CN108311939A - A kind of mechanical processing workpiece holding transfer device - Google Patents

Abstract

The invention discloses a workpiece clamping and transferring device for mechanical processing, which comprises a base, a working platform, a supporting column, a lifting plate, a movable plate, a screw, a connector and a mechanical splint. The top plate and the right side wall of the middle part of the supporting column are provided with a supporting bottom plate, and the rotating frame between the middle part of the supporting top plate and the middle part of the supporting bottom plate is provided with a lead screw, and the middle part of the movable plate is sleeved on the lead screw through a threaded connection, and the lifting plate is fixed. Welding is erected on the right end of the movable plate, and the lower surface of the lifting plate is fixedly equipped with a hinged seat, and two ends of the hinged seat are rotated to be provided with two No. 1 hinged rods, and the other ends of the two No. The other end of the No. 2 hinged rod is provided with a mechanical splint integrally formed with it. The invention has the advantages of simple structure, reasonable design, flexible use, good clamping effect on the workpiece, convenient transfer of the workpiece, and strong practicability.

Description

A workpiece clamping and transferring device for mechanical processing

technical field

The invention relates to a workpiece clamping and transferring device for mechanical processing, which belongs to the technical field of mechanical processing.

Background technique

A manipulator is an automatic operating device that can imitate certain movement functions of the human hand and arm to grab, carry objects or operate tools according to a fixed program. The manipulator is the earliest industrial robot and the first modern robot. It can replace the heavy labor of people to realize the mechanization and automation of production, and can operate in harmful environments to protect personal safety. Therefore, it is widely used in machinery manufacturing, metallurgy, Departments of electronics, light industry and atomic energy. The driving mode of the manipulator can be divided into hydraulic, pneumatic, electric and mechanical.

In the existing mechanical processing field, it is often necessary to use the manipulator to transfer the workpiece to the designated position. However, when the workpiece gripping and transferring device in the prior art is used, the manipulator clamps too loosely, which will cause the workpiece to fall, and the structure is complicated. Not flexible enough, the clamping effect is poor, and the practicability is not strong.

Contents of the invention

The technical problem to be solved by the present invention is to provide a workpiece clamping and transferring device for mechanical processing, so as to solve the problems raised in the above-mentioned background technology.

The technical solution of the present invention is: a workpiece clamping and transferring device for mechanical processing, including a base, a working platform, a supporting column, a lifting plate, a movable plate, a screw, a connecting piece and a mechanical splint, and the upper surface of the left end of the base rotates A support column is erected; a support frame is fixedly installed on the upper surface of the left end of the base; the lower part of the support column is rotatably erected on the top plate of the support frame; a driven gear is fixedly installed on the surface of the middle outer ring of the support column; The upper surface of the left end of the base is fixedly provided with a drive motor, and the top of the output shaft of the drive motor is fixedly provided with a driving gear; The right side wall of the middle part is also fixedly welded with a supporting bottom plate; the rotating frame between the middle part of the supporting top plate and the middle part of the supporting bottom plate is provided with a screw; the symmetrical fixed welding frame between the supporting top plate and the supporting bottom plate is provided with two guide slides. Rod; the middle part of the movable plate is sleeved on the lead screw through threaded connection, and the two ends of the movable plate slide up and down and are sleeved on the two guide sliders; the top of the supporting top plate is fixedly installed with a No. 2 driving motor; the lifting plate is fixedly welded and erected on the right end of the movable plate; an electric telescopic cylinder is fixedly arranged above the middle of the lifting plate; a hinged seat is fixedly installed on the lower surface of the lifting plate; the hinged seat Both ends of the two hinged rods are hinged to rotate. There are two No. 1 hinged rods, and the other ends of the two No. 1 hinged rods are connected to two No. It is hingedly connected to the rotating rod; the outer surface of the rotating rod is provided with a connecting piece through a bearing connection; the top of the connecting piece is fixedly connected to the bottom end of the telescopic rod, and the top of the telescopic rod is connected to the inside of the electric telescopic cylinder. The output mechanism is linked; the other end of the second articulated rod is provided with a mechanical splint integrally formed with it, and a clamping part is fixedly installed on the inner wall of the lower end of the mechanical splint.

