Intelligent four-side slicing all-in-one machine

Abstract

The utility model relates to the technical field of metal plate processing, in particular to an intelligent four-side slicing all-in-one machine which comprises a machine frame, and a working table, an electric cabinet and an operation panel with a display screen are arranged on the machine frame. The auxiliary machine is located at one end, in the X-axis direction, of the working table top, a first feeding device capable of feeding relative to the auxiliary machine is arranged on the working table top, and a first dadoing device used for dadoing a plate in the Y-axis direction is arranged on the auxiliary machine; and the main machine is located at one end, in the Y-axis direction, of the working table top, a second feeding device capable of feeding relative to the main machine is arranged on one side of the working table top, and a second dadoing device used for dadoing the plates in the X-axis direction and a laser cutting device used for conducting laser cutting on the plates are arranged on the main machine. The first dadoing device on the auxiliary machine and the second dadoing device on the main machine are matched to conduct dadoing on the four faces of a plate in the X-axis direction and the Y-axis direction, the plate is cut through the laser cutting device after dadoing is completed, and use is convenient.

Description

Technical Field

[0001] This utility model relates to the field of metal sheet processing technology, and specifically to an intelligent four-sided planing machine. Background Technology

[0002] Currently, in the metal sheet grooving industry, the metal sheet is usually grooved first, and then the entire sheet is transferred to another machine for laser cutting, which is inconvenient.

[0003] Utility model patent CN217913387U discloses a grooving and laser cutting composite machine, including a frame, a grooving device, a laser cutting device, and a pressure plate device. The grooving device and the laser cutting device are movably mounted on the frame in the X-axis direction. The pressure plate device is located in the middle of the frame and includes several pressure blocks and a pressure plate beam. The pressure plate beam is fixedly located in the middle of the frame along the X-axis direction, and the several pressure blocks are arranged on the pressure plate beam along the X-axis. The grooving device and the laser cutting device are staggered in the Y-axis direction. The vertical projection of the grooving device's planing blade is located on the pressure plate beam, and the vertical projection of the laser head of the laser cutting device is located outside the pressure plate beam. The existing technology can groove the metal sheet using a grooving device, and then laser cut the grooved metal sheet using a laser cutting device, without having to transfer it to another device, making it more convenient to use. However, the existing technology still has structural shortcomings. It can only groove the metal sheet in the X-axis direction. If it is necessary to groove the sheet in the Y-axis direction, the sheet needs to be manually rotated 90 degrees, which increases labor costs and reduces work efficiency.

[0004] Therefore, there is still room for improvement in existing technologies. Utility Model Content

[0005] To address the problem that existing technologies can only groove metal sheets along the X-axis, and require manually rotating the sheet 90 degrees to groove along the Y-axis, which increases labor costs and reduces work efficiency, this invention proposes an intelligent four-sided planing machine.

[0006] To achieve the above objectives, the technical solution applied in this utility model is as follows:

[0007] An intelligent four-sided slicing integrated machine includes a frame, on which a worktable, an electrical control box, and an operation panel with a display screen are mounted; an auxiliary machine located at one end of the worktable along the X-axis, with a feeding device on the worktable for feeding material relative to the auxiliary machine, and a grooving device on the auxiliary machine for grooving the material along the Y-axis; and a main machine located at one end of the worktable along the Y-axis, with a feeding device on one side of the worktable for feeding material relative to the main machine, and the main machine having a grooving device for grooving the material along the X-axis and a laser cutting device for laser cutting the material.

[0008] According to the above scheme, the grooving device includes a sliding plate, a lifting motor, and a cutting blade assembly. The sliding plate can slide relative to the Y-axis direction of the board on the auxiliary machine. The lifting motor is installed on the sliding plate and the output end of the lifting motor is connected to the cutting blade assembly. The cutting blade assembly is used to groove the board in the Y-axis direction. The auxiliary machine is provided with a protective cover corresponding to the grooving device.

[0009] According to the above scheme, the auxiliary machine is provided with a parallel slide rail 2 and a gear rail 2. The slide plate 2 is slidably connected to the slide rail 2. A moving motor 2 is installed on the slide plate 2. A gear 2 is fixed at the output end of the moving motor 2. The gear 2 is meshed with the gear rail 2.

