CN211728412U

CN211728412U - Machining clamp for machining crane knuckle arm hole

Info

Publication number: CN211728412U
Application number: CN202022040218.3U
Authority: CN
Inventors: 吴洋
Original assignee: Xinxiang Henggong Electromechanical Technology Co ltd
Current assignee: Xinxiang Henggong Electromechanical Technology Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2020-10-23
Anticipated expiration: 2030-09-17

Abstract

The utility model relates to the technical field of cranes, in particular to a machining clamp for machining crane knuckle arm holes, which comprises a first supporting plate, wherein a vertically arranged second supporting plate is fixed on the top side wall of the first supporting plate, a first groove is arranged on one side wall of the second supporting plate, a symmetrically arranged slide block is slidably connected on one side wall of the first groove, a first connecting shaft is rotatably connected between the two side walls of the first groove, one end of the first connecting shaft passes through a threaded hole, the first connecting shaft is in threaded transmission connection with the slide block, one end of the slide block extends to the outside of the first groove and is fixed with a clamping plate, the bottom side wall of the first groove is rotatably connected with a second connecting shaft, and one end of the second connecting shaft extends to the outside of the second supporting plate and is fixed with a rotating plate, the utility model can rapidly clamp and fix the crane knuckle arm, is simple and convenient to operate, and can finely adjust the punching position according to the punching demand, the convenience of clamping is improved, and the practicability is integrally improved.

Description

Machining clamp for machining crane knuckle arm hole

Technical Field

The utility model relates to a hoist technical field especially relates to a machine tooling anchor clamps in processing hoist festival arm hole.

Background

The knuckle arm of current hoist in process of production, need punch to the knuckle arm, traditional punching is that to carry out the centre gripping through conventional anchor clamps and fix and punch, and this kind of mode centre gripping fixed mode is complicated, can't finely tune the size according to the demand of punching, has reduced the practicality, for this reason, we have provided a machining anchor clamps in processing hoist knuckle arm hole.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a machining clamp for machining crane knuckle arm holes.

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

a machining clamp for machining a crane knuckle arm hole comprises a first supporting plate, wherein a second supporting plate which is vertically arranged is fixed on the side wall of the top end of the first supporting plate, a first groove is formed in the side wall of one side of the second supporting plate, sliders which are symmetrically arranged are connected to one side wall of the first groove in a sliding mode, threaded holes which penetrate through the sliders in the left and right directions are formed in the sliders, a first connecting shaft is rotatably connected between the side walls of the two sides of the first groove, threads which are symmetrically arranged are formed in the outer side wall of the first connecting shaft, one end of the first connecting shaft penetrates through the threaded holes, the first connecting shaft is in threaded transmission connection with the sliders, one end of each slider extends to the outside of the first groove and is fixed with a clamping plate, the two clamping plates are arranged in parallel, the side wall of the bottom end of the first groove is rotatably connected with a second connecting shaft, and one end of the second, and the rotating plate and the second connecting shaft are vertically arranged.

Preferably, the side wall of one side of the rotating plate, which is far away from the second connecting shaft, is provided with symmetrically arranged guide holes, a guide rod is sleeved in the guide holes in a sliding manner, one end of the guide rod extends to the outside of the guide holes, a pull plate is fixed on the guide holes, and the guide rod and the pull plate are vertically arranged.

Preferably, the outer side wall of the guide rod is sleeved with a return spring, and the return spring is located between the pulling plate and the rotating plate.

Preferably, the top side wall of the second supporting plate is provided with a limiting groove along the circumferential direction, and the limiting groove and the guide rod are clamped.

Preferably, the passageway has been seted up along vertical direction to the top lateral wall of first backup pad, and the inside slip cover of passageway is equipped with the limiting plate, and the one end of limiting plate extends to the passageway external fixation and has the supporting seat.

Preferably, a plurality of screens holes have been seted up along its length direction to one side lateral wall of limiting plate, the inserted bar is installed to one side outer wall of first backup pad.

