CN222270002U

CN222270002U - Production jig of mechanical arm

Info

Publication number: CN222270002U
Application number: CN202420703276.5U
Authority: CN
Inventors: 桂琴芳; 邓素娟; 宋彦伟; 郑本俊
Original assignee: Beijing Jiegui Technology Co ltd
Current assignee: Beijing Jiegui Technology Co ltd
Priority date: 2024-04-08
Filing date: 2024-04-08
Publication date: 2024-12-31
Anticipated expiration: 2034-04-08

Abstract

The utility model discloses a production jig of a mechanical arm, which comprises a base, wherein a sliding frame is arranged on the base, sliding blocks are arranged at two ends of the inner part of the sliding frame, a power structure is arranged at the outer end of the sliding frame, the sliding blocks are in sliding fit with the sliding frame under the action of the power structure, clamping blocks are arranged at the upper ends of the sliding blocks, sliding grooves are formed in the clamping blocks, a plurality of sliding grooves are uniformly distributed on the clamping blocks, clamping rods are arranged in each sliding groove in a sliding manner, a pressure spring is arranged between each clamping rod and the inner wall of each sliding groove, an adjusting groove is formed in one end of the base, a sliding plate is arranged in the adjusting groove in a sliding manner, an adjusting handle is arranged at one end of the base, a first screw rod is arranged in the center of the adjusting handle, the first screw rod is in rotary connection with the adjusting groove and is matched with the sliding plate, one group of the sliding frames is fixed on the base, the other group of sliding blocks is fixedly connected with the sliding plate, and the production jig is high in applicability and convenient to use.

Description

Production jig of mechanical arm

Technical Field

The utility model relates to the technical field of mechanical arm production, in particular to a production jig for a mechanical arm.

Background

Along with development of science and technology, related technologies of the mechanical arm are more and more perfect, and in the field of automatic production, the application of the mechanical arm is more and more wide, and when the mechanical arm is produced and processed, a plurality of operations need to be performed on a machine tool, and a jig needs to be used for fixing.

When the common fixture equipment is used for fixing the mechanical arm, the mechanical arm is clamped and fixed through two groups of clamping structures, the common mechanical arm is not provided with a fixed mode nowadays, the mechanical arm is various in specification and shape, the irregular surface is also quite common, the simple plane clamping structure can be used for clamping stably when facing the outer wall of the non-plane, the clamping die of the corresponding mechanism is generally prepared according to the requirement of the mechanical arm in actual production, the use method is quite troublesome when the corresponding die is replaced, and the different dies are also required to be prepared and replaced frequently along with the change of the use requirement, the investment is quite large, in addition, the common fixture is provided with two groups of clamping and fixing structures for fixing the mechanical arm from two positions, the mechanical arm lengths of the different mechanisms are inconsistent, the fixing structures cannot be used for coping with the mechanical arm with different lengths, the common fixture is quite difficult to meet the use requirement in applicability, and in addition, when the production of a large number of mechanical arms is carried out, the mechanism is used for guaranteeing the fixing of the mechanical arm, and the mechanical arm is quite stable in quality when the mechanical arm is required to be processed, and the mechanical arm is not required to be positioned.

Disclosure of utility model

(One) solving the technical problems

Aiming at the problems in the prior art, the utility model provides a production jig for a mechanical arm, which aims to solve the technical problems of simple structure and poor fixing effect of the production jig in the background art.

(II) technical scheme

The production jig comprises a base, wherein a sliding frame is arranged on the base, sliding blocks are arranged at two ends inside the sliding frame, a power structure is arranged at the outer end of the sliding frame, the sliding blocks are in sliding fit with the sliding frame under the action of the power structure, clamping blocks are arranged at the upper ends of the sliding blocks, sliding grooves are formed in the clamping blocks, a plurality of sliding grooves are uniformly distributed on the clamping blocks, clamping rods are slidably connected in each sliding groove, and a pressure spring is arranged between each clamping rod and the inner wall of each sliding groove;

The adjustable screw rod is characterized in that an adjusting groove is formed in one end of the base, a sliding plate is arranged in the adjusting groove in a sliding mode, an adjusting handle is arranged at one end of the base, a first screw rod is arranged in the center of the adjusting handle, the first screw rod is rotatably connected with the adjusting groove and matched with the sliding plate, two groups of sliding frames are arranged, one group of sliding frames is fixed on the base, and the other group of sliding frames is fixedly connected with the sliding plate.

