Numerically controlled lathe with multidirectional guide rail stable supporting structure

Abstract

The utility model relates to the technical field of numerical control lathes, and discloses a numerical control lathe with a multidirectional guide rail stable supporting structure, which comprises a supporting assembly, a turning assembly used for turning a workpiece to be machined is arranged at the upper end of the supporting assembly, and a second displacement mechanism used for driving the turning assembly to move is arranged at the lower end of the turning assembly. Two first displacement mechanisms used for driving the second displacement mechanism to move are arranged at the lower end of the second displacement mechanism, and a driving mechanism used for driving the two first displacement mechanisms to operate is arranged on one side of the supporting assembly. A synchronizing mechanism used for transmitting kinetic energy of the driving mechanism and enabling the two first displacement mechanisms to synchronously run is arranged on one side of each first displacement mechanism, and when the turning depth needs to be adjusted or machining at different heights needs to be conducted, the second displacement mechanisms drive the turning assemblies to horizontally move so as to meet the machining requirement. And the second displacement mechanism is also designed based on the stable supporting structure, so that the movement of the second displacement mechanism also has high stability and precision.

Description

Technical Field

[0001] This utility model relates to the field of CNC lathe technology, specifically to a CNC lathe with a multi-guide rail stable support structure. Background Technology

[0002] A CNC lathe with a multi-guide rail stabilizing support structure is a high-precision and high-efficiency metal cutting machine tool. Its core feature lies in its unique multi-guide rail stabilizing support structure, which ensures that the lathe maintains extremely high stability and precision during machining. The lathe's guide rails are ingeniously designed to provide stable support in multiple directions, effectively resisting various forces and vibrations generated during cutting. This stability is crucial for achieving complex and high-precision machining tasks, ensuring that the machined parts have accurate dimensions and smooth surfaces.

[0003] Within the technical scope of traditional lathes, tool feed movement often relies on a single-sided drive. While this method offers certain advantages in terms of space utilization, saving the overall floor space of the lathe and making the layout more compact, it exposes significant stability problems during actual operation and machining. The single-sided drive design means that during tool feed movement, only one side of the guide rail or drive mechanism bears the main cutting force and vibration. This unbalanced force state easily leads to lathe wobbling or deviation during machining, thus affecting machining accuracy and the surface quality of parts. This instability problem caused by single-sided drive is particularly prominent when machining high-precision or complex-shaped parts, often failing to meet the high standards of machining accuracy and efficiency required by modern manufacturing. Therefore, those skilled in the art provide a CNC lathe with a multi-guide rail stable support structure to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to provide a CNC lathe with a multi-guide rail stable support structure. This solves the problem that a single-sided drive design means that during the feed movement, only one side of the guide rail or drive mechanism bears the main cutting force and vibration. This unbalanced force state can easily cause the lathe to shake or deviate during the machining process, thereby affecting the machining accuracy and the surface quality of the parts. This is especially true when machining high-precision or complex-shaped parts, where the instability caused by single-sided drive is particularly prominent, often failing to meet the high standards of machining accuracy and efficiency required by modern manufacturing.

[0005] This utility model provides the following technical solution: A CNC lathe with a multi-guide rail stable support structure includes a support assembly. The upper end of the support assembly is provided with a turning assembly for turning the workpiece to be processed. The lower end of the turning assembly is provided with a second displacement mechanism for driving the turning assembly to move. The lower end of the second displacement mechanism is provided with two first displacement mechanisms for driving the second displacement mechanism to move. A drive mechanism for driving the two first displacement mechanisms to operate is provided on one side of the support assembly. A synchronization mechanism for transmitting the kinetic energy of the drive mechanism and making the two first displacement mechanisms operate synchronously is provided on one side of each of the two first displacement mechanisms.

[0006] As a preferred embodiment of the above technical solution, the support component includes a support base, and an ear piece is fixedly connected to one end of the center of one side of the support base.

[0007] As a preferred embodiment of the above technical solution, the first displacement mechanism includes a support frame, which is fixedly connected to the upper center of the support base on one side. A protective sleeve is fixedly connected to one end of the support frame, and a support block is fixedly connected to the end of the protective sleeve away from the support frame. A transmission shaft is rotatably sleeved inside the support block via a bearing. Guide strips are fixedly connected to both sides of the support frame, and guide grooves are formed on the sides of the two guide strips where their centers are close to each other. A first lead screw is rotatably sleeved to the two ends of the support frame via a bearing. A first slider is threaded onto the outer side of the first lead screw. The first slider is slidably sleeved between the two guide strips. Guide rails are fixedly connected to the centers of both sides of the first slider, and the two guide rails are slidably sleeved inside the two guide grooves, respectively.

