CN222308166U

CN222308166U - A mechanical fixture for auxiliary workpiece processing

Info

Publication number: CN222308166U
Application number: CN202420871559.0U
Authority: CN
Inventors: 王建华
Original assignee: Nanjing Pulai Electromechanical Co ltd
Current assignee: Nanjing Pulai Electromechanical Co ltd
Priority date: 2024-04-25
Filing date: 2024-04-25
Publication date: 2025-01-07
Anticipated expiration: 2034-04-25

Abstract

The utility model discloses a mechanical clamp for assisting in workpiece processing, which comprises a base, wherein a movable sliding seat is arranged on the base, a rotary table capable of realizing clamping direction adjustment is arranged on the sliding seat, a clamping assembly is arranged on the basis of the rotary table, the clamping assembly comprises a driving device for controlling clamping jaw actions, the clamping jaw is positioned between a group of clamping jaw assembly frames, sliding grooves for moving the clamping jaw are arranged on the inner sides of the clamping jaw assembly frames, and two oppositely arranged clamping jaws move towards the middle under the control of the driving device so as to realize workpiece clamping operation. The mechanical clamp provided by the utility model can realize the adjustment of the clamping direction, including the adjustment of the height, by the rotary table, is more flexible to mount on the mechanical operation arm, and is used for clamping the operations of drilling, marking and the like of workpieces.

Description

Mechanical clamp for assisting workpiece machining

Technical Field

The utility model relates to a design and manufacturing technology of a mechanical clamp, in particular to a mechanical clamp for assisting in workpiece processing.

Background

The mechanical fixture is a device, also called a fixture, used for fixing a processing object in a mechanical manufacturing process so as to occupy a correct position for receiving construction or detection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in the process may be referred to as a mechanical clamp.

Disclosure of Invention

The utility model aims to provide a mechanical clamp for assisting in workpiece processing, which is used for improving the flexibility of workpiece clamping and comprises the adjustment of clamping angle and height.

In order to achieve the above purpose, the present utility model provides the following technical solutions.

The utility model provides a work piece processing is supplementary with mechanical clamp, includes the base, the base on be equipped with mobilizable slide, be provided with the revolving stage that can realize centre gripping position adjustment on the slide, be equipped with clamping assembly based on this revolving stage, clamping assembly including the drive arrangement who is used for controlling the clamping jaw action, the clamping jaw be located between a set of clamping jaw assembly jig, the inboard of clamping jaw assembly jig is equipped with the spout that is used for the clamping jaw to remove, two clamping jaws of opposition setting remove in order to realize the centre gripping operation of work piece under drive arrangement's control.

Preferably, the driving device is arranged in the middle of the clamping port assembly frame and driven electrically, pneumatically or hydraulically.

Preferably, the driving device is arranged at two ends of the clamping opening assembly frame and is used for driving the clamping jaws to draw close to the middle of the clamping opening assembly frame along the sliding grooves so as to clamp workpieces.

Further, the driving device is installed through the combined plates, the two clamping port assembling frames are assembled together through the combined plates, and the driving device is assembled between the two combined plates.

Preferably, a sliding block is arranged in the sliding groove, a clamping jaw installation part is connected through the sliding block, the clamping jaw installation part is used for installing a clamping jaw, and the clamping jaw installation part is fixedly connected with a telescopic rod of the driving device.

Preferably, the base set up the slide through slide mechanism, slide mechanism adopt the straight line module of lead screw, the straight line module of lead screw includes ball, install the lead screw slider on the outer wall of ball, and the bottom combination installation of lead screw slider and slide.

Further, the lead screw linear module is installed in the outer wall slot of the base, and positioning holes are formed in four corners of the outer wall of the base.

Preferably, the rotary table is electrically operated, and the rotation of the rotary table is controlled by a motor.

Further, the revolving stage pass through telescopic machanism and set up clamping assembly, realize clamping assembly's altitude mixture control through telescopic machanism.

The utility model has the advantages that the clamping operation of the workpiece is more flexible, the rotation of the clamping assembly can be realized, the height adjustment can be realized, and the horizontal movement can be realized based on the base.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a top view of the present utility model;

fig. 3 is a schematic view of the placement state of the present utility model.

