CN219311030U

CN219311030U - Clamping mechanism of mechanical arm

Info

Publication number: CN219311030U
Application number: CN202320135178.1U
Authority: CN
Inventors: 胡德志
Original assignee: Haian Jinduan Industrial Co ltd
Current assignee: Haian Jinduan Industrial Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-07-07
Anticipated expiration: 2033-02-07

Abstract

The utility model relates to a clamping mechanism of a mechanical arm, which comprises a joint arm, wherein a rotating shaft is fixedly arranged on the outer surface of the joint arm, a functional box is fixedly arranged on the outer surface of the left side of the rotating shaft, a limiting cylinder is fixedly arranged at the top of the functional box, an auxiliary cylinder is fixedly arranged at the bottom of the functional box, and protection pads are fixedly arranged on the outer surfaces of the left sides of the limiting cylinder and the auxiliary cylinder. This fixture of arm through setting up two threaded rods, drives the threaded rod through rotating the knob and rotates to can adjust the position of screw thread piece, through adjusting the position of two screw thread pieces, thereby can adjust the position on grip block right side, thereby realize adjusting the angle of grip block, when needs carry out the centre gripping to the work piece, can place the work piece between two grip blocks, then shrink through the function cylinder, thereby cooperate the regulation pole to drive two grip blocks and carry out the fixed effect of centre gripping to the work piece.

Description

Clamping mechanism of mechanical arm

Technical Field

The utility model relates to the technical field of rocker arm polishing, in particular to a clamping mechanism of a mechanical arm.

Background

In the production process of metal products, the polishing step is indispensable, products requiring roughness all need to be polished, at present, in the prior art, the products are polished by driving a grinding wheel through a rocker arm or through gear rotation, in the production process of the rocker arm and a bearing thereof, the rocker arm is very difficult to install and position because the rocker arm is a special-shaped piece, and because the requirement on the circular arc precision of the outer circular surface of the rocker arm is higher, the grinding machine is required to be adopted for grinding, and the rocker arm is required to be clamped and fixed on a workbench of the grinding machine.

However, the polishing mode has certain defects that the clamping effect is poor, the existing grinding machine can only grind the outer circular surface of one rocker arm at a time, a great deal of time is wasted in clamping the rocker arm, the machining efficiency is reduced, and therefore, the clamping mechanism of the mechanical arm is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the clamping mechanism of the mechanical arm, which has the advantages of better clamping effect and the like, and solves the problem of poor clamping effect of the traditional mechanical arm.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fixture of arm, includes the joint arm, the surface fixed mounting of joint arm has the pivot, the left side surface fixed mounting of pivot has the function case, the top fixed mounting of function case has spacing cylinder, the bottom fixed mounting of function case has auxiliary cylinder, the equal fixed mounting of the left side surface of spacing cylinder and auxiliary cylinder has the protection pad, the surface movable mounting of function case has the function structure, the left side surface movable mounting of function case has the quantity to be two grip blocks.

The utility model discloses a functional structure, including the threaded rod that is located the both sides surface around the functional box, the cavity has been seted up to the inside of functional box, the inside fixed mounting of cavity has the functional cylinder, two the equal threaded connection of surface of threaded rod has the screw thread piece, the connecting block is installed admittedly to the left side surface of functional cylinder, the surface of connecting block articulates there is regulation pole that is two in quantity.

Further, the two clamping plates are hinged with the threaded blocks respectively, and one ends, far away from the connecting blocks, of the two adjusting rods are hinged with the clamping plates respectively.

Further, two the equal fixed mounting of opposite side surface of grip block has the reinforcement piece, two the threaded rod is all connected with the inner wall of function box through the bearing.

Further, the surface of function box has seted up the spout that is two in quantity, and the inner wall of two spouts all with the surface looks adaptation of screw thread piece.

Further, the limiting cylinder and the auxiliary cylinder are both positioned on the same horizontal vertical line, and the two protection pads are rubber pads.

