CN110774303A

CN110774303A - Precision machinery part snatchs mechanism

Info

Publication number: CN110774303A
Application number: CN201911033991.2A
Authority: CN
Inventors: 陈慧玲
Original assignee: Xuzhou Chenxiao Precision Machinery Manufacturing Co Ltd
Current assignee: Xuzhou Chenxiao Precision Machinery Manufacturing Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-02-11

Abstract

The invention discloses a precision mechanical part grabbing mechanism, and particularly relates to the technical field of precision machinery. The movable rod and the spring are arranged, when the chuck clamps the part, the spring contracts, so that when the pressure of the chuck in contact with the part is reduced, the chuck is prevented from damaging the part, meanwhile, the buffer strip is arranged, the chuck is prevented from damaging the part, meanwhile, the friction between the chuck and the part is improved, and the clamping effect is increased.

Description

Precision machinery part snatchs mechanism

Technical Field

The invention relates to the technical field of precision machinery, in particular to a precision machinery part grabbing mechanism.

Background

In order to improve the working efficiency in the current industrial production, mechanical arms are often equipped on a machine in the grabbing process to replace manual work to complete a high-load and high-risk operation.

The existing mechanical arm often damages parts, especially some precision parts, in the grabbing process, and if the parts are damaged slightly, the whole parts cannot be used.

Therefore, it is necessary to provide a precision mechanical part grabbing mechanism to solve the above problems.

Disclosure of Invention

In order to overcome the above defects in the prior art, embodiments of the present invention provide a precision mechanical part grabbing mechanism, in which a gear is driven to rotate by rotation of a shaft, the gear drives two racks to move in opposite directions, so that two support rods move in opposite directions, and two chucks are driven to move in opposite directions by the opposite movements of the two support rods, so that the two chucks are closed and clamped, and the movable rod and the spring are provided, so that when the chucks clamp a part, the spring contracts, so that pressure when the chucks contact the part is reduced, the chucks are prevented from damaging the part, and meanwhile, by providing a buffer strip, the chucks are prevented from damaging the part, friction between the chucks and the part is improved, and clamping effect is increased.

In order to achieve the purpose, the invention provides the following technical scheme: a precision machinery part grabbing mechanism comprises a fixed box, wherein a shaft rod is arranged inside the fixed box, two ends of the shaft rod are rotatably connected with the fixed box through bearings, the shaft rod penetrates through and extends out of the back surface of the fixed box, a motor is arranged on the back surface of the fixed box and is fixedly connected with the fixed box, an output shaft of the motor is in transmission connection with the shaft rod, a gear is arranged outside the shaft rod and is arranged inside the fixed box, the gear is fixedly connected with the shaft rod, racks are arranged on two sides of the gear, the gear is meshed with the racks, the racks penetrate through the fixed box and extend out of two sides of the fixed box, the racks are in sliding connection with the fixed box, a support rod is arranged on one side of each of the two racks and is fixedly connected with the rack, a chuck is arranged on one side of the support rod, a movable rod is arranged between the, the movable rod penetrates through the supporting rod and extends out of one side of the supporting rod, the movable rod is connected with the supporting rod in a sliding mode, a spring is sleeved outside the movable rod, and two ends of the spring are fixedly connected with the supporting rod and the chuck respectively.

In a preferred embodiment, a plurality of buffer strips are arranged on one side of the chuck, and the plurality of buffer strips are uniformly distributed.

In a preferred embodiment, the cross-sectional shape of the clamping heads is provided as a C shape, the number of the clamping heads is two, and the two clamping heads are symmetrically distributed.

In a preferred embodiment, a fixed block is arranged at one end of the movable rod, and the fixed block is fixedly connected with the movable rod.

In a preferred embodiment, the cushioning strip is made of a rubber material.

The invention has the technical effects and advantages that:

drive gear through the axostylus axostyle rotation and rotate, gear revolve drives two rack antiport, thereby make two bracing piece antiport, two bracing piece antiport drive two chuck antiport, thereby drive two chucks and fold, and then press from both sides and get the part, through being equipped with movable rod and spring, when the chuck presss from both sides and gets the part, the spring shrink, thereby when reducing the pressure when chuck and part contact, prevent that the chuck from pressing from both sides bad part, simultaneously through being equipped with the buffering strip, avoid the chuck to bump bad part, improve in the friction between chuck and part simultaneously, the effect is got to the increase clamp.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a side view of the present invention

FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention.

