CN222857267U - Automatic steering knuckle bearing tightening machine for chassis assembly production line - Google Patents

Abstract

The utility model discloses an automatic steering knuckle bearing tightening machine for a chassis assembly production line, which belongs to the technical field of automobile chassis production equipment, and comprises a workbench frame, a lifting mechanism, a locking mechanism and a pressing mechanism, wherein the bottom of the lifting mechanism is fixedly connected with the workbench frame, the top of the lifting mechanism is provided with a supporting shaft which can be lifted and used for supporting a workpiece, the locking mechanism is fixedly connected with the workbench frame and is respectively arranged at two ends of the lifting mechanism, the locking mechanism is provided with a clamping positioning plate which can be lifted, the clamping positioning plate extends towards the lifting mechanism, the clamping positioning plate is fixedly connected with a clamping mechanism used for clamping the workpiece, the pressing mechanism is provided with a pressing positioning plate which can be lifted, the pressing positioning plate extends towards the lifting mechanism, a plurality of telescopic floating positioning pins are arranged at the edge positions of the pressing positioning plate so as to be inserted into a workpiece positioning hole, and the tightening mechanism is connected with a manipulator, and the bottom end of the tightening mechanism is provided with a rotary joint used for automatically tightening a bolt on the workpiece.

Description

Automatic steering knuckle bearing tightening machine for chassis assembly production line

Technical Field

The utility model relates to the technical field of automobile chassis production equipment, in particular to an automatic steering knuckle bearing tightening machine for a chassis assembly production line.

Background

The steering knuckle is an important part of a vehicle chassis system, has a connecting function, is provided with related parts, transmits acting force between parts, ensures stable running of an automobile, is provided with a dust blocking disc and a bearing bolt, and is difficult to mass production due to the fact that the next procedure needs to fasten the bolt after the bolt is installed and pre-screwed in the procedure when being assembled, so that the dust blocking disc and the steering knuckle are fixedly connected through the bolt, and the traditional assembly mode is manually screwed in the bolt, which is time-consuming and labor-consuming, low in efficiency and unfavorable for mass production.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, and provides an automatic tightening machine for a steering knuckle bearing of a chassis assembly production line, which is suitable for automatic tightening of left and right parts of a front steering knuckle, a dust blocking disc and a bearing bolt, is convenient for batch production, meets the production beat and has high production efficiency.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model discloses an automatic tightening machine for a steering knuckle bearing of a chassis assembly production line, which comprises the following components:

a work bench;

a lifting mechanism, the bottom of which is fixedly connected with the working bench, the top of which is provided with a supporting shaft capable of lifting and supporting a workpiece, and

The locking mechanism and the pressing mechanism are fixedly connected with the workbench frame and respectively arranged at two ends of the lifting mechanism;

The locking mechanism is provided with a clamping and positioning plate which can be lifted, the clamping and positioning plate extends towards the lifting mechanism, and the clamping and positioning plate is fixedly connected with a clamping mechanism for clamping a workpiece;

The pressing mechanism is provided with a pressing positioning plate which can be lifted, the pressing positioning plate extends towards the lifting mechanism, a plurality of telescopic floating positioning pins are arranged at the edge positions of the pressing positioning plate so as to be inserted into the workpiece positioning holes, and the pressing mechanism also comprises

And the bottom end of the tightening mechanism is provided with an adapter for tightening bolts on the workpiece.

Further, the work bench is located the production line body that work piece circulation was laid to lifting mechanism top, lifting mechanism the back protrusion in the production line body upper surface is stretched out to the back, the work bench is located the work piece and gets into the end and install check mechanism, check assembly is installed at the check mechanism top, the work bench is located the work piece output and installs and block the mechanism, block the mechanism top and install the stopper.

Further, the working bench is located a production line body with work piece circulation arranged above the lifting mechanism, the supporting shaft of the lifting mechanism protrudes out of the upper surface of the production line body after extending out, the working bench is located a work piece output end and is provided with a blocking mechanism, and the top of the blocking mechanism is provided with a stopper.

Furthermore, the working bench works in double working positions, and the clamping positioning plate is provided with two clamping mechanisms.