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

a second supporting plate which is vertically arranged is fixed on the side wall of the top end of the first supporting plate, a first groove is formed in the side wall of one side of the second supporting plate, sliders which are symmetrically arranged are slidably connected to one side wall of the first groove, threaded holes which penetrate through the sliders in a left-right mode are formed in the sliders, a first connecting shaft is rotatably connected between the side walls of the two sides of the first groove, symmetrically arranged threads are formed in the outer side wall of the first connecting shaft, one end of the first connecting shaft penetrates through the threaded holes and is in threaded transmission connection with the sliders, one end of each slider extends to the outside of the first groove and is fixedly provided with a clamping plate, the two clamping plates are arranged in parallel, the side wall of the bottom end of the first groove is rotatably connected with a second connecting shaft, one end of each second connecting shaft extends to the outside of the first groove and is fixedly provided with a rotating plate, and, can carry out quick centre gripping to hoist knuckle arm fixed, easy operation is convenient, can finely tune the position of punching according to the demand of punching simultaneously, has improved the convenience of centre gripping, has wholly improved the practicality.

Drawings

Fig. 1 is the utility model provides a structure elevation view of a machining anchor clamps in processing hoist jibs arm hole.

Fig. 2 is the utility model provides a second supporting plate structure plan view of machining anchor clamps in processing hoist jibs arm hole.

Fig. 3 is the utility model provides a worm wheel and worm cooperation schematic structure of machining anchor clamps in processing hoist jibs arm hole.

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.

Referring to fig. 1-3, a machining fixture for machining a crane jib hole comprises a first support plate 1, a second support plate 2 vertically arranged is fixed on a side wall of the top end of the first support plate 1, a first groove 3 is formed in a side wall of the second support plate 2, sliders 5 symmetrically arranged are connected to a side wall of the first groove 3 in a sliding manner, threaded holes 6 penetrating left and right are formed in the sliders 5, a first connecting shaft 4 is rotatably connected between the side walls of the two sides of the first groove 3, symmetrically arranged threads are formed in the outer side wall of the first connecting shaft 4, one end of the first connecting shaft 4 penetrates through the threaded holes 6, the first connecting shaft 4 is in threaded transmission connection with the sliders 5, one end of each slider 5 extends to the outside of the first groove 3 and is fixedly provided with a clamping plate 7, the two clamping plates 7 are arranged in parallel, a side wall of the bottom end of the first groove 3 is rotatably connected with a second, one end of the second connecting shaft 8 extends to the outside of the second supporting plate 2, and a rotating plate 11 is fixed on the outside of the second supporting plate, and the rotating plate 11 and the second connecting shaft 8 are vertically arranged.

The guiding hole that the symmetry set up is seted up to one side lateral wall that second connecting axle 8 was kept away from to rotor plate 11, the inside slip cover of guiding hole is equipped with guide bar 12, the one end of guide bar 12 extends to the guiding hole external fixation and has arm-tie 13, and set up perpendicularly between guide bar 12 and the arm-tie 13, reset spring 14 has been cup jointed to the lateral wall of guide bar 12, and reset spring 14 is located between arm-tie 13 and the rotor plate 11, spacing groove 15 has been seted up along the circumferencial direction to the top lateral wall of second backup pad 2, and the joint sets up between spacing groove 15 and the guide bar 12.

The passageway has been seted up along vertical direction to the top lateral wall of first backup pad 1, and the inside slip cover of passageway is equipped with limiting plate 16, and limiting plate 16's one end extends to passageway external fixation and has been equipped with supporting seat 17, and a plurality of screens holes 18 have been seted up along its length direction to one side lateral wall of limiting plate 16, and inserted bar 19 is installed to one side outer wall of first backup pad 1.

