Numerical control lathe with positioning and clamping functions

Abstract

The utility model relates to the technical field of advanced manufacturing and automation, and discloses a numerical control lathe with positioning and clamping functions, which comprises a numerical control lathe body, a controller is arranged on the front side of the numerical control lathe body, and a workpiece is arranged at the top of the inner wall of the numerical control lathe body. A clamping assembly is arranged in the numerical control lathe body and comprises a driving part arranged in the numerical control lathe body. The first motor is started, the first motor drives the connecting shaft to rotate, the first gear fixedly arranged on the connecting shaft in a sleeving mode rotates around the axis of the first gear in the arc-shaped groove formed in the top of the fixed bottom plate, the first gear is meshed with the rack fixedly installed at the bottom of the movable plate, and the first gear rotates to drive the rack to move in the length direction of the rack. The rack moves to drive the movable plate connected with the rack to slide in the first sliding openings symmetrically formed in the top of the fixed bottom plate through the first sliding blocks, and the effect of being suitable for workpieces of different sizes is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to advanced manufacturing and automation technical field, concretely is a numerical control lathe with positioning and clamping functions. BACKGROUND

[0002] In the field of mechanical processing, numerical control lathes play a crucial role, as they can efficiently and accurately perform cutting and other machining operations on various workpieces. However, with the continuous development of manufacturing industry, the precision requirements for workpiece processing and the flexibility demands of the processing process are increasingly improving.

[0003] Traditional numerical control lathes often face many limitations when processing workpieces of different sizes. First, the horizontal position adjustment of the workpiece on the lathe is not flexible enough, making it difficult to conveniently and accurately move the workpiece to the appropriate processing position according to its specific size and processing technology requirements. This not only limits the range of workpieces that can be processed by the lathe, but also easily leads to a decrease in processing precision, failing to meet the needs of diversified and customized production. Secondly, in the clamping process of the workpiece, the traditional clamping method mostly cannot simultaneously meet the two key requirements of accurate positioning and stable clamping. In many cases, either the clamping is not firm enough, causing the workpiece to shift or loosen during processing due to cutting force and other factors, resulting in processing errors or even damaging the workpiece; or accurate positioning cannot be achieved, and the position of the workpiece cannot be accurately fixed according to the processing requirements, also affecting the final processing precision and product quality. SUMMARY

[0004] The utility model aims at providing a numerical control lathe with positioning and clamping functions, achieving the purpose of conveniently clamping workpieces of different sizes.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a numerical control lathe with positioning and clamping functions, comprising a numerical control lathe body, a controller is arranged on the front surface of the numerical control lathe body, a workpiece is arranged on the top of the inner wall of the numerical control lathe body, and a clamping assembly is arranged inside the numerical control lathe body.

[0006] Preferably, the clamping assembly comprises: a driving component arranged inside the numerical control lathe body; a clamping component arranged on the top of the driving component; and a dust collection component arranged on one side of the clamping component.

[0007] Preferably, the driving component comprises: a fixed base fixedly installed inside the numerical control lathe body; a fixed bottom plate fixedly installed on the top of the fixed base; and a motor one fixedly installed on the front surface of the fixed bottom plate.

[0008] Preferably, the inside of the fixed bottom plate is provided with a cavity, the top of the fixed bottom plate is symmetrically provided with a sliding opening one, the top of the fixed bottom plate is provided with an arc-shaped groove, the inside of the fixed bottom plate is fixedly installed with a guide rod, the outer wall of the guide rod is slidably sleeved with a movable plate, the top of the movable plate is symmetrically fixedly installed with a sliding block one, the top of the sliding block one is movably penetrated through the sliding opening one and is fixedly installed with a moving plate, the bottom of the moving plate is fixedly installed with a rack, the inside of the arc-shaped groove is movably provided with a gear one, the inside of the gear one is fixedly sleeved with a connecting shaft, one end of the connecting shaft is rotatably connected with one side of the inner wall of the fixed bottom plate through a bearing, the other end of the connecting shaft is movably penetrated through the other side of the inner wall of the fixed bottom plate and extends to the outer wall of the fixed bottom plate and is connected with the output end of a motor one, and the gear one and the rack are in meshing connection.

[0009] The connecting shaft is driven to rotate by the motor one, thereby driving the gear one to rotate in the arc-shaped groove, the rack in meshing connection with the gear one can accurately convert the rotary motion into linear motion, so as to realize the accurate displacement of the moving plate in the horizontal direction.

