CN215432446U

CN215432446U - Automatic screw twisting equipment

Info

Publication number: CN215432446U
Application number: CN202121720913.2U
Authority: CN
Inventors: 徐飞飞
Original assignee: Wuxi Lianrui Hengxin Precision Equipment Co ltd
Current assignee: Wuxi Lianrui Hengxin Precision Equipment Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-01-07
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses automatic screw screwing equipment which comprises an automatic screw screwing equipment body, wherein the automatic screw screwing equipment body comprises an equipment frame, a pneumatic hook, a follow tool, a motor assembly, a jacking cylinder, two linear bearings, two support rods, a servo motor, a ball spline assembly, two first cylinders, two guide rods, two screwing guns, two torque sensors, two gun heads, a vibrating disc, a pneumatic truss, a gas claw, a nut, two linear guide rails, two upper limiting cylinders, two upper limiting pressure heads, four guide sleeves, a rotary disc, four positioning heads and an electric pushing cylinder, the pneumatic hook is installed at the top of the equipment frame, the follow tool is installed at the top of the pneumatic hook in a matching and sliding mode, and the motor assembly is placed at the top of the follow tool. The automatic screw tightening device is reasonable in design, convenient for automatic screw tightening, high in automation degree, capable of improving production efficiency, capable of monitoring torque during automatic screw tightening, capable of improving the torque qualification rate and beneficial to use.

Description

Automatic screw twisting equipment

Technical Field

The utility model relates to the technical field of screwing equipment, in particular to automatic screwing equipment.

Background

During the assembly process of the motor assembly for the air conditioner external unit, screws and nuts are required to be placed, and the motor assembly for the air conditioner external unit is manually fastened by a tightening gun; the existing manual operation has the defects that the product tightening torque is unstable, the production rhythm is influenced by the skill of workers, the production efficiency is low, the torque qualified rate is low, and the automation degree is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides automatic screwing equipment.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an automatic screw-screwing device comprises an automatic screw-screwing device body, wherein the automatic screw-screwing device body comprises a device frame, a pneumatic hook, a follow tool, a motor component, a jacking cylinder, two linear bearings, two support rods, a servo motor, a ball spline component, two first cylinders, two guide rods, two screwing guns, two torque sensors, two gun heads, a vibrating disc, a pneumatic truss, a pneumatic claw, a nut, two linear guide rails, two upper limiting cylinders, two upper limiting pressure heads, four guide sleeves, a turntable, four positioning heads and an electric pushing cylinder, the pneumatic hook is arranged at the top of the device frame, the follow tool is arranged at the top of the pneumatic hook in a matching and sliding manner, the motor component is arranged at the top of the follow tool, the turntable is arranged above the device frame, a fracture is arranged at the front side of the turntable, the follow tool is positioned in the turntable, and four support columns are fixedly connected to the top of the device frame, the top ends of the four supporting columns are fixedly connected with the same top plate, the electric pushing cylinder is fixedly embedded on the top of the top plate, the ball spline assembly is installed on the top of the top plate, the servo motor is installed on the top of the top plate and is in transmission fit with the ball spline assembly, the extending end of the electric pushing cylinder is fixedly connected with the inner side of the top of the ball spline assembly, the extending end of the ball spline assembly extends to the lower side of the top plate and is connected with two tightening guns, the bottoms of the two tightening guns are fixedly connected with the same movable plate, the torque sensor is arranged on the corresponding tightening gun, the gun heads are arranged at the bottom of the corresponding tightening gun and downwards penetrate through the movable plate, the two first air cylinders are respectively and fixedly installed on the two sides of the top of the movable plate, the guide rods are fixedly connected on the extending ends of the corresponding first air cylinders and downwards penetrate through the movable plate, the vibration plate and the pneumatic truss are both fixedly installed on the top of the equipment rack, and the vibration plate is matched with the pneumatic truss, the pneumatic device comprises a pneumatic truss, a nut, a linear guide rail, a turntable, a vibration disc, a pneumatic truss, a moving seat, an upper limiting cylinder, a lower limiting cylinder, a support plate, a lifting cylinder, a support plate, a vibration disc, a pneumatic truss, a vibration disc, a lifting cylinder, a vibration disc, a lifting cylinder, a support plate, a lifting cylinder, a lifting device and a lifting device, wherein the pneumatic truss is arranged at the bottom of the moving end of the pneumatic truss, the nut is clamped in the pneumatic claw, the linear guide rail is fixedly arranged at the top of a device frame, the turntable is arranged below the two linear guide rails, the vibration disc and the pneumatic truss are arranged at the middle of the linear guide rail, the linear guide rail is connected with the moving seat in a sliding manner, the linear guide rail is fixedly arranged at the top of the device frame, the rotary disc is arranged below the two linear guide rails, the upper limiting cylinder is fixedly connected with the upper limiting cylinder, the corresponding linear guide plate, the upper limiting cylinder is fixedly arranged at the extension end of the corresponding linear guide plate, the corresponding linear guide rail, the upper limiting cylinder is fixedly arranged at the extension end of the upper limiting cylinder is fixedly arranged at the upper limiting cylinder, the inner side of the device frame, the two upper limiting cylinder, the upper limiting cylinder is respectively, the inner side of the device frame, the device frame is respectively, the upper limiting cylinder is respectively, the lower side of, the both ends of extension board respectively with two linear bearing's slip end fixed connection, two bracing pieces are all installed at the top of extension board, the top of bracing piece extends to the top of equipment rack and cooperatees with the carousel.

