CN212355671U

CN212355671U - Double-station workpiece grabbing mechanism

Info

Publication number: CN212355671U
Application number: CN202020679742.2U
Authority: CN
Inventors: 王文杰
Original assignee: Handtmann Light Metal Foundry Tianjin Co ltd
Current assignee: Handtmann Light Metal Foundry Tianjin Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-01-15
Anticipated expiration: 2030-04-28

Abstract

The utility model relates to a duplex position work piece snatchs mechanism, including lifting and drop rotating platform, the pillar, grabbing device, the pillar is fixed on lifting and drop rotating platform, grabbing device symmetry sets up in the pillar both sides, grabbing device includes revolving cylinder, the support column, push rod cylinder and snatch the subassembly, revolving cylinder fixes on the stand, revolving cylinder's output passes through the mounting panel and is connected with the support column, the top and the first connecting plate of support column are connected, stand and second connecting plate are passed through on the upper portion of first connecting plate and are connected, install push-and-pull cylinder on the second connecting plate, push-and-pull cylinder's output passes the second connecting plate and with snatch the subassembly and be connected, push-and-pull cylinder push-and-pull snatch. The utility model discloses simple structure, can realize snatching in turn to the work piece, improve work efficiency.

Description

Double-station workpiece grabbing mechanism

Technical Field

The utility model relates to a work piece snatchs technical field, especially relates to a duplex position work piece snatchs mechanism.

Background

A finished machined workpiece needs to be machined through multiple working procedures, and in the existing machining, after the workpiece is machined through one working procedure, a worker needs to manually change to the next working procedure for machining. The clamping is carried out manually, the efficiency is low, and the labor intensity of workers is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a simple structure, can realize snatching in turn to the work piece, improve work efficiency's duplex position work piece snatchs mechanism.

The utility model provides a duplex position work piece snatchs mechanism, including lift rotary platform, pillar, grabbing device, the pillar is fixed on lift rotary platform, the grabbing device symmetry sets up in the pillar both sides, grabbing device includes revolving cylinder, support column, push rod cylinder and snatchs the subassembly, revolving cylinder fixes on the stand, revolving cylinder's output is connected with the support column through the mounting panel, the top of support column is connected with first connecting plate, the upper portion of first connecting plate is connected with the second connecting plate through the stand, install push-and-pull cylinder on the second connecting plate, push-and-pull cylinder's output passes the second connecting plate and with snatch the subassembly and be connected;

the grabbing assembly comprises a first grabbing arm, a second grabbing arm and a third grabbing arm, the center of the third grabbing arm is fixed with the output end of the push-pull cylinder, the two ends of the third grabbing arm are respectively and sequentially connected with the second grabbing arm and the first grabbing arm in a rotating mode, one end of the second grabbing arm vertically slides relative to one end of the first grabbing arm, and the other end of the first grabbing arm is arranged on the second connecting plate and horizontally slides relative to the second connecting plate.

Preferably, a first sliding groove is formed in one end of the second grabbing arm, the top of the first grabbing arm is arranged in the first sliding groove and is rotatably connected with the two sides of the second grabbing arm through a first connecting shaft, third sliding grooves are formed in the two sides of the first grabbing arm, the first connecting shaft transversely penetrates through the first grabbing arm and vertically slides along the third sliding grooves, a sliding block is arranged at the bottom of the first grabbing arm, and a fourth sliding groove connected with the sliding block in a matched mode is formed in the second connecting plate.

In any one of the above schemes, preferably, the other end of the second grabbing arm is provided with a second sliding chute, and the end of the third grabbing arm is arranged in the second sliding chute and is rotatably connected with two sides of the second grabbing arm through a second connecting shaft.

In any of the above schemes, preferably, a rubber block is arranged on an end face of one end of the first grabbing arm.

Preferably in any one of the above schemes, the lifting and rotating platform comprises a rotating platform, a connecting platform, a base, a scissor assembly and a motor, the rotating platform is arranged above the connecting platform, the base is arranged below the connecting platform, the motor is arranged at the lower part of the connecting platform, the output end of the motor is connected with the rotating platform, and the upper end and the lower end of the scissor assembly are respectively connected with the connecting platform and the base.