[0010] According to the above scheme, the auxiliary machine is provided with a pressure plate device 1 for positioning the sheet in the Y-axis direction. The pressure plate device 1 includes a pressure plate 1 and a pressure plate longitudinal beam. The pressure plate longitudinal beam can be fixed on the auxiliary machine relative to the Y-axis direction of the sheet. Several pressure plates 1 are evenly distributed on the pressure plate longitudinal beam. The vertical projection of the planing blade assembly 1 is located on the pressure plate longitudinal beam.

[0011] According to the above scheme, the feeding device includes a clamping beam, a clamp, and a sliding plate. The lower end of the sliding plate is slidably located on the frame, and the upper end of the sliding plate passes through the worktable and is fixedly connected to the clamping beam. The clamping beam can slide on the worktable in the X-axis direction relative to the worktable. Several clamps are evenly installed on the clamping beam. A material support frame flush with the worktable is provided on the outside of the auxiliary machine.

[0012] According to the above scheme, the frame is provided with a parallel slide rail and a gear rail, the slide plate is slidably connected to the slide rail, a moving motor is installed on the slide plate, and a gear is fixed at the output end of the moving motor, which meshes with the gear rail.

[0013] According to the above scheme, the worktable is provided with a guide groove in the X-axis direction. The upper end of the slide plate passes through the guide groove and is fixedly connected to the clamp beam. The slide plate is slidably disposed with the guide groove.

[0014] According to the above scheme, the grooving device 2 includes a sliding plate 3, a lifting motor 2, and a slicing blade assembly 2. The sliding plate 3 can slide relative to the X-axis direction of the board on the main unit. The lifting motor 2 is installed on the sliding plate 3, and the output end of the lifting motor 2 is connected to the slicing blade assembly 2. The slicing blade assembly 2 is used to groove the board in the X-axis direction. The laser cutting device includes a lifting motor 3 and a laser cutting head. The lifting motor 3 is installed on the sliding plate 3, and the output end of the lifting motor 3 is connected to the laser cutting head. The laser cutting head and the slicing blade assembly 2 are offset in the Y-axis direction of the worktable. The laser cutting head is used to laser cut the board. The main unit is provided with a protective cover 2 corresponding to the grooving device 2 and the laser cutting device.

[0015] According to the above scheme, the host is provided with a parallel slide rail three and a gear rail three, the slide plate three is slidably connected to the slide rail three, the slide plate three is equipped with a moving motor three, the output end of the moving motor three is fixed with a gear three, and the gear three is meshed with the gear rail three.

[0016] According to the above scheme, the host is provided with a pressure plate device two for positioning the plate in the X-axis direction. The pressure plate device two includes a pressure plate two and a pressure plate beam. The pressure plate beam can be fixed on the host relative to the plate in the X-axis direction. Several pressure plates two are evenly distributed on the pressure plate beam. The vertical projection of the slicing blade assembly two is located on the pressure plate beam, and the vertical projection of the laser cutting head is located outside the pressure plate beam.

[0017] According to the above scheme, the second feeding device includes a second clamping beam, a second clamp, a fourth slide rail, and a lead screw. The fourth slide rail and the lead screw are arranged parallel to each other on the frame in the Y-axis direction of the worktable. The second clamping beam slides on the fourth slide rail, and the second clamping beam is threadedly connected to the lead screw. The lead screw is driven to rotate by a drive motor, and several second clamps are evenly installed on the second clamping beam.

[0018] The beneficial effects of this utility model are:

[0019] This invention is designed so that the grooving device 1 on the auxiliary machine and the grooving device 2 on the main machine can perform four-sided grooving in the X-axis and Y-axis directions of the board. After grooving, the board is then cut by a laser cutting device. Grooving in the X-axis and Y-axis directions of the board can be completed in one go before cutting. There is no need to change equipment or rotate the board. It is convenient to use, saves labor and improves work efficiency. Attached Figure Description

[0020] Figure 1 This is a front view of the overall structure of this utility model;

[0021] Figure 2 This is a rear view of the overall structure of this utility model;

[0022] Figure 3This is a top view of the overall structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the frame, worktable, auxiliary machine, and main unit of this utility model.

[0024] Figure 5 yes Figure 4 A schematic diagram showing the removal of the auxiliary machine casing and the main machine casing.

