CN216505179U

CN216505179U - Tongs suitable for middle feeding

Info

Publication number: CN216505179U
Application number: CN202123007461.6U
Authority: CN
Inventors: 欧阳路长; 付超; 李企林
Original assignee: Ningbo Ke Well Robots Technology Co ltd
Current assignee: Ningbo Ke Well Robots Technology Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-13
Anticipated expiration: 2031-12-02

Abstract

The utility model provides a tongs suitable for middle feeding which characterized in that: the tongs include left and right cross connection's tongs arm, rotate through two fixed blocks in front and back between the tongs arm through fixing bolt and be in the same place, but the upper end of tongs arm is connected with the spacing removal about the fixed plate certain distance through the connecting axle, and the lower extreme of tongs arm forms vertical clamping part, is equipped with the piece of grabbing in the inboard of clamping part, and the upper end of fixed block is installed the upper end that can drive the tongs arm and is reciprocated, and then realizes grabbing the tight cylinder of piece clamp. The clamping device is simple and reasonable in structure, convenient to operate, firm and stable in grabbing, suitable for middle feeding and capable of clamping and feeding some special irregular products.

Description

Tongs suitable for middle feeding

Technical Field

The utility model belongs to the technical field of automatic machinery, relates to a gripper, and particularly relates to a gripper suitable for middle feeding.

Background

The tongs that are applicable to middle feeding among the present automated machine all reach the purpose of wanting through changing the mounting means by rotatory tongs and ordinary tongs, and the operation mode that has a problem like this often can take place, and is neither convenient, also safe, but also can not snatch processing to some special irregular products.

According to the inspection, the traditional Chinese patent 'a cylinder type tongs' with the patent number of CN202022201416.3 includes tongs body, hydraulic stem, pressure finger and pull finger, the inboard fixed mounting in top of tongs body has the mounting, and the top fixed connection of mounting is in the top of hydraulic stem to be provided with the fixed silk hole directly over the tongs body, through stabilizing block fixed connection in the middle part inboard of tongs body on the middle part outer wall of hydraulic stem, and the bottom inside of hydraulic stem runs through and is provided with the extension rod, press fixedly on the inboard outer wall of finger to be provided with the fixture block, and press and to run through on the outer wall that draws the finger outward and be provided with the driving lever to draw and fixedly on the outer wall that indicates outside driving lever and be provided with the spring. The gripper can effectively reduce the dropping and shaking conditions in the gripping process, but is only suitable for gripping cylindrical objects, has a small application range, and cannot grip and process special irregular products.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the gripper which is simple and reasonable in structure, convenient to operate, firm and stable in gripping and suitable for middle feeding aiming at the technical current situation.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a tongs suitable for middle feeding which characterized in that: the tongs include left and right cross connection's tongs arm, rotate through two fixed blocks in front and back between the tongs arm through fixing bolt and be in the same place, but the upper end of tongs arm is connected with the spacing removal about the fixed plate certain distance through the connecting axle, and the lower extreme of tongs arm forms vertical clamping part, is equipped with the piece of grabbing in the inboard of clamping part, and the upper end of fixed block is installed the upper end that can drive the tongs arm and is reciprocated, and then realizes grabbing the tight cylinder of piece clamp.

As the improvement, the tongs arm divide into grabbing arm and lower grabbing arm, go up the grabbing arm and rotate through connecting bolt between the grabbing arm down and be connected, a round hole has been seted up to the middle lower extreme of fixed block, the middle part of fixed block, a bar hole has vertically been seted up to the top of round hole, lower grabbing arm is L shape, the middle part department of buckling of the lower grabbing arm of controlling tongs arm rotates through fixing bolt and the round hole of front and back fixed block mutually and is connected, the upper end of the last grabbing arm of controlling tongs arm is through grabbing the arm connecting block, the connecting axle is connected with the bar hole of fixed block, the cylinder sets up and is connected with the grabbing arm connecting block in the top of fixed plate, the effect through the cylinder drives the grabbing arm connecting block and reciprocates, the clamp of grabbing arm is tight and is loosened about the realization.

