CN209953809U

CN209953809U - Lathe

Info

Publication number: CN209953809U
Application number: CN201920161108.7U
Authority: CN
Inventors: 章跃军; 赵传武; 王力
Original assignee: Zhejiang Tuoman Cloud Computing Co Ltd
Current assignee: Zhejiang Tuoman Cloud Computing Co Ltd
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2020-01-17
Anticipated expiration: 2029-01-30

Abstract

The utility model provides a lathe, which comprises a lathe body, a sliding plate, a tool rest and a moving assembly, wherein the moving assembly comprises a sliding base, a longitudinal-pushing bidirectional cylinder and a limiting mechanism, the tool rest is arranged on the sliding base, the limiting mechanism comprises a limiting base, a motion base, a limiting mounting plate and a limiting screw, the tool rest can move relative to the sliding plate, an adjusting wedge is inserted in the motion base in a matching way, a pushing lead screw is inserted in the adjusting wedge in a matching way, the end part of the pushing lead screw is connected with a rotary driving piece through a thread, the motion base is internally provided with a pushing wedge in a clamping way, an elastic piece is arranged on the motion, the inclined plane of adjusting the slide wedge and the inclined plane of promoting the slide wedge are laminated each other, utilize spacing base, motion base and adjust the slide wedge protection and promote the lead screw and rotate the driving piece and not receive to indulge and push away two-way cylinder and promote to improve the stability and the accurate degree of stop gear to the knife rest stroke limit.

Description

Lathe

Technical Field

The utility model relates to a bearing processing technology field especially relates to a lathe.

Background

The processing mode of lathe work bearing is unipolar reciprocating machining, because the size precision requirement of bearing self is higher, consequently adds the biggest processing stroke that needs to carry out continuous correction to the lathe man-hour, guarantees the processing size precision of bearing, and at the in-process of processing, the drive power to the knife rest often can influence stop gear's positioning accuracy, and the driving force is too strong promptly, leads to stop gear skew original position, causes the size of bearing lathe work to can not reach the technological requirement.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in the process of processing the bearing, the limiting mechanism is easily influenced by the driving force of the tool rest, so that the processing size of the product cannot meet the process requirement.

The utility model provides a technical scheme that its technical problem adopted is: a lathe comprises a lathe body, a sliding plate, a tool rest and a moving assembly, wherein the sliding plate can be transversely arranged on the lathe body in a moving mode, the moving assembly comprises a sliding base, a longitudinal pushing bidirectional cylinder and a limiting mechanism, the sliding base is longitudinally arranged on the sliding plate in a moving mode, the longitudinal pushing bidirectional cylinder drives the sliding base to move, and the tool rest is arranged on the sliding base;

the limiting mechanism comprises a limiting base connected with the tool rest, a moving base fixedly arranged on the limiting base, a limiting mounting plate connected with the sliding plate and a limiting screw inserted on the limiting mounting plate, the tool rest can move relative to the sliding plate, an adjusting wedge is inserted in the moving base in a matching way, a pushing screw rod is inserted in the adjusting wedge in a matching way, the pushing screw rod is connected with a rotary driving piece through the end part thread of the limiting base, a pushing wedge is movably clamped in the moving base, an elastic part is telescopically arranged between the moving base and one side of the pushing wedge away from the adjusting wedge, the inclined plane of the adjusting wedge and the inclined plane of the pushing wedge are mutually attached, and the rotating driving piece is rotated to enable the pushing wedge to be close to or far away from the limiting screw under the pushing and supporting action of the adjusting wedge.

Furthermore, a longitudinal sliding rail is arranged on the sliding plate, the axial direction of the longitudinal sliding rail is perpendicular to the moving direction of the sliding plate, the sliding base moves along the longitudinal sliding rail, and the longitudinal pushing bidirectional cylinder and the limiting mechanism are respectively arranged at two ends of the longitudinal sliding rail.

Furthermore, the bottom of the sliding base is fixedly connected with a longitudinal clamping block, the longitudinal clamping block is clamped in the longitudinal sliding rail in a matching mode, and the moving base is fixedly connected with the longitudinal clamping block.

Further, the tool rest can be detachably arranged on the top of the sliding base.

Furthermore, the output end of the longitudinal pushing bidirectional cylinder is fixedly connected with the side surface of the sliding base.

Further, install two mounting panels on the organism, two install the horizontal slip track between the mounting panel, the slide is installed on the horizontal slip track.

