CN211249219U

CN211249219U - Small machined part clamping tool

Info

Publication number: CN211249219U
Application number: CN201922296607.XU
Authority: CN
Inventors: 李翔; 李永云
Original assignee: Nantong Chenghong Precision Machinery Co ltd
Current assignee: Nantong Chenghong Precision Machinery Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-14
Anticipated expiration: 2029-12-19

Abstract

The utility model provides a small workpiece clamping tool for machining, including frock body and bolt assembly, set up the through-hole that runs through from left to right on the frock body, set up the gap that extends about on the frock body of through-hole top, the gap is link up with the through-hole, the upper end of frock body is equipped with the profile modeling chamber of imitating the shape with the work piece, the profile modeling chamber is crossed to the gap, still be equipped with the bolt via hole on the frock body, the bolt via hole runs through the frock body from the front to back from the below of profile modeling chamber, bolt assembly includes bolt and nut, the bolt passes bolt via hole after with the nut spiro union; the lower part of the workpiece to be processed sinks in the profiling cavity and is clamped in the profiling cavity through the locking force of the bolt and the nut. The utility model discloses use miniature aluminium frock self-control, it is with low costs, make convenience, light in weight, it is little to occupy the lathe workstation area, can put a plurality ofly on a CNC lathe the utility model provides a centre gripping frock realizes a plurality of work pieces of a tractor processing.

Description

Small machined part clamping tool

Technical Field

The utility model relates to a CNC machining technical field, concretely relates to small workpiece clamping tool of machining.

Background

Profiling anchor clamps will be used to a lot of products of machining, and what used at present is the inseparable vice centre gripping, will accurate vice loads onto supporting soft jaw, and the location processing of work piece is realized with product complex profiling anchor clamps in processing, has following problem: 1. the vice is heavy, and time and labor are wasted when the vice is disassembled and carried back and forth; 2. the vice is large in volume, occupies a large area of a machine tool workbench, is limited in placement quantity, and cannot machine a plurality of products; 3. under the condition of more clamping products, the number of required vices is large, and the purchase cost is high; 4. when the vice wrench is used for clamping, the clamping force is not easy to control, and small workpieces are easy to clamp and deform.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the small quantity that vice can be put to a machine, can't realize a tractor serves several jobs, lead to needing frequent clamping, inefficiency, and the work piece easily presss from both sides technical problem such as deformation, provides a small workpiece clamping frock of machining.

In order to solve the technical problem, an embodiment of the utility model provides a small machined part clamping tool, which is characterized by comprising a tool body and a bolt assembly, wherein the tool body is provided with a through hole penetrating from left to right, the tool body above the through hole is provided with a gap extending from left to right, the gap is communicated with the through hole, the upper end of the tool body is provided with a profiling cavity simulating a workpiece, the gap traverses the profiling cavity, the tool body is further provided with a bolt via hole, the bolt via hole penetrates through the tool body from front to back from the lower part of the profiling cavity, the bolt assembly comprises a bolt and a nut, and the bolt is in threaded connection with the nut after penetrating through the bolt via hole;

the lower part of the workpiece to be processed sinks in the profiling cavity and is clamped in the profiling cavity through the locking force of the bolt and the nut.

Preferably, the aperture of the through hole is 25 mm. The width of the gap is 1 mm.

Wherein, the frock body is formed by aluminium pig machine tooling.

Further, the tool body is an aluminum cube, and the length, width and height of the aluminum cube are 60mm, 60mm and 60 mm.

The tool body is provided with a plurality of profiling cavities arranged in a straight line, and the gap penetrates through all the profiling cavities.

Preferably, the profiling cavity is a waist-shaped cavity.

Wherein, a plurality of the frock body is put on the workstation of same lathe.

One inner side surface of the profiling cavity is a multi-step surface, and a plurality of clamping widths with different sizes are formed between the multi-step surface and the other inner side surface.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows: the utility model discloses use miniature aluminium frock self-control, it is with low costs, make convenience, light in weight, it is little to occupy the lathe workstation area, can put a plurality ofly on a CNC lathe the utility model provides a centre gripping frock realizes a plurality of work pieces of a tractor processing. The clamping force is moderate by screwing the M8 screw, and the workpiece is not easy to clamp and deform.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural view of the tool body of the present invention;

FIG. 3 is a cross-sectional view of a tool body according to one embodiment;

FIG. 4 is a cross-sectional view of a workpiece to be machined clamped within a profiling cavity;

fig. 5 is a schematic structural view of a tool body according to a second embodiment of the present invention;

fig. 6 is an enlarged view of a cross-sectional view of a tool body according to a third embodiment of the present invention.

