CN213080641U

CN213080641U - Automatic tightening device for pneumatic connector

Info

Publication number: CN213080641U
Application number: CN202021272703.7U
Authority: CN
Inventors: 李俊; 张大鹏; 闻春华; 赵菁菁
Original assignee: Hefei Xiaowu Automation Technology Co ltd
Current assignee: Hefei Xiaowu Automation Technology Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-04-30
Anticipated expiration: 2030-07-02

Abstract

The utility model belongs to the field of tightening devices, in particular to an automatic tightening device for a pneumatic connector, which comprises a gear transmission mechanism, a servo motor with the functions of expansion and rotation and a sleeve matched with the pneumatic connector; the gear transmission mechanism input links to each other with servo motor, the gear transmission mechanism output links to each other with the sleeve, be equipped with the vacuum adapter that is linked together with external getter device on the sleeve for form the negative pressure state between sleeve inner wall and the pneumatic joint outer wall. The utility model has the advantages that: the utility model discloses a servo motor's model is MC35-20, has flexible, rotation function, and at first the sleeve is close to pneumatic connector, and servo motor spindle extension drives gear drive mechanism, sleeve forward motion in proper order, and the sleeve entangles the back with pneumatic connector, and external getter device starts for form the negative pressure state between sleeve inner wall and the pneumatic connector outer wall, the motor begins to rotate, and then drives the sleeve and screw up pneumatic connector.

Description

Automatic tightening device for pneumatic connector

Technical Field

The utility model belongs to screw up the dress field, concretely relates to automatic tightening device for pneumatic joint.

Background

At present, a large number of pneumatic devices are adopted in the automation industry, wherein the pneumatic connector is generally screwed up manually, the efficiency is low, the manpower is occupied, and the screwing quality cannot be guaranteed;

the existing automatic tightening scheme in the field mainly aims at the bolt tightening, and adopts pneumatic vacuum adsorption, and a tightening shaft drives an inner hexagonal sleeve to tighten the bolt; because the pneumatic connector is of a hollow structure, the common pneumatic adsorption device cannot absorb air due to air leakage.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an automatic screw up device for pneumatic joint can adsorb the pneumatic joint to automatic screw up the joint, adopt servo electric screwdriver and torque sensor control the number of turns and the moment of torsion of screwing up, thereby raise the efficiency, use manpower sparingly, guarantee to screw up the quality.

The utility model provides a following technical scheme:

an automatic tightening device for a pneumatic connector comprises a gear transmission mechanism, a servo motor with stretching and rotating functions and a sleeve matched with the pneumatic connector;

the gear transmission mechanism input links to each other with servo motor, the gear transmission mechanism output links to each other with the sleeve, be equipped with the vacuum adapter that is linked together with external getter device on the sleeve for form the negative pressure state between sleeve inner wall and the pneumatic joint outer wall.

Preferably, the vacuum adapter comprises an air inlet channel, an inlet of the air inlet channel is connected with an external air suction device, a first air path is arranged in the wall of the sleeve barrel, one end of the first air path is connected with an outlet of the air inlet channel, and the other end of the first air path extends out of the inner wall of the sleeve barrel.

Preferably, the gear transmission mechanism comprises at least two structural forms,

the structure form I: the gear transmission mechanism is composed of a rotating shaft, one end of the rotating shaft is connected with the servo motor, and the other end of the rotating shaft is connected with the sleeve;

the structural form II is as follows: the gear transmission mechanism comprises a driving gear shaft and a driven gear shaft which forms a meshing transmission fit with the driving gear shaft, the driving gear shaft is connected with the servo motor, and the driven gear shaft is connected with the sleeve.

Preferably, automatic tightening device still includes unable adjustment base and slider mechanism, servo motor installs on unable adjustment base, slider mechanism is including installing the track on unable adjustment base and constituting sliding fit's slider with the track, the slider links to each other with driving gear axle and/or driven gear axle, makes driving gear axle, driven gear axle follow the slider and slides together.

Preferably, the servo motor is provided with a torque sensor for detecting the torque of the gear transmission mechanism.

Preferably, the servo motor is of the type MC35-20 and is produced by a horse head power tool.

Preferably, the automatic tightening device further comprises a guide plate and a connecting piece, one end of the guide plate is fixed on the vacuum adapter, the other end of the guide plate is provided with a long-strip-shaped through hole along the length direction of the surface of the guide plate, and the connecting piece penetrates through the long-strip-shaped through hole to install the guide plate on the fixed base.

Preferably, the vacuum adapter is provided with a pressing block for preventing the workpiece where the pneumatic connector is located from bouncing.

The utility model has the advantages that:

1. the utility model discloses a servo motor's model is MC35-20, is produced by horse head power tool, has flexible, rotation function, and at first the sleeve is close to pneumatic joint, and servo motor spindle extension drives gear drive, sleeve forward motion in proper order, and the sleeve entangles the back with pneumatic joint, and external getter device starts for form the negative pressure state between sleeve inner wall and the pneumatic joint outer wall, and the motor begins to rotate, and then drives the sleeve and screw up pneumatic joint.