Furthermore, the middle bending part of the lower grabbing arm is provided with a round hole for a fixing bolt to penetrate through, the fixing bolt penetrates through the round hole of the front fixing plate, the round holes of the two lower grabbing arms and the round hole of the rear fixing plate to rotatably connect the middle parts of the two lower grabbing arms together, and the two lower grabbing arms are connected to form an X-shaped structure.

And furthermore, a U-shaped groove for inserting the lower end of the upper grabbing arm is formed in the upper end of the lower grabbing arm, through holes are formed in the front side and the rear side of the U-shaped groove, through holes corresponding to the through holes formed in the lower grabbing arm are formed in the lower end of the upper grabbing arm, the lower end of the upper grabbing arm is inserted into the U-shaped groove and is rotatably connected with the lower grabbing arm through a connecting bolt, and a Z-shaped structure is formed after the upper grabbing arm and the lower grabbing arm are connected.

And furthermore, the upper end of the upper grabbing arm is provided with a shaft hole for the connecting shaft to penetrate through, the grabbing arm connecting block is clamped at the upper ends of the two upper grabbing arms, the grabbing arm connecting block is provided with corresponding connecting shaft holes, the grabbing arm connecting block and the two upper grabbing arms are rotatably connected together through the connecting shaft, and the front end and the rear end of the connecting shaft are arranged in the strip-shaped holes of the fixing plate.

Still further, the fixed plate is the type of protruding font structure that the left and right sides middle part is the inclined plane, and two fixed plates in front and back are the symmetry setting, have seted up the connecting hole that supplies the fixed of cylinder connecting plate in the upper end of fixed plate, and the cylinder connecting plate is fixed to be set up on the fixed plate, and the cylinder passes through the cylinder connecting plate to be installed on the fixed plate, and the lower extreme of cylinder offsets with the upper end of grabbing arm connecting block to be connected.

Further, grab the vertical setting of piece detachably and grab the piece and include exposed core and stiff end on the medial surface of the lower extreme clamping part of tongs arm, the medial surface shaping of the clamping part of tongs arm has the concave surface that supplies the stiff end to inlay to put, and the stiff end of grabbing the piece inlays to put at the concave surface internal fixation, and vertical shaping has the clamping face of arc indent on the exposed core of grabbing the piece.

And finally, edge sealing side plates are respectively arranged on the left side and the right side of the front fixed block and the rear fixed block, the edge sealing side plates are Z-shaped bending plates matched with the side surfaces of the fixed plates, and the edge sealing side plates are oppositely arranged on the side surfaces of the two fixed plates and fixed.

Compared with the prior art, the utility model has the advantages that: the gripper comprises gripper arms which are connected in a left-right cross mode, the gripper arms are divided into an upper gripper arm and a lower gripper arm, the upper gripper arm and the lower gripper arm are connected in a rotating mode to form a Z-shaped structure, the middle parts of the two lower gripper arms are connected with the fixing plate in a rotating mode to form an X-shaped structure, the upper ends of the two upper gripper arms are connected and then are connected with the strip-shaped holes of the fixing plate in a rotating mode through the connecting shafts, and therefore clamping of the two gripper arms is achieved through downward movement of the upper gripper arms; an air cylinder is arranged, and the air cylinder drives the upper grabbing arm to move up and down; the grabbing block is detachable, and the clamping of irregular products can be adjusted by changing the size of the grabbing block. The clamping device is simple and reasonable in structure, firm and stable in grabbing, suitable for middle feeding and capable of clamping and feeding special irregular products.

Drawings

FIG. 1 is a schematic view of an embodiment of the present invention with the cylinder and edge banding side panels removed;

FIG. 2 is a front view of an embodiment of the present invention;

fig. 3 is an exploded view of an embodiment of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1, 2 and 3, the gripper suitable for middle feeding comprises gripper arms 1 which are connected in a left-right cross mode, the gripper arms 1 are connected with front fixing blocks and rear fixing blocks 2 in a rotating mode through fixing bolts 6, the upper ends of the gripper arms 1 are connected with the fixing plates 2 in a vertically limiting mode through connecting shafts 7 at certain intervals, vertical clamping portions are formed at the lower ends of the gripper arms 1, gripper blocks 3 are arranged on the inner sides of the clamping portions, the upper ends of the fixing blocks 2 are provided with cylinders 4 capable of driving the gripper arms 1 to move up and down, and therefore clamping of the gripper blocks is achieved.

