Novel anti-vibration sawing machine
By employing a cryogenic assembly and stabilizing cylinder design for the main and secondary shafts, combined with reinforced templates and main and secondary shafts of different diameters, the problem of shortened saw blade life and reduced accuracy caused by vibration in traditional band saws has been solved, achieving higher cutting accuracy and cost-effectiveness.
Patent Information
- Application Number
- CN202423088074.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-14
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-12-14
AI Technical Summary
Traditional band saws suffer from problems such as shortened band life, reduced cutting accuracy, and increased noise due to band vibration during use.
The design incorporates a cryogenic assembly of the main and secondary spindles, a stabilizing cylinder, and a reinforcing template. By combining main and secondary spindles of different diameters and welding the guide sleeves of the main and secondary spindles together with the stabilizing cylinder and reinforcing template, the wobbling of the main and secondary spindles is reduced, preventing overall vibration.
It effectively reduces saw blade vibration, improves sawing accuracy and saw blade life, and reduces production costs.
Smart Images

Figure CN223616881U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of metal cutting equipment technology, specifically a novel anti-vibration saw. Background Technology
[0002] Band saws are machine tools used for sawing various metal materials and are widely used in the metal processing industry. Band saws have the following problems:
[0003] Traditional band saws often suffer from problems such as shortened band life, reduced cutting accuracy, and increased sawing noise due to the vibration of the saw band during use. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a novel anti-vibration saw, which solves the problems mentioned in the background section.
[0005] To achieve the above objectives, this utility model provides the following technical solution: A novel anti-vibration sawing machine, comprising a main machine tool, wherein a secondary shaft and a main shaft are fixedly installed inside the main machine tool; a main shaft guide sleeve is installed circumferentially on the main shaft; a main shaft saw frame connecting plate is fixedly installed on the side end face of the main shaft guide sleeve; a secondary shaft guide sleeve is installed circumferentially on the secondary shaft; a secondary shaft saw frame connecting plate is fixedly connected circumferentially to the secondary shaft guide sleeve; a saw frame is fixedly connected to the side end face of the secondary shaft saw frame connecting plate and the main shaft saw frame connecting plate; a passive band saw wheel and an active band saw wheel are provided on the upper part of the saw frame; a front saw frame is fixedly connected to the front end face of the saw frame; and the upper end faces of the secondary shaft and the main shaft are fixedly installed... The saw has a reinforced template. A movable beam is fixedly installed on the front end face of the front saw frame. A saw blade retainer is provided at the front of the movable beam. A saw blade retainer clamp is fixedly installed at the lower part of the saw blade retainer. A cutting positioning grid is fixedly installed on the front end face of the movable beam. A transmission seat and a secondary shaft stabilizing cylinder are fixedly installed on the lower end face of the saw frame. A transmission seat input shaft is connected to the right end of the transmission seat. A motor mounting bracket is fixedly connected to the upper part of the transmission seat. A motor is fixedly connected to the lower end of the motor mounting bracket. A pulley box is provided on the right side of the motor and the transmission seat. A secondary shaft stabilizing rod is connected to the right end of the secondary shaft stabilizing cylinder. The secondary shaft stabilizing rod is fixedly connected to the shaft of the passive band saw wheel.
[0006] As a preferred embodiment of this utility model, the main machine tool is provided with a waste chip trough and a cooling water trough. The waste chip trough is provided with a conveying auger. A chip removal frame is fixedly installed on the right end face of the waste chip trough. A chip removal motor is fixedly installed on the right end face of the chip removal frame.
[0007] As a preferred embodiment of this utility model, a clamping fixing seat is fixedly installed on the upper end face of the main machine tool, a guide rail is fixedly installed on the upper end face of the clamping fixing seat, a front fixing clamping plate fixing seat is fixedly installed on the right end face of the clamping fixing seat, a front fixing clamping plate is fixedly installed on the left end face of the front fixing clamping plate fixing seat, a front clamping cylinder is fixedly installed on the left end face of the clamping fixing seat, and a front moving clamping plate is fixedly connected to the right end of the front clamping cylinder.