[0010] Preferably, the clamping component comprises: a connecting vertical plate fixedly installed at the top of the moving plate; and a fixed vertical plate fixedly installed at the top of the moving plate.

[0011] Preferably, one side of the fixed vertical plate is rotatably connected with a threaded rod through a bearing, the other end of the threaded rod is rotatably connected with the connecting vertical plate through a bearing, the outer wall of the threaded rod is threadedly connected with a connecting sleeve ring, the two sides of the connecting sleeve ring are movably provided with push rods respectively, the other end of each push rod is movably connected with a limiting square plate one, the surface of the connecting vertical plate is symmetrically provided with a sliding opening two, the other side of the limiting square plate one is fixedly installed with a sliding block two, the sliding block two is movably penetrated through the sliding opening two, the other side of the sliding block two is fixedly installed with a limiting square plate two, the other side of the limiting square plate two is fixedly installed with a clamping plate, the opposite side of the clamping plate is fixedly installed with a rubber pad two, the opposite side of the connecting vertical plate is fixedly installed with a placing plate, the top of the placing plate is fixedly installed with a rubber pad one, the outer wall of the threaded rod is fixedly sleeved with a gear two at one end, one side of the fixed vertical plate is fixedly installed with a motor two, the output end of the motor two is provided with a short shaft, the outer wall of the short shaft is fixedly sleeved with a gear three, and the gear three and the gear two are in meshing connection.

[0012] The rubber pad one and the rubber pad two not only can increase the friction to enhance the clamping stability, but also have a certain elastic buffering capacity. When clamping workpieces of different shapes, sizes or surface roughness, the rubber pads can adaptively fit the surface of the workpieces, avoid damage to the workpieces caused by rigid clamping, and also can absorb vibration in the machining process to a certain extent, reduce the influence on the machining precision, and improve the surface quality of the workpieces.

[0013] Preferably, the dust suction component comprises: a material collecting box fixedly installed on the top of the moving plate; and a supporting plate fixedly installed on the top of the connecting vertical plate.

[0014] Preferably, the front of the material collecting box is provided with a movable opening, the inner walls of the material collecting box are respectively fixedly provided with sliding rails, the sliding rails are slidably connected with sliding rods, the sliding rods are fixedly provided with a material collecting drawer, the bottom of the material collecting drawer is provided with ventilation openings at equal intervals, the front of the material collecting drawer is fixedly provided with a clamping plate, the clamping plate is clamped with the material collecting box through the movable opening, the other side of the clamping plate is fixedly provided with a handle, one side of the material collecting box is communicated with a suction pump through an exhaust pipe, the opposite side of the supporting plate is fixedly provided with a dust suction cover, the dust suction cover is communicated with a material suction pipe, and the other end of the material suction pipe penetrates through one side of the supporting plate and extends to the other side of the supporting plate and is communicated with the top of the material collecting box.

[0015] The suction pump is communicated with the material collecting box through the exhaust pipe, and when the suction pump works, a stable negative pressure environment can be formed in the material collecting box.

[0016] The utility model provides a numerical control lathe with positioning and clamping functions.

[0017] (1), the utility model discloses a start motor one, and motor one drives the rotation of connecting shaft, and the gear one of fixedly sleeved of connecting shaft rotates in the arc -shaped recess of the top of fixed base plate, because the gear one and the rack of the bottom fixed mounting of moving plate are interlocked, the rotation of gear one drives the rack to move along its length direction, and the movement of rack drives the moving plate that is connected therewith to slide in the sliding port one that the top of fixed base plate is symmetrically set up, reaches the effect that is applicable to different size workpieces.

[0018] (2), the utility model discloses the rotation of threaded rod, and the connecting sleeve ring that is connected with threaded rod is linearly moved along the axial direction of threaded rod under the rotation of threaded rod, and the push rod of the two sides of connecting sleeve ring is set up movably and pushes limit square board one along with the movement of connecting sleeve ring, and limit square board one slides in the sliding port two that the surface of connecting vertical plate is symmetrically set up through sliding block two, and the movement of limit square board one drives limit square board two and clamping plate that are connected therewith to be close to the position of workpiece, realizes the effect of accurate positioning and stable clamping of workpiece. ACCURATE POSITIONING AND STABLE CLAMPING

[0019] Figure 1 It is the whole structure stereogram of the utility model;

[0020] Figure 2 It is the sectional view of the clamping assembly structure of the utility model;

[0021] Figure 3 It is partial structure section view of the clamping assembly of the utility model,

[0022] Figure 4 It is structure section view of the dust suction component of the utility model.

