CN218837818U

CN218837818U - Manual power assisting arm gripper device for carrying workpieces

Info

Publication number: CN218837818U
Application number: CN202222788744.7U
Authority: CN
Inventors: 陈海洋
Original assignee: Nanjing Yingnigema Industrial Automation Technology Co ltd
Current assignee: Nanjing Yingnigema Industrial Automation Technology Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-04-11
Anticipated expiration: 2032-10-21

Abstract

The utility model belongs to the technical field of anchor clamps, a artifical helping hand arm tongs device for carrying work piece is disclosed, including a plurality of frame, linear guide has been put to the tip equipartition that has two frames at least, and sliding arrangement has the stationary dog mechanism that can snatch the work piece on linear guide, and the both ends of frame have still been arranged and can have carried out spacing stop gear to the slip of stationary dog mechanism on linear guide, are located the equal symmetrical arrangement of stationary dog mechanism at same frame both ends, and two stationary dog mechanisms of symmetrical arrangement are all connected through the link mechanism that can make its synchronous incorgruous removal on linear guide. The utility model discloses the manpower that drops into when can reducing artifical transport work piece reduces dangerous probability appearing in the artifical handling, improves production efficiency.

Description

Manual power assisting arm gripper device for carrying workpieces

Technical Field

The utility model belongs to the technical field of anchor clamps, concretely relates to manual power assistance arm tongs device for carrying work piece.

Background

In recent years, automatic and semi-automatic grippers are used more and more frequently with higher automation degree of industrial production.

In the actual application process of industrial production line, the industrial robot tongs are mostly used for carrying parts needing to be machined and produced, but when the workpieces need to be carried manually, workers generally carry out tool-free carrying directly, when the workpiece size or the weight are large, a large amount of manpower is needed, the production beat is influenced, and meanwhile, certain safety risks exist during manual carrying.

SUMMERY OF THE UTILITY MODEL

Problem to above-mentioned prior art exists, the utility model provides a manpower that drops into when can reducing artifical transport work piece reduces dangerous probability appearing in the artifical handling, improves production efficiency's artifical helping hand arm tongs device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a manual power-assisted arm gripper device for carrying workpieces comprises a plurality of frames arranged above the workpieces, wherein linear guide rails are arranged at two ends of at least two frames, fixed claw mechanisms capable of gripping the workpieces are arranged on the linear guide rails in a sliding mode, and the fixed claw mechanisms on the same frame are connected through connecting rod mechanisms capable of enabling the fixed claw mechanisms to synchronously move in different directions on the linear guide rails;

and limiting mechanisms capable of limiting the sliding of the fixed jaw mechanisms on the linear guide rails are further arranged at two ends of the frame.

Preferably, the fixed claw mechanism is an L-shaped claw frame which is arranged on the linear guide rail in a sliding mode.

Preferably, a fixture block contacting with the workpiece is movably mounted on the inner side of the L-shaped claw frame.

Preferably, the clamping block and the L-shaped claw frame are fixedly installed through butterfly bolts.

Preferably, the fixture block is matched with the workpiece in shape arrangement.

Preferably, the fixture block is made of an elastic material.

Preferably, the link mechanism comprises a link seat connected with the center of the frame through a screw, a first link rotatably arranged on the link seat, and two second links respectively hinged at two ends of the first link, the far ends of the two second links are respectively hinged with the two L-shaped claw racks, the center of the first link is rotatably connected with the link seat, and a return spring connected with the first link is arranged on the link seat.

Preferably, the limiting mechanism comprises a limiting plate arranged on the frame and located above the linear guide rail, a row of locking holes are uniformly arranged on the limiting plate, and locking pins matched with the locking holes are arranged on the L-shaped claw frame.

Preferably, the limiting plate is of a three-segment U-shaped structure, and the locking hole is arranged at a middle position of the limiting plate.

Preferably, a first handle is further arranged on the outer side of the L-shaped claw frame, and a second handle is further arranged on the frame.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The two opposite fixed claw mechanisms are linked by utilizing the connecting rod structure, and when one fixed claw mechanism is controlled to move, the other fixed claw mechanism can be synchronously driven to move, so that the two ends of the workpiece are clamped;

(2) The fixing claw mechanism is arranged into a split structure, the fixture blocks are fixed on the L-shaped claw frame through butterfly bolts, and the fixture blocks in different styles are replaced through disassembly and assembly, so that the purpose of matching workpieces is achieved;

(3) Through arranging the handle on frame and L type claw frame, convenient transport and operation through with two frame parallel arrangement, four stationary dog mechanisms are arranged in the position that the frame is close to the tip, and the four corners location improves the stability of snatching when snatching the work piece, arranges four suspension rope rings on the frame, and it is fixed to be convenient for adopt the lifting rope, utilizes navigation to hang or other handling equipment hoist and mount the transportation.