Further, the lifting mechanism comprises a lifting seat plate, the two ends of the lifting seat plate are provided with the supporting shafts, and the lower part of the lifting seat plate is provided with a driver for providing lifting driving force for the supporting shafts.

Further, a supporting cylinder is arranged between the two drivers at the lower part of the lifting seat plate, the supporting cylinder is fixedly connected with the lifting seat plate through a supporting cylinder seat, and a supporting plugboard is fixedly connected with a piston rod of the supporting cylinder.

Further, the clamping mechanism comprises a sliding seat fixedly connected with the clamping positioning plate and a locking sliding table in sliding connection with the sliding seat;

One side of the sliding seat is connected with a sliding block capable of relatively displacing, a driver is connected between the two sliding blocks and used for separating the two sliding blocks, and a clamping inclined block is arranged on the side, away from the driver, of the sliding block;

And one side of the locking sliding table is relatively provided with a guide inclined block, so that the locking sliding table moves towards the direction of the sliding block, the guide inclined block is in inclined surface contact with the clamping inclined block, and the sliding block is driven to clamp a workpiece.

Further, the upper surface of the clamping positioning plate is fixedly connected with a compressing block, the compressing block is provided with a vertically lifting pressure head, and the workpiece is compressed from the upper side of the workpiece through the pressure head.

Further, the floating locating pin comprises a guide shaft which is hoisted on the compressing locating plate, a spring seat is fixedly connected with the compressing locating plate corresponding to the position of the guide shaft, a spring which drives the guide shaft to extend out is arranged in the spring seat, and a locating pin is fixedly connected with the tail end of the guide shaft.

Further, the tightening mechanism comprises a fixing seat, a connecting disc and a centering mandrel, wherein the connecting disc is fixedly connected to one side of the fixing seat and is used for being connected with a manipulator, the centering mandrel is fixedly connected to the central position of the lower portion of the fixing seat, the fixing seat is located on the periphery of the centering mandrel, a tightening shaft is installed on the periphery of the centering mandrel, and an adapter is installed at the tail end of the tightening shaft.

In the technical scheme, the automatic steering knuckle bearing tightening machine for the chassis assembly production line has the beneficial effects that:

According to the automatic tightening machine designed by the utility model, the lifting mechanism, the locking mechanism, the pressing mechanism and the tightening mechanism are arranged on the working bench, the workpiece is lifted by the lifting mechanism, the workpiece is clamped and pressed from the upper part of the workpiece by the locking mechanism and the pressing mechanism, and the tightening mechanism is connected with the manipulator, so that the automatic tightening of bolts on the workpiece is realized, the batch production is convenient, the production beat is satisfied, and the production efficiency is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of the overall structure of an automatic knuckle bearing tightening machine for a chassis assembly line according to the present disclosure;

FIG. 2 is a front view of the disclosed knuckle bearing automatic screw-down machine for a chassis assembly line with the screw-down mechanism removed;

FIG. 3 is a left side view of the disclosed automatic knuckle bearing tightening machine for a chassis assembly line with the tightening mechanism removed;

FIG. 4 is a top view of the disclosed knuckle bearing automatic screw-down machine for a chassis assembly line with the screw-down mechanism removed;

FIG. 5 is a front view of a steering knuckle bearing automatic screw-down machine lift mechanism for a chassis assembly line of the present disclosure;

FIG. 6 is a cross-sectional view of a steering knuckle bearing automatic screw-down machine lift mechanism for a chassis assembly line in accordance with the present disclosure;

FIG. 7 is a top view of a knuckle bearing automatic screw-down machine lift mechanism for a chassis assembly line of the present disclosure;

FIG. 8 is a front view of a steering knuckle bearing automatic screw-down machine lock mechanism for a chassis assembly line of the present disclosure;

FIG. 9 is a left side view of a steering knuckle bearing automatic screw-down machine lock mechanism for a chassis assembly line of the present disclosure;

FIG. 10 is a top view of a steering knuckle bearing automatic screw-down machine lock mechanism for a chassis assembly line in accordance with the present disclosure;

FIG. 11 is a front view of a knuckle bearing automatic screw-down machine clamping mechanism for a chassis assembly line in accordance with the present disclosure;

FIG. 12 is a left side elevational view in full section of a knuckle bearing automatic screw-down machine clamping mechanism for a chassis assembly line in accordance with the present disclosure;