Further, the outer surfaces of the two threaded rods are fixedly provided with rotating buttons, and the two rotating buttons are round.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this fixture of arm through setting up two threaded rods, drives the threaded rod through rotating the knob and rotates, thereby can adjust the position of screw thread piece, through adjusting the position of two screw thread pieces, thereby can adjust the position on grip block right side, thereby realize adjusting the angle of grip block, when needs carry out the centre gripping to the work piece, can place the work piece between two grip blocks, then shrink through the functional cylinder, thereby cooperate the regulation pole to drive two grip blocks and carry out the fixed effect of centre gripping to the work piece, then can adjust the angle of work piece through spacing cylinder and auxiliary cylinder, specifically, the grip block carries out the centre gripping fixedly to the mid portion of work piece, and spacing cylinder can promote the first half of work piece, and auxiliary cylinder then can promote the latter half of work piece, thereby the angle when adjusting the work piece and polishing has realized that the centre gripping effect is good, and the effect of convenient angle regulation has solved the not good problem of centre gripping effect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top cross-sectional view of the functional structure of the present utility model;

FIG. 3 is a side cross-sectional view of the functional structure of the present utility model;

fig. 4 is a schematic top view of the functional structure of the present utility model.

In the figure: 1. a joint arm; 2. a rotating shaft; 3. a functional box; 4. a limit cylinder; 5. an auxiliary cylinder; 6. a protective pad; 7. a functional structure; 8. a clamping plate; 701. a threaded rod; 702. a cavity; 703. a functional cylinder; 704. a screw block; 705. a connecting block; 706. and (5) adjusting the rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one of the embodiments includes a joint arm 1, a rotating shaft 2 is fixedly mounted on an outer surface of the joint arm 1, a functional box 3 is fixedly mounted on a left outer surface of the rotating shaft 2, a limiting cylinder 4 is fixedly mounted on a top of the functional box 3, an auxiliary cylinder 5 is fixedly mounted on a bottom of the functional box 3, protection pads 6 are fixedly mounted on left outer surfaces of the limiting cylinder 4 and the auxiliary cylinder 5, a functional structure 7 is movably mounted on an outer surface of the functional box 3, and two clamping plates 8 are movably mounted on the left outer surface of the functional box 3.

The function structure 7 is including the threaded rod 701 that is located the both sides surface around the function box 3, through the position of adjusting two screw thread pieces 704, thereby can adjust the position on grip block 8 right side, and then realize adjusting the angle of grip block 8, cavity 702 has been seted up to the inside of function box 3, the inside fixed mounting of cavity 702 has function cylinder 703, the equal threaded connection of surface of two threaded rods 701 has screw thread pieces 704, through setting up two threaded rods 701, drive threaded rod 701 through rotating the knob and rotate, thereby can adjust the position of screw thread piece 704, connecting block 705 is fixedly installed to the left side surface of function cylinder 703, the surface of connecting block 705 articulates there is regulation pole 706 that is two in quantity, shrink through function cylinder 703, thereby cooperate regulation pole 706 to drive two grip blocks 8 to carry out the fixed effect of centre gripping to the work piece, then can adjust the angle of work piece through spacing cylinder 4 and auxiliary cylinder 5, thereby the angle when adjusting the work piece and polish, good clamping effect has been realized, and convenient angle regulation's effect has been solved the problem that clamping effect is poor.

In fig. 2, the clamping plates 8 are hinged to the threaded blocks 704, so that the clamping plates 8 are driven to move while the threaded blocks 704 are moved, the angles of the two clamping plates 8 are adjusted, the adjusting rods 706 are hinged to the clamping plates 8, the contraction of the functional air cylinders 703 can be realized, and the clamping and fixing effects of the clamping plates 8 on workpieces are achieved by matching the connecting blocks 705 with the adjusting rods 706.

