CN216266117U

CN216266117U - Mechanical clamping jaw device

Info

Publication number: CN216266117U
Application number: CN202122990824.6U
Authority: CN
Inventors: 吴会超; 阮世钧; 杨阳; 马炬彬; 钱敏
Original assignee: Baowu Group Masteel Rail Transit Materials Technology Co Ltd
Current assignee: Baowu Group Masteel Rail Transit Materials Technology Co Ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-12
Anticipated expiration: 2031-12-01

Abstract

The utility model relates to the field of mechanical claws, in particular to a mechanical claw device which comprises a supporting plate, wherein a claw mechanism is arranged on the supporting plate and is connected with a driving mechanism; the jaw mechanism comprises two jaw bodies connected to the supporting plate; the two clamping jaw bodies are symmetrically distributed; the utility model discloses a mechanical jaw device; the two clamping claw bodies are distributed at intervals and matched with the driving mechanism, so that a product can be well clamped in the actual use process.

Description

Mechanical clamping jaw device

Technical Field

The utility model relates to the field of mechanical claws, in particular to a mechanical claw device.

Background

The existing manipulator in the general sense is an automatic machine which can realize the grabbing and carrying of an object workpiece under the control of a program by imitating partial functions of a human hand and an arm. The appearance of the mechanical arm replaces the repeated labor of people, optimizes human resources, and can replace people to work in some dangerous environments;

at present, with the increasing demands of different markets, in order to meet the characteristics of multiple varieties and small batch, flexible production is required in factories.

Therefore, a robot capable of partially adapting to multiple specifications and flexibly grasping a workpiece is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a mechanical jaw device with a multi-specification-size grabbing function.

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

a mechanical clamping jaw device comprises a supporting plate, wherein a clamping jaw mechanism is arranged on the supporting plate and is connected with a driving mechanism; the jaw mechanism comprises two jaw bodies connected to the supporting plate; the two clamping jaw bodies are symmetrically distributed.

The driving mechanism comprises a driving motor, and the driving motor is connected with the clamping jaw body through an adjusting mechanism.

The adjusting mechanism comprises a screw rod arranged on the supporting plate; the clamping jaw body is connected to the screw rod; the screw rod is also provided with a pushing nut; each jaw body is matched with a pushing nut.

Each clamping claw body is connected with the rotary screw rod through a connecting part; the connecting part comprises a sliding block sleeved on the screw rod, and the sliding block is connected with the corresponding clamping jaw body; each sliding block is correspondingly provided with a pushing nut, and each sliding block is connected with one pushing nut.

The pushing nut is connected with the sliding block through a linkage part, the linkage part comprises a linkage rod arranged on the pushing nut, and the sliding block is provided with a strip-shaped groove; the pushing screw nut is inserted into the strip-shaped groove through the linkage rod and connected with the sliding block; the length of the strip-shaped groove is larger than the outer diameter of the linkage rod.

The linkage rod is provided with guide wheels, and the guide wheels are arranged in the strip-shaped grooves.

A placing groove is formed in the sliding block, and a disc spring is arranged in the placing groove; the pushing screw nut is inserted in the placing groove.

The driving motor is connected with the adjusting mechanism through a transmission mechanism; the transmission mechanism comprises a belt pulley arranged on the spinning rod, and the belt pulley is connected with an output shaft of the driving motor through a transmission belt.

The utility model has the advantages that:

the utility model discloses a mechanical jaw device; the two clamping claw bodies are distributed at intervals and matched with the driving mechanism, so that a product can be well clamped in the actual use process.

Drawings

The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:

fig. 1 is a front view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a schematic structural view of the linkage portion of the present invention.

Fig. 4 is a front view of the interlocking part of the present invention.

Fig. 5 is a plan view of the interlocking part of the present invention.

The labels in the above figures are:

1. the device comprises a supporting plate, 2, a jaw body, 3, a driving motor, 4, a screw rod, 5, a pushing nut, 6, a sliding block, 7, a disc spring, 8 and a guide slideway.

Detailed Description

The following description of preferred embodiments of the utility model will be made in further detail with reference to the accompanying drawings.

A mechanical clamping jaw device comprises a supporting plate 1, wherein a clamping jaw mechanism is arranged on the supporting plate 1 and is connected with a driving mechanism; the jaw mechanism comprises two jaw bodies 2 connected to the supporting plate 1; the two clamping jaw bodies 2 are symmetrically distributed; the utility model discloses a mechanical jaw device; according to the utility model, the two clamping claw bodies 2 are distributed at intervals and matched with the arrangement of the driving mechanism, so that a product can be well clamped in the actual use process.

In addition, the supporting plate 1 is provided with the claw bodies 2, the claw bodies 2 can move on the supporting plate 1, and particularly, the two claw bodies 2 can simultaneously move in opposite directions or opposite directions through the transmission of the claw bodies 2 through the driving mechanism, so that the distance between the two claw bodies 2 can be changed, and the clamping and loosening of a product are realized.

The connection mode between the driving mechanism and the jaw body 2 can be selected as required, as long as the jaw body 2 can move along the supporting plate 1 in the transverse direction.