Preferably, the driving gear and the driven gear are drivingly connected through gear meshing.

Preferably, the supporting bottom plate is located above the driven gear.

Preferably, the middle part of the movable plate is provided with an internal thread through hole, and both ends of the movable plate are provided with guide sliding holes.

Preferably, both the No. 1 drive motor and the No. 2 drive motor use forward and reverse servo motors.

Preferably, a protective sleeve is also provided at the joint between the connecting piece and the rotating rod.

Preferably, a working platform is provided on the upper surface of the right end of the base, and the working platform is located directly below the mechanical splint.

The beneficial effects of the present invention are: the present invention uses the No. 1 driving motor to drive the driving gear to rotate, and then drives the support column to rotate, and then adjusts the mechanical splint to be located directly above the workpiece on the upper surface of the working platform; uses the output shaft of the No. 2 driving motor to drive the wire The lever rotates, because the movable plate is sleeved on the lead screw through threaded connection, when the lead screw is rotating, the movable plate at this time slides up and down relative to the guide slide bar, so as to adjust the vertical height of the mechanical splint; When the telescopic rod is shortened, the intersection point of the two No. 2 articulated rods gradually moves upwards, and the distance between the two mechanical splints gradually decreases from large to small, so that the two mechanical splints can fully clamp the workpiece before clamping. Unfolding, it is convenient to clamp the workpiece on the working platform, the telescopic rod is extended, and the two mechanical splints are close to each other to realize the full clamping of the workpiece. After the workpiece is clamped, it can continue to pass the output of the second drive motor The shaft is reversely rotated to adjust the height of the lifting plate, and then by controlling the rotation of the output shaft of the No. 1 driving motor, the lifting plate makes a circular motion around the support column, so that the workpiece is transferred to the designated position. To sum up, the whole device has simple structure, reasonable design, flexible use, good clamping effect on the workpiece, convenient transfer of the workpiece, and strong practicability.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the top view of lifting plate of the present invention;

Fig. 3 is a structural schematic diagram of the connector of the present invention.

In the figure: 1-base, 2-working platform, 3-supporting column, 4-supporting top plate, 5-drive motor No. 1, 6-supporting frame, 7-driving gear, 8-driven gear, 9-supporting bottom plate, 10-No. 2 driving motor, 11-lifting plate, 12-movable plate, 13-electric telescopic cylinder, 14-leading screw, 15-guide slide rod, 16-telescopic rod, 17-hinged seat, 18-No. 2 articulated rod , 19-No. 1 articulated rod, 20-connector, 21-mechanical splint, 22-clamping part, 23-guiding slide hole, 24-internal thread through hole, 25-protective sleeve, 26-rotating rod.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1-3, in the embodiment of the present invention, a workpiece clamping and transferring device for mechanical processing includes a base 1, a working platform 2, a supporting column 3, a lifting plate 11, a movable plate 12, a screw 14, and a connecting piece 20 and a mechanical splint 21, the upper surface of the left end of the base 1 is provided with a support column 3 that is vertically arranged on the turret through a bearing connection mode; the upper surface of the left end of the base 1 is also fixedly equipped with a support frame 6; the support The lower part of the column 3 is mounted on the top plate of the support frame 6 through bearing connection; the outer surface of the middle part of the support column 3 is fixedly equipped with a driven gear 8; the upper surface of the left end of the base 1 is fixedly equipped with a No. 1 driving motor 5. The top of the output shaft of the No. 1 driving motor 5 is fixed with a driving gear 7, wherein the driving gear 7 and the driven gear 8 are drivingly connected through gear meshing.