[0008] As a preferred embodiment of this utility model, a secondary machine tool is fixedly installed on the rear end face of the main machine tool, and a feeding fixing frame and a feeding rear fixing seat are fixedly installed on the upper end face of the secondary machine tool. A conveying roller is provided inside the feeding fixing frame, a feeding cylinder is fixedly installed on the rear end face of the feeding rear fixing seat, and a movable support frame guide rod is fixedly installed inside the feeding rear fixing seat. The front end face of the movable support frame guide rod is fixedly connected to the rear end face of the clamping fixing seat, and a movable support frame is provided circumferentially on the movable support frame guide rod.
[0009] As a preferred embodiment of this utility model, a feeding cylinder connector is fixedly connected to the top of the feeding cylinder, the feeding cylinder connector is fixedly connected to the rear end face of the movable support frame, a rear fixing clamp fixing seat is fixedly installed on the upper left side of the movable support frame, and a rear fixing clamp is fixedly installed on the left end face of the rear fixing clamp fixing seat.
[0010] As a preferred embodiment of this utility model, a feeding clamping support seat is fixedly installed on the upper right side of the movable support frame. A feeding clamping guide rod is installed through the inside of the feeding clamping support seat. Feeding clamping fixing frames are fixedly installed on the left and right end faces of the feeding clamping guide rod. A rear moving clamping plate is fixedly installed on the inner end face of the feeding clamping fixing frame. A rear clamping cylinder is fixedly installed on the outer inner end face of the feeding clamping support seat. The piston rod of the rear clamping cylinder is fixedly connected to the inner end face of the feeding clamping fixing frame.
[0011] As a preferred embodiment of this utility model, a power distribution box support is fixedly installed on the front end face of the main machine tool, and a power distribution box is fixedly installed on the upper end face of the power distribution box support; a lifting cylinder fixing seat is fixedly installed inside the main machine tool, a lifting cylinder is connected to the upper end of the lifting cylinder fixing seat, and the top end of the lifting cylinder is fixedly connected to the spindle saw frame connecting plate.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] This utility model, by setting up a refrigerated assembly for the main shaft and the auxiliary shaft, a stabilizing cylinder, and a reinforced template, can prevent overall vibration caused by the shaking of the main shaft and the auxiliary shaft during processing, thereby effectively reducing saw blade vibration and improving sawing accuracy and saw blade life.
[0014] By setting main and secondary shafts of different diameters, the overall capital investment of the equipment can be reduced while ensuring the strength of the overall structure, thereby reducing production costs and making it more competitive in the market. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the front isometric structure of the present invention;
[0016] Figure 2 This is a schematic diagram of the rear equiaxed side structure of the present invention;
[0017] Figure 3 This is a top view of the structure of the present invention;
[0018] Figure 4 This is a schematic diagram of the left-side structure of the present invention;
[0019] Figure 5 This is a schematic diagram of the front isometric view of part of the structure of the present invention;
[0020] Figure 6 This is a schematic diagram of the rear isometric side of part of the structure of the present invention;
[0021] Figure 7 This is a rear view schematic diagram of part of the structure of the present invention.
