CN214352517U

CN214352517U - Mechanical clamping hand for part machining

Info

Publication number: CN214352517U
Application number: CN202120005206.9U
Authority: CN
Inventors: 王一鸣; 赵浩琳; 刘益铭; 余瑾媛; 李一菡
Original assignee: Northwest A&F University
Current assignee: Northwest A&F University
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-10-08
Anticipated expiration: 2031-01-04

Abstract

The utility model belongs to a manipulator field, concretely relates to machinery adds handheld hand for parts machining, including spliced pole, base plate, bearing frame, motor, axle sleeve, telescopic shaft and jack catch mechanism, the spliced pole can be connected with machining device, the bearing frame sets up the central point department of putting in the base plate top, spliced pole and motor set up respectively in the top of base plate and the both sides that are located the bearing frame, bearing frame and base plate are run through from top to bottom to the axle sleeve, the motor shaft of the end of wearing out and motor of axle sleeve top passes through belt drive and is connected, the end of wearing out of axle sleeve below is connected and is fixed with the jack catch seat, the telescopic shaft is located the inner chamber of axle sleeve and wears out downwards, the end of wearing out of telescopic shaft below is connected and is fixed with lower jack catch seat, and is a plurality of the jack catch mechanism's one end is connected and is connected lower jack catch seat other end and is connected. The utility model has the advantages of the flexibility ratio of device is high, and the centre gripping is firm stable.

Description

Mechanical clamping hand for part machining

Technical Field

The utility model belongs to a manipulator field, concretely relates to machinery adds handheld for parts machining.

Background

A robot is an automatic manipulator that simulates some of the motion functions of a human hand and arm to grasp, transport objects or manipulate tools according to a fixed program. The robot has the characteristics that various expected operations can be completed through programming, and the advantages of the robot and the manipulator are combined in structure and performance. The manipulator is the earliest industrial robot and the earliest modern robot, can replace the heavy labor of people to realize the mechanization and automation of production, can operate in harmful environment to protect personal safety, and is widely applied to mechanical manufacturing, metallurgy, electronics, light industry, atomic energy and other departments.

Chinese patent publication No. CN209425468U discloses a mechanical gripper, which comprises: a boom lever having opposing first and second ends, the first end for coupling to a robotic arm; the connecting plate is fixedly arranged at the second end part of the cantilever rod; and the sucker components are fixedly arranged on the connecting plate, and are distributed at intervals along the length direction of the connecting plate. The utility model discloses a mechanical gripper is provided with a plurality of sucking disc subassemblies, when can realizing a plurality of article simultaneously, operate respectively, sets up the connecting plate, can conveniently fix a plurality of sucking disc subassemblies, has the convenient advantage of operation.

However, the device has a low degree of flexibility and a weak grip on the article.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model provides a machinery for parts machining adds handheld for the flexibility ratio of device is not high among the solution prior art, and to article grab the insecure problem of holding.

In order to solve the technical problem, the utility model discloses a following technical scheme:

mechanical clamping hand for part machining: including spliced pole, base plate, bearing frame, motor, axle sleeve, telescopic shaft and jack catch mechanism, the spliced pole can be connected with machining device, the bearing frame sets up the central point department of putting in the base plate top, spliced pole and motor set up respectively in the top of base plate and are located the both sides of bearing frame, axle sleeve runs through bearing frame and base plate from top to bottom, the end of wearing out of axle sleeve top is connected through belt transmission with the motor shaft of motor, the end of wearing out below the axle sleeve is connected and is fixed with last jack catch seat, the telescopic shaft is located the inner chamber of axle sleeve and wears out downwards, the end of wearing out below the telescopic shaft is connected and is fixed with lower jack catch seat, and is a plurality of jack catch mechanism's one end is connected and is connected lower jack catch seat other end and is connected.

Furthermore, the shaft sleeve is rotatably connected with the bearing seat, and the telescopic shaft is vertically and slidably connected with the shaft sleeve.

Furthermore, one side of the connecting column is provided with a stabilizing bearing, and the shaft sleeve penetrates through the stabilizing bearing and is rotatably connected with the stabilizing bearing.

