CN222932558U - Flat thimble anchor clamps - Google Patents

Abstract

The utility model discloses a flat ejector clamp, which relates to the technical field of clamps, including a base, on which a movable pressurizing component, a lower clamping member and an upper clamping member are arranged, the pressurizing component includes a rotating rotating arm and an inverted "V"-shaped precision pressurizing member, the precision pressurizing member rotates on the rotating arm, and the rotating arm is supported on the top of the lower clamping member and the upper clamping member that are butted against each other; the lower clamping member includes a lower shell and a lower clamping block, and the lower clamping block is fixedly connected in the lower shell; in the technical solution provided by the utility model, the upper and lower clamping blocks made of high-speed steel material are used to reduce deformation during the clamping process. The inverted "V"-shaped structure of the precision pressurizing member can be used to apply pressure evenly during rotation, avoiding damage to the workpiece caused by local overpressure, improving processing stability, avoiding displacement caused by vibration or external force, and significantly improving subsequent processing effects.

Description

Flat thimble anchor clamps

Technical Field

The utility model relates to the technical field of clamps, in particular to a flat thimble clamp.

Background

In modern manufacturing, particularly in the fields of precision machining and microelectronic assembly, extremely high demands are placed on the precise clamping and positioning of workpieces. The traditional clamp has the problems of unstable clamping, inaccurate positioning, limited application range and the like, and particularly the problems are particularly prominent when small, thin-wall or special-shaped parts are processed. For example, some existing clamp designs may not achieve uniform pressure on the workpiece in all directions, resulting in deformation or damage to the machined workpiece. In addition, the lack of flexible adjustment mechanisms also limits the versatility of the fixture between different workpiece sizes and shapes.

Disclosure of utility model

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a flat thimble clamp which is used for solving the problems in the background art.

In view of the above, the utility model provides a flat thimble clamp, comprising a base, wherein the base is provided with a movable pressurizing assembly, a lower clamping piece and an upper clamping piece, the pressurizing assembly comprises a rotating arm and an inverted 'v' -shaped accurate pressurizing piece, the accurate pressurizing piece rotates on the rotating arm, and the rotating arm is supported at the top of the lower clamping piece and the upper clamping piece which are mutually butted;

The lower clamping piece comprises a lower shell and a lower clamping block, the lower clamping block is fixedly connected in the lower shell, the upper clamping piece comprises an upper shell and an upper clamping block, the upper clamping block is fixedly connected in the upper shell, and the lower clamping block and the upper clamping block are made of high-speed steel materials.

Preferably, the pressurizing assembly further comprises a sliding rail and a sliding frame, wherein the sliding rail is fixedly connected to one side of the top of the base, and the sliding frame is matched and slides on the sliding rail.

Preferably, the rotating arm is rotatably connected to the top of the sliding frame through a rotating shaft, the top of the rotating arm is provided with a mounting groove, and the precise pressing piece is rotatably connected to the mounting groove.

Preferably, one side of the top of the base is fixedly connected with a screw, and a groove body for installing the screw is formed at the contact position of the rotating arm and the screw.

Preferably, a lock nut is fixedly arranged on the screw rod and is supported at the top of the rotating arm.

Preferably, matching sliding grooves are formed in two sides of one end of the lower shell and two sides of one end of the lower clamping block, and accurate positioning columns are connected in the matching sliding grooves in a sliding mode.

Preferably, the bottom of the lower clamping piece is fixedly connected with a positioning seat, the bottom of the positioning seat is provided with a fitting groove, the top of the base is fixedly connected with a sliding strip, and the positioning seat is matched and slidably connected on the sliding strip.

From the above technical solutions, the embodiment of the present utility model has the following advantages:

1. According to the flat thimble clamp, the upper clamping block and the lower clamping block which are made of high-speed steel materials are adopted, so that excellent hardness and wear resistance are ensured, deformation in the clamping process is reduced, and the dimensional accuracy and the surface quality of a machined workpiece are improved. The inverted V-shaped structure of the accurate pressing piece can uniformly press in rotation, so that workpiece damage caused by partial overpressure is avoided, processing stability is improved, displacement caused by vibration or external force is avoided, and subsequent processing effect is remarkably improved.

2. According to the flat thimble clamp, through the combination of the sliding rail and the sliding frame and the movable design of the rotating arm, the clamp can be quickly disassembled after being clamped, the use efficiency is improved, and high-efficiency clamping can be realized.

These features and advantages of the present utility model will be disclosed in detail in the following detailed description and the accompanying drawings.

Drawings

The utility model is further described with reference to the accompanying drawings:

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

Fig. 3 is a schematic structural view between the lower clamping member and the upper clamping member.