Furthermore, a transverse pushing bidirectional cylinder is mounted on the machine body, and the transverse pushing bidirectional cylinder and the longitudinal pushing bidirectional cylinder are perpendicular to each other.

Furthermore, the telescopic end of the transverse pushing bidirectional cylinder penetrates through the mounting plate and extends into the upper part of the transverse sliding rail, and the telescopic end of the transverse pushing bidirectional cylinder abuts against the side face of the sliding plate.

Furthermore, the longitudinal sliding track is a T-shaped groove, and the longitudinal clamping block is a T-shaped block matched with the longitudinal sliding track.

Furthermore, the limiting mechanism further comprises a connecting plate, the connecting plate is vertically arranged below the longitudinal sliding rail on the side face of the sliding plate, and the limiting mounting plate is fixed at the end part, far away from the sliding plate, of the connecting plate.

The beneficial effects of the utility model are that, the setting is indulged and is pushed two-way qigong and produce the driving force to the knife rest, thereby obtain great lathe, because promote the lead screw and the equal perpendicular to of rotation driving piece indulge the axial that pushes away two-way cylinder, indulge the thrust that pushes away two-way cylinder to the knife rest and can not influence the regulation effect that promotes lead screw and rotation driving piece, do not promote the motion that promotes lead screw and gear motor emergence for adjusting the slide wedge promptly, improve stop gear self stability, with the accurate degree of improvement stop gear's tool rest stroke, increase stop gear's life.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a perspective view of the lathe of the present invention;

FIG. 2 is another perspective view of the lathe of FIG. 1;

FIG. 3 is a top view of the lathe of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

FIG. 5 is a cross-sectional view of a portion of the spacing mechanism of the lathe of FIG. 1;

in the figure: machine body-1, sliding plate-2, tool rest-3, moving component-4, mounting plate-101, transverse sliding track-102, transverse pushing bidirectional cylinder-103, pressing holding groove-301, sliding base-41, longitudinal pushing bidirectional cylinder-42, limiting mechanism-43, limit component-44, limiting base-431, moving base-433, limiting mounting plate-434, limiting screw-435, limiting hole-437, adjusting wedge-438, pushing wedge-439, limiting groove-430, spring blind hole-4302, positioning screw-4303, reset spring-4301, connecting plate-4341, speed reducing motor-432, pushing screw rod-436, control hole-4381, rotating sleeve-4382, fixing screw-4383, linkage rod-441, transverse sliding track-103, linkage rod-150, transverse sliding track-44, limiting screw-435, limiting hole-437, adjusting wedge-438, pushing wedge-439, limiting groove-, A telescopic probe-442, a fixed block-443, a pressing screw-445, a pressing groove-4411, a butting screw-444 and a control device-446.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

As shown in fig. 1 to 3, the utility model provides a lathe for location cutting, including organism 1, slide 2 and the movable mounting tool rest 3 on slide 2 of directional removal on organism 1, the bottom fixed mounting of tool rest 3 has removal subassembly 4, and removal subassembly 4 activity joint is on slide 2.

Install mounting panel 101 on organism 1, the side of mounting panel 101 is connected with horizontal slip track 102 perpendicularly, slide 2 joint is on horizontal slip track 102, install in the outside of mounting panel 101 and violently push away two-way cylinder 103, the flexible end that violently pushes away two-way cylinder 103 sees through the mounting panel 101 and stretches into the top of horizontal slip track 102, violently push away the flexible end fixed connection of two-way cylinder 103 and slide 2's side, understandably, through the promotion that violently pushes away two-way cylinder 103, drive slide 2 reciprocating motion on horizontal slip track 102. The sliding plate 2 is provided with a longitudinal sliding track (not shown) corresponding to the moving component 4, the sliding plate 2 drives the moving component 4 to move along the longitudinal sliding track, the longitudinal sliding track is perpendicular to the transverse sliding track 102, the side surface of the tool rest 3 is provided with a pressing groove 301, and a turning tool for cutting a workpiece is clamped in the pressing groove 301.

