CN216328658U - Mechanical claw - Google Patents

Abstract

The utility model relates to the technical field of clamping devices, in particular to a gripper, wherein a bump is fixedly connected with a mounting frame, two conveying components are connected with the mounting frame, an assembly seat is connected with the two conveying components, a guide shaft is connected with the assembly seat, two clamping components are connected with the assembly seat, the guide shaft is connected with the two clamping components, a fixed plate is connected with the guide shaft, a reset spring is connected with the assembly seat and the fixed plate, the sliding components are fixedly connected with the fixed plate, the conveying components drive the assembly seat to drive the sliding components to move in the mounting frame, when the conveying components move to the bump, the fixed plate drives the guide shaft to slide upwards and drives the two clamping components to rotate on the assembly seat and to move away from each other, at the moment, a meat product can be placed between the two clamping components, and when the sliding components slide out of the bump, the two clamping components clamp the meat product, so that the clamping rod needs to realize the clamping of the meat product through the driving of a motor, the structure is complicated, and the reliability problem is reduced.

Description

Mechanical claw

Technical Field

The utility model relates to the technical field of clamping devices, in particular to a mechanical claw.

Background

At present, irregular meat products are generally held by hands and cut by hands in the market, so that the cutting accuracy and the production efficiency cannot be guaranteed, and extremely high potential safety hazards exist, and therefore the meat products need to be clamped by mechanical claws;

the existing mechanical claw drives a clamping rod to rotate through a motor, so that the clamping rod clamps or takes and places an article;

however, the clamping rods need to be driven by the motor to clamp meat products, the structure is complex, and the reliability is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mechanical claw, and aims to solve the problems that a clamping rod needs to be driven by a motor to clamp meat products, the structure is complex, and the reliability is reduced.

In order to achieve the above object, the present invention provides a gripper comprising a displacement mechanism and a gripping mechanism;

the displacement mechanism comprises a mounting frame, a lug and two conveying assemblies, the lug is fixedly connected with the mounting frame and is positioned on the inner side wall of the mounting frame, the two conveying assemblies are respectively and fixedly connected with the mounting frame and are both positioned on the inner side wall of the mounting frame, and the mounting frame is provided with two sliding chutes;

the clamping mechanism comprises an assembly seat, a guide shaft, two clamping components, a fixed plate, two reset springs and a sliding component, wherein the assembly seat is fixedly connected with the two conveying components and is positioned between the two conveying components, the guide shaft is slidably connected with the assembly seat and penetrates through the assembly seat, the two clamping components are respectively rotatably connected with the assembly seat and penetrate through the assembly seat, the guide shaft is rotatably connected with the two clamping components, the fixed plate is fixedly connected with the guide shaft and is positioned at one side far away from the clamping components, one sides of the two reset springs are respectively fixedly connected with the assembly seat, the other sides of the two reset springs are respectively fixedly connected with the fixed plate and are positioned between the assembly seat and the fixed plate, and the sliding component is fixedly connected with the fixed plate, and is located adjacent to one side of the mounting bracket.

The conveying assembly drives the assembly seat to drive the sliding assembly to move in the mounting frame, in the process that the sliding assembly moves to the lug, the sliding assembly drives the guide shaft to slide towards one side far away from the mounting frame on the assembly seat through the fixing plate, so that the guide shaft drives the two clamping assemblies to rotate on the assembly seat and to be far away from each other in the moving process, at the moment, meat products can be placed between the two clamping assemblies, the assembly seat continues to move under the driving of the conveying assembly to enable the sliding assembly to slide out of the lug, at the moment, the resilience force of the return spring pushes the fixing plate to drive the guide shaft to move towards the direction close to the mounting frame until the sliding assembly is in contact with the mounting frame, so that the guide shaft drives the two clamping assemblies to rotate on the assembly seat and to be close to each other in the sliding process of the assembly seat And (4) clamping the meat product.