Preferably, two circular through holes are formed in the inner side of the top of the equipment rack, and the support rod is located in the corresponding circular through hole and is not in contact with the inner wall of the circular through hole.

Preferably, the linear guide is located between the corresponding two pillars.

Preferably, four corners of the bottom of the equipment support are rotatably provided with traveling wheels.

Preferably, the fracture width on the carousel is greater than the width of retinue frock.

Compared with the prior art, the utility model has the beneficial effects that:

through the equipment frame, the pneumatic hook, the following tool, the motor component, the jacking cylinder, the linear bearing, the support rod, the servo motor, the ball spline component, the first cylinder, the guide rod, the tightening gun, the torque sensor, the gun head, the vibrating disc, the pneumatic truss, the air claw, the nut, the linear guide rail, the upper limiting cylinder, the upper limiting pressure head, the guide sleeve, the turntable and the positioning head are matched with the electric pushing cylinder, after the motor component is manually placed into the following tool and four screws are inserted into the motor component, the electric pushing cylinder drives the ball spline component to descend to the position, the air cylinder pushes the guide rod to position the turntable, the servo motor drives the ball spline component to rotate for four angles, the turntable also rotates for four angles and drives the four positioning heads to respectively connect four nuts, the nuts are driven by the pneumatic truss to take the air claw from the vibrating disc, the motor component is hooked by the pneumatic hook to the screw screwing position, under the action of the jacking cylinder and the linear bearing, the bracing piece rises and jack-up carousel, make the location head insert under the motor module screw, limit pressure head on touchhing the motor module up end, under the electric propulsion cylinder drive, the rifle descends is screwed up in ball spline subassembly area, the rifle head screws up the screw on the motor module, and under torque sensor's detection, real time monitoring torque value, after having twisted, pneumatic hook hooks out the motor module, the artifical finished product that takes out the motor module, so the circulation is reciprocal, degree of automation is high, and can monitor the moment of torsion when the screw is screwed up automatically.

The automatic screw tightening device is reasonable in design, convenient for automatic screw tightening, high in automation degree, capable of improving production efficiency, capable of monitoring torque during automatic screw tightening, capable of improving the torque qualification rate and beneficial to use.