The moving assembly 4 comprises a sliding base 41, a longitudinal pushing bidirectional cylinder 42 for driving the sliding base 41 to move, a limiting mechanism 43 installed on the sliding base 41 and a stroke limiting assembly 44 fixedly installed on the sliding plate 2, the tool rest 3 is detachably installed on the sliding base 41, a longitudinal clamping block (not shown) is fixedly connected to the bottom of the sliding base 41, the longitudinal clamping block is matched with a longitudinal sliding rail, the sliding base 41 is installed on the longitudinal clamping block, the longitudinal pushing bidirectional cylinder 42 and the limiting mechanism 43 are respectively arranged at two ends of the longitudinal sliding rail, the longitudinal pushing bidirectional cylinder 42 and the limiting mechanism 43 are both fixedly installed on the sliding plate 2, the axial direction and the longitudinal sliding rail of the longitudinal pushing bidirectional cylinder 42 are the same, the stroke limiting assembly 44 is installed between the longitudinal pushing bidirectional cylinder 42 and the limiting mechanism 43, and the stroke limiting assembly 44 measures the moving stroke of the sliding base 41 in the longitudinal sliding.

The limiting mechanism 43 comprises a limiting base 431, a moving base 433 fixedly installed on the limiting base 431, a limiting installation plate 434 corresponding to the moving base 433, and a limiting screw 435 inserted in the limiting installation plate 434. Spacing base 431 is the L type and bends the form, and spacing base 431 fixed mounting is in the side of slide 2, and spacing base 431 is corresponding with vertical fixture block, and the minor face perpendicular to long limit of spacing base 431. The motion base 433 is fixedly installed inside a bevel of the limiting base 431, a limiting hole 437 is formed in the motion base 433, an adjusting wedge 438 is inserted into the limiting hole 437 in a matched mode, a pushing wedge 439 is further installed in the motion base 433, and the pushing wedge 439 is clamped inside the motion base 433.

The adjusting wedge 438 and the pushing wedge 439 are both right-angled trapezoids, the inclined surface of the adjusting wedge 438 and the inclined surface of the pushing wedge 439 are mutually attached in the moving base 433, a limiting groove 430 corresponding to the limiting screw 435 is formed in the moving base 433, and the limiting screw 435 is abutted to the pushing wedge 439 through the limiting groove 430. The side face, far away from the pushing wedge 439, of the inner wall of the moving base 433 is provided with a plurality of spring blind holes 4302, the hole bottom of each spring blind hole 4302 is provided with a corresponding positioning screw 4303 in an inserting manner, each positioning screw 4303 is in a taper shape, a plurality of elastic pieces (not shown) are fixedly arranged on the taper surface of each positioning screw 4303, each elastic piece is a reset spring 4301, one end of each reset spring 4301 is fixed on the taper surface of each positioning screw 4303, the other end of each reset spring 4301 abuts against the side face of the pushing wedge 439, and the abutting center of each reset spring 4301 is always fixed under the positioning action of each positioning screw 4303, namely, in the using process of each reset spring 4301, the force application direction of each reset spring 4301 cannot. The reset spring 4301 and the limiting groove 430 are located on the same side surface of the moving base 433, the reset spring 4301 is symmetrically disposed on two sides of the limiting groove 430, and the reset spring 4301 abuts against the side surface of the pushing wedge 439 away from the adjusting wedge 438. Stop mechanism 43 includes adjustment wedge 438, push wedge 439, set screw 4303, and an elastic member as described above.

The bottom of the limit mounting plate 434 is fixedly provided with a connecting plate 4341, one end of the connecting plate 4341 is fixedly arranged on the sliding plate 2, the other end of the connecting plate 4341 is fixedly connected to the bottom of the limit mounting plate 434, the limit base 431 and the motion base 433 are driven by the sliding base 41 to move on the connecting plate 4341, and the limit screw 435 is inserted in the limit mounting plate 434 in a matching way at a position corresponding to the limit groove 430.

The end face of the push wedge 438 is provided with a control hole 4381, a push screw rod 436 is inserted in the control hole 4381 in an inner meshing manner, the tail end of the push screw rod 436 is inserted in the control hole 4381, the head end of the push screw rod 436 is connected with a rotary driving member (such as a speed reduction motor, a rotary cylinder or a turning wheel handle) in a linkage manner through the limiting base 431, the torque output end of the rotary driving member is fixedly connected with the push screw rod 436 through the short edge of the limiting base 431, and the push screw rod 436 is driven to rotate in the control hole 4381. Under the driving rotation of the rotary driving member, the push screw 436 rotates in the control hole 4381, so that the push wedge 438 moves in the axial direction of the push screw 436.

