CN218904258U

CN218904258U - Automatic screw up functional device

Info

Publication number: CN218904258U
Application number: CN202223415734.5U
Authority: CN
Inventors: 颜经; 陈国祥
Original assignee: Nanjing Inshine Technology Development Co ltd
Current assignee: Nanjing Inshine Technology Development Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-04-25
Anticipated expiration: 2032-12-20

Abstract

The utility model provides an automatic screwing function device which comprises a bolt screwing device and a nut screwing device which are matched, wherein the bolt screwing device and the nut screwing device are both fixed on a fixed seat, a displacement mechanism for adjusting the bolt screwing device and the nut screwing device is arranged on the fixed seat, and the bolt screwing device is driven by a motor. The utility model effectively solves the problems of difficult holding of the tightening gun by an operator, easy injury of the operator, low operation safety, inaccurate alignment of manual holding of the tightening gun and poor tightening quality, and the torque arm is tightened to fix the bolt in place by the fixing action of the motor; convenient use, simple operation, low maintenance cost and long service life.

Description

Automatic screw up functional device

Technical Field

The utility model relates to the technical field of automobile manufacturing, in particular to an automatic screwing functional device.

Background

In the automobile manufacturing industry, in order to ensure the connection strength between parts, a tightening gun is generally required to be used for tightening, when the tightening gun is used for tightening an automobile differential bushing, a larger reaction force is generated when the tightening torque reaches more than 100N, an operator is difficult to hold the tightening gun, the operator is extremely easy to be injured, the operation safety is low, the manual holding of the tightening gun is inaccurate in operation alignment, and the tightening quality is poor.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides the automatic screwing function device which is convenient to use, simple to operate, low in maintenance cost, long in service life, capable of improving production quality and efficiency and reducing labor cost.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an automatic screw up functional device, is including the bolt tightening device and the nut tightening device that the cooperation set up, bolt tightening device and nut tightening device all are fixed in on the fixing base, be provided with the displacement mechanism that is used for adjusting bolt tightening device and nut tightening device on the fixing base, bolt tightening device is rotated by motor drive.

Further, the bolt tightening device is fixedly arranged on the first support, the bolt tightening device comprises a motor fixedly arranged on the first support, one end of the rotating shaft protecting sleeve is fixedly connected with the rotating shaft of the motor, the other end of the rotating shaft protecting sleeve is connected with a connecting block for placing a bolt through a spring, and the connecting block can coaxially rotate with the rotating shaft protecting sleeve.

Further, the nut tightening device is fixedly arranged on the second support, the nut tightening mechanism comprises a shaft sleeve fixedly arranged on the second support, one end of the fixed shaft is fixedly connected with the shaft sleeve, and a magnetic block for placing a nut is fixedly arranged at the other end of the fixed shaft; the fixed shaft is of a hollow structure.

Further, the displacement mechanism comprises a sliding rail component fixedly arranged on the fixing seat, and the first support or the second support is arranged on the sliding rail and can move along the sliding rail.

Further, the displacement mechanism further comprises an air cylinder axially arranged along the sliding rail assembly, and the tail end of the telescopic rod of the air cylinder is fixedly connected with the side surface of the first support or the side surface of the second support and used for pushing the first support or the second support to move on the sliding rail assembly.

Further, a plurality of stop blocks are fixedly arranged on the fixing seat, and the stop blocks are of L-shaped structures and are used for limiting the limiting movement distance of the first support or the second support.

Further, a buffer block is fixedly arranged on the stop block, and a gasket for adjusting is arranged between the stop block and the buffer block.

Further, the device further comprises a plurality of L-shaped connecting blocks, the bolt tightening device is fixed on the first support through the L-shaped connecting blocks, and the nut tightening device is fixed on the second support through the L-shaped connecting blocks.

Compared with the prior art, the utility model has the beneficial effects that: the problems that an operator is difficult to hold the tightening gun, the operator is extremely easy to be injured, the operation safety is low, the manual operation of holding the tightening gun is inaccurate in alignment, and the tightening quality is poor are effectively solved, and the torque arm is tightened to fix the bolt in place by the aid of the power provided by the motor; convenient use, simple operation, low maintenance cost and long service life.