Drawings

Fig. 1 is a schematic perspective view of an automatic screwing device according to the present invention;

fig. 2 is a schematic structural view of an automatic screwing device according to the present invention;

FIG. 3 is a schematic structural view of a vibration plate, a pneumatic truss, a pneumatic claw and a nut connecting piece of the automatic screwing device provided by the utility model;

FIG. 4 is a schematic structural view of a linear guide rail, an upper limiting cylinder, an upper limiting pressure head and a guide sleeve connecting piece of the automatic screwing device provided by the utility model;

fig. 5 is a schematic structural diagram of a connecting piece of a turntable and a positioning head of the automatic screwing device provided by the utility model.

In the figure: the device comprises a device frame 1, a pneumatic hook 2, a follow-up tool 3, a motor assembly 4, a jacking cylinder 5, a linear bearing 6, a supporting rod 7, a servo motor 8, a ball spline assembly 9, a first cylinder 10, a guide rod 11, a tightening gun 12, a torque sensor 13, a gun head 14, a vibrating disc 15, a pneumatic truss 16, an air claw 17, a nut 18, a linear guide rail 19, an upper limit cylinder 20, an upper limit pressure head 21, a guide sleeve 22, a rotating disc 23, a positioning head 24 and an electric pushing cylinder 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an automatic screwing device comprises an automatic screwing device body, the automatic screwing device body comprises a device frame 1, a pneumatic hook 2, a following tool 3, a motor component 4, a jacking cylinder 5, two linear bearings 6, two support rods 7, a servo motor 8, a ball spline component 9, two first cylinders 10, two guide rods 11, two tightening guns 12, two torque sensors 13, two gun heads 14, a vibrating disc 15, a pneumatic truss 16, a pneumatic claw 17, a nut 18, two linear guide rails 19, two upper limiting cylinders 20, two upper limiting pressure heads 21, four guide sleeves 22, a rotating disc 23, four positioning heads 24 and an electric pushing cylinder 25, the pneumatic hook 2 is mounted on the top of the device frame 1, the following tool 3 is mounted on the top of the pneumatic hook 2 in a matching sliding manner, the motor component 4 is placed on the top of the following tool 3, the rotating disc 23 is arranged above the device frame 1, the front side of the turntable 23 is provided with a fracture, the follow-up tool 3 is positioned in the turntable 23, the top of the equipment rack 1 is fixedly connected with four struts, the top ends of the four struts are fixedly connected with a same top plate, an electric push cylinder 25 is embedded and fixed at the top of the top plate, a ball spline assembly 9 is installed at the top of the top plate, a servo motor 8 is installed at the top of the top plate and is in transmission fit with the ball spline assembly 9, the extending end of the electric push cylinder 25 is fixedly connected with the inner side of the top of the ball spline assembly 9, the extending end of the ball spline assembly 9 extends to the lower part of the top plate and is connected with two tightening guns 12, the bottoms of the two tightening guns 12 are fixedly connected with a same moving plate, the torque sensors 13 are arranged on the corresponding tightening guns 12, the gun heads 14 are arranged at the bottoms of the corresponding tightening guns 12 and penetrate through the moving plate downwards, and the two first air cylinders 10 are respectively and fixedly installed at two sides of the top of the moving plate, the guide rod 11 is fixedly connected to the extending end of the corresponding first cylinder 10 and penetrates through the moving plate downwards, the vibration disc 15 and the pneumatic truss 16 are fixedly installed at the top of the equipment frame 1, the vibration disc 15 is matched with the pneumatic truss 16, the pneumatic claw 17 is installed at the bottom of the moving end of the pneumatic truss 16, the nut 18 is clamped in the pneumatic claw 17, the linear guide rails 19 are fixedly installed at the top of the equipment frame 1, the turntable 23 is positioned below and in the middle of the two linear guide rails 19, the vibration disc 15 and the pneumatic truss 16 are positioned at the rear side of the linear guide rails 19, the linear guide rails 19 are slidably connected with the moving seats, the upper limiting cylinders 20 are fixedly installed on the corresponding linear guide rails 19, the extending ends of the upper limiting cylinders 20 are fixedly connected with the corresponding moving seats, the two upper limiting pressure heads 21 are respectively fixed at the sides of the two moving seats close to each other, the four guide sleeves 22 are respectively fixed at the sides of the two moving seats close to each other, the four positioning heads 24 are annularly and equidistantly arranged on the top of the turntable 23, the two linear bearings 6 are arranged on the top of the inner side of the equipment rack 1, the bottom ends of the two linear bearings 6 are fixedly connected with the same mounting plate, the jacking cylinder 5 is arranged on the top of the mounting plate, the extending end of the jacking cylinder 5 is fixedly connected with a supporting plate, two ends of the supporting plate are respectively and fixedly connected with the sliding ends of the two linear bearings 6, the two supporting rods 7 are arranged on the top of the supporting plate, and the top ends of the supporting rods 7 extend to the upper side of the equipment rack 1 and are matched with the turntable 23.