[0023] In the figure: 1 numerical control lathe body, 2 controller, 3 workpiece, 4 clamping assembly,

[0024] 41 drive component, 411 fixed base, 412 fixed bottom plate, 413 gear one, 414 connecting shaft, 415 motor one, 416 guide rod, 417 movable plate, 418 sliding block one, 419 moving plate, 4111 rack;

[0025] 42 clamping component, 421 connecting vertical plate, 422 storage plate, 423 rubber pad one, 424 fixed vertical plate, 425 threaded rod, 426 connecting sleeve ring, 427 push rod, 428 limit square plate one, 429 sliding block two, 4211 limit square plate two, 4212 clamping plate, 4213 rubber pad two, 4214 gear two, 4215 gear three, 4216 motor two;

[0026] 43 dust suction component, 431 material receiving box, 432 support plate, 433 dust suction cover, 434 material suction pipe, 435 sliding rail, 436 sliding rod, 437 material receiving drawer, 438 clamping plate, 439 handle, 4311 exhaust pipe, 4312 suction pump. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Examples of the described embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as limiting the utility model.

[0029] Embodiment one:

[0030] The preferred embodiment of the numerical control lathe with positioning and clamping functions provided by the utility model comprises Figures 1-4The utility model discloses a numerical control lathe with positioning and clamping functions, including numerical control lathe body 1, the front of numerical control lathe body 1 is provided with controller 2, the inner wall top of numerical control lathe body 1 is provided with processing piece 3, the inside of numerical control lathe body 1 is provided with clamping assembly 4, clamping assembly 4 includes: drive part 41 is set up in the inside of numerical control lathe body 1, clamping part 42 is set up at the top of drive part 41, dust extraction part 43 is set up at one side of clamping part 42, drive part 41 includes: fixed base 411 is fixedly installed in the inside of numerical control lathe body 1, fixed base plate 412 is fixedly installed at the top of fixed base 411, motor no.

[0031] Further, in the embodiment, by starting motor no. 415, motor no. 415 drives connecting shaft 414 to rotate, gear no. 413 fixedly sleeved on connecting shaft 414 rotates around its axis in the arc-shaped groove formed at the top of fixed base plate 412, since gear no. 413 and rack 4111 fixedly installed at the bottom of moving plate 419 are in meshing connection with each other, the rotation of gear no. 413 drives rack 4111 to move along its length direction, the movement of rack 4111 drives moving plate 419 connected therewith to slide in the sliding port no. 1 symmetrically formed at the top of fixed base plate 412 through sliding block no. 418, the sliding of sliding block no. 418 in sliding port no. 1 provides moving plate 419 with guidance and support, ensuring the stability and accuracy of the movement of moving plate 419, the movement of moving plate 419 further drives connecting vertical plate 421, fixed vertical plate 424 and clamping part 42 as a whole to move in the horizontal direction, so as to realize the position adjustment of processing piece 3 in the horizontal direction.

[0032] Embodiment two:

[0033] On the basis of the embodiment one, the preferable embodiment of the numerical control lathe with the positioning and clamping functions provided by the utility model like Figures 1-4 As shown: the clamping component 42 comprises: a connecting vertical plate 421 fixedly installed on the top of the moving plate 419; a fixed vertical plate 424 fixedly installed on the top of the moving plate 419; a threaded rod 425 rotatably connected to one side of the fixed vertical plate 424 through a bearing, the other end of the threaded rod 425 rotatably connected to the connecting vertical plate 421 through a bearing, a connecting sleeve ring 426 threadedly connected to the outer wall of the threaded rod 425, push rods 427 movably arranged on both sides of the connecting sleeve ring 426, the other end of the push rod 427 movably connected to a limiting square plate one 428, a sliding hole two symmetrically formed on the surface of the connecting vertical plate 421, a sliding block two 429 fixedly installed on the other side of the limiting square plate one 428, the sliding block two 429 movably penetrating through the sliding hole two, a limiting square plate two 4211 fixedly installed on the other side of the sliding block two 429, a clamping plate 4212 fixedly installed on the other side of the limiting square plate two 4211, a rubber pad two 4213 fixedly installed on the opposite side of the clamping plate 4212, a placing plate 422 fixedly installed on the opposite side of the connecting vertical plate 421, a rubber pad one 423 fixedly installed on the top of the placing plate 422, a gear two 4214 fixedly sleeved on one end of the outer wall of the threaded rod 425, a motor two 4216 fixedly installed on one side of the fixed vertical plate 424, a short shaft provided on the output end of the motor two 4216, a gear three 4215 fixedly sleeved on the outer wall of the short shaft, the gear three 4215 and the gear two 4214 are in meshing connection.