FIG. 13 is a top view of a knuckle bearing automatic screw-down machine clamping mechanism for a chassis assembly line in accordance with the present disclosure;

FIG. 14 is a front view of a knuckle bearing automatic screw-down machine hold-down mechanism for a chassis assembly line in accordance with the present disclosure;

FIG. 15 is a left side view of a knuckle bearing automatic screw down machine hold down mechanism for a chassis assembly line in accordance with the present disclosure;

FIG. 16 is a top view of a knuckle bearing automatic screw down machine hold down mechanism for a chassis assembly line in accordance with the present disclosure;

FIG. 17 is a schematic view of a floating alignment pin of an automatic knuckle bearing tightening machine for a chassis assembly line in accordance with the present disclosure;

FIG. 18 is a front view of a knuckle bearing automatic screw-down machine screw-down mechanism for a chassis assembly line in accordance with the present disclosure;

Fig. 19 is a left side view of a steering knuckle bearing automatic screw-down machine screw-down mechanism for a chassis assembly line in accordance with the present disclosure.

Reference numerals illustrate:

The device comprises a workbench frame 10, a vertical seat 11, a guide rail 111, a vertical seat 12, a guide rail 121, a production line body 13 and a vertical rod 14;

The lifting mechanism 20, the lifting seat plate 21, the lifting cylinder 22, the first support shaft 23, the second support shaft 24, the round pin support shaft 241, the diamond pin support shaft 242, the support cylinder 25, the support cylinder seat 251, the support insert plate 252, the gasket 26 and the pull head 27;

The clamping device comprises a locking mechanism 30, a sliding table 31, a clamping and positioning plate 32, a locking cylinder 33 and a cylinder seat plate 331;

Clamping mechanism 40, slide 41, longitudinal guide 411, transverse guide 412, locking slide 42, guide ramp 421, clamping cylinder 43, cylinder plate 431, slider 432, slider 44, clamping plate 441, clamping ramp 442, guide shaft 443, spring 444, compression block 45, spring seat 451, ram 452, guide shaft 453, spring 454;

The pressing mechanism 50, the sliding table 51, the pressing positioning plate 52, the pressing cylinder 53, the cylinder seat plate 531, the positioning pin 54, the guide shaft 541, the spring 542 and the spring seat 543;

Tightening mechanism 60, connecting disc 61, fixing seat 62, centering shaft 63, tightening shaft 64, adapter 65;

Check seat plate 70, check assembly 71;

A blocking seat plate 80, and a stopper 81.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

See fig. 1-4;

The utility model relates to an automatic tightening machine for a steering knuckle bearing of a chassis assembly production line, which comprises the following components:

a work bench 10;

A lifting mechanism 20, the bottom of which is fixedly connected with the workbench 10, the top of which is provided with a supporting shaft capable of lifting and supporting a workpiece, and

The locking mechanism 30 and the pressing mechanism 50 are fixedly connected with the workbench 10 and are respectively arranged at two ends of the lifting mechanism 20;

The locking mechanism 30 is provided with a clamping and positioning plate 32 which can be lifted, the clamping and positioning plate 32 extends towards the lifting mechanism 20, and a clamping mechanism 40 for clamping a workpiece is fixedly connected to the clamping and positioning plate 32;

the pressing mechanism 50 has a pressing and positioning plate 52 capable of lifting, the pressing and positioning plate 52 extends toward the lifting mechanism 20, and a plurality of retractable floating positioning pins are arranged at the edge positions so as to be inserted into the workpiece positioning holes, and the pressing and positioning mechanism also comprises

And the screwing mechanism 60 is connected with the manipulator, and an adapter 65 is arranged at the bottom end of the screwing mechanism 60 and is used for screwing a bolt on a workpiece.

