CN111266885A

CN111266885A - Multifunctional lathe fixture

Info

Publication number: CN111266885A
Application number: CN202010323989.5A
Authority: CN
Inventors: 孟昭勃
Original assignee: Hangzhou Fuyang Yaomi Technology Co Ltd
Current assignee: Hangzhou Yongde Electric Appliances Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-06-12
Anticipated expiration: 2040-04-22
Also published as: CN111266885B

Abstract

A multifunctional lathe clamp comprises a clamp body, a left clamping cavity and a right clamping cavity which are arranged in the clamp body, a clamp mechanism is arranged in the clamp body, a sheet changing body is arranged at the rear side of the clamp body in a sliding manner, a sheet changing cavity is arranged in the sheet changing body, the left side and the right side of the film changing cavity are symmetrically provided with waste film cavities, the film changing cavity is internally provided with a film changing mechanism, the film changing mechanism comprises a first motor fixedly connected to the left end wall of the film changing cavity, the device can clamp objects with different shapes, solves the problem that the clamp needs to be replaced when processing irregular objects, can also accurately position the clamped object, ensures more accurate processing, has the functions of automatically replacing the clamp sheets when the clamp sheets are worn and collecting the old clamp sheets, unnecessary trouble and danger are avoided in mechanical production, and the huge influence on production efficiency caused by changing different clamps for clamping is avoided in the process of teaching high-efficiency machining.

Description

Multifunctional lathe fixture

Technical Field

The invention relates to the related field of clamps, in particular to a multifunctional lathe clamp.

Background

Since the jig is widely used in lathe machining and the loss of the jig piece due to the continuous machining is extremely serious, the replacement of the jig piece becomes an essential work content in lathe machining.

However, in the current stage, most of the clamp pieces are replaced manually, unnecessary troubles and dangers are inevitably generated in mechanical production, and meanwhile, different clamps are required for objects with different shapes, so that the production efficiency is greatly influenced by replacing different clamps for clamping in the process of teaching high-efficiency machining.

Disclosure of Invention

The invention aims to solve the technical problem of providing a multifunctional lathe fixture, and solves the problems that the fixture is unsafe and inconvenient to replace sheets and clamp irregular objects.

The invention is realized by the following technical scheme.

A multifunctional lathe fixture comprises a fixture body, a left clamping cavity and a right clamping cavity which are arranged in the fixture body, a fixture mechanism is arranged in the fixture body, a sheet changing body is arranged at the rear side of the fixture body in a sliding manner, a sheet changing cavity is arranged in the sheet changing body, waste sheet cavities are symmetrically arranged at the left side and the right side of the sheet changing cavity, a sheet changing mechanism is arranged in the sheet changing cavity and comprises a first motor fixedly connected to the left end wall of the sheet changing cavity, the first motor is in power connection with a first driving shaft, a first wire wheel is fixedly connected to the right end of the first driving shaft, first sliding blocks are arranged in the sheet changing cavity in a sliding manner, the rear end of each first sliding block is fixedly connected with a first spring, a sheet sucking block with an electromagnet at the front end is arranged in the sheet taking cavity in a sliding manner, a second spring is fixedly connected to the rear end of the sheet sucking block, and the first sliding blocks are fixedly connected through elastic ropes, the first slider fixedly connected with connecting rod, the connecting rod with first reel passes through cotton rope fixed connection, the centre of symmetry department is kept away from in the anchor clamps chamber is equipped with the promotion groove, it is equipped with the ascending sliding block of opening to slide in the promotion groove, the sliding block is close to centre of symmetry one end fixedly connected with third spring, it slides and is equipped with trapezoidal buffer block and buffer block to keep away from centre of symmetry department to trade the piece chamber, trapezoidal buffer block with the buffering passes through buffer spring fixed connection, the buffer block front end is fixed even to be equipped with and is located promote the inslot, the trapezoidal buffer block front end is fixed and is equipped with the sliding block, the buffer block is kept away from centre of symmetry department and slides and is equipped with new anchor clamps piece, new anchor clamps piece rear.