In any of the above schemes, preferably, the scissor assembly includes a first scissor arm, a second scissor arm and a hydraulic cylinder, the first scissor arm and the second scissor arm are arranged in a crossing manner, the centers of the first scissor arm and the second scissor arm are rotationally connected, the first scissor arm and the second scissor arm are respectively arranged in two groups in parallel, the lower ends of the first scissor arms are connected through a first connecting rod, the upper ends of the first scissor arms are connected through a third connecting rod, the lower ends of the second lower scissor arms are connected through a second connecting rod, the upper ends of the second lower scissor arms are connected through a fourth connecting rod, the base and the connecting platform are both provided with a fifth chute, both ends of the first connecting rod and the fourth connecting rod slide relative to the fifth chute, one end of the hydraulic oil cylinder is rotatably connected with the first connecting rod, and the other end of the hydraulic oil cylinder is rotatably connected with the fourth connecting rod through a hydraulic rod.

In any of the above schemes, preferably, reinforcing plates are symmetrically arranged between both sides of the pillar and the lifting rotating platform.

Compared with the prior art, the utility model has the advantages and beneficial effects do:

1. the workpiece grabbing device has the advantages that the workpieces can be grabbed alternately, grabbing and putting down the workpieces are achieved simultaneously, a traditional manual clamping mode is replaced, the structure is simple, the operation is simple and convenient, the working efficiency is improved, and the labor intensity of workers is reduced.

2. Through being equipped with revolving cylinder, revolving cylinder drives in order to loop through support column, first connecting plate, second connecting plate and snatchs the vertical rotation of subassembly, makes the work piece be located all the time on snatching the subassembly at the transfer in-process to when avoiding the work piece to be located and snatching the subassembly, the work piece drops the phenomenon because of self gravity at the transfer in-process.

3. Through being equipped with push-and-pull cylinder, snatching the subassembly, snatch the subassembly through push-and-pull cylinder push-and-pull in order to realize comparing the work piece to the inside butt of work piece with pressing from the outside clamp, can avoid the influence to work piece surface finish, moreover, because the work piece is shell structure, can realize on the basis of guaranteeing to press from both sides the structural stability, reduce to shell overall structure extrusion deformation, guarantee work piece yield.

The following describes the double-station workpiece grabbing mechanism of the present invention with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a double-station workpiece gripping mechanism of the present invention;

FIG. 2 is a top view of the structure of FIG. 1 at A;

fig. 3 is a schematic structural view of the double-station workpiece gripping mechanism when the gripping assembly is retracted;

FIG. 4 is a side view of the structure of FIG. 3 at B;

FIG. 5 is a schematic diagram of the structure at C in FIG. 1;

wherein: 1. a rotating table; 2. a pillar; 3. a rotating cylinder; 4. mounting a plate; 5. a support pillar; 6. a first connecting plate; 7. a column; 8. a second connecting plate; 81. a fourth chute; 9. a first gripper arm; 91. a slider; 10. a second gripper arm; 101. a first chute; 102. a second chute; 11. a third gripper arm; 12. a push-pull cylinder; 13. connecting the platform; 14. a first scissor arm; 15. a hydraulic cylinder; 16. a second scissor arm; 17. a base; 18. a motor; 19. a reinforcing plate; 20. a first connecting rod; 21. a second connecting rod; 22. a third connecting rod; 23. a fourth connecting rod; 24. and a fifth chute.

Detailed Description

As shown in fig. 1, the utility model provides a duplex position work piece snatchs mechanism, including lifting and drop rotating platform, pillar 2, grabbing device, pillar 2 is fixed on lifting and drop rotating platform, grabbing device symmetry sets up in pillar 2 both sides, grabbing device includes revolving cylinder 3, support column 5, push rod cylinder and snatch the subassembly, revolving cylinder 3 is fixed on stand 7, revolving cylinder 3's output passes through mounting panel 4 and is connected with support column 5, the top and the first connecting plate 6 of support column 5 are connected, stand 7 and second connecting plate 8 are passed through to the upper portion of first connecting plate 6 are connected, install push-and-pull cylinder 12 on the second connecting plate 8, push-and-pull cylinder 12's output passes second connecting plate 8 and with snatch the subassembly and be connected, push-and-pull cylinder 12 push-and-pull snatchs subassembly is in order to realize.

