A multi-axis turning machine tool for machining

Abstract

The present invention provides a multi-axis turning machine tool for mechanical processing, which relates to the technical field of mechanical processing, and comprises: a base, wherein two groups of side blocks are fixedly arranged on the top rear side of the base; a vertical frame is fixedly arranged in the middle of the top front end of the base; a gear condition is fixedly arranged on the top left front side of the base; a fixed seat, wherein the fixed seat is fixedly arranged on the middle front side of the two groups of side blocks. According to the internal ratchet gear and the gear condition of each embodiment of the present invention, a reversing control structure with rapid automatic control is provided. During the movement of the lifting seat, the gear condition causes the internal ratchet gear to rotate, thereby driving the hexagonal telescopic rod and the intermediate rotating shaft to rotate, and the locking ring and the mounting plate rotate synchronously for half a circle to adjust the turning position. At this time, the turning tool can be moved to turn the inside of the sleeve. The limiting function of automatic control is realized by switching, thereby solving the problem that the existing machine tools lack a reversing control structure with rapid automatic control.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical processing, and in particular to a multi-axis turning machine tool for mechanical processing. Background Art

[0002] During mechanical processing, machine tools are needed to turn the accessories, and turning tools are needed to turn the rotating workpieces. It is mainly used to process shafts, discs, sleeves and other rotating or non-rotating workpieces with rotating surfaces. It is the most widely used type of machine tool processing in mechanical manufacturing and repair factories.

[0003] However, the turning machine tools currently used are mainly used for processing single-sided shaft parts. When turning the inner and outer assembly grooves of the axle sleeve, the outer side needs to be processed separately, and then the unit is changed for internal processing. There is a lack of a reversing control structure that can be quickly and automatically controlled, which is not conducive to the rapid turning of accessories. Summary of the invention

[0004] In view of this, the present invention provides a multi-axis turning machine tool for mechanical processing, which has a rotating tooling that provides an assembly and fixing function and can maintain a rotating effect after being controlled.

[0005] The present invention provides a multi-axis turning machine tool for mechanical processing, which specifically comprises: a base, wherein two groups of side blocks are fixedly arranged on the top rear side of the base; a vertical frame is fixedly arranged in the middle of the top front end of the base; a gear condition is fixedly arranged on the top left front side of the base; a fixed seat, wherein the fixed seat is fixedly arranged on the middle front side of the two groups of side blocks; an assembly slide, wherein the assembly slide is fixedly arranged on the rear side of the fixed seat; a rotating tool, wherein the main body of the rotating tool is a T-shaped structure, and the rear end of the rotating tool cooperates with two groups of airtight bearings to be rotatably arranged in the middle of the fixed seat; and an assembly slide. An assembled slide seat, the assembled slide seat is slidably arranged on the top of the base in cooperation with the guide rail; two groups of vertical guide rods are fixedly arranged on the top of the assembled slide seat; a lifting seat, the lifting seat is slidably arranged outside the two groups of vertical guide rods, and an L-shaped top plate is fixedly arranged on the top of the vertical guide rod; an intermediate rotating shaft, the intermediate rotating shaft is rotatably arranged in the middle of the lifting seat; a hexagonal telescopic rod, the hexagonal telescopic rod is rotatably arranged between the L-shaped top plate and the lifting seat; the bottom of the hexagonal telescopic rod is connected to the intermediate rotating shaft by a bevel gear transmission; an air cylinder, the air cylinder is fixedly arranged on the front side of the vertical frame.

[0006] Optionally, the fixed seat includes: a shift control screw, the rear end of the shift control screw is rotatably set in the fixed seat, and the front end of the shift control screw is rotatably set in the vertical frame; a transmission motor A, the transmission motor A is fixedly set on the rear side of the fixed seat, and the transmission motor A is transmission-connected to the shift control screw; a bidirectional pump, the top of the fixed seat is fixedly set with a bidirectional pump.

[0007] Optionally, the assembly slide includes: a push-control screw, the top middle of the assembly slide is a slide structure, and a push-control screw is rotatably arranged in the slide structure; a motor slide, a motor slide is slidably arranged at the top of the assembly slide, the motor slide is threadedly connected to the push-control screw, and the top two sides of the motor slide cooperate with guide rails to slide on the top of the two groups of side blocks; a transmission motor B, and a transmission motor B is fixedly arranged on the rear side of the motor slide.