Referring to fig. 2-4, specifically, the working bench 10 is in a frame structure, the bottom of the working bench is contacted with the ground through a foundation, the top of the working bench is fixedly connected with a table top, the table top is in a quadrilateral structure, the middle of the working bench is provided with a hollowed structure, the lifting mechanism 20 is installed in the middle of the working bench 10 through a lifting seat plate 21 and is fixedly connected with the table tops at two sides, the lifting seat plate 21 of the lifting mechanism 20 is provided with a supporting shaft, the lower part of the lifting seat plate is fixedly connected with a lifting cylinder 22 through a connecting seat, a piston rod of the lifting cylinder 22 is connected with the supporting shaft through a pull head, when the working bench works, the supporting shaft is driven to lift through the lifting cylinder 22, the lifting mechanisms 20 are uniformly distributed at two sides of the table top of the working bench 10, namely, the two lifting mechanisms 20 can lift workpieces at two sides of the workpieces, and the workpieces in the embodiment relate to automatic screwing of front steering knuckle left and right parts, dust blocking discs and bearing bolts in the prior art;

The two sides of the workbench are respectively provided with a vertical seat 11 and a vertical seat 12, wherein the vertical seat 11 on one side is connected with a locking mechanism 30 in a sliding way through a guide rail 111, the other side is connected with a pressing mechanism 50 in a sliding way through the vertical seat 12, the vertical seat 11 is fixedly connected with a cylinder seat plate 331, the vertical seat 12 is fixedly connected with a cylinder seat plate 531, the vertical seat 11 is fixedly connected with a locking cylinder 33 through the cylinder seat plate 331, the vertical seat 12 is fixedly connected with a pressing cylinder 53 through the cylinder seat plate 531, the vertical seat 11 and the vertical seat 12 drive the locking mechanism 30 and the pressing mechanism 50 to lift through the cylinders, a clamping mechanism 40 is fixedly connected with a clamping positioning plate 32 of the locking mechanism 30, a workpiece is clamped through the clamping mechanism 40, a pressing positioning plate 52 of the pressing mechanism 50 is provided with a floating positioning pin, the floating positioning pin is inserted into a workpiece positioning hole, the angular position of the workbench 10 is fixedly connected with a vertical rod 14, and a switch bracket is arranged on the vertical rod 14;

Referring to fig. 1, a tightening mechanism 60 is located above the work bench 10 and connected to a robot arm, and an adapter 65 is installed at the bottom end of the tightening mechanism 60 for tightening a bolt on a workpiece.

Referring to fig. 1, preferably, the working bench 10 is located above the lifting mechanism 20 and is provided with a production line body 13 for workpiece circulation, a supporting shaft of the lifting mechanism 20 protrudes out of the upper surface of the production line body 13, a check mechanism is installed at the workpiece inlet end of the working bench 10, a check component 71 is installed at the top of the check mechanism, a blocking mechanism is installed at the workpiece outlet end of the working bench 10, and a blocking device 81 is installed at the top of the blocking mechanism. Wherein, the work bench 10 is provided with a blocking mechanism at the output end of the work piece, and a stopper 81 is arranged at the top of the blocking mechanism.

Referring to fig. 4, specifically, a production line body 13 is disposed above a lifting mechanism 20 on a working bench 10, and is used for workpiece circulation, and when in operation, a supporting shaft of the lifting mechanism 20 protrudes out and protrudes out of the upper surface of the production line body 13;

The check mechanism comprises a check seat plate 70 and a check assembly 71, the check mechanism comprises a check seat plate 80 and a stopper 81, the check seat plate 70 and the check seat plate 80 are respectively arranged on the outer sides of the two lifting seat plates 21 on the table surface of the working bench 10, the check seat plate 70 is provided with the check assembly 71, the check assembly 71 is a check assembly with the model number ATBM A-S-PI produced by Misi rice in the prior art, a workpiece is prevented from retreating by the check assembly 71, the stopper 81 is arranged on the stopper seat plate 80, and the stopper 81 is a stopper cylinder with the model number ATBM A-S-PI produced by SMC and used for stopping the workpiece from advancing by the stopper 81.

Referring to fig. 1, preferably, the work bench 10 is double-working, and the clamp positioning plate 32 is provided with two clamping mechanisms 40. The left knuckle and the right knuckle can be clamped simultaneously by the two clamping mechanisms 40.