[0025] Figure 6 yes Figure 5 Enlarged view of position A in the middle;

[0026] Figure 7 This is a schematic diagram of the feeding device of this utility model;

[0027] Figure 8 yes Figure 5 Enlarged view of position B in the middle;

[0028] Figure 9 yes Figure 5 Enlarged view of position C in the middle;

[0029] Figure 10 yes Figure 5 Enlarged view of position D in the middle.

[0030] In the picture:

[0031] 1. Frame; 2. Worktable; 21. Guide groove; 3. Auxiliary machine; 31. Protective cover one; 32. Material support frame; 4. Main machine; 41. Protective cover two; 5. Clamping beam one; 51. Clamp one; 52. Slide plate one; 53. Moving motor one; 54. Slide rail one; 55. Gear rail one; 6. Slide plate two; 61. Moving motor two; 62. Slide rail two; 63. Gear rail two; 64. Lifting motor one; 65. Slicing blade assembly one; 66. Pressure plate one; 67. Pressure plate longitudinal beam; 7. Slide plate three; 71. Moving motor three; 72. Slide rail three; 73. Gear rail three; 74. Lifting motor two; 75. Lifting motor three; 76. Planing blade assembly two; 77. Laser cutting head; 78. Pressure plate two; 79. Pressure plate crossbeam; 8. Clamping beam two; 81. Clamping clamp two; 82. Slide rail four; 83. Lead screw; 9. Electrical control box; 10. Operation panel with display screen. Detailed Implementation

[0032] The technical solution of this utility model will be described below with reference to the accompanying drawings and embodiments.

[0033] like Figures 1 to 10As shown, the intelligent four-sided slicing integrated machine of this utility model includes a frame 1, on which a worktable 2, an electrical control box 9, and an operation panel 10 with a display screen are provided; an auxiliary machine 3, located at one end of the worktable 2 in the X-axis direction, with a feeding device 1 on the worktable 2 for feeding materials relative to the auxiliary machine 3, and a grooving device 1 on the auxiliary machine 3 for grooving materials in the Y-axis direction; and a main machine 4, located at one end of the worktable 2 in the Y-axis direction, with a feeding device 2 on one side of the worktable 2 for feeding materials relative to the main machine 4, and a grooving device 2 on the main machine 4 for grooving materials in the X-axis direction and a laser cutting device for laser cutting materials. With this setup, the grooving device 1 on the auxiliary machine 3 and the grooving device 2 on the main machine 4 can perform four-sided grooving in the X-axis and Y-axis directions of the board. After grooving, the board is then cut by the laser cutting device. Grooving in the X-axis and Y-axis directions of the board can be completed in one go before cutting. There is no need to switch equipment or rotate the board. It is convenient to use, saves labor and improves work efficiency.

[0034] Furthermore, the grooving device includes a sliding plate 6, a lifting motor 64, and a cutting blade assembly 65. The sliding plate 6 is slidable relative to the Y-axis of the board on the auxiliary machine 3. The lifting motor 64 is mounted on the sliding plate 6, and its output end is connected to the cutting blade assembly 65. The cutting blade assembly 65 is used to groove the board in the Y-axis direction. The auxiliary machine 3 is equipped with a protective cover 31 corresponding to the grooving device. With this configuration, the sliding plate 6 slides back and forth on the auxiliary machine 3, driving the cutting blade assembly 65 to groove the board in the Y-axis direction. The lifting motor 64 controls the lifting of the cutting blade assembly 65 to pre-adjust its height according to different board thicknesses.

[0035] Furthermore, the auxiliary machine 3 is equipped with a parallel slide rail 62 and a gear rail 63. The slide plate 6 is slidably connected to the slide rail 62, and a movable motor 61 is mounted on the slide plate 6. A gear 2 is fixed to the output end of the movable motor 61, and the gear 2 meshes with the gear rail 63. With this configuration, the movable motor 61 drives the gear 2 to rotate, causing the gear 2 and the gear rail 63 to change position, thereby driving the slide plate 6 to slide back and forth on the slide rail 62.

[0036] In practical applications, multiple slide rails 62 can be provided to make the slide plate 6 slide more smoothly and stably.

