CN211708699U

CN211708699U - Workpiece positioning device for machine tool

Info

Publication number: CN211708699U
Application number: CN201922408214.3U
Authority: CN
Inventors: 韩陈
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-10-20
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a work piece positioner for lathe, concretely relates to machine tool machining field, comprising a base plate, the through-hole has been seted up to bottom plate one side, through-hole both sides fixedly connected with bearing, two the first lead screw of the inside fixedly connected with of bearing, first lead screw both sides threaded connection has the movable block, the tight piece of movable block top fixedly connected with clamp, bottom plate top both sides fixedly connected with support column, first pipe has been cup jointed in the inside activity of second recess, first pipe is one side fixedly connected with backup pad in opposite directions, the backup pad is one side fixedly connected with second pipe in opposite directions, there is the second lead screw inside through threaded connection of second pipe, second lead screw bottom fixedly connected with compact heap. The utility model discloses a under the effect of two-way screw thread, press from both sides tightly the work piece, through rotating the twentieth handle, move down the compact heap, compress tightly the work piece, fix a position the work piece of different thickness.

Description

Workpiece positioning device for machine tool

Technical Field

The utility model relates to a machine tool machining field, concretely relates to work piece positioner for lathe.

Background

Machine tool machining refers to machining and manufacturing of a raw material by a machine tool, cutting of the machine tool is realized by relative movement between a tool and a workpiece, the motion can be divided into surface forming motion and auxiliary motion, the surface forming motion is the motion for making the workpiece obtain the required surface shape and size, and comprises main motion, feed motion and cutting motion, the main motion is the motion which plays the main role when stripping the redundant material from the workpiece blank, and can be the rotation motion and the linear motion of the workpiece, and can also be the rotation motion or the linear motion of the cutter, the feed motion is the motion for making the cutter and the part of the workpiece to be processed move towards each other, so that the cutting can be continued, such as the movement of a carriage along the machine tool guide during the turning of an outer circle, the plunge motion is a motion that causes the tool to plunge to a depth into the surface of the workpiece, which acts to cut a thickness of material from the surface of the workpiece in each cutting pass.

At present, but when the device is used in practice, the workpiece positioning device is inconvenient to adjust, cannot position workpieces of different specifications, influences users to process the workpieces, brings inconvenience to the users, and reduces the working efficiency of the users.

Therefore, it is necessary to provide a workpiece positioning device for a machine tool to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a work piece positioner for lathe, through putting the work piece in bottom plate center department, rotatory first cross handle drives the rotation of first lead screw, under the effect of two-way screw thread, thereby drive the moving block's in opposite directions removal, press from both sides tightly the work piece, under the effect of first pipe, rotatory backup pad, the rotation that drives second pipe and second lead screw, the top of rotatory work piece, through rotating the second cross handle, move down the compact heap, compress tightly the work piece, accomplish the location to the work piece, with the above-mentioned weak point in the solution technique.

In order to achieve the above object, the present invention provides the following technical solutions: the device comprises a bottom plate, wherein a through hole is formed in one side of the bottom plate, bearings are fixedly connected to two sides of the through hole, a first lead screw is fixedly connected to the inner parts of the two bearings, two ends of the first lead screw extend out of the through hole, a moving block is connected to two sides of the first lead screw in a threaded manner, a clamping block is fixedly connected to the top of the moving block, a nut is connected to one end of the first lead screw in a threaded manner, a first groove is formed in the top of the bottom plate, the through hole and the first groove are mutually penetrated, support columns are fixedly connected to two sides of the top of the bottom plate, second grooves are formed in the surfaces of the support columns, a first circular tube is movably sleeved in the second grooves, a support plate is fixedly connected to one side of the first circular tube close to the clamping block, a second circular tube is fixedly, and a pressing block is fixedly connected to the bottom of the second screw rod.

Preferably, one side, far away from the nut, of the first screw rod is fixedly connected with a first cross handle, and the top of the second screw rod is fixedly connected with a second cross handle.

Preferably, the surface of the first screw rod is provided with bidirectional threads.