Further, in the utility model, the driving mechanism comprises a driving motor 3, and the driving motor 3 is connected with the jaw body 2 through an adjusting mechanism; the adjusting mechanism comprises a screw rod 4 arranged on the supporting plate 1; the jaw body 2 is connected to the screw rod 4; the screw rod 4 is also provided with a pushing nut 5; each jaw body 2 is matched with a pushing nut 5; in the utility model, two ends of a screw rod 4 are respectively connected with a support plate 1 through bearing mechanisms, in addition, a driving motor 3 is connected with the screw rod 4, the driving motor 3 can drive the screw rod 4 to rotate, in addition, in the utility model, a jaw body 2 is connected on the screw rod 4, in order to facilitate the movement of the jaw body 2 on the screw rod 4, a pushing nut 5 is arranged on the screw rod 4, the pushing nut 5 is connected with the screw rod 4 through threads, when the screw rod 4 rotates, because the screw rod 4 can only rotate but can not transversely move, when the screw rod 4 rotates, the pushing nut 5 can move along the screw rod 4, (in order to facilitate the transverse movement of the pushing nut 5, the pushing nut 5 is prevented from rotating along the screw rod 4, when in actual use, the pushing nut 5 can be limited through a limiting linkage part and can also be limited through a sliding rail mechanism, and can be selected according to needs), in actual use, the jaw body 2 is positioned at the inner side of the pushing nut 5, so when the pushing nut 5 moves on the screw rod 4, the pushing nut 5 pushes the jaw body 2 to move on the screw rod 4; thereby realizing the opposite or opposite movement between the two opposite jaw bodies 2; in addition, in order to ensure that the moving direction of the jaw body 2 is opposite, the control of the thread on the screw rod 4 can be realized.

Further, in the present invention, each of the jaw bodies 2 is connected to the screw rod 4 through a connecting portion; the connecting part comprises a sliding block 6 sleeved on the rotary screw rod 4, and the sliding block 6 is connected with the corresponding jaw body 2; each sliding block 6 is correspondingly provided with a pushing nut 5, and each sliding block 6 is connected with one pushing nut 5; the connection part is arranged, so that the connection between the jaw body 2 and the screw rod 4 is facilitated; in actual arrangement, the sliding block 6 is equivalent to a bridging block structure, so that the connection between the clamping jaw body 2 and the rotary screw rod 4 is facilitated, and the sliding block 6 is provided with a through hole, so that the sliding block 6 is conveniently sleeved on the rotary screw rod 4; meanwhile, the slide block 6 is connected to the support plate 1 through a slide rail mechanism, the slide rail mechanism comprises a guide slide way 8 arranged on the support plate 1, and a guide slide block 61 is arranged on the outer side of the slide block 6; the slide block 6 is inserted into the guide slideway 8 on the support plate 1 through the guide slide block 61; by the arrangement, the transverse movement of the sliding block 6 is facilitated; when the slide block 6 is not arranged, in order to avoid the rotation of the pushing screw nut 5, the pushing screw nut 5 can be connected with the supporting plate 1 by adopting the sliding mechanism in the utility model; the selection can be specifically carried out according to the needs.

Further, in the utility model, the pushing screw nut 5 is connected with the sliding block 6 through a linkage part, the linkage part comprises a linkage rod 51 arranged on the pushing screw nut 5, and the sliding block 6 is provided with a strip-shaped groove 52; the pushing screw nut 5 is inserted in the strip-shaped groove 52 through the linkage rod 51 and connected with the sliding block 6; the length of the strip-shaped groove 52 is greater than the outer diameter of the linkage rod 51; the arrangement of the linkage part ensures the linkage between the sliding block 6 and the pushing nut 5, and when the sliding block 6 is mutually limited with the supporting plate 1 through the sliding rail mechanism, the sliding and pushing nuts 5 can be mutually limited; the screw nut 5 is prevented from being pushed to rotate along with the rotary screw rod 4; in addition, the linkage rod 51 is provided with a guide wheel 53, and the guide wheel 53 is arranged in the strip-shaped groove 52; the guide wheel 53 plays a good role in guiding and is convenient for pushing the screw nut 5 to move relative to the sliding block 6; in addition, in the utility model, in order to facilitate the subsequent movement of the pushing nut 5 relative to the sliding block 6, a placing groove is arranged in the sliding block 6, and the pushing nut 5 is inserted in the placing groove; the placing groove plays a good role in guiding, so that the subsequent movement of pushing the screw 5 is facilitated, the subsequent pushing of the jaw body 2 is facilitated, and the disc spring 7 is arranged in the placing groove; the disc spring 7 plays a role in buffering, so that the rigid clamping of the jaw body 2 on a product can be reduced, and the damage of the jaw on the product is reduced; in practical arrangement, in order to avoid interference, the pushing nut 5 and the disc spring 7 may not have a connection relationship therebetween in the present invention, and a contact connection may be employed.