[0008] Optionally, the rotating tooling includes: strip air holes, which are opened on the outer rear side of the rotating tooling; a rotating sleeve, which is fixedly provided on the front end of the rotating tooling; a gas telescopic rod A, which is integrally provided on the outside of the rotating sleeve, the telescopic end of the gas telescopic rod A is located inside the rotating sleeve, and is fixedly provided with a clamping block; an octagonal shaft, which slides in the middle of the rotating tooling, and a depth control plate is fixedly provided on the front end of the octagonal shaft, and the transmission motor B is transmission-connected to the octagonal shaft.

[0009] Optionally, the assembly slide also includes: a lifting electric cylinder, a lifting electric cylinder is hingedly arranged on the top of the assembly slide, a top end of the lifting electric cylinder is hingedly arranged on the bottom of the lifting seat, and the lifting electric cylinder is inclined.

[0010] Optionally, the lifting seat further comprises: corners, which are integrally provided at the front ends of both sides of the lifting seat; gas telescopic rods B, which are fixedly provided on adjacent surfaces of the corners on both sides, and side plug blocks are fixedly provided at the telescopic ends of the gas telescopic rods B.

[0011] Optionally, the intermediate rotating shaft includes: a locking ring, which is fixedly provided on the outside of the intermediate rotating shaft and can be matched and plugged with the side plug blocks on both sides; an installation disk, which is fixedly provided on the rear end of the intermediate rotating shaft, and a tool holder is eccentrically installed on the rear side of the installation disk, and a turning tool is fixedly provided on one side of the rear end of the tool holder.

[0012] Optionally, the hexagonal telescopic rod includes: an internal ratchet gear, and the internal ratchet gear is fixedly arranged on the top of the hexagonal telescopic rod, and the internal ratchet gear is meshed with the gear condition; when the internal ratchet gear moves backward, the hexagonal telescopic rod rotates.

[0013] Optionally, the air cylinder comprises: a sliding piston rod, which is slidably arranged in a vertical frame, a piston plate is fixedly arranged at the front end of the sliding piston rod, the piston plate is slidably arranged in the air cylinder, and a spring is arranged at the front end of the piston plate; an air regulating hole is opened at the front end of the air cylinder.

[0014] Beneficial Effects

[0015] According to the internal ratchet gear and tooth condition of each embodiment of the present invention, a fast and automated control reversing control structure is provided. During the movement of the lifting seat, the tooth condition causes the internal ratchet gear to rotate, thereby driving the hexagonal telescopic rod and the intermediate rotating shaft to rotate, and the locking ring and the mounting plate rotate half a circle synchronously to adjust the turning position. At this time, the turning tool can be moved to turn the inside of the sleeve, and the automatic control limiting function is realized by switching.

[0016] In addition, the setting of the octagonal shaft provides the function of limiting the installation depth of the accessories. The outside air or hydraulic oil is input into the strip air hole through the fixing seat by using a two-way pump to draw air. The gas telescopic rod A and the clamp are stretched out to fix the accessories in the center to complete the locking. In this process, the motor slide is pushed forward by threaded transmission, and then the octagonal shaft and the depth control plate are pushed forward, which can limit the installation position of the shaft kit. The operation is convenient and easy to adjust.

[0017] In addition, the setting of the hexagonal telescopic rod can ensure that no matter what the height of the lifting seat is, the cooperation of the internal ratchet gear and the tooth condition can control the rotation of the intermediate rotating shaft. Through the multi-axis operation of the octagonal shaft, the intermediate rotating shaft and the hexagonal telescopic rod, CNC machining is realized in conjunction with the control of the CNC machine tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0019] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0020] In the attached picture:

[0021] Figure 1 A schematic diagram of a three-dimensional structure according to an embodiment of the present invention is shown;

[0022] Figure 2 It shows an axonometric structural schematic diagram according to an embodiment of the present invention;

[0023] Figure 3 A partial cross-sectional structural schematic diagram according to an embodiment of the present invention is shown;

[0024] Figure 4 A partial three-dimensional structural schematic diagram according to an embodiment of the present invention is shown;

[0025] Figure 5 A schematic diagram of the transmission structure of the assembly slideway according to an embodiment of the present invention is shown;

[0026] Figure 6 A schematic diagram of the three-dimensional structure of a rotary tooling according to an embodiment of the present invention is shown;

[0027] Figure 7 A schematic diagram of a three-dimensional disassembly structure of a rotary tooling according to an embodiment of the present invention is shown;

[0028] Figure 8 A schematic diagram of a local enlarged structure of A according to an embodiment of the present invention is shown.