The utility model is further characterized in that one end of the base is provided with a positioning groove, a positioning plate is arranged in the positioning groove, the positioning plate is in sliding fit with the positioning groove, a second screw rod is rotationally connected and arranged in the positioning groove, the second screw rod is matched with the positioning plate, one end of the base is provided with a positioning handle, and the second screw rod is connected with the positioning plate to position the mechanical arm.

The utility model further provides that the power structure comprises a driving motor and a driving screw rod, wherein the driving screw rod is in running fit with the sliding frame and is in threaded fit with the sliding block, bolts at two ends of the driving screw rod are oppositely arranged, the driving motor is arranged at one end of the sliding frame, and the output end of the driving motor is connected with the driving screw rod to provide power for clamping.

The utility model is further arranged that a limiting block is arranged at the contact end of the clamping rod and the pressure spring, a limiting ring is arranged at the outlet end of the sliding groove, and the limiting block is matched with the limiting ring, so that the clamping rod moves stably.

The utility model is further characterized in that a pressurizing block is arranged in the sliding groove, the pressurizing block is arranged between the pressure spring and the inner wall of the sliding groove and is in sliding fit with the sliding groove, an adjusting bolt is arranged at the outer end of the clamping block, the adjusting bolt penetrates through the clamping block to be in rotary connection with the pressurizing block, and the adjusting bolt is in threaded fit with the clamping block, so that the clamping effect of the clamping rod is ensured.

The utility model is further arranged that the outer end of the clamping rod is provided with a rubber ball to protect the mechanical arm.

The utility model is further characterized in that the base is provided with a supporting table, and the supporting table is provided with a protection pad, so that the mechanical arm is convenient to process.

The utility model is further characterized in that the base is provided with the mounting groove, the mounting groove is internally provided with the pressure cylinder, and the pressure cylinder is matched with the supporting table, so that the machining height of the mechanical arm can be conveniently adjusted.

(III) beneficial effects

Compared with the prior art, the utility model provides a production jig of a mechanical arm, which comprises the following components

The beneficial effects are that:

1. Through setting up sliding frame and sliding block and providing the moving structure, provide power control sliding block through driving motor and drive lead screw cooperation and remove along with the sliding block through setting up the clamp block, provide clamping structure, when clamping the arm, through the cooperation of multiunit sliding tray and clamping lever, make clamping lever and arm surface contact, and press from both sides tight arm under the thrust that compression spring provided, and the sliding tray provides the space of activity regulation for the clamping lever, make the sliding of the different clamping levers at the different degree of movable inslot, with the surface structure cooperation of difference on the arm, adapt to specification, the different and multiple arm of outward appearance irregularity.

2. The clamping structure is matched through the two groups of clamping structures to be more stable and fixed, the space is provided through the adjusting groove, one group of clamping structures are installed through the sliding plate, the space is formed by matching the adjusting handle with the first screw rod to move the sliding plate, the sliding plate drives the clamping structures to move, the distance between the two groups of clamping structures is adjusted, and the clamping structure is suitable for fixing mechanical arms with different lengths.

3. Through setting up the constant head tank and providing the space, through second lead screw and positioning handle cooperation, the control locating plate moves in the constant head tank, with the arm contact, fix a position the position of putting of arm, make things convenient for putting of follow-up arm, and the arm can be just under the promotion of both ends clamping structure to guarantee that the processing position of every arm is stable, the operation is got up conveniently, makes things convenient for the workman to use, improves the efficiency of processing production.

Drawings

FIG. 1 is a schematic diagram of a front structure of a production tool for a mechanical arm in the present utility model;

FIG. 2 is a schematic diagram of a structure of the base and the sliding frame of the present utility model;

FIG. 3 is a schematic view of a base structure according to the present utility model;

FIG. 4 is a schematic view of the structure of the clamping block of the present utility model after the clamping block is disassembled;

FIG. 5 is a cross-sectional view of the internal portion of the clamping block and clamping bar mating structure of the present utility model.