[0034] Further, in the embodiment, the motor two 4216 is started, the short shaft is driven to rotate by the output end of the motor two 4216, the gear three 4215 fixedly sleeved on the short shaft is synchronously rotated, the gear three 4215 and the gear two 4214 fixedly sleeved on one end of the outer wall of the threaded rod 425 are in meshing connection, the rotation of the gear three 4215 drives the gear two 4214 to rotate, and then drives the threaded rod 425 to rotate around the axial line thereof, the connecting sleeve ring 426 threadedly connected to the threaded rod 425 moves linearly along the axial direction of the threaded rod 425 under the rotation of the threaded rod 425, the push rods 427 movably arranged on both sides of the connecting sleeve ring 426 push the limiting square plate one 428 along with the movement of the connecting sleeve ring 426, the limiting square plate one 428 slides in the sliding hole two symmetrically formed on the surface of the connecting vertical plate 421, so that the accuracy and stability of the moving direction are ensured, the movement of the limiting square plate one 428 drives the limiting square plate two 4211 and the clamping plate 4212 connected thereto to move close to the position of the workpiece 3, when the rubber pad two 4213 on the clamping plate 4212 is in close contact with the workpiece 3, enough friction and clamping force are generated by the elastic deformation of the rubber pad two 4213, the workpiece 3 is fixed between the placing plate 422 and the clamping plate 4212, and the precise positioning and stable clamping of the workpiece 3 are realized.

[0035] Embodiment three:

[0036] Based on the embodiments one and two, the preferable embodiment of the numerical control lathe with positioning and clamping functions provided by the utility model like Figures 1-4 As shown: dust collection components 43 include: material receiving box 431, fixedly installed on the top of the moving plate 419; support plate 432, fixedly installed on the top of the connecting vertical plate 421; the front of the material receiving box 431 is provided with a movable opening, the inner wall of the material receiving box 431 is fixedly provided with sliding rails 435 on both sides respectively, the inside of the sliding rails 435 is slidably connected with sliding rods 436, the sliding rods 436 are fixedly installed with material receiving drawers 437 between, the bottom of the material receiving drawers 437 is provided with ventilation openings at equal intervals, the front of the material receiving drawers 437 is fixedly installed with clamping plates 438, the clamping plates 438 are clamped and connected with the material receiving box 431 through the movable opening, the other side of the clamping plates 438 is fixedly installed with handles 439, one side of the material receiving box 431 is communicated with a suction pump 4312 through an exhaust pipe 4311, the opposite side of the support plate 432 is fixedly installed with dust covers 433, the inside of the dust covers 433 is communicated with material suction pipes 434, the other end of the material suction pipes 434 penetrates through one side of the support plate 432 and extends to the other side of the support plate 432, and is communicated with the top of the material receiving box 431.

[0037] Further, in the embodiment, the suction pump 4312 is started, the suction pump 4312 forms a negative pressure environment in the material receiving box 431 through the exhaust pipe 4311, under the action of the negative pressure, the metal scraps and other waste materials generated in the processing process are guided by the suction force of the dust cover 433 and are sucked into the material receiving box 431 through the material suction pipes 434, the scraps and other substances sucked into the material receiving box 431 fall into the material receiving drawers 437 through the ventilation openings provided at equal intervals in the bottom of the material receiving drawers 437, the material receiving drawers 437 are slidably installed on the sliding rails 435 fixedly installed on the inner wall of the material receiving box 431 on both sides through the sliding rods 436, this structure design makes the material receiving drawers 437 can be conveniently pulled out and pushed in from the material receiving box 431, which is convenient for cleaning and replacement, when the collected scraps in the material receiving drawers 437 reach a certain amount, the operator can pull the handle 439 fixedly installed on the front of the material receiving drawers 437 to make the clamping plate 438 separate from the movable opening provided on the front of the material receiving box 431, so as to take out the material receiving drawers 437, clean the scraps in it and then reinstall it into the material receiving box 431, to ensure the continuous and effective operation of the dust collection system.

