Precise numerical control lathe convenient for switching feed mechanism

Abstract

The utility model discloses a precise numerical control lathe convenient to switch a feed mechanism, which relates to the technical field of numerical control lathes and comprises a numerical control lathe main body, a triangular chuck arranged on the side wall of one end in the numerical control lathe main body, a feed component arranged at the inner bottom of the numerical control lathe main body, and a shell arranged at the bottom of the feed component. A connecting column is arranged on the side wall of one end of the shell, an electric telescopic rod is arranged on the outer wall of one end of the numerical control lathe body in a penetrating mode, the telescopic end of the electric telescopic rod is connected with the connecting column through a connecting assembly, and a switching assembly matched with the feeding assembly is arranged in the shell. The precise numerical control lathe is reasonable and reliable in structure and easy to operate, maintenance and replacement of the feeding sliding plate and the feeding sliding rail are achieved, loss caused by abrasion generated by long-time work of the feeding sliding plate and the feeding sliding rail is avoided, the working efficiency of machining of the precise numerical control lathe is improved, and applicability is wider.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control lathe technical field, concretely related to a precision numerical control lathe convenient to switch tool -path mechanism. BACKGROUND

[0002] Numerical control lathe is a kind of high-precision, high-efficiency automatic machine tool. Equipped with multi-station tool tower or power tool tower, the machine tool has extensive machining process performance, it is mainly used for the cutting processing of shaft parts or disc parts inner and outer cylindrical surface, inner and outer conical surface of arbitrary taper angle, complex rotary inner and outer curved surface and cylindrical, conical thread, and can carry out cutting, drilling, reaming, reaming and boring, etc., numerical control machine tool is automatically machined to the machining part according to the machining program prepared in advance, the cutter bottom of numerical control lathe is usually provided with tool -path mechanism, for driving cutter to move, so as to meet the machining requirement of different positions of workpiece. However, the existing numerical control lathe is not convenient for quickly switching tool -path mechanism, once failure occurs, manual time-consuming and labor-consuming dismounting switching is needed, which reduces the working efficiency of numerical control lathe.

[0003] For example, China patent CN214518817U discloses a precision numerical control lathe convenient to switch tool -path mechanism, including lathe main part, fixedly connected with fixed plate on lathe main part, the side of fixed plate is connected with lead screw through bearing, the side of lathe main part is provided with motor, the lead screw is threadedly connected with tool -path block, tool -path block includes upper fixed block, lower fixed block, first recess, second recess, hinge, fixed bolt and locking nut, limit device is symmetrically arranged on both sides of tool -path block, tool -path block upper end is fixedly connected with cutter fixing seat through telescopic link.

[0004] The numerical control lathe has the following shortcomings: although the hinged structure is convenient to dismount, it will be loose after being dismounted and mounted for many times, which affects the positioning accuracy of tool -path block, if the hinge point is worn or loose, it will cause the position deviation of cutter in the machining process, affects the machining accuracy, and frequent dismounting and mounting will increase the maintenance workload, and it needs to be recalibrated and adjusted after each time of dismounting and mounting, to ensure the positioning accuracy of cutter, thereby additional time and manpower are needed, and the working efficiency of numerical control lathe is reduced.

[0005] For the problems in the related art, no effective solution has been proposed so far. UTILITY MODEL CONTENTS

[0006] In view of the problems in the related art, the utility model provides a precision numerical control lathe convenient to switch tool -path mechanism to overcome the above technical problems existing in the prior art.

[0007] Therefore, the utility model adopts the specific technical scheme as follows:

[0008] The utility model provides a kind of precision CNC lathe facilitating switching tool rest mechanism, including numerical control lathe main body, the inside one end side wall of numerical control lathe main body is provided with triangular chuck, the inside bottom of numerical control lathe main body is provided with tool rest assembly, the bottom of tool rest assembly is provided with shell, one end side wall of shell is provided with connecting column, the outer wall of one end of numerical control lathe main body is provided with electric telescopic handle, and the telescopic end of electric telescopic handle is connected with connecting column by connecting component, the inside of shell is provided with switching assembly matched with tool rest assembly, and the one end side wall of numerical control lathe main body is provided with control panel.

