CN112828576A

CN112828576A - Follow-up rotation device of tightening Hub head bolt tightening prevention machine

Info

Publication number: CN112828576A
Application number: CN202110071878.4A
Authority: CN
Inventors: 吴宁强; 吴玲; 上官望义; 孙晋伟; 燕姣; 周扬; 柴健湣; 史锦涛
Original assignee: Xian Aeronautical University
Current assignee: Xian Aeronautical University
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-05-25

Abstract

The invention relates to a follow-up rotation prevention locking device which is designed for preventing a Hub head tightening machine on one side from following rotation when the Hub head tightening machine on the other side tightens a Hub head bolt on an automobile assembly line.

Description

Follow-up rotation device of tightening Hub head bolt tightening prevention machine

Technical Field

The invention relates to the field of automobile assembly, in particular to a device for tightening a Hub head bolt and preventing a tightening machine from following rotation.

Background

In the Hub head tightening machine on the existing automobile assembly line, after a Hub head on one side is firstly tightened, the Hub head on the other side is tightened, the problem of follow-up rotation does not exist, but in order to improve the efficiency, when the Hub head tightening machine adopts the two sides to be tightened simultaneously, because a front axle module is suspended and a left half shaft and a right half shaft are mutually influenced, the two sides can mutually generate interference follow-up rotation, and the simultaneous normal tightening work of the Hub heads on the two sides cannot be realized. The invention provides a set of device which can avoid follow-up rotation interference on two sides, so that a tightening machine can finish tightening a Hub head, the torque requirement is met, the production efficiency is improved, and the cost is reduced.

Disclosure of Invention

The invention provides a device for preventing a tightening machine from following rotation, which overcomes the existing problems in the background technology, can avoid following rotation in the Hub head tightening process, conveniently realizes simultaneous tightening of Hub heads on two sides, and meets the standard requirement of bolt tightening torque; the swinging boom passes through the bolt to be connected with circular positioning disk, circular positioning disk passes through T type bolted rotation with the mount to be connected, circular positioning disk uses high-precision rifle the central axis to rotate as the rotation axis, follows around the rotation axis guide way on the circular positioning disk rotates, the mount bracket passes through the bolt to be connected with the mount, the cylinder binding clasp passes through the bolt fastening on the mount bracket, fan-shaped friction disc passes through bolted connection with circular positioning disk, high-precision rifle is connected with the mount, circular positioning disk is fixed with the adjustment frame, the adjustment frame terminal surface is equipped with the locating pin.

Furthermore, a guide groove is formed in the end face of the circular guide disc, the T-shaped bolt penetrates through the guide groove to rotatably connect the circular guide disc with the fixing frame, and the circular guide disc can rotate around the T-shaped bolt along the guide groove.

Furthermore, the rotating arm can drive the circular guide disc to rotate along the guide groove of the fixing frame, and the rotating arm is used for adjusting the positions of the high-precision gun and the positioning pin.

Furthermore, a gap exists between the circular guide disc and the connecting surface of the fixing frame.

Further, the device also comprises a handle, the handle is connected with the mounting frame through a bolt, and a button switch control air path is arranged on the handle and used for controlling the air pipe of the air cylinder clamping device to ventilate.

Furthermore, a button switch on the handle controls a circuit for controlling the high-definition gun to be turned on and off.

Further, the tail portion of the positioning pin is threaded, the tail portion of the positioning pin can be inserted into the unthreaded hole of the adjusting frame, and the threaded portion of the tail portion of the positioning pin, which exceeds the unthreaded hole, can be screwed through a nut.

The invention has the beneficial effects that: when the two sides of the Hub head are screwed simultaneously, the rotation following in the Hub head screwing process can be avoided, the Hub heads on the two sides can be screwed simultaneously conveniently, and the standard requirement of bolt screwing torque is met.

