CN209737061U

CN209737061U - Multi-station clamp

Info

Publication number: CN209737061U
Application number: CN201822252782.4U
Authority: CN
Inventors: 郭彬; 郭欢; 何旭; 吴健宏
Original assignee: Cathay Pacific Precision Machinery Parts (wuxi) Co Ltd
Current assignee: Cathay Pacific Precision Machinery Parts (wuxi) Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2019-12-06
Anticipated expiration: 2028-12-29

Abstract

The utility model discloses a multi-station clamp, which comprises a base arranged on a machining center rotary seat; the base is provided with at least one box-type fixed block with a vertical surface for bearing a workpiece, the vertical surface of the box-type fixed block is provided with a clamping module for clamping the workpiece, the clamping module comprises a bearing seat detachably connected with the box-type fixed block and a clamping assembly arranged on the bearing seat, and the purpose that a product is processed by one mould with multiple surfaces in a numerical control processing center is achieved; the problems of short product processing period and frequent material change of the processing center are solved; the processing procedures are reduced, and the problem of low daily energy efficiency is solved; the cost of occupying a large amount of labor is reduced.

Description

Multi-station clamp

Technical Field

The utility model relates to an anchor clamps relates to a multistation anchor clamps.

Background

Machining centers have evolved from numerically controlled milling machines. The numerical control milling machine is different from a numerical control milling machine in that the machining center has the capability of automatically exchanging machining tools, and the machining tools on the main shaft can be changed through the automatic tool changing device in one-time clamping by installing tools with different purposes on the tool magazine, so that multiple machining functions are realized. The numerical control machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts. The numerical control machining center is one of numerical control machines with highest yield and most extensive application in the world at present.

Actually when using numerical control machining center, the product needs different cutter and different processes to process various hole sites, leads to the product to need change cutter and work piece holder many times at the course of working, causes the process loaded down with trivial details and increases work burden, extravagant operating time, has reduced the workshop output.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a multistation anchor clamps, this anchor clamps have utilized many face angle principles in order to realize that the product is processed by a mould many faces in the numerical control machining center.

The technical scheme is as follows: the multi-station clamp of the utility model comprises a base arranged on a rotary seat of a processing center; the base is provided with at least one vertical surface for bearing a box-type fixed block of a workpiece, the vertical surface of the box-type fixed block is provided with a clamping module for clamping the workpiece, and the clamping module comprises a bearing seat detachably connected with the box-type fixed block and a clamping assembly arranged on the bearing seat.

The clamping assembly comprises a first clamping block and a second clamping block, the first clamping block and the second clamping block are arranged at two ends of the bearing seat and are in sliding fit with the bearing seat and used for being matched with the corresponding first clamping block, and a fastening assembly used for driving and locking the second clamping block is arranged between the second clamping blocks.

The fastening assembly comprises a reversed step-shaped convex block, a fixing pin and a fixing bolt, the fixing pin is arranged on the bearing seat and penetrates through the convex block, the fixing bolt is arranged on the fixing pin, the convex block is attached to the two side walls of the clamping block, the fixing bolt is driven to extrude the convex block, and the convex block drives the clamping block to slide towards the clamping block I so as to clamp a workpiece.

By adopting the technical scheme, the workpiece is fixed on the clamping module, the clamping module is arranged on the vertical surface of the box-type fixed block, the box-type fixed block is arranged on the machining center rotating seat, the box-type fixed block is driven by the machining center to rotate, the clamping module on the box-type fixed block drives the workpiece to rotate, and the machining center machines the workpiece.

The work process of the clamping module for clamping the workpiece is as follows: the fixing bolt is rotated, and the lug and the clamping block II are in an opened state; and placing the workpiece between the first clamping block and the second clamping block, then rotating the fixing bolt in the reverse direction, pressing the convex block by the fixing bolt, driving the clamping blocks to move towards the corresponding first clamping block by the convex block, and clamping the workpiece by the second clamping block in cooperation with the first clamping block.

Has the advantages that: the product is processed by a die with multiple planes in a numerical control processing center; the problems of short product processing period and frequent material change of the processing center are solved; the processing procedures are reduced, and the problem of low daily energy efficiency is solved; the cost of occupying a large amount of labor is reduced.

Drawings

Fig. 1 is a schematic structural view of the box-type fixing block of the present invention;

Fig. 2 is a schematic structural diagram of the clamping module of the present invention;

Fig. 3 is a schematic perspective view of the clamping module of the present invention.

Detailed Description

As shown in fig. 1 to 3, a multi-station jig includes a base 1 provided on a machining center rotating base; the base 1 is provided with at least one vertical surface 21 for bearing a box-type fixed block 2 of a workpiece, and the top of the box-type fixed block 2 is provided with a lifting ring 7 for being lifted.