The rotary driving part is a speed reducing motor 432, a rotating shaft of the speed reducing motor 432 is in linkage sleeved connection with the pushing screw rod 436 through a short edge of the limiting base 431, the pushing screw rod 436 is driven to rotate by utilizing the torque of the speed reducing motor 432, the adjusting wedge 438 is pushed or withdrawn by utilizing the thread of the pushing screw rod 431, namely when the pushing screw rod 438 rotates forwards, the adjusting wedge 438 moves away from the speed reducing motor 432 along the axial direction of the pushing screw rod 431, when the pushing screw rod 438 rotates backwards, the adjusting wedge 438 moves close to the speed reducing motor 432 along the axial direction of the pushing screw rod 431, the position of the adjusting wedge 438 is adjusted in the moving base 433, and meanwhile, the position of the adjusting wedge 438 is fixed on the pushing screw rod 436 by utilizing the braking effect of the thread on the adjusting wedge 438. The limiting mechanism 43 includes the above-mentioned connecting plate 4341, the push screw 436, and the rotary driving member.

A rotating sleeve 4382 is inserted into an aperture of the control hole 4381 in a clearance fit manner, the tail end of the pushing screw rod 436 is inserted into the rotating sleeve 4382 through the short edge of the limiting base 431, threads (not shown) meshed with the pushing screw rod 436 are carved on the inner wall of the rotating sleeve 4382, the rotating sleeve 4382 is clamped in the control hole 4381 in a step shape, the step surface of the rotating sleeve 4382 and the end surface of the adjusting wedge 438 are attached to each other, a fixing screw 4383 is inserted on the step surface of the rotating sleeve 4382 in a penetrating manner, the limiting mechanism 43 comprises the rotating sleeve 4382 and the fixing screw 4383, and the rotating sleeve 4382 is pressed and held on the end surface of the adjusting wedge 438 by the fixing screw 4383. Under the rotation of the speed reducing motor 432, the pushing screw rod 436 rotates in the rotating sleeve 4382, the rotating sleeve 4382 moves on the pushing screw rod 436 through the thread engaged with the pushing screw rod 436, and the adjusting wedge 438 is driven to move on the pushing screw rod 436 through the fixing screw 4383. It will be appreciated that in other embodiments, not shown, the rotating sleeve 4382 may be omitted, and the push screw 436 may be threadably coupled to the adjustment wedge 438, again to achieve the above-described effect.

As shown in fig. 3, the range limiting assembly 44 includes a linkage rod 441, a telescopic probe 442 vertically and detachably inserted in the linkage rod 441, and a fixing block 443 corresponding to the telescopic probe 442, the linkage rod 441 is fixedly installed at a side surface of the sliding base 41, a head end of the linkage rod 441 is fixed at the side surface of the sliding base 41, a pressing screw 445 is inserted into a tail end of the linkage rod 441 in a matching manner, and the pressing screw 445 presses the telescopic probe 442 at the tail end of the linkage rod 441. Preferably, a pressing groove 4411 is formed in the tail end of the linkage rod 441 below a pressing screw 445, the telescopic probe 442 penetrates through one end, close to the sliding base 41, in the pressing groove 4411, the pressing screw 445 is arranged at the other end in the pressing groove 4411, and the pressing screw 445 clamps and fixes the telescopic probe 442 by shortening the groove width of the pressing groove 4411.

The fixing block 443 is fixedly installed on the sliding plate 2, the fixing block 443 and the end portion of the pogo pin 442 are provided with a contact screw 444, the contact screw 444 corresponds to the pogo pin 442, the pogo pin 442 is connected with a control device 446 for controlling the retraction of the longitudinal pushing bidirectional cylinder 42, the control device 446 can be a touch switch (not shown), the touch switch is electrically connected to the longitudinal pushing bidirectional cylinder 42 in a controllable manner, it can be understood that after the pogo pin 442 touches the end surface of the contact screw 444, the self extension of the pogo pin 442 is used as the open condition of the touch switch, when the pogo pin is retracted to a specified length, the touch switch is opened, the driving mode of the longitudinal pushing bidirectional cylinder 442 to the sliding base 41 is changed from extension to retraction, and the longitudinal pushing bidirectional cylinder 442 retracts the sliding base 41 to the original position. The control device 446 is not limited to a touch switch, and may be an infrared distance measuring sensor (not shown) installed in the retractable probe 442, where the type of the sensor is KTR-GP2D12, specifically, the infrared distance measuring sensor measures the retraction length of the retractable probe 442, when the measurement result reaches a limit value, the measurement result is output to a data terminal, the data terminal analyzes the measurement result, when the limit value reaches a set limit value, a corresponding electric signal is output, the longitudinal pushing bidirectional cylinder 42 is started, the sliding base 41 is retracted, and after the sliding base is reset, the longitudinal pushing bidirectional cylinder 42 is closed by the data terminal.