[0037] Furthermore, the auxiliary machine 3 is equipped with a pressure plate device for positioning the sheet metal along the Y-axis. The pressure plate device includes a pressure plate 66 and a pressure plate longitudinal beam 67. The pressure plate longitudinal beam 67 can be fixed to the auxiliary machine 3 relative to the sheet metal along the Y-axis. Several pressure plates 66 are evenly distributed on the pressure plate longitudinal beam 67, and the vertical projection of the planing blade assembly 65 is located on the pressure plate longitudinal beam 67. With this configuration, the pressure plates 66 and the pressure plate longitudinal beam 67 work together to clamp and fix the sheet metal along the Y-axis, ensuring that the sheet metal does not shift when the planing blade assembly 65 is planing grooves, thus making the planing position more accurate.

[0038] Furthermore, the feeding device includes a clamping beam 5, clamps 51, and a sliding plate 52. The lower end of the sliding plate 52 slides on the frame 1, and the upper end of the sliding plate 52 passes through the worktable 2 and is fixedly connected to the clamping beam 5. The clamping beam 5 can slide on the worktable 2 relative to the X-axis direction. Several clamps 51 are evenly installed on the clamping beam 5. The auxiliary machine 3 has a material support frame 32 that is flush with the worktable 2 on its outer side. With this configuration, the plate is clamped by the clamps 51, and then the sliding plate 52 slides on the frame 1, driving the clamping beam 5 to slide on the worktable 2, thereby moving the plate back and forth towards the auxiliary machine 3.

[0039] In practical applications, when the grooving device grooves, the board will move to the right. The material support frame 32 can support the board and prevent the right side of the board from hanging down.

[0040] Furthermore, the frame 1 is equipped with a parallel slide rail 54 and a gear rail 55. The slide plate 52 is slidably connected to the slide rail 54. A moving motor 53 is mounted on the slide plate 52, and a gear is fixed to the output end of the moving motor 53. The gear meshes with the gear rail 55. With this configuration, the moving motor 53 drives the gear to rotate, causing a positional change between the gear and the gear rail 55, which in turn drives the slide plate 52 to slide back and forth on the slide rail 54.

[0041] In practical applications, multiple slide rails 54 can be provided to make the slide plate 52 slide more smoothly and stably.

[0042] Furthermore, the worktable 2 has a guide groove 21 in the X-axis direction. The upper end of the slide plate 52 passes through the guide groove 21 and is fixedly connected to the clamp beam 5. The slide plate 52 is slidably disposed with respect to the guide groove 21. This arrangement allows the slide plate 52 to slide horizontally relative to the worktable 2, and the sliding is more stable.

[0043] Furthermore, the grooving device 2 includes a sliding plate 3 7, a lifting motor 2 74, and a cutting blade assembly 2 76. The sliding plate 3 7 can slide relative to the X-axis direction of the board on the main unit 4. The lifting motor 2 74 is mounted on the sliding plate 3 7, and its output end is connected to the cutting blade assembly 2 76. The cutting blade assembly 2 76 is used to groove the board in the X-axis direction. The laser cutting device includes a lifting motor 3 75 and a laser cutting head 77. The lifting motor 3 75 is mounted on the sliding plate 3 7, and its output end is connected to the laser cutting head 77. The laser cutting head 77 and the cutting blade assembly 2 76 are offset in the Y-axis direction of the worktable 2. The laser cutting head 77 is used to laser cut the board. The main unit 4 is provided with a protective cover 2 41 corresponding to the grooving device 2 and the laser cutting device. With this configuration, the sliding plate 3 7 slides back and forth on the main unit 4, driving the slicing blade assembly 2 76 to groove the board along the X-axis. The lifting motor 3 75 and the laser cutting head 77 are integrated and mounted on the sliding plate 3 7, moving synchronously with the sliding plate 3 7. When grooving, the laser cutting head 77 is in a non-cutting state. After grooving is completed, the laser cutting head 77 begins cutting. The lifting motor 2 74 is used to control the lifting and lowering of the slicing blade assembly 2 76, so as to pre-adjust the height position of the slicing blade assembly 2 76 according to different board thicknesses. The lifting motor 3 75 is used to control the lifting and lowering of the laser cutting head 77, making it easy to switch between cutting the board with the laser cutting head 77 and not cutting.

[0044] Furthermore, the host unit 4 is equipped with a parallel slide rail 3 72 and a gear rail 3 73. The slide plate 3 7 is slidably connected to the slide rail 3 72. A movable motor 3 71 is mounted on the slide plate 3 7. A gear 3 is fixed to the output end of the movable motor 3 71, and the gear 3 meshes with the gear rail 3 73. With this configuration, the movable motor 3 71 drives the gear 3 to rotate, causing the gear 3 and the gear rail 3 73 to change position, thereby driving the slide plate 3 7 to slide back and forth on the slide rail 3 72.