Drawings

In order to more clearly illustrate the embodiments and technical solutions of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a schematic structural view of a follow-up rotation prevention device;

FIG. 2 is a schematic view of the anti-follow-up device in a certain rotation state;

FIG. 3 is a schematic view of the rotating components of the anti-follow-up device;

FIG. 4 is a schematic view of the fixed components of the anti-follow-up device;

FIG. 5 is a top view of the clamping device;

FIG. 6 is a side view of the clamping device;

FIG. 7 is a schematic view of a fixing frame;

FIG. 8 is a schematic view of a sector friction disc;

FIG. 9 is a schematic view of a mounting bracket;

FIG. 10 is a schematic view of a circular guide plate;

FIG. 11 is a schematic view of a T-bolt.

Description of reference numerals: 1-a handle; 2-high precision gun; 3-a rotating arm; 4-a mounting frame; 5-a cylinder clamp; 6-sector friction disk; 7-a fixing frame; 8-a circular guide disc; 9-an adjusting frame; 10-a positioning pin; 11-T bolt; 12-guide groove.

Detailed Description

In order to better express the purpose, technical scheme and advantages of the patent embodiment of the present invention, the technical scheme of the patent embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the patent embodiment of the present invention.

As shown in fig. 1, the rotating arm 3 is connected with the fixing frame 7 through the high precision gun 2, as shown in fig. 7, the fixing frame 7 is connected with the circular guide plate 8 through the T-shaped bolt 11, as shown in fig. 7, a gap of 0.5mm is formed between the fixing frame 7 and the circular guide plate 8, as shown in fig. 10, the circular guide plate 8 can rotate around the T-shaped bolt 11 along the guide groove, as shown in fig. 3, the rotating arm 3 is connected with the circular guide plate 8, as the rotating arm 3 is rotated, the rotating arm 3 drives the circular guide plate 8 to rotate along the guide groove of the fixing frame 7, the mounting frame 4 is connected with the fixing frame 7 through the bolt, as shown in fig. 4 and 5, the cylinder clamp 5 is fixed on the mounting frame 4 through the bolt, the sector friction disk 6 is connected with the circular guide plate 8 through the bolt, as the rotating arm 3 rotates, the sector friction disk 6 is driven to rotate, the circular guide plate 8 is fixed with the, when a high-precision gun of the tightening machine does not tighten the Hub head bolt, the air cylinder clamp 5 is not ventilated; when the Hub head bolt is tightened to work, the rotating arm 3 is rotated to adjust the positions of the high-precision gun 2 and the positioning pin 10, the positioning pin 10 is aligned with the tire head to be positioned, the air pipe of the air cylinder clamp 5 is ventilated, and the fan-shaped friction disc 6 is clamped and locked by the air cylinder clamp 5 and cannot rotate. The handle 1 is pressed down, the high-precision gun 2 is started, the Hub head bolt is screwed, the interference force of the tightening torque of the high-precision gun 2 on one side to the other side is smaller than the clamping force of the cylinder clamping device 5 to the fan-shaped friction disc 6 during working, the Hub head screwing machines on two sides can be guaranteed to work and screw simultaneously, the mutual interference of the two sides is avoided, and the requirement of the tightening torque is met.

As shown in fig. 1, the device comprises a fan-shaped friction disc 6, a mounting frame 4, an adjusting frame 9, a cylinder clamp 5, a circular guide disc 8, a rotating arm 3, a T-shaped bolt 11 and a positioning pin 10; the swinging boom 3 is connected with circular positioning disk 8 through the bolt, circular positioning disk 8 rotates through T type bolt 11 with mount 7 to be connected, circular positioning disk 8 uses 2 the central axes of high-precision rifle as the rotation axis, follows around the rotation axis guide way on the circular positioning disk 8 rotates, mounting bracket 4 passes through the bolt to be connected with mount 7, cylinder binding clasp 5 passes through the bolt fastening on mounting bracket 4, fan-shaped friction disk 6 passes through bolted connection with circular positioning disk 8, high-precision rifle 2 is connected with mount 7, circular positioning disk 8 is fixed with adjustment frame 9, adjustment frame 9 terminal surface is equipped with locating pin 10.

Preferably, as shown in fig. 8, a guide groove is formed in an end surface of the circular guide disc 8, the T-shaped bolt 11 penetrates through the guide groove to rotatably connect the circular guide disc 8 with the fixed frame 7, and the circular guide disc 8 can rotate around the T-shaped bolt 11 along the guide groove.