Drawings

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

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a schematic structural view of the fixing jaw mechanism of the present invention;

fig. 4 is a schematic structural diagram of the link mechanism of the present invention.

Description of the reference numerals:

1-frame, 2-connecting frame, 3-rope hanging ring, 4-linear guide rail, 5-L-shaped claw frame, 6-clamping block, 7-handle I, 8-butterfly bolt, 9-connecting rod seat, 11-connecting rod I, 12-connecting rod II, 13-return spring, 14-limiting plate, 15-locking pin, 16-locking hole, 17-handle II and a-workpiece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 4, the manual assistance arm gripper for carrying workpieces provided by the embodiment includes a plurality of frames 1 arranged above a workpiece a, two adjacent frames 1 are connected by a connecting frame 2 to form an integral structure, the rigidity is stronger, two rope hanging rings 3 are symmetrically arranged at equal positions of two sides of the connecting frame 2 at the upper end of each frame 1, the two rope hanging rings are fixed by using lifting ropes, hoisting and transferring are performed by using a crane or other hoisting equipment, and the central points of all the rope hanging rings 3 are hoisting points, so that the stability of hoisting the workpieces is ensured;

the clamping device comprises at least two frames 1, linear guide rails 4 are arranged at two end portions of the frames 1, fixing claw mechanisms capable of grabbing workpieces a are arranged on the linear guide rails 4 in a sliding mode, specifically, the fixing claw mechanisms are L-shaped claw frames 5, clamping blocks 6 connected with the workpieces a are movably mounted on the inner sides of the L-shaped claw frames 5, handles I7 are further arranged on the outer sides of the L-shaped claw frames 5, the L-shaped claw frames 5 are controlled to move on the linear guide rails 4 through the handles I7, the clamping blocks 6 and the L-shaped claw frames 5 are fixed through butterfly bolts 8, the shapes of the clamping blocks 6 are matched with the workpieces, the clamping blocks 6 of different types are replaced through dismounting, the purpose of matching the workpieces a is achieved, the clamping stability is improved, the clamping blocks 6 are made of elastic materials, preferably rubber or nylon materials, the clamping requirements can be met, and the situation that the workpieces a are scratched during transfer can be avoided.

When the multi-frame type clamping device is used, two frames 1 are adopted, the position relation among all the frames 1 is selected and arranged according to the shape of a workpiece, the multiple frames 1 can be arranged in parallel or in non-parallel, for example, the multiple frames 1 are arranged in a splayed shape, the aim of stably clamping the workpiece a is taken as the standard, when the multiple frames 1 are used, the two frames 1 at the outermost sides play the role of a main force gripper, and when the multi-frame type clamping device is used, the L-shaped gripper brackets at the two ends of the two frames 1 at the outermost sides are ensured to clamp the workpiece.

The fixed jaw mechanisms positioned on the same frame 1 are symmetrically arranged, and the two symmetrically arranged fixed jaw mechanisms are connected through a connecting rod mechanism which can enable the fixed jaw mechanisms to synchronously move in different directions on the linear guide rail 4, specifically, the connecting rod mechanism comprises a connecting rod seat 9 connected with the center of the frame 1 through a screw, a connecting rod I11 rotatably arranged on the connecting rod seat 9, and two connecting rod II 12 respectively hinged at two ends of the connecting rod I11, the far ends of the two connecting rod II 12 are respectively hinged with the two L-shaped jaw frames 5, the center of the connecting rod I11 is rotatably connected with the connecting rod seat 9, the connecting rod seat 9 is provided with a return spring 13 connected with a first connecting rod 11, when the L-shaped claw frame 5 on one side is controlled to move on the linear guide rail, the first connecting rod 11 on the same side pushes a second connecting rod 12 to rotate on the connecting rod seat 9, the first connecting rod 11 on the other side is pulled to move in the reverse direction by the rotation of the second connecting rod 12, the return spring 13 is triggered, the first connecting rod 11 drives the L-shaped claw frame 5 on the other side to move in the reverse direction, the L-shaped claw frames 5 on the two sides synchronously move towards the middle or the outer side, clamping of a workpiece a is achieved, the return spring 13 is arranged, and the L-shaped claw frame 5 can automatically reset after losing control.

Frame 1's both ends have still been arranged and have been carried out spacing stop gear to the slip of fixed jack catch mechanism on linear guide 4, stop gear is all arranged to both sides, operate from arbitrary one side during manual operation can, it is more convenient to use, particularly, stop gear is including arranging limiting plate 14 that lies in linear guide 4's top on frame 1 and arranging the fitting pin 15 on L type claw frame 5, limiting plate 14 is U type structure, the range of movement to L type claw frame 5 is restricted, avoid the transition to move, evenly arranged one row and fitting pin 15 assorted locking hole 16 on limiting plate 14, L type claw frame 5 is blocking work piece a centre gripping fastening back, utilize fitting pin 15 to insert in the locking hole 16 that corresponds, thereby fix L type claw frame 5 on linear guide 4 temporarily, thereby realize the clamping to work piece a more firmly, particularly, still arranged handle two 17 on frame 1, it is more convenient when the transport.