The fixed welding frame on the top right side wall of the support column 3 is provided with a support top plate 4 arranged in a horizontal direction; the middle part right side wall of the support column 3 is also fixedly welded with a support base plate 9 arranged in a horizontal direction to support Bottom plate 9 is positioned at the top of driven gear 8; The middle part of described support top plate 4 and the middle part of support bottom plate 9 are provided with lead screw 14 through the rotating frame of bearing connection mode; Also symmetrically fixed between described support top plate 4 and support bottom plate 9 The welding frame is provided with two guide slide bars 15; the middle part of the movable plate 12 is provided with an internal thread through hole 24, and both ends of the movable plate 12 are provided with guide sliding holes 23; the middle part of the movable plate 12 is connected by a screw thread Sleeved on the lead screw 14, the two ends of the movable plate 12 slide up and down and set on the two guide sliders 15; the top of the supporting top plate 4 is fixedly installed with a No. 2 drive motor 10 for driving the lead screw 14 to rotate; Both the No. 1 drive motor 5 and the No. 2 drive motor 10 are forward and reverse servo motors.

The lifting plate 11 is fixedly welded and erected on the right end of the movable plate 12; the upper middle part of the lifting plate 11 is fixedly provided with an electric telescopic cylinder 13; the lower surface of the lifting plate 11 is fixedly equipped with a hinged seat 17; the hinged seat Both ends of 17 are provided with two No. 1 articulated rods 19 by articulated rotation, and the other ends of the two No. 1 articulated rods 19 are connected with two No. 2 articulated rods 18 by articulated rotation. The middle part of 18 is rotatably connected with the rotating rod 26 through a hinge; the outer ring surface of the rotating rod 26 is provided with a connecting piece 20 through a bearing connection, and a protective sleeve 25 is also provided at the connection between the connecting piece 20 and the rotating rod 26 The top of the connector 20 is fixedly connected to the bottom end of the telescopic rod 16, and the top of the telescopic rod 16 is linked with the output mechanism inside the electric telescopic cylinder 13; the other end of the second articulated rod 18 is provided with an integrated Mechanical splint 21, the lower end inner wall of mechanical splint 21 is fixedly installed with clamping portion 22;

The working principle of the present invention is: when the workpiece on the upper surface of the working platform 2 needs to be clamped, the No. 1 driving motor 5 is started, and the No. 1 driving motor 5 drives the driving gear 7 to rotate, and then drives the support column 3 to rotate. At this time, the lifting plate 11 and the movable plate 12 rotate with the rotation of the support column 3, and then adjust the mechanical splint 21 to be positioned directly above the workpiece on the upper surface of the working platform 2; start the No. 2 drive motor 10, and the output shaft of the No. 2 drive motor 10 drives the lead screw 14 Rotate, because the movable plate 12 is sleeved on the lead screw 14 through threaded connection, when the lead screw 14 is rotating, the movable plate 12 at this time slides up and down relative to the guide slide bar 15, thereby adjusting the mechanical splint 21 The vertical height makes the spatial position of the two mechanical splints 21 easy to clamp the workpiece; when the electric telescopic cylinder 13 is activated, the electric telescopic cylinder 13 can drive the telescopic rod 16 to extend or shorten, and when the telescopic rod 16 is shortened, The intersection point of the two No. 2 articulated rods 18 gradually moves upwards, and at this time, the distance between the two mechanical splints 21 gradually decreases from large to small, so that the two mechanical splints 21 can be fully expanded before clamping the workpiece, which is convenient for clamping the workpiece. The workpiece on the working platform 2 is clamped, the electric telescopic cylinder 13 is controlled to drive the telescopic rod 16 to extend, and the two mechanical splints 21 are close to each other to realize sufficient clamping of the workpiece. The output shaft of No. 1 driving motor 10 reversely rotates to adjust the height of lifting plate 11, and then the output shaft of No. 1 driving motor 5 is controlled to rotate to realize that lifting plate 11 moves in a circle around support column 3, so that the workpiece is transferred to a designated position.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still It is possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present invention shall be included in the within the protection scope of the present invention.