[0009] Further, to under the action of tool rest assembly, by electric telescopic rod telescopic, so that tool is accurately moved in transverse, and under the action of tool rest slide rail, tool rest slide groove and tool rest slide plate, ensure the positioning accuracy of tool in the process of moving, to realize the accurate machining of workpiece, ensure the precision and efficiency of the precision CNC lathe processing, tool rest assembly includes the tool rest slide rail that is set in the inside bottom of numerical control lathe main body both sides symmetry, the top of tool rest slide rail is all provided with tool rest slide groove, and the top of tool rest slide rail and located inside tool rest slide groove is provided with tool rest slide plate, and the top of tool rest slide plate is provided with tool holder matched with switching assembly, and one end side wall of tool holder is provided with turret tool holder matched with triangular chuck.

[0010] Further, to under the action of connecting component, flexible disassembly and connection between electric telescopic rod and tool rest assembly can be realized, to realize the maintenance and replacement of tool rest slide plate and tool rest slide rail, avoid tool rest slide plate and tool rest slide rail wear and cause loss for long time work, to improve the working efficiency of the precision CNC lathe processing, connecting component includes connecting barrel between connecting column and the telescopic end of electric telescopic rod, and the side of connecting barrel is provided with mounting hole, and the top and bottom of connecting barrel are all provided with slide groove, one of the inside of slide groove is provided with sliding block one, and the inside of another slide groove is provided with sliding block two, the top of sliding block one is provided with limiting slot, the top of sliding block one and located in the middle part of limiting slot is provided with perforation, the top of sliding block two is provided with threaded hole, the both end side walls of sliding block one and sliding block two are all provided with arc limiting slot, and the both end side walls of sliding block one and sliding block two are all provided with limiting slide groove away from arc limiting slot, the both end side walls of the inside top and inside bottom of slide groove are symmetrically provided with limiting slide block matched with limiting slide groove, and the threaded hole is provided with bolt matched with threaded hole between sliding block one and sliding block two.

[0011] Further, in order to realize the convenient switching of the tool feeding assembly under the action of the switching assembly, avoid the loosening phenomenon of the tool feeding assembly after multiple disassembly and assembly, affect the positioning accuracy of the tool feeding slide, cause the position deviation of the tool in the machining process, affect the machining precision, increase the additional time and manpower, thereby improve the machining precision of the precision numerical control lathe, and the adaptability is wider, the switching assembly comprises a fixed plate arranged at the bottom end of the shell, stand columns are arranged at the two sides of the top end of the fixed plate, a lifting block is arranged between the stand columns, a vertical plate is arranged at one end of the top of the fixed plate, a servo motor is arranged in the sidewall of one end of the top of the vertical plate in a penetrating mode, a rotating rod is connected to the output shaft of the servo motor, a round rod is arranged in the sidewall of one end of the top of the rotating rod, a limiting groove is formed in the sidewall of one end of the stand column close to the lifting block, vertical rods are arranged in the sidewall of one end of the top of the lifting block in a penetrating mode, the top of the vertical rods is provided with pressing plates matched with the two sides of the tool fixing seat, and a moving groove matched with the round rod is formed in the sidewall of one end of the lifting block.

[0012] The utility model discloses the beneficial effects are:

[0013] 1, the utility model discloses simple structure is reliable, easy operation, the workpiece is placed in the fixing of triangular chuck during processing, then starts triangular chuck rotation, at this moment, through electric telescopic link extension drive tool feeding assembly moves to the place of triangular chuck, and utilize the tool of turret tool holder to carry out the cutting work to the workpiece in triangular chuck, when needing switching tool feeding assembly, then start switching assembly and remove the fixing of tool fixing seat, and take out turret tool holder, and through the reverse operation of electric telescopic link, tool feeding assembly removes to new position, ensures that new tool or tool feeding slide can correctly aim at workpiece and processes.