The clamping assembly comprises a driven shaft, a connecting piece and two clamping rods, the driven shaft is rotatably connected with the assembly base and penetrates through the assembly base, the connecting piece is rotatably connected with the driven shaft and located on the outer side wall of the driven shaft, the two clamping rods are respectively rotatably connected with the connecting piece and located on two sides of the connecting piece, and the two clamping rods are respectively rotatably connected with the guide shaft.

The two clamping rods of the clamping assembly are connected with the driven shaft through the connecting piece, and when the guide shaft slides on the assembly seat, the clamping rods are pushed to rotate on the assembly seat through the driven shaft.

The sliding assembly comprises two supports and sliding wheels, the two supports are fixedly connected with the fixed plate respectively and are located on one side close to the mounting rack, and the sliding wheels are rotatably connected with the two supports and located between the two supports.

The sliding wheel of the sliding component is fixed on the fixing plate through the support and driven to rotate on the support along the moving direction of the assembly seat, and the sliding wheel slides on the mounting frame and the lug when rotating.

The sliding assembly further comprises a damping sleeve, and the damping sleeve is fixedly connected with the sliding wheel and is positioned on the outer side wall of the sliding wheel.

The shock absorption sleeve can absorb shock generated when the sliding wheel slides on contact with the mounting frame and the lug, and the stability of the assembly seat is improved.

The clamping mechanism further comprises a fixing support and a plurality of fixing pieces, the fixing pieces are detachably connected with the assembly base and are located on the inner side wall of the assembly base, and the fixing pieces are respectively in threaded connection with the fixing support and penetrate through the assembly base.

The fixing support is fixed on the assembly seat through the fixing piece, and the fixing support is used for placing meat to be produced and fixing meat products in a range which can be clamped by the clamping rods.

The fixing piece comprises a threaded rod and a limiting block, the threaded rod is connected with the fixed support through threads and penetrates through the assembly seat, and the limiting block is fixedly connected with the threaded rod and located on the outer side wall of the threaded rod.

The threaded rod fixes the fixing support on the assembly seat, and the limiting block can limit the tail end of the threaded rod on the outer side wall of the assembly seat, so that the threaded rod is prevented from excessively extending into the fixing support and being separated from the assembly seat.

The clamping mechanism further comprises a plurality of rotating shafts and a plurality of idler wheels, the rotating shafts are fixedly connected with the assembly base respectively and located on two sides of the assembly base respectively, and the idler wheels are connected with the rotating shafts in a rotating mode and located in the sliding grooves.

The roller wheel rotates on the rotating shaft along with the moving direction of the assembly seat and slides in the sliding groove in the rotating process, the up-and-down moving range of the assembly seat is limited by the sliding of the roller wheel on the assembly seat on the sliding groove, and the assembly seat is prevented from being disconnected from the conveying assembly when the guide shaft slides on the assembly seat.

The clamping mechanism further comprises a plurality of positioning blocks, the positioning blocks are in threaded connection with the rotating shafts respectively and are located on one side far away from the assembly seat.

The positioning block fixes the roller on the rotating shaft, so that the roller is prevented from falling off from the rotating shaft.

According to the gripper, the assembly seat is driven by the conveying component to drive the sliding component to move in the mounting frame, the sliding component drives the guide shaft to slide towards one side far away from the mounting frame on the assembly seat through the fixing plate in the process that the sliding component moves onto the lug, so that the guide shaft drives the two clamping components to rotate on the assembly seat and to move away from each other in the moving process, a meat product can be placed between the two clamping components, the assembly seat continues to move under the driving of the conveying component so that the sliding component slides out of the lug, at the moment, the resilience force of the return spring pushes the fixing plate to drive the guide shaft to move towards the direction close to the mounting frame until the sliding component is in contact with the mounting frame, and the guide shaft drives the two clamping components to move towards the assembly seat in the sliding process of the assembly seat Rotate on the seat and be close to each other and press from both sides the meat product tightly, solved the supporting rod and need realized the centre gripping to the meat product through the drive of motor, the structure is complicated, has reduced the problem of reliability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a gripper provided in accordance with the present invention;

FIG. 2 is a schematic structural view of the clamping mechanism;

FIG. 3 is a front view of the clamping mechanism;

FIG. 4 is a schematic structural view of the fixing plate, the guide shaft and the clamping assembly;

fig. 5 is a cross-sectional view of the displacement mechanism.