2. The utility model discloses be equipped with first gas circuit in sleeve section of thick bamboo wall, the vacuum adapter includes inlet channel, first gas circuit one end links to each other with the inlet channel export, the first gas circuit other end extends sleeve inner wall, external getter device starts the back, the suction that produces loops through inlet channel, first gas circuit reachs between sleeve inner wall and the pneumatic joint outer wall, traditional pneumatic adsorption equipment has been avoided when adsorbing pneumatic joint, because pneumatic joint leads to adsorbing the failure for the gas leakage phenomenon that hollow structure caused.

3. The utility model discloses a gear drive includes two kinds of structural style at least, and two kinds of structural style can the exclusive use, also can the combined use, select according to actual conditions by the technical personnel in the field.

4. The servo motor is provided with the torque sensor, so that the torque of the gear transmission mechanism can be monitored in real time, and excessive tightening is avoided.

5. The automatic screwing device further comprises a guide plate and a connecting piece, one end of the guide plate is fixed on the vacuum adapter, the other end of the guide plate is installed on the fixed base through the connecting piece, and when a shaft of the servo motor stretches, the sleeve and the vacuum adapter are prevented from shifting due to the guiding effect of the strip-shaped through hole.

Drawings

FIG. 1 is a front view of an automatic tightening apparatus;

FIG. 2 is a side view of the automatic tightening apparatus;

FIG. 3 is a view showing the connection structure of the sleeve, the vacuum adapter and the pressing block;

FIG. 4 is a schematic view of the connection of the fixed base and the slider mechanism;

fig. 5 is a schematic view of the form of the gear mechanism.

The designations in the drawings have the following meanings:

10-gear transmission mechanism 11-rotating shaft 12-driving gear shaft 13-driven gear shaft 20-servo motor 30-sleeve 31-first air passage 40-vacuum adapter 41-air inlet channel 50-fixed base 60-sliding block mechanism 61-track 62-sliding block 70-torque sensor 81-guide plate 82-connecting piece 83-strip through hole 90-pressing block

Detailed Description

The present invention will be described in detail with reference to the following embodiments.

Example 1

As shown in fig. 1 and 2, an automatic tightening device for a pneumatic connector comprises a gear transmission mechanism 10, a servo motor 20 with functions of expansion and rotation, and a sleeve 30 matched with the pneumatic connector;

the input end of the gear transmission mechanism 10 is connected with the servo motor 20, the output end of the gear transmission mechanism 10 is connected with the sleeve 30, and the sleeve 30 is provided with a vacuum adapter 40 communicated with an external air suction device, so that a negative pressure state is formed between the inner wall of the sleeve 30 and the outer wall of the pneumatic adapter.

Example 2

On the basis of embodiment 1, as shown in fig. 3, the vacuum adapter 40 includes an air inlet channel 41, an inlet of the air inlet channel 41 is connected to an external air suction device, a first air path 31 is disposed in a cylindrical wall of the sleeve 30, one end of the first air path 31 is connected to an outlet 41 of the air inlet channel, and the other end of the first air path 31 extends out of an inner wall of the sleeve 30.

Example 3

On the basis of embodiment 1, as shown in fig. 1 and 2, the gear transmission mechanism 10 at least comprises two structural forms,

the structure form I: the gear transmission mechanism 10 is composed of a rotating shaft 11, one end of the rotating shaft 11 is connected with the servo motor 20, and the other end of the rotating shaft 11 is connected with the sleeve 30;

the structural form II is as follows: the gear transmission mechanism 10 comprises a driving gear shaft 12 and a driven gear shaft 13 which is in meshing transmission fit with the driving gear shaft 12, the driving gear shaft 12 is connected with a servo motor 20, and the driven gear shaft 13 is connected with a sleeve 30.

Example 4

On the basis of embodiment 1, as shown in fig. 1 and 2, the automatic tightening device further includes a fixed base 50 and a slider mechanism 60, the servo motor 20 is mounted on the fixed base 50, the slider mechanism 60 includes a rail 61 mounted on the fixed base 50 and a slider 62 in sliding fit with the rail 61, and the slider 62 is connected to the driving gear shaft 12 and/or the driven gear shaft 13, so that the driving gear shaft 12 and the driven gear shaft 13 slide along with the slider 62.

Example 5

In addition to embodiment 1, as shown in fig. 1 and 2, the servo motor 20 is provided with a torque sensor 70 for detecting the torque of the gear transmission mechanism.

The servo motor 20 is of the type MC35-20 and is produced by a horse head power tool.

And a pressing block 90 for preventing the workpiece where the pneumatic connector is arranged from bouncing is arranged on the vacuum adapter 40.

