CN217322184U

CN217322184U - Part reversing mechanism

Info

Publication number: CN217322184U
Application number: CN202220223240.8U
Authority: CN
Inventors: 张立欣; 姬志恒; 陈飞峰; 马同堂; 葛建伟
Original assignee: Headman Shanghai Automation Technology Co ltd
Current assignee: Headman Shanghai Automation Technology Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-08-30
Anticipated expiration: 2032-01-26

Abstract

The utility model provides a part reversing mechanism belongs to automated processing technical field. The reversing mechanism solves the problem that workpieces are convenient to reverse on the basis of not changing the layout of the existing production workshop. The part reversing mechanism comprises a rack and a back plate, wherein a driving assembly capable of driving the back plate to move up and down is arranged on the rack, a swing cylinder is fixed on the back plate, a gas claw is fixed on a rotating shaft of the swing cylinder, a limiting part is arranged on the swing cylinder, two sides of the gas claw are respectively provided with a supporting part and two supporting parts which are symmetrical to each other, one supporting part is abutted against the limiting part to limit the gas claw to rotate anticlockwise, and when the gas claw rotates clockwise for 180 degrees, the other supporting part can be abutted against the limiting part to limit the gas claw to rotate clockwise. The reversing device can be directly placed on two sides of the conveying belt, the arrangement avoids adding a discharging disc between the machine tool and the working belt, automatic reversing of the workpiece is directly carried out on the working belt in the workpiece conveying process, and the reversing device is very convenient and fast.

Description

Part reversing mechanism

Technical Field

The utility model belongs to the technical field of automated processing, a reversing mechanism is related to, especially, relate to a part reversing mechanism.

Background

At present, workpieces are conveyed through a transmission belt in a mature automatic workshop, the robot arms are used for clamping the workpieces to feed and discharge a machine tool, the conventional robot arms can only do simple linear motion in the horizontal or vertical direction, and the workpieces cannot be overturned, adjusted and processed. Therefore, manpower or a discharging machine is required to be added for the end-recognizing and reversing of the workpiece.

The existing discharging machine is generally a discharging disc, the discharging disc is placed between a workpiece and a conveyor belt, the workpiece falls into the discharging disc, and then enters the conveyor belt for conveying after being discharged and identified, but the defects of the arrangement are as follows: firstly, a station of a discharging disc is required to be added between each machine tool and a conveyor belt in an automatic workshop, so that the production line is greatly lengthened, and the original production line needs to be rearranged; and secondly, the conventional discharging disc cannot be accommodated when a workpiece with a larger size is machined, and the conventional discharging disc is not suitable for use.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a part reversing mechanism. The technical problem that workpieces are convenient to reverse on the basis of not changing the layout of the existing production workshop is solved.

The purpose of the utility model can be realized by the following technical proposal:

a part reversing mechanism comprises a rack and a back plate, wherein a driving assembly capable of driving the back plate to move up and down is arranged on the rack, and the part reversing mechanism is characterized in that a swing cylinder is fixed on the back plate, a gas claw is fixed on a rotating shaft of the swing cylinder, a limiting part is arranged on the swing cylinder, two sides of the gas claw are respectively provided with a stopping part and two stopping parts are mutually symmetrical, one stopping part abuts against the limiting part to limit the gas claw to rotate anticlockwise, and when the gas claw rotates 180 degrees clockwise, the other stopping part can abut against the limiting part to limit the gas claw to rotate clockwise.

This reversing mechanism passes through drive assembly, the switching-over to the work piece is realized in the linkage of tilt cylinder and gas claw, the work piece is carried through the conveyer belt and is come the back and pass through the gas claw with the work piece centre gripping then take the work piece to shift up under drive assembly's effect and break away from the conveyer belt, drive assembly resets after the work piece switching-over on the tilt cylinder rotation drive gas claw drives the work piece and falls into on the conveyer belt again, this reversing arrangement can directly place the both sides at the conveyer belt, the design has been avoided adding the bin outlet tray between lathe and working tape like this, realized directly carrying out the automatic reversing to the work piece on the working tape in work piece transmission process, it is very convenient. And the pneumatic claw can clamp workpieces with different or irregular sizes to drive the workpieces with various sizes to turn over, so that the adaptability is very wide.

