CN211729221U

CN211729221U - Servo drive synchronous motion double-clamp

Info

Publication number: CN211729221U
Application number: CN202020115924.7U
Authority: CN
Inventors: 冯晓晖; 孟昳萍
Original assignee: Xi'an Lihui Automation Equipment Co ltd
Current assignee: Xi'an Lihui Automation Equipment Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-10-23
Anticipated expiration: 2030-01-17

Abstract

The utility model relates to a servo drive synchronous motion double fixture, which comprises a fixture frame, wherein two sets of fixtures and linear guide rails are arranged at the upper end and the lower end of the fixture frame, the fixtures are driven by a servo motor, and a speed reducer is driven by the servo motor to rotate; a first synchronous belt wheel is arranged on a servo motor shaft, a second synchronous belt wheel is arranged on a trapezoidal screw rod arranged on the clamp, and the first synchronous belt wheel and the second synchronous belt wheel are connected through a synchronous belt; the clamp comprises a clamp bracket, the clamp bracket is arranged on a guide rail sliding block, the guide rail sliding block slides left and right along a linear guide rail, and the guide rail sliding block is connected with a clamping jaw; the second synchronous belt wheel is connected with a first bevel gear, two ends of the trapezoidal screw are connected with a second bevel gear, and the first bevel gear is meshed with the second bevel gear to drive the trapezoidal screw to rotate; the trapezoidal lead screw drives the lead screw nut to rotate, and the lead screw nut rotates to drive the clamping jaw to do opening and closing movement to clamp the workpiece. The utility model has the advantages that, the dynamics is adjustable, the centre gripping is convenient, safe and reliable's servo drive simultaneous movement double fixture.

Description

Servo drive synchronous motion double-clamp

Technical Field

The utility model belongs to the electromechanical control field, concretely relates to servo drive simultaneous movement double fixture.

Background

Among the prior art, the clamp of stick tubulation material is got and is appeared slipping easily or the clamp force is too big with the circumstances such as work piece clamp deformation, when the pipe material part of the different wall thicknesses of centre gripping, the clamping-force will conveniently be adjusted, along with the development of servo motor technique, adopt servo motor as the prime power of clamp force, through the size that changes servo motor output torque, can easily reach the size of final anchor clamps clamping-force, the moment output modulus that adopts PLC control technique and servo motor can just set up the clamping-force size of anchor clamps above man-machine interface.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, provide a servo drive simultaneous movement double fixture that dynamics is adjustable, centre gripping is convenient, safe and reliable.

In order to achieve the above object, the utility model provides a following technical scheme:

a servo-driven synchronous motion double clamp comprises a clamp rack, wherein two sets of clamps and linear guide rails with the same structure are arranged at the upper end and the lower end of the clamp rack, the clamps are driven by a servo motor, and the servo motor drives a speed reducer to rotate; a first synchronous belt wheel is arranged on a servo motor shaft, a second synchronous belt wheel is arranged on a trapezoidal screw rod arranged on the clamp, and the first synchronous belt wheel is connected with the second synchronous belt wheel through a synchronous belt;

the clamp comprises a clamp bracket, the clamp bracket is arranged on a guide rail sliding block arranged in parallel with the clamp bracket, the guide rail sliding block slides left and right along a linear guide rail, and the guide rail sliding block is connected with a clamping jaw;

the second synchronous belt pulley is connected with a first bevel gear, two ends of the trapezoidal screw are connected with a second bevel gear through a supporting bearing seat of the trapezoidal screw, and the first bevel gear is meshed with the second bevel gear to drive the trapezoidal screw to rotate; the trapezoidal lead screw drives the lead screw nut to rotate, and the lead screw nut rotates to drive the clamping jaw to move in an opening and closing mode to clamp a workpiece.

Furthermore, the trapezoidal screw rod is in a left-right rotating direction, and the trapezoidal screw rod rotates to drive the screw rod nuts in two different rotating directions to do linear motion in opposite directions.

Further, the screw nut is arranged on the clamp bracket and fixedly connected with the clamping jaw.