Drawings

The disclosure of the present utility model is described with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. In the drawings, like reference numerals are used to refer to like parts. Wherein:

FIG. 1 is a schematic view of the overall structure of an automatic tightening device;

FIG. 2 is a schematic view of a slide rail assembly of an automatic tightening device and a nut tightening device;

fig. 3 is a schematic structural view of a slide rail assembly and a bolt tightening device of an automatic tightening function device.

Reference numerals in the drawings: the device comprises a 1-bolt tightening device, a 11-rotating shaft protective sleeve, a 12-connecting block, a 13-spring, a 2-nut tightening device, a 21-shaft sleeve, a 22-fixed shaft, a 23-magnetic block, a 3-fixed seat, a 4-motor, a 5-first support, a 6-second support, a 7-sliding rail component, an 8-stop block, a 9-buffer block and a 10-L-shaped connecting block.

Detailed Description

It is to be understood that, according to the technical solution of the present utility model, those skilled in the art may propose various alternative structural modes and implementation modes without changing the true spirit of the present utility model. Accordingly, the following detailed description and drawings are merely illustrative of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed.

As shown in fig. 1-3, an automatic tightening function device comprises a bolt tightening device 1 and a nut tightening device 2 which are arranged in a matching manner, wherein the bolt tightening device 1 and the nut tightening device 2 are fixed on a fixed seat 3, a displacement mechanism for adjusting the bolt tightening device 1 and the nut tightening device 2 is arranged on the fixed seat 3, and the bolt tightening device 1 is driven by a motor 4.

The bolt tightening device 1 is fixedly arranged on the first support 5, the bolt tightening device 1 comprises a motor 4 fixedly arranged on the first support 5, one end of a rotating shaft protecting sleeve 2 is fixedly connected with a rotating shaft of the motor 4, the other end of the rotating shaft protecting sleeve is connected with a connecting block 12 for placing a bolt through a spring 13, and the connecting block 12 can coaxially rotate with the rotating shaft protecting sleeve 2. After the bolts are put into the connectors, the bolts and the nuts are screwed through the rotation of the rotating shaft protective sleeve 2, and whether the bolts are screwed in place or not can be judged according to the deformation length of the springs 13 and the bolt length due to the existence of the springs 13.

The nut tightening device 2 is fixedly disposed on the second support 6, the nut tightening device 2 includes a shaft sleeve 21 fixedly disposed on the second support 6, and one end of a fixed shaft 22 is fixedly connected with the shaft sleeve 21. A magnetic block 23 for placing nuts is fixedly arranged at the other end of the fixed shaft 22; the fixing shaft 22 is hollow, and a through hole is formed on the magnetic block 23, so that the hollow fixing shaft 22 can adapt to the length of the bolt when the bolt is screwed into the nut by the bolt screwing device 1.

The displacement mechanism comprises a sliding rail assembly 7 fixedly arranged on the fixed seat 3, the first support 5 or the second support 6 is arranged on the sliding rail and can move along the sliding rail, the distance between the nut screwing device 2 and the bolt screwing device 1 can be adjusted through the sliding rail by arranging the first support 5 and the second support 6 on the sliding rail, and the screw and the nut can be conveniently screwed down and then unloaded or placed. The displacement mechanism further comprises an air cylinder axially arranged along the sliding rail assembly 7, the tail end of a telescopic rod of the air cylinder is fixedly connected with the side surface of the first support 5 or the second support 6 and used for pushing the first support 5 or the second support 6 to move on the sliding rail assembly 7, the positions of the first support 5 or the second support 6 on the corresponding sliding rail are controlled by the telescopic air cylinder controlled by the independent air circuit respectively, the problem of the difference of manual adjustment is avoided, and the distance between the bolt and the nut can be adjusted more conveniently.

A plurality of stop blocks 8 are fixedly arranged on the fixed seat 3, and the stop blocks 8 are of L-shaped structures and are used for limiting the limit movement distance of the first support 5 or the second support 6. A buffer block 9 is fixedly arranged on the stop block 8, and a gasket for adjustment is arranged between the stop block 8 and the buffer block 9.

The bolt tightening device 1 is fixed onto the first support 5 by the L-shaped connecting blocks 10, the nut tightening device 2 is fixed onto the second support 6 by the L-shaped connecting blocks 10, the height relation between the bolt tightening device 1 and the nut tightening device 2 can be adjusted through the L-shaped connecting blocks 10, the direction relation between the bolt tightening device 1 and the nut tightening device 2 can be correspondingly adjusted, and if the bolt tightening device 1 and the nut tightening device 2 are installed on the inclined fixing seat 3, the bolt installation requirement of a part with an inclined structure can be met.