Furthermore, a spring is arranged between the upper jaw seat and the lower jaw seat, and the spring is sleeved on an outer ring of the telescopic shaft.

Further, jaw mechanism includes mobile jib and vice pole, the upper end of mobile jib and the outside hinged joint of last jack catch seat, the one end of vice pole and the mid portion hinged joint of mobile jib, the other end of vice pole and the outside hinged joint of lower jack catch seat, it is three jaw mechanism uses the telescopic shaft as center evenly distributed.

Further, the lower extreme of mobile jib is provided with anti-skidding rubber pad, the lower extreme of mobile jib is outside bending.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses a machinery adds handheld for parts machining, and the device can rotate and initiative centre gripping, and the flexibility ratio is higher, and carries out the centre gripping to article through jack catch mechanism for it is more firm to grab and hold.

2. The utility model discloses a machinery adds handheld for the parts machining, is provided with stabilizing bearing, is favorable to strengthening fixedly to the axle sleeve.

3. The utility model discloses a machinery adds handheld for the parts machining, is provided with the spring for the flexible performance of telescopic shaft is better, makes things convenient for jack catch mechanism to carry out the centre gripping.

4. The utility model discloses a machinery adds handheld for the parts machining, is provided with anti-skidding rubber pad, has increased the frictional force between jack catch mechanism and the centre gripping article for the centre gripping is more stable.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a machining hand of the present invention;

FIG. 2 is a schematic side view of the hand-held machine for machining parts of the present invention;

in the drawings: connecting a column 1; a substrate 2; a bearing seat 3; a motor 4; a shaft sleeve 5; a telescopic shaft 6; a belt 7; an upper jaw seat 8; a lower jaw seat 9; a stabilizing bearing 10; a spring 11; a main pole 12; the sub-rod 13; non-slip rubber mat 14.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

Example one

As shown in fig. 1 to 2, the machine for machining parts is with holding hand, including spliced pole 1, base plate 2, bearing frame 3, motor 4, axle sleeve 5, telescopic shaft 6 and jack catch mechanism, spliced pole 1 can be connected with machining device, bearing frame 3 sets up the central point department of putting above base plate 2, spliced pole 1 and motor 4 set up respectively in the top of base plate 2 and are located the both sides of bearing frame 3, axle sleeve 5 runs through bearing frame 3 and base plate 2 from top to bottom, the end of wearing out above the axle sleeve 5 is connected through belt 7 transmission with the motor shaft of motor 4, the end of wearing out below the axle sleeve 5 is connected and is fixed with upper jack catch seat 8, telescopic shaft 6 is located the inner chamber of axle sleeve 5 and passes through downwards, the end of wearing out below telescopic shaft 6 is connected and is fixed with lower jack catch seat 9, the one end of a plurality of jack catch mechanisms is connected and is connected upper jack catch seat 8 other end and is connected with lower jack catch seat 9. In this embodiment, the device can rotate and initiative centre gripping, and the flexibility ratio is higher, and carries out the centre gripping to article through jaw mechanism for it is more firm to grasp.

The shaft sleeve 5 is rotatably connected with the bearing seat 3, and the telescopic shaft 6 is vertically and slidably connected with the shaft sleeve 5. In this embodiment, the shaft sleeve 5 is rotatably connected with the bearing seat 3, and the telescopic shaft 6 is vertically and slidably connected with the shaft sleeve 5, so that the flexibility of the device is improved.

One side of the connecting column 1 is provided with a stabilizing bearing 10, and the shaft sleeve 5 penetrates through the stabilizing bearing 10 and is rotationally connected with the stabilizing bearing 10. In this embodiment, a stabilizing bearing 10 is provided to facilitate the enhanced fixation of the sleeve 5.

A spring 11 is arranged between the upper jaw seat 8 and the lower jaw seat 9, and the spring 11 is sleeved on the outer ring of the telescopic shaft 6. In this embodiment, be provided with spring 11 for telescopic shaft 6's flexible performance is better, makes things convenient for jaw mechanism to carry out the centre gripping.