Furthermore, the trapezoidal lead screws on the two sets of clamps synchronously rotate.

Further, the clamp is controlled to operate through a PLC.

Further, the clamp is used for clamping a round bar or pipe workpiece.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model drives the clamp to clamp the workpiece through the servo motor, the clamping force can be adjusted, the upper clamp and the lower clamp synchronously move to clamp the workpiece, enough large torque can be borne, and the work is safe and reliable; the utility model can clamp round pipe and bar workpieces, can change the clamp force of the clamp by changing the output torque of the servo motor, can change the clamping jaw, can clamp workpieces in other directions or shapes, and has wide application range; the clamp is controlled through the PLC, and the operation is simple and convenient.

Drawings

In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings required to be used in the description of the embodiment will be briefly introduced below, it is obvious that the drawings in the following description are only for more clearly illustrating the embodiment of the present invention or the technical solution in the prior art, and for those skilled in the art, other drawings can be obtained according to the drawings without any creative effort.

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1-servo motor, 2-speed reducer, 3-synchronous belt, 4-first synchronous belt pulley, 5-first bevel gear, 6-trapezoidal screw, 7-trapezoidal screw support bearing seat, 8-clamping jaw, 9-clamp rack, 10-linear guide rail, 11-guide rail slide block, 12-second synchronous belt pulley, 13-clamp bracket and 14-second bevel gear.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described with reference to the following specific embodiments, which are provided as illustration only and are not intended to limit the present invention.

The servo-driven synchronous motion double fixture shown in fig. 1 comprises a fixture rack 9, wherein two sets of fixtures with the same structure and linear guide rails 10 are arranged at the upper end and the lower end of the fixture rack 9, the fixtures are driven by a servo motor 1, and the servo motor 1 drives a speed reducer 2 to rotate; a first synchronous belt pulley 4 is arranged on a shaft of the servo motor 1, a second synchronous belt pulley 12 is arranged on a trapezoidal screw 6 arranged on the clamp, and the first synchronous belt pulley 4 is connected with the second synchronous belt pulley 12 through a synchronous belt 3; the clamp comprises a clamp bracket 13, the clamp bracket 13 is arranged on a guide rail sliding block 11 arranged in parallel with the clamp bracket, the guide rail sliding block 11 slides left and right along a linear guide rail 10, and the guide rail sliding block 11 is connected with a clamping jaw 8; the second synchronous belt pulley 12 is connected with a first bevel gear 5, two ends of the trapezoidal lead screw 6 are connected with a second bevel gear 14 through a trapezoidal lead screw supporting bearing seat 7, and the first bevel gear 5 is meshed with the second bevel gear 14 to drive the trapezoidal lead screw 6 to rotate; the trapezoidal lead screw 6 drives a lead screw nut to rotate, and the lead screw nut rotates to drive the clamping jaw 8 to move in an opening and closing mode to clamp a workpiece.

The trapezoidal screw 6 is in left and right rotating directions, and the rotation of the trapezoidal screw drives screw nuts in two different rotating directions to do linear motion in opposite directions; the screw nut is arranged on the clamp bracket 13 and is fixedly connected with the clamping jaw 8; the trapezoidal lead screws 6 on the two sets of clamps rotate synchronously.

The utility model discloses the moment output modulus of anchor clamps through PLC control technique and servo motor can conveniently set up the clamping-force size of anchor clamps on human-computer interface as required.

The servo motor 1 is used as the driving force of the clamp, the servo motor 1 reduces the speed through the speed reducer 2 to increase the output torque, then the synchronous belt 3, the first synchronous belt pulley 4, the second synchronous belt pulley 12, the first bevel gear 5 and the second bevel gear 14 are used for transmission, the trapezoidal screw 6 rotating in the left-right rotating direction is finally driven to rotate, the trapezoidal screw 6 rotates to drive the trapezoidal nut to do linear motion, the clamping jaw 8 is fixedly connected with the trapezoidal nut, and the clamping jaw 8 is used for clamping or loosening a workpiece.

