CN107840145A - A kind of automatic turning device - Google Patents

Abstract

The invention discloses a kind of automatic turning device, include two frames being oppositely arranged, include vertically-mounted hoisting mechanism in each frame, the upset motor being fixed on hoisting mechanism, the revolving bed being rotatably connected on upset motor output shaft and the clamp system being fixedly installed on revolving bed, after clamp system clamps the workpiece on workbench, hoisting mechanism drives upset motor and clamp system is moved upward to the position that workpiece and workbench will not interfere, then upset motor work drives revolving bed and clamp system to rotate, workpiece is reversed 180 degree, the present invention can stir variously-shaped workpiece, it is simple in construction, operating efficiency is high.

Description

An automatic turning device

technical field

The invention relates to the field of automatic production, in particular to an automatic turning device.

Background technique

In the field of automatic production lines, it is often necessary to turn the workpiece over to facilitate processing operations on the back of the workpiece. The usual method is to use the first mechanical arm to pick up the workpiece and then turn it over, and then the second mechanical arm sucks the back of the workpiece. One robotic arm releases the workpiece, and finally the second robotic arm places the workpiece on the workbench, or the first robotic arm picks up the workpiece and turns it over, then puts the workpiece on the workbench through the tooling on the workbench, and then The mechanical arm is retracted. In these two methods, the mechanical arm is expensive and the cost is high, and when the surface of the workpiece is uneven, the mechanical arm is inconvenient to clamp.

Contents of the invention

The technical problem to be solved by the present invention is to provide an automatic overturning device with simple structure and convenient operation, which can complete the overturning of workpieces of various shapes without the cooperation of mechanical arms and save costs.

In order to solve the above-mentioned technical problems, the present invention provides an automatic turning device, which includes two opposite racks, each rack includes a vertically installed lifting mechanism, a turning motor fixed on the lifting mechanism, a rotating connection The rotary seat on the output shaft of the turning motor and the clamping mechanism fixed on the rotary seat, after the clamping mechanism clamps the workpiece on the workbench, the lifting mechanism drives the turning motor and the clamping mechanism to move upward to the workpiece and the workbench The position where no interference will occur, and then the turning motor works to drive the slewing seat and clamping mechanism to rotate, and the workpiece is turned 180 degrees.

Further, the lifting mechanism includes a lifting motor and a ball screw, the ball screw is vertically installed on the frame, the lifting motor is connected to one end of the ball screw through a coupling, the nut of the ball screw is installed in the nut bracket, and the turning motor Fixed on the nut bracket.

Further, the lifting mechanism also includes a guide rail, which is arranged on one side of the ball screw in parallel, and a slider is arranged on the guide rail. The slider, the nut bracket and the turning motor are fixedly connected through the lifting plate, and the connection between the turning motor and the lifting mechanism is more stable. .

Further, there is also a side plate between the guide rail and the frame, the sensor slide rail is installed on the back of the side plate, the groove-type photoelectric switch is installed in the sensor slide rail, and the light-shielding sheet matched with the groove-type photoelectric switch is installed on the nut bracket , allowing easy positioning of the flip motor.

Further, there are two guide rails, and the two guide rails are respectively arranged on both sides of the ball screw, and slider blocking blocks are fixed at both ends of the guide rails.

Further, a roller bearing is installed between the turning motor and the slewing seat, the roller bearing is fixed to the turning motor, and gaskets are arranged on both sides of the roller bearing.

Further, the clamping mechanism includes a thrust cylinder, a first clamping plate, a second clamping plate, a clamping cylinder and jaws, the thrust cylinder is fixed at the center of the first clamping plate, and the thrust motor is installed on the first clamping plate. One side is fixed with the slewing seat, the push rod of the thrust cylinder passes through the first clamping plate and is fixed with the second clamping plate, the two ends of the first clamping plate and the second clamping plate are connected by guide shafts, and the clamping cylinder passes through The clamping jaw seat is installed on the side of the second clamping plate facing away from the first clamping plate, the two ends of the clamping cylinder are respectively fixed with clamping jaws, the thrust cylinder pushes the clamping jaws to the workpiece, and the clamping cylinder makes the clamping jaws clamp The workpiece, thus completing the clamping of the workpiece.