The device comprises a 1-displacement mechanism, a 2-clamping mechanism, a 3-mounting frame, a 4-sliding chute, a 5-convex block, a 6-transmission assembly, a 7-assembly seat, an 8-guide shaft, a 9-clamping assembly, a 10-reset spring, a 11-fixing plate, a 12-sliding assembly, a 13-driven shaft, a 14-connecting piece, a 15-clamping rod, a 16-bracket, a 17-sliding wheel, an 18-damping sleeve, a 19-fixing support, a 20-fixing piece, a 21-threaded rod, a 22-limiting block, a 23-rotating shaft, a 24-roller and a 25-positioning block.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 5, the present invention provides a gripper, which includes a displacement mechanism 1 and a clamping mechanism 2;

the displacement mechanism 1 comprises a mounting frame 3, a lug 5 and two conveying assemblies 6, wherein the lug 5 is fixedly connected with the mounting frame 3 and is positioned on the inner side wall of the mounting frame 3, the two conveying assemblies 6 are respectively and fixedly connected with the mounting frame 3 and are both positioned on the inner side wall of the mounting frame 3, and the mounting frame 3 is provided with two sliding grooves 4;

the clamping mechanism 2 comprises an assembly seat 7, a guide shaft 8, two clamping components 9, a fixing plate 11, two reset springs 10 and a sliding component 12, the assembly seat 7 is fixedly connected with the two conveying components 6 and is positioned between the two conveying components 6, the guide shaft 8 is slidably connected with the assembly seat 7 and penetrates through the assembly seat 7, the two clamping components 9 are respectively rotatably connected with the assembly seat 7 and penetrate through the assembly seat 7, the guide shaft 8 is rotatably connected with the two clamping components 9, the fixing plate 11 is fixedly connected with the guide shaft 8 and is positioned at one side far away from the clamping components 9, one sides of the two reset springs 10 are respectively fixedly connected with the assembly seat 7, the other sides of the two reset springs 10 are respectively fixedly connected with the fixing plate 11 and are positioned between the assembly seat 7 and the fixing plate 11, the sliding assembly 12 is fixedly connected with the fixed plate 11 and is located at one side close to the mounting frame 3.

In this embodiment, the conveying element 6 of the displacement mechanism 1 drives the assembly base 7 to drive the sliding element 12 to move in the mounting frame 3, during the process that the sliding element 12 moves onto the projection 5, the sliding element 12 drives the guide shaft 8 to slide on the assembly base 7 to a side away from the mounting frame 3 through the fixing plate 11, so that the guide shaft 8 drives the two clamping elements 9 to rotate on the assembly base 7 and move away from each other during the moving process, at this time, a meat product can be placed between the two clamping elements 9, the assembly base 7 continues to move under the driving of the conveying element 6 so that the sliding element 12 slides out of the projection 5, at this time, the resilience of the return spring 10 pushes the fixing plate 11 to drive the guide shaft 8 to move in a direction close to the mounting frame 3, until sliding component 12 with mounting bracket 3 contact makes guide shaft 8 be in gliding in-process drive two on the assembly seat 7 clamping component 9 is in rotate and be close to each other on the assembly seat 7 and press from both sides the meat product tightly, solved the clamping rod and need realized the centre gripping to the meat product through the drive of motor, the structure is complicated, has reduced the problem of reliability.