Because the gas claw is driven to rotate by the swing cylinder, the cylinder of the swing cylinder can not control the rotation amplitude and the rotation angle of the gas claw, the design of the limiting part and the blocking part is equivalent to that a stroke control device can stop the gas claw after the gas claw rotates 180 degrees in a forward rotation or a reverse rotation way, a workpiece on a conveyor belt is clamped, and the gas claw rotates 180 degrees clockwise after being lifted to overturn the workpiece and then put on the conveyor belt again, so that the rotating angle is very accurate, the deviation can not occur, and the control is very convenient.

In foretell part reversing mechanism, the piece of keeping out includes dog, bolt and two nuts, the dog is fixed at the lateral part of gas claw, the mounting hole has been seted up on the dog, the bolt is worn to establish in the mounting hole and the both ends of bolt all expose outside the both sides drill way of mounting hole, and two nuts are threaded connection respectively and two nuts all support and lean on the dog on the both ends of bolt, the bolt can support and lean on the locating part through the rotation of gas claw.

Because the gas claw is the upset of centre gripping work piece repeatedly, so the piece that keeps out often supports with the locating part and leans on wearing and tearing will be very serious, so this design comes to contact with the locating part through the detachable bolt, even the bolt wearing and tearing have more led to gas claw turned angle to appear the deviation, only need with the nut lift off more change the bolt can, design like this makes this reversing mechanism's life obtain promotion by a wide margin.

In an above-mentioned part reversing mechanism, the gas claw includes two movable blocks that can be close to each other or keep away from each other, all is fixed with the clamp splice on every movable block, all is fixed with soft cushion on every clamp splice.

The gas claw is the push rod and two moving blocks that present conventional technology was generally advanced or retreat by cylinder control, and the inclined plane cooperation between moving block and the push rod, the push rod just can drive the moving block and keep away from each other like this, and fixed clamp splice just can control moving block centre gripping work piece on the moving block, and the design makes centre gripping work piece and upset work piece switching-over more convenient like this.

In the part reversing mechanism, the moving block is provided with a plurality of screw holes along the length direction, the clamping blocks are fixed on the moving block through screws, and each clamping block can be fixed in different screw holes through screws to adjust the distance between the two clamping blocks.

Set up a plurality of screw holes on the movable block of this design's gas claw, the clamp splice is fixed through screw and screw hole, a plurality of screw holes can let the position that the clamp splice is connected adjust, two clamp splices can all carry out the adjustment when meetting less work piece and be connected to two movable block distance nearer screw hole, and meet the work piece great then need go on fixing the clamp splice on the screw hole of two movable blocks far away from, design like this makes this reversing mechanism's adaptability obtain promoting by a wide margin on the basis of guaranteeing to make things convenient for the work piece switching-over.

In the part reversing mechanism, the driving assembly comprises an air cylinder, the air cylinder is vertically arranged on the rack, a push rod of the air cylinder is fixed with the back plate, and the back plate can move up and down under the driving of the push rod of the air cylinder.

The driving assembly of this design is the cylinder, and the backplate shifts up under the promotion of cylinder, and tilt cylinder and gas claw are all connected on the backplate, can let the work piece lifting break away from the conveyer belt again and carry out the switching-over and can not interfere the normal transmission of work piece on the conveyer belt originally, very convenient operation like this.

In the above part reversing mechanism, the driving assembly further comprises two guide rods, the two guide rods are respectively arranged on two sides of the cylinder and parallel to the push rod of the cylinder, each guide rod is sleeved with a guide sleeve capable of sliding along the guide rod, and the two guide sleeves are respectively fixed to two ends of the back plate.