[0029] Reference numerals list

[0030] 1. Base; 101. Side block; 102. Vertical frame; 103. Gear condition; 2. Fixed seat; 201. Shifting screw; 202. Transmission motor A; 203. Bidirectional pump; 3. Assembly slide; 301. Pushing screw; 302. Motor slide; 303. Transmission motor B; 4. Rotating tooling; 401. Strip air hole; 402. Rotating sleeve; 403. Air telescopic rod A; 404. Clamping block; 405. Octagonal shaft; 406, depth control plate; 5, assembly slide; 501, vertical guide rod; 502, L-shaped top plate; 503, lifting cylinder; 6, lifting seat; 601, corner; 602, gas telescopic rod B; 603, side insert; 7, intermediate shaft; 701, locking ring; 702, mounting plate; 703, tool holder; 8, hexagonal telescopic rod; 801, inner ratchet gear; 9, air cylinder; 901, sliding piston rod; 902, piston plate. DETAILED DESCRIPTION

[0031] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0032] Example: Please refer to Figures 1 to 8 :

[0033] The present invention proposes a multi-axis turning machine tool for mechanical processing, comprising: a base 1, two groups of side blocks 101 are fixedly arranged on the top rear side of the base 1; a vertical frame 102 is fixedly arranged in the middle of the top front end of the base 1; a gear condition 103 is fixedly arranged on the top left front side of the base 1; a fixed seat 2, the fixed seat 2 is fixedly arranged on the middle front side of the two groups of side blocks 101; an assembly slide 3, the assembly slide 3 is fixedly arranged on the rear side of the fixed seat 2; a rotating tool 4, the main body of the rotating tool 4 is a T-shaped structure, and the rear end of the rotating tool 4 cooperates with two groups of airtight bearings to be rotatably arranged in the middle of the fixed seat 2; an assembly slide 5, The assembly slide 5 is slidably arranged on the top of the base 1 in cooperation with the guide rail; two groups of vertical guide rods 501 are fixedly arranged on the top of the assembly slide 5; the lifting seat 6 is slidably arranged outside the two groups of vertical guide rods 501, and an L-shaped top plate 502 is fixedly arranged on the top of the vertical guide rod 501; the intermediate rotating shaft 7 is rotatably arranged in the middle of the lifting seat 6; the hexagonal telescopic rod 8 is rotatably arranged between the L-shaped top plate 502 and the lifting seat 6; the bottom of the hexagonal telescopic rod 8 is connected to the intermediate rotating shaft 7 by a bevel gear transmission; the air cylinder 9 is fixedly arranged on the front side of the vertical frame 102.

[0034] In addition, according to an embodiment of the present invention, reference Figure 2 and Figure 5 The fixed seat 2 includes: a shifting screw 201, the rear end of which is rotatably arranged in the fixed seat 2, and the front end of which is rotatably arranged in the vertical frame 102; a transmission motor A202, a transmission motor A202 is fixedly arranged on the rear side of the fixed seat 2, and the transmission motor A202 is transmission-connected to the shifting screw 201; a bidirectional pump 203, a bidirectional pump 203 is fixedly arranged on the top of the fixed seat 2, and the bidirectional pump 203 is connected to the interior of the fixed seat 2.

[0035] In addition, according to an embodiment of the present invention, reference Figure 5 The assembly slide 3 includes: a push-control screw 301, the top middle of the assembly slide 3 is a slide structure, and the push-control screw 301 is rotatably arranged in the slide structure; a motor slide 302, the top of the assembly slide 3 is slidably arranged with a motor slide 302, the motor slide 302 is threadedly connected with the push-control screw 301, and the top two sides of the motor slide 302 cooperate with the guide rails to slide on the top of the two groups of side blocks 101; a transmission motor B303, the rear side of the motor slide 302 is fixedly provided with a transmission motor B303.