Claims (7)

1. A workpiece clamping and transferring device for mechanical processing, characterized in that it includes a base (1), a working platform (2), a supporting column (3), a lifting plate (11), a movable plate (12), a screw ( 14), connectors (20) and mechanical splints (21); the turret on the left upper surface of the base (1) is provided with a supporting column (3), and the upper left surface of the base (1) is also fixedly installed with a support frame (6), the lower part of the support column (3) is rotatably mounted on the top plate of the support frame (6), and the surface of the middle outer ring of the support column (3) is fixedly equipped with a driven gear (8), and the base (1) is fixedly provided with a No. 1 drive motor (5) on the upper surface of the left end, and the top of the output shaft of the No. 1 drive motor (5) is fixedly provided with a driving gear (7). The fixed welding frame is provided with a support top plate (4), and a support bottom plate (9) is also fixedly welded on the right side wall of the middle part of the support column (3), and the middle part of the support top plate (4) is connected with the support bottom plate (9). The rotating frame between the middle parts is provided with a screw (14), and the symmetrical fixed welding frame between the supporting top plate (4) and the supporting bottom plate (9) is provided with two guide sliders (15), and the middle part of the movable plate (12) It is sleeved on the lead screw (14) through threaded connection, the two ends of the movable plate (12) slide up and down and sleeved on the two guide sliders (15), and the top of the supporting top plate (4) is fixedly installed with a The No. 2 driving motor (10) that drives the screw (14) to rotate, the lifting plate (11) is fixedly welded and erected on the right end of the movable plate (12), and the upper middle part of the lifting plate (11) is fixedly equipped with an electric telescopic Cylinder (13), the lower surface of the lifting plate (11) is fixedly equipped with a hinged seat (17), and the two ends of the hinged seat (17) are hinged to rotate and are provided with two No. 1 hinged rods (19) , the other ends of the two No. 1 articulated rods (19) are rotatably connected with two No. 2 articulated rods (18), the middle parts of the two No. ) rotating connection, the outer ring surface of the rotating rod (26) is provided with a connecting piece (20) through bearing connection, the top of the connecting piece (20) is fixedly connected with the bottom end of the telescopic rod (16), and the telescopic rod The top of (16) is linked with the output mechanism inside the electric telescopic cylinder (13), and the other end of the second articulated rod (18) is provided with a mechanical splint (21) integrally formed with it, and the inner wall of the lower end of the mechanical splint (21) A clamping portion (22) is fixedly installed on the top. 2. The workpiece clamping and transferring device for mechanical processing according to claim 1, characterized in that: the driving gear (7) and the driven gear (8) are drivingly connected by gear meshing. 3. The workpiece clamping and transferring device for mechanical processing according to claim 1, characterized in that: the support base plate (9) is located above the driven gear (8). 4. The workpiece clamping and transferring device for mechanical processing according to claim 1, characterized in that: the middle part of the movable plate (12) is provided with an internal thread through hole (24), and both ends of the movable plate (12) are Offer guide sliding hole (23). 5. The workpiece clamping and transferring device for mechanical processing according to claim 1, characterized in that: the No. 1 drive motor (5) and the No. 2 drive motor (10) both use forward and reverse servo motors. 6 . The workpiece clamping and transferring device for machining according to claim 1 , characterized in that: a protective cover ( 25 ) is also provided at the joint between the connecting piece ( 20 ) and the rotating rod ( 26 ). 7 . 7. The workpiece clamping and transferring device for mechanical processing according to claim 1, characterized in that: the upper surface of the right end of the base (1) is also provided with a working platform (2), and the working platform (2) is located on the mechanical splint ( 21) directly below.