The vertical surface 21 of the box-type fixed block 2 is provided with a clamping module 3 for clamping a workpiece, and the clamping module 3 comprises a bearing seat 31 detachably connected with the box-type fixed block 2 and a clamping assembly 32 arranged on the bearing seat 31. The clamping assembly 32 comprises a first clamping block 321 arranged at two ends of the bearing seat 31 and a second clamping block 322 which is in sliding fit with the bearing seat 31 and is used for matching with the corresponding first clamping block 321, and a fastening assembly 323 used for driving and fastening the second clamping block is arranged between the second clamping blocks 322. The fastening assembly 323 comprises a reversed step-shaped convex block 3231, a fixing pin 3231 arranged on the bearing seat 31 and penetrating through the convex block 3231, and a fixing bolt 3233 arranged on the fixing pin 3231, wherein the convex block 3231 is attached to the side wall of the two clamping blocks 322, the fixing bolt 3233 is driven to extrude the convex block 3231, and the convex block 3231 drives the two clamping blocks 322 to slide towards the first clamping block 321 so as to clamp the workpiece.

The bottom of the bearing seat 31 is provided with a positioning column 5, the bearing seat 31 is embedded into the box-type fixing block 2 through the positioning column 5 to realize the positioning of the bearing seat 31 and the box-type fixing block 2, and then the bearing seat 31 and the box-type fixing block 2 are fixed through a pin shaft.

the workpiece is fixed on the clamping module 3, the clamping module 3 is fixed on the vertical surface 21 of the box-type fixed block 2, the lifting machine hooks the lifting ring 7 of the box-type fixed block 2 to lift the box-type fixed block 2 to the machining center rotary seat, the box-type fixed block 2 rotates under the driving of the machining center, the clamping module 3 on the box-type fixed block 2 drives the workpiece to rotate, and the machining center machines the workpiece.

The work process of the clamping module 3 for clamping the workpiece is as follows: the fixing bolt 3233 is rotated, and the lug 3231 and the second clamping block 322 are in an opened state; placing a bearing plate 6 workpiece for bearing the workpiece between the first clamping block 321 and the corresponding second clamping block 322 between the first clamping block 321 and the second clamping block 322, wherein the workpiece is respectively attached to the first clamping block 321 and the bearing plate 6; then the fixing bolt 3233 is rotated reversely, the fixing bolt 3233 presses the lug 3231 downwards, the lug 3231 drives the second clamping block 322 to move towards the corresponding first clamping block 321, and the second clamping block 322 is matched with the first clamping block 321 to clamp the workpiece.

An elastic mechanism 4 for resetting the lug 3231 is arranged between the lug 3231 and the bearing seat 31, and the elastic mechanism 4 is a spring which can lift the lug 3231 upwards when the fixing bolt 3233 is loosened, so that a worker is prevented from lifting the lug 3231.

Claims

1. A multi-station clamp comprises a base (1) arranged on a machining center rotary seat; the workpiece clamping device is characterized in that at least one vertical surface (21) is arranged on the base (1) and used for bearing a box-type fixing block (2) of a workpiece, a clamping module (3) used for clamping the workpiece is arranged on the vertical surface (21) of the box-type fixing block (2), and the clamping module (3) comprises a bearing seat (31) detachably connected with the box-type fixing block (2) and a clamping assembly (32) arranged on the bearing seat (31).

2. the multi-station clamp according to claim 1, characterized in that the clamping assembly (32) comprises a first clamping block (321) arranged at two ends of the bearing seat (31) and a second clamping block (322) which is in sliding fit with the bearing seat (31) and is used for matching with the corresponding first clamping block (321), and a fastening assembly (323) used for driving and locking the second clamping block is arranged between the second clamping blocks (322).

3. The multi-station clamp according to claim 2, characterized in that the fastening assembly (323) comprises a lug (3231) in an inverted trapezoidal shape, a fixing pin (3232) arranged on the bearing seat (31) and penetrating through the lug (3231), and a fixing bolt (3233) arranged on the fixing pin (3232), wherein the lug (3231) is attached to the side wall of the second clamping block (322), the fixing bolt (3233) is driven to press the lug (3231), and the lug (3231) drives the second clamping block (322) to slide towards the first clamping block (321) so as to clamp the workpiece.

4. A multi-station clamp according to claim 3, characterized in that an elastic mechanism (4) for resetting the lug (3231) is arranged between the lug (3231) and the carrying seat (31), and the elastic mechanism (4) is a spring.

5. The multi-station fixture as claimed in claim 1, wherein the bottom of the bearing seat (31) is provided with a positioning post (5), and the bearing seat (31) is embedded into the box-type fixing block (2) through the positioning post (5) to position the bearing seat (31) and the box-type fixing block (2).

6. A multi-station clamp according to claim 2, characterized in that a bearing plate (6) for bearing the workpiece is arranged between the first clamping block (321) and the corresponding second clamping block (322).

7. The multi-station clamp according to claim 1, characterized in that the top of the box-type fixing block (2) is provided with a lifting ring (7) for being lifted.