CN216264782U

CN216264782U - Stable form anchor clamps for precision machining

Info

Publication number: CN216264782U
Application number: CN202123101861.3U
Authority: CN
Inventors: 龙晓艳
Original assignee: Suzhou Baijiaming Machinery Co ltd
Current assignee: Suzhou Baijiaming Machinery Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-04-12
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a stable type clamp for precision machining, which comprises a bottom plate, wherein a workbench is arranged in the middle of the top of the bottom plate, side plates are arranged on two sides of the top of the bottom plate, an air cylinder is installed on one side corresponding to each side of each side plate, a push plate is fixedly connected to the output end of the air cylinder, a U-shaped frame is fixed in the middle of the outer side of the push plate, a rotary disc is rotatably connected to the inside of the U-shaped frame through a rotating shaft, a plurality of clamping blocks with different specifications are fixed on the outer edge of the rotary disc in a surrounding mode through connecting pieces, a first motor is installed on one side of the outer portion of the U-shaped frame, sleeves are hinged to the upper end and the lower end of the U-shaped frame, an auxiliary rod is connected to the outer end of each sleeve in a sliding mode, and one end, located outside each sleeve, of each auxiliary rod is hinged to a supporting block through a pin shaft. This stable form anchor clamps for precision machining can carry out auxiliary stay to a plurality of positions of anomalous work piece, improves the stability when the centre gripping is fixed, guarantees the precision of processing.

Description

Stable form anchor clamps for precision machining

Technical Field

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

Background

Precision machining is a process of changing the physical dimensions or properties of a workpiece by a machining machine. The processing at normal temperature without causing chemical or phase change of the workpiece is generally called cold processing, and the processing at a temperature higher or lower than normal temperature causes chemical or phase change of the workpiece is generally called hot processing. The cold working can be divided into cutting working and pressure working according to the difference of the working modes, and the hot working is common to heat treatment, forging, casting and welding.

At present, precision machinery generally needs to fix a workpiece on a workbench by means of a clamp in a machining process, the existing clamp for precision machining cannot stably clamp an irregular workpiece, and the workpiece is easy to displace when the clamp is fixed and is not attached to the workpiece, so that the stability of the clamp in the fixing process is low, and certain influence is caused on the machining precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stable clamp for precision machining, which solves the problems that the conventional clamp for precision machining cannot firmly clamp an irregular workpiece and easily causes the workpiece to displace when the clamp is fixed and not attached to the workpiece.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a stable form anchor clamps for precision machining, includes the bottom plate, the centre at bottom plate top is equipped with the workstation, the both sides at bottom plate top are equipped with the curb plate, the cylinder is installed to the corresponding one side of curb plate, the output fixedly connected with push pedal of cylinder, the centre in the push pedal outside is fixed with U type frame, the inside of U type frame is rotated through the pivot and is connected with the carousel, the outer grip block that encircles through the connecting piece and be fixed with the different specifications of a plurality of is followed to the carousel, just first motor is installed to the outside one side of U type frame, the output of first motor passes U type frame and is connected with the one end of pivot, and the upper and lower both ends of U type frame all articulate there is the sleeve, telescopic outer end sliding connection has the auxiliary rod, the one end that the auxiliary rod is located telescopic outside articulates through the round pin axle has the supporting shoe.

Preferably, a spring is arranged in the sleeve, and two ends of the spring are respectively connected with the bottom wall of the sleeve and one end of the auxiliary rod in the sleeve.

Preferably, the clamping block is respectively provided with a square structure and an arc structure with two different specifications, and a rubber pad is attached and fixed on the outer wall of the clamping block.

Preferably, the auxiliary rod is located the inside one end of sleeve and both sides all are equipped with the stopper about, the upper and lower both sides of sleeve inner wall are equipped with the spacing groove with stopper structure matched with.

Preferably, a second motor is embedded in the middle of the inner part of the bottom plate, and the output end of the second motor is fixedly connected with the middle of the bottom of the workbench.

Preferably, the top of the bottom plate is provided with an annular slide rail, and the bottom of the workbench is provided with an annular slide groove matched with the annular slide rail structure.

Compared with the prior art, the utility model has the beneficial effects that: this stable form anchor clamps for precision machining can carry out auxiliary stay to a plurality of positions of anomalous work piece, improves the stability when the centre gripping is fixed, guarantees the precision of processing. The device drives the carousel through first motor and carries out preliminary centre gripping to the work piece at the inside rotatory grip block that switches and work piece suit of U type frame, and the auxiliary rod can make the supporting shoe carry out the auxiliary stay to a plurality of positions of work piece at telescopic inside slip extrusion spring simultaneously to make the grip block can be more firm carry out the centre gripping to anomalous work piece under the cooperation of supporting shoe fixed, avoid the grip block to lead to the fact the precision that the displacement influences processing to appear in the work piece to the fixed not laminating of work piece.

