CN210360461U

CN210360461U - Workpiece clamping device for lathe

Info

Publication number: CN210360461U
Application number: CN201921495191.8U
Authority: CN
Inventors: 吴国明
Original assignee: Sichuan Vocational and Technical College
Current assignee: Sichuan Vocational and Technical College
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-04-21
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a work piece clamping device for lathe, including workstation and centre gripping cylinder, the top at the base is installed to the workstation, and one side of workstation top surface is passed through the vertical first splint that is fixed with of bolt, and the vertical second splint of installing of opposite side of workstation top surface, the piston rod end of centre gripping cylinder is connected at one side middle part that first splint were kept away from to splint, and base top level is rotated and is installed four rolling elements, the utility model discloses, utilize arrestment cylinder of arrestment mechanism to promote the second braking piece and remove to the drive shaft that rotates the motor, remove to the output shaft that rotates the motor through two steel wire stay cords pulling first braking pieces when the second braking piece removes, thereby first braking piece and second braking piece step up the output shaft that rotates the motor and lock the workstation, and the work piece position on workstation upper portion remains stable, and the lathe of being convenient for is processed the work.

Description

Workpiece clamping device for lathe

Technical Field

The utility model relates to an anchor clamps technical field specifically is a work piece clamping device for lathe.

Background

When a lathe machines a workpiece, the workpiece is often clamped in order to facilitate the machining of the workpiece, and the clamping stability of the workpiece directly influences the machining quality of the workpiece. The workpiece clamping device used at present generally comprises a left clamping plate, a right clamping plate or a clamping arm for fixing and clamping workpieces, wherein the clamps are fixed in a fixed position at the upper part of a lathe to fix the positions of the clamps, when the lathe finishes machining the machined surface on one side of the workpiece or needs to machine the workpiece in multiple angles, the workpiece needs to be rotated, the workpiece is very difficult to rotate during the fixed clamps, and if the clamps are simply arranged on a turntable, the turntable is easy to shake when the lathe machines the workpiece, so that the machining quality of the workpiece is affected. Therefore, the utility model provides a work piece clamping device for lathe is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a work piece clamping device for lathe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a workpiece clamping device for a lathe comprises a workbench and a clamping cylinder, wherein the workbench is arranged at the top of a base, a first clamping plate is vertically fixed on one side of the top surface of the workbench through a bolt, a second clamping plate is vertically arranged on the other side of the top surface of the workbench, the middle part of one side, away from the first clamping plate, of the clamping plate is connected with the tail end of a piston rod of the clamping cylinder, four rolling bodies are horizontally and rotatably arranged at the top of the base and are in contact with the bottom surface of a bearing platform at the lower part of the workbench, the central position of the bottom surface of the bearing platform at the lower part of the workbench is connected with the tail end of an output shaft of a rotating motor, a braking mechanism is arranged on the outer side of the output shaft of the rotating motor and comprises an outer frame, a first braking piece, a second braking piece, a transverse plate and a braking cylinder, the, the transverse plate is horizontally welded on the other side of the top of the outer frame, the brake cylinder is horizontally arranged in the middle of the bottom of the transverse plate, and the tail end of a piston rod of the brake cylinder is connected with the middle of the side face of the second brake block.

Preferably, the braking mechanism further comprises two wire guiding wheels and two steel wire pulling ropes, the two wire guiding wheels are respectively installed on two sides of the top surface of the transverse plate, one ends of the two steel wire pulling ropes are respectively connected with two sides of the second braking piece connected with the side surface of the braking cylinder, and the other ends of the two steel wire pulling ropes respectively bypass the two wire guiding wheels and are connected with two sides of the first braking piece.

Preferably, the first brake piece and the second brake piece are respectively installed on two sides of an output shaft of the rotating motor, the first brake piece and the second brake piece are in an arc shape adapted to the output shaft of the rotating motor, and through holes for the outer frame cross arm to pass through are respectively formed in two ends of the first brake piece and the second brake piece.

Preferably, the axis position of base has seted up the mounting hole, the vertical axis position at the mounting hole is installed to the rotation motor, arrestment mechanism horizontal installation is in the upside of mounting hole.

Preferably, two of the four rolling bodies are in one group, each group is installed along the radial direction of the base, the diameters of the two groups of rolling bodies are perpendicular to each other, and the four rolling bodies are installed in an installation groove formed in the top of the base.

Preferably, a bottom shell is fixed to the outer side of the base through bolts, and an opening for a bearing platform at the bottom of the workbench to penetrate through is formed in the top of the bottom shell.