[0014] 2, through setting up tool feeding assembly, when needing to carry out tool feeding work, through control panel and start electric telescopic link work, under the action of electric telescopic link, then through connecting component and drive connecting column movement, under the action of connecting column, then drive shell movement, shell movement then drive tool feeding slide moves in tool feeding groove horizontally, at this moment, tool feeding slide then drive tool fixing seat and turret tool holder move horizontally, when turret tool holder moves to the position of workpiece fixed in triangular chuck, can start turret tool holder and process workpiece through tool, ensure the positioning accuracy of tool in the movement process, thereby realize the accurate processing of workpiece, ensure the precision and efficiency of the precision numerical control lathe processing.

[0015] 3、By setting the connecting assembly, when the electric telescopic rod needs to be connected with the connecting column, the telescopic end of the electric telescopic rod is inserted into the mounting hole at one end of the connecting barrel, and then one end of the connecting column is inserted into the mounting hole at the other side of the connecting barrel, when the telescopic end of the electric telescopic rod and one end of the connecting column are both in contact with the arc-shaped limiting groove, the bolt is screwed clockwise under the action of the threaded hole, the slider two and the slider one are driven to move inward under the cooperation of the limiting sliding groove and the limiting slider, the arc-shaped surface of the arc-shaped limiting groove clamps the circumferential outer wall of the telescopic end of the electric telescopic rod and one end of the connecting column, and the connection between the electric telescopic rod and the connecting column is realized. Conversely, if the electric telescopic rod needs to be detached from the connecting column, the bolt is counterclockwise screwed under the action of the threaded hole, the slider two and the slider one are driven to move outward under the cooperation of the limiting sliding groove and the limiting slider, the arc-shaped surface of the arc-shaped limiting groove is away from the circumferential outer wall of the telescopic end of the electric telescopic rod and one end of the connecting column, and the electric telescopic rod and the connecting column can be detached, so that the electric telescopic rod and the tool changing assembly can be flexibly detached and connected, the tool changing slide plate and the tool changing slide rail can be maintained and replaced, wear and loss caused by long-time work of the tool changing slide plate and the tool changing slide rail are avoided, and the working efficiency of the precision numerical control lathe is improved.

[0016] 4、By setting the switching assembly, when the tool holder needs to be fixed, the output shaft of the servo motor drives the rotating rod to rotate forward, so that the rotating rod rotates around the output shaft of the servo motor, thereby driving the circular rod to move in a ring shape, then under the cooperation of the limiting groove and the lifting block, the lifting block is driven to move downward, thereby under the action of the lifting block, the vertical rod is driven to move downward, and the vertical rod moving downward drives the pressing plate to move downward, when the pressing plate contacts the bottom of the two sides of the tool holder, the fixing effect of the tool holder is realized, conversely, if the tool changing assembly needs to be switched, the output shaft of the servo motor drives the rotating rod to reverse, so that the rotating rod rotates around the output shaft of the servo motor, thereby driving the circular rod to move in a ring shape, then under the cooperation of the limiting groove and the lifting block, the lifting block is driven to move upward, thereby under the action of the lifting block, the vertical rod is driven to move upward, and the vertical rod moving upward drives the pressing plate to move upward, when the pressing plate is away from the bottom of the two sides of the tool holder, the fixing effect of the tool holder is released, and the convenient switching of the tool changing assembly is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained based on these drawings without creative labor.

[0018] Figure 1 is a perspective view of a precision numerical control lathe with a tool walking mechanism convenient to switch according to an embodiment of the present application;

[0019] Figure 2 is a sectional view of a precision numerical control lathe with a tool walking mechanism convenient to switch according to an embodiment of the present application;

[0020] Figure 3 is Figure 2 is a local enlarged view of A in FIG.

[0021] Figure 4 is a structural schematic view of a tool walking assembly in a precision numerical control lathe with a tool walking mechanism convenient to switch according to an embodiment of the present application;

[0022] Figure 5 is a sectional view of a tool walking assembly in a precision numerical control lathe with a tool walking mechanism convenient to switch according to an embodiment of the present application;

[0023] Figure 6 is a structural schematic view of a connecting assembly in a precision numerical control lathe with a tool walking mechanism convenient to switch according to an embodiment of the present application;

[0024] Figure 7 is an assembly view of a connecting assembly in a precision numerical control lathe with a tool walking mechanism convenient to switch according to an embodiment of the present application;

[0025] Figure 8 is a structural schematic view of a switching assembly in a precision numerical control lathe with a tool walking mechanism convenient to switch according to an embodiment of the present application.