Drawings

FIG. 1 is a schematic structural diagram of a stable fixture for precision machining according to the present invention;

FIG. 2 is a schematic diagram of the internal top view of a U-shaped frame of a stable fixture for precision machining according to the present invention;

FIG. 3 is an enlarged schematic view of the stable type jig for precision machining of the present invention at the point A in FIG. 1;

fig. 4 is an enlarged schematic structural view of a stable type jig for precision machining according to the present invention at B in fig. 1.

In the figure: 1. the device comprises a bottom plate, 2, side plates, 3, a cylinder, 4, a push plate, 5, a workbench, 6, a second motor, 7, a clamping block, 8, a rotary table, 9, a U-shaped frame, 10, a sleeve, 11, an auxiliary rod, 12, a supporting block, 13, a rotating shaft, 14, a first motor, 15, a spring, 16, a limiting block, 17, a limiting groove, 18, an annular sliding rail, 19 and an annular sliding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a stable form anchor clamps for precision machining, including bottom plate 1, the centre at 1 top of bottom plate is equipped with workstation 5, the both sides at 1 top of bottom plate are equipped with curb plate 2, cylinder 3 is installed to 2 corresponding one sides of curb plate, the output end fixedly connected with push pedal 4 of cylinder 3, the centre in the push pedal 4 outside is fixed with U type frame 9, the inside of U type frame 9 rotates through pivot 13 and is connected with carousel 8, the outer edge of carousel 8 encircles the grip block 7 that is fixed with the different specification of a plurality of through the connecting piece, and first motor 14 is installed to the outside one side of U type frame 9, the output of first motor 14 passes U type frame 9 and is connected with the one end of pivot 13, and the upper and lower both ends of U type frame 9 all articulate there is sleeve 10, the outer end sliding connection of sleeve 10 has auxiliary rod 11, the one end that auxiliary rod 11 is located sleeve 10's outside articulates through the round pin axle has supporting shoe 12, this structure drives push pedal 4 when cylinder 3 drives and makes grip block 7 fold anomalous work piece on workstation 5 each other When clamping and fixing are carried out, the first motor 14 can drive the rotary table 8 to rotate and switch the adaptive clamping block 7 in the U-shaped frame 9 through the rotating shaft 13 to preliminarily clamp a workpiece, the auxiliary rod 11 can make the supporting block 12 to carry out auxiliary supporting on a plurality of positions of the workpiece through sliding in the sleeve 10, so that the clamping block 7 can more stably clamp and fix an irregular workpiece under the matching of the supporting block 12, the clamping block 7 is prevented from being not attached to the workpiece to easily cause the displacement of the workpiece, the clamping stability is reduced, and the processing precision is not influenced, the spring 15 is arranged in the sleeve 10, two ends of the spring 15 are respectively connected with the bottom wall of the sleeve 10 and one end of the auxiliary rod 11 in the sleeve 10, the auxiliary rod 11 can extrude the spring 15 when sliding in the sleeve 10, so that the auxiliary rod 11 can make the supporting block 12 abut against the workpiece under the action of the spring 15, the function of auxiliary supporting of a plurality of positions of a workpiece is realized, the clamping block 7 is respectively provided with a square structure and an arc structure with two different specifications, a rubber pad is attached and fixed on the outer wall of the clamping block 7, the clamping block 7 of the structure can adjust the corresponding square surface or arc surface according to the appearance characteristics of the processed workpiece, so that the clamping block 7 is more attached to the workpiece when clamping and fixing the workpiece, the clamping stability is further improved, the upper side and the lower side of one end of the auxiliary rod 11 positioned in the sleeve 10 are both provided with limit blocks 16, the upper side and the lower side of the inner wall of the sleeve 10 are provided with limit grooves 17 matched with the limit blocks 16 in structure, the auxiliary rod 11 of the structure can drive the limit blocks 16 to slide in the limit grooves 17 when sliding in the sleeve 10, so that the sleeve 10 can play a limiting role on the auxiliary rod 11, the second motor 6 is embedded in the middle of the bottom plate 1, and the output of second motor 6 and the centre fixed connection of workstation 5 bottom, this structure second motor 6 can be through driving workstation 5 rotatory adjustment to the fixed position of work piece centre gripping to make grip block 7 and supporting shoe 12 can carry out the centre gripping to the work piece more effectively and fix, the top of bottom plate 1 is equipped with annular slide rail 18, and the bottom of workstation 5 is equipped with annular spout 19 with annular slide rail 18 structure matched with, this structure can drive annular slide rail 18 and slide in annular spout 19 simultaneously when second motor 6 drives workstation 5 rotatory, this makes workstation 5 more stable at rotatory in-process.