In the figure, 1, a base; 2, a sliding frame, 3, a sliding block, 4, a power structure, 5, a clamping block, 6, a sliding groove, 7, a clamping rod, 8, a pressure spring, 9, an adjusting groove, 10, a sliding plate, 11, an adjusting handle, 12, a first screw rod, 13, a positioning groove, 14, a positioning plate, 15, a second screw rod, 16, a positioning handle, 17, a driving motor, 18, a driving screw rod, 19, a limiting block, 20, a limiting ring, 21, a pressurizing block, 22, an adjusting bolt, 23, a rubber ball, 24, a supporting table, 25, a protection pad, 26, an installation groove, 27 and a pressure cylinder.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally in the directions shown in the drawings or in the vertical, vertical or gravitational directions, and similarly, for convenience of understanding and description, the terms "left" and "right" are used generally in the directions shown in the drawings, and the terms "inner" and "outer" are used to refer to the inner and outer sides with respect to the outline of each component itself, but the terms of orientation are not intended to limit the present utility model.

Referring to fig. 1-5, a production jig for a mechanical arm comprises a base 1, wherein a sliding frame 2 is arranged on the base 1, sliding blocks 3 are arranged at two ends inside the sliding frame 2, a power structure 4 is arranged at the outer end of the sliding frame 2, the sliding blocks 3 are in sliding fit with the sliding frame 2 under the action of the power structure 4, clamping blocks 5 are arranged at the upper ends of the sliding blocks 3, sliding grooves 6 are formed in the clamping blocks 5, a plurality of sliding grooves 6 are uniformly distributed on the clamping blocks 5, clamping rods 7 are arranged in each sliding groove 6 in a sliding connection mode, and a pressure spring 8 is arranged between each clamping rod 7 and the inner wall of each sliding groove 6;

The adjusting groove 9 has been seted up to base 1 one end, and sliding connection is equipped with slide plate 10 in adjusting groove 9, and base 1 one end is equipped with adjustment handle 11, and adjustment handle 11 center is equipped with first lead screw 12, and first lead screw 12 rotates with adjusting groove 9 to be connected to cooperate with slide plate 10, slide frame 2 is provided with two sets of, and one of them is fixed on base 1, another group and slide plate 10 fixed connection.

In this embodiment, when the mechanical arm to be processed is placed on the base 1, and supported by the base 1, and the mechanical arm is clamped and fixed, the sliding blocks 3 at two ends are controlled to move inwards along the sliding frame 2 by the power provided by the power structure 4, so that the clamping blocks 5 are driven to approach the mechanical arm in the middle, the clamping rods 7 are contacted with the mechanical arm, the clamping blocks 5 are continuously moved towards the mechanical arm, the clamping rods 7 squeeze the mechanical arm, after the clamping rods 7 are stressed, the clamping rods move towards the sliding grooves 6 to a certain extent, and under the action of the pressure springs 8, the mechanical arm is clamped, and according to the shape of the surface of the mechanical arm, the depths of the sliding grooves 6 of different clamping rods 7 are different, so that the shapes formed by the clamping rods 7 conform to the surface of the mechanical arm, and the clamping structure is adapted to the mechanical arm with different shapes.

More specifically, when the mechanical arm is clamped and fixed, the first screw rod 12 is controlled by rotating the adjusting handle 11, so that the first screw rod 12 rotates and is matched with the sliding plate 10 to drive the sliding plate 10 to move in the adjusting groove 9, the sliding frame 2 on the sliding plate 10 and the corresponding clamping structure move together, the other group of sliding frame 2 and the corresponding clamping structure are kept fixed, and the distance between the two groups of clamping structures is adjusted, so that the mechanical arm clamping device adapts to the fixing requirements of mechanical arms with different lengths.

Referring to fig. 1-3, as an embodiment for positioning the mechanical arm, a positioning slot 13 is formed at one end of the base 1, a positioning plate 14 is disposed in the positioning slot 13, the positioning plate 14 is slidably matched with the positioning slot 13, a second screw rod 15 is rotationally connected in the positioning slot 13, the second screw rod 15 is matched with the positioning plate 14, a positioning handle 16 is disposed at one end of the base 1, and the second screw rod 15 is connected with the positioning plate 14.