[0036] In addition, according to an embodiment of the present invention, reference Figure 6The rotary tooling 4 includes: a strip-shaped air hole 401, which is provided on the rear side of the rotary tooling 4; a rotating sleeve 402, which is fixedly provided on the front end of the rotary tooling 4; a gas telescopic rod A403, which is integrally provided on the outside of the rotating sleeve 402, and the telescopic end of the gas telescopic rod A403 is located inside the rotating sleeve 402 and is fixedly provided with a clamping block 404; the strip-shaped air hole 401 is connected to the inside of the rotary tooling 4, and at the same time, the rotating tooling 4 An integrated air pipe is arranged outside the octagonal shaft 405 and is connected to each group of air telescopic rods A403; the octagonal shaft 405 slides in the middle of the rotating tooling 4, a depth control plate 406 is fixedly arranged at the front end of the octagonal shaft 405, and the transmission motor B303 is transmission-connected with the octagonal shaft 405, and the push-control screw 301 is rotated, and the motor slide 302 is pushed by the threaded transmission, thereby pushing the octagonal shaft 405 and the depth control plate 406, and the depth control plate 406 can be used to limit the installation position of the shaft kit.

[0037] In addition, according to an embodiment of the present invention, reference Figure 4 The assembly slide 5 also includes: a lifting electric cylinder 503. The lifting electric cylinder 503 is hingedly arranged on the top of the assembly slide 5. The top of the lifting electric cylinder 503 is hingedly arranged on the bottom of the lifting seat 6. The lifting electric cylinder 503 is tilted and provides a lifting function. By electronically controlling the extension and retraction of the lifting electric cylinder 503, the height of the lifting seat 6 can be adjusted, and then the movement trajectory of the turning tool outside the shaft kit can be adjusted to realize CNC turning.

[0038] In addition, according to an embodiment of the present invention, reference Figure 8 The lifting seat 6 also includes: a corner 601, which is integrally provided at the front ends of both sides of the lifting seat 6; a gas telescopic rod B602, which is fixedly provided on the adjacent surfaces of the corners 601 on both sides, and a side plug block 603 is fixedly provided at the telescopic end of the gas telescopic rod B602.

[0039] In addition, according to an embodiment of the present invention, reference Figure 4 The intermediate rotating shaft 7 includes: a locking ring 701, a locking ring 701 is fixedly provided on the outside of the intermediate rotating shaft 7, and the locking ring 701 can be matched and plugged with the side plug blocks 603 on both sides; a mounting plate 702, a mounting plate 702 is fixedly provided on the rear end of the intermediate rotating shaft 7, a tool holder 703 is eccentrically installed on the rear side of the mounting plate 702, a turning tool is fixedly provided on one side of the rear end of the tool holder 703, and the transmission motor A202 is started to drive the shifting control screw 201 to rotate, and the shifting control screw 201 cooperates with the threaded transmission to move the tool holder 703 backward, thereby realizing turning.

[0040] In addition, according to an embodiment of the present invention, reference Figure 4The hexagonal telescopic rod 8 includes: an inner ratchet gear 801, an inner ratchet gear 801 is fixedly arranged on the top of the hexagonal telescopic rod 8, and the inner ratchet gear 801 is meshed with the gear condition 103; when the inner ratchet gear 801 moves backward, the hexagonal telescopic rod 8 rotates, and the hexagonal telescopic rod 8 can ensure that no matter what the height of the lifting seat 6 is, the cooperation of the inner ratchet gear 801 and the gear condition 103 can control the rotation of the intermediate shaft 7.

[0041] In addition, according to an embodiment of the present invention, reference Figure 4 The air cylinder 9 includes: a sliding piston rod 901, which is slidably arranged in the vertical frame 102, a piston sheet 902 is fixedly arranged at the front end of the sliding piston rod 901, and the piston sheet 902 is slidably arranged in the air cylinder 9, and a spring is arranged at the front end of the piston sheet 902; an air regulating hole is opened at the front end of the air cylinder 9, and when the lifting seat 6 contacts and squeezes the sliding piston rod 901, the piston sheet 902 is pushed backward to squeeze out the air in the air cylinder 9.

