CN219788055U

CN219788055U - Clamping device for processing large plane

Info

Publication number: CN219788055U
Application number: CN202320537235.9U
Authority: CN
Inventors: 肖湘奇
Original assignee: Zhuzhou Bochuang Precision Manufacturing Co ltd
Current assignee: Zhuzhou Bochuang Precision Manufacturing Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-10-03
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses a clamping device for processing a large plane, which comprises a clamp frame, a first fixed stop block and a second fixed stop block which are fixed on two opposite angles on the clamp frame, and a first sliding stop block and a second sliding stop block which are arranged on two opposite angles on the clamp frame, wherein the first sliding stop block is clamped by directional movement of an eccentric bolt I along a vertical direction, and the second sliding stop block is clamped by directional movement of an eccentric bolt II along a transverse direction; the clamp is only suitable for workpieces with plate thickness of more than or equal to 5 mm.

Description

Clamping device for processing large plane

Technical Field

The utility model relates to the technical field of tool clamps, in particular to a clamping device for machining a large plane.

Background

At present, a plane for processing a large-plate-surface workpiece is generally sucked by using a permanent magnet sucker or a plane is sucked by using a vacuum sucker, and then the other plane of the workpiece is processed, and the two clamps have limitations, for example, a magnetic sucker cannot suck materials which can not be magnetized, such as a copper plate, an aluminum plate, a nonmagnetic steel plate and the like; for example, vacuum chucks are not capable of sucking up perforated, rough surfaced material such as blank plates, surface contoured plates.

The utility model discloses an electromagnetic chuck clamp with adjustable size, which relates to the technical field of mechanical manufacturing and solves the problem that a general metal plate clamp cannot adapt to metal plates with different sizes; the utility model has simple structure and lower cost, can be effectively suitable for clamping metal plates with different sizes and defects on the surfaces, but cannot absorb materials which can not be magnetized, such as copper plates, aluminum plates and nonmagnetic steel plates, and has certain limitation.

Disclosure of Invention

The utility model provides a clamping device for processing a large plane, which solves the problem that the workpiece of the permanent magnet sucker and the vacuum sucker part in the prior art cannot be clamped.

The technical scheme adopted by the utility model is as follows:

the utility model provides a clamping device for processing a large plane, which comprises a clamp frame, a first fixed stop block and a second fixed stop block which are fixed on two opposite corners of the clamp frame, and a first sliding stop block and a second sliding stop block which are arranged on two opposite corners of the clamp frame, wherein the first sliding stop block is clamped by directional movement of an eccentric bolt in the vertical direction, and the second sliding stop block is clamped by directional movement of an eccentric bolt in the transverse direction.

Further, the eccentric bolt I and the eccentric bolt II are eccentric by 0.3-0.7mm, a screw hole I and a screw hole II are arranged on the clamp frame, and the eccentric bolt I and the eccentric bolt II respectively penetrate through the screw hole I and the screw hole II.

Further, a right angle is formed between the first fixed stop block and the second fixed stop block, the first fixed stop block is parallel to the first sliding stop block, and the second fixed stop block is parallel to the second sliding stop block.

Further, an inner groove is arranged between the first sliding stop block and the second sliding stop block, and the eccentric bolt I and the eccentric bolt II pass through the inner groove.

Further, the inner tank is provided with a step.

Further, the first fixed stop block and the second fixed stop block are positioned at the middle positions of the two sides of the clamp frame; the first sliding stop block and the second sliding stop block are positioned at the middle positions of the two sides of the clamp frame.

Further, the first fixed stop block and the second fixed stop block are respectively provided with a positioning pin.

Further, the jig frame includes a jig table and a support frame.

Further, the first fixed stop block and the second fixed stop block are fastened on the clamp frame through fastening bolts.

Further, the parallelism of the fixture frame is 0.01mm.

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

according to the utility model, no matter whether the material can be magnetized or not, whether the plate surface is rough or not, whether the plate surface is perforated or not can be clamped, the first sliding stop block and the second sliding stop block are moved through the eccentric bolt to clamp the center of the clamp frame, so that a fixed workpiece is achieved; the eccentric bolt cap head is adopted to press the workpiece, and because the interaction force of the eccentric bolt cap head and the workpiece generates static friction and the static friction of the internal thread and the external thread, the eccentric bolt cannot loosen under the action of larger external force, so that the workpiece is in a fastening state at any time and is more fastened than the common bolt; the clamp is only suitable for workpieces with plate thickness of more than or equal to 5 mm.

Drawings

FIG. 1 is a schematic structural view of a clamping device for processing a large plane;

FIG. 2 is a schematic structural view of a clamping device for processing a large plane;

fig. 3 is a schematic top view of a clamping device for processing a large plane.

In the figure: 1-a clamp frame; 2-fixing a first stop block; 3-fixing a second stop block; 4-sliding block I; 5-a second sliding stop block; 6-a screw hole I; 7-a screw hole II; 8-an inner tank; 9-a clamp table; 10-supporting frames; 11-eccentric bolt I; 12-eccentric bolt II; 13-locating pins; 14-a workpiece; 15-fastening bolts.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below. In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Example 1

Referring to fig. 1 to 3, an embodiment of the present utility model provides: a clamping device for processing a large plane comprises a clamp frame 1, a first fixed stop block 2, a second fixed stop block 3, a first eccentric bolt 11 and a second eccentric bolt 12.