The concrete structure is as follows: the gripper arm 1 is divided into an upper gripper arm 11 and a lower gripper arm 12, the upper gripper arm 1 is rotatably connected with the lower gripper arm 2 through a connecting bolt 8, a round hole 21 is formed in the lower end of the middle of the fixing block 2, a strip-shaped hole 22 is longitudinally formed in the middle of the fixing block 2 and above the round hole 21, the lower gripper arm 12 is L-shaped, a round hole for the fixing bolt 6 to penetrate through is formed in the middle bending part of the lower gripper arm 12 of the left gripper arm 1 and the right gripper arm 1, the fixing bolt 6 penetrates through the round hole 21 of the front fixing plate 2, the round holes of the two lower gripper arms 12 and the round hole 21 of the rear fixing plate 2 to rotatably connect the middle parts of the two lower gripper arms 12 together, and the two lower gripper arms 12 are connected to form an X-shaped structure. The upper end of the lower grabbing arm 12 is formed with a U-shaped groove for inserting the lower end of the upper grabbing arm 11, through holes are formed in the front side and the rear side of the U-shaped groove, the lower end of the upper grabbing arm 11 is provided with through holes corresponding to the through holes formed in the lower grabbing arm 12, the lower end of the upper grabbing arm 11 is inserted into the U-shaped groove and is rotatably connected with the lower grabbing arm 12 through a connecting bolt 8, and a Z-shaped structure is formed after the connection of the upper grabbing arm and the lower grabbing arm. The upper ends of the upper grabbing arms 11 are provided with shaft holes for the connecting shaft 7 to penetrate through, the upper ends of the two upper grabbing arms 11 are provided with grabbing arm connecting blocks 10, the grabbing arm connecting blocks 10 are of inverted U-shaped structures, the grabbing arm connecting blocks 10 are provided with corresponding connecting shaft holes 101, the grabbing arm connecting blocks 10 are rotatably connected with the two upper grabbing arms 11 through the connecting shaft 7, and the front end and the rear end of the connecting shaft 7 are arranged in the strip-shaped holes 22 of the fixing plate 2; the cylinder 4 sets up the upper end of fixed plate 2, drives through the effect of cylinder 4 and grabs arm connecting block 10 and reciprocate along bar-shaped hole 22, and the clamp of tongs arm 1 is tight and is loosened about the realization.

The fixed plate 2 is the similar type of protruding font structure that the left and right sides middle part is the inclined plane, and two fixed plates 2 are the symmetry setting around, and two fixed block 2's around the left and right sides is equipped with banding curb plate 9 respectively, and banding curb plate 9 is for the Z shape bending plate with the side looks adaptation of fixed plate 2, and banding curb plate 9 is to closing the side that sets up at two fixed plates 2 and fix. The upper end of the fixing plate 2 is provided with a connecting hole 23 for fixing the cylinder connecting plate 5, the cylinder connecting plate 5 is fixedly arranged on the fixing plate 2, the cylinder 4 is installed on the fixing plate 2 through the cylinder connecting plate 5, and the lower end of the cylinder 4 is connected with the upper end of the grabbing arm connecting block 10 in an abutting mode. Grab the vertical setting of piece 3 detachably and on the medial surface of the lower extreme clamping part of tongs arm 1, grab piece 3 and include exposed core 32 and stiff end 31, the medial surface shaping of the exposed core of tongs arm 1 has the concave surface that supplies stiff end 31 to inlay to put, and the stiff end 31 of grabbing piece 3 inlays to put at the concave surface internal fixation, and the vertical shaping has the clamping face of arc indent on the exposed core 32 of grabbing piece 3.

When the gripper is used, the effects of air inlet clamping and air outlet releasing of the gripper arm 1 are achieved through the pulling force of the air cylinder 4, so that the desired gripping effect is achieved, and the gripping is firm and stable; the feeding clamping of products with irregular inclination and special difficulty is adjusted by changing the size of the grabbing block 3.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a tongs suitable for middle feeding which characterized in that: the tongs include left and right cross connection's tongs arm, rotate through two fixed blocks in front and back between the tongs arm through fixing bolt and be in the same place, but the upper end of tongs arm is connected with the spacing removal about the fixed plate certain distance through the connecting axle, and the lower extreme of tongs arm forms vertical clamping part, is equipped with the piece of grabbing in the inboard of clamping part, and the upper end of fixed block is installed the upper end that can drive the tongs arm and is reciprocated, and then realizes grabbing the tight cylinder of piece clamp.

2. The gripper of claim 1, wherein: the tongs arm divide into the grapple arm and grabs the arm down, go up the grapple arm and rotate through connecting bolt between the grapple arm down and connect, a round hole has been seted up to the middle lower extreme of fixed block, the middle part of fixed block, a bar hole has vertically been seted up to the top of round hole, the lower grapple arm is L shape, the middle part department of buckling of the lower grapple arm of controlling tongs arm rotates through fixing bolt and the round hole of fixed block around with mutually and is connected, the upper end of the last grapple arm of controlling tongs arm is through the grapple arm connecting block, the connecting axle is connected with the bar hole of fixed block, the cylinder setting is connected with the grapple arm connecting block in the top of fixed plate, the effect through the cylinder drives the grapple arm connecting block and reciprocates, the clamp of tongs arm is tight and is loosened about the realization.

3. The gripper of claim 2, wherein: the middle bending part of the lower grabbing arm is provided with a round hole for a fixing bolt to penetrate through, the fixing bolt penetrates through the round hole of the front fixing plate, the round holes of the two lower grabbing arms and the round hole of the rear fixing plate to rotatably connect the middle parts of the two lower grabbing arms together, and the two lower grabbing arms are connected to form an X-shaped structure.

4. The gripper of claim 3, wherein: the upper end of the lower grabbing arm is formed with a U-shaped groove for inserting the lower end of the upper grabbing arm, through holes are formed in the front side and the rear side of the U-shaped groove, the lower end of the upper grabbing arm is provided with through holes corresponding to the through holes formed in the lower grabbing arm, the lower end of the upper grabbing arm is inserted into the U-shaped groove and is rotatably connected with the lower grabbing arm through a connecting bolt, and a Z-shaped structure is formed after the upper grabbing arm and the lower grabbing arm are connected.

5. The grip of claim 4 wherein: the upper end of the upper grabbing arm is provided with a shaft hole for the connecting shaft to penetrate through, the grabbing arm connecting block is clamped at the upper ends of the two upper grabbing arms, the grabbing arm connecting block is provided with a corresponding connecting shaft hole, the grabbing arm connecting block and the two upper grabbing arms are rotatably connected together through the connecting shaft, and the front end and the rear end of the connecting shaft are arranged in the strip-shaped holes of the fixing plate.

6. The gripper of claim 5, wherein: the fixed plate is the type of convex font structure that the left and right sides middle part is the inclined plane, and two fixed plates are the symmetry setting around, offer the connecting hole that supplies the cylinder connecting plate to fix in the upper end of fixed plate, and the cylinder connecting plate is fixed to be set up on the fixed plate, and the cylinder passes through the cylinder connecting plate to be installed on the fixed plate, and the lower extreme of cylinder offsets with the upper end of grabbing arm connecting block and is connected.

7. The hand grip of any one of claims 1 to 6, wherein: the grabbing block is vertically arranged on the inner side face of the lower end clamping portion of the grabbing arm in a detachable mode, the grabbing block comprises a clamping end and a fixed end, a concave face for the fixed end to be embedded is formed on the inner side face of the clamping portion of the grabbing arm, the fixed end of the grabbing block is embedded in the concave face to be fixed, and a clamping face with an arc-shaped concave is vertically formed on the clamping end of the grabbing block.

8. The hand grip of any one of claims 1 to 6, wherein: the left and right sides of two front and back fixed blocks are equipped with the banding curb plate respectively, and the banding curb plate is the Z shape bending plate with the side looks adaptation of fixed plate, and the banding curb plate is to closing the side that sets up at two fixed plates and fix.