Further, the clamping cylinder is a double-acting cylinder, and at least two clamping cylinders are arranged symmetrically, so that the workpiece is more stable during the clamping process.

Further, the second clamping plate is connected with the clamping cylinder through the long waist hole, so as to adjust the position of the clamping cylinder to adapt to different workpieces.

Further, the jaw lining is provided on the opposite surface of the jaw.

Compared with the prior art, the beneficial effect of the present invention is that after the workpiece is clamped by the clamping mechanism, the lifting mechanism is used to adjust the workpiece to a proper position, and the turning motor controls the rotation of the clamping mechanism to achieve the purpose of turning over the workpiece. The present invention can flip various shaped workpiece, simple structure and high work efficiency.

Description of drawings

Fig. 1 is a side view of the present invention;

Fig. 2 is a schematic diagram of the three-dimensional structure of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

An automatic overturning device, comprising two oppositely arranged frames 1, each frame 1 includes a vertically installed lifting mechanism 2, a turning motor 3 fixed on the lifting mechanism 2, and a turning connection connected to the turning motor 3 output The rotary seat 4 on the shaft and the clamping mechanism 5 fixedly arranged on the rotary seat 4. After the clamping mechanism 5 clamps the workpiece on the workbench, the lifting mechanism 2 drives the turning motor 3 and the clamping mechanism 5 to move upward to the workpiece The position where there will be no interference with the workbench, and then the turning motor 3 works to drive the rotary seat 4 and the clamping mechanism 5 to rotate, and the workpiece is turned 180 degrees. In order to make the rotary seat 4 rotate smoothly, the turning motor 3 and the rotary seat 4 Roller bearing 6 is installed between, and roller bearing 6 is fixed with turning motor 3, and roller bearing 6 both sides are also provided with gasket.

The clamping mechanism 5 comprises a thrust cylinder 51, a first clamping plate 52, a second clamping plate 53, a clamping cylinder 54 and a jaw 55, and the thrust cylinder 51 is fixed on the center of the first clamping plate 52, and the first clamping The plate 52 is fixed on one side of the thrust cylinder 51 and the slewing seat 4, and the push rod of the thrust cylinder 51 passes through the first clamping plate 52 and the second clamping plate 53 to fix, and the first clamping plate 52 and the second clamping plate The two ends of 53 are connected by guide shaft 56, and the clamping cylinder 54 is installed on the side of the second clamping plate 53 facing away from the first clamping plate 52 through the jaw seat 57, and the second clamping plate 53 and the jaw seat 57 The connecting point is a long waist hole, and the clamping cylinder 54 is a double-acting cylinder. Clamping jaws 55 are respectively fixed on the ends of the clamping jaws 55. A clamping jaw lining 58 is provided on the opposite surface of the clamping jaws 55. The thrust cylinder 51 pushes the clamping jaws 55 close to the workpiece, and the clamping jaws 55 loosen or clamp the workpiece with the push of the clamping cylinder 54. The first clamping plate 52 is fixed to the rotary base 4, and the rotation of the rotary base 4 drives the entire clamping mechanism 5 to rotate, so that the workpiece clamped by the jaws 55 is turned over.

The lifting mechanism 2 includes a lifting motor 22 and a ball screw 21. The ball screw 21 is vertically installed on the frame 1. The lifting motor 22 is connected to one end of the ball screw 21 through a coupling. The nut of the ball screw 21 is installed on the nut. In the bracket 23, the overturning motor 3 is fixed on the nut bracket 23, and the up and down movement of the overturning motor 3 and the nut bracket 23 moves, so that the clamping mechanism 5 moves up and down together, and the clamping mechanism 5 drives the workpiece to be lifted to a position away from the workbench. So that the workpiece will not interfere with the workbench during the turning process.