[0038] In use, first of all according to the workpiece to be processed, the clamping assembly 4 is adjusted, the motor 415 is started, the connecting shaft 414 is driven to rotate, the gear 413 fixedly sleeved on the connecting shaft 414 rotates around the axis of the connecting shaft 414, the gear 413 and the rack 4111 fixedly installed at the bottom of the moving plate 419 are meshed with each other, the rotation of the gear 413 drives the rack 4111 to move along the length direction thereof, the movement of the rack 4111 drives the moving plate 419 connected therewith to slide in the sliding port 1 symmetrically formed at the top of the fixed base plate 412 through the sliding block 418, the sliding of the sliding block 418 in the sliding port 1 provides guidance and support for the movement of the moving plate 419, ensures the stability and accuracy of the movement of the moving plate 419, and the movement of the moving plate 419 further drives the connecting vertical plate 421, the fixed vertical plate 424 and the clamping component 42 installed at the top of the moving plate 419 to move in the horizontal direction as a whole, so that the position adjustment of the workpiece 3 in the horizontal direction is realized, when the required position is adjusted, the workpiece is placed on the rubber pad 423 on the placing plate 422, the rubber pad 423 can play the role of buffering and anti-skid, prevents the workpiece 3 from being damaged when being placed and from accidental displacement in the subsequent processing process, the motor 4216 is started, the output end of the motor 4216 drives the short shaft to rotate, the gear three 4215 fixedly sleeved on the short shaft rotates synchronously, the gear three 4215 and the gear two 4214 fixedly sleeved on one end of the outer wall of the threaded rod 425 are meshed with each other, the rotation of the gear three 4215 drives the gear two 4214 to rotate, further drives the threaded rod 425 to rotate around the axis thereof, the connecting sleeve ring 426 threadedly connected with the threaded rod 425 moves linearly along the axial direction of the threaded rod 425 under the rotating action of the threaded rod 425, the push rod 427 movably arranged at the two sides of the connecting sleeve ring 426 pushes the limiting square plate one 428 along with the movement of the connecting sleeve ring 426, the limiting square plate one 428 slides in the sliding port two symmetrically formed on the surface of the connecting vertical plate 421 through the sliding block 429, so as to ensure the accuracy and stability of the movement direction thereof, the movement of the limiting square plate one 428 drives the limiting square plate two 4211 and the clamping plate 4212 connected therewith to move close to the position of the workpiece 3, when the rubber pad two 4213 on the clamping plate 4212 is in close contact with the workpiece 3, the workpiece 3 is firmly fixed between the placing plate 422 and the clamping plate 4212 through the elastic deformation of the rubber pad two 4213 to generate sufficient friction and clamping force, the precise positioning and stable clamping of the workpiece 3 are realized, the loosening or displacement of the workpiece 3 in the subsequent processing process is prevented, the processing precision is ensured, after the workpiece 3 is clamped and fixed, the controller 2 of the numerical control lathe body 1 starts the processing program, the lathe starts to cut and process the workpiece 3, at the same time, the suction pump 4312 in the dust collection component 43 is started, the suction pump 4312 forms a negative pressure environment in the receiving box 431 through the exhaust pipe 4311, under the action of the negative pressure,The metal scraps and other waste materials generated in the processing process are guided by the suction force of the dust cover 433 and are sucked into the material collecting box 431 through the suction pipe 434. The scraps and other materials sucked into the material collecting box 431 will fall into the material collecting drawer 437 through the equally spaced air vents at the bottom of the material collecting drawer 437. The material collecting drawer 437 is slidably installed on the slide rails 435 fixedly installed on the inner wall of the material collecting box 431 through the slide rod 436. This structure design enables the material collecting drawer 437 to be conveniently pulled out and pushed into the material collecting box 431, facilitating cleaning and replacement. When the collected scraps in the material collecting drawer 437 reach a certain amount, the operator can pull the handle 439 fixedly installed on the front of the material collecting drawer 437 to make the clamping plate 438 disengage from the movable opening on the front of the material collecting box 431, so as to take out the material collecting drawer 437. After cleaning the scraps in the material collecting drawer 437, the material collecting drawer 437 is reinstalled in the material collecting box 431, ensuring the continuous and effective operation of the dust collection system.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application and does not limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for some technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A CNC lathe with positioning and clamping function, comprising a CNC lathe body (1), characterized in that: The CNC lathe body (1) is provided with a controller (2) on the front side, a workpiece (3) is provided on the top of the inner wall of the CNC lathe body (1), and a clamping assembly (4) is provided inside the CNC lathe body (1).

2. A CNC lathe with positioning and clamping function according to claim 1, characterized in that: The clamping assembly (4) includes: The drive unit (41) is located inside the CNC lathe body (1); A clamping component (42) is disposed on top of the driving component (41); A vacuuming component (43) is disposed on one side of the clamping component (42).