[0008] As a preferred embodiment of the above technical solution, the driving mechanism includes an isolation cover and a transmission rod. The isolation cover is fixedly connected to the center of one side of the support base. The transmission rod is rotatably sleeved inside the ear plate via a bearing. A drive shaft is rotatably sleeved on one side of the center of the isolation cover via a bearing. A drive wheel is fixedly connected to one end of the drive shaft near the support base. A transmission wheel is fixedly connected to one end of the transmission rod near the drive wheel. A transmission belt is fixedly sleeved on the outside of the drive wheel and the transmission wheel. A first handwheel is fixedly connected to one end of the drive shaft away from the drive wheel.

[0009] As a preferred embodiment of the above technical solution, the synchronization mechanism includes a first protective cover, which is fixedly connected to one side of the support block. A second protective cover is fixedly connected to the side of the first protective cover away from the support block. A rotating shaft is rotatably sleeved between the center of the first and second protective covers via a bearing at the upper center. A worm gear is fixedly sleeved on the outer side of the rotating shaft. A worm is rotatably sleeved between the center of the first and second protective covers via a bearing at the lower center. The worm and the worm gear are connected by a helical gear transmission. One end of the rotating shaft is fixedly connected to the side of the transmission shaft that is close to each other.

[0010] As a preferred embodiment of the above technical solution, one end of the worm gear near the transmission wheel is fixedly connected to the transmission wheel, and a synchronizing rod is fixedly connected between the two worm gears.

[0011] As a preferred embodiment of the above technical solution, the second displacement mechanism includes a base plate, which is fixedly connected to the upper ends of two first sliders. Guide frames are fixedly connected to both ends of one side of the upper center of the base plate. Second lead screws are rotatably sleeved on the inner center of each of the two guide frames via bearings. Second sliders are threaded onto the outer sides of each of the two second lead screws. The two second sliders are slidably sleeved inside the two guide frames. A first connecting plate is fixedly connected to one side of each of the two guide frames. A housing is fixedly connected to the side of the first connecting plate away from the two guide frames. A second connecting plate is fixedly connected to the side of the housing away from the first connecting plate. Two synchronous shafts are rotatably sleeved on the inner center of the first and second connecting plates via bearings. The two synchronous shafts are fixedly connected to one end of each of the two second lead screws. Synchronous gears are fixedly sleeved on the outer center of each of the two synchronous shafts. The two synchronous gears are engaged in gear meshing transmission. A second handwheel is fixedly connected to the end of one of the synchronous shafts away from the second lead screw.

[0012] As a preferred embodiment of the above technical solution, the turning assembly includes a base, which is fixedly connected to the upper ends of two second sliders. A tool holder is fixedly connected to the center of the upper end of the base, and a turning tool head is provided on the upper side of the center of the tool holder.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] Two first displacement mechanisms are respectively set on both sides of the support assembly, and the kinetic energy is transferred and the operation is synchronized through the synchronization mechanism. The drive mechanism drives one first displacement mechanism and transfers the kinetic energy to the other first displacement mechanism through the synchronization mechanism, ensuring that the two always move synchronously during the machining process. This design not only ensures the stable movement of the lathe in the horizontal direction, but also improves the machining accuracy. The second displacement mechanism set below the turning assembly is responsible for realizing the horizontal movement of the turning assembly. When it is necessary to adjust the turning depth or perform machining at different heights, the second displacement mechanism will drive the turning assembly to move horizontally to meet the machining requirements. Since the second displacement mechanism is also designed based on the stable support structure, its movement also has a high degree of stability and accuracy. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of a CNC lathe with a multi-guide rail stable support structure.

[0016] Figure 2This is a three-dimensional disassembled structural diagram of a CNC lathe with a multi-guide rail stable support structure;

[0017] Figure 3 This is a three-dimensional structural diagram of the first displacement mechanism of this utility model;

[0018] Figure 4 This is a three-dimensional disassembled structural diagram of the drive mechanism of this utility model;

[0019] Figure 5 This is a three-dimensional disassembled structural diagram of the drive mechanism of this utility model from another perspective.

