Punching, drilling and sawing all-in-one machine for vertical sides of polymer bridges

Abstract

The utility model relates to the technical field of machining of polymer bridge stand vertical sides, in particular to a polymer bridge stand vertical side punching, drilling and sawing all-in-one machine which facilitates limiting and auxiliary guiding of polymer bridge stand vertical sides, improves practicability and combines punching, drilling and cutting together to improve practicability. Comprising a drilling mechanism and a cutting mechanism; the punching machine further comprises a limiting mechanism, a guiding mechanism, a punching mechanism, a first lifting mechanism and a second lifting mechanism, the guiding mechanism is installed on the limiting mechanism, the punching mechanism is installed on the limiting mechanism, the first lifting mechanism is installed at the top end of the limiting mechanism, the drilling mechanism is installed on the first lifting mechanism, and the second lifting mechanism is installed on the first lifting mechanism. And the cutting mechanism is mounted on the second lifting mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of polymer bridge frame Nippon processing, in particular to a polymer bridge frame Nippon punching, drilling, sawing and cutting integrated machine. Background Art

[0002] The main polymer material of the steel frame of the polymer bridge is PVC, commonly known as plastic, scientifically known as polyvinyl chloride, a thermoplastic resin formed by the polymerization of vinyl chloride under the action of an initiator. Generally, Nippon paint of polymer bridges needs to be punched, drilled and cut for easy installation.

[0003] In the existing polymer bridge Nippon paint processing technology, for example, the prior art with application number CN202123148835.6, includes a machine body, a mounting frame, a lower mold, an upper mold, a feeding mechanism, a mounting plate, a driven roller and a rubber wheel, etc. Through the set transmission mechanism, feeding mechanism, drive assembly and feeding mechanism, the kinetic energy generated by the up and down movement of the upper mold can be used for automatic loading without manual loading.

[0004] However, the prior art can only punch holes in polymer bridges, but is not convenient for drilling and cutting, which reduces practicality. In addition, the prior art is not