[0022] In the diagram: 1. Main machine tool; 2. Clamping and fixing seat; 3. Saw blade retainer; 4. Saw blade retainer; 5. Distribution box; 6. Passive band saw wheel; 7. Moving beam; 8. Sub-spindle; 9. Cutting positioning grid; 10. Front saw frame; 11. Reinforced template; 12. Saw frame; 13. Conveyor roller; 14. Feed fixing frame; 15. Main spindle; 16. Driven band saw wheel; 17. Pulley box; 18. Cooling water tank; 19. Chip conveyor motor; 20. Chip conveyor frame; 21. Main spindle guide sleeve; 22. Distribution box support; 23. Moving support frame; 24. Sub-machine tool; 25. Feed cylinder; 26. Cooling water outlet; 27. Rear fixed clamping plate fixing seat; 28. Motor; 29. Transmission seat input shaft; 30. Motor 31. Fixed frame; 32. Transmission seat; 33. Rear fixed clamping plate; 34. Sub-shaft saw frame connecting plate; 35. Feed clamping fixing frame; 36. Sub-shaft stabilizing rod; 37. Sub-shaft stabilizing cylinder; 38. Waste chip chute; 39. Conveying auger; 40. Feed cylinder connector; 41. Front clamping cylinder; 42. Front moving clamping plate; 43. Front fixed clamping plate fixing seat; 44. Guide rail; 45. Sub-shaft guide sleeve; 46. Rear clamping cylinder; 47. Rear moving clamping plate; 48. Front fixed clamping plate; 49. Feed clamping guide rod; 50. Feed clamping support seat; 51. Lifting cylinder; 52. Main shaft saw frame connecting plate; 53. Lifting cylinder fixing seat; 54. Moving support frame guide rod. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example
[0024] Please see Figure 1-7 This utility model provides the following technical solution: A novel anti-vibration saw, comprising a main machine tool 1, with a secondary shaft 8 and a main shaft 15 fixedly installed inside the main machine tool 1. A main shaft guide sleeve 21 is installed circumferentially on the main shaft 15, and a main shaft saw frame connecting plate 52 is fixedly installed on the side end face of the main shaft guide sleeve 21. A secondary shaft guide sleeve 44 is installed circumferentially on the secondary shaft 8, and a secondary shaft saw frame connecting plate 33 is fixedly connected circumferentially to the secondary shaft guide sleeve 44. A saw frame 12 is fixedly connected to the side end face of the secondary shaft saw frame connecting plate 33 and the main shaft saw frame connecting plate 52. A passive band saw wheel 6 and an active band saw wheel 16 are provided on the upper part of the saw frame 12. A front saw frame 10 is fixedly connected to the front end face of the saw frame 12. A reinforcing device is fixedly installed on the upper end face of the secondary shaft 8 and the main shaft 15. Template 11, a movable beam 7 is fixedly installed on the front end face of the front saw frame 10, a saw blade retainer 4 is provided at the front of the movable beam 7, a saw blade retainer clamp 3 is fixedly installed at the lower part of the saw blade retainer 4, a cutting positioning grid 9 is fixedly installed on the front end face of the movable beam 7, a transmission seat 31 and a secondary shaft stabilizing cylinder 36 are fixedly installed on the lower end face of the saw frame 12, a transmission seat input shaft 29 is connected to the right end of the transmission seat 31, a motor fixing frame 30 is fixedly connected to the upper part of the transmission seat 31, a motor 28 is fixedly connected to the lower end of the motor fixing frame 30, a pulley box 17 is provided on the right side of the motor 28 and the transmission seat 31, a secondary shaft stabilizing rod 35 is connected to the right end of the secondary shaft stabilizing cylinder 36, and the secondary shaft stabilizing rod 35 is fixedly connected to the shaft of the passive band saw wheel 6.
[0025] In this embodiment, the diameter of the main shaft 15 is larger than that of the auxiliary shaft 8. Using lifting shafts of different diameters reduces equipment production costs while ensuring strength and stability. The main shaft 15 and auxiliary shaft 8 are connected by an interference fit. The main shaft guide sleeve 21 has an outer square and inner circular structure, allowing for a tighter connection and reducing vibration during sawing. The auxiliary shaft guide sleeve 44 is welded to the auxiliary shaft saw frame connecting plate 33. The auxiliary shaft saw frame connecting plate 33, the main shaft saw frame connecting plate 52, and the saw frame 12 are also welded together. The front saw frame 10 is positioned between the auxiliary shaft 8 and the main shaft 15. The reinforcing template 11 is used during cutting. The moving beam 7 is fixed to the front saw frame 10 with threaded bolts to prevent vibration of the secondary shaft 8 during cutting, thereby improving cutting accuracy. The cutting positioning grid 9 can move up and down to position the saw blade during cutting and prevent saw blade vibration. The transmission seat 31 is fixed to the secondary shaft stabilizing cylinder 36 with bolts. During sawing, the secondary shaft stabilizing cylinder 36 and the secondary shaft stabilizing rod 35 can keep the passive band saw wheel 6 stable at all times. A pulley is provided on the input shaft 29 of the transmission seat. A belt is provided between the motor 28 and the pulley to transmit power to the transmission seat 31 through the belt. The transmission seat 31 is coaxial with the active band saw wheel 16, thereby driving the active band saw wheel 16 to rotate.
