CN220807248U - Clamping tool - Google Patents

Abstract

The utility model discloses a clamping tool which comprises a workbench, wherein moving plates are arranged on two sides of the upper surface of the workbench, moving grooves corresponding to the positions of the two moving plates are formed in the upper surface of the workbench, grooves are formed in the upper surface of the moving plates, fixing rods are fixed on the inner walls of the moving plates, and a plurality of clamping blocks are rotatably connected to the outer surfaces of the fixing rods. According to the utility model, the workbench, the moving plate, the moving groove, the fixed rod, the clamping blocks, the reset spring and the driving assembly are arranged, the driving assembly drives the moving plate to move, so that a plurality of clamping blocks are simultaneously close to a workpiece, part of the clamping blocks firstly contact with the protruding parts of the workpiece, the clamping blocks corresponding to the protruding parts of the workpiece rotate around the fixed rod under the continuous movement of the moving plate, the reset spring is compressed, at the moment, the moving plate can continuously move until most of the clamping blocks are attached and clamped with the flat surface of the workpiece, the clamping blocks cannot squeeze the protruding parts of the workpiece with high strength, the workpiece is deformed or damaged, and the product yield is affected.

Description

Clamping tool

Technical Field

The utility model relates to the technical field of machining, in particular to a clamping tool.

Background

Tooling, i.e., process equipment, refers to the generic name of various tools used in the manufacturing process. Is an apparatus, tool or system for securing, positioning and supporting a workpiece or part. The device plays a key role in the manufacturing, processing and assembling processes, and can keep the workpiece at a specific position and a specific posture, so that the workpiece can be accurately processed, detected or assembled. Tooling is typically designed with specific shapes, sizes and functions to accommodate specific production requirements, including clamps, molds, gauges, inspection tools, auxiliary tools, tooling tools, work station tools, and the like.

In the prior art, the workpieces are various, different in shape and structure and uneven, a single square clamping block cannot adapt to different shapes of the workpieces, the protruding parts of the workpieces are easy to damage due to excessive clamping, the product qualification rate is affected, and in order to ensure the processing quality, a special clamp is developed for each workpiece, and the clamping cost is increased.

Disclosure of utility model

The utility model aims to provide a clamping tool, which solves the problems that square clamping blocks in the prior art cannot adapt to different shapes of workpieces, the protruding parts of the workpieces are easy to damage due to excessive clamping, the qualification rate of products is affected, and a special clamp is developed for each workpiece to ensure the processing quality and the clamping cost is increased.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a clamping frock, includes the workstation, workstation upper surface both sides all are provided with the movable plate, and the movable groove that corresponds with two movable plate positions is seted up to the workstation upper surface, the movable plate upper surface is seted up flutedly, and the movable plate inner wall is fixed with the dead lever, the dead lever surface rotates and is connected with a plurality of clamp splice, fixedly connected with reset spring between clamp splice one side upper end and the movable plate, the inside drive assembly that can drive two movable plates and move in opposite directions that is provided with of workstation.

Preferably, the drive assembly is including fixing the connecting block at two movable plate lower surface middle parts, the spout that corresponds with the connecting block position has been seted up to the workstation upper surface, the inside rotation of spout is connected with two-way threaded rod, threaded connection between two-way threaded rod and the connecting block, workstation one side has set firmly can drive two-way threaded rod pivoted motor.

Preferably, a side of the clamping block, which is far away from the return spring, is provided with a corrugated surface.

Preferably, a soft layer is fixedly arranged on the outer surface of the corrugated surface.

Preferably, the lower end of the clamping block is arc-shaped.

Preferably, the outer surface of the fixing rod is provided with a sand grinding layer.

Compared with the prior art, the utility model has the beneficial effects that:

The utility model is provided with a workbench, a moving plate, a moving groove, a fixed rod, clamping blocks, a reset spring and a driving component, wherein the driving component drives the moving plate to move, so that a plurality of clamping blocks are simultaneously close to a workpiece, part of the clamping blocks firstly contact with the protruding parts of the workpiece, the clamping blocks corresponding to the protruding parts of the workpiece rotate around the fixed rod under the continuous movement of the moving plate, the reset spring is compressed, at the moment, the moving plate can continuously move until most of the clamping blocks are attached and clamped with the flat surface of the workpiece, the clamping blocks can not squeeze the protruding parts of the workpiece with high strength, the deformation or damage of the workpiece are caused, and the product qualification rate is affected.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

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

FIG. 2 is a schematic diagram of a split structure of a clamping block and a moving plate according to the present utility model;

FIG. 3 is a schematic view of a clamp block according to the present utility model.