[0020] Figure 6 This is a three-dimensional disassembled structural diagram of the synchronization mechanism of this utility model;

[0021] Figure 7 This is a three-dimensional disassembled structural diagram of the second displacement mechanism of this utility model;

[0022] Figure 8 This is a three-dimensional disassembled structural diagram of the turning component of this utility model.

[0023] Legend:

[0024] 1. Support assembly; 101. Support base; 102. Ear plate; 2. First displacement mechanism; 201. Support frame; 202. Protective sleeve; 203. Support block; 204. Drive shaft; 205. Guide bar; 206. Guide groove; 207. First lead screw; 208. First slider; 209. Guide rail; 3. Drive mechanism; 301. Isolation cover; 302. Transmission rod; 303. Drive shaft; 304. Drive wheel; 305. Transmission wheel; 306. Transmission belt; 307. First handwheel; 4. Synchronizing mechanism Structure; 401, First protective cover; 402, Second protective cover; 403, Rotating shaft; 404, Worm gear; 405, Worm; 5, Synchronizing rod; 6, Second displacement mechanism; 601, Base plate; 602, Guide frame; 603, Second lead screw; 604, Second slider; 605, First connecting plate; 606, Housing; 607, Second connecting plate; 608, Synchronizing shaft; 609, Synchronizing gear; 6010, Second handwheel; 7, Turning assembly; 701, Base; 702, Tool holder; 703, Turning tool head. Detailed Implementation

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0026] like Figure 1 and Figure 2As shown, this utility model provides a technical solution: a CNC lathe with a multi-guide rail stable support structure, including a support assembly 1. A turning assembly 7 for turning the workpiece to be machined is provided at the upper end of the support assembly 1. A second displacement mechanism 6 for moving the turning assembly 7 is provided at the lower end of the turning assembly 7. Two first displacement mechanisms 2 for moving the second displacement mechanism 6 are provided at the lower end of the second displacement mechanism 6. A drive mechanism 3 for driving the two first displacement mechanisms 2 is provided on one side of the support assembly 1. A synchronization mechanism 4 for transmitting the kinetic energy of the drive mechanism 3 and synchronizing the operation of the two first displacement mechanisms 2 is provided on one side of each of the two first displacement mechanisms 2. The two first displacement mechanisms 2 are respectively located on both sides of the support assembly 1. The kinetic energy transfer and synchronous operation are achieved through the synchronization mechanism 4. The drive mechanism 3 drives one first displacement mechanism 2, which in turn transmits kinetic energy to another first displacement mechanism 2 via the synchronization mechanism 4, ensuring that the two always move synchronously during the machining process. This design not only ensures the stable movement of the lathe in the horizontal direction, but also improves the machining accuracy. The second displacement mechanism 6, which is set below the turning assembly 7, is responsible for realizing the horizontal movement of the turning assembly 7. When it is necessary to adjust the turning depth or perform machining at different heights, the second displacement mechanism 6 will drive the turning assembly 7 to move horizontally to meet the machining requirements. Since the second displacement mechanism 6 is also designed based on a stable support structure, its movement also has high stability and accuracy.

[0027] As one implementation method in this embodiment, such as Figure 3As shown, the support assembly 1 includes a support base 101, with an ear piece 102 fixedly connected to one end of the center of one side of the support base 101. The first displacement mechanism 2 includes a support frame 201, which is fixedly connected to one side of the upper center of the support base 101. A protective sleeve 202 is fixedly connected to one end of the support frame 201, and a support block 203 is fixedly connected to the end of the protective sleeve 202 away from the support frame 201. A drive shaft 204 is rotatably sleeved inside the support block 203 via a bearing. Guide strips 205 are fixedly connected to both sides of the support frame 201, and guide grooves 206 are provided on the sides of the two guide strips 205 where their centers are close to each other. A first lead screw 207 is rotatably sleeved to the two ends of the center of the support frame 201 via a bearing, and a first lead screw 207 is threaded onto the outer side of the first lead screw 207. The slider 208 is slidably fitted between two guide bars 205. Guide rails 209 are fixedly connected to the center of both sides of the first slider 208. The two guide rails 209 are slidably fitted inside the two guide grooves 206 respectively. The support assembly 1 serves as the basic structure of the entire lathe and is stably fixed to the ground by the support seat 101. The first displacement mechanism 2 is connected to the support seat 101 by the support frame 201. Kinetic energy is transmitted through the transmission shaft 204 inside the protective sleeve 202 and the support block 203. The cooperation between the guide bars 205 and the guide grooves 206 ensures the stability and accuracy of the first slider 208 during movement. The rotation of the first lead screw 207 drives the first slider 208 to slide along the guide bars 205, thereby achieving horizontal displacement.