Further, the clamp mechanism comprises a second motor, the second motor is used for installing a first rotating shaft of the coupler in a power mode, the first rotating shaft is fixedly connected with a second belt wheel and a first transmission gear, moving cavities are symmetrically arranged in the left and right of the clamp body, the second motor is arranged in the moving cavity in the left of the clamp body in a sliding mode, the lower end of the second motor is fixedly connected with a first extension spring, an electromagnet is fixedly arranged on the upper end wall of the moving cavity, a second sliding block is arranged in the moving cavity in the right of the clamp body in a sliding mode, the lower end of the second sliding block is fixedly connected with the first extension spring, the front end of the second sliding block is rotatably connected with a second rotating shaft, the second rotating shaft is fixedly connected with a third belt wheel and a second transmission gear, a rack push plate and a rack plate are symmetrically arranged in the left clamp body and the upper end wall of the right clamp body in, the rack push pedal upper end is fixed and is equipped with the anchor clamps lamellar body, be equipped with in the anchor clamps lamellar body and rotate the chamber, it is equipped with slewing mechanism to rotate the intracavity, the anchor clamps lamellar body is close to the fixed anchor clamps piece that is equipped with of symmetry center terminal surface, the anchor clamps piece with the anchor clamps lamellar body passes through electro-magnet magnetic connection, the fixed iron piece that is equipped with in anchor clamps piece rear end, state the fixed stopper block that is equipped with of anchor clamps piece front end, be equipped with the stopper chamber about running through in the stopper block, the stopper intracavity slides and is equipped with trapezoidal slider, trapezoidal slider with anchor clamps piece fixed connection, the anchor clamps lamellar body is close to symmetry center department and is equipped with the pole groove, the second band pulley with the third band.

Further, an upward pushing cavity is arranged in the clamp body, a third motor is fixedly arranged in the lower end wall of the upward pushing cavity, the third motor is in power connection with a spline shaft, the spline shaft is in spline connection with a spline housing, the spline housing is fixedly connected with tension blocks in bilateral symmetry, a limiting cavity is arranged in each tension block, a limiting block is arranged in each limiting cavity in a sliding mode, the upper end of each limiting block is fixedly connected with the rack plate through a tension rope, an outer turning circle is rotatably arranged on the clamp body, an inner turning circle is rotatably arranged in each outer turning circle, an arc-shaped sliding groove is arranged in each outer turning circle, a first supporting rod is arranged in each arc-shaped sliding groove in a sliding mode, one end of each first supporting rod is fixedly connected with the corresponding inner turning circle, a semi-arc-shaped sliding groove is arranged in each inner turning circle and each outer turning circle, a second supporting rod with one end extending into the upward pushing cavity is arranged in each semi-arc-shaped sliding groove, and, and a friction plate is fixedly arranged on the upper end wall of the push-up cavity.

Furthermore, the rotating mechanism comprises a short shaft which is rotatably connected in the front end wall and the rear end wall of the rotating cavity and is provided with a torsion spring, the short shaft is fixedly connected with a rotating block and a lower pressing plate which is fixedly connected at the upper end of the rotating block, the short shaft is fixedly connected with a wire wheel, the clamp body is bilaterally symmetrically provided with a limiting cavity, a limiting ball is arranged in the limiting cavity in a sliding mode, and the limiting ball is fixedly connected with the wire wheel through a wire rope.

Further, trade slice body downside is equipped with the second pole groove that the opening is forward, trade slice body left side is equipped with pushes away the chamber, it is equipped with long ejector pad to push away the intracavity slip, long ejector pad upper end fixedly connected with second extension spring, long ejector pad lower extreme fixedly connected with connects the rope, anchor clamps lamellar body rear end fixedly connected with reset spring, anchor clamps body rear end wall fixedly connected with gos deep into push away the toper fixed block in the chamber.

The invention has the beneficial effects that: the device can carry out the centre gripping to different shape objects, also can carry out accurate location to the centre gripping object, also can move the anchor clamps piece voluntarily when having anchor clamps piece wearing and tearing, collects the function of old anchor clamps piece.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of the structure A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the structure B-B in FIG. 2 according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the structure C-C shown in FIG. 3 according to an embodiment of the present invention;

FIG. 5 is an enlarged schematic view of the D-D structure of FIG. 1 according to an embodiment of the present invention;

FIG. 6 is an enlarged schematic view of the structure E-E in FIG. 2 according to an embodiment of the present invention;

FIG. 7 is an enlarged view of the structure F-F shown in FIG. 2 according to an embodiment of the present invention;