According to the utility model, two circular through holes are formed in the inner side of the top of the equipment rack 1, the support rod 7 is positioned in the corresponding circular through hole and is not in contact with the inner wall of the circular through hole, the linear guide rail 19 is positioned between the two corresponding support columns, the four corners of the bottom of the equipment support 1 are respectively provided with the walking wheels in a rotating mode, and the width of a fracture on the turntable 23 is larger than that of the follow-up tool 3.

The working principle is as follows: when the pneumatic positioning device is used, after the motor assembly 4 is manually placed into the follow-up tool 3 and four screws are inserted, the electric pushing cylinder 25 drives the ball spline assembly 9 to descend to the proper position, the air cylinder 10 pushes the guide rod 11 to be inserted into the rotary table 23, the rotary table 23 is positioned, the servo motor 8 drives the ball spline assembly 9 to rotate by four angles, the rotary table 23 also rotates by four angles, the four positioning heads 24 on the rotary table 23 are connected with the four nuts 18 one by one, the nuts 18 are driven by the pneumatic truss 16 to drive the air claws 17, the nuts 18 are taken from the vibration disc 15, and the positioning heads 24 carrying the nuts 18 return to the initial position;

the motor component 4 is hooked by the pneumatic hook 2 to a screw screwing position, under the action of the jacking cylinder 5 and the linear bearing 6, the supporting rod 7 rises, the rotary disc 23 is jacked, four positioning heads 24 on the rotary disc 23 are inserted under screws of the motor component 4 until the upper end face of the motor component 4 touches the upper limiting pressure head 21, the motor component 4 is pressed, the guide sleeve 22 just guides and positions the screw position of the motor component 4, the ball spline component 9 drives the screwing gun 12 to descend under the driving of the electric pushing cylinder 25, the gun head 14 also guides the guide sleeve 22 to accurately screw the screws on the motor component 4, the torque value is monitored in real time under the detection of the torque sensor 13, after the screws are screwed, the pneumatic hook 2 hooks the motor component 4 out, finished products of the motor component 4 are manually taken out, the process is repeated in such a way, the automation degree is high, the production efficiency is improved, and the torque can be monitored during automatic screw screwing, the torque qualification rate is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An automatic screw screwing device comprises an automatic screw screwing device body, wherein the automatic screw screwing device body comprises a device rack (1), a pneumatic hook (2), a following tool (3), a motor assembly (4), a jacking cylinder (5), two linear bearings (6), two supporting rods (7), a servo motor (8), a ball spline assembly (9), two first cylinders (10), two guide rods (11), two tightening guns (12), two torque sensors (13), two gun heads (14), a vibrating disc (15), a pneumatic truss (16), a pneumatic claw (17), a nut (18), two linear guide rails (19), two upper limiting cylinders (20), two upper limiting pressure heads (21), four guide sleeves (22), a turntable (23), four positioning heads (24) and an electric pushing cylinder (25), and is characterized in that the pneumatic hook (2) is installed at the top of the device rack (1), the following tool (3) is arranged at the top of the pneumatic hook (2) in a sliding mode in a matching mode, the motor assembly (4) is arranged at the top of the following tool (3), the rotary table (23) is arranged above the equipment rack (1), a fracture is arranged on the front side of the rotary table (23), the following tool (3) is located in the rotary table (23), four support columns are fixedly connected to the top of the equipment