The working principle is as follows: when the knuckle arm is clamped, the pull plate 13 is pulled, the pull plate 13 drives the guide rod 12 to be separated from the limiting groove 15, then the rotating plate 11 is rotated, the rotating plate 11 drives the second connecting shaft 8 to rotate, the second connecting shaft 8 drives the worm wheel 9 to rotate, the worm wheel 9 is meshed with the worm 10 to drive the first connecting shaft 4 to rotate, the first connecting shaft 4 drives the sliding block 5 to move through thread transmission, the sliding block 5 drives the clamping plates 7 to be close to each other, the knuckle arm is clamped and fixed, the pull plate 13 is loosened, the guide rod 12 is clamped and arranged with the limiting groove 15 under the elastic force of the return spring 14, meanwhile, the limiting plate 16 is pushed, the limiting plate 16 drives the supporting seat 17 to move upwards, the punching position is slightly adjusted up and down, finally the inserting rod 19 is inserted, the inserting rod 19 is clamped and connected with the clamping hole 18, the fixing is completed, after the punching is completed, the pull plate 13 is pulled again, the pull plate 13 drives the guide rod 12 to be separated from the limiting groove 15, then the rotating plate 11 is rotated, the rotating plate 11 drives the second connecting shaft 8 to rotate, the second connecting shaft 8 drives the worm wheel 9 to rotate, the worm wheel 9 and the worm 10 are meshed for transmission to drive the first connecting shaft 4 to rotate, the first connecting shaft 4 drives the sliding block 5 to move through thread transmission, and the sliding block 5 drives the clamping plate 7 to be away from each other to take out a workpiece.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A machining clamp for machining a crane jib hole comprises a first supporting plate (1) and is characterized in that a second supporting plate (2) which is vertically arranged is fixed on the side wall of the top end of the first supporting plate (1), a first groove (3) is formed in the side wall of one side of the second supporting plate (2), a sliding block (5) which is symmetrically arranged is connected to the side wall of one side of the first groove (3) in a sliding manner, a threaded hole (6) which penetrates through the sliding block (5) in the left and right directions is formed in the sliding block, a first connecting shaft (4) is rotatably connected between the side walls of the two sides of the first groove (3), symmetrically arranged threads are formed in the outer side wall of the first connecting shaft (4), one end of the first connecting shaft (4) penetrates through the threaded hole (6), the first connecting shaft (4) is in threaded transmission connection with the sliding block (5), one end of the sliding block (5) extends to the outside of the first groove (3), two parallel arrangement between splint (7), the bottom lateral wall of first recess (3) rotates and is connected with second connecting axle (8), and the one end of second connecting axle (8) extends to second backup pad (2) external fixation has rotating plate (11), and sets up perpendicularly between rotating plate (11) and second connecting axle (8).

2. The machining clamp for machining the crane jib hole according to claim 1, wherein the side wall of the rotating plate (11) far away from the second connecting shaft (8) is provided with symmetrically arranged guide holes, guide rods (12) are slidably sleeved in the guide holes, one ends of the guide rods (12) extend to the outside of the guide holes and are fixed with pulling plates (13), and the guide rods (12) and the pulling plates (13) are vertically arranged.

3. The machining clamp for machining the crane jib hole according to claim 2, wherein a return spring (14) is sleeved on the outer side wall of the guide rod (12), and the return spring (14) is located between the pulling plate (13) and the rotating plate (11).

4. The machining clamp for machining the crane jib hole according to claim 3, wherein a limit groove (15) is formed in the side wall of the top end of the second support plate (2) along the circumferential direction, and the limit groove (15) is clamped with the guide rod (12).

5. The machining clamp for machining the crane jib hole according to claim 1, wherein a channel is formed in the top side wall of the first support plate (1) in the vertical direction, a limit plate (16) is slidably sleeved inside the channel, and one end of the limit plate (16) extends to the outside of the channel and is fixed with a support seat (17).

6. The machining clamp for machining the crane jib hole according to claim 5, wherein a plurality of clamping holes (18) are formed in a side wall of the limiting plate (16) along the length direction of the limiting plate, and an inserting rod (19) is installed on an outer wall of one side of the first support plate (1).