[0042] Specific usage and function of this embodiment: In the present invention, when in use, the shaft kit is installed in the middle of the rotating sleeve 402, and the two-way pump 203 is started to pump air to input the outside air into the strip air hole 401 through the fixing seat 2; the strip air hole 401 is connected to the inside of the rotating tooling 4, and an integrated air pipe is arranged outside the rotating tooling 4 to communicate with each group of gas telescopic rods A403; then the air passes through the rotating tooling 4 and inputs the gas telescopic rod A403 through the integrated pipeline outside the gas telescopic rod A403, and the gas telescopic rod A403 is stretched open, and the fitting is fixed in the center by the clamping block 404 to complete the locking; if the fitting is too heavy, the two-way pump 203 can be rotated to connect the oil circuit for hydraulic control;

[0043] During this process, the push control screw 301 is rotated, and the motor slide 302 is pushed forward by thread transmission, thereby pushing the octagonal shaft 405 and the depth control plate 406, and the depth control plate 406 can be used to limit the installation position of the shaft kit;

[0044] Start the transmission motor B303 to drive the octagonal shaft 405 to rotate, and then the rotating tooling 4 drives the workpiece to rotate, achieving a continuous rotation effect;

[0045] The transmission motor A202 is started to drive the moving control screw 201 to rotate, and the moving control screw 201 cooperates with the thread transmission to move the tool holder 703 backward, thereby realizing turning. By electronically controlling the extension and retraction of the lifting cylinder 503, the height of the lifting seat 6 can be adjusted, thereby adjusting the movement trajectory of the turning tool outside the shaft kit to realize CNC turning;

[0046] When it is necessary to change sides automatically, the lifting seat 6 is directly moved backward. When the lifting seat 6 contacts and squeezes the sliding piston rod 901, the piston plate 902 is pushed backward to squeeze out the air in the air cylinder 9, and then the air in the gas telescopic rod B602 is extracted. The gas telescopic rod B602 contracts and the side insert block 603 is extracted. At this time, the lifting seat 6 is moved forward. During the movement of the lifting seat 6, the gear condition 103 causes the inner ratchet gear 801 to rotate, thereby driving the hexagonal telescopic rod 8 to rotate. The hexagonal telescopic rod 8 cooperates with the bevel gear to drive the intermediate shaft 7 to rotate half a circle, and the locking ring 701 and the mounting plate 702 rotate half a circle synchronously to adjust the turning position. At this time, the turning tool can be moved to turn the inside of the sleeve;

[0047] Through the multi-axis operation of the octagonal shaft 405, the intermediate rotating shaft 7 and the hexagonal telescopic rod 8, numerical control machining is achieved in coordination with the control of the numerical control machine tool.

[0048] The hexagonal telescopic rod 8 can ensure that no matter what the height of the lifting base 6 is, the cooperation between the inner ratchet gear 801 and the toothed member 103 can control the rotation of the intermediate shaft 7 .

[0049] Finally, it should be noted that when describing the position of each component and the matching relationship between them, the present invention usually takes one / a pair of components as an example. However, those skilled in the art should understand that such position, matching relationship, etc. are also applicable to other components / other pairs of components.