3. A CNC lathe with positioning and clamping function according to claim 2, characterized in that: The driving component (41) includes: A fixed base (411) is fixedly installed inside the CNC lathe body (1); A fixed base plate (412) is symmetrically fixedly installed on the top of a fixed base (411); Motor 1 (415) is fixedly installed on the front of the fixed base plate (412).

4. A CNC lathe with positioning and clamping function according to claim 3, characterized in that: The fixed base plate (412) has an internal cavity. A sliding opening is symmetrically provided on the top of the fixed base plate (412). An arc-shaped groove is also provided on the top of the fixed base plate (412). A guide rod (416) is fixedly installed inside the fixed base plate (412). A movable plate (417) is slidably fitted onto the outer wall of the guide rod (416). A slider (418) is symmetrically fixedly installed on the top of the movable plate (417). The top of the slider (418) movably passes through the sliding opening and is fixedly fitted with a moving plate (419). A rack (4111) is fixedly installed at the bottom. A gear (413) is movably arranged inside the arc-shaped groove. A connecting shaft (414) is fixedly sleeved inside the gear (413). One end of the connecting shaft (414) is rotatably connected to one side of the inner wall of the fixed base plate (412) through a bearing. The other end of the connecting shaft (414) movably passes through the other side of the inner wall of the fixed base plate (412) and extends to the outer wall of the fixed base plate (412), and is connected to the output end of the motor (415). The gear (413) and the rack (4111) are meshed together.

5. A CNC lathe with positioning and clamping function according to claim 2, characterized in that: The clamping component (42) includes: The connecting vertical plate (421) is fixedly installed on the top of the movable plate (419); The fixed vertical plate (424) is fixedly installed on the top of the movable plate (419).

6. A CNC lathe with positioning and clamping function according to claim 5, characterized in that: One side of the fixed vertical plate (424) is rotatably connected to a threaded rod (425) via a bearing. The other end of the threaded rod (425) is rotatably connected to the connecting vertical plate (421) via a bearing. A connecting collar (426) is threaded onto the outer wall of the threaded rod (425). Push rods (427) are movably arranged on both sides of the connecting collar (426). The other end of the push rods (427) is movably connected to a limiting square plate (428). A sliding opening (2) is symmetrically opened on the surface of the connecting vertical plate (421). A slider (2) (429) is fixedly installed on the other side of the limiting square plate (428). The slider (2) (429) movably passes through the sliding opening (2). A limiting square plate (2) (421) is fixedly installed on the other side of the slider (2) (429). 1) A clamping plate (4212) is fixedly installed on the other side of the limiting square plate (4211). A rubber pad (4213) is fixedly installed on the opposite side of the clamping plate (4212). A shelf (422) is fixedly installed on the opposite side of the connecting vertical plate (421). A rubber pad (423) is fixedly installed on the top of the shelf (422). A gear (4214) is fixedly sleeved on one end of the outer wall of the threaded rod (425). A motor (4216) is fixedly installed on one side of the fixed vertical plate (424). A short shaft is provided at the output end of the motor (4216). A gear (4215) is fixedly sleeved on the outer wall of the short shaft. The gear (4215) meshes with the gear (4214).

7. A CNC lathe with positioning and clamping function according to claim 2, characterized in that: The vacuuming component (43) includes: The receiving box (431) is fixedly installed on the top of the movable plate (419); The support plate (432) is fixedly installed on the top of the connecting vertical plate (421).

8. A CNC lathe with positioning and clamping function according to claim 7, characterized in that: The receiving box (431) has a movable opening on its front. Slide rails (435) are fixedly installed on both sides of the inner wall of the receiving box (431). Slide rods (436) are slidably connected inside the slide rails (435). A receiving drawer (437) is fixedly installed between the slide rods (436). Ventilation openings are equidistantly provided at the bottom of the receiving drawer (437). A locking plate (438) is fixedly installed on the front of the receiving drawer (437). The locking plate (438) is engaged with the receiving box (431) through the movable opening. A handle (439) is fixedly installed on the other side of the locking plate (438). A suction pump (4312) is connected to one side of the receiving box (431) through an exhaust pipe (4311). A dust hood (433) is fixedly installed on the opposite side of the support plate (432). A suction pipe (434) is connected inside the dust hood (433). The other end of the suction pipe (434) passes through one side of the support plate (432) and extends to the other side of the support plate (432), and is connected to the top of the receiving box (431).

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