The double-station workpiece grabbing mechanism is arranged between adjacent machining processes and used for grabbing a transmission shell. The specific working process is as follows: one of them grabbing device is rotatory to last process work piece top under lifting and drop rotating platform's effect, and revolving cylinder 3 moves, loops through support column 5, first connecting plate 6, second connecting plate 8 and drives and snatchs the vertical rotation of subassembly, makes and snatchs the subassembly face down, and lifting and drop rotating platform moves once more, makes and snatchs the subassembly and descend to the casing in, and push-and-pull cylinder 12 moves, and the subassembly is snatched in the downward pulling, makes the both ends and the work piece inner wall looks butt of snatching the subassembly, realizes snatching the work piece.

The lifting and rotating platform acts to enable the grabbing component with the workpiece to ascend, the rotating cylinder 3 acts to drive the grabbing component to vertically rotate again through the support column 5, the first connecting plate 6 and the second connecting plate 8, and the grabbing component with the workpiece faces upwards. The lifting and rotating platform acts once more, so that the grabbing component with the workpiece rotates to the next procedure, then the rotating cylinder 3 drives the grabbing component to rotate vertically, the grabbing component surface with the workpiece is made to face downwards, the grabbing component is driven by the lifting and rotating platform to descend once more, after the workpiece is contacted with the conveying belt of the next procedure, the push-pull cylinder 12 acts, the grabbing component is pushed upwards, the two ends of the grabbing component are separated from the inner wall of the workpiece, the workpiece is released, and therefore the process of grabbing and transferring the workpiece is completed. At the same time, another grabbing device repeats the above-mentioned actions, so as to make the circulation.

The duplex position work piece snatchs mechanism of this embodiment can realize snatching in turn to the work piece to the realization is snatched and is put down the work piece and go on simultaneously, replaces traditional artifical clamp and gets the mode, simple structure, and is easy and simple to handle, improves work efficiency, reduces workman intensity of labour.

The duplex position work piece of this embodiment snatchs the mechanism through being equipped with revolving cylinder 3, and revolving cylinder 3 drives in order to loop through support column 5, first connecting plate 6, second connecting plate 8 and snatch the vertical rotation of subassembly, makes the work piece be located all the time on snatching the subassembly at the transfer in-process to when avoiding the work piece to be located and snatching the subassembly under, the work piece is because of self gravity at the transfer in-process phenomenon that drops.

The duplex position work piece of this embodiment snatchs the mechanism through being equipped with push-and-pull cylinder 12, snatchs the subassembly through push-and-pull cylinder 12 push-and-pull and snatchs the subassembly in order to realize pressing from both sides the butt and the separation inside the work piece, with press from the outside clamp and compare, can avoid the influence to the work piece surface finish, moreover, because the work piece is shell structure, can realize pressing from both sides the basis of getting structural stability in the assurance, reduce to shell overall structure extrusion deformation, guarantee work piece yield.

The grabbing component comprises a first grabbing arm 9, a second grabbing arm 10 and a third grabbing arm 11, the center of the third grabbing arm 11 is fixed with the output end of the push-pull air cylinder 12, two ends of the third grabbing arm 11 are respectively and sequentially connected with the second grabbing arm 10 and the first grabbing arm 9 in a rotating mode, one end of the second grabbing arm 10 vertically slides relative to one end of the first grabbing arm 9, and the other end of the first grabbing arm 9 is arranged on the second connecting plate 8 and horizontally slides relative to the second connecting plate 9.

Wherein, the first spout 101 has been seted up to the one end that the arm 10 was snatched to the second, the first top of snatching the arm 9 is located in the first spout 101 and is connected through the rotation of first connecting axle and the both sides that the arm 10 was snatched to the second, the third spout has been seted up to the first both sides of snatching the arm 9, first connecting axle transversely runs through first arm 9 of snatching and along the vertical slip of third spout, the first bottom of snatching the arm 9 is equipped with slider 91, be equipped with the fourth spout 81 of being connected with slider 91 cooperation on the second connecting plate 8.