Preferably, as shown in fig. 3, the rotating arm 3 can drive the circular guide disc 8 to rotate along the guide slot of the fixing frame 7, so as to adjust the positions of the high-precision gun 2 and the positioning pin 10.

Preferably, there is a gap between the circular guide disc 8 and the connecting surface of the fixing frame 7 as described in fig. 7 and 8.

Preferably, the device shown in fig. 1 further comprises a handle 1, the handle 1 is connected with the mounting frame 4 through a bolt, and a button switch control air passage is arranged on the handle 1 and used for controlling the air pipe of the air cylinder clamp 5 to ventilate.

Preferably, a button switch on the handle 1 controls a circuit for controlling the on and off of the high-definition gun 2.

Preferably, as shown in fig. 1 and fig. 11, the tail of the positioning pin 10 is threaded, the tail of the positioning pin 10 can be inserted into the unthreaded hole of the adjusting frame 9, and the threaded part of the tail of the positioning pin 10, which exceeds the unthreaded hole, can be screwed by a nut.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the details of the embodiments, and the technical solution of the present invention can be modified within the technical idea of the present invention, and these simple modifications also belong to the protection scope of the present invention.

The respective specific technical features described in the above embodiments may be combined in an appropriate manner without contradiction.

Claims

1. A device for tightening a Hub head bolt and preventing a tightening machine from following rotation is characterized by comprising a fan-shaped friction disc (6), a mounting frame (4), an adjusting frame (9), a cylinder clamp (5), a circular guide disc (8), a rotating arm (3), a T-shaped bolt (11) and a positioning pin (10); the utility model discloses a high accuracy rifle, including swinging boom (3), round deflector (8) and mount (7), the swinging boom is connected with round deflector (8) through bolt and round guide plate (8), round deflector (8) use high accuracy rifle (2) the central axis to rotate through T type bolt (11) with mount (7) and are connected, round deflector (8) are followed around the rotation axis the guide way on round deflector (8) rotates, mounting bracket (4) are connected with mount (7) through the bolt, cylinder binding clasp (5) are fixed on mounting bracket (4) through the bolt, fan-shaped friction disk (6) pass through bolted connection with round deflector (8), high accuracy rifle (2) are connected with mount (7), round deflector (8) are fixed with adjustment frame (9), adjustment frame (9) terminal surface is equipped with locating pin (10).

2. The device for preventing the follow-up rotation of the Hub bolt tightening machine during tightening of the Hub head bolt as claimed in claim 1, wherein a guide groove is formed in the end surface of the circular guide disc (8), the T-shaped bolt (11) penetrates through the guide groove to rotatably connect the circular guide disc (8) with the fixed frame (7), and the circular guide disc (8) can rotate around the T-shaped bolt (11) along the guide groove.

3. The device for tightening Hub head bolts and preventing the follow-up rotation of the tightening machine according to claim 1, wherein the rotating arm (3) can drive the circular guide disc (8) to rotate along the guide slot of the fixing frame (7) for adjusting the positions of the high-precision gun (2) and the positioning pin (10).

4. The device for tightening Hub head bolts to prevent the tightening machine from running back according to claim 1, wherein a gap exists between the connecting surfaces of the circular guide disk (8) and the fixing frame (7).

5. The device for tightening the Hub head bolt to prevent the tightening machine from turning along according to claim 1, further comprising a handle (1), wherein the handle (1) is connected with the mounting frame (4) through a bolt, and a button switch control air passage is arranged on the handle (1) and used for controlling air pipe ventilation of the air cylinder clamp (5).

6. The handle (1) according to claim 5, wherein the handle (1) is provided with a button switch for controlling the circuit, and the button switch is used for controlling the opening and closing of the high-definition gun (2).

7. The device for tightening Hub head bolts to prevent the tightening machine from following up according to claim 1, wherein the tail of the positioning pin (10) is threaded, the tail of the positioning pin (10) can be inserted into the unthreaded hole of the adjusting bracket (9), and the threaded portion of the tail of the positioning pin (10) beyond the unthreaded hole can be tightened by a nut.