[0026] Specifically, the main machine tool 1 is equipped with a waste chip trough 37 and a cooling water tank 18. The waste chip trough 37 is equipped with a conveying auger 38. A chip removal frame 20 is fixedly installed on the right end face of the waste chip trough 37, and a chip removal motor 19 is fixedly installed on the right end face of the chip removal frame 20.
[0027] In this embodiment, the waste chip trough 37 is arranged in a left-low-right-high configuration. The lower part of the chip conveyor 20 is provided with an opening for discharging the cutting chips. The chip conveyor motor 19 is connected to the chip conveyor 20 by bolts. The rear end of the main machine tool 1 is provided with a cooling water outlet 26, which is integrated with the main machine tool 1. During cutting, the cooling water outlet 26 sprays coolant onto the steel to be cut.
[0028] Specifically, a clamping base 2 is fixedly installed on the upper end face of the main machine tool 1, a guide rail 43 is fixedly installed on the upper end face of the clamping base 2, a front fixed clamping plate base 42 is fixedly installed on the right end face of the clamping base 2, a front fixed clamping plate 48 is fixedly installed on the left end face of the front fixed clamping plate base 42, a front clamping cylinder 40 is fixedly installed on the left end face of the clamping base 2, and a front moving clamping plate 41 is fixedly connected to the right end of the front clamping cylinder 40.
[0029] In this embodiment, the main machine tool 1 and the clamping and fixing seat 2 are fixed with bolts. There are two guide rails 43 and a slider is provided under the front moving clamping plate 41. Under the operation of the front clamping cylinder 40, the front moving clamping plate 41 can be pushed to move along the guide rail 43 to complete the clamping and fixing of the workpiece to be cut and prevent vibration during cutting.
[0030] Specifically, a secondary machine tool 24 is fixedly installed on the rear end face of the main machine tool 1. A feeding fixing frame 14 and a feeding rear fixing seat 47 are fixedly installed on the upper end face of the secondary machine tool 24. A conveying roller 13 is provided inside the feeding fixing frame 14. A feeding cylinder 25 is fixedly installed on the rear end face of the feeding rear fixing seat 47. A movable support frame guide rod 54 is fixedly installed inside the feeding rear fixing seat 47. The front end face of the movable support frame guide rod 54 is fixedly connected to the rear end face of the clamping fixing seat 2. A movable support frame 23 is provided around the movable support frame guide rod 54.
[0031] In this embodiment, the main machine tool 1 and the auxiliary machine tool 24 are cast as one piece. The feeding fixed frame 14 is fixed with bolt fixing seat. There are six conveying rollers 13. After clamping the steel, the feeding and conveying can be more labor-saving. Under the drive of the feeding cylinder 25, the moving support frame 23 can reciprocate along the moving support frame guide rod 54 to realize the feeding and conveying of the material to be cut. There are two symmetrical moving support frame guide rods 54.
[0032] Specifically, a feed cylinder connector 39 is fixedly connected to the top of the feed cylinder 25, and the feed cylinder connector 39 is fixedly connected to the rear end face of the movable support frame 23. A rear fixing clamp seat 27 is fixedly installed on the upper left side of the movable support frame 23, and a rear fixing clamp 32 is fixedly installed on the left end face of the rear fixing clamp seat 27.
[0033] In this embodiment, the feed cylinder connector 39 connects the feed cylinder 25 to the movable support frame 23 by means of a threaded connection, and the rear fixed clamp fixing seat 27 is fixed by threaded bolts.
[0034] Specifically, a feeding clamping support seat 50 is fixedly installed on the upper right side of the movable support frame 23. A feeding clamping guide rod 49 is installed through the inside of the feeding clamping support seat 50. Feeding clamping fixing frames 34 are fixedly installed on the left and right end faces of the feeding clamping guide rod 49. A rear moving clamping plate 46 is fixedly installed on the inner end face of the feeding clamping fixing frame 34. A rear clamping cylinder 45 is fixedly installed on the outer end face of the inside of the feeding clamping support seat 50. The piston rod of the rear clamping cylinder 45 is fixedly connected to the inner end face of the feeding clamping fixing frame 34.