[0045] In practical applications, multiple slide rails 72 can be provided to make the sliding plate 3 7 slide more smoothly and stably.

[0046] Furthermore, the host 4 is equipped with a second pressure plate device for positioning the sheet metal along the X-axis. The second pressure plate device includes a second pressure plate 78 and a pressure plate beam 79. The pressure plate beam 79 is fixed to the host 4 relative to the sheet metal along the X-axis. Several second pressure plates 78 are evenly distributed on the pressure plate beam 79. The vertical projection of the second slicing blade assembly 76 is located on the pressure plate beam 79, and the vertical projection of the laser cutting head 77 is located outside the pressure plate beam 79. This configuration, through the cooperation of the second pressure plates 78 and the pressure plate beam 79, clamps and fixes the sheet metal along the X-axis. This ensures that the sheet metal does not shift when the second slicing blade assembly 76 grooves the sheet metal, resulting in more precise grooving, and also ensures that the sheet metal does not shift when the laser cutting head 77 cuts the sheet metal, resulting in more precise cutting.

[0047] Furthermore, the second feeding device includes a clamping beam 8, clamps 81, a slide rail 82, and a lead screw 83. The slide rail 82 and the lead screw 83 are arranged parallel to each other on the frame 1 in the Y-axis direction of the worktable 2. The clamping beam 8 slides on the slide rail 82, and the clamping beam 8 is threadedly connected to the lead screw 83. The lead screw 83 is driven to rotate by a drive motor. Several clamps 81 are evenly installed on the clamping beam 8. With this configuration, the drive motor drives the lead screw 83 to rotate, causing the thread between the lead screw 83 and the clamping beam 8 to change, thereby driving the clamping beam 8 to slide back and forth on the slide rail 82.

[0048] In practical applications, in order to make the sliding of the clamp beam 8 smoother and more stable, multiple slide rails 82 and lead screws 83 can be provided.

[0049] Working principle of this utility model:

[0050] The board is manually loaded onto the worktable 2. The feeding device 1 clamps the board and moves it to a certain position relative to the auxiliary machine 3. Then, the pressure plate device positions the board along the Y-axis. The grooving device then grooves the board along the Y-axis. After grooving, the feeding device 1 pulls the board back to its initial position on the worktable 2 and releases it. The feeding device 2 then clamps the board and moves it to a certain position relative to the main machine 4. The pressure plate device 2 positions the board along the X-axis. The grooving device 2 then grooves the board along the X-axis. After grooving, the board is cut by a laser cutting device. The finished product is then unloaded.

[0051] The embodiments of the present utility model have been described above with reference to the accompanying drawings. However, the present utility model is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of the present utility model without departing from the spirit and scope of the claims. All of these forms are within the scope of protection of the present utility model.

Claims

1. An intelligent four-sided slicing integrated machine, characterized in that, include: A frame (1) is provided with a worktable (2), an electrical control box (9) and an operation panel (10) with a display screen; an auxiliary machine (3) is located at one end of the worktable (2) in the X-axis direction, the worktable (2) is provided with a feeding device that can feed materials relative to the auxiliary machine (3), and the auxiliary machine (3) is provided with a grooving device for grooving the plate in the Y-axis direction; The host (4) is located at one end of the worktable (2) in the Y-axis direction. A feeding device 2 is provided on one side of the worktable (2) for feeding materials relative to the host (4). The host (4) is provided with a grooving device 2 for grooving the plate in the X-axis direction and a laser cutting device for laser cutting the plate.

2. The intelligent four-sided slicing machine according to claim 1, characterized in that: The grooving device includes a sliding plate (6), a lifting motor (64), and a cutting blade assembly (65). The sliding plate (6) can slide relative to the Y-axis direction of the board on the auxiliary machine (3). The lifting motor (64) is mounted on the sliding plate (6). The output end of the lifting motor (64) is connected to the cutting blade assembly (65). The cutting blade assembly (65) is used to groove the board in the Y-axis direction. The auxiliary machine (3) is provided with a protective cover (31) corresponding to the grooving device.