Further, the clamping assembly 9 includes a driven shaft 13, a connecting member 14 and two clamping rods 15, the driven shaft 13 is rotatably connected with the assembly seat 7 and penetrates through the assembly seat 7, the connecting member 14 is rotatably connected with the driven shaft 13 and is located on the outer side wall of the driven shaft 13, the two clamping rods 15 are respectively rotatably connected with the connecting member 14 and are respectively located on two sides of the connecting member 14, and the two clamping rods 15 are respectively rotatably connected with the guide shaft 8; the sliding assembly 12 comprises two brackets 16 and a sliding wheel 17, the two brackets 16 are respectively and fixedly connected with the fixed plate 11 and are positioned at one side close to the mounting rack 3, and the sliding wheel 17 is rotatably connected with the two brackets 16 and is positioned between the two brackets 16; the sliding assembly 12 further comprises a damping sleeve 18, and the damping sleeve 18 is fixedly connected with the sliding wheel 17 and is positioned on the outer side wall of the sliding wheel 17; the clamping mechanism 2 further comprises a fixing support 19 and a plurality of fixing pieces 20, the fixing pieces 20 are detachably connected with the assembly base 7 and are positioned on the inner side wall of the assembly base 7, and the fixing pieces 20 are respectively in threaded connection with the fixing support 19 and penetrate through the assembly base 7; the fixing part 20 comprises a threaded rod 21 and a limiting block 22, the threaded rod 21 is in threaded connection with the fixing support 19 and penetrates through the assembly seat 7, and the limiting block 22 is fixedly connected with the threaded rod 21 and is positioned on the outer side wall of the threaded rod 21; the clamping mechanism 2 further comprises a plurality of rotating shafts 23 and a plurality of rollers 24, the rotating shafts 23 are respectively and fixedly connected with the assembly base 7 and respectively positioned at two sides of the assembly base 7, and the rollers 24 are respectively and rotatably connected with the rotating shafts 23 and are respectively positioned in the sliding grooves 4; the clamping mechanism 2 further comprises a plurality of positioning blocks 25, and the plurality of positioning blocks 25 are respectively in threaded connection with the plurality of rotating shafts 23 and are located on one side far away from the assembly base 7.

In this embodiment, the two clamping rods 15 of the clamping assembly 9 are connected with the driven shaft 13 through the connecting piece 14, and when the guide shaft 8 slides on the assembly seat 7, the clamping rods 15 are pushed to rotate on the assembly seat 7 through the driven shaft 13; the sliding wheel 17 of the sliding component 12 is fixed on the fixing plate 11 through the bracket 16 and driven to rotate on the bracket 16 along with the moving direction of the assembly seat 7, and the sliding wheel 17 slides on the mounting frame 3 and the lug 5 when rotating; the shock-absorbing sleeve 18 can absorb shock generated when the sliding wheel 17 slides in contact with the mounting frame 3 and the lug 5, so that the stability of the assembly seat 7 is improved; the fixing support 19 is fixed on the assembly seat 7 through the fixing part 20, the fixing support 19 is used for placing meat production, and fixing meat products in a range which can be clamped by the clamping rod 15; the threaded rod 21 fixes the fixing support 19 on the assembly seat 7, and the limiting block 22 can limit the end of the threaded rod 21 on the outer side wall of the assembly seat 7, so as to prevent the threaded rod 21 from excessively extending into the fixing support 19 and being separated from the assembly seat 7; the roller 24 rotates on the rotating shaft 23 following the moving direction of the assembly seat 7 and slides in the sliding groove 4 during the rotation, the roller 24 on the assembly seat 7 limits the up-down moving range of the assembly seat 7 by sliding on the sliding groove 4, and the assembly seat 7 is prevented from being disconnected from the conveying component 6 when the guide shaft 8 slides on the assembly seat 7; the positioning block 25 fixes the roller 24 on the rotating shaft 23, so that the roller 24 is prevented from falling off from the rotating shaft 23.

In the gripper of the present invention, the conveying component 6 of the displacement mechanism 1 drives the assembly base 7 to drive the sliding component 12 to move in the mounting frame 3, during the process that the sliding component 12 moves onto the projection 5, the sliding component 12 drives the guide shaft 8 to slide on the assembly base 7 to a side away from the mounting frame 3 through the fixing plate 11, so that the guide shaft 8 drives the two clamping components 9 to rotate on the assembly base 7 and move away from each other during the moving process, at this time, a meat product can be placed between the two clamping components 9, the assembly base 7 continues to move under the driving of the conveying component 6 so that the sliding component 12 slides out of the projection 5, at this time, the resilience force of the return spring 10 pushes the fixing plate 11 to drive the guide shaft 8 to move in a direction close to the mounting frame 3, until sliding component 12 with mounting bracket 3 contact makes guide shaft 8 be in gliding in-process drive two on the assembly seat 7 clamping component 9 is in rotate and be close to each other on the assembly seat 7 and press from both sides the meat product tightly, solved the clamping rod and need realized the centre gripping to the meat product through the drive of motor, the structure is complicated, has reduced the problem of reliability.