[0026] In the drawings:

[0027] 1, numerical control lathe main body; 2, triangular chuck; 3, tool feeding assembly; 301, tool feeding slide rail; 302, tool feeding slide groove; 303, tool feeding slide plate; 304, tool holder; 305, turret tool holder; 4, shell; 5, connecting column; 6, electric telescopic rod; 7, connecting assembly; 701, connecting barrel; 702, mounting hole; 703, slide groove; 704, sliding block one; 705, sliding block two; 706, limiting groove; 707, perforation; 708, threaded hole; 709, arc limiting groove; 7010, limiting slide groove; 7011, limiting sliding block; 7012, bolt; 8, switching assembly; 801, fixed plate; 802, vertical column; 803, lifting block; 804, vertical plate; 805, servo motor; 806, rotating rod; 807, round rod; 808, limiting groove; 809, vertical rod; 8010, pressing plate; 8011, moving groove; 9, control panel. DETAILED DESCRIPTION

[0028] To further illustrate the embodiments, the utility model provides the drawings, these drawings are part of the utility model disclosure, it mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operating principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0029] According to the embodiment of the utility model, a precision numerical control lathe with tool feeding mechanism switching convenience is provided.

[0030] The utility model will be further illustrated by combining with the drawings and specific embodiments, as Figures 1-8 The precision numerical control lathe with tool feeding mechanism switching convenience according to the embodiment of the utility model, including numerical control lathe main body 1, the inside one end side wall of numerical control lathe main body 1 is provided with triangular chuck 2, the inner bottom of numerical control lathe main body 1 is provided with tool feeding assembly 3, the bottom of tool feeding assembly 3 is provided with shell 4, one end side wall of shell 4 is provided with connecting column 5, one end outer wall of numerical control lathe main body 1 is provided with electric telescopic rod 6, and the telescopic end of electric telescopic rod 6 is connected with connecting column 5 through connecting assembly 7, the inside of shell 4 is provided with switching assembly 8 matched with tool feeding assembly 3, and one end side wall of numerical control lathe main body 1 is provided with control panel 9.

[0031] In addition, the working principle and structure of numerical control lathe main body 1, triangular chuck 2, electric telescopic rod 6, turret tool holder 305, servo motor 805 and tool holder 304 are all prior art, which will not be described here.

[0032] In one embodiment, for the above-mentioned tool walking assembly 3, the tool walking assembly 3 comprises tool walking rails 301 arranged symmetrically on both sides of the bottom of the numerical control lathe body 1, the top end of each tool walking rail 301 is provided with a tool walking sliding groove 302, and the top end of each tool walking rail 301 and inside the tool walking sliding groove 302 is provided with a tool walking sliding plate 303, the top end of the tool walking sliding plate 303 is provided with a tool fixing seat 304 matched with the switching assembly 8, one end of the tool fixing seat 304 is provided with a turret tool rest 305 matched with the triangular chuck 2, so that under the action of the tool walking assembly 3, the electric telescopic rod 6 is telescoped to make the tool move accurately in the transverse direction, and under the action of the tool walking rail 301, the tool walking sliding groove 302 and the tool walking sliding plate 303, the positioning accuracy of the tool in the moving process is ensured, so as to realize the accurate machining of the workpiece and ensure the machining accuracy and efficiency of the precision numerical control lathe.