[0028] As one implementation method in this embodiment, such as Figure 4 and Figure 5 As shown, the drive mechanism 3 includes an isolation cover 301 and a transmission rod 302. The isolation cover 301 is fixedly connected to the center of one side of the support base 101. The transmission rod 302 is rotatably sleeved inside the lug 102 via a bearing. A drive shaft 303 is rotatably sleeved on one side of the center of the isolation cover 301 via a bearing. A drive wheel 304 is fixedly connected to one end of the drive shaft 303 near the support base 101. A transmission wheel 305 is fixedly connected to one end of the transmission rod 302 near the drive wheel 304. The drive wheel 304 and the transmission rod 305 are connected to the drive shaft 302. A transmission belt 306 is fixedly sleeved on the outside of the wheel 305. A first handwheel 307 is fixedly connected to the end of the drive shaft 303 away from the drive wheel 304. The drive mechanism 3 protects the internal drive components through the isolation cover 301. The drive wheel 304 on the drive shaft 303 and the transmission wheel 305 on the transmission rod 302 are connected by the transmission belt 306 to realize the transmission of power. The rotation of the first handwheel 307 drives the drive shaft 303 to rotate, and then drives the transmission wheel 305 and the transmission rod 302 to rotate through the transmission belt 306.

[0029] As one implementation method in this embodiment, such as Figure 6As shown, the synchronization mechanism 4 includes a first protective cover 401, which is fixedly connected to one side of the support block 203. A second protective cover 402 is fixedly connected to the side of the first protective cover 401 away from the support block 203. A rotating shaft 403 is rotatably sleeved between the first protective cover 401 and the second protective cover 402 at their center near the top via a bearing. A worm gear 404 is fixedly sleeved on the outside of the rotating shaft 403. A worm 405 is rotatably sleeved between the first protective cover 401 and the second protective cover 402 at their center near the bottom via a bearing. The worm 405 and the worm gear 404 are connected by a helical gear transmission. One end of the rotating shaft 403 is connected to the transmission shaft 203. 4. The two worm gears 405 are fixedly connected to each other on their adjacent sides. One end of the worm gear 405 on the side closest to the transmission wheel 305 is fixedly connected to the transmission wheel 305. A synchronizing rod 5 is fixedly connected between the two worm gears 405. The synchronizing mechanism 4 uses the helical meshing of the worm wheel 404 and the worm gear 405 to realize the synchronous movement between the two first displacement mechanisms 2. The worm gear 405 on the side of the transmission wheel 305 is connected to the worm gear 405 on the other side through the synchronizing rod 5 to ensure that the two rotate synchronously. The rotation of the worm wheel 404 drives the rotating shaft 403 to rotate, which in turn drives the transmission shaft 204 to rotate, thereby realizing the synchronous movement of the two first displacement mechanisms 2.

[0030] As one implementation method in this embodiment, such as Figure 7As shown, the second displacement mechanism 6 includes a base plate 601, which is fixedly connected to the upper ends of two first sliders 208. Guide frames 602 are fixedly connected to both ends of one side of the upper center of the base plate 601. Second lead screws 603 are rotatably sleeved within the two guide frames 602 via bearings at their centers near their ends. Second sliders 604 are threaded onto the outer sides of both second lead screws 603. The two second sliders 604 are slidably sleeved inside the two guide frames 602. A first connecting plate 605 is fixedly connected to one side of the two guide frames 602. A housing 606 is fixedly connected to the side of the first connecting plate 605 away from the two guide frames 602. A second connecting plate 607 is fixedly connected to the side of the housing 606 away from the first connecting plate 605. Two synchronous shafts 608 are rotatably sleeved between the first connecting plate 605 and the second connecting plate 607 via bearings at their centers near their ends. Two synchronous shafts 608 are fixedly connected to one end of two second lead screws 603. Synchronous gears 609 are fixedly sleeved at the center of the outer side of the two synchronous shafts 608. The two synchronous gears 609 are meshed and driven by gears. A second handwheel 6010 is fixedly connected to one end of the synchronous shaft 608 away from the second lead screw 603. The second displacement mechanism 6 is connected to the first slider 208 through the base plate 601 to realize vertical movement. The rotation of the second lead screw 603 drives the second slider 604 to slide along the guide frame 602, thereby adjusting the position of the turning assembly 7. The cooperation between the synchronous shaft 608 and the synchronous gear 609 ensures the synchronous rotation between the two second lead screws 603, thereby realizing the synchronous movement of the two second sliders 604. The rotation of the second handwheel 6010 can manually adjust the rotation of the synchronous shaft 608, thereby adjusting the translational position of the turning assembly 7.