Referring to fig. 5 to 7, preferably, the lifting mechanism 20 includes a lifting seat plate 21, support shafts are disposed at both ends of the lifting seat plate 21, and a driver is provided at a lower portion of the lifting seat plate 21 for providing a lifting driving force to the support shafts. A supporting cylinder 25 is arranged between the two lifting cylinders 22 at the lower part of the lifting seat plate 21, the supporting cylinder 25 is fixedly connected with the lifting seat plate 21 through a supporting cylinder seat 251, and a supporting plugboard 252 is fixedly connected with a piston rod of the supporting cylinder 25.

Referring to fig. 6, specifically, the support shaft includes a first support shaft 23 and a second support shaft 24, one end of the lifting seat plate 21 is provided with the first support shaft 23 through an oilless bushing, the top end of the first support shaft 23 is provided with a plane for contacting with a workpiece surface, the other end of the lifting seat plate 21 is provided with the second support shaft 24 through an oilless bushing, the second support shaft 24 includes a round pin support shaft 241 and a diamond pin support shaft 242, and the diamond pin support shaft 242 is fixedly connected to the top end of the round pin support shaft 241 for being matched with a workpiece pin hole;

The lower part of the lifting seat plate 21 is provided with a driver, preferably, the driver is a lifting cylinder 22, the lifting cylinder 22 is fixedly connected with the lifting seat plate 21 through a lifting cylinder seat, a piston rod of the lifting cylinder 22 is connected with a supporting shaft through a pull head 27, a gasket 26 is arranged on the pull head 27, and the piston of the lifting cylinder 22 stretches out and draws back to drive the supporting shaft to lift;

a supporting air cylinder 25 is arranged between the two drivers at the lower part of the lifting seat plate 21, the supporting air cylinder 25 is fixedly connected with the lifting seat plate 21 through a supporting air cylinder seat 251, a supporting insertion plate 252 is fixedly connected with a piston rod of the supporting air cylinder 25, and the supporting insertion plate 252 can extend into the lower part of a gasket 26 in the lifting air cylinder 22 seat so as to support a supporting shaft.

Referring to fig. 8 to 13, preferably, the clamping mechanism 40 includes a slide 41 fixedly connected to the clamping and positioning plate 32, and a locking slide 42 slidably connected to the slide 41;

One side of the sliding seat 41 is connected with a sliding block 44 capable of relatively displacing, a driver is connected between the two sliding blocks 44 and used for separating the two sliding blocks 44, and a clamping inclined block 442 is arranged on the side, away from the driver, of the sliding block 44;

The guide inclined block 421 is oppositely arranged on one side of the locking sliding table 42, so that the locking sliding table 42 moves towards the direction of the sliding block 44, and the guide inclined block 421 is in inclined surface contact with the clamping inclined block 442 and drives the sliding block 44 to clamp a workpiece.

Referring to fig. 11-13, specifically, the clamping mechanism 40 is fixedly connected with the clamping positioning plate 32 through a sliding seat 41, the sliding seat 41 is a main body of the clamping mechanism 40, the upper surface of the sliding seat 41 is fixedly connected with a cylinder seat plate 431, a clamping cylinder 43 is fixedly connected with the sliding seat plate 431 through the cylinder seat plate 431, meanwhile, a locking sliding table 42 is slidingly connected with a longitudinal guide rail 411, a piston rod of the clamping cylinder 43 is fixedly connected with the locking sliding table 42, when in operation, the locking sliding table 42 is driven to displace by driving force provided by the clamping cylinder 43, a groove is formed on the side, far away from the clamping cylinder 43, of the locking sliding table 42, and two opposite side walls of the groove are fixedly connected with a guide inclined block 421;

The front end of the sliding seat 41 is connected with two sliding blocks 44 in a sliding manner perpendicular to the displacement direction of the locking sliding table 42 through a transverse guide rail 412, a clamping inclined block 442 is arranged at the top of the sliding block 44, the locking sliding table 42 is in inclined surface contact with a guiding inclined block 421 through the clamping inclined block 442, so that the locking sliding table 42 is displaced towards the sliding block 44, the guiding inclined block 421 is in inclined surface contact with the clamping inclined block 442 and drives the sliding block 44 to clamp a workpiece, the opposite surfaces of the two sliding blocks 44 are fixedly connected with a clamping plate 441 to be in contact with the workpiece through the clamping plate 441, a guiding shaft 443 is connected between the two sliding blocks 44 in a sliding manner, a driver is sleeved on the guiding shaft 443, the driver is a compression spring 444, and after the sliding blocks 44 lose acting force, the two sliding blocks 44 are driven to move towards the deviating direction through the driver, so that the workpiece is loosened;

Referring to fig. 12 and 13, preferably, a pressing block 45 is fixedly connected to the upper surface of the clamping and positioning plate 32, the pressing block 45 is provided with a vertically lifting pressing head 452, and the workpiece is pressed from above the workpiece by the pressing head 452.