[0033] The specific working principle of the tool walking assembly 3 is as follows: when the tool walking work is needed, the electric telescopic rod 6 is started to work through the control panel 9, under the action of the electric telescopic rod 6, the connecting column 5 is driven to move through the connecting assembly 7, under the action of the connecting column 5, the shell 4 is driven to move, the shell 4 moves to drive the tool walking sliding plate 303 to move horizontally in the tool walking sliding groove 302, at this time, the tool walking sliding plate 303 drives the tool fixing seat 304 and the turret tool rest 305 to move horizontally, when the turret tool rest 305 moves to the position of the workpiece fixed in the triangular chuck 2, the turret tool rest 305 can be started to machine the workpiece through the tool, the positioning accuracy of the tool in the moving process is ensured, so as to realize the accurate machining of the workpiece and ensure the machining accuracy and efficiency of the precision numerical control lathe.

[0034] In one embodiment, for the above-mentioned connecting assembly 7, the connecting assembly 7 comprises a connecting cylinder 701 arranged between the connecting column 5 and the telescopic end of the electric telescopic rod 6, a mounting hole 702 is provided on one side of the connecting cylinder 701, and a sliding groove 703 is provided on the top and bottom of the connecting cylinder 701. One of the sliding grooves 703 is internally provided with a sliding block one 704, and the other is internally provided with a sliding block two 705. The top end of the sliding block one 704 is provided with a limiting slot 706, the top end of the sliding block one 704 and the middle part of the limiting slot 706 are provided with a through hole 707, the top end of the sliding block two 705 is provided with a threaded hole 708, the two end side walls of the sliding block one 704 and the sliding block two 705 are provided with an arc-shaped limiting slot 709, and the two end side walls of the sliding block one 704 and the sliding block two 705, away from the arc-shaped limiting slot 709, are provided with a limiting sliding groove 7010. The inner top and bottom of the sliding groove 703 are symmetrically provided with limiting sliding blocks 7011 matched with the limiting sliding groove 7010. The sliding block one 704 and the sliding block two 705 are provided with a bolt 7012 matched with the threaded hole 708, so that under the action of the connecting assembly 7, the flexible disassembly and connection between the electric telescopic rod 6 and the tool changing assembly 3 can be realized, thereby realizing the maintenance and replacement of the tool changing slide plate 303 and the tool changing slide rail 301, avoiding the loss caused by the wear of the tool changing slide plate 303 and the tool changing slide rail 301 due to long-time work, and further improving the working efficiency of the precision numerical control lathe machining.

[0035] The specific working principle of the connecting assembly 7 is as follows: when it is required to connect the electric telescopic rod 6 and the connecting column 5, the telescopic end of the electric telescopic rod 6 is inserted into the mounting hole 702 at one end of the connecting barrel 701, and then one end of the connecting column 5 is inserted into the mounting hole 702 at the other side of the connecting barrel 701, when the telescopic end of the electric telescopic rod 6 and one end of the connecting column 5 are both in contact with the arc-shaped limiting slot 709, the bolt 7012 is screwed clockwise under the action of the threaded hole 708, the sliding block two 705 and the sliding block one 704 are driven to move inward under the cooperation of the limiting sliding slot 7010 and the limiting sliding block 7011, the arc-shaped surface of the arc-shaped limiting slot 709 clamps the circumferential outer wall of the telescopic end of the electric telescopic rod 6 and one end of the connecting column 5, and the connection between the electric telescopic rod 6 and the connecting column 5 is realized; conversely, when it is required to disassemble the electric telescopic rod 6 and the connecting column 5, the bolt 7012 is screwed counterclockwise under the action of the threaded hole 708, the sliding block two 705 and the sliding block one 704 are driven to move outward under the cooperation of the limiting sliding slot 7010 and the limiting sliding block 7011, the arc-shaped surface of the arc-shaped limiting slot 709 is away from the circumferential outer wall of the telescopic end of the electric telescopic rod 6 and one end of the connecting column 5, and the electric telescopic rod 6 and the connecting column 5 can be disassembled, so that the flexible disassembly and connection between the electric telescopic rod 6 and the tool changing assembly 3 can be realized, the maintenance and replacement of the tool changing slide plate 303 and the tool changing slide rail 301 can be realized, the wear of the tool changing slide plate 303 and the tool changing slide rail 301 caused by long-time work is avoided, and the working efficiency of the precision numerical control lathe is improved.