The working principle is as follows: when the stable type clamp for precision machining is used, a workpiece to be machined is firstly placed on a workbench 5, then a second motor 6 is started, the second motor 6 drives the workbench 5 to rotate to adjust the workpiece to a proper angle position, the workbench 5 simultaneously drives an annular slide rail 18 to slide in an annular slide groove 19 when rotating, so that the stability of the workbench 5 in the rotating process is kept, then a first motor 14 is started, the first motor 14 drives a rotary table 8 to rotate in a U-shaped frame 9 through a rotating shaft 13 to switch the direction of a clamping block 7 attached to the appearance characteristic of the workpiece to the workpiece, at the moment, an air cylinder 3 is started again, a push plate 4 is driven by the air cylinder 3 to mutually fold so that the clamping block 7 preliminarily clamps and fixes the workpiece on the workbench 5, after the clamping block 7 finishes fixing the workpiece, an auxiliary rod 11 is pushed, the auxiliary rod 11 extrudes a spring 15 when sliding in a sleeve 10, the auxiliary rod 11 makes the supporting shoe 12 support and press and carry out the auxiliary stay on the work piece under the effect of spring 15 for the grip block 7 can mutually support with supporting shoe 12 and more firm carry out the centre gripping fixed to anomalous work piece, and the auxiliary rod 11 can drive stopper 16 simultaneously and slide in spacing groove 17 when the inside of sleeve 10 slides, prevents that the auxiliary rod 11 from sliding out in the inside of sleeve 10, thereby accomplishes a series of work.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a stable form anchor clamps for precision machining, includes bottom plate (1), the centre at bottom plate (1) top is equipped with workstation (5), the both sides at bottom plate (1) top are equipped with curb plate (2), its characterized in that: an air cylinder (3) is arranged on one side of the side plate (2) corresponding to the side plate, a push plate (4) is fixedly connected with the output end of the air cylinder (3), a U-shaped frame (9) is fixed in the middle of the outer side of the push plate (4), a rotary disc (8) is rotatably connected inside the U-shaped frame (9) through a rotary shaft (13), the outer edge of the rotary table (8) is fixed with a plurality of clamping blocks (7) with different specifications in a surrounding way through connecting pieces, and a first motor (14) is arranged at one side of the outer part of the U-shaped frame (9), the output end of the first motor (14) passes through the U-shaped frame (9) and is connected with one end of the rotating shaft (13), and the upper and lower ends of the U-shaped frame (9) are hinged with sleeves (10), the outer end of the sleeve (10) is connected with an auxiliary rod (11) in a sliding mode, and one end, located outside the sleeve (10), of the auxiliary rod (11) is hinged to a supporting block (12) through a pin shaft.

2. A stabilized jig for precision machining according to claim 1, characterized in that: the spring (15) is arranged inside the sleeve (10), and two ends of the spring (15) are respectively connected with the bottom wall of the sleeve (10) and one end, located inside the sleeve (10), of the auxiliary rod (11).

3. A stabilized jig for precision machining according to claim 1, characterized in that: the clamping block (7) is provided with a square structure and an arc structure of two different specifications, and a rubber pad is attached and fixed to the outer wall of the clamping block (7).

4. A stabilized jig for precision machining according to claim 1, characterized in that: both sides all are equipped with stopper (16) about auxiliary rod (11) is located the inside one end of sleeve (10), the upper and lower both sides of sleeve (10) inner wall are equipped with and stopper (16) structure matched with spacing groove (17).

5. A stabilized jig for precision machining according to claim 1, characterized in that: the middle of the inner part of the bottom plate (1) is embedded with a second motor (6), and the output end of the second motor (6) is fixedly connected with the middle of the bottom of the workbench (5).

6. A stabilized jig for precision machining according to claim 5, characterized in that: the top of the bottom plate (1) is provided with an annular slide rail (18), and the bottom of the workbench (5) is provided with an annular slide groove (19) structurally matched with the annular slide rail (18).