The reference signs are: the device comprises a fixed box 1, a shaft rod 2, a motor 3, a gear 4, a rack 5, a support rod 6, a chuck 7, a movable rod 8, a spring 9, a buffer strip 10 and a fixed block 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The precision mechanical part grabbing mechanism shown in fig. 1-3 comprises a fixed box 1, wherein a shaft rod 2 is arranged inside the fixed box 1, two ends of the shaft rod 2 are rotatably connected with the fixed box 1 through bearings, the shaft rod 2 penetrates through and extends out of the back surface of the fixed box 1, a motor 3 is arranged on the back surface of the fixed box 1, the motor 3 is fixedly connected with the fixed box 1, an output shaft of the motor 3 is in transmission connection with the shaft rod 2, a gear 4 is arranged outside the shaft rod 2, the gear 4 is arranged inside the fixed box 1, the gear 4 is fixedly connected with the shaft rod 2, racks 5 are arranged on two sides of the gear 4, the gear 4 is meshed with the racks 5, the racks 5 penetrate through the fixed box 1 and extend out of two sides of the fixed box 1, the racks 5 are in sliding connection with the fixed box 1, a support rod 6 is arranged on one side of each of the two racks 5, and, a clamping head 7 is arranged on one side of the supporting rod 6, a movable rod 8 is arranged between the clamping head 7 and the supporting rod 6, the movable rod 8 is fixedly connected with the clamping head 7, the movable rod 8 penetrates through the supporting rod 6 and extends out of one side of the supporting rod 6, the movable rod 8 is connected with the supporting rod 6 in a sliding mode, a spring 9 is sleeved outside the movable rod 8, and two ends of the spring 9 are respectively fixedly connected with the supporting rod 6 and the clamping head 7;

further, a plurality of buffer strips 10 are arranged on one side of the chuck 7, and the plurality of buffer strips 10 are uniformly distributed;

further, the cross section of each chuck 7 is in a C shape, the number of the chucks 7 is two, and the two chucks 7 are symmetrically distributed;

further, a fixed block 11 is arranged at one end of the movable rod 8, and the fixed block 11 is fixedly connected with the movable rod 8;

further, the buffer strip 10 is made of a rubber material.

The working principle of the invention is as follows:

referring to the attached drawings 1-3 of the specification, when the invention is used, firstly, a motor 3 is started, the motor 3 drives a shaft lever 2 to rotate, the shaft lever 2 rotates to drive a gear 4 to rotate, the gear 4 rotates to drive two racks 5 to move reversely, so that two support rods 6 move reversely, two support rods 6 move reversely to drive two chucks 7 to move reversely, so that the two chucks 7 are opened, then the chucks 7 are moved, a part to be clamped is placed between the two chucks 7, then the motor 3 is reversed, the motor 3 drives the gear 4 to reverse, so that the two chucks 7 are closed, so as to clamp the part, through the arrangement of a movable rod 8 and a spring 9, when the chucks 7 clamp the part, the spring 9 contracts, so that when the pressure when the chucks 7 are contacted with the part is reduced, the chucks 7 are prevented from clamping the part, and simultaneously, through the arrangement of a buffer strip 10, the chucks, meanwhile, the friction between the chuck 7 and the part is improved, and the clamping effect is increased.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a precision machinery part snatchs mechanism, includes fixed case (1), its characterized in that: the device is characterized in that a shaft lever (2) is arranged in the fixed box (1), two ends of the shaft lever (2) are rotatably connected with the fixed box (1) through bearings, the shaft lever (2) penetrates through and extends out of the back of the fixed box (1), a motor (3) is arranged on the back of the fixed box (1), the motor (3) is fixedly connected with the fixed box (1), an output shaft of the motor (3) is in transmission connection with the shaft lever (2), a gear (4) is arranged on the outer portion of the shaft lever (2), the gear (4) is arranged in the fixed box (1), the gear (4) is fixedly connected with the shaft lever (2), racks (5) are arranged on two sides of the gear (4), the gear (4) is meshed with the racks (5), the racks (5) penetrate through the fixed box (1) and extend out of two sides of the fixed box (1), and the racks (5) are in sliding connection with the fixed box, two rack (5) one side all is equipped with bracing piece (6), bracing piece (6) and rack (5) fixed connection, bracing piece (6) one side is equipped with chuck (7), be equipped with movable rod (8) between chuck (7) and bracing piece (6), movable rod (8) and chuck (7) fixed connection, movable rod (8) run through bracing piece (6) and extend bracing piece (6) one side, movable rod (8) and bracing piece (6) sliding connection, the outside cover of movable rod (8) is equipped with spring (9), spring (9) both ends respectively with bracing piece (6) and chuck (7) fixed connection.

2. The precision mechanical part gripping mechanism according to claim 1, wherein: the buffer device is characterized in that a plurality of buffer strips (10) are arranged on one side of the clamping head (7), and the number of the buffer strips (10) is set to be multiple, and the buffer strips (10) are uniformly distributed.

3. The precision mechanical part gripping mechanism according to claim 1, wherein: the cross-sectional shape of the chucks (7) is set to be C-shaped, the number of the chucks (7) is set to be two, and the two chucks (7) are symmetrically distributed.

4. The precision mechanical part gripping mechanism according to claim 1, wherein: one end of the movable rod (8) is provided with a fixed block (11), and the fixed block (11) is fixedly connected with the movable rod (8).

5. The precision mechanical part gripping mechanism according to claim 2, wherein: the cushioning strip (10) is made of a rubber material.