Because the weight of backplate, tilt cylinder and gas claw is great, the holistic focus position of installation back probably has the off normal, so the design of guide bar can let whole backplate slide along the guide bar direction, and the push rod that lets the cylinder promotes more stably, lets holistic structure more stable.

In foretell part reversing mechanism, the bottom of frame is fixed with square base, all be equipped with on four angles of base and be used for fixed silica gel pad, every silica gel pad all overlaps and is equipped with and be used for absorbing silica gel pad.

Compared with the prior art, the product has the advantages that: this reversing mechanism passes through drive assembly, the switching-over to the work piece is realized in the linkage of tilt cylinder and gas claw, the work piece is carried through the conveyer belt and is come the back and pass through the gas claw with the work piece centre gripping then take the work piece to shift up under drive assembly's effect and break away from the conveyer belt, drive assembly resets after the work piece switching-over on the tilt cylinder rotation drive gas claw drives the work piece and falls into on the conveyer belt again, this reversing arrangement can directly place the both sides at the conveyer belt, the design has been avoided adding the bin outlet tray between lathe and working tape like this, realized directly carrying out the automatic reversing to the work piece on the working tape in work piece transmission process, it is very convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

FIG. 4 is a schematic view of a part of the structure of the present invention;

FIG. 5 is a schematic view of a part of the structure of the present invention;

fig. 6 is a partial schematic structural diagram of the present invention.

In the figure, 1, a frame; 11. a base; 12. a stud; 13. a silica gel pad; 2. a back plate; 3. a drive assembly; 31. a cylinder; 32. a guide bar; 33. a guide sleeve; 4. oscillating a cylinder; 5. a pneumatic claw; 51. a moving block; 511. screw holes; 52. a clamping block; 53. a soft rubber cushion; 6. a stopper; 7. a stop member; 71. a stopper; 711. mounting holes; 72. a bolt; 73. and a nut.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

The part reversing mechanism shown in fig. 1-6 comprises a frame 1 and a back plate 2, wherein a driving assembly 3 capable of driving the back plate 2 to move up and down is arranged on the frame 1, the driving assembly 3 comprises a cylinder 31, the cylinder 31 is vertically arranged on the frame 1, a push rod of the cylinder 31 is fixed with the back plate 2, and the back plate 2 can move up and down under the driving of the push rod of the cylinder 31. The driving assembly 3 further comprises two guide rods 32, the two guide rods 32 are respectively arranged on two sides of the cylinder 31 and are parallel to a push rod of the cylinder 31, each guide rod 32 is sleeved with a guide sleeve 33 capable of sliding along the guide rod 32, and the two guide sleeves 33 are respectively fixed to two ends of the back plate 2, a swing cylinder 4 is fixed on the back plate 2, a gas claw 5 is fixed on a rotating shaft of the swing cylinder 4, a limiting part 6 is arranged on the swing cylinder 4, two sides of the gas claw 5 are respectively provided with a supporting part 7, the two supporting parts 7 are symmetrical to each other, one supporting part 7 supports against the limiting part 6 to prevent the gas claw 5 from rotating counterclockwise, and when the gas claw 5 rotates 180 degrees clockwise, the other supporting part 7 supports against the limiting part 6 to prevent the gas claw 5 from rotating clockwise. The drive assembly 3 of this design is cylinder 31, and backplate 2 moves up under the promotion of cylinder 31, and tilt cylinder 4 and gas claw 5 are all connected on backplate 2, can let the work piece lifting break away from the conveyer belt again and commutate and can not interfere the normal transmission of work piece on the conveyer belt originally, very convenient operation. Because backplate 2, tilt cylinder 4 and gas claw 5's weight is great, the holistic focus position of installation back probably has the off normal, so the design of guide bar 32 can let whole backplate 2 slide along the guide bar 32 direction, and it is more stable to let cylinder 31's push rod promote, lets holistic structure more stable. This reversing mechanism passes through cylinder 31, the switching-over to the work piece is realized in the linkage of tilt cylinder 4 and gas claw 5, the work piece is carried through the conveyer belt and is come the back and pass through gas claw 5 with the work piece centre gripping then take the work piece to shift up under drive assembly 3 and break away from the conveyer belt, drive assembly 3 resets after the work piece switching-over on the tilt cylinder 4 rotation drive gas claw 5 drives the work piece and falls into on the conveyer belt again, this reversing arrangement can directly place the both sides at the conveyer belt, the design has been avoided addding row material dish between lathe and working tape like this, realized directly carrying out the automatic reversing to the work piece on the working tape in work piece transmission process, it is very convenient. And the pneumatic claw 5 can clamp workpieces with different or irregular sizes to drive the workpieces with various sizes to turn over and has wide adaptability. Because the gas claw 5 is driven to rotate by the swing cylinder 4, the air cylinder 31 of the swing cylinder 4 can not control the rotation amplitude and the angle of the gas claw 5, the design of the limiting part 6 and the resisting part 7 is equivalent to a stroke control device, so that the gas claw 5 can be stopped no matter the gas claw rotates forwards 180 degrees or reversely 180 degrees, a workpiece on a conveying belt is clamped, the gas claw 5 rotates clockwise 180 degrees after being lifted, the workpiece is overturned and then is put on the conveying belt again, the rotating angle is very accurate, the deviation can not occur, and the control is very convenient.