If more parts need to be adapted, the fixing seat 3 can be set to a structure with adjustable inclination angle, the fixing seat 3 is provided with two fan-shaped panels which are arranged on the fixing seat 3 in parallel, and the top of the fan-shaped panels is movably fixed on the fixing seat 3 to ensure that the fan-shaped panels can finish the rotation action around the top end point. The bolt tightening device 1 or the nut tightening device 2 is fixedly arranged on the side surface of the sector panel through the first base plate, and the other side surface of the sector panel is also provided with a second base plate for limiting the limit rotation angle. And can be provided with flexible cylinder in second base plate downside, with the telescopic link end of flexible cylinder with the bolt activity fixed to second base plate towards flexible cylinder one side for when the cylinder accomplishes telescopic movement, can promote fan-shaped panel and accomplish the rotation on fixing base 3, thereby the angle of adjusting bolt tightening device 1 and nut tightening device 2.

When the screw bolt tightening device is used, the screw bolt tightening device 1 and the screw nut tightening device 2 are adjusted to corresponding positions by adjusting the telescopic cylinder, so that the magnetic block 23 for placing the screw nut and the connecting block 12 for placing the screw bolt are positioned on the same axis, the screw bolt is conveniently screwed into the screw nut, and whether the screw bolt is tightened in place is judged by the spring 13.

The technical scope of the present utility model is not limited to the above description, and those skilled in the art may make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present utility model, and these changes and modifications should be included in the scope of the present utility model.

Claims

1. The utility model provides an automatic screw up functional device, its characterized in that, screw up device (1) and nut screwing up device (2) including the cooperation setting, screw up device (1) and nut screwing up device (2) all are fixed in on fixing base (3), be provided with on fixing base (3) and be used for adjusting screw up device (1) and nut screwing up the displacement mechanism of device (2), screw up device (1) are rotated by motor (4) drive.

2. The automatic tightening device according to claim 1, wherein the bolt tightening device (1) is fixedly arranged on the first support (5), the bolt tightening device (1) comprises a motor (4) fixedly arranged on the first support (5), one end of a rotating shaft protecting sleeve (11) is fixedly connected with a rotating shaft of the motor (4), the other end of the rotating shaft protecting sleeve is connected with a connecting block (12) for placing a bolt through a spring (13), and the connecting block (12) can coaxially rotate with the rotating shaft protecting sleeve (11).

3. The automatic tightening function device according to claim 1, wherein the nut tightening device (2) is fixedly arranged on the second support (6), the nut tightening device (2) comprises a shaft sleeve (21) fixedly arranged on the second support (6), one end of a fixed shaft (22) is fixedly connected with the shaft sleeve (21), and a magnetic block (23) for placing a nut is fixedly arranged on the other end of the fixed shaft (22); the fixed shaft (22) is of a hollow structure.

4. An automatic tightening device according to any one of claims 2 or 3, characterized in that the displacement mechanism comprises a sliding rail assembly (7) fixedly arranged on the fixed seat (3), and the first support (5) or the second support (6) are arranged on the sliding rail and can move along the sliding rail.

5. The automatic tightening device according to claim 4, wherein the displacement mechanism further comprises a cylinder axially arranged along the sliding rail assembly (7), and the end of a telescopic rod of the cylinder is fixedly connected with the side surface of the first support (5) or the second support (6) and is used for pushing the first support (5) or the second support (6) to move on the sliding rail assembly (7).

6. The automatic tightening device according to claim 5, characterized in that a plurality of stoppers (8) are fixedly arranged on the fixing base (3), and the stoppers (8) are of L-shaped structure for limiting the limit movement distance of the first support (5) or the second support (6).

7. The automatic tightening device according to claim 6, characterized in that a buffer block (9) is fixedly arranged above the stop block (8), and a spacer for adjustment is arranged between the stop block (8) and the buffer block (9).

8. The automatic tightening function device according to claim 1, further comprising a number of L-shaped connection blocks (10), wherein the bolt tightening device (1) is fixed onto the first support (5) with the L-shaped connection blocks (10), and wherein the nut tightening device (2) is fixed onto the second support (6) with the L-shaped connection blocks (10).