CN216657123U

CN216657123U - Clamp

Info

Publication number: CN216657123U
Application number: CN202220029182.5U
Authority: CN
Inventors: 陈武科; 曾超峰; 刘志峰
Original assignee: Guangdong Original Point Intelligent Technology Co Ltd
Current assignee: Guangdong Original Point Intelligent Technology Co Ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-06-03
Anticipated expiration: 2032-01-06

Abstract

The utility model relates to the technical field of machining and discloses a clamp which comprises a horizontally arranged bottom plate and a vertical plate vertically arranged on the bottom plate, wherein at least three clamping assemblies are arranged on the vertical plate and used for fixing a workpiece, and a supporting structure used for supporting the workpiece is arranged on the bottom plate. The supporting structure supports the bottom of the workpiece in a self-adaptive mode according to the irregular shape of the workpiece, and then the clamping assembly positions and clamps the workpiece. When a workpiece is machined, the cutter spindle extends along the X axis, and the cutter transversely performs machining operations such as milling, drilling and the like on the workpiece on the clamp.

Description

Clamp

Technical Field

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

Background

The numerical control machine tool is particularly suitable for processing products with small batch, more complicated part shapes and higher processing precision requirements, a five-axis numerical control machine tool is developed at present, in order to meet the chip processing with flexibility and multiple angles, a cutter spindle can extend along the horizontal direction when chips are cut, a workpiece is vertically placed, and a special clamp for clamping the workpiece for processing the equipment is also lacked in the prior art.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the utility model aims to provide a clamp which is used for clamping a workpiece required to be vertically placed.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the fixture comprises a horizontally arranged bottom plate and a vertical plate vertically arranged on the bottom plate, wherein at least three clamping assemblies are arranged on the vertical plate and used for fixing workpieces, and a supporting structure used for supporting the workpieces is arranged on the bottom plate.

Each clamping assembly comprises a lever cylinder and a first supporting seat arranged beside the lever cylinder, and the lever cylinder is used for pressing a workpiece on the first supporting seat.

The top of the first supporting seat protrudes upwards to form a positioning raised head.

The vertical plate is provided with a second supporting seat, and the top of the second supporting seat is provided with a truncated cone-shaped pointed end.

When the clamping components on the vertical plate are three, the three clamping components are distributed in a triangular shape.

The supporting structure is at least two upwards-arranged supporting cylinders.

The two sides of the bottom plate are provided with symmetrical fork assisting structures, each fork assisting structure comprises two fork plates which are symmetrically arranged front and back and a connecting rod arranged between the fork plates, and the middle part of each fork plate is provided with a through hole for the fork arm to pass through.

The terminal surface that the riser deviates from the clamping subassembly is provided with the strengthening frame, the strengthening frame is used for strengthening the connection of riser and bottom plate.

The vertical plate is provided with a weight-reducing opening.

And a weight reducing cavity is formed in the middle of the bottom plate, the weight reducing cavity is plugged by a cover plate, and the cover plate is flush with the upper surface of the bottom plate.

Has the advantages that:

compared with the prior art, the workpiece is vertically clamped on the clamp, the supporting structure supports the bottom of the workpiece in a self-adaptive manner according to the irregular shape of the workpiece, and then the clamping assembly positions and clamps the workpiece, so that the stability of the workpiece during machining is ensured. The tool spindle extends along the X axis when processing a workpiece, and the tool transversely performs processing operations such as milling, drilling and the like on the workpiece on the clamp.

Drawings

Fig. 1 is a perspective view of a jig provided by the present invention.

Fig. 2 is a partially enlarged view of the region L in fig. 1.

Fig. 3 is a perspective view of the jig provided by the present invention mounted on a numerical control machine tool.

Description of the main element symbols: 1-bottom plate, 11-cover plate, 2-vertical plate, 21-weight reducing port, 3-clamping component, 31-lever cylinder, 32-first supporting seat, 321-positioning raised head, 4-supporting structure, 41-supporting cylinder, 5-fork-assisting structure, 51-fork plate, 52-connecting rod, 53-through port, 6-reinforcing frame, 71-second supporting seat and 72-pointed end.

Detailed Description

The present invention provides a jig, and the purpose, technical solution and effect of the present invention will be more clearly and clearly described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the scope of the utility model.

Referring to fig. 1-2, the present invention provides a clamp, including a bottom plate 1 horizontally disposed, and a vertical plate 2 vertically disposed on the bottom plate 1, wherein the vertical plate 2 is provided with at least three clamping assemblies 3, the clamping assemblies 3 are used for fixing a workpiece, and the bottom plate 1 is provided with a supporting structure 4 for supporting the workpiece.

In practical application, the fixture works in cooperation with a numerical control machine tool, as shown in fig. 3, the numerical control machine tool comprises a machine tool body 81, a tool spindle 82, an X-axis sliding table 83, a Y-axis sliding table 84 and a Z-axis sliding table 85; the X-axis sliding table is provided with a C-axis rotating table 86, and the clamp is installed on the C-axis rotating table 86. The workpiece is firstly lifted to the upper side of the supporting structure 4, the supporting structure 4 supports the bottom of the workpiece in a self-adaptive mode according to the irregular shape of the workpiece, and then the clamping assembly 3 positions and clamps the workpiece, so that the stability of the workpiece during machining is guaranteed. The tool spindle extends along the X axis when processing a workpiece, and the tool transversely performs processing operations such as milling, drilling and the like on the workpiece on the clamp.