FIG. 8 is an enlarged view of the structure G-G shown in FIG. 3 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-8, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The multifunctional lathe fixture described with reference to fig. 1-8 comprises a fixture body 1, and a left clamping cavity 54 and a right clamping cavity 55 disposed in the fixture body 1, wherein a fixture mechanism is disposed in the fixture body 1, a sheet changing body 31 is slidably disposed at the rear side of the fixture body 1, a sheet changing cavity 41 is disposed in the sheet changing body 31, waste sheet cavities 42 are symmetrically disposed at the left and right sides of the sheet changing cavity 41, a sheet changing mechanism is disposed in the sheet changing cavity 41, the sheet changing mechanism includes a first motor 86 fixedly connected to the left end wall of the sheet changing cavity 41, the first motor 86 is power-connected to a first driving shaft 85, a first reel 84 is fixedly connected to the right end of the first driving shaft 85, first sliders 34 are slidably disposed at the left and right sides of the sheet changing cavity 41, a first spring 36 is fixedly connected to the rear end of the first slider 34, a sheet sucking block 44 with an electromagnet at the front end is slidably disposed in the sheet taking cavity 70, the rear end of the sheet suction block 44 is fixedly connected with a second spring 72, the sheet suction block 44 is fixedly connected with the first slide block 34 through the elastic rope 71, the first slide block is fixedly connected with a connecting rod 40, the connecting rod 40 is fixedly connected with the first reel 84 through a rope 43, a push groove 87 is arranged at the position of the clamp cavity 41 far away from the symmetry center, a slide block 82 with an upward opening is arranged in the push groove 87 in a sliding manner, one end of the slide block 82 close to the symmetry center is fixedly connected with a third spring 83, a trapezoidal buffer block 78 and a buffer block 77 are arranged at the position of the sheet changing cavity 41 far away from the symmetry center in a sliding manner, the trapezoidal buffer block 78 is fixedly connected with the buffer block 77 through a buffer spring 88, the front end of the buffer block 77 is fixedly connected with a position in the push groove 87, the front end of the trapezoidal buffer block 78 is fixedly connected with the slide block 87, and a new clamp, and an iron sheet 33 is fixedly arranged at the rear end of the new clamp sheet 32.

Further, the fixture mechanism comprises a second motor 59, a first rotating shaft 56 of the second motor 59 power installation couple is arranged, the first rotating shaft is fixedly connected with a second belt wheel 58 and a first transmission gear 57, a moving cavity 64 is symmetrically arranged in the fixture body 1 in the left-right direction, the second motor 59 is arranged in the moving cavity 64 on the left side of the fixture body 1 in a sliding manner, a first extension spring 63 is fixedly connected with the lower end of the second motor 59, an electromagnet 62 is fixedly arranged on the upper end wall of the moving cavity 64, a second sliding block 61 is arranged in the moving cavity 64 on the right side of the fixture body 1 in the sliding manner, a first extension spring 63 is fixedly connected with the lower end of the second sliding block 61, a second rotating shaft 29 is rotatably connected with the front end of the second sliding block 61, a third belt wheel 53 and a second transmission gear 30 are fixedly connected with the second rotating shaft 29, a rack push plate 19 arranged in the left fixture body 55 and the upper end wall of the right fixture body 54 and a rack push plate 19 arranged in Rack plate 20, rack push pedal 19 upper end is fixed and is equipped with anchor clamps lamellar body 18, be equipped with in the anchor clamps lamellar body 18 and rotate chamber 67, it is equipped with slewing mechanism to rotate the intracavity 67, anchor clamps lamellar body 18 is close to the fixed anchor clamps piece 15 that is equipped with of symmetry center terminal surface, anchor clamps piece 15 with anchor clamps lamellar body 18 passes through 16 magnetic connections of electro-magnet, anchor clamps piece 15 rear end is fixed and is equipped with iron piece 45, state anchor clamps piece 15 front end is fixed and is equipped with stopper block 50, be equipped with in the stopper block 50 and run through about stopper chamber 51, it is equipped with trapezoidal slider 52 to slide in stopper chamber 51, trapezoidal slider 52 with anchor clamps piece 18 fixed connection, the anchor clamps lamellar body is close to symmetry center department and is equipped with rod groove 17, second band pulley 58 with third band pulley 53 passes through belt 60 and connects.