The stop member 7 comprises a stop block 71, a bolt 72 and two nuts 73, the stop block 71 is fixed on the side portion of the gas claw 5, a mounting hole 711 is formed in the stop block 71, the bolt 72 penetrates through the mounting hole 711, two ends of the bolt 72 are exposed outside two side holes of the mounting hole 711, the two nuts 73 are respectively in threaded connection with two end portions of the bolt 72, the two nuts 73 are abutted against the stop block 71, and the bolt 72 can be abutted against the limiting member 6 through rotation of the gas claw 5. Because the gas claw 5 repeatedly clamps the workpiece and turns over, the abutting part 7 often abuts against the limiting part 6 and is abraded seriously, so that the design is contacted with the limiting part 6 through the detachable bolt 72, even if the bolt 72 is abraded too much, the rotating angle of the gas claw 5 is deviated, only the nut 73 needs to be detached and the bolt 72 needs to be replaced, and the design ensures that the service life of the reversing mechanism is greatly prolonged.

The gas claw 5 is comparatively ripe prior art and mainly includes the shell, the piston chamber has in the shell, the piston chamber slides and is provided with the piston, the end connection of piston has the push rod, still be equipped with the spout on the shell, it is provided with two movable blocks 51 to slide in the spout, the side between two movable blocks 51 is the direction inclined plane of slope, and all have the guide slot on two direction inclined planes along its length direction, the tip of push rod is equipped with and is conical cooperation piece, all be equipped with the fixture block with the guide slot block on the cooperation piece, can promote two movable blocks 51 and keep away from each other when the push rod antedisplacement, and can drive two movable blocks 51 and be close to each other when the push rod shrink resets, two movable blocks 51 that can be close to each other or keep away from, all be fixed with clamp splice 52 on every movable block 51, all be fixed with cushion 53 on every clamp splice 52. Four screw holes 511 are formed in the moving block 51 along the length direction of the moving block, the clamping blocks 52 are fixed on the moving block 51 through screws, and the distance between the two clamping blocks 52 can be adjusted by fixing each clamping block 52 in different screw holes 511 through screws. A plurality of screw holes 511 are formed in the moving block 51 of the gas claw 5, the clamping blocks 52 are fixed with the screw holes 511 through screws, the positions where the clamping blocks 52 are connected can be adjusted through the screw holes 511, when a small workpiece is encountered, the two clamping blocks 52 can be adjusted and connected to the screw holes 511, close to the distance between the two moving blocks 51, when the workpiece is large, the clamping blocks 52 need to be fixed to the screw holes 511 of the two moving blocks 51 far away from each other, and the design ensures that the adaptability of the reversing mechanism is greatly improved on the basis of facilitating reversing of the workpiece.