[0035] In this embodiment, two feeding clamping guide rods 49 are provided, and the feeding clamping fixing frame 34 is suspended on the movable support frame 23. Under the operation of the rear clamping cylinder 45, the entire feeding clamping fixing frame 34 can move back and forth to achieve clamping and fixing of the material to be cut. The rear movable clamping plate 46 is connected to the feeding clamping fixing frame 34 with bolts.
[0036] Specifically, a power distribution box support 22 is fixedly installed on the front end face of the main machine tool 1, and a power distribution box 5 is fixedly installed on the upper end face of the power distribution box support 22; a lifting cylinder fixing seat 53 is fixedly installed inside the main machine tool 1, a lifting cylinder 51 is connected to the upper end of the lifting cylinder fixing seat 53, and the top end of the lifting cylinder 51 is fixedly connected to the spindle saw frame connecting plate 52.
[0037] In this embodiment, the distribution box support 22 is connected to the main machine tool 1 by welding, and the distribution box 5 is connected to the distribution box support 22 by threaded bolts. The distribution box 5 is equipped with various control buttons and a control screen. The lifting cylinder fixing seat 53 is connected to the lifting cylinder 51 by hinge. The top of the side end face of the lifting cylinder 51 is fitted with a positioning device that can monitor the working status of the lifting cylinder 51.
[0038] The working principle and usage process of this utility model: When the operator turns on the power, the motor 28 starts working. Driven by the motor 28, power is transmitted to the transmission seat 31 through the pulley, thereby driving the active band saw wheel 16 to rotate. The band saw mounted on the active band saw wheel 16 and the passive band saw wheel 6 rotates and cuts. The lifting cylinder 51 is controlled to rise, thereby driving the saw frame 12 to lift and placing the steel to be cut onto the feeding fixed frame 14 and the conveying roller 13. Then, the feeding cylinder 25 begins to retract, thereby moving the movable support frame 23 backward. After it is in place, the rear clamping cylinder 4... 5. Start working, clamp the workpiece to be processed, then the feeding cylinder 25 extends, and after reaching the designated cutting position, the front clamping cylinder 40 starts working, cooperating with the front fixed clamping plate 40 to clamp the workpiece to be processed, then lower the cutting positioning grid 9, and then control the lifting cylinder 51 to retract, so that the saw frame 12 drops, thereby completing the cutting process. At the same time, the coolant drawn out from the cooling water outlet 26 is sprayed onto the workpiece to be cut to cool it down. The iron chips that fall into the waste chip trough 37 are discharged through the chip discharge port at the bottom of the chip discharge frame 20 by the operation of the chip discharge motor 19 and the rotation of the conveying auger 38.
[0039] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A novel anti-vibration saw, comprising a main machine (1), characterized in that: The main machine tool (1) has a secondary shaft (8) and a main shaft (15) fixedly installed inside. A main shaft guide sleeve (21) is installed circumferentially on the main shaft (15). A main shaft saw frame connecting plate (52) is fixedly installed on the side end face of the main shaft guide sleeve (21). A secondary shaft guide sleeve (44) is installed circumferentially on the secondary shaft (8). A secondary shaft saw frame connecting plate (33) is fixedly connected circumferentially to the secondary shaft guide sleeve (44). A saw frame (12) is fixedly connected to the side end face of the secondary shaft saw frame connecting plate (33) and the main shaft saw frame connecting plate (52). A passive band saw wheel (6) and an active band saw wheel (16) are provided on the upper part of the saw frame (12). A front saw frame (10) is fixedly connected to the front end face of the saw frame (12). A reinforcing template (11) is fixedly installed on the upper end face of the secondary shaft (8) and the main shaft (15). The front end face of the front saw frame (10) is fixedly connected to the front end face of the saw frame (10). A movable beam (7) is installed, and a saw blade retainer (4) is provided at the front of the movable beam (7). A saw blade retainer clamp (3) is fixedly installed at the lower part of the saw blade retainer (4). A cutting positioning grid (9) is fixedly installed on the front end face of the movable beam (7). A transmission seat (31) and a secondary shaft stabilizing cylinder (36) are fixedly installed on the lower end face of the saw frame (12). A transmission seat input shaft (29) is connected to the right end of the transmission seat (31). A motor fixing frame (30) is fixedly connected to the upper part of the transmission seat (31). A motor (28) is fixedly connected to the lower end of the motor fixing frame (30). A pulley box (17) is provided on the right side of the motor (28) and the transmission seat (31). A secondary shaft stabilizing rod (35) is connected to the right end of the secondary shaft stabilizing cylinder (36). The secondary shaft stabilizing rod (35) is fixedly connected to the shaft center of the passive band saw wheel (6).