The other end of the second grabbing arm 10 is provided with a second sliding chute 102, and the end of the third grabbing arm 11 is arranged in the second sliding chute 102 and is rotatably connected with the two sides of the second grabbing arm 10 through a second connecting shaft.

The specific working process of the grabbing component comprises the following steps: as shown in fig. 1 and fig. 2, the structure of the grasping assembly abutting against the inner wall of the workpiece is schematically illustrated. The push-pull air cylinder 12 pulls the third grabbing arm 11 downwards, and two ends of the third grabbing arm 11 respectively drive the second grabbing arm 10 and the first grabbing arm 9 in sequence, so that the third grabbing arm 11 is perpendicular to the axis of the second grabbing arm 10, and the second grabbing arm 10 is coaxial with the axis of the first grabbing arm 9. At this time, one end of the second grabbing arm 10 rotates relative to the top of the first grabbing arm 9 through the first connecting shaft and slides downwards along the third sliding chute, the bottom of the first grabbing arm 9 slides outwards along the fourth sliding chute 81 through the sliding block 91, and the other end of the second grabbing arm 10 rotates relative to the third grabbing arm 11 through the second connecting shaft.

As shown in fig. 3 and 4, the structure of the grabbing component for separating the inner wall of the workpiece is schematically shown. The push-pull air cylinder 12 pushes the third grabbing arm 11 upwards, and two ends of the third grabbing arm 11 respectively drive the second grabbing arm 10 and the first grabbing arm 9 in sequence, so that the axis of the third grabbing arm 11 and the axis of the second grabbing arm 10 are coaxial, and the axis of the second grabbing arm 10 is perpendicular to the axis of the first grabbing arm 9. At this time, one end of the second grabbing arm 10 rotates relative to the top of the first grabbing arm 9 through the first connecting shaft and slides upwards along the third sliding chute, the bottom of the first grabbing arm 9 slides inwards horizontally along the fourth sliding chute 81 through the sliding block 91, and the other end of the second grabbing arm 10 rotates relative to the third grabbing arm 11 through the second connecting shaft.

Furthermore, a rubber block is arranged on the end face of one end of the first grabbing arm 9. Due to the arrangement of the rubber block, on one hand, the phenomenon that the grabbing component is scratched when being abutted against the inner wall of the workpiece can be effectively prevented, so that the quality of the workpiece is ensured; on the other hand, because the rubber block itself has elasticity, can guarantee to snatch the butt effort between subassembly and the work piece, increase the frictional force between first arm 9 and the work piece inner wall of snatching simultaneously to guarantee to snatch the structural stability of snatching between subassembly and the work piece, prevent that the work piece from droing.

Further, as shown in fig. 1 and 5, the lifting and rotating platform includes a rotating platform 1, a connecting platform 13, a base 17, a scissor assembly, and a motor 18, the rotating platform 1 is disposed above the connecting platform 13, the base 17 is disposed below the connecting platform 13, the motor 18 is disposed at the lower portion of the connecting platform 13, an output end of the motor 18 is connected to the rotating platform 1, and an upper end and a lower end of the scissor assembly are respectively connected to the connecting platform 13 and the base 17.

The scissor assembly comprises a first scissor arm 14, a second scissor arm 16 and a hydraulic oil cylinder 15, the first scissor arm 14 and the second scissor arm 16 are arranged in a crossed manner, the centers of the first scissor arm 14 and the second scissor arm 16 are rotatably connected, the first scissor arm 14 and the second scissor arm 16 are arranged in two groups in parallel, the lower end of the first scissor arm 14 is connected through a first connecting rod 20, the upper end of the first scissor arm 14 is connected through a third connecting rod 22, the lower end of the second lower scissor arm is connected through a second connecting rod 21, the upper end of the second lower scissor arm is connected through a fourth connecting rod 23, a base 17 and a connecting platform 13 are respectively provided with a fifth chute 24, the two ends of the first connecting rod 20 and the fourth connecting rod 23 slide relative to the fifth chute 24, one end of a hydraulic oil cylinder 15 is rotatably connected with the first connecting rod 20, and the other end of the hydraulic oil cylinder 15 is rotatably connected with the fourth connecting rod 23 through a hydraulic rod.

