comprises a threaded hole section 411 and a smooth hole section 412 which are communicated, the feeding piece 2 can make a spiral motion in the threaded hole section 411, and the adjusting piece 3 can make a linear motion in the smooth hole section 412. Further, the shape of the aperture segment 412 is a square aperture. The shape of the unthreaded hole section 412 is a square hole, which is beneficial to the linear motion of the adjusting piece 3.

Meanwhile, the supporting arm 44 is provided with a fixing piece mounting hole 42, and the fixing piece 1 can penetrate through the fixing piece mounting hole 42 and mount the portal frame 4 on the steering knuckle 5. Further, one end of the fixing member 1 is provided with a limit cap 11, and the diameter of the limit cap 11 is larger than that of the fixing member mounting hole 42, so that the fixing member 1 can be prevented from slipping off from the fixing member mounting hole 42.

Optionally, in this embodiment, one fastener mounting hole 42 is provided in each of the two support arms 44.

When the assembly tool provided by the embodiment is used, the fixing member 1, the feeding member 2, the adjusting member 3 and the portal frame 4 are firstly assembled together. The feeding member 2 is screwed into the feeding hole 41 of the portal frame 4, the first clamping section 22 and the second clamping section 23 are exposed out of the feeding hole 41, then the second clamping section 23 and the first clamping section 22 are installed into the installation clamping groove 31 from the side opening of the installation clamping groove 31, and then the first clamping section 22 and the second clamping section 23 are screwed into the feeding hole 41, so that the feeding member 2 and the adjusting member 3 are stably connected together. The portal frame 4 is then mounted on the knuckle 5 by means of the fixing 1, and the torque wrench knob nut 24 is used to bring the wedge 32 into the adjustment gap of the knuckle 5. As the wedge 32 is gradually advanced, the adjustment gap is widened, and the diameter of the fitting hole becomes larger. The spool is then fitted into the fitting hole and the torque wrench is then rotated in the reverse direction so that the wedge 32 exits the adjustment gap.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an assembly fixture for strut knuckle (5), be equipped with the pilot hole that is used for assembling the traveller on knuckle (5), be equipped with the regulation on the pilot hole the regulation clearance of the diameter of pilot hole, its characterized in that, assembly fixture includes:

a gantry (4), the gantry (4) comprising a beam (43) and a support arm (44);

the fixing piece (1) penetrates through the supporting arm (44) and is used for being connected with the steering knuckle (5);

a feed (2), said feed (2) passing through said cross-beam (43) and being rotatable for vertical movement relative to said cross-beam (43);

the adjusting piece (3) is detachably connected with the feeding piece (2), a wedge block (32) is arranged at the tail end of the adjusting piece (3), and the wedge block (32) is configured to extend into or withdraw from the adjusting gap under the driving of the feeding piece (2) so as to adjust the size of the adjusting gap.

2. The assembly tooling of claim 1, wherein an installation clamping groove (31) is formed in one end, close to the feeding piece (2), of the adjusting piece (3), and one end of the feeding piece (2) is installed in the installation clamping groove (31) and can rotate in the installation clamping groove (31) and drive the adjusting piece (3) to do linear motion.

3. The assembly fixture according to claim 2, wherein the mounting clamping groove (31) comprises a first clamping groove (311) arranged at the end of the adjusting part (3) and a second clamping groove (312) communicated with the first clamping groove (311), the cross-sectional area of the first clamping groove (311) is smaller than that of the second clamping groove (312), and one end of the feeding part (2) is mounted in the second clamping groove (312) and can rotate in the second clamping groove (312) and drive the adjusting part (3) to move linearly.

4. The assembly tool according to claim 3, characterized in that the feeding piece (2) comprises a feeding threaded section (21), a first clamping section (22) and a second clamping section (23) which are integrally arranged and sequentially connected, the feeding threaded section (21) is in threaded connection with the assembly tool, the diameter of the first clamping section (22) is smaller than that of the feeding threaded section (21) and smaller than that of the second clamping section (23), the second clamping section (23) can be installed in the second clamping groove (312), and the first clamping section (22) can be installed in the first clamping groove (311).

5. The assembly tooling of claim 4, characterized in that the end of the threaded feed section (21) of the feed member (2) is provided with a nut (24).

6. The assembly tool according to any one of claims 1 to 5, characterized in that a guide post (45) opposite to the extending direction of the support arm (44) is arranged on the cross beam (43), a feeding hole (41) which is vertical and penetrates through the cross beam (43) is arranged on the guide post (45), and the feeding piece (2) can be installed in the feeding hole (41) and can perform spiral motion.

7. The assembly tool according to claim 6, characterized in that the feed hole (41) comprises a threaded hole section (411) and a unthreaded hole section (412) which are communicated, the feed member (2) can make a spiral motion in the threaded hole section (411), and the adjusting member (3) can make a linear motion in the unthreaded hole section (412).

8. The assembly tool according to claim 7, wherein the unthreaded hole section (412) is square in shape.

9. The assembly tooling of claim 6, wherein the support arm (44) is provided with a fixing piece mounting hole (42), and the fixing piece (1) can be arranged in the fixing piece mounting hole (42) in a penetrating manner and can mount the portal frame (4) on the steering knuckle (5).

10. The assembly tooling of claim 9, wherein a limiting cap (11) is arranged at one end of the fixing piece (1), and the diameter of the limiting cap (11) is larger than that of the fixing piece mounting hole (42).