The fixture frame 1 is provided with screw holes I6 and screw holes II 7 which are the same as the number of the bolts, the eccentric bolts I11 and the eccentric bolts II 12 respectively penetrate through the screw holes I6 and the screw holes II 7, the screw holes I6 and the screw holes II 7 can be adjusted according to the size of the workpiece 14, and the parallelism of the fixture frame 1 is 0.01mm.

The eccentric bolts 11 and 12 are eccentric by 0.5mm, the interaction force between the cap head of the eccentric bolt and the workpiece 14 generates static friction and the static friction between the internal thread and the external thread, so that the eccentric bolts 11 and 12 cannot loosen under the action of large external force or not, the workpiece 14 is ensured to be in a fastening state at any time, and the number of the eccentric bolts 11 and 12 in the sliding stop block I4 and the sliding stop block II 5 is 2.

The first fixed stop block 2 and the second fixed stop block 3 are fixed on two opposite angles of the clamp frame 1, a right angle is formed between the first fixed stop block 2 and the second fixed stop block 3, the first fixed stop block 2 is parallel to the first sliding stop block 4, the second fixed stop block 3 is parallel to the second sliding stop block 5, and the first fixed stop block 2 and the second fixed stop block 3 are positioned in the middle positions of the two sides of the clamp frame 1; the first sliding stop block 4 and the second sliding stop block 5 are positioned at the middle positions of two sides of the clamp frame 1, and the first fixed stop block 2 and the second fixed stop block 3 are fastened on the clamp frame 1 through fastening bolts 15.

The first sliding stop block 4 and the second sliding stop block 5 are arranged on two opposite angles of the clamp frame 1, the first sliding stop block 4 moves in a directional manner along the vertical direction through the first eccentric bolt 11 and the second eccentric bolt 12 to adjust the length, the second sliding stop block 5 moves in a directional manner along the transverse direction through the first eccentric bolt 11 and the second eccentric bolt 12 to adjust the width, an inner groove 8 is arranged between the first sliding stop block 4 and the second sliding stop block 5, and the first eccentric bolt 11 and the second eccentric bolt 12 penetrate through the inner groove 8.

One diagonal angle of the workpiece 14 is abutted against the edges of the first fixed stop block 2 and the second fixed stop block 3, the first eccentric bolt 11 and the second eccentric bolt 12 are rotated by an inner hexagonal wrench to loosen the first sliding stop block 4 and the second sliding stop block 5, the first sliding stop block 4 and the second sliding stop block 5 are moved to abut against the other diagonal angle of the workpiece 14, and the first eccentric bolt 11 and the second eccentric bolt 12 are screwed, so that the workpiece 14 is clamped; on the contrary, when the loosening is needed, the first eccentric bolt 11 and the second eccentric bolt 12 are rotated in the direction, and the first sliding stop block 4 and the second sliding stop block 5 are moved to be loosened.

Example 2

The bolt 11 adopts an eccentric bolt, the eccentric force is 0.5mm, the interaction force of the eccentric bolt cap head and the workpiece 14 generates static friction and the static friction of the internal thread and the external thread, so that the first eccentric bolt 11 and the second eccentric bolt 12 cannot loosen under the action of larger external force or not, the workpiece 14 is in a fastening state at any time, and the number of the first eccentric bolt 11 and the second eccentric bolt 12 in the first sliding stop block 4 and the second sliding stop block 5 is 2.

Further, the inner groove is provided with a step for limiting the moving range of the first sliding stop block and the second sliding stop block.

Example 3

Further, the first fixed stop block and the second fixed stop block are respectively provided with a positioning pin 13 for holding.

Example 4

Further, the jig frame 1 includes a jig table 9 and a supporting frame 10.

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.

Claims

1. The clamping device for processing the large plane is characterized by comprising a clamp frame, a first fixed stop block and a second fixed stop block which are fixed on two opposite angles of the clamp frame, and a first sliding stop block and a second sliding stop block which are arranged on two opposite angles of the clamp frame, wherein the first sliding stop block is clamped by directional movement of an eccentric bolt in the vertical direction, and the second sliding stop block is clamped by directional movement of an eccentric bolt in the transverse direction.

2. The clamping device for machining the large plane according to claim 1, wherein the eccentric bolt I and the eccentric bolt II are eccentric by 0.3-0.7mm, a screw hole I and a screw hole II are formed in the clamp frame, and the eccentric bolt I and the eccentric bolt II penetrate through the screw hole I and the screw hole II respectively.

3. The clamping device for machining a large plane according to claim 1, wherein the first fixed stop and the second fixed stop are at right angles, the first fixed stop is parallel to the first sliding stop, and the second fixed stop is parallel to the second sliding stop.

4. The clamping device for machining a large plane according to claim 1, wherein an inner groove is formed between the first sliding block and the second sliding block, and the first eccentric bolt and the second eccentric bolt penetrate through the inner groove.

5. The clamping device for machining a large surface as recited in claim 4, wherein the inner groove is provided with a step.

6. The clamping device for processing the large plane according to claim 1, wherein the first fixed stop block and the second fixed stop block are positioned at the middle positions of two sides of the clamp frame; the first sliding stop block and the second sliding stop block are positioned at the middle positions of the two sides of the clamp frame.

7. The clamping device for machining a large plane according to claim 1, wherein the first fixed stop block and the second fixed stop block are respectively provided with a positioning pin.

8. The clamping device for machining a large surface according to claim 1, wherein the jig frame comprises a jig table and a supporting frame.

9. The clamping device for machining a large plane according to claim 1, wherein the first fixed stop and the second fixed stop are fastened to the clamp frame by fastening bolts.

10. The clamping device for processing a large plane according to claim 1, wherein the parallelism of the clamp frame is 0.01mm.