The fixing block 443 comprises a sealing cover 4431, a fixing frame 4432 and a limit rod 4433, the fixing frame 4432 is installed on the side surface of the sliding plate 2 in parallel, the limit rod 4433 and the linkage rod 441 are respectively and vertically and fixedly installed on the side surface of the sliding base 41, the sealing cover 4431 is fixedly installed on the limit rod 4433 and the linkage rod 441, the fixing frame 4432 is arranged between the limit rod 4433 and the linkage rod 441 in parallel, a limit screw 4434 penetrates through the limit rod 4433, the axes of the limit screw 4434, the interference screw 444 and the telescopic probe 442 are collinear, a limit groove 4435 corresponding to the pressure holding groove 4411 is formed on the limit rod 4433, the limit screw 4434 is clamped in the limit groove 4435, the directions of the limit screw 4434 and the interference screw 444 are opposite, namely, the limit screw 4434 and the telescopic probe 442 jointly limit the fixing frame 4432 below the sealing cover 4431, the limit screw 4434 is electrically connected to the longitudinal-pushing bidirectional cylinder, when the limit screw 4434 and the fixing frame 4432 are contacted, closing of the longitudinal pushing bidirectional cylinder. The relative position of the fixed frame 4432 is fixed by the limit rod 4433 and the linkage rod 441, that is, the movement stroke of the sliding base 41 is limited by adjusting the limit screw 4434 and the interference screw 444, and the fixed frame 4432 is protected by the sealing cover 4431, and when the fixed frame 4432 moves between the limit screw 4434 and the interference screw 444, the sealing cover 4431 prevents the cutting remainder from falling into the fixed frame 4432.

When the lathe is used for large-batch single-shaft cutting production, the adjusting wedge 438 is withdrawn from the limiting hole 437 by the reverse rotation of the speed reduction motor 432 and the pushing screw rod 436, so that the pushing wedge 439 is reset to an initial position under the abutting action of the reset spring 4301. The slide plate 2 is driven to slide on the transverse sliding track 102 by the transverse pushing bidirectional air cylinder 103, the tool holder 3 with the turning tool is moved to the machining position, and then the position of the slide plate 2 on the transverse sliding track 102 is fixed.

Starting the longitudinal-pushing bidirectional cylinder 42, pushing the sliding base 41 to move on the sliding plate 2, processing a first sample, after the first sample is processed, closing the longitudinal-pushing bidirectional cylinder 42, positioning the sliding base 41 at the position of the final processing stroke on the longitudinal sliding track, rotating the limit screw 435 in the limit mounting plate 434 to enable the limit screw 435 to be attached to the pushing wedge 439, then starting the speed reducing motor 432 in the forward direction, pushing the adjusting wedge 438 into the limit hole 437 by the rotation of the pushing screw rod 436, because the inclined surface of the pushing wedge 439 is attached to the inclined surface of the adjusting wedge 438, simultaneously pushing the wedge 439 to be clamped on the moving base 433, in the process that the adjusting wedge 438 moves in the limit hole 437, the pushing wedge 439 is forced to move axially along the reset spring 4301 to finely adjust the pushing wedge 438, and by the abutting between the pushing wedge and the limit screw 435, the pushing wedge 438 is fixed relative to the position of the maximum processing stroke, after the pushing wedge 439 leaves the limit screw 435, the displacement of the pushing wedge 439 can be recovered under the pulling of the reset spring 4301, so that the processing precision of the subsequent workpiece is affected, and after the fine adjustment is completed, the displacement is recorded in the subsequent processing process, so that the processing precision can be ensured.