Preferably, the number of the supporting columns is two, and the two supporting columns are distributed in a rotation center symmetry mode around the center point of the first groove.

Preferably, the bottom of the pressing block is fixedly connected with a second rubber block, and the size of the second rubber block is equal to that of the bottom of the pressing block.

Preferably, one opposite side of the clamping block is fixedly connected with a first rubber block, and the first rubber block and one side of the clamping block have the same size.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the workpiece is placed in the center of the bottom plate, the first cross-shaped handle is rotated to drive the first lead screw to rotate, under the action of the bidirectional threads, the moving block is driven to move in opposite directions to clamp the workpiece, the nut is rotated to be in contact with one side of the bottom plate, the limiting of the clamping block is realized, the clamping block is simple and practical, under the action of the first circular tube, the support plate is rotated to drive the second circular tube and the second lead screw to rotate to be above the workpiece, the pressing block is moved downwards to press the workpiece by rotating the second cross-shaped handle, and the workpieces with different thicknesses are positioned.

2. Through the first rubber block of compact heap bottom fixedly connected with, press from both sides the first rubber block of tight piece opposite side fixedly connected with, compare with prior art, reduce the wearing and tearing to the workpiece surface when the location, improve positioning accuracy.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic view of a connection structure of the second lead screw, the pressing block and the second cross-shaped handle of the present invention;

fig. 4 is a schematic view of the connection structure of the moving block and the clamping block of the present invention;

fig. 5 is a schematic view of the connection between the screw rod, the nut and the first cross handle of the present invention.

Description of reference numerals:

the clamping device comprises a base plate 1, a first lead screw 2, a moving block 3, a clamping block 4, a nut 5, a supporting column 6, a first round tube 7, a second lead screw 8, a pressing block 9, a supporting plate 10, a first cross handle 11, a cross handle 12, a cross handle 13, a first rubber block 13, a second rubber block 14, a first groove 15 and a second round tube 16.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a workpiece positioning device for machine tool as shown in figures 1-5, a through hole is arranged on one side of a bottom plate 1, bearings are fixedly connected on both sides of the through hole, a first lead screw 2 is fixedly connected inside the bearings, both ends of the first lead screw 2 extend out of the through hole, a moving block 3 is in threaded connection on both sides of the first lead screw 2, a clamping block 4 is fixedly connected on the top of the moving block 3, a nut 5 is in threaded connection with one end of the first lead screw 2, a first groove 15 is arranged on the top of the bottom plate 1, the through hole and the first groove 15 are mutually penetrated, a supporting column 6 is fixedly connected on both sides of the top of the bottom plate 1, a second groove is arranged on the surface of the supporting column 6, a first circular tube 7 is movably sleeved inside the second groove, a supporting plate 10 is fixedly connected on one side of, the opposite side fixedly connected with second pipe 16 of backup pad 10, the inside screw thread that is equipped with of second pipe 16, there is second lead screw 8 inside through threaded connection

second pipe

16, 8 bottom fixedly connected with compact heap 9 of second lead screw.

Further, in the above technical solution, the other end of the first screw rod 2 is fixedly connected with a first cross handle 11, and the top of the second screw rod 8 is fixedly connected with a second cross handle 12;

further, in the above technical solution, the surface of the first lead screw 2 is provided with a bidirectional thread;

the implementation mode is specifically as follows: in the use, put the work piece in bottom plate 1 center department, rotatory first cross handle 11 drives the rotation of first lead screw 2, under the effect of two-way screw thread, thereby drive the removal in opposite directions of movable block 3, press from both sides tightly the work piece, rotatory nut 5, with nut 5 rotatory to with one side contact of bottom plate 1, realize spacing to clamp 9, simple and practical, under the effect of first pipe 7, rotatory backup pad 10, the rotation that drives second pipe 16 and second lead screw 8, it is rotatory to the top of work piece, through rotating twentieth handle 12, move clamp 9 down, compress tightly the work piece, accomplish the location to the work piece, this embodiment has specifically solved the work piece positioner who exists among the prior art and is not convenient for adjust, can't fix a position the problem to the work piece of different specifications.