Specifically, the upper surface of the clamping and positioning plate 32 between the two sliding blocks 44 is fixedly connected with a pressing block 45, the pressing block 45 is hoisted with a guide shaft 453, the upper surface of the pressing block 45 is fixedly connected with a spring seat 451 corresponding to the position of the guide shaft 453, a spring 454 for driving the guide shaft 453 to extend is arranged in the spring seat 451, and the tail end of the guide shaft 453 is fixedly connected with a pressing head 452;

referring to fig. 14-17, preferably, the floating positioning pin includes a guiding shaft 541 suspended on a compressing positioning plate 52, a spring seat 543 fixedly connected to the compressing positioning plate 52 corresponding to the guiding shaft 541, a spring 542 disposed in the spring seat 543 and driving the guiding shaft 541 to extend, and a positioning pin 54 fixedly connected to the end of the guiding shaft 541.

Specifically, the pressing mechanism 50 includes a sliding table 51 and a pressing positioning plate 52, one side of the pressing positioning plate 52 is slidably connected with a vertical seat 12 installed on the working bench 20 through the sliding table 51, the vertical seat 12 is fixedly connected with a cylinder seat board 531, a pressing cylinder 53 is fixedly connected with the other side of the pressing positioning plate 52 through the cylinder seat board 531, a floating positioning pin is installed at the position corresponding to the clamping mechanism 40, the floating positioning pin includes a guiding shaft 541, the guiding shaft 541 is hoisted at the lower part of the pressing positioning plate 52, a spring seat 543 is fixedly connected with the upper surface of the pressing positioning plate 52 corresponding to the guiding shaft 541, a spring 542 driving the guiding shaft 541 to extend is installed inside the spring seat 543, the end of the guiding shaft 541 is fixedly connected with a positioning pin 54, and the guiding shaft 541 is matched with a positioning hole of a workpiece through the positioning pin 54;

Referring to fig. 18 to 19, the tightening mechanism 60 preferably includes a connection plate 61, a fixing base 62, a tightening shaft 64, an adapter 65, and a centering spindle 63;

One side of the fixing seat 62 is fixedly connected with a connecting disc 61, the fixing seat 62 is connected with a manipulator through the connecting disc 61, a tightening shaft 64 for driving an adapter 65 to rotate is installed on the fixing seat 62, a centering mandrel 63 is fixedly connected to the center position of the lower portion of the fixing seat 62, the tightening shaft 64 is circumferentially installed on the fixing seat 62, and a screwdriver bit is installed at the tail end of the tightening shaft 64 through the adapter 65 and used for tightening bolts.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. An automatic knuckle bearing tightening machine for a chassis assembly line, comprising:

A work bench (10);

A lifting mechanism (20) with the bottom fixedly connected with the working bench (10) and the top provided with a lifting supporting shaft for supporting the workpiece and a lifting mechanism for lifting the working bench

The locking mechanism (30) and the pressing mechanism (50) are fixedly connected with the working bench (10) and respectively arranged at two ends of the lifting mechanism (20);

the locking mechanism (30) is provided with a clamping and positioning plate (32) capable of lifting, the clamping and positioning plate (32) extends towards the lifting mechanism (20), and the clamping and positioning plate (32) is fixedly connected with a clamping mechanism (40) for clamping a workpiece;

the pressing mechanism (50) is provided with a pressing positioning plate (52) which can be lifted, the pressing positioning plate (52) extends towards the lifting mechanism (20) and is provided with a plurality of telescopic floating positioning pins at the edge positions so as to be inserted into the workpiece positioning holes, and the device also comprises

And the screwing mechanism (60) is connected with the manipulator, and an adapter (65) is arranged at the bottom end of the screwing mechanism (60) and is used for screwing the bolt on the workpiece.