Further, an upward pushing cavity 23 is arranged in the fixture body 1, a third motor 4 is fixedly arranged in the lower end wall of the upward pushing cavity, the third motor 4 is in power connection with a spline shaft 5, the spline shaft 5 is in spline connection with a spline housing 6, the spline housing 6 is in bilateral symmetry and fixedly connected with a tension block 90, a limiting cavity 3 is arranged in the tension block 90, a limiting block 7 is arranged in the limiting cavity 3 in a sliding manner, the upper end of the limiting block 7 is fixedly connected with the rack plate 20 through a tension rope 8, an outer turning circle 22 is arranged on the fixture body 1 in a rotating manner, an inner turning circle 48 is arranged in the outer turning circle 49 in a rotating manner, an arc-shaped sliding groove 91 is arranged in the outer turning circle 22, a first supporting rod 21 is arranged in the arc-shaped sliding groove 91 in a sliding manner, one end of the first supporting rod 21 is fixedly connected with the inner turning circle, a semi-arc-shaped sliding groove 92 is arranged in the inner turning circle 25 and the outer turning circle 22, a second supporting rod 27 with, one end of the second support rod, which is located in the push-up cavity 23, is fixedly provided with a friction block 26, and the upper end wall of the push-up cavity is fixedly provided with a friction plate 24.

Further, the rotating mechanism comprises a short shaft 14 which is rotatably connected in the front end wall and the rear end wall of the rotating cavity 67 and is provided with a torsion spring 65, the short shaft 14 is fixedly connected with a rotating block 12 and a lower pressing plate 13 fixedly connected to the upper end of the rotating block 12, the short shaft 14 is fixedly connected with a wire wheel 66, the clamp body 1 is symmetrically provided with a limiting cavity 9 in the left and right direction, a limiting ball 10 is slidably arranged in the limiting cavity 9, and the limiting ball 10 is fixedly connected with the wire wheel 66 through a wire rope 11.

Further, trade lamellar body 31 downside and be equipped with the second rod groove 73 that the opening is preceding, trade lamellar body 31 left side and be equipped with and push away chamber 69, it is equipped with long ejector pad 38 to push away to slide in the chamber 69, long ejector pad 38 upper end fixedly connected with second extension spring 68, long ejector pad 38 lower extreme fixedly connected with connects the rope 74, anchor clamps lamellar body rear end fixedly connected with reset spring 76, anchor clamps body 1 rear end wall fixedly connected with goes deep into the toper fixed block in pushing away the chamber 69.

In the initial state, the second transmission gear 30 and the first transmission gear 57 are not engaged with the rack push plate and the rack plate 20.

1. When an object needs to be clamped, the motor 59 drives the first rotating shaft 56 to rotate, the first rotating shaft 56 rotates to drive the second belt wheel 58 and the first transmission gear 57 to rotate, the second belt wheel 58 rotates to drive the third belt wheel 53 to rotate, the third belt wheel 53 rotates to drive the second rotating shaft 29 to rotate, the second rotating shaft 29 rotates to drive the second transmission gear 30 to rotate, the left electromagnet 62 and the right electromagnet 62 are controlled to move upwards, the sliding block 61 moves upwards to drive the second transmission gear 30 to move upwards to be meshed with the rack push plate 19, the second transmission gear rotates to drive the rack push plate 19 to move rightwards, the motor 59 moves upwards to drive the first transmission gear 57 to move upwards to be meshed with the rack push plate 19, the rack push plate 19 moves to drive the clamp sheet 18 to move leftwards and rightwards, and the first transmission gear 57 and the second transmission gear 30 are controlled to move downwards to be meshed with the rack push plate 20, the first transmission gear 57 and the second transmission gear 30 rotate to drive the rack plate 20 to move left and right, the pull rope 8 pulls the pull block 90 to move up and down, the pull block 90 moves up to drive the spline housing 6 to move up, when the spline housing 6 contacts the friction block 26, the third motor 4 is started to drive the spline shaft 5 to rotate, the spline shaft 5 rotates to drive the spline housing 6 to rotate, the spline housing 6 rotates to drive the second support rod 27 to rotate to 90 degrees and extend into the second rod groove 73, at this time, the spline housing 6 moves upwards continuously to abut against the friction plate 24, the spline housing 6 rotates to drive the inner rotary ring 25 to rotate, the inner rotary ring 25 rotates to drive the first supporting rod 21 to rotate, meanwhile, the inner turning circle 25 rises upwards under the action of the spline housing 6 to drive the clamp sheet body 31 to rise upwards.

