CN204339382U - A kind of locking device of frock clamp - Google Patents

Abstract

The utility model relates to a locking device of a tooling fixture, which comprises a fixture base, a pressing block and a locking platform. The upper end surface of the locking platform is a square structure, and four identical The locking groove, the center position of which is fixedly equipped with a fixture base, a through hole is opened at the center position of the fixture base, and a ball telescopic rod is vertically pierced through the through hole, and the ball telescopic rod is The upper end is connected with the fixing seat, and the four side walls of the fixing seat are all provided with U-shaped notches of equal size and opening upwards, and the front end of the U-shaped notch is embedded in the arrangement and is opposite to the locking groove. The briquetting blocks are symmetrically arranged on both side walls of the middle part of each briquetting piece, and one end of the connecting piece is rotatably connected with the briquetting block, and the other end is fixedly connected with the fixture base. The utility model has a simple structure, and the telescopic cylinder drives the pressing block to lock and adjust a plurality of slightly uneven workpieces, which is convenient to operate and has high precision.

Description

A locking device for a fixture

technical field

The utility model relates to the field of clamps, in particular to a locking device for a tooling clamp.

Background technique

Fixtures are mainly used to clamp workpieces to facilitate processing, so they are widely used in industrial production, processing and manufacturing. For example, the Chinese patent announcement number is: CN103386622A, and the announcement date is: The invention patent on November 13, 2013 discloses a multi-purpose tooling fixture, including a fixed pin, an upper pressing block, a lifting groove, a V-shaped block, a side pressing plate, and a movable pin. There are lifting grooves on both sides of the V-shaped block, the upper pressing block is located in the lifting groove and fixed with fixed pins, the side pressing plate is located on the side of the upper pressing block and connected with movable pins, and the upper pressing block is horizontal Place, described fixed pin and movable pin are all steel pins. But this fixture device can not clamp a plurality of workpieces at the same time, and the clamping force of clamping is not very strong either.

Contents of the invention

The technical problem to be solved by the utility model is to provide a locking device for tooling fixtures, which has a simple structure, and can lock and adjust a plurality of slightly uneven workpieces through the telescopic cylinder to drive the pressing block. The operation is convenient and the accuracy is high. .

The technical scheme adopted by the utility model to solve the technical problem is: provide a locking device for a tooling fixture, including a fixture base, a pressing block and a locking platform, the upper end surface of the locking platform is a square structure, and it is close to Four identical locking grooves are respectively arranged at the midpoints of the four sides, and a clamp base is fixedly installed at the center position, and a through hole is opened at the center position of the clamp base, and a ball head is vertically pierced through the through hole. The telescopic rod, the upper end of the ball-tipped telescopic rod is connected to the fixed seat, and the four side walls of the fixed seat are provided with U-shaped notches of equal size and opening upwards, and the U-shaped notch is embedded with a The front end protrudes outwards and is opposite to the locking groove. There are connecting pieces symmetrically arranged on the two side walls of the middle part of each pressing piece. One end of the connecting piece is connected to the pressing piece in rotation, and the other end is fixedly connected to the clamp base. .

As a supplement to the locking device described in the present invention, a positioning hole I is arranged at the center of the locking groove, and a positioning hole II is symmetrically arranged on both sides of the positioning hole I, and the The workpiece is placed in the locking groove, and the workpiece is positioned through the positioning hole I and the positioning hole II, and then the telescopic cylinder drives the pressing block to press down until it touches the surface of the workpiece and presses it down.

As another supplement to the locking device described in the present invention, the side wall of the clamp base is "convex" type, and the upper end of the middle part is connected with a pressure block, and its two sides are vertically close to the pressure block. One end of the connecting piece is connected.

As a supplement to the locking device of the present invention, the other end of the ball head telescopic rod is connected with the telescopic cylinder to provide power for the compression of the briquetting block.

Beneficial effect

The utility model relates to a locking device of a tooling fixture, which has a simple structure. Four pressing blocks are driven by a telescopic cylinder to respectively perform compression operations on four slightly uneven workpieces positioned in corresponding locking grooves. Due to the telescopic cylinder The role of the clamping force is enhanced, the operation is convenient, and the accuracy is high; in addition, the device can perform clamping operations on four workpieces at the same time, compared with the original one workpiece requiring one or more locking devices , the locking device greatly saves the operation time and saves the cost at the same time.