While the above disclosure is directed to the preferred embodiment of the gripper, it will be understood that the utility model is not limited thereto, and that all or part of the process flow of the above embodiment may be implemented by one of ordinary skill in the art, and all equivalent variations and modifications may be made thereto without departing from the scope of the utility model as defined by the appended claims.

Claims (8)

1. The mechanical claw is characterized by comprising a displacement mechanism and a clamping mechanism;

the displacement mechanism comprises a mounting frame, a lug and two conveying assemblies, the lug is fixedly connected with the mounting frame and is positioned on the inner side wall of the mounting frame, the two conveying assemblies are respectively and fixedly connected with the mounting frame and are both positioned on the inner side wall of the mounting frame, and the mounting frame is provided with two sliding chutes;

the clamping mechanism comprises an assembly seat, a guide shaft, two clamping components, a fixed plate, two reset springs and a sliding component, wherein the assembly seat is fixedly connected with the two conveying components and is positioned between the two conveying components, the guide shaft is slidably connected with the assembly seat and penetrates through the assembly seat, the two clamping components are respectively rotatably connected with the assembly seat and penetrate through the assembly seat, the guide shaft is rotatably connected with the two clamping components, the fixed plate is fixedly connected with the guide shaft and is positioned at one side far away from the clamping components, one sides of the two reset springs are respectively fixedly connected with the assembly seat, the other sides of the two reset springs are respectively fixedly connected with the fixed plate and are positioned between the assembly seat and the fixed plate, and the sliding component is fixedly connected with the fixed plate, and is located adjacent to one side of the mounting bracket.

2. The gripper of claim 1,

the clamping assembly comprises a driven shaft, a connecting piece and two clamping rods, the driven shaft is rotatably connected with the assembly base and penetrates through the assembly base, the connecting piece is rotatably connected with the driven shaft and is positioned on the outer side wall of the driven shaft, the two clamping rods are respectively rotatably connected with the connecting piece and are respectively positioned on two sides of the connecting piece, and the two clamping rods are respectively rotatably connected with the guide shaft.

3. The gripper of claim 1,

the sliding assembly comprises two supports and two sliding wheels, the two supports are fixedly connected with the fixed plate respectively and are located at one side close to the mounting rack, and the sliding wheels are rotatably connected with the two supports and are located between the two supports.

4. A gripper according to claim 3,

the sliding assembly further comprises a damping sleeve, and the damping sleeve is fixedly connected with the sliding wheel and is positioned on the outer side wall of the sliding wheel.

5. The gripper of claim 1,

the clamping mechanism further comprises a fixing support and a plurality of fixing pieces, the fixing pieces are detachably connected with the assembly base and are located on the inner side wall of the assembly base, and the fixing pieces are respectively in threaded connection with the fixing support and penetrate through the assembly base.

6. A gripper according to claim 5,

the mounting includes threaded rod and stopper, the threaded rod with fixed support threaded connection, and run through the assembly seat, the stopper with threaded rod fixed connection, and be located the threaded rod lateral wall.

7. The gripper of claim 1,

the clamping mechanism further comprises a plurality of rotating shafts and a plurality of idler wheels, the rotating shafts are fixedly connected with the assembly base respectively and located on two sides of the assembly base respectively, and the idler wheels are connected with the rotating shafts in a rotating mode and located in the sliding grooves.

8. The gripper of claim 7,

the clamping mechanism further comprises a plurality of positioning blocks, the positioning blocks are respectively in threaded connection with the rotating shafts and are located on one side far away from the assembly seat.

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