Preferably, the second splint are vertically installed at the top of slide, slide slidable mounting is on the upper portion of slide rail, the slide rail passes through bolt horizontal installation at the top of workstation, first splint and second splint are on a diameter line of workstation.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the clamping cylinder is utilized to push the second clamping plate to horizontally move along the guide rail to clamp the workpiece, so that the workpieces with different sizes can be clamped, and the workpieces with different sizes can be conveniently processed;

2. the four rolling bodies at the top of the base are utilized to support the workbench to enable the workbench to rotate smoothly, so that the position of a workpiece can be adjusted more smoothly, and the machining efficiency of the lathe on the workpiece is improved;

3. the second brake piece is pushed by a brake cylinder of the brake mechanism to move towards a driving shaft of the rotating motor, the first brake piece is pulled by two steel wire pull ropes to move towards an output shaft of the rotating motor when the second brake piece moves, the first brake piece and the second brake piece clamp the output shaft of the rotating motor to lock the workbench, the position of a workpiece on the upper portion of the workbench is kept stable, a lathe can process the workpiece conveniently, and the workpiece processing efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the base structure of the present invention;

fig. 3 is a schematic structural diagram of the braking mechanism of the present invention.

In the figure: the device comprises a workbench 1, a first clamping plate 2, a second clamping plate 3, a slide rail 4, a slide seat 5, a base 6, a clamping cylinder 7, a mounting groove 8, a rolling body 9, a bottom shell 10, a mounting hole 11, a rotating motor 12, a braking mechanism 13, an outer frame 131, a first brake piece 132, a second brake piece 133, a transverse plate 134, a braking cylinder 135, a guide wire wheel 136 and a steel wire pull rope 137.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a workpiece clamping device for a lathe comprises a workbench 1 and a clamping cylinder 7, wherein the clamping cylinder 7 is a DNC-32-400-PPV-A163315 type cylinder, the workbench 1 is installed at the top of a base 6, a first clamping plate 2 is vertically fixed on one side of the top surface of the workbench 1 through a bolt, a second clamping plate 3 is vertically installed on the other side of the top surface of the workbench 1, the middle part of one side, far away from the first clamping plate 2, of the clamping plate 3 is connected with the tail end of a piston rod of the clamping cylinder 7, the clamping cylinder 7 pushes the second clamping plate 3 to horizontally move along a guide rail 4 to clamp workpieces, workpieces with different sizes can be clamped, processing of workpieces with different sizes is facilitated, four rolling bodies 9 are horizontally and rotatably installed at the top of the base 6, the bottom surfaces of the four rolling bodies 9 are in contact with a bearing platform at the lower part of the workbench 1, the center position of the, the rotating motor 12 is a 5GN-5K type motor, the brake mechanism 13 is installed on the outer side of the output shaft of the rotating motor 12, the brake mechanism 13 comprises an outer frame 131, a first brake block 132, a second brake block 133, a transverse plate 134 and a brake cylinder 135, the brake cylinder 135 is an SC63-300-S type cylinder, the first brake block 132 is installed on one side of the top of the outer frame 131 in a sliding mode, the second brake block 133 is installed on one side of the first brake block 132 on the top of the outer frame 131, the transverse plate 134 is horizontally welded on the other side of the top of the outer frame 131, the brake cylinder 135 is horizontally installed in the middle of the bottom of the transverse plate 134, and the tail end of a piston.

Further, the brake mechanism 13 further includes two wire guide wheels 136 and two wire pull ropes 137, the two wire guide wheels 136 are respectively installed on two sides of the top surface of the horizontal plate 134, one ends of the two wire pull ropes 137 are respectively connected with two sides of the second brake block 133 connected with the side surface of the brake cylinder 135, the other ends of the two wire pull ropes 137 are respectively connected with two sides of the first brake block 132 by bypassing the two wire guide wheels 136, the brake cylinder 135 of the brake mechanism 13 pushes the second brake block 133 to move towards the driving shaft of the rotating motor 12, when the second brake block 133 moves, the first brake block 132 is pulled to move towards the output shaft of the rotating motor 12 by the two wire pull ropes 137, the first brake block 132 and the second brake block 133 tighten the output shaft of the rotating motor 12 to lock the worktable 1, the position of the workpiece on the upper portion of the worktable 1 is kept stable, which is convenient.

Further, a first brake piece 132 and a second brake piece 133 are respectively installed on two sides of the output shaft of the rotating electrical machine 12, the first brake piece 132 and the second brake piece 133 are arc-shaped corresponding to the output shaft of the rotating electrical machine 12, and through holes for the cross arm of the outer frame 131 to pass through are respectively formed at two ends of the first brake piece 132 and the second brake piece 133.

Further, the axis position of the base 6 is provided with an installation hole 11, the rotating motor 12 is installed at the vertical axis position of the installation hole 11, and the braking mechanism 13 is horizontally installed at the upper side of the installation hole 11.

Furthermore, two of the four rolling bodies 9 are in one group, each group is installed along the radial direction of the base 6, the diameters of the two groups of rolling bodies 9 are perpendicular to each other, and the four rolling bodies 9 are installed inside an installation groove 8 formed in the top of the base 6.

Further, a bottom shell 10 is fixed on the outer side of the base 6 through bolts, and an opening for a bearing platform at the bottom of the workbench 1 to pass through is formed in the top of the bottom shell 10.

Further, the second clamping plate 3 is vertically installed on the top of the sliding base 5, the sliding base 5 is slidably installed on the upper portion of the sliding rail 4, the sliding rail 4 is horizontally installed on the top of the workbench 1 through a bolt, and the first clamping plate 2 and the second clamping plate 3 are arranged on one diameter line of the workbench 1.