In the structure, the motor 18 drives the rotating platform 1 to rotate so as to drive the gripping device to horizontally rotate, thereby realizing the conversion of double stations between adjacent working procedures. The hydraulic cylinder 15 pushes and pulls the second scissor arm 16, the second scissor arm 16 drives the first scissor arm 14, meanwhile, two ends of the first scissor arm 14 and the second scissor arm 16 rotate relative to the connecting platform 13 and the base 17 respectively, the second scissor arm 16 drives the fourth connecting rod 23 to slide relative to the fifth chute 24, the first scissor arm 14 drives the first connecting rod 20 to slide relative to the fifth chute 24, so that the lifting of the working platform is realized, and the purpose of driving the workpiece to lift to a required position is realized.

Furthermore, reinforcing plates 19 are symmetrically arranged between the two sides of the strut 2 and the lifting rotary platform so as to increase the structural strength between the strut 2 and the lifting rotary platform.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a mechanism is snatched to duplex position work piece which characterized in that: the lifting device comprises a lifting rotary platform, a support column and a grabbing device, wherein the support column is fixed on the lifting rotary platform, the grabbing device is symmetrically arranged on two sides of the support column, the grabbing device comprises a rotary cylinder, a support column, a push rod cylinder and a grabbing assembly, the rotary cylinder is fixed on the support column, the output end of the rotary cylinder is connected with the support column through a mounting plate, the top of the support column is connected with a first connecting plate, the upper part of the first connecting plate is connected with a second connecting plate through the support column, a push-pull cylinder is mounted on the second connecting plate, and the output end of the push-pull cylinder penetrates through the second connecting plate and is connected with the grabbing assembly;

2. The double-station workpiece grabbing mechanism according to claim 1, characterized in that: the second snatchs the one end of arm and has seted up first spout, the first top of snatching the arm locate in the first spout and through first connecting axle with the second snatchs the both sides of arm and rotate and connect, the third spout has been seted up to the first both sides of snatching the arm, first connecting axle transversely runs through first snatchs the arm and follows the vertical slip of third spout, the first bottom of snatching the arm is equipped with the slider, be equipped with the fourth spout of being connected with the slider cooperation on the second connecting plate.

3. The double-station workpiece grabbing mechanism according to claim 1, characterized in that: the other end of the second grabbing arm is provided with a second sliding groove, and the end part of the third grabbing arm is arranged in the second sliding groove and is rotatably connected with the two sides of the second grabbing arm through a second connecting shaft.

4. The double-station workpiece grabbing mechanism according to claim 1, characterized in that: and a rubber block is arranged on one end face of the first grabbing arm.

5. The double-station workpiece grabbing mechanism according to claim 1, characterized in that: the lifting and rotating platform comprises a rotating platform, a connecting platform, a base, a scissor assembly and a motor, wherein the rotating platform is arranged above the connecting platform, the base is arranged below the connecting platform, the motor is arranged on the lower portion of the connecting platform, the output end of the motor is connected with the rotating platform, and the upper end and the lower end of the scissor assembly are respectively connected with the connecting platform and the base.

6. The double-station workpiece grabbing mechanism of claim 5, characterized in that: the scissor assembly comprises a first scissor arm, a second scissor arm and a hydraulic oil cylinder, the first scissor arm and the second scissor arm are arranged in a crossed manner, the centers of the first scissor arm and the second scissor arm are rotationally connected, the first scissor arm and the second scissor arm are respectively arranged in two groups in parallel, the lower ends of the first scissor arms are connected through a first connecting rod, the upper ends of the first scissor arms are connected through a third connecting rod, the lower ends of the second lower scissor arms are connected through a second connecting rod, the upper ends of the second lower scissor arms are connected through a fourth connecting rod, the base and the connecting platform are both provided with a fifth chute, both ends of the first connecting rod and the fourth connecting rod slide relative to the fifth chute, one end of the hydraulic oil cylinder is rotatably connected with the first connecting rod, and the other end of the hydraulic oil cylinder is rotatably connected with the fourth connecting rod through a hydraulic rod.

7. The double-station workpiece grabbing mechanism according to claim 1, characterized in that: reinforcing plates are symmetrically arranged between the two sides of the support and the lifting rotary platform.