Specifically, after the first mechanical arm is installed, the positioning handle 16 is controlled, the positioning handle 16 drives the second screw rod 15 to rotate, the second screw rod 15 is matched with the T-shaped plate, the positioning plate 14 is driven to move, the positioning plate 14 is enabled to approach the clamped and fixed mechanical arm along the positioning groove 13, the positioning plate 14 is enabled to be in contact with the side end of the mechanical arm, the position of the mechanical arm when the mechanical arm is placed is recorded, when the machining of the mechanical arm with the same specification is completed, the side end of the mechanical arm is directly propped against the positioning plate 14 to be placed when the next mechanical arm with the same specification is machined, the placing position of the mechanical arm is enabled to be consistent with that of the last mechanical arm, and the mechanical arm is conveniently placed in a positioning mode.

Referring to fig. 1-3, as a further embodiment of the mechanism of the power structure 4, the power structure 4 includes a driving motor 17 and a driving screw 18, the driving screw 18 is in running fit with the sliding frame 2 and is in threaded fit with the sliding block 3, bolts at two ends of the driving screw 18 are oppositely arranged, the driving motor 17 is arranged at one end of the sliding frame 2, and an output end of the driving motor 17 is connected with the driving screw 18.

Specifically, during operation, through driving motor 17 work, control drive lead screw 18 rotates, and pivoted drive lead screw 18 cooperates with slider 3, drives slider 3 and removes, and the screw thread at drive lead screw 18 both ends sets up relatively, and slider 3 of two points of convenient drive inwards or outwards slides simultaneously.

Referring to fig. 5, as a further embodiment of the mechanism for the clamping rod 7, a limiting block 19 is disposed at the contact end of the clamping rod 7 and the pressure spring 8, a limiting ring 20 is disposed at the outlet end of the sliding groove 6, and the limiting block 19 is matched with the limiting ring 20.

Specifically, when the clamping rod 7 moves in the sliding groove 6, the clamping rod 7 is pushed by the pressure spring 8, and when the clamping rod 7 moves to the outer side of the sliding groove 6, the limiting block 19 is driven to contact with the limiting ring 20, and the limiting ring 20 can prevent the limiting block 19 from moving continuously, so that the clamping rod 7 is prevented from sliding out of the sliding groove 6.

Referring to fig. 5, as a further embodiment of the clamping rod 7, a pressurizing block 21 is disposed in the sliding groove 6, the pressurizing block 21 is disposed between the pressure spring 8 and the inner wall of the sliding groove 6 and is slidably matched with the sliding groove 6, an adjusting bolt 22 is disposed at the outer end of the clamping block 5, the adjusting bolt 22 penetrates through the clamping block 5 to be rotatably connected with the pressurizing block 21, and the adjusting bolt 22 is in threaded fit with the clamping block 5.

Specifically, by rotating the adjusting bolt 22, the adjusting bolt 22 is matched with the clamping block 5, and moves along the clamping block 5 to push the pressurizing block 21 in the sliding groove 6 to move, so that the pressurizing block 21 pushes the pressure spring 8, and the pushing force of the pressure spring 8 to the clamping rod 7 is increased.

Referring to fig. 4, as a further embodiment of the clamping rod 7, the outer end of the clamping rod 7 is provided with a rubber ball 23.

Specifically, the clamping rod 7 is contacted with the mechanical arm through the rubber ball 23, the mechanical arm is protected through the buffer capacity provided by the rubber ball 23, the anti-skid capacity can be provided by the rubber ball 23, and the clamping stability is further improved.

Referring to fig. 2, as a further embodiment of the supporting mechanism, a supporting table 24 is provided on the base 1, and a protection pad 25 is provided on the supporting table 24.

Specifically, the mechanical arm is placed on the supporting table 24, and is supported up through the supporting table 24, so that the mechanical arm is kept stable, and the mechanical arm can be contacted with the mechanical arm through the protection pad 25, so that the safety and stability of the mechanical arm can be ensured.

Referring to fig. 3, as a further embodiment of the supporting mechanism, a mounting groove 26 is formed on the base 1, a pressure cylinder 27 is disposed in the mounting groove 26, and the pressure cylinder 27 is matched with the supporting table 24.