[0036] In one embodiment, for the above-mentioned switching assembly 8, the switching assembly 8 comprises a fixed plate 801 arranged at the bottom end in the housing 4, and vertical columns 802 are arranged on both sides of the top end of the fixed plate 801, a lifting block 803 is arranged between the vertical columns 802, a vertical plate 804 is arranged at one end of the top of the fixed plate 801, a servo motor 805 is arranged through the sidewall at one end of the top of the vertical plate 804, a rotating rod 806 is connected to the output shaft of the servo motor 805, a round rod 807 is arranged on the sidewall at one end of the top of the rotating rod 806, a limiting slot 808 is formed on the sidewall of one end of the vertical column 802 close to the lifting block 803, vertical rods 809 are arranged through the inner top of the tool changing slide plate 303 on the top of the lifting block 803, pressing plates 8010 are arranged on the top of the vertical rods 809 and are matched with both sides of the tool holder 304, and a moving slot 8011 matched with the round rod 807 is formed on the sidewall of one end of the lifting block 803, so that the convenient switching of the tool changing assembly 3 can be realized under the action of the switching assembly 8, the loosening of the tool changing assembly 3 after multiple disassembly and assembly is avoided, the positioning accuracy of the tool changing slide plate 303 is not affected, the position deviation of the tool in the machining process is avoided, the machining precision is affected, the additional time and manpower are increased, the accuracy of the precision numerical control lathe is improved, and the adaptability is wider.

[0037] The specific working principle of the switching assembly 8 is as follows: when the tool fixing seat 304 needs to be fixed, the output shaft of the servo motor 805 drives the rotating rod 806 to rotate forward, so that the rotating rod 806 rotates around the output shaft of the servo motor 805, thereby driving the circular rod 807 to move in a ring shape, then the lifting block 803 is driven to move downward under the cooperation of the limiting groove 808 and the lifting block 803, thereby driving the vertical rod 809 to move downward under the action of the lifting block 803, and the vertical rod 809 moves downward to drive the pressing plate 8010 to move downward, so that the tool fixing seat 304 is fixed, and vice versa, if the tool changing assembly 3 needs to be switched, the output shaft of the servo motor 805 drives the rotating rod 806 to rotate reversely, so that the rotating rod 806 rotates around the output shaft of the servo motor 805, thereby driving the circular rod 807 to move in a ring shape, then the lifting block 803 is driven to move upward under the cooperation of the limiting groove 808 and the lifting block 803, thereby driving the vertical rod 809 to move upward under the action of the lifting block 803, and the vertical rod 809 moves upward to drive the pressing plate 8010 to move upward, so that the tool fixing seat 304 is released from the fixing, and the tool changing assembly 3 is conveniently switched.

[0038] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail below.

[0039] In actual application, first, the workpiece is placed in the triangular chuck 2 for fixation, then the triangular chuck 2 is started to rotate, at this time, the electric telescopic rod 6 is started to extend by the control panel 9 to drive the tool changing assembly 3 to move to the triangular chuck 2, and the tool on the turret tool holder 305 is used to cut the workpiece in the triangular chuck 2, when the tool changing assembly 3 needs to be switched, the switching assembly 8 is started by the control panel 9 to release the fixation of the tool fixing seat 304, the tool fixing seat 304 and the turret tool holder 305 are taken out, and the tool changing assembly 3 is moved to a new position by the reverse operation of the electric telescopic rod 6, so that the new tool or the tool changing slide plate 303 can be correctly aligned with the workpiece for machining. At this time, the operator can reinstall the new tool or replace the tool changing assembly according to the machining requirement, and under the action of the connecting assembly 7, the electric telescopic rod 6 and the tool changing assembly 3 can be flexibly detached and connected, so that the tool changing slide plate 303 and the tool changing slide rail 301 can be maintained and replaced, thereby avoiding the abrasion of the tool changing slide plate 303 and the tool changing slide rail 301 caused by long-time work, and the working efficiency of the precision numerical control lathe is improved, and the applicability is wider.