Specifically, each clamping assembly 3 comprises a lever cylinder 31 and a first supporting seat 32 arranged beside the lever cylinder, a pressure head 311 is arranged on the output end of the lever cylinder 31, and the pressure head is far away from the first supporting seat 32 in an initial state; when the workpiece is mounted on the first support base 32, the lever cylinder 31 drives the ram to approach the first support base 32, so that the ram 311 presses the workpiece against the first support base 32.

Further, the top of the first support base 32 protrudes upward to form a positioning projection 321. It will be appreciated that the fixture may be used to clamp a single large workpiece, the workpiece having a locating recess matching the locating projection 321, and the numerically controlled machine tool machining the large workpiece after the workpiece is matched with the first support base 32. Of course, the clamp can be used for clamping a workpiece module with a plurality of small workpieces, and the workpiece module comprises a clamping panel and a plurality of small workpieces arranged on the clamping panel; and a positioning notch matched with the positioning raised head is arranged on the clamping panel, and the numerical control machine tool is used for processing small-sized workpieces on the workpiece module in batches.

Preferably, a second supporting seat 71 is arranged on the vertical plate 2, and a truncated cone-shaped pointed end 72 is arranged at the top of the second supporting seat. Through setting up the second bearing, appurtenance can be better fixes a position, improves the processing stability.

When the clamping components on the vertical plate are three, the three clamping components are distributed in a triangular shape. Through setting up like this, three clamping subassembly constitute stable power triangle, and the work piece is held to the centre gripping more reliably, reduces the work piece and takes place the vibration in the course of working.

Preferably, the support structure 4 is at least two upwardly disposed support cylinders 41. The supporting cylinder utilizes the hydraulic floating support to provide a self-adaptive supporting force for the workpiece, the workpiece is locked at the position after being automatically adapted to the outline of the workpiece, the supporting cylinder provides an auxiliary positioning point which does not need to be fixed for the clamp, the thick portion or the thin portion of the workpiece can be supported, and deformation of the workpiece after being stressed in the machining process is reduced. The supporting cylinder upwards withstands the work piece, and compact structural design can produce efficient holding power, avoids adding the emergence vibration man-hour to the machining precision who provides the work piece.

In order to be more convenient for carry anchor clamps to the digit control machine tool on, anchor clamps carry through the manipulator, the both sides of bottom plate are equipped with the fork structure 5 of helping of symmetry, and every helps fork structure 5 to include fork board 51 and the connecting rod 52 of setting between the fork board that two front and back symmetries set up, and the opening 53 that supplies the yoke to pass is seted up at the middle part of every fork board. Install the arm lock on the output end of manipulator, the arm lock passes in the opening, can carry anchor clamps in a flexible way.

Specifically, the terminal surface that riser 2 deviates from the clamping subassembly is provided with reinforcing frame 6, reinforcing frame 6 is used for strengthening the connection of riser and bottom plate. In this embodiment, the reinforcing frame includes a top plate and two side plates.

Preferably, the vertical plate 2 is provided with a lightening hole 53, and the lightening hole 53 is positioned between all the clamping components and the second supporting seat. On the one hand, the weight of the vertical plate can be reduced, the cost of the clamp is reduced, on the other hand, the avoiding effect can be achieved, and the vertical plate is prevented from blocking the workpiece clamping.

In order to reduce the weight of the base plate, a weight reduction cavity is opened in the middle of the base plate 1, the weight reduction cavity is sealed by a cover plate 11, and the cover plate 11 is flush with the upper surface of the base plate 1.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It should be understood that the technical solutions and the inventive concepts according to the present invention may be equally replaced or changed by those skilled in the art, and all such changes or substitutions should fall within the protection scope of the present invention.

Claims

1. The utility model provides an anchor clamps installs on five digit control machine tools, its characterized in that, bottom plate, the vertical riser of setting on the bottom plate that sets up including the level, be equipped with three clamping subassembly on the riser at least, the clamping subassembly is used for fixing the work piece, be provided with the bearing structure who is used for supporting the work piece on the bottom plate.

2. The clamp of claim 1, wherein each clamping assembly includes a lever cylinder for compressing the workpiece against the first support block and a first support block disposed alongside the lever cylinder.

3. The clamp of claim 2, wherein the top of the first support base projects upwardly to form a locating tab.

4. The clamp of claim 2, wherein the riser has a secondary seat thereon, the secondary seat having a truncated cone-shaped tip at a top thereof.

5. The clip of claim 1, wherein when there are three gripping elements on the riser, the three gripping elements are triangularly positioned.

6. A clamp according to claim 1, wherein said support structure is at least two upwardly disposed support cylinders.

7. The clamp according to claim 1, wherein the two sides of the bottom plate are provided with symmetrical fork-supporting structures, each fork-supporting structure comprises two fork plates which are symmetrically arranged in front and back, and a connecting rod arranged between the fork plates, and a through hole for the fork arm to pass through is formed in the middle of each fork plate.

8. The clamp of claim 1, wherein the end face of the riser facing away from the clamping assembly is provided with a reinforcement for reinforcing the connection of the riser and the base plate.

9. The clip of claim 1, wherein the riser has weight-reducing openings formed therein.

10. The clamp of claim 1, wherein the bottom plate has a weight-reducing cavity formed in a middle portion thereof, the weight-reducing cavity being closed by a cover plate, and the cover plate being flush with an upper surface of the bottom plate.