Description of reference numerals:

1. a tool body; 11. a through hole; 12. a gap; 13. a profiling cavity; 14. passing a hole through a bolt; 2. a bolt assembly; 21. a bolt; 22. a nut; 3. and (5) processing the workpiece.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1-4, the embodiment of the utility model provides a small workpiece clamping tool for machining, including tool body 1 and bolt assembly 2, set up the through-hole 11 that runs through from a left side to the right on tool body 1, set up the gap 12 of extending about offering on tool body 1 of through-hole 11 top, gap 12 link up with through-hole 11, tool body 1's upper end is equipped with the profile modeling chamber 13 of imitating shape with the work piece, gap 12 traverses profile modeling chamber 13, and is preferred, profile modeling chamber 13 is waist shape chamber.

Still be equipped with bolt via hole 14 on the frock body 1, bolt via hole 14 runs through frock body 1 from the below in profile modeling chamber 13 from the past backward, bolt assembly 2 includes bolt 21 and nut 22, bolt 21 passes behind the bolt via hole 14 and the nut 22 spiro union. The bolt 21 is preferably an M8 bolt.

The lower portion of the workpiece 3 to be machined is sunk into the profiling cavity 13 and is held in the profiling cavity 13 by the locking force of the bolt 21 and the nut 22.

In this embodiment, the aperture of the through hole 11 is 25 mm. The width of the gap 12 is 1 mm.

The tool body 1 is machined from an aluminum block. Preferably, the tool body 1 is an aluminum cube, and the length, width and height of the aluminum cube are 60mm, 60mm and 60 mm.

The utility model discloses a theory of operation does:

the utility model discloses a frock body size ratio is smaller, can put simultaneously on the workstation of same CNC lathe by a plurality of frock bodies, realizes the requirement of a plurality of work pieces processing of a tractor serves as reasons.

Example 2

As shown in fig. 5, the structure of the present embodiment is substantially the same as that of embodiment 1, except that: the tool body is provided with a plurality of profiling cavities arranged in a straight line, the gap traverses all the profiling cavities, and a bolt through hole is arranged below each profiling cavity.

Example 3

As shown in fig. 6, the structure of the present embodiment is substantially the same as that of embodiment 1, except that: one inner side surface of the profiling cavity is a multi-step surface, a plurality of clamping widths (d 1, d2 and d 3) with different sizes are formed between the multi-step surface and the other inner side surface, and clamping of workpieces with different widths can be realized.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A small machined part clamping tool is characterized by comprising a tool body and a bolt assembly, wherein a through hole penetrating from left to right is formed in the tool body, a gap extending from left to right is formed in the tool body above the through hole, the gap is communicated with the through hole, a profiling cavity similar to a workpiece is arranged at the upper end of the tool body, the gap penetrates through the profiling cavity, a bolt through hole is further formed in the tool body, the bolt through hole penetrates through the tool body from front to back from the lower part of the profiling cavity, the bolt assembly comprises a bolt and a nut, and the bolt is in threaded connection with the nut after penetrating through the bolt through hole;

2. The small machined part clamping tool according to claim 1, wherein the aperture of the through hole is 25 mm.

3. The small machined part clamping tool according to claim 1, wherein the width of the gap is 1 mm.

4. The small machined part clamping tool according to claim 1, wherein the tool body is machined from an aluminum block.

5. A small machined part clamping tool according to claim 1 or 4, wherein the tool body is an aluminum cube with a length, width and height of 60mm, 60mm and 60 mm.

6. The small machined part clamping tool according to claim 1, wherein a plurality of profiling cavities are arranged in a row on the tool body, and the gap traverses all the profiling cavities.

7. The small machined part clamping tool according to claim 1 or 6, wherein the profiling cavity is a waist-shaped cavity.

8. The small workpiece machining clamping tool according to claim 1, wherein a plurality of tool bodies are placed on a workbench of the same machine tool.

9. The small machined part clamping tool according to claim 1 or 6, wherein one inner side face of the profiling cavity is a multi-step face, and a plurality of clamping widths with different sizes are formed between the multi-step face and the other inner side face.