CN204262393U - A kind of brush cover pulling claw hold down gag - Google Patents

Abstract

The utility model discloses a claw pressing device for a brush end cover, which belongs to the field of mechanical processing fixtures, and includes a base, a cavity is formed above the base through a casing, and a fixed plate is arranged above the cavity; the base The center is movable with a pull rod, and the pull rod is connected with a tie rod through a connecting bolt in the above cavity; both ends of the connecting rod protrude from the shell and the outer end is hinged with a movable arm; the middle of the movable arm is provided with a waist-shaped The holes are fixed on both sides of the fixed plate by pins, and the front end of the boom is provided with a pressure head. The purpose of this utility model is to provide a claw clamping device for the brush end cover to solve the problem of low clamping efficiency of the fixture in turning processing, and the unevenness and warping of the workpiece due to improper clamping, resulting in unqualified product size. Problem: Ensure the correct clamping of the workpiece, improve the clamping efficiency and processing pass rate.

Description

A claw pressing device for a brush end cover

technical field

The utility model relates to a machining fixture, in particular to a claw pressing device for an electric brush end cover.

Background technique

In the machining industry, turning is a commonly used machining method. Fixtures are used when the workpiece needs to be fixed during machining operations. The traditional clamping scheme is to use a three-jaw fixture for clamping; the body is installed on the rotating spindle of the lathe, and the T-shaped block is used to adjust the telescopic position of the fixture claw, so that the positioning surface of the workpiece to be processed is in close contact with the positioning surface of the three fixture claws. clamping, and the workpiece lugs must be clear of the clamp jaws. In this clamping method, since the clamp claws have no directional reference, the operator must visually avoid the clamp to interfere with the clamped workpiece, and the clamping efficiency is low; and the directions of the clamped workpieces are different, which may easily cause improper clamping and cause The workpiece is unevenly loaded and warped, resulting in unstable processing and unqualified product size.

At the same time, since the gripper claws exert force along the radial direction of the main shaft, if a hollow cavity part is clamped, it is easy to cause deformation of the cavity, resulting in failure of the part processing.

Utility model content

The purpose of this utility model is to provide a claw clamping device for the brush end cover to solve the problem of low clamping efficiency of the fixture in turning processing, and the unevenness and warping of the workpiece due to improper clamping, resulting in unqualified product size. Problem: Ensure the correct clamping of the workpiece, improve the clamping efficiency and processing pass rate.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a claw pressing device for the brush end cover, which includes a base (1), and a cavity is formed above the base (1) through the casing (8), so A fixed plate (6) is arranged above the cavity; a pull rod (2) is movable in the center of the base (1), and the pull rod (2) is connected with a tie rod ( 3); both ends of the connecting rod (3) protrude from the shell (8) and the outer end is hinged with the boom (4); the middle of the boom (4) is provided with a waist-shaped hole (402), which passes through the pin (5) fixed on both sides of the fixed plate (6), and the front end of the boom (4) is provided with a pressure head (401).

Further, the connected bolts (201) are covered with connecting sleeves (202).

Further, a support base (7) is provided above the end surface of the fixed disk (6).

Further, an anti-error block (9) is provided on the upper side of the end surface of the fixed disk (6).

Beneficial effects of the utility model: 1. According to the structure of the workpiece, two positioning pins are used to center and direction, and the three support points are positioning surfaces. It is completely flattened, which improves the clamping efficiency.

2. Ensure the correct clamping and positioning of the workpiece, and improve the processing qualification rate.

3. Effectively prevent the side of the brush end cover with a cavity-shaped structure from being pinched and deformed, and avoid damage to parts during processing.

Description of drawings

Figure 1 is a schematic diagram of the structure of the brush end cover to be processed.

Fig. 2 is a three-dimensional schematic diagram of the processing state of the utility model.

Fig. 3 is a schematic diagram of the main section of the utility model.

The text marked in the figure is expressed as: 1. Base; 2. Pull rod; 201. Connecting bolt; 202. Connecting sleeve; 3. Pulling rod; , pin; 6, fixed plate; 7, support seat; 8, shell; 9, error-proof block; 10, end cover; 1001, outer wall;

Detailed ways

In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model will be described in detail below in conjunction with the accompanying drawings. The description of this part is only exemplary and explanatory, and should not have any influence on the protection scope of the utility model. restrictive effect.

As shown in Figure 2-3, the specific structure of the utility model is: it includes a base 1, a cavity is formed above the base 1 through a casing 8, and a fixed plate 6 is arranged above the cavity; the center of the base 1 is movable A tie rod 2 is provided, and the tie rod 2 is connected with a tie rod 3 through a connecting bolt 201 in the cavity; the two ends of the connecting rod 3 protrude from the shell 8 and the outer end is hinged with a boom 4; 4 is provided with a waist-shaped hole 402, which is fixed on both sides of the fixed plate 6 by the pin 5, and the front end of the boom 4 is provided with a pressure head 401.

Preferably, the connected bolt 201 is covered with a connecting sleeve 202 .

Preferably, a support seat 7 is provided above the end surface of the fixed disk 6 .

Preferably, an anti-error block 9 is provided on the side above the end surface of the fixed disk 6 .

During specific work, the utility model base 1 and the pull rod 2 are fixed on the machine tool, then the end cover 10 is placed on the device body, and the error-proof block 9 avoids the error-proofing of the clamping direction; the starting machine drives the pull rod 2 to move backward, and the The arm 4 drives the pressure head 401 to press the side ears 1002 on both sides of the end cover 10, and the support seat 7 on the fixed disk 6 restricts the radial movement of the end cover, that is, the clamping is completed.

When clamping and dismounting the end cover 10, it is only necessary to start the push rod mechanism of the machine tool, without complicated disassembly and assembly, the operation is simple, the clamping time is saved, and the clamping efficiency is improved; the correct clamping and positioning of the workpiece is ensured , Improve the processing pass rate.

It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or apparatus.

In this paper, specific examples are used to illustrate the principle and implementation of the present invention. The description of the above examples is only used to help understand the method and core idea of the present invention. The above is only a preferred embodiment of the utility model, it should be pointed out that due to the limitation of literal expression, objectively there are infinite specific structures, for those of ordinary skill in the art, without departing from the principle of the utility model Under the premise of the invention, some improvements, modifications or changes can also be made, and the above technical features can also be combined in an appropriate way; these improvements, modifications, or combinations, or the ideas and technical solutions of the utility model can be directly applied without improvement In other occasions, all should be regarded as the protection scope of the present utility model.

Claims (4)

1. a brush cover pulling claw hold down gag, it comprises base (1), it is characterized in that, described base (1) top forms cavity by shell (8), is provided with fixed disk (6) above described cavity; Described base (1) central movable is provided with pull bar (2), and described pull bar (2) is connected with by connecting bolt (201) and sockets bar (3) in above-mentioned cavity; Shell (8) is stretched out at described connecting rod (3) two ends and outboard end is hinged with swing arm (4); Be provided with mounting hole (402) in the middle of described swing arm (4), it is fixed on the dual-side of fixed disk (6) by pin (5), and described swing arm (4) front end is provided with pressure head (401).

2. a kind of brush cover pulling claw hold down gag according to claim 1, is characterized in that, the upper cover of institute's connecting bolt (201) has adapter sleeve (202).

3. a kind of brush cover pulling claw hold down gag according to claim 1, is characterized in that, be provided with supporting seat (7) above described fixed disk (6) end face.

4. a kind of brush cover pulling claw hold down gag according to claim 1, is characterized in that, be provided with mistake proofing block (9) at the upper side of described fixed disk (6) end face.