2. When the clamp sheet body 31 rises upwards, the connecting rope 74 pulls the long pushing block 38 to move upwards, the long pushing block 38 moves upwards to abut against the conical fixed block 75, the clamp sheet body 31 moves forwards under the reaction force, so that the front end of the clamp sheet 15 enters the sheet taking cavity 70, at this time, the suction block 44 is electrified, the iron sheet 45 and the suction block 44 are attracted, the first motor 86 is started, the first driving shaft 85 is driven by power to rotate, the driving shaft 85 rotates to drive the first belt pulley 84 to rotate, the first belt pulley 84 rotates to drive the connecting rod 40 to move backwards, the connecting rod 40 moves backwards to drive the first sliding block 34 to move backwards, the first sliding block 34 moves backwards to drive the suction block 44 to move forwards, the suction block 44 moves forwards to drive the clamp sheet 15 to move forwards, and the second spring 72 and the first spring 36 are compressed, the first sliding block 34 moves backwards to press the trapezoid buffer block 78, the trapezoid buffer block 78 moves leftwards to compress the buffer spring 88, when the elastic force of the buffer spring 88 is greater than the friction force of the buffer block 77, the buffer block 77 moves leftwards to push the new clamp piece 32 to move leftwards, the new clamp piece 32 moves leftwards to push the clamp piece 15 to enter the scrap piece cavity 42, the iron piece 33 is attracted to the attraction block 44, at the moment, when the motor is powered off, the new clamp piece 32 moves forwards under the action of the spring elastic force and is attracted and fixed under the action of the electromagnet 16.

3. When the clamp sheet 18 moves towards the symmetrical center, the limiting ball 10 is kept in the limiting cavity 9 under the action of the clamp body 1, the limiting ball 10 is immovable, the wire rope 11 pulls the wire wheel 66 to rotate, the wire wheel 66 rotates to drive the stub shaft 14 to rotate, the stub shaft 14 rotates to drive the rotating block 12 to rotate and the torsion spring 65 to accumulate force, and the rotating block 12 rotates to drive the lower pressing plate 13 to rotate downwards.

4. The second motor 59 rotates reversely to drive the first rotating shaft 56 to rotate, the first rotating shaft 56 rotates reversely to drive the second belt wheel 58 to rotate reversely, the second belt wheel 58 rotates reversely to drive the third belt wheel 53 to rotate reversely, at the moment, the rack push plate 19 moves away from the symmetric center, the rotating block 12 is driven to rotate reversely under the action of the torsion spring 65, and the rotating block 12 rotates reversely to drive the lower pressing plate 13 to rotate reversely.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a multifunctional lathe clamp, including the anchor clamps body and set up in the internal left side of anchor clamps presss from both sides chamber and right side clamp chamber, its characterized in that: the clamp body is internally provided with a clamp mechanism, the rear side of the clamp body is provided with a sheet changing body in a sliding manner, the sheet changing body is internally provided with a sheet changing cavity, the left side and the right side of the sheet changing cavity are symmetrically provided with waste sheet cavities, the sheet changing cavity is internally provided with a sheet changing mechanism, the sheet changing mechanism comprises a first motor fixedly connected with the left end wall of the sheet changing cavity, the first motor is in power connection with a first driving shaft, the right end of the first driving shaft is fixedly connected with a first wire wheel, the sheet changing cavity is in left-right symmetrical sliding manner and provided with a first sliding block, the rear end of the first sliding block is fixedly connected with a first spring, the sheet taking cavity is internally provided with a sheet sucking block with an electromagnet at the front end in a sliding manner, the rear end of the sheet sucking block is fixedly connected with a second spring, the sheet sucking block is fixedly connected with the first sliding block through an elastic rope, the first sliding block, the centre of symmetry department is kept away from in the anchor clamps chamber and is equipped with the promotion groove, it is equipped with the ascending sliding block of opening to slide in the promotion groove, the sliding block is close to centre of symmetry one end fixedly connected with third spring, the slide replacement chamber is kept away from centre of symmetry department and is slided and be equipped with trapezoidal buffer block and buffer block, trapezoidal buffer block with buffer spring fixed connection is passed through in the buffering, the buffer block front end is fixed even to be equipped with and is located promote the inslot, the fixed sliding block that is equipped with in trapezoidal buffer block front end, the buffer block is kept away from centre of symmetry department and slides and is equipped with new anchor clamps piece, the fixed iron sheet.