Example two

This embodiment is based on the first embodiment, and mainly introduces the structure of the claw mechanism in the machining machine clamping hand of the present invention.

The jaw mechanism comprises a main rod 12 and an auxiliary rod 13, the upper end of the main rod 12 is hinged with the outer side of an upper jaw seat 8, one end of the auxiliary rod 13 is hinged with the middle part of the main rod 12, the other end of the auxiliary rod 13 is hinged with the outer side of a lower jaw seat 9, and the three jaw mechanisms are uniformly distributed by taking a telescopic shaft 6 as a center. In this embodiment, the structure of jack catch mechanism has been refined, can control the centre gripping elasticity of jack catch mechanism through controlling flexible 6 flexible for it is more firm to grasp.

The lower end of the main rod 12 is provided with an anti-skid rubber pad 14, and the lower end of the main rod 12 is bent outward. In this embodiment, the anti-slip rubber pad 14 is provided, which increases the friction between the jaw mechanism and the clamped article, making the clamping more stable.

The advantage of the second embodiment over the first embodiment is: the structure of the claw mechanism is refined, the clamping force of the device is improved, and the device can hold articles more firmly.

The utility model discloses a use method: the starter, motor 4 drive axle sleeve 5 and rotate suitable position, and telescopic shaft 6 stretches out and draws back and drives jack catch mechanism chucking or relax, and when telescopic shaft 6 contracts, jack catch mechanism begins the chucking, and when telescopic shaft 6 extended, jack catch mechanism began to relax, and the concertina movement through telescopic shaft 6 can make jack catch mechanism press from both sides tightly the article of equidimension not.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. Mechanical clamping hand for part machining is characterized in that: comprises a connecting column (1), a base plate (2), a bearing seat (3), a motor (4), a shaft sleeve (5), a telescopic shaft (6) and a jaw mechanism, wherein the connecting column (1) can be connected with a machining device, the bearing seat (3) is arranged at the central position above the base plate (2), the connecting column (1) and the motor (4) are respectively arranged above the base plate (2) and are positioned at two sides of the bearing seat (3), the shaft sleeve (5) vertically penetrates through the bearing seat (3) and the base plate (2), the penetrating end above the shaft sleeve (5) is in transmission connection with a motor shaft of the motor (4) through a belt (7), an upper jaw seat (8) is fixedly connected with the penetrating end below the shaft sleeve (5), the telescopic shaft (6) is positioned in the inner cavity of the shaft sleeve (5) and penetrates downwards, a lower jaw seat (9) is fixedly connected with the penetrating end below the telescopic shaft (6), one end of each of the jaw mechanisms is connected with an upper jaw seat (8), and the other end of each of the jaw mechanisms is connected with a lower jaw seat (9).

2. The machine-handling hand of claim 1, wherein: the shaft sleeve (5) is rotatably connected with the bearing seat (3), and the telescopic shaft (6) is vertically and slidably connected with the shaft sleeve (5).

3. The machine-handling hand of claim 2, wherein: one side of the connecting column (1) is provided with a stabilizing bearing (10), and the shaft sleeve (5) penetrates through the stabilizing bearing (10) and is rotatably connected with the stabilizing bearing (10).

4. The machine-handling hand of claim 3, wherein: a spring (11) is arranged between the upper jaw seat (8) and the lower jaw seat (9), and the outer ring of the telescopic shaft (6) is sleeved with the spring (11).

5. The machine-handling hand of claim 4, wherein: jaw mechanism includes mobile jib (12) and vice pole (13), the upper end of mobile jib (12) and the outside hinged joint of last jaw seat (8), the one end of vice pole (13) and the mid portion hinged joint of mobile jib (12), the other end of vice pole (13) and the outside hinged joint of lower jaw seat (9), it is three jaw mechanism uses telescopic shaft (6) as center evenly distributed.

6. The machine-handling hand of claim 5, wherein: the lower end of the main rod (12) is provided with an anti-skidding rubber pad (14), and the lower end of the main rod (12) is bent outwards.