Specifically, the pressure rod is controlled to work, so that the pressure rod supports the supporting table 24 and drives the supporting table to rise when needed, the mechanical arm is at a proper working height, the mounting groove 26 provides a mounting space for the pressure cylinder 27, on one hand, the pressure cylinder 27 is convenient to be connected with external control equipment, and on the other hand, the pressure rod is prevented from occupying the operation space on the base 1.

In summary, the overall device is in use or running:

When the jig equipment is used for producing the mechanical arm, each equipment on the jig is connected with external power equipment and control equipment, then the mechanical arm to be processed is placed on the supporting table 24, the pressure rod is controlled to work, the pressure rod drives the supporting table to rise, thereby the mechanical arm is at a proper working height, the mechanical arm is supported by the supporting table 24, the mechanical arm is kept stable, the supporting table 24 is contacted with the mechanical arm through the protection pad 25, the surface of the mechanical arm can be protected, the mechanical arm is ensured to be placed stably, in addition, an installation space is provided for the pressure cylinder 27 through the installation groove 26, the pressure cylinder 27 is convenient to be connected with external control equipment on the one hand, on the other hand, the pressure rod is prevented from occupying the operation space on the base 1, the position of the mechanical arm is adjusted, the mechanical arm is enabled to meet the processing requirement, then the position of the sliding plate 10 is adjusted according to the length of the mechanical arm, the first screw rod 12 is controlled to rotate through rotating the adjusting handle 11, the first screw rod 12 is enabled to be matched with the sliding plate 10, the sliding plate 10 is driven to move in the adjusting groove 9, the sliding frame 2 on the sliding plate 10 and the corresponding clamping structure can move together, the sliding frame 2 on the sliding plate and the sliding plate 2 can be kept at the same position as the corresponding clamping structure, and the two clamping structures can not be adjusted to the same position, and the mechanical arm can be adjusted by the same position, and the clamping structure can be adjusted by the two clamping structure.

When the mechanical arm is fixed by the clamping block 5, the power structure 4 is controlled to provide power to enable the driving motor 17 to work, the driving screw rod 18 is controlled to rotate, the rotating driving screw rod 18 is matched with the sliding block 3 to drive the sliding block 3 to move, threads at two ends of the driving screw rod 18 are oppositely arranged to facilitate the sliding block 3 at two ends to slide inwards or outwards simultaneously, under the power provided by the driving screw rod 18, the sliding block 3 at two ends is controlled to move inwards along the sliding frame 2 to drive the clamping block 5 to approach the mechanical arm in the middle, the clamping rod 7 is contacted with the mechanical arm, the clamping block 5 is enabled to move continuously to the mechanical arm, the clamping rod 7 is enabled to squeeze the mechanical arm, the clamping rod 7 is contacted with the mechanical arm through the rubber ball 23, the mechanical arm is protected by the buffer capacity provided by the rubber ball 23, the anti-skid capacity is further improved, and after the clamping rod 7 is stressed, the clamping rods 7 are retracted into the sliding groove 6 to a certain extent according to the shape of the surface of the mechanical arm, so that the clamping rods 7 are matched to form a shape suitable for the surface of the mechanical arm, the clamping rods 7 clamp the mechanical arm under the thrust of the pressure springs 8, the clamping structure is suitable for the mechanical arm with irregular or different shapes, in addition, if the outer surface of the mechanical arm is too irregular, part of the clamping rods 7 cannot tightly press the mechanical arm, the adjusting bolts 22 can be matched with the clamping blocks 5 by rotating the adjusting bolts 22, move along the clamping blocks 5 and push the pressurizing blocks 21 in the sliding groove 6 to move, so that the pressurizing blocks 21 push the pressure springs 8 to increase the thrust of the pressure springs 8 to the clamping rods 7, in addition, when the clamping rods 7 are limited, the thrust of the pressure springs 8 can be received, the clamping rod 7 moves to the outer side of the sliding groove 6, the clamping rod 7 drives the limiting block 19 to move, the limiting block 19 is matched with the limiting ring 20, and after the limiting block 19 contacts with the limiting ring 20, the limiting ring 20 can prevent the limiting block 19 from moving continuously, so that the clamping rod 7 is prevented from sliding out of the sliding groove 6.