[0040] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication or the interaction relationship of two elements inside two elements, unless another definite limitation, for the ordinary skill in the art, can understand the specific meaning of the above-mentioned term in the utility model according to the specific situation.

[0041] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A precision CNC lathe with easy switching of tool changing mechanism comprising of CNC lathe main body (1), characterized in that, One end side wall of the inside of the numerical control lathe body (1) is provided with a triangular chuck (2), the bottom of the numerical control lathe body (1) is provided with a knife walking assembly (3), the bottom of the knife walking assembly (3) is provided with a shell (4), one end side wall of the shell (4) is provided with a connecting column (5); One end outer wall of the numerical control lathe body (1) is provided with an electric telescopic rod (6), the telescopic end of the electric telescopic rod (6) is connected with the connecting column (5) through a connecting assembly (7), the inside of the shell (4) is provided with a switching assembly (8) matched with the knife walking assembly (3), one end side wall of the numerical control lathe body (1) is provided with a control panel (9).

2. The precision CNC lathe with easy switching tool-removing mechanism according to claim 1, characterized in that, The knife walking assembly (3) includes two symmetrical knife walking rails (301) arranged on the inside bottom of the numerical control lathe body (1), the top of the knife walking rail (301) is provided with a knife walking groove (302), and the top of the knife walking rail (301) and inside the knife walking groove (302) are provided with a knife walking plate (303); The top of the knife walking plate (303) is provided with a tool fixing seat (304) matched with the switching assembly (8), and one end side wall of the tool fixing seat (304) is provided with a turret tool holder (305) matched with the triangular chuck (2).

3. The precision CNC lathe with easy switching tool rest mechanism as claimed in claim 2 wherein, The connecting assembly (7) includes a connecting barrel (701) arranged between the connecting column (5) and the telescopic end of the electric telescopic rod (6), one side of the connecting barrel (701) is provided with a mounting hole (702), the top and bottom of the connecting barrel (701) are provided with sliding grooves (703), one of the sliding grooves (703) is provided with a sliding block one (704), and the other sliding groove (703) is provided with a sliding block two (705).

4. The precision CNC lathe with easy switching tool rest mechanism as claimed in claim 3 wherein, The top of the sliding block one (704) is provided with a limiting groove (706), the top of the sliding block one (704) and the middle part of the limiting groove (706) are provided with a through hole (707), and the top of the sliding block two (705) is provided with a threaded hole (708).

5. The precision CNC lathe with easy switching tool rest mechanism as claimed in claim 4 wherein, The two end side walls of the sliding block one (704) and the sliding block two (705) are provided with arc limiting grooves (709), and the two end side walls of the sliding block one (704) and the sliding block two (705) away from the arc limiting grooves (709) are provided with limiting sliding grooves (7010); The inner top and bottom of the sliding groove (703) are provided with limiting sliding blocks (7011) matched with the limiting sliding grooves (7010), and the sliding block one (704) and the sliding block two (705) are provided with a bolt (7012) matched with the threaded hole (708).

6. The precision CNC lathe with easy switching tool rest mechanism as claimed in claim 5 wherein, The switching assembly (8) includes a fixed plate (801) arranged at the bottom of the shell (4), and the two sides of the top of the fixed plate (801) are provided with stand columns (802), and the stand columns (802) are provided with a lifting block (803). The top end of the fixed plate (801) is provided with a vertical plate (804), the top end of the vertical plate (804) is provided with a servo motor (805) penetrating through the side wall, the output shaft of the servo motor (805) is connected with a rotating rod (806), and the top end of the rotating rod (806) is provided with a round rod (807).

7. The precision CNC lathe with easy switching tool rest mechanism as claimed in claim 6 wherein, The side wall of one end of the vertical column (802) is provided with a limiting groove (808) close to the lifting block (803), and the top end of the lifting block (803) is provided with a vertical rod (809) penetrating through the inner top end of the tool sliding plate (303); The top end of the vertical rod (809) is provided with a pressing plate (8010) matched with the two sides of the tool fixing seat (304), and the side wall of one end of the lifting block (803) is provided with a moving groove (8011) matched with the round rod (807).

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