The device comprises a clamping port assembly frame 1, a sliding groove 2, a sliding block 3, a 4, a combination plate 5, a driving device 6, a telescopic rod 7, a clamping jaw installation part 8, a bracket 9, a driving motor 10, a connecting piece 11, a clamping jaw 12, a telescopic mechanism 13, a sliding seat 14, a rotating table 15, a rotary locking mechanism 16, a base 17, a lead screw linear module 18, a ball screw 19, a lead screw sliding block 20 and a positioning hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, the utility model provides a mechanical fixture for assisting in workpiece processing, which comprises a base 16, wherein a movable sliding seat 13 is arranged on the base 16, a rotary table 14 capable of realizing clamping orientation adjustment is arranged on the sliding seat, a clamping assembly is arranged on the basis of the rotary table, the clamping assembly comprises a driving device 5 for controlling clamping jaws 11 to act, the clamping jaws 11 are positioned between a group of clamping jaw assembly frames 1, a sliding groove 2 for moving the clamping jaws 11 is arranged on the inner side of the clamping jaw assembly frames 1, and two oppositely arranged clamping jaws 11 move towards the middle under the control of the driving device 5 so as to realize workpiece clamping operation.

The base 16 may be attached to a console or robot arm via a pilot hole 20. The structure of the base 16 and the sliding seat 13 can be seen in fig. 3, the sliding arrangement mode includes that a guide rail is arranged on the base 16 in a grooved way, the sliding seat 13 slides along the guide rail, and the sliding seat can be manually adjusted to a target position when in use, and then the sliding seat is locked. In some specific applications, the device can be set to be automatic, a screw linear module 17 is adopted, the screw linear module 17 comprises a ball screw 18, a screw slide block 19 is arranged on the outer wall of the ball screw 18, the screw slide block 19 is combined with the bottom of the sliding seat 13, the end part of the ball screw 18 is used for being connected with a screw motor (not shown in the figure), the screw motor and the ball screw 18 are used for driving the screw slide block 19 to linearly move, the position of the sliding seat 13 is adjusted through the screw linear module 17, so that the clamping position can be changed before clamping, and after a workpiece is clamped, the workpiece is driven to realize displacement, and the flexibility is improved.

Referring to fig. 1, a base 16 is provided with a slidable slide 13, a rotary table 14 is installed based on the opening of the slide 13, the rotary table 14 can be manually rotated by sleeving a bearing in a through hole formed in the slide 13, locking is achieved through a rotary locking mechanism 15 in use, the rotary locking mechanism 15 can be a combination of a bolt and a clamp, and locking can be achieved by propping against the lower end of the slide 13 through the bolt. In some applications, the rotary table 14 is arranged in an electric or pneumatic mode, including a motor (a stepping motor or a servo motor) which drives the rotary table 14 to rotate through a driving shaft. More preferably, the telescopic mechanism 12 is arranged below the rotary table 14, the telescopic mechanism 12 rotates together in the rotating process, the telescopic mechanism can be realized by an electric telescopic rod, based on the structure, the clamping position below the utility model rotates, therefore, the mechanical clamp has the effect of rotating and adjusting the clamping direction, the clamping position can be conveniently adjusted in clamping, and the angle of the workpiece is adjusted through rotation after the workpiece is clamped, so that the flexibility of the mechanical clamp is further improved.

As shown in fig. 2, the lower part of the rotary table 14 is connected with a clamping assembly, two sides of the clamping assembly are symmetrically arranged between the two clamping port assembly frames 1, the clamping assembly 7 comprises a bracket 8, a motor 9 can be driven on the side wall of the bracket 8, a sliding block 3 in a driving chute 2 of the motor 9 moves, the sliding block 3 is positioned on the side face of the clamping jaw installation part 7, two clamping jaw installation parts 7 are arranged, the clamping jaw 11 can be installed through a connecting piece 10, and the clamping jaw 11 can be directly replaced in the follow-up scheme.