The bottom of frame 1 is fixed with square base 11, all be equipped with on four angles of base 11 and be used for fixed silica gel pad 13, all the cover is equipped with on every silica gel pad 13 and is used for absorbing silica gel pad 13, this reversing mechanism fixes on the bottom surface of the both sides in workshop conveyer belt through base 11, because this mechanism lifting work piece rotating workpiece whereabouts work piece in the switching-over, the range of these several actions is great, so the impact force that produces also can be great, so silica gel pad 13's design can let and have certain buffering between base 11 and the ground, avoid rigid contact, effective noise reduction.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The part reversing mechanism comprises a rack (1) and a back plate (2), wherein a driving assembly (3) capable of driving the back plate (2) to move up and down is arranged on the rack (1), and the part reversing mechanism is characterized in that a swing cylinder (4) is fixed on the back plate (2), a gas claw (5) is fixed on a rotating shaft of the swing cylinder (4), a limiting part (6) is arranged on the swing cylinder (4), two sides of the gas claw (5) are respectively provided with a supporting part (7), the two supporting parts (7) are mutually symmetrical, one supporting part (7) is abutted against the limiting part (6) to limit the gas claw (5) to rotate anticlockwise, and when the gas claw (5) rotates clockwise for 180 degrees, the other supporting part (7) can be abutted against the limiting part (6) to limit the gas claw (5) to rotate clockwise.

2. The part reversing mechanism according to claim 1, wherein the abutting part (7) comprises a stopper (71), a bolt (72) and two nuts (73), the stopper (71) is fixed on the side part of the gas claw (5), a mounting hole (711) is formed in the stopper (71), the bolt (72) is arranged in the mounting hole (711) in a penetrating manner, two ends of the bolt (72) are exposed out of holes in two sides of the mounting hole (711), the two nuts (73) are respectively in threaded connection with two ends of the bolt (72), the two nuts (73) abut against the stopper (71), and the bolt (72) can abut against the limiting part (6) through rotation of the gas claw (5).

3. A part reversing mechanism according to claim 2, characterized in that the pneumatic claw (5) comprises two moving blocks (51) which can move close to or away from each other, each moving block (51) is fixed with a clamping block (52), and each clamping block (52) is fixed with a soft rubber pad (53).

4. The part reversing mechanism according to claim 3, characterized in that a plurality of screw holes (511) are formed in the moving block (51) along the length direction of the moving block, the clamping blocks (52) are fixed on the moving block (51) through screws, and each clamping block (52) can be fixed in different screw holes (511) through screws to adjust the distance between the two clamping blocks (52).

5. The part reversing mechanism according to any one of claims 1 to 4, wherein the driving assembly (3) comprises a cylinder (31), the cylinder (31) is vertically arranged on the frame (1), a push rod of the cylinder (31) is fixed with the back plate (2), and the back plate (2) can move up and down under the driving of the push rod of the cylinder (31).

6. The part reversing mechanism according to claim 5, characterized in that the driving assembly (3) further comprises two guide rods (32), the two guide rods (32) are respectively arranged on two sides of the cylinder (31) and are parallel to a push rod of the cylinder (31), each guide rod (32) is sleeved with a guide sleeve (33) capable of sliding along the guide rod (32), and the two guide sleeves (33) are respectively fixed with two ends of the back plate (2).

7. The part reversing mechanism according to claim 6, characterized in that a square base (11) is fixed at the bottom of the machine frame (1), four corners of the base (11) are respectively provided with a stud (12) for fixing, and each stud (12) is sleeved with a silica gel pad (13) for damping.