[0050] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A multi-axis turning machine tool for machining, characterized in that: include: A base (1), wherein two groups of side blocks (101) are fixedly arranged on the top rear side of the base (1); a vertical frame (102) is fixedly arranged in the middle of the top front end of the base (1); a gear condition (103) is fixedly arranged on the top left front side of the base (1); a fixed seat (2), wherein the fixed seat (2) is fixedly arranged on the middle front side of the two groups of side blocks (101); an assembly slide (3), wherein the assembly slide (3) is fixedly arranged on the rear side of the fixed seat (2); a rotating tool (4), wherein the main body of the rotating tool (4) is a T-shaped structure, and the rear end of the rotating tool (4) is rotatably arranged in the middle of the fixed seat (2) in cooperation with two groups of airtight bearings; an assembly slide (5), wherein the assembly slide (5) is slidably arranged on the top of the base (1) in cooperation with a guide rail; an assembly The top of the sliding seat (5) is fixedly provided with two groups of vertical guide rods (501); a lifting seat (6), the lifting seat (6) is slidably arranged outside the two groups of vertical guide rods (501), and the top of the vertical guide rod (501) is fixedly provided with an L-shaped top plate (502); an intermediate rotating shaft (7), the intermediate rotating shaft (7) is rotatably arranged in the middle of the lifting seat (6); a hexagonal telescopic rod (8), the hexagonal telescopic rod (8) is rotatably arranged between the L-shaped top plate (502) and the lifting seat (6); the bottom of the hexagonal telescopic rod (8) is connected to the intermediate rotating shaft (7) by a bevel gear transmission; an air cylinder (9), the air cylinder (9) is fixedly arranged on the front side of the vertical frame (102); the rotating tooling (4) comprises: a strip-shaped air hole (401), The rear side of the rotary tooling (4) is provided with a strip-shaped air hole (401); a rotating sleeve (402), the front end of the rotary tooling (4) is fixedly provided with the rotating sleeve (402); a gas telescopic rod A (403), the outside of the rotating sleeve (402) is integrally provided with the gas telescopic rod A (403), the telescopic end of the gas telescopic rod A (403) is located inside the rotating sleeve (402), and a clamping block (404) is fixedly provided; an octagonal shaft (405), the octagonal shaft (405) slides in the middle of the rotary tooling (4), the front end of the octagonal shaft (405) is fixedly provided with a depth control plate (406), and a transmission motor B (303) is transmission-connected to the octagonal shaft (405); the assembly slide (5) also includes: a lifting electric cylinder (503), an assembly slide (5) A lifting electric cylinder (503) is hingedly arranged at the top, and the top end of the lifting electric cylinder (503) is hingedly arranged at the bottom of the lifting seat (6), and the lifting electric cylinder (503) is tilted; the lifting seat (6) further comprises: a corner (601), and the front ends of both sides of the lifting seat (6) are integrally provided with the corners (601); a gas telescopic rod B (602), and the gas telescopic rod B (602) is fixedly arranged on the adjacent surfaces of the corners (601) on both sides, and the telescopic end of the gas telescopic rod B (602) is fixedly arranged with a side plug block (603); the intermediate rotating shaft (7) comprises: a locking ring (701), and the locking ring (701) is fixedly arranged on the outside of the intermediate rotating shaft (7), and the locking ring (701) can be matched and plugged with the side plug blocks (603) on both sides;The mounting plate (702) is fixedly provided at the rear end of the intermediate rotating shaft (7), a tool holder (703) is eccentrically provided at the rear side of the mounting plate (702), and a turning tool is fixedly provided at one side of the rear end of the tool holder (703); the hexagonal telescopic rod (8) comprises: an inner ratchet gear (801), an inner ratchet gear (801) is fixedly provided at the top end of the hexagonal telescopic rod (8), and the inner ratchet gear (801) is meshed with the tooth condition (103); when the inner ratchet gear (801) moves backward, the hexagonal telescopic rod (8) rotates. ; 2. A multi-axis turning machine tool for machining as claimed in claim 1, characterized in that: The fixing seat (2) comprises: A shifting screw (201), wherein the rear end of the shifting screw (201) is rotatably disposed in the fixed seat (2), and the front end of the shifting screw (201) is rotatably disposed in the vertical frame (102); A transmission motor A (202), the rear side of the fixed seat (2) is fixedly provided with the transmission motor A (202), and the transmission motor A (202) is transmission-connected to the shifting lead screw (201); A bidirectional pump (203) is fixedly arranged on the top of the fixing seat (2).

3. A multi-axis turning machine tool for machining as claimed in claim 1, characterized in that: The assembly slide groove (3) comprises: A push control screw (301), the middle of the top of the assembly slide groove (3) is a slide groove structure, and the push control screw (301) is rotatably arranged in the slide groove structure; A motor slide (302) is slidably provided on the top of the assembly slide groove (3), the motor slide (302) is threadedly connected to the push control lead screw (301), and the top two sides of the motor slide (302) cooperate with the guide rails to slide on the top of the two sets of side blocks (101); A transmission motor B (303) is fixedly arranged on the rear side of the motor slide seat (302).

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