In fig. 2, the workpiece is reinforced by being provided with the reinforcing block, and the sliding groove is formed, so that the threaded block 704 can be limited, the threaded block 704 can be more stable in moving, the limiting cylinder 4 and the auxiliary cylinder 5 are positioned on the same horizontal vertical line, one is positioned at the top of the functional box 3 and the bottom of the functional box 3, and the telescopic workpiece can be adjusted in angle.

In fig. 2, the protection pad 6 is set as a rubber pad, so that the outer surface of the workpiece can not be damaged when the limiting cylinder 4 and the auxiliary cylinder 5 contact the workpiece when the limiting cylinder 4 and the auxiliary cylinder adjust the angle of the workpiece, and the threaded rod 701 can be manually rotated through the rotary knob by arranging the rotary knob.

To sum up, this fixture of arm, through setting up two threaded rods 701, drive threaded rod 701 through rotating the knob and rotate, thereby can adjust the position of screw block 704, through adjusting the position of two screw blocks 704, thereby can adjust the position on grip block 8 right side, and then realize adjusting the angle of grip block 8, when needs carry out the centre gripping to the work piece, can place the work piece between two grip blocks 8, then shrink through functional cylinder 703, thereby cooperate the effect that adjusts the pole 706 and drive two grip blocks 8 and carry out the centre gripping fixed to the work piece, then can adjust the angle of work piece through spacing cylinder 4 and auxiliary cylinder 5, specifically, grip block 8 carries out the centre gripping fixed to the mid portion of work piece, and spacing cylinder 4 can promote the first half of work piece, and auxiliary cylinder 5 then can promote the latter half of work piece, thereby the angle when adjusting the work piece and polish, good effect of centre gripping, and convenient angle regulation's effect has been solved the not good problem of centre gripping effect.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Clamping mechanism of arm, including joint arm (1), its characterized in that: the outer surface of the joint arm (1) is fixedly provided with a rotating shaft (2), the left outer surface of the rotating shaft (2) is fixedly provided with a functional box (3), the top of the functional box (3) is fixedly provided with a limiting cylinder (4), the bottom of the functional box (3) is fixedly provided with an auxiliary cylinder (5), the left outer surfaces of the limiting cylinder (4) and the auxiliary cylinder (5) are fixedly provided with protection pads (6), the outer surface of the functional box (3) is movably provided with functional structures (7), and the left outer surface of the functional box (3) is movably provided with two clamping plates (8);

the utility model provides a functional structure (7) is including threaded rod (701) that is located both sides surface around functional box (3), cavity (702) have been seted up to the inside of functional box (3), the inside fixed mounting of cavity (702) has functional cylinder (703), two the equal threaded connection of surface of threaded rod (701) has screw thread piece (704), connecting block (705) are installed to the left side surface solid of functional cylinder (703), the surface of connecting block (705) articulates there is regulation pole (706) that are two in quantity.

2. The clamping mechanism of a robotic arm of claim 1, wherein: two grip blocks (8) are respectively hinged with the thread blocks (704), and one ends of the two adjusting rods (706) far away from the connecting blocks (705) are respectively hinged with the grip blocks (8).

3. The clamping mechanism of a robotic arm of claim 1, wherein: reinforcing blocks are fixedly arranged on the outer surfaces of the two opposite sides of the clamping plates (8), and the two threaded rods (701) are connected with the inner wall of the functional box (3) through bearings.

4. The clamping mechanism of a robotic arm of claim 1, wherein: the outer surface of the functional box (3) is provided with two sliding grooves, and the inner walls of the two sliding grooves are matched with the outer surface of the thread block (704).

5. The clamping mechanism of a robotic arm of claim 1, wherein: the limiting cylinder (4) and the auxiliary cylinder (5) are both positioned on the same horizontal vertical line, and the two protection pads (6) are rubber pads.

6. The clamping mechanism of a robotic arm of claim 1, wherein: the outer surfaces of the two threaded rods (701) are fixedly provided with rotating buttons, and the two rotating buttons are round.