Description of drawings

Fig. 1 is the three-dimensional structural diagram of the utility model;

Fig. 2 is a partially enlarged view of the utility model.

Detailed ways

Below in conjunction with specific embodiment, further set forth the utility model. It should be understood that these embodiments are only used to illustrate the present utility model and are not intended to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of the application.

As shown in Figure 1-2, the embodiment of the present utility model relates to a locking device for a fixture, including a fixture base 1, a pressure block 2 and a locking platform 6, and the upper end surface of the locking platform 6 is square structure, four identical locking grooves 7 are respectively arranged near the midpoints of the four sides, and the clamp base 1 is fixedly installed at the center position, and a through hole 51 is opened at the center position of the clamp base 1. The hole 51 is vertically pierced with a ball telescopic rod 5, and the upper end of the ball telescopic rod 5 is connected to the fixed seat 3, and the four side walls of the fixed seat 3 are provided with equal-sized and upward U U-shaped notch 31, the U-shaped notch 31 is embedded with a pressing block 2 that protrudes from the front end and is opposite to the locking groove 7, and the two side walls of the middle part of each pressing block 2 are symmetrically arranged with connecting pieces 4, so One end of the above-mentioned connecting piece 4 is rotatably connected with the pressure block 2, and the other end is fixedly connected with the fixture base 1.

A positioning hole I71 is arranged at the center of the locking groove 7, and a positioning hole II72 is symmetrically arranged on both sides of the positioning hole I71.

The side wall of the clamp base 1 is "convex" type, the upper end of the middle part is connected with a pressure block 2, and its two sides are connected with one end of the connecting piece 4 vertically close to the pressure block 2.

The other end of the ball joint telescopic rod 5 is connected with the telescopic cylinder.

Example

First place four workpieces to be locked in the four locking grooves 7 on the locking table 6, and use the positioning holes Ⅰ71 and Ⅱ72 in the locking groove 7 to position the corresponding workpieces, and then start the telescopic cylinder , the fixed seat 3 is driven upward by the ball telescopic rod 5, at this time, the briquetting block 2 connected with the connecting piece 4 starts to rotate downward, and the four briquetting blocks 2 rotate at the same time until they are in contact with the upper surface of the workpiece. And press the workpiece tightly, because the locking force of the telescopic cylinder is relatively large, so it can have a good effect on locking the workpiece.

After the workpiece is locked, the telescopic cylinder drives the ball head telescopic rod 5 to move downward. At this time, the pressure block 2 connected with the connecting piece 4 starts to rotate upward, and the four pressure blocks 2 rotate at the same time until they are separated from the workpiece. upper surface, the workpiece can be removed.

Claims (4)

1. the locking device of a frock clamp, comprise clamp base (1), briquetting (2) and locking platform (6), it is characterized in that: the upper surface of described locking platform (6) is square structure, its midpoint near four limits is furnished with four identical locking slots (7) respectively, its center position is installed with clamp base (1), the middle position place of described clamp base (1) has through hole (51), bulb expansion link (5) is vertically installed with in this through hole (51), the upper end of described bulb expansion link (5) is connected with holder (3), four sidewalls of described holder (3) such as all to have at the large and U-shaped breach (31) of opening upwards, described U-shaped breach (31) is embedded in and is furnished with protruding and relative with locking slot (7) briquetting (2) in front end, the two side, middle part of every block briquetting (2) has been arranged symmetrically with brace (4), one end and the briquetting (2) of described brace (4) are rotatedly connected, the other end is fixedly connected with clamp base (1).

2. the locking device of a kind of frock clamp according to claim 1, it is characterized in that: the center of described locking slot (7) is furnished with locating hole I (71), the bilateral symmetry of described locating hole I (71) is furnished with locating hole II (72).

3. the locking device of a kind of frock clamp according to claim 1, it is characterized in that: the sidewall of described clamp base (1) is in " convex " type, upper end in the middle part of it is connected with briquetting (2), and its both sides are connected with the one end of the brace (4) being vertically close to briquetting (2).

4. according to the locking device of a kind of frock clamp in claim 1-3 described in any one, it is characterized in that: the other end of described bulb expansion link (5) is connected with telescopic cylinder.