Further, in the utility model, the sliding block 6 is provided with a placing groove 61, and the butterfly spring is placed in the placing groove 61; due to the arrangement, the disc spring 7 is prevented from leaking outwards, installation interference between the disc spring 7 and other adjacent parts is avoided, and a good positioning effect is achieved; the disc spring 7 is prevented from being separated from the slider 6.

In addition, the limiting plate 54 is arranged at the end part of the pushing nut 5, and the limiting plate 54 plays a good limiting role, so that the pushing nut 5 is prevented from excessively extending into the placing groove; the stopper plate 54 is connected to the pushing nut 5 by a bolt.

Further, in the utility model, the driving motor 3 is connected with the adjusting mechanism through a transmission mechanism; the transmission mechanism comprises a belt pulley 32 arranged on the spinning rod 4, and the belt pulley 32 is connected with an output shaft of the driving motor 3 through a transmission belt 31; the transmission mechanism is arranged, so that the connection between the driving motor 3 and the rotary screw rod 4 is facilitated.

Specifically, in actual use, the utility model:

driving motor 3 (can use inverter motor) installs on backup pad 1 through the screw, and rethread tooth-shaped area (drive belt 31) and belt pulley 32 are connected with lead screw 4, and driving motor 3 starts, and driving motor 3 drive double helix lead screw rotates, drives both sides and promotes screw 5 and do the motion that opens and shuts simultaneously, and slider 6 is connected with promotion screw 5, and the claw body 2 is installed to slider 6 below.

When clamping the work piece, slider 6 compresses dish spring 7 through promoting screw 5, from realizing the product and pressing from both sides tight operation, when relaxing the work piece, and the motor drives lead screw 4 antiport for promote screw 5 and drive slider 6 antiport, thereby realize the pine of product and take off.

The device is fixed by adopting a bolt mode, levels and centers are aligned, and the installation is completed on site. And finally, completing the equipment intermodal transportation debugging. After the installation is finished, the equipment runs well, the expected design purpose is achieved, and the transportation requirements of domestic high-grade vehicle axles and European standard vehicle axles in the production process can be met.

In addition, the jaw structure disclosed by the utility model mainly comprises a supporting plate 1, wherein the upper end of the supporting plate is provided with a variable frequency motor, and a double-helix screw rod below the supporting plate 1 is driven by a toothed belt, and simultaneously, screws on two sides are driven to synchronously open and close.

The guide sliding blocks 61 are arranged on two sides of the sliding block 6, the jaw body 2 is arranged on the lower portion of the sliding block 6, and the disc springs 7 of a certain number are arranged inside the sliding blocks 6 on two sides, so that the contact between a manipulator jaw and a workpiece is changed from rigid contact into elastic contact, and the manipulator jaw can be adaptive to workpieces of different sizes and can protect the workpiece from surface damage.

After the utility model is adopted, the tool adjusting time is reduced, the production efficiency is improved, and the adjustment is not needed under the condition of small size difference. The surface quality of the workpiece is improved, the number of reworked workpieces is reduced, and the yield is improved.

It is clear that the specific implementation of the utility model is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the utility model.

Claims

1. A mechanical clamping jaw device is characterized by comprising a supporting plate, wherein a clamping jaw mechanism is arranged on the supporting plate and is connected with a driving mechanism; the jaw mechanism comprises two jaw bodies connected to the supporting plate; the two clamping jaw bodies are symmetrically distributed.

2. The mechanical jaw apparatus of claim 1, wherein the drive mechanism comprises a drive motor coupled to the jaw body via an adjustment mechanism.

3. The mechanical jaw apparatus of claim 2, wherein the adjustment mechanism includes a screw rod disposed on a support plate; the clamping jaw body is connected to the screw rod; the screw rod is also provided with a pushing nut; each jaw body is matched with a pushing nut.

4. The mechanical jaw apparatus of claim 3, wherein each of the jaw bodies is connected to a screw rod through a connecting portion; the connecting part comprises a sliding block sleeved on the screw rod, and the sliding block is connected with the corresponding clamping jaw body; each sliding block is correspondingly provided with a pushing nut, and each sliding block is connected with one pushing nut.

5. The mechanical jaw device according to claim 4, wherein the pushing nut is connected to the slider through a linkage portion, the linkage portion includes a linkage rod disposed on the pushing nut, and the slider is provided with a strip-shaped groove; the pushing screw nut is inserted into the strip-shaped groove through the linkage rod and connected with the sliding block; the length of the strip-shaped groove is larger than the outer diameter of the linkage rod.

6. The mechanical jaw device of claim 5, wherein the linkage rod is provided with a guide wheel, and the guide wheel is arranged in a strip-shaped groove.

7. The mechanical jaw device according to claim 5, wherein a placement groove is provided in the slider, and a disc spring is provided in the placement groove; the pushing screw nut is inserted in the placing groove.

8. The mechanical jaw apparatus of claim 2, wherein the drive motor is connected to the adjustment mechanism through a transmission mechanism; the transmission mechanism comprises a belt pulley arranged on the spinning rod, and the belt pulley is connected with an output shaft of the driving motor through a transmission belt.