[0031] As one implementation method in this embodiment, such as Figure 8 As shown, the turning assembly 7 includes a base 701, which is fixedly connected to the upper ends of two second sliders 604. A tool holder 702 is fixedly connected to the center of the upper end of the base 701. A turning head 703 is arranged on the upper side of the center of the tool holder 702. The turning assembly 7 is connected to the second sliders 604 through the base 701. When the second displacement mechanism 6 is adjusted into place, the turning head 703 performs turning operations inside the tool holder 702. The rotation and movement of the turning head 703 are controlled by an external control system, and high-precision machining is performed according to preset machining parameters and paths.

[0032] Working principle: The support assembly 1 serves as the basic structure of the entire lathe, and is stably fixed to the ground via the support base 101. The first displacement mechanism 2 is connected to the support base 101 via the support frame 201, and kinetic energy is transmitted through the transmission shaft 204 inside the protective sleeve 202 and the support block 203. The cooperation between the guide bar 205 and the guide groove 206 ensures the stability and accuracy of the first slider 208 during movement. The rotation of the first lead screw 207 drives the first slider 208 to slide along the guide bar 205, thereby achieving horizontal displacement. The drive mechanism 3 protects its internal drive components through an isolation cover 301. The drive wheel 304 on the drive shaft 303 and the drive wheel 305 on the transmission rod 302 are connected by a transmission belt 306 to transmit power. The rotation of the first handwheel 307 drives the drive shaft 303 to rotate, which in turn drives the drive wheel 305 and the transmission rod 302 to rotate through the transmission belt 306. The synchronization mechanism 4 uses the helical meshing of the worm gear 404 and the worm 405 to achieve synchronous movement between the two first displacement mechanisms 2. The worm 405 on one side of the drive wheel 305... 05 is connected to the worm gear 405 on the other side via the synchronizing rod 5, ensuring that the two rotate synchronously. The rotation of the worm gear 404 drives the rotating shaft 403 to rotate, which in turn drives the transmission shaft 204 to rotate, realizing the synchronous movement of the two first displacement mechanisms 2. The second displacement mechanism 6 is connected to the first slider 208 via the base plate 601, realizing vertical movement. The rotation of the second lead screw 603 drives the second slider 604 to slide along the guide frame 602, thereby adjusting the position of the turning assembly 7. The cooperation between the synchronizing shaft 608 and the synchronizing gear 609 ensures The synchronous rotation between the two second lead screws 603 enables the synchronous movement of the two second sliders 604. The rotation of the second handwheel 6010 can manually adjust the rotation of the synchronous shaft 608, thereby adjusting the translational position of the turning assembly 7. The turning assembly 7 is connected to the second sliders 604 through the base 701. When the second displacement mechanism 6 is adjusted to the correct position, the turning head 703 performs turning operations inside the tool holder 702. The rotation and movement of the turning head 703 are controlled by an external control system, and high-precision machining is performed according to preset machining parameters and paths.

[0033] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.

Claims

1. A CNC lathe with a multi-guide rail stabilizing support structure, comprising a support assembly (1), characterized in that: The upper end of the support assembly (1) is provided with a turning assembly (7) for turning the workpiece to be processed. The lower end of the turning assembly (7) is provided with a second displacement mechanism (6) for moving the turning assembly (7). The lower end of the second displacement mechanism (6) is provided with two first displacement mechanisms (2) for moving the second displacement mechanism (6). The support assembly (1) is provided with a drive mechanism (3) for driving the two first displacement mechanisms (2) to operate. The two first displacement mechanisms (2) are each provided with a synchronization mechanism (4) for transmitting the kinetic energy of the drive mechanism (3) and making the two first displacement mechanisms (2) operate synchronously.

2. A CNC lathe with a multi-guide rail stable support structure according to claim 1, characterized in that: The support assembly (1) includes a support base (101), and an ear piece (102) is fixedly connected to one end of the center of one side of the support base (101).