As shown in fig. 1-5: the bottom of the pressing block is fixedly connected with a second rubber block 14, the size of the second rubber block 14 is equal to that of the bottom of the pressing block 9, one opposite side of the clamping block 4 is fixedly connected with a first rubber block 13, and the size of the first rubber block 13 is equal to that of one side of the clamping block 4;

the implementation mode is specifically as follows: through the first rubber block 14 of compact heap 9 bottom fixedly connected with, press from both sides tight 4 opposite side fixedly connected with first rubber block 13, when pressing from both sides tight location to the work piece, first rubber block 13 and second rubber block 14 and work piece contact reduce the wearing and tearing to the work piece surface, and this embodiment has specifically solved the locating device that exists among the prior art and to the serious problem of work piece wearing and tearing.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, in the using process, a workpiece is placed at the center of a bottom plate 1, a first cross handle 11 is rotated to drive a first screw rod 2 to rotate, under the action of bidirectional threads, a moving block 3 is driven to move oppositely to clamp the workpiece, a nut 5 is rotated to be in contact with one side of the bottom plate 1, the clamping block 4 is limited, a supporting plate 10 is rotated under the action of a first circular tube 7 to drive a second circular tube 16 and a second screw rod 8 to rotate to the upper side of the workpiece, a pressing block 9 is moved downwards by rotating a second cross handle 12 to press the workpiece, and the positioning of the workpiece is completed;

referring to the attached drawings 1-5 of the specification, a first rubber block 14 is fixedly connected to the bottom of a pressing block 9, a first rubber block 13 is fixedly connected to one side, opposite to a clamping block 4, of the clamping block, and when a workpiece is clamped and positioned, the first rubber block 13 and the second rubber block 14 are in contact with the workpiece, so that the abrasion to the surface of the workpiece is reduced.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a work piece positioner for lathe, includes bottom plate (1), its characterized in that: a through hole is formed in one side of the bottom plate (1), bearings are fixedly connected to two sides of the through hole, a first lead screw (2) is fixedly connected to the inner parts of the two bearings, two ends of the first lead screw (2) extend out of the through hole, a moving block (3) is in threaded connection with two sides of the first lead screw (2), a clamping block (4) is fixedly connected to the top of the moving block (3), a nut (5) is in threaded connection with one end of the first lead screw (2), a first groove (15) is formed in the top of the bottom plate (1), the through hole and the first groove (15) are mutually penetrated, supporting columns (6) are fixedly connected to two sides of the top of the bottom plate (1), a second groove is formed in the surface of each supporting column (6), a first circular tube (7) is movably sleeved in the second groove, and a supporting plate (10) is fixedly connected, the supporting plate is characterized in that a second round pipe (16) is fixedly connected to one side, opposite to the supporting plate (10), of the second round pipe (16), threads are arranged inside the second round pipe (16), a second lead screw (8) is connected to the inside of the second round pipe (16) through the threads, and a pressing block (9) is fixedly connected to the bottom of the second lead screw (8).

2. A workpiece positioning device for a machine tool according to claim 1, wherein: one side fixedly connected with first cross handle (11) that nut (5) were kept away from in first lead screw (2), second lead screw (8) top fixedly connected with second cross handle (12).

3. A workpiece positioning device for a machine tool according to claim 1, wherein: the surface of the first screw rod (2) is provided with bidirectional threads.

4. A workpiece positioning device for a machine tool according to claim 1, wherein: the number of the supporting columns (6) is two, and the two supporting columns (6) are distributed in a rotation center symmetry mode around the center point of the first groove.

5. A workpiece positioning device for a machine tool according to claim 1, wherein: the bottom of the pressing block (9) is fixedly connected with a second rubber block (14), and the size of the second rubber block (14) is equal to that of the bottom of the pressing block (9).

6. A workpiece positioning device for a machine tool according to claim 1, wherein: the clamping block (4) is oppositely close to one side of the second screw rod and is fixedly connected with a first rubber block (13), and the first rubber block (13) is the same as the clamping block (4) in size.