In order to ensure the stability of the connection between the turning motor 3 and the ball screw 21, the lifting mechanism 2 also includes a guide rail 24, and there are two guide rails 24, and the two guide rails 24 are respectively arranged in parallel on both sides of the ball screw 21, and the guide rail 24 Slide block 25 is arranged on it, slide block 25, nut bracket 23 and turning motor 3 are fixedly connected by lifting plate 7, and sliding block 25 is fixed on the two ends of lifting plate 7, and nut bracket 23 and turning motor 3 are fixed on the bottom of lifting plate 7. In the middle position, the lifting plate 7 transfers the stress of the turning motor 3 to the ball screw 21 to the guide rails 24 on both sides, so that the structure of the lifting mechanism 2 is more stable, and the two ends of the guide rail 24 are also fixed with slider stoppers 26 to prevent The moving distance of the slider 25 exceeds the range of the guide rail 24 .

A side plate 11 is also arranged between the guide rail 24 and the frame 1 to facilitate the installation of the guide rail 24. At the same time, a sensor slide rail 81 is installed on the back side of the side plate 11. The groove-type photoelectric switch 82 is installed in the sensor slide rail 81. The nut bracket 23 A light-shielding sheet 83 that cooperates with the groove-type photoelectric switch 82 is installed on the top, and whether the turning motor 3 reaches the position of turning is determined by the cooperation of the light-shielding sheet 83 and the groove-type photoelectric switch 82.

The above-mentioned embodiments are only preferred embodiments for fully illustrating the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention. The protection scope of the present invention shall be determined by the claims.

Claims (10)

1. a kind of automatic turning device, it is characterised in that include two frames being oppositely arranged, it is vertical to include in each frame The hoisting mechanism of installation, the upset motor being fixed on hoisting mechanism, the revolving bed being rotatably connected on upset motor output shaft And it is fixedly installed on the clamp system on revolving bed.

2. automatic turning device as claimed in claim 1, it is characterised in that the hoisting mechanism includes lifting motor and ball Screw mandrel, the ball screw are vertically installed in the frame, and the lifting motor is connected by shaft coupling and ball screw one end Connect, the nut of the ball screw is arranged in nut bracket, and the upset motor is fixed on the nut bracket.

3. automatic turning device as claimed in claim 2, it is characterised in that the elevating mechanism also includes guide rail, described to lead Rail is set in parallel in the side of the ball screw, and sliding block, the sliding block, nut bracket and upset electricity are provided with the guide rail Machine is fixedly connected by lifter plate.

4. automatic turning device as claimed in claim 3, it is characterised in that be additionally provided between the guide rail and the frame Side plate, the back side of the side plate are provided with sensor slide rail, and groove type photoelectric switch is arranged in the sensor slide rail, the spiral shell The anti-dazzling screen coordinated with the groove type photoelectric switch is installed on female support.

5. automatic turning device as claimed in claim 3, it is characterised in that the guide rail has two, two guide rails point The both sides of the ball screw are not arranged on, and the both ends of the guide rail are fixed with sliding block stopper.

6. automatic turning device as claimed in claim 1, it is characterised in that pacify between the upset motor and the revolving bed Equipped with roller bearing, the roller bearing is fixed with the upset motor, and the roller bearing both sides are additionally provided with pad.

7. automatic turning device as claimed in claim 1, it is characterised in that the clamp system includes thrust cylinder, first Clamping plate, the second clamping plate, clamping cylinder and clamping jaw, the thrust cylinder is fixed on the center of first clamping plate, described The side that first clamping plate installs the thrust motor is fixed with the revolving bed, and the push rod of the thrust cylinder passes through described the One clamping plate is fixed with second clamping plate, and the both ends of first clamping plate and second clamping plate are connected by the axis of guide Connect, the clamping cylinder is arranged on second clamping plate back to the side of first clamping plate, the folder by clamping jaw seat The both ends of tight cylinder are respectively fixed with clamping jaw.

8. automatic turning device as claimed in claim 7, it is characterised in that the clamping cylinder is double-acting cylinder, described Clamping cylinder is at least symmetrically arranged with two.

9. automatic turning device as claimed in claim 7, it is characterised in that second clamping plate by long lumbar hole with it is described Clamping cylinder connects.

10. automatic turning device as claimed in claim 7, it is characterised in that the clamping jaw is provided with clamping jaw on relative face Liner.