2. The multi-function lathe fixture of claim 1, wherein: the clamp mechanism comprises a second motor, a first rotating shaft of the second motor is dynamically installed on a doll, the first rotating shaft is fixedly connected with a second belt wheel and a first transmission gear, a moving cavity is symmetrically arranged in the clamp body in the left-right direction, the second motor is arranged in the moving cavity on the left side of the clamp body in a sliding manner, a first extension spring is fixedly connected at the lower end of the second motor, an electromagnet is fixedly arranged on the upper end wall of the moving cavity, a second slider is arranged in the moving cavity on the right side of the clamp body in a sliding manner, the lower end of the second slider is fixedly connected with the first extension spring, the front end of the second slider is rotatably connected with a second rotating shaft, the second rotating shaft is fixedly connected with a third belt wheel and a second transmission gear, a rack push plate and a rack plate are symmetrically arranged in the left clamp body and the upper end wall of the right clamp body in a, the rack push pedal upper end is fixed and is equipped with the anchor clamps lamellar body, be equipped with in the anchor clamps lamellar body and rotate the chamber, it is equipped with slewing mechanism to rotate the intracavity, the anchor clamps lamellar body is close to the fixed anchor clamps piece that is equipped with of symmetry center terminal surface, the anchor clamps piece with the anchor clamps lamellar body passes through electro-magnet magnetic connection, the fixed iron piece that is equipped with in anchor clamps piece rear end, state the fixed stopper block that is equipped with of anchor clamps piece front end, be equipped with the stopper chamber about running through in the stopper block, the stopper intracavity slides and is equipped with trapezoidal slider, trapezoidal slider with anchor clamps piece fixed connection, the anchor clamps lamellar body is close to symmetry center department and is equipped with the pole groove, the second band pulley with the third band.

3. The multi-function lathe fixture of claim 1, wherein: the clamp body is internally provided with an upward pushing cavity, a third motor is fixedly arranged in the lower end wall of the upward pushing cavity, the third motor is in power connection with a spline shaft, the spline shaft is in spline connection with a spline housing, the spline housing is fixedly connected with tension blocks in bilateral symmetry, a limiting cavity is arranged in each tension block, a limiting block is arranged in each limiting cavity in a sliding mode, the upper end of each limiting block is fixedly connected with the rack plate through a tension rope, the clamp body is rotatably provided with an outer turning circle, an inner turning circle is rotatably arranged in each outer turning circle, an arc-shaped sliding groove is arranged in each outer turning circle, a first supporting rod is arranged in each arc-shaped sliding groove in a sliding mode, one end of each first supporting rod is fixedly connected with the corresponding inner turning circle, a semi-arc-shaped sliding groove is arranged in each inner turning circle and each outer turning circle, a second supporting rod with one end extending into the upward pushing cavity is arranged in each semi-arc-shaped sliding, and a friction plate is fixedly arranged on the upper end wall of the push-up cavity.

4. The multi-function lathe fixture of claim 1, wherein: the rotating mechanism comprises a short shaft which is rotatably connected in the front end wall and the rear end wall of the rotating cavity and is provided with a torsion spring, the short shaft is fixedly connected with a rotating block and a lower pressing plate which is fixedly connected to the upper end of the rotating block, the short shaft is fixedly connected with a wire wheel, the clamp body is bilaterally symmetrically provided with a limiting cavity, a limiting ball is arranged in the limiting cavity in a sliding mode, and the limiting ball is fixedly connected with the wire wheel through a wire rope.

5. The multi-function lathe fixture of claim 1, wherein: trade lamellar body downside and be equipped with the second pole groove that the opening is preceding, trade lamellar body left side is equipped with pushes away the chamber, it is equipped with long ejector pad to push away the intracavity slip, long ejector pad upper end fixedly connected with second extension spring, long ejector pad lower extreme fixedly connected with connects the rope, anchor clamps lamellar body rear end fixedly connected with reset spring, anchor clamps body rear end wall fixedly connected with is deepened push away the toper fixed block of intracavity.