In addition, when a large number of mechanical arms are processed, after a first mechanical arm is installed, the positioning handle 16 is controlled, the positioning handle 16 drives the second screw rod 15 to rotate, the second screw rod 15 is matched with the T-shaped plate, the positioning plate 14 is driven to move, the positioning plate 14 is enabled to approach the clamped and fixed mechanical arm along the positioning groove 13, the positioning plate 14 is enabled to be in contact with the side end of the mechanical arm, the position of the mechanical arm when the mechanical arm is placed is recorded, when the mechanical arm is processed, the next mechanical arm with the same specification is processed, the side end of the mechanical arm is directly placed against the positioning plate 14, the placing position of the mechanical arm is consistent with that of the previous mechanical arm, and the mechanical arm is convenient to place in a positioning mode.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The production jig for the mechanical arm comprises a base (1) and is characterized in that a sliding frame (2) is arranged on the base (1), sliding blocks (3) are arranged at two ends inside the sliding frame (2), a power structure (4) is arranged at the outer end of the sliding frame (2), the sliding blocks (3) are in sliding fit with the sliding frame (2) under the action of the power structure (4), clamping blocks (5) are arranged at the upper ends of the sliding blocks (3), sliding grooves (6) are formed in the clamping blocks (5), a plurality of sliding grooves (6) are uniformly distributed on the clamping blocks (5), clamping rods (7) are arranged in each sliding groove (6) in a sliding connection mode, and a pressure spring (8) is arranged between each clamping rod (7) and the inner wall of each sliding groove (6);

The utility model discloses a sliding plate type electric motor, including base (1), adjusting groove (9) have been seted up to base (1) one end, sliding connection is equipped with sliding plate (10) in adjusting groove (9), base (1) one end is equipped with adjustment handle (11), adjustment handle (11) center is equipped with first lead screw (12), first lead screw (12) are connected with adjusting groove (9) rotation to with sliding plate (10) cooperation, sliding frame (2) are provided with two sets of, and one of them is fixed on base (1), another set of and sliding plate (10) fixed connection.

2. The production jig of the mechanical arm, as set forth in claim 1, is characterized in that a positioning groove (13) is provided at one end of the base (1), a positioning plate (14) is provided in the positioning groove (13), the positioning plate (14) is slidably matched with the positioning groove (13), a second screw rod (15) is rotatably connected in the positioning groove (13), the second screw rod (15) is matched with the positioning plate (14), a positioning handle (16) is provided at one end of the base (1), and the second screw rod (15) is connected with the positioning plate (14).

3. The production jig of the mechanical arm according to claim 1, wherein the power structure (4) comprises a driving motor (17) and a driving screw rod (18), the driving screw rod (18) is in running fit with the sliding frame (2) and is in threaded fit with the sliding block (3), bolts at two ends of the driving screw rod (18) are oppositely arranged, the driving motor (17) is arranged at one end of the sliding frame (2), and an output end of the driving motor (17) is connected with the driving screw rod (18).

4. The production jig of the mechanical arm according to claim 1, wherein a limiting block (19) is arranged at the contact end of the clamping rod (7) and the pressure spring (8), a limiting ring (20) is arranged at the outlet end of the sliding groove (6), and the limiting block (19) is matched with the limiting ring (20).

5. The production jig for the mechanical arm, as set forth in claim 4, characterized in that a pressurizing block (21) is disposed in the sliding groove (6), the pressurizing block (21) is disposed between the pressure spring (8) and the inner wall of the sliding groove (6) and is in sliding fit with the sliding groove (6), an adjusting bolt (22) is disposed at the outer end of the clamping block (5), the adjusting bolt (22) penetrates through the clamping block (5) to be in rotary connection with the pressurizing block (21), and the adjusting bolt (22) is in threaded fit with the clamping block (5).

6. The production jig of the mechanical arm according to claim 4, wherein the outer end of the clamping rod (7) is provided with a rubber ball (23).

7. The production jig of the mechanical arm according to claim 1, wherein a supporting table (24) is arranged on the base (1), and a protection pad (25) is arranged on the supporting table (24).

8. The production jig of the mechanical arm according to claim 7, wherein the base (1) is provided with a mounting groove (26), a pressure cylinder (27) is arranged in the mounting groove (26), and the pressure cylinder (27) is matched with the supporting table (24).