The reference numerals are 1, a base, 11, a sliding bar, 2, a positioning seat, 21, a fitting groove, 3, a lower clamping piece, 31, a lower shell, 32, a lower clamping block, 4, an upper clamping piece, 41, an upper shell, 42, an upper clamping block, 5, a sliding rail, 6, a sliding frame, 7, a rotating arm, 71, an installation groove, 8, a precise pressing piece, 9, a screw, 10, a locking nut and 13, and a precise positioning column.

Detailed Description

The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.

The following describes a flat ejector pin clamp according to an embodiment of the present utility model in detail with reference to the accompanying drawings.

Example 1

For easy understanding, referring to fig. 1 to 3, an embodiment of a flat ejector pin fixture provided by the present utility model includes a base 1, where a pressing assembly, a lower clamping member 3 and an upper clamping member 4 are disposed on the base 1, the pressing assembly includes a rotating arm 7 and an inverted "v" shaped precision pressing member 8, the precision pressing member 8 rotates on the rotating arm 7, and the rotating arm 7 is supported on top of the lower clamping member 3 and the upper clamping member 4 that are butted with each other;

The lower clamping piece 3 comprises a lower shell 31 and a lower clamping block 32, the lower clamping block 32 is fixedly connected in the lower shell 31, the upper clamping piece 4 comprises an upper shell 41 and an upper clamping block 42, the upper clamping block 42 is fixedly connected in the upper shell 41, and the lower clamping block 32 and the upper clamping block 42 are made of high-speed steel materials.

It should be noted that the entire pressurizing assembly, the lower clamp 3, and the upper clamp 4 are mounted and supported on top of the base 1. The lower clamping member 3 is composed of a lower housing 31 and a lower clamping block 32 embedded in the lower housing, while the upper clamping member 4 comprises an upper housing 41 and an upper clamping block 42 fixed in the upper housing, wherein the clamping blocks are made of high-speed steel materials so as to ensure good wear resistance and compression strength. The inverted V-shaped structure of the accurate pressing piece 8 can uniformly press in rotation, so that workpiece damage caused by local overpressure is avoided, and processing stability is improved.

In an alternative embodiment, the pressurizing assembly further comprises a sliding rail 5 and a sliding frame 6, the sliding rail 5 is fixedly connected to one side of the top of the base 1, and the sliding frame 6 is matched and slides on the sliding rail 5.

It should be noted that, the sliding rail 5 is fixed at one side of the top of the base 1, and the sliding frame 6 can slide smoothly on the sliding rail 5, so that the subsequent quick disassembly after the clamping is carried by the clamp is facilitated.

In an alternative embodiment, the rotating arm 7 is rotatably connected to the top of the sliding frame 6 through a rotating shaft, a mounting groove 71 is formed in the top of the rotating arm 7, and the precise pressing member 8 is rotatably connected in the mounting groove 71.

It should be noted that, the rotating arm 7 is mounted on the top of the sliding frame through the rotating shaft, and the top of the rotating arm is provided with the mounting groove 71, and the precise pressing piece 8 can freely rotate in the mounting groove 71 to form a flexible inverted V-shaped pressure point, so that precise positioning and uniform pressing on the workpiece are realized.

In an alternative embodiment, a screw 9 is fixedly connected to one side of the top of the base 1, and a groove body for installing the screw 9 is formed at a position where the rotating arm 7 contacts with the screw 9. A lock nut 10 is fixedly arranged on the screw 9, and the lock nut 10 is supported on the top of the rotating arm 7.

It should be noted that, one side fixed mounting of base has screw rod 9, cooperates with the cell body on the swinging boom 7, through adjusting lock nut 10, and the user can finely tune the position of swinging boom 7, and then adjusts the pressure of accurate pressure piece 8 to the work piece, and swinging boom 7 realizes firm pressurization through accurate pressure piece 8 and carries out the centre gripping, also ensures that the pressure is stable unchanged at the operation in-process.

In an alternative embodiment, two sides of one end of the lower housing 31 and one end of the lower clamping block 32 are provided with matching sliding grooves, and the matching sliding grooves are slidably connected with the accurate positioning columns 13. The bottom fixedly connected with positioning seat 2 of lower holder 3, the engaging groove 21 has been seted up to the bottom of positioning seat 2, the top fixedly connected with draw runner 11 of base 1, and positioning seat 2 matches sliding connection on draw runner 11.