The servo motor 1 drives the speed reducer 2 to rotate, so that the torque of the servo motor 1 is increased, a first synchronous belt pulley 4 is arranged on a shaft of the motor 1, a second synchronous belt pulley 12 is arranged on a trapezoidal lead screw 6 of the clamp and connected with the first synchronous belt pulley 4 on the speed reducer 2 through a synchronous belt 3, and the output torque of the speed reducer 2 drives the trapezoidal lead screw 6 to synchronously rotate through the transmission of the synchronous belt 3. The trapezoidal lead screw 6 is processed into left and right rotating directions, the rotation of the trapezoidal lead screw 6 drives two lead screw nuts with different rotating directions to move in opposite directions, the lead screw nuts are arranged on the clamp bracket 13, and the movement of the lead screw nuts finally drives the clamping jaw 8 to open or close to clamp. Because the trapezoidal lead screws 6 on the two sets of clamps synchronously rotate, the clamping jaws 8 of the two sets of clamps synchronously open or close and clamp, and the clamp bracket 13 is arranged on the guide rail sliding block 11, can move along the linear guide rail 10 on the clamp rack 9 and can bear enough large moment.

The utility model discloses can press from both sides tight circular pipe material and bar work piece, through the size that changes 1 output torque of servo motor, just can change the anchor clamps clamp force, through changing clamping jaw 8, also can press from both sides the work piece of getting other directions or other shapes, application scope is wide.

The utility model drives the clamp to clamp the workpiece through the servo motor 1, the clamping force can be adjusted, the upper clamp and the lower clamp synchronously move to clamp the workpiece, enough large torque can be borne, and the work is safe and reliable; the clamp is controlled through the PLC, and the operation is simple and convenient.

The present invention is not described in detail in the prior art.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A servo drive synchronous motion double clamp comprises a clamp rack (9) and is characterized in that two sets of clamps with the same structure and linear guide rails (10) are arranged at the upper end and the lower end of the clamp rack (9), the clamps are driven by a servo motor (1), and the servo motor (1) drives a speed reducer (2) to rotate; a first synchronous belt wheel (4) is arranged on a shaft of the servo motor (1), a second synchronous belt wheel (12) is arranged on a trapezoidal lead screw (6) arranged on the clamp, and the first synchronous belt wheel (4) is connected with the second synchronous belt wheel (12) through a synchronous belt (3);

the clamp comprises a clamp support (13), the clamp support (13) is arranged on a guide rail sliding block (11) arranged in parallel with the clamp support, the guide rail sliding block (11) slides left and right along a linear guide rail (10), and the guide rail sliding block (11) is connected with a clamping jaw (8);

the second synchronous belt wheel (12) is connected with a first bevel gear (5), two ends of the trapezoidal lead screw (6) are connected with a second bevel gear (14) through a trapezoidal lead screw supporting bearing seat (7), and the first bevel gear (5) is meshed with the second bevel gear (14) to drive the trapezoidal lead screw (6) to rotate; the trapezoidal lead screw (6) drives a lead screw nut to rotate, and the lead screw nut rotates to drive the clamping jaw (8) to move in an opening and closing mode to clamp a workpiece.

2. A servo-driven simultaneous movement dual clamp according to claim 1, wherein said trapezoidal screw (6) has left and right screw directions, and rotation thereof drives two screw nuts of different screw directions to move linearly in opposite directions.

3. Servo driven synchronous motion double clamp according to claim 1, characterized in that the screw nut is mounted on a clamp holder (13) which is fixedly connected to the clamping jaws (8).

4. A servo-driven simultaneous movement dual clamp according to claim 1, wherein the trapezoidal lead screws (6) on the two sets of clamps move in a simultaneous rotation.

5. A servo driven simultaneous movement dual chuck according to claim 1, wherein said chucks are operated by PLC control.

6. A servo driven simultaneous movement dual clamp as claimed in any one of claims 1 to 5 wherein the clamp is used to clamp round bar or tube work pieces.