2. The automatic knuckle bearing tightening machine for the chassis assembly line according to claim 1, characterized in that;

Work bench (10) are located production line body (13) that work piece circulation was laid to hoist mechanism (20) top, hoist mechanism (20) back protrusion in production line body (13) upper surface stretches out, work bench (10) are located the work piece and enter the end and install check mechanism, check mechanism installs check subassembly (71) at the top, work bench (10) are located the work piece output and install blocking mechanism, stopper (81) are installed at blocking mechanism top.

3. The automatic knuckle bearing tightening machine for the chassis assembly line according to claim 1, characterized in that;

The working bench (10) is located a production line body (13) with work piece circulation arranged above the lifting mechanism (20), the supporting shaft of the lifting mechanism (20) protrudes out of the upper surface of the production line body (13) after extending out, the working bench (10) is located a work piece output end and is provided with a blocking mechanism, and the top of the blocking mechanism is provided with a stopper (81).

4. The automatic knuckle bearing tightening machine for the chassis assembly line according to claim 1, characterized in that;

The working bench (10) works in double modes, and the clamping positioning plate (32) is provided with two clamping mechanisms (40).

5. A knuckle bearing automatic tightening machine for a chassis assembly line according to any one of claims 1-3, characterized in that;

The lifting mechanism (20) comprises a lifting seat plate (21), the two ends of the lifting seat plate (21) are provided with supporting shafts, and the lower part of the lifting seat plate (21) is provided with a driver for providing lifting driving force for the supporting shafts.

6. The automatic knuckle bearing tightening machine for the chassis assembly line of claim 5, wherein;

The lifting seat plate (21) is characterized in that a supporting air cylinder (25) is arranged between the two drivers at the lower part of the lifting seat plate (21), the supporting air cylinder (25) is fixedly connected with the lifting seat plate (21) through a supporting air cylinder seat (251), and a supporting plugboard (252) is fixedly connected with a piston rod of the supporting air cylinder (25).

7. A knuckle bearing automatic tightening machine for a chassis assembly line according to any one of claims 1-3, characterized in that;

The clamping mechanism (40) comprises a sliding seat (41) fixedly connected with the clamping and positioning plate (32), and a locking sliding table (42) in sliding connection with the sliding seat (41);

One side of the sliding seat (41) is connected with a sliding block (44) capable of relatively displacing, a driver is connected between the two sliding blocks (44) and used for separating the two sliding blocks (44), and a clamping inclined block (442) is arranged on the side, away from the driver, of the sliding block (44);

And a guide inclined block (421) is oppositely arranged on one side of the locking sliding table (42), so that the locking sliding table (42) moves towards the direction of the sliding block (44), and the guide inclined block (421) is in inclined surface contact with the clamping inclined block (442) and drives the sliding block (44) to clamp a workpiece.

8. The automatic knuckle bearing tightening machine for the chassis assembly line of claim 7, wherein;

The upper surface of the clamping and positioning plate (32) is fixedly connected with a pressing block (45), the pressing block (45) is provided with a vertically lifting pressure head (452), and the workpiece is pressed from the upper side of the workpiece through the pressure head (452).

9. A knuckle bearing automatic tightening machine for a chassis assembly line according to any one of claims 1-3, characterized in that;

The floating locating pin comprises a guide shaft (541) which is hoisted on the pressing locating plate (52), a spring seat (543) is fixedly connected with the pressing locating plate (52) corresponding to the position of the guide shaft (541), a spring (542) which drives the guide shaft (541) to extend out is arranged in the spring seat (543), and a locating pin (54) is fixedly connected with the tail end of the guide shaft (541).

10. A knuckle bearing automatic tightening machine for a chassis assembly line according to any one of claims 1-3, characterized in that;

The tightening mechanism (60) comprises a fixing seat (62) and a connecting disc (61) fixedly connected to one side of the fixing seat (62) and used for being connected with a manipulator, and a centering mandrel (63), the center position of the lower portion of the fixing seat (62) is fixedly connected with the centering mandrel (63), the fixing seat (62) is located in the circumferential direction of the centering mandrel (63) and provided with a tightening shaft (64), and the tail end of the tightening shaft (64) is provided with an adapter (65).