The driving mode of the driving motor 9 is two-end driving, and is used for driving the clamping jaw to draw close to the middle part of the clamping opening assembly frame along the sliding groove so as to clamp a workpiece. The clamping movement of the clamping jaw 11 also comprises a drive arranged in the middle, i.e. the drive device is arranged in the middle of the jaw assembly frame. The driving device 5 adopts a bidirectional motor to control the telescopic rods to stretch out and draw back, or adopts a bidirectional cylinder to realize synchronous driving of the telescopic rods 6 at the left end and the right end, and the clamping jaw 11 approaches to the middle part of the clamping opening assembly frame 1 along the sliding groove to realize workpiece clamping.

The clamping operation can also be designed as follows, as known from the prior art:

The side of the clamping assembly frame 1 is provided with a groove, racks or chains are arranged in the groove, the clamping assembly frame 1 which is oppositely arranged is internally provided with gears, the middle of the clamping assembly frame 1 is meshed with the racks or the chains in the clamping assembly frames 1 at two sides, the gears can rotate to realize the movement of the racks or the chains, one side of each clamping assembly frame is right and the other side of each clamping assembly frame is left, and the clamping jaws 11 are promoted to be close to or separated from each other towards the middle.

For the structure of the driving device 5, the installation is realized through the combined plates 4, the two clamping assembly frames 1 are assembled together through the combined plates 4, and the driving device 5 is assembled between the two combined plates 4, including the end part or the middle part.

The mechanical clamp provided by the utility model comprises the step of arranging the base 16 on a machine tool or an operation table or a robot control arm to clamp a workpiece, and can be used for assisting in drilling, bending or marking the workpiece.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A mechanical clamp for assisting workpiece processing, comprising a base (16), characterized in that a movable slide (13) is provided on the base (16), a rotating table (14) capable of adjusting the clamping position is provided on the slide, a clamping assembly is provided based on the rotating table (14), the clamping assembly comprises a driving device (5) for controlling the movement of a clamping jaw (11), the clamping jaw (11) is located between a group of clamping jaw assembly frames (1), a sliding groove (2) for moving the clamping jaw (11) is provided on the inner side of the clamping jaw assembly frame (1), and two clamping jaws (11) arranged opposite to each other move toward the middle under the control of the driving device (5) to realize the clamping operation of the workpiece.

2. The mechanical fixture for auxiliary workpiece processing according to claim 1 is characterized in that the driving device (5) is arranged in the middle of the clamp assembly frame (1) and is driven electrically, pneumatically or hydraulically.

3. The mechanical clamp for assisting workpiece processing according to claim 1 is characterized in that the driving device (5) is arranged at both ends of the clamp assembly frame (1) to drive the clamping claw (11) along the slide groove (2) to move toward the middle of the clamp assembly frame (1) to clamp the workpiece.

4. The mechanical clamp for assisting workpiece processing according to claim 1 is characterized in that a slider (3) is provided in the slide groove (2), and a clamp mounting portion (7) is connected via the slider (3), the clamp mounting portion (7) is used to mount the clamp (11), and the clamp mounting portion (7) is fixedly connected to the telescopic rod (6) of the driving device (5).

5. The mechanical fixture for auxiliary workpiece processing according to claim 2 is characterized in that the driving device (5) is installed through a combination plate (4), the two clamp assembly frames (1) are assembled together through the combination plate (4), and the driving device (5) is assembled between the two combination plates (4).

6. The mechanical fixture for auxiliary workpiece processing according to claim 1 is characterized in that the base (16) is provided with a slide seat (13) through a sliding mechanism, and the sliding mechanism adopts a screw linear module (17), and the screw linear module (17) includes a ball screw (18), and a screw slider (19) is installed on the outer wall of the ball screw (18), and the screw slider (19) is installed in combination with the bottom of the slide seat (13).

7. The mechanical fixture for auxiliary workpiece processing according to claim 1 is characterized in that the rotating table (14) is configured to be electric and its rotation is controlled by a motor.

8. The mechanical fixture for auxiliary workpiece processing according to claim 1 is characterized in that the rotating table (14) is provided with a clamping assembly through a telescopic mechanism, and the height adjustment of the clamping assembly is achieved through the telescopic mechanism.

9. The mechanical fixture for auxiliary workpiece processing according to claim 6 is characterized in that the screw linear module (17) is installed in the groove of the outer wall of the base (16), and positioning holes (20) are provided at the four corners of the outer wall of the base (16).