After fine adjustment is completed, the pressing holding groove 4411 is pressed by the loose pressing holding screw 445, so that the telescopic probe 442 can be adjusted in the linkage rod 441, after the telescopic probe 442 is adjusted to touch and contract with the abutting screw 444 by a certain length, the control device 446 triggers, the longitudinal pushing bidirectional cylinder 42 resets the sliding base 41, after the longitudinal pushing bidirectional cylinder 42 is reset, the limit screw 4434 is adjusted until the limit screw 4434 touches the fixing frame 44332, so that the longitudinal pushing bidirectional cylinder 42 is closed, when a subsequent workpiece is machined, the longitudinal pushing bidirectional cylinder 42 is limited by the telescopic performance of the telescopic probe 442 and the position adjusted by the limit screw 4434, and further the machining stroke of the sliding base 41 is limited.

In the fine adjustment process, after the pushing wedge 439 and the limit screw 435 are abutted and attached, the speed reduction motor 432 is closed, the position of the adjusting wedge 438 on the pushing screw rod 436 is fixed, and under the clamping of the adjusting wedge 438 and the reset spring 4301, the position of the pushing wedge 439 in the moving base 433 is fixed, and the taper of the inclined plane of the wedge is 1: 110 to 1: 90, preferably 1: 100, the moving range of the pushing wedge 439 is extremely small, that is, the pushing wedge 439 adjusts the position of the sliding base 41 in an extremely small range, further, the position of the tool rest 3 is adjusted in an extremely small range, after the adjustment is completed, the control device 446 is used for recording the telescopic length of the telescopic probe 442 so as to determine the reset position of the longitudinal pushing bidirectional cylinder 42, and therefore, the precision of the lathe for repeatedly processing a large batch of materials is ensured.

Through the adjustment of the limiting mechanism 43, the processing stroke of the longitudinal fixture block in the longitudinal sliding track is limited, that is, the moving range of the tool rest 3 on the longitudinal sliding track is limited, and in the process of repeated movement of the tool rest 3, the pushing force of the longitudinal pushing bidirectional cylinder 42 is transmitted to the pushing wedge 439 through the sliding base 41, the longitudinal fixture block, the limiting base 431, the moving base 433 and the adjusting wedge 438 in sequence, no pushing action is generated on the pushing screw rod 436 and the speed reducing motor 432, that is, the perpendicularity of the pushing screw rod 436 itself is not affected by the pushing force of the longitudinal pushing bidirectional cylinder 42, the service life of the limiting mechanism 43 and the limiting accuracy are improved, so as to realize high-precision continuous production of large-batch turning products.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention.

Claims

1. A lathe, characterized by: the device comprises a machine body, a sliding plate, a tool rest and a moving assembly, wherein the sliding plate can be transversely arranged on the machine body in a moving way;

2. A lathe according to claim 1 wherein: the sliding plate is provided with a longitudinal sliding rail, the axial direction of the longitudinal sliding rail is perpendicular to the moving direction of the sliding plate, the sliding base moves along the longitudinal sliding rail, and the longitudinal pushing bidirectional cylinder and the limiting mechanism are respectively arranged at two ends of the longitudinal sliding rail.

3. A lathe according to claim 2 wherein: the bottom of the sliding base is fixedly connected with a longitudinal clamping block, the longitudinal clamping block is clamped in the longitudinal sliding rail in a matching mode, and the moving base is fixedly connected with the longitudinal clamping block.

4. A lathe according to claim 1 wherein: the tool rest is detachably mounted on the top of the sliding base.

5. A lathe according to claim 3 wherein: the output end of the longitudinal pushing bidirectional cylinder is fixedly connected with the side surface of the sliding base.

6. A lathe according to claim 3 wherein: install two mounting panels on the organism, two install the lateral sliding track between the mounting panel, the slide is installed on the lateral sliding track.

7. A lathe according to claim 6 wherein: the machine body is provided with a transverse pushing bidirectional cylinder, and the transverse pushing bidirectional cylinder and the longitudinal pushing bidirectional cylinder are perpendicular to each other.

8. A lathe according to claim 7 wherein: the telescopic end of the transverse pushing bidirectional cylinder penetrates through the mounting plate and extends into the upper part of the transverse sliding rail, and the telescopic end of the transverse pushing bidirectional cylinder abuts against the side face of the sliding plate.

9. A lathe according to claim 5 wherein: the longitudinal sliding track is a T-shaped groove, and the longitudinal clamping block is a T-shaped block matched with the longitudinal sliding track.

10. A lathe according to claim 5 wherein: the limiting mechanism further comprises a connecting plate, the connecting plate is vertically installed below the longitudinal sliding rail on the side face of the sliding plate, and the limiting mounting plate is fixed at the end portion, far away from the sliding plate, of the connecting plate.