Example 6

In addition to embodiment 1, as shown in fig. 1 and 2, the automatic tightening device further includes a guide plate 81 and a connecting member 82, one end of the guide plate 81 is fixed to the vacuum adapter 40, the other end of the guide plate 81 is provided with a through hole 83 elongated in the length direction of the plate surface of the guide plate 81, and the connecting member 82 passes through the through hole 83 elongated to mount the guide plate 81 on the fixing base 50.

The working process of the utility model is as follows:

the person skilled in the art selects, according to the actual situation on site, whether the gear transmission mechanism is composed of the first structural form or the second structural form, or both the first structural form and the second structural form, and here, the example is composed of the second structural form.

Firstly, a sleeve is close to a pneumatic connector, a servo motor shaft extends to sequentially drive a gear transmission mechanism and the sleeve to move forwards, an external air suction device is started after the sleeve sleeves the pneumatic connector, so that a negative pressure state is formed between the inner wall of the sleeve and the outer wall of the pneumatic connector, and a motor starts to rotate to further drive the sleeve to screw the pneumatic connector;

be equipped with first gas circuit in the sleeve section of thick bamboo wall, vacuum adapter includes inlet channel, first gas circuit one end links to each other with the inlet channel export, the sleeve inner wall is extended to the first gas circuit other end, external getter device starts the back, the suction that produces loops through inlet channel, first gas circuit reachs between sleeve inner wall and the pneumatic joint outer wall, traditional pneumatic adsorption equipment has been avoided when adsorbing pneumatic joint, because pneumatic joint leads to adsorbing the failure for the gas leakage phenomenon that hollow structure caused.

Reverse operation can accomplish the separation from of sleeve and pneumatic joint, and automatic screwing device cooperates with the mobile device, and auxiliary stand, mobile robot for example will install the base and fix on the mobile device, can realize the automatic screwing of a plurality of pneumatic joints.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic tightening device for a pneumatic connector is characterized by comprising a gear transmission mechanism (10), a servo motor (20) with functions of expansion and rotation, and a sleeve (30) matched with the pneumatic connector;

the gear transmission mechanism (10) input links to each other with servo motor (20), gear transmission mechanism (10) output links to each other with sleeve (30), be equipped with vacuum adapter (40) that are linked together with external getter device on sleeve (30) for form the negative pressure state between sleeve (30) inner wall and the pneumatic joint outer wall.

2. The automatic tightening device for the pneumatic connector according to claim 1, wherein the vacuum adapter (40) comprises an air inlet channel (41), an inlet of the air inlet channel (41) is connected with an external air suction device, a first air passage (31) is arranged in the wall of the sleeve (30), one end of the first air passage (31) is connected with an outlet of the air inlet channel (41), and the other end of the first air passage (31) extends out of the inner wall of the sleeve (30).

3. The automatic tightening device for pneumatic joints according to claim 1, characterized in that said gear transmission (10) comprises at least two constructive forms,

the structure form I: the gear transmission mechanism (10) is composed of a rotating shaft (11), one end of the rotating shaft (11) is connected with the servo motor (20), and the other end of the rotating shaft (11) is connected with the sleeve (30);

the structural form II is as follows: gear drive (10) include drive gear axle (12) to and constitute meshing transmission complex driven gear axle (13) with drive gear axle (12), drive gear axle (12) link to each other with servo motor (20), driven gear axle (13) link to each other with sleeve (30).

4. The automatic tightening device for the pneumatic connector according to claim 3, further comprising a fixed base (50) and a slider mechanism (60), wherein the servo motor (20) is mounted on the fixed base (50), the slider mechanism (60) comprises a rail (61) mounted on the fixed base (50) and a slider (62) in sliding fit with the rail (61), and the slider (62) is connected with the driving gear shaft (12) and/or the driven gear shaft (13) so that the driving gear shaft (12) and the driven gear shaft (13) slide along with the slider (62).

5. The automatic tightening device for pneumatic joints according to claim 1, characterized in that the servo motor (20) is provided with a torque sensor (70) that detects the torque of the gear transmission (10).

6. The automatic tightening device for pneumatic joints according to claim 1, characterized in that said servomotor (20) is of the type MC35-20, produced by horse-head power tools.

7. The automatic tightening device for the pneumatic connector according to claim 4, further comprising a guide plate (81) and a connecting member (82), wherein one end of the guide plate (81) is fixed to the vacuum adapter (40), the other end of the guide plate (81) is provided with an elongated through hole (83) along the length direction of the plate surface of the guide plate (81), and the connecting member (82) passes through the elongated through hole (83) to mount the guide plate (81) on the fixing base (50).

8. The automatic tightening device for pneumatic joints according to claim 1, characterized in that the vacuum adapter (40) is provided with a pressing block (90) which prevents the work piece on which the pneumatic joint is located from bouncing up.