In the figure: 1. a work table; 2. a moving plate; 3. a moving groove; 4. clamping blocks; 5. a return spring; 6. a connecting block; 7. a chute; 8. a two-way threaded rod; 9. a motor; 10. a corrugated surface; 11. a soft layer; 12. a groove; 13. a fixed rod; 14. and (5) grinding the sand layer.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in the embodiment of the utility model, a clamping tool comprises a workbench 1, wherein the middle part of the upper surface of the workbench 1 is used for placing a workpiece, a workplace is provided for processing the workpiece, two sides of the upper surface of the workbench 1 are respectively provided with a movable plate 2, the upper surface of the workbench 1 is provided with a movable groove 3 corresponding to the positions of the two movable plates 2, the upper surface of the movable plate 2 is provided with a groove 12, the groove 12 is convenient for the rotation of a clamping block 4, the inner wall of the movable plate 2 is fixedly provided with a fixed rod 13, the clamping block 4 can rotate around the fixed rod 13, the outer surface of the fixed rod 13 is rotationally connected with a plurality of clamping blocks 4, a reset spring 5 is fixedly connected between the upper end of one side of the clamping block 4 and the movable plate 2, the reset spring 5 is used for realizing the rotational reset of the clamping block 4, the plurality of clamping blocks 4 are simultaneously close to the workpiece, part of the clamping blocks 4 is firstly contacted with the protruding parts of the workpiece, the clamping blocks 4 rotate around the fixed rod 13 under the continuous movement of the movable plate 2, the clamping blocks 4 corresponding to the protruding parts of the workpiece, the clamping blocks 5 are compressed, and the movable plate 2 can continue to move until most of the clamping blocks 4 are attached to the flat surfaces of the workpiece, and the clamping blocks cannot affect the strength of the workpiece, and the protruding parts or the deformation of the workpiece is affected;

referring to fig. 1, a driving assembly capable of driving two moving plates 2 to move in opposite directions is arranged in a workbench 1, the driving assembly comprises a connecting block 6 fixed in the middle of the lower surfaces of the two moving plates 2, the connecting block 6 moves to drive the moving plates 2 to move, a sliding groove 7 corresponding to the position of the connecting block 6 is formed in the upper surface of the workbench 1, a bidirectional threaded rod 8 is rotatably connected in the sliding groove 7, the bidirectional threaded rod 8 is in threaded connection with the connecting block 6, a thread force is generated between rotation of the bidirectional threaded rod 8 and the connecting block 6 to drive the two connecting blocks 6 to move close to a workpiece, and a motor 9 capable of driving the bidirectional threaded rod 8 to rotate is fixedly arranged on one side of the workbench 1;

Referring to fig. 2-3, a side of the clamping block 4 away from the return spring 5 is provided with a corrugated surface 10, and the corrugated surface 10 enables the surface of the clamping block 4 to be in irregular contact with the surface of a workpiece, so that a better clamping effect is achieved;

referring to fig. 2-3, a soft layer 11 is fixedly arranged on the outer surface of the corrugated surface 10, and the soft layer 11 is arranged to avoid abrasion of the workpiece caused by direct contact between the surface of the clamping block 4 and the workpiece;

referring to fig. 2-3, the lower end of the clamping block 4 is provided with an arc shape, and the arc shape facilitates the rotation of the clamping block 4 around the fixed rod 13;

Referring to fig. 2, the outer surface of the fixing rod 13 is provided with a sand layer 14, and the friction between the fixing rod 13 and the clamping block 4 is increased by the arrangement of the sand layer 14, so that the clamping block 4 is prevented from rotating flexibly.

The working principle and the using flow of the utility model are as follows: during the use, place the work piece at work bench 1 upper surface middle part, starter motor 9 drives bi-directional threaded rod 8 and rotates, the bi-directional threaded rod 8 rotates and produces the screw thread power between connecting block 6 and drive two connecting blocks 6 and be close to the work piece and remove, connecting block 6 removes and drives movable plate 2 and remove, and then a plurality of clamp splice 4 are close to the work piece gradually, partial clamp splice 4 at first contacts the bulge of work piece, under the continued movement of movable plate 2, clamp splice 4 that corresponds work piece bulge rotates around dead lever 13, reset spring 5 compresses, movable plate 2 can continue to remove until most clamp splice 4 and work piece smooth surface laminating centre gripping this moment, and clamp splice 4 can not extrude work piece bulge high strength, cause work piece deformation or damage, influence the product percent of pass, the setting of ripple face 10 makes clamp splice 4 surface and work piece surface irregular contact, have better centre gripping effect, the setting of flexible layer 11 avoids clamp splice 4 surface direct and work piece contact to cause work piece wearing and tearing.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a clamping frock, includes workstation (1), its characterized in that: the utility model discloses a movable plate (2) is provided with on workstation (1) upper surface both sides, and workstation (1) upper surface set up removal groove (3) that correspond with two movable plate (2) positions, recess (12) are set up to movable plate (2) upper surface, and movable plate (2) inner wall is fixed with dead lever (13), dead lever (13) surface rotation is connected with a plurality of clamp splice (4), fixedly connected with reset spring (5) between clamp splice (4) one side upper end and movable plate (2), workstation (1) inside is provided with the drive assembly that can drive two movable plate (2) opposite directions and move.

2. The clamping tool according to claim 1, wherein: the driving assembly comprises a connecting block (6) fixed at the middle of the lower surfaces of two moving plates (2), a sliding groove (7) corresponding to the position of the connecting block (6) is formed in the upper surface of the workbench (1), a bidirectional threaded rod (8) is connected to the sliding groove (7) in a rotating mode, the bidirectional threaded rod (8) is connected with the connecting block (6) in a threaded mode, and a motor (9) capable of driving the bidirectional threaded rod (8) to rotate is fixedly arranged on one side of the workbench (1).

3. The clamping tool according to claim 1, wherein: one side of the clamping block (4) far away from the return spring (5) is provided with a corrugated surface (10).

4. A clamping fixture according to claim 3, wherein: the outer surface of the corrugated surface (10) is fixedly provided with a soft layer (11).

5. The clamping tool according to claim 1, wherein: the lower end of the clamping block (4) is arc-shaped.

6. The clamping tool according to claim 1, wherein: the outer surface of the fixing rod (13) is provided with a frosted layer (14).