3. The intelligent four-sided slicing integrated machine according to claim 2, characterized in that: The auxiliary machine (3) is provided with a parallel slide rail (62) and a gear rail (63). The slide plate (6) is slidably connected to the slide rail (62). A moving motor (61) is installed on the slide plate (6). A gear is fixed at the output end of the moving motor (61). The gear is meshed with the gear rail (63).

4. The intelligent four-sided slicing integrated machine according to claim 2, characterized in that: The auxiliary machine (3) is provided with a pressure plate device for positioning the plate in the Y-axis direction. The pressure plate device includes a pressure plate (66) and a pressure plate longitudinal beam (67). The pressure plate longitudinal beam (67) can be fixed on the auxiliary machine (3) relative to the plate in the Y-axis direction. Several pressure plates (66) are evenly distributed on the pressure plate longitudinal beam (67). The vertical projection of the cutting blade assembly (65) is located on the pressure plate longitudinal beam (67).

5. The intelligent four-sided slicing integrated machine according to claim 1, characterized in that: The feeding device includes a clamping beam (5), a clamp (51), and a sliding plate (52). The lower end of the sliding plate (52) is slidably located on the frame (1). The upper end of the sliding plate (52) passes through the worktable (2) and is fixedly connected to the clamping beam (5). The clamping beam (5) can slide relative to the X-axis direction of the worktable (2) on the worktable (2). Several clamps (51) are evenly installed on the clamping beam (5). The auxiliary machine (3) is provided with a material support frame (32) that is flush with the worktable (2) on the outside.

6. The intelligent four-sided slicing integrated machine according to claim 5, characterized in that: The frame (1) is provided with a parallel slide rail (54) and a gear rail (55). The slide plate (52) is slidably connected to the slide rail (54). A moving motor (53) is installed on the slide plate (52). A gear is fixed at the output end of the moving motor (53). The gear is meshed with the gear rail (55).

7. The intelligent four-sided slicing integrated machine according to claim 1, characterized in that: The second grooving device includes a sliding plate (7), a second lifting motor (74), and a second slicing blade assembly (76). The third sliding plate (7) can slide relative to the X-axis direction of the board on the main unit (4). The second lifting motor (74) is installed on the third sliding plate (7). The output end of the second lifting motor (74) is connected to the second slicing blade assembly (76). The second slicing blade assembly (76) is used to groove the board in the X-axis direction. The laser cutting device includes a third lifting motor (75) and a laser cutting head (77). The third lifting motor (75) is installed on the third sliding plate (7). The output end of the third lifting motor (75) is connected to the laser cutting head (77). The laser cutting head (77) and the second slicing blade assembly (76) are offset in the Y-axis direction of the worktable (2). The laser cutting head (77) is used to laser cut the board. The main unit (4) is provided with a second protective cover (41) corresponding to the second grooving device and the laser cutting device.

8. The intelligent four-sided slicing integrated machine according to claim 7, characterized in that: The host (4) is provided with a parallel slide rail three (72) and a gear rail three (73). The slide plate three (7) is slidably connected to the slide rail three (72). A moving motor three (71) is installed on the slide plate three (7). A gear three is fixed at the output end of the moving motor three (71). The gear three is meshed with the gear rail three (73).

9. The intelligent four-sided slicing integrated machine according to claim 7, characterized in that: The host (4) is provided with a pressure plate device two for positioning the plate in the X-axis direction. The pressure plate device two includes a pressure plate two (78) and a pressure plate beam (79). The pressure plate beam (79) can be fixed on the host (4) relative to the plate in the X-axis direction. Several pressure plates two (78) are evenly distributed on the pressure plate beam (79). The vertical projection of the cutting blade assembly two (76) is located on the pressure plate beam (79), and the vertical projection of the laser cutting head (77) is located outside the pressure plate beam (79).

10. The intelligent four-sided slicing integrated machine according to claim 1, characterized in that: The second feeding device includes a second clamping beam (8), a second clamp (81), a fourth slide rail (82), and a lead screw (83). The fourth slide rail (82) and the lead screw (83) are arranged parallel to each other on the frame (1) in the Y-axis direction of the worktable (2). The second clamping beam (8) slides on the fourth slide rail (82), and the second clamping beam (8) is threadedly connected to the lead screw (83). The lead screw (83) is driven to rotate by a drive motor. Several second clamps (81) are evenly installed on the second clamping beam (8).

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