It should be noted that, the two sides of one end of the lower housing 31 and the lower clamping block 32 are respectively provided with a matching sliding groove, and the accurate positioning column 13 is built in, so that when the workpiece is placed, the lower clamping piece 3 and the upper clamping piece 4 can be ensured to provide accurate positioning. Simultaneously, the sliding connection is formed through the slide 11 at locating seat 2 and base 1 top to lower holder 3 bottom for whole lower holder 3 can follow slide 11 slip adjustment position as required, has further promoted the flexibility and the commonality of anchor clamps.

The working principle is that firstly, a clamp is placed on a workbench to ensure the stability of a base 1. The lower clamping piece 3 is connected to the slide 11 at the top of the base in a sliding way through the positioning seat 2 at the bottom of the lower clamping piece, and is adjusted to a proper position according to actual needs. The upper clamping member 4 is located directly above the lower clamping member, and the upper clamping member and the lower clamping member together form a closed space for accommodating a workpiece to be processed, and the workpiece is placed in the space between the lower clamping member 3 and the upper clamping member 4. The sliding grooves on the side surfaces of the lower shell 31 and the lower clamping block 32 and the built-in accurate positioning column 13 are utilized to ensure that the workpiece is in an accurate position before processing, and the accuracy is ensured. The operator overturns swinging boom 7, supports the accurate pressure piece 8 on the swinging boom 7 directly over last holder 4, and the accurate pressure piece 8 at swinging boom top because its handstand "V" shape design can exert even and adjustable pressure to the work piece in rotatory in-process, and the cell body of swinging boom 7 one end is located the lateral wall of screw rod 9 this moment, then rotatory lock nut 10 fine setting and final locking are carried out to the position of swinging boom 7 for accurate pressure piece 8 can follow and exert pressure to last holder 4 surface, realizes comprehensive and accurate clamp, and the work piece keeps stable no slip, avoids machining error. After clamping, the lock nut 10 can be rotated to loosen, and when the lock nut 10 breaks away from the acting force of the rotating arm 7, the rotating arm 7 slides on the sliding rail 5 through the sliding frame 6 until the lock nut 10 breaks away from the limiting range of the rotating arm 7, so that the rotating arm 7 can be opened to further operate the lower clamping piece 3 and the upper clamping piece 4.

While the application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that the foregoing embodiments may be modified or equivalents may be substituted for some of the features thereof, and that the modifications or substitutions do not depart from the spirit and scope of the embodiments of the application.

Claims (7)

1. The flat thimble clamp is characterized by comprising a base (1), wherein the base (1) is provided with a movable pressurizing assembly, a lower clamping piece (3) and an upper clamping piece (4), the pressurizing assembly comprises a rotating arm (7) and an inverted V-shaped precise pressurizing piece (8), the precise pressurizing piece (8) rotates on the rotating arm (7), and the rotating arm (7) is supported at the tops of the lower clamping piece (3) and the upper clamping piece (4) which are in butt joint with each other;

The lower clamping piece (3) comprises a lower shell (31) and a lower clamping block (32), the lower clamping block (32) is fixedly connected in the lower shell (31), the upper clamping piece (4) comprises an upper shell (41) and an upper clamping block (42), the upper clamping block (42) is fixedly connected in the upper shell (41), and the lower clamping block (32) and the upper clamping block (42) are made of high-speed steel materials.

2. The flat thimble clamp according to claim 1, wherein the pressurizing assembly further comprises a sliding rail (5) and a sliding frame (6), the sliding rail (5) is fixedly connected to one side of the top of the base (1), and the sliding frame (6) is matched and slides on the sliding rail (5).

3. The flat thimble clamp according to claim 1, wherein the rotating arm (7) is rotatably connected to the top of the sliding frame (6) through a rotating shaft, a mounting groove (71) is formed in the top of the rotating arm (7), and the precise pressing piece (8) is rotatably connected to the mounting groove (71).

4. The flat thimble clamp according to claim 1, wherein the screw (9) is fixedly connected to one side of the top of the base (1), and a groove body for installing the screw (9) is formed at a position where the rotating arm (7) contacts with the screw (9).

5. The flat thimble clamp according to claim 4, wherein a lock nut (10) is fixedly arranged on the screw rod (9), and the lock nut (10) is supported on the top of the rotating arm (7).

6. The flat thimble clamp according to claim 1, wherein the two sides of one end of the lower housing (31) and the lower clamping block (32) are provided with matching sliding grooves, and the matching sliding grooves are slidably connected with accurate positioning columns (13).

7. The flat thimble clamp according to claim 1, wherein the bottom of the lower clamping piece (3) is fixedly connected with a positioning seat (2), a fitting groove (21) is formed in the bottom of the positioning seat (2), a sliding strip (11) is fixedly connected to the top of the base (1), and the positioning seat (2) is matched and slidingly connected to the sliding strip (11).