3. A CNC lathe with a multi-guide rail stable support structure according to claim 1, characterized in that: The first displacement mechanism (2) includes a support frame (201), which is fixedly connected to the upper center of the support base (101) on one side. A protective sleeve (202) is fixedly connected to one end of the support frame (201), and a support block (203) is fixedly connected to the end of the protective sleeve (202) away from the support frame (201). A transmission shaft (204) is rotatably sleeved inside the support block (203) through a bearing. Guide strips (205) are fixedly connected to both sides of the support frame (201). The two guide strips (205) are... 05) Guide grooves (206) are provided on the sides of the internal center that are close to each other. The support frame (201) is rotatably connected to the first lead screw (207) at both ends of the internal center through bearings. The first lead screw (207) is threadedly connected to the outside of the first slider (208). The first slider (208) is slidably sleeved between the two guide bars (205). Guide rails (209) are fixedly connected to the center of both sides of the first slider (208). The two guide rails (209) are slidably sleeved in the two guide grooves (206) respectively.

4. A CNC lathe with a multi-guide rail stable support structure according to claim 2, characterized in that: The drive mechanism (3) includes an isolation cover (301) and a transmission rod (302). The isolation cover (301) is fixedly connected to the center of one side of the support base (101). The transmission rod (302) is rotatably sleeved inside the ear plate (102) through a bearing. A drive shaft (303) is rotatably sleeved on one side of the center of the isolation cover (301) through a bearing. A drive wheel (304) is fixedly connected to one end of the drive shaft (303) near the support base (101). A transmission wheel (305) is fixedly connected to one end of the transmission rod (302) near the drive wheel (304). A transmission belt (306) is fixedly sleeved on the outside of the drive wheel (304) and the transmission wheel (305). A first handwheel (307) is fixedly connected to one end of the drive shaft (303) away from the drive wheel (304).

5. A CNC lathe with a multi-guide rail stable support structure according to claim 4, characterized in that: The synchronization mechanism (4) includes a first protective cover (401), which is fixedly connected to one side of the support block (203). A second protective cover (402) is fixedly connected to the side of the first protective cover (401) away from the support block (203). A rotating shaft (403) is rotatably sleeved between the center of the first protective cover (401) and the second protective cover (402) via a bearing. A worm gear (404) is fixedly sleeved on the outside of the rotating shaft (403). A worm (405) is rotatably sleeved between the center of the first protective cover (401) and the second protective cover (402) via a bearing. The worm (405) and the worm gear (404) are driven by a helical gear mesh. One end of the rotating shaft (403) is fixedly connected to the side of the transmission shaft (204) that is close to each other.

6. A CNC lathe with a multi-guide rail stable support structure according to claim 5, characterized in that: One end of the worm (405) near the transmission wheel (305) is fixedly connected to the transmission wheel (305), and a synchronizing rod (5) is fixedly connected between the two worms (405).

7. A CNC lathe with a multi-guide rail stable support structure according to claim 3, characterized in that: The second displacement mechanism (6) includes a base plate (601), which is fixedly connected to the upper ends of two first sliders (208). Guide frames (602) are fixedly connected to both ends of the upper center side of the base plate (601). Second lead screws (603) are rotatably sleeved on the inner center of the two guide frames (602) via bearings at both ends. Second sliders (604) are threaded onto the outer sides of the two second lead screws (603). The two second sliders (604) are slidably sleeved inside the two guide frames (602). A first connecting plate (605) is fixedly connected to one side of the two guide frames (602), and the first connecting plate (605) is located away from the two guide frames (608). 2) A housing (606) is fixedly connected to one side. A second connecting plate (607) is fixedly connected to the side of the housing (606) away from the first connecting plate (605). Two synchronous shafts (608) are rotatably sleeved between the center of the first connecting plate (605) and the second connecting plate (607) through bearings. The two synchronous shafts (608) are fixedly connected to one end of the two second lead screws (603). Synchronous gears (609) are fixedly sleeved at the center of the outer side of the two synchronous shafts (608). The two synchronous gears (609) are meshed and driven by gears. A second handwheel (6010) is fixedly connected to the end of one of the synchronous shafts (608) away from the second lead screw (603).

8. A CNC lathe with a multi-guide rail stable support structure according to claim 7, characterized in that: The turning assembly (7) includes a base (701), which is fixedly connected to the upper ends of two second sliders (604). A tool holder (702) is fixedly connected to the center of the upper end of the base (701), and a turning head (703) is provided on one side of the center inside the tool holder (702).

Images