rack (1), the top ends of the four support columns are fixedly connected with the same top plate, the electric pushing cylinder (25) is embedded and fixed to the top of the top plate, the ball spline assembly (9) is arranged at the top of the top plate, the servo motor (8) is arranged at the top of the top plate and is in transmission fit with the ball spline assembly (9), the extending end of the electric pushing cylinder (25) is fixedly connected with the inner side of the top of the ball spline assembly (9), the extending end of the ball spline assembly (9) extends to the lower portion of the top plate and is connected with the two tightening guns (12), the bottom parts of the two tightening guns (12) are fixedly connected with the same moving plate, the torque sensors (13) are arranged on the corresponding tightening guns (12), the gun heads (14) are arranged at the bottom parts of the corresponding tightening guns (12) and downwards penetrate through the moving plate, the two first air cylinders (10) are respectively and fixedly arranged on two sides of the top part of the moving plate, the guide rods (11) are fixedly connected on the extending ends of the corresponding first air cylinders (10) and downwards penetrate through the moving plate, the vibration disc (15) and the pneumatic truss (16) are fixedly arranged on the top part of the equipment rack (1), the vibration disc (15) is matched with the pneumatic truss (16), the air claw (17) is arranged at the bottom part of the moving end of the pneumatic truss (16), the nut (18) is clamped in the air claw (17), the linear guide rails (19) are fixedly arranged on the top part of the equipment rack (1), and the rotary disc (23) is positioned below and in the middle of the two linear guide rails (19), the vibrating disc (15) and the pneumatic truss (16) are both positioned at the rear side of the linear guide rail (19), the linear guide rail (19) is connected with a moving seat in a sliding manner, an upper limiting air cylinder (20) is fixedly arranged on the corresponding linear guide rail (19), the extending end of the upper limiting air cylinder (20) is fixedly connected with the corresponding moving seat, two upper limiting pressure heads (21) are respectively fixed at one side of the two moving seats close to each other, four guide sleeves (22) are respectively fixed at one side of the two moving seats close to each other, four positioning heads (24) are annularly arranged at the top of a rotating disc (23) at equal intervals, two linear bearings (6) are both arranged at the top of the inner side of the equipment rack (1), the bottom ends of the two linear bearings (6) are fixedly connected with a same mounting plate, the jacking air cylinder (5) is arranged at the top of the mounting plate, the extending end of the jacking air cylinder (5) is fixedly connected with a support plate, the two ends of the supporting plate are fixedly connected with the sliding ends of the two linear bearings (6) respectively, the two supporting rods (7) are arranged at the top of the supporting plate, and the top ends of the supporting rods (7) extend to the upper part of the equipment rack (1) and are matched with the turntable (23).

2. The automatic screwing device of claim 1, wherein the top inner side of the device rack (1) is provided with two circular through holes, and the support rod (7) is positioned in the corresponding circular through hole and is not contacted with the inner wall of the circular through hole.

3. An automatic screwing device according to claim 1, characterized in that said linear guide (19) is located between two corresponding uprights.

4. The automatic screwing device of claim 1, wherein four corners of the bottom of the device frame (1) are rotatably provided with walking wheels.

5. The automatic screwing apparatus according to claim 1, wherein the width of the fracture on said carousel (23) is greater than the width of the follower fixture (3).