2. The novel anti-vibration saw according to claim 1, characterized in that: The main machine tool (1) is provided with a waste chip trough (37) and a cooling water trough (18). The waste chip trough (37) is provided with a conveying auger (38). A chip removal frame (20) is fixedly installed on the right end face of the waste chip trough (37). A chip removal motor (19) is fixedly installed on the right end face of the chip removal frame (20).
3. The novel anti-vibration saw according to claim 1, characterized in that: The upper end face of the main machine tool (1) is fixedly installed with a clamping fixing seat (2), the upper end face of the clamping fixing seat (2) is fixedly installed with a guide rail (43), the right end face of the clamping fixing seat (2) is fixedly installed with a front fixing clamping plate fixing seat (42), the left end face of the front fixing clamping plate fixing seat (42) is fixedly installed with a front fixing clamping plate (48), the left end face of the clamping fixing seat (2) is fixedly installed with a front clamping cylinder (40), and the right end of the front clamping cylinder (40) is fixedly connected with a front moving clamping plate (41).
4. The novel anti-vibration saw according to claim 3, characterized in that: A secondary machine tool (24) is fixedly installed on the rear end face of the main machine tool (1). A feeding fixing frame (14) and a feeding rear fixing seat (47) are fixedly installed on the upper end face of the secondary machine tool (24). A conveying roller (13) is provided inside the feeding fixing frame (14). A feeding cylinder (25) is fixedly installed on the rear end face of the feeding rear fixing seat (47). A movable support frame guide rod (54) is fixedly installed inside the feeding rear fixing seat (47). The front end face of the movable support frame guide rod (54) is fixedly connected to the rear end face of the clamping fixing seat (2). A movable support frame (23) is provided around the movable support frame guide rod (54).
5. A novel anti-vibration saw according to claim 4, characterized in that: The top of the feed cylinder (25) is fixedly connected to the feed cylinder connector (39), the feed cylinder connector (39) is fixedly connected to the rear end face of the movable support frame (23), the upper left side of the movable support frame (23) is fixedly installed with the rear fixing clamp seat (27), and the left end face of the rear fixing clamp seat (27) is fixedly installed with the rear fixing clamp (32).
6. A novel anti-vibration saw according to claim 5, characterized in that: A feeding clamping support seat (50) is fixedly installed on the upper right side of the movable support frame (23). A feeding clamping guide rod (49) is installed through the inside of the feeding clamping support seat (50). A feeding clamping fixing frame (34) is fixedly installed on the left and right sides of the feeding clamping guide rod (49). A rear moving clamping plate (46) is fixedly installed on the inner end face of the feeding clamping fixing frame (34). A rear clamping cylinder (45) is fixedly installed on the outer inner end face of the feeding clamping support seat (50). The piston rod of the rear clamping cylinder (45) is fixedly connected to the inner end face of the feeding clamping fixing frame (34).
7. A novel anti-vibration saw according to claim 1, characterized in that: The front end face of the main machine tool (1) is fixedly installed with a power distribution box support (22), and the upper end face of the power distribution box support (22) is fixedly installed with a power distribution box (5); the inside of the main machine tool (1) is fixedly installed with a lifting cylinder fixing seat (53), the upper end of the lifting cylinder fixing seat (53) is connected with a lifting cylinder (51), and the top end of the lifting cylinder (51) is fixedly connected to the spindle saw frame connecting plate (52).