The working principle is as follows: during actual work, when a workpiece is clamped, the workpiece is placed between the first clamping plate 2 and the second clamping plate 3 on the upper portion of the workbench 1, then a worker controls the clamping cylinder 7 to push the second clamping plate 3 to horizontally move along the guide rail 4 to clamp the workpiece, workpieces with different sizes can be clamped, and the workpieces with different sizes can be conveniently machined; when the machining position of a workpiece is adjusted, the workbench 1 is rotated, the rotating motor 12 works to drive the workbench 1 to rotate to adjust the machining position of the workpiece, and when the workbench 1 rotates, the workbench 1 is supported by the four rolling bodies 9 at the top of the base 6 to rotate smoothly, so that the position of the workpiece is convenient to adjust, and the machining efficiency of a lathe on the workpiece is improved; after the position of the workpiece is adjusted, the driving shaft of the rotating motor 12 is locked by the brake mechanism 13 to lock the worktable 1, the brake cylinder 135 of the brake mechanism 13 pushes the second brake sheet 133 to move towards the driving shaft of the rotating motor 12, when the second brake sheet 133 moves, the first brake sheet 132 is pulled by the two wire pulling ropes 137 to move towards the output shaft of the rotating motor 12, the first brake sheet 132 and the second brake sheet 133 tightly clamp the output shaft of the rotating motor 12 to lock the worktable 1, the position of the workpiece on the upper part of the worktable 1 is kept stable, the lathe can conveniently process the workpiece, and the workpiece processing efficiency is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a workpiece clamping device for lathe, includes workstation (1) and centre gripping cylinder (7), its characterized in that, the top at base (6) is installed in workstation (1), one side of workstation (1) top surface is vertically fixed with first splint (2) through the bolt, the vertical second splint (3) of installing of opposite side of workstation (1) top surface, the piston rod end of centre gripping cylinder (7) is connected at the one side middle part that first splint (2) were kept away from in splint (3), base (6) top horizontal rotation is installed four rolling elements (9), four rolling elements (9) contact with the cushion cap bottom surface of workstation (1) lower part, the central point of the cushion cap bottom surface of workstation (1) lower part puts the output shaft end of connecting rotation motor (12), arrestment mechanism (13) are installed in the output shaft outside of rotation motor (12), the brake mechanism (13) comprises an outer frame (131), a first brake block (132), a second brake block (133), a transverse plate (134) and a brake cylinder (135), wherein the first brake block (132) is slidably mounted on one side of the top of the outer frame (131), the second brake block (133) is mounted on one side of the first brake block (132) on the top of the outer frame (131), the transverse plate (134) is horizontally welded on the other side of the top of the outer frame (131), the brake cylinder (135) is horizontally mounted in the middle of the bottom of the transverse plate (134), and the tail end of a piston rod of the brake cylinder (135) is connected with the middle of the side surface of the second brake block (133).

2. The workpiece holding apparatus for a lathe according to claim 1, wherein: the brake mechanism (13) further comprises two wire guide wheels (136) and two steel wire pull ropes (137), the two wire guide wheels (136) are respectively installed on two sides of the top surface of the transverse plate (134), one ends of the two steel wire pull ropes (137) are respectively connected with two sides of the second brake block (133) connected with the side surface of the brake cylinder (135), and the other ends of the two steel wire pull ropes (137) respectively bypass the two wire guide wheels (136) and are connected with two sides of the first brake block (132).

3. The workpiece holding apparatus for a lathe according to claim 1, wherein: the first brake piece (132) and the second brake piece (133) are respectively installed on two sides of an output shaft of the rotating motor (12), the first brake piece (132) and the second brake piece (133) are in an arc shape corresponding to the output shaft of the rotating motor (12), and through holes for the cross arm of the outer frame (131) to penetrate through are respectively formed in two ends of the first brake piece (132) and the second brake piece (133).

4. The workpiece holding apparatus for a lathe according to claim 1, wherein: the axis position of base (6) has seted up mounting hole (11), the vertical axis position at mounting hole (11) is installed in rotating electrical machines (12), arrestment mechanism (13) horizontal installation is in the upside of mounting hole (11).

5. The workpiece holding apparatus for a lathe according to claim 1, wherein: the four rolling bodies (9) are two and are one group, each group is installed along the radial direction of the base (6), the diameter of the two groups of rolling bodies (9) is perpendicular to the diameter of the two groups of rolling bodies, and the four rolling bodies (9) are installed inside an installation groove (8) formed in the top of the base (6).

6. The workpiece holding apparatus for a lathe according to claim 1, wherein: the outer side of the base (6) is fixed with a bottom shell (10) through bolts, and the top of the bottom shell (10) is provided with an opening for the bearing platform at the bottom of the workbench (1) to pass through.

7. The workpiece holding apparatus for a lathe according to claim 1, wherein: the vertical top of installing at slide (5) of second splint (3), slide (5) slidable mounting is on the upper portion of slide rail (4), slide rail (4) are through the top of bolt horizontal installation at workstation (1), first splint (2) and second splint (3) are on a diameter line of workstation (1).