When the device is used, the clamping blocks 6 matched with each other are selected according to the shape of the clamping position of the workpiece a and are installed in the L-shaped claw frame 5, the clamping positions are screwed and fixed through the butterfly bolts 8, the frame 1 is placed above the workpiece a, the center of the connecting frame 2 is overlapped with the center of the workpiece a as much as possible, one side handle I7 is pushed by a hand to control the L-shaped claw frame 5 to move on the linear guide rail 4, the L-shaped claw frame 5 on the other side also moves towards the middle synchronously through linkage of a link mechanism, when the device is moved to a required position, the workpiece a is grabbed by inserting the locking pin 15 into the locking hole 16 at the position, and a certain clearance range is allowed to exist between the workpiece a and the L-shaped claw frame 5 in normal use due to the shape of the L-shaped claw frame 5, the workpiece a can not be clamped only by the close contact of the two, therefore, when the L-shaped claw frame 5 slides to a reasonable position on the linear track 4, if the locking pin 15 is not coaxial with the locking hole 16, the L-shaped claw frame 5 is finely adjusted to slide down, the locking hole 16 is coaxial with the locking pin 15, the locking pin 15 is inserted into the locking hole 16, the L-shaped claw frame 5 is temporarily fixed, the other frame 1 repeats the operation, after all the four L-shaped claw frames 5 are grabbed, the workpiece a is transferred to a target position through a folding arm crane or other hoisting equipment, the two locking pins 15 are pulled out of the locking hole 16, the L-shaped claw frame 5 returns to an initial position under the resilience of the return spring 13, and the workpiece a is released.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The manual power-assisted arm gripper device for carrying workpieces is characterized by comprising a plurality of frames (1) arranged above the workpieces (a), wherein linear guide rails (4) are arranged at two ends of at least two frames (1), fixed claw mechanisms capable of gripping the workpieces (a) are arranged on the linear guide rails (4) in a sliding manner, and the fixed claw mechanisms positioned on the same frame (1) are connected through connecting rod mechanisms capable of enabling the fixed claw mechanisms to synchronously move in different directions on the linear guide rails (4);

and limiting mechanisms capable of limiting the sliding of the fixed jaw mechanisms on the linear guide rails (4) are further arranged at two ends of the frame (1).

2. A hand assist arm gripper for handling workpieces according to claim 1, characterised in that the fixed jaw mechanism is an L-shaped jaw holder (5) slidingly arranged on a linear guide (4).

3. The manual power-assisted arm gripping device for carrying the workpieces as claimed in claim 2, wherein the inner side of the L-shaped claw frame (5) is movably provided with a clamping block (6) which is contacted with the workpiece (a).

4. The manual power-assisted arm gripper for workpiece handling as claimed in claim 3, characterized in that the clamping blocks (6) and the L-shaped claw frames (5) are fixedly mounted by butterfly bolts (8).

5. A hand assist arm gripper for handling workpieces according to claim 4 characterised in that said dogs (6) are profiled to match the workpiece (a).

6. The hand grip device with the manual power assisting arm for carrying the workpiece as claimed in claim 5, wherein the clamping blocks (6) are made of elastic materials.

7. The manual power-assisted arm gripper device for carrying workpieces as claimed in claim 1, wherein the link mechanism comprises a link base (9) connected with the center of the frame (1) through a screw, a first link (11) rotatably arranged on the link base (9), and two second links (12) respectively hinged at two ends of the first link (11), the far ends of the two second links (12) are respectively hinged with the two L-shaped claw frames (5), the center of the first link (11) is rotatably connected with the link base (9), and a return spring (13) connected with the first link (11) is arranged on the link base (9).

8. The manual assistance arm gripper device for carrying workpieces as claimed in claim 7, wherein the limiting mechanism comprises a limiting plate (14) arranged on the frame (1) and above the linear guide rail (4), a row of locking holes (16) are uniformly arranged on the limiting plate (14), and locking pins (15) matched with the locking holes (16) are arranged on the L-shaped claw frame (5).

9. The hand assist arm gripper for handling workpieces as claimed in claim 8, wherein said retainer plate (14) is a three-piece U-shaped structure, and said locking hole (16) is disposed at a middle position of the retainer plate (14).

10. The manual assist arm gripper for handling workpieces as claimed in claim 2, wherein a first handle (7) is further arranged on the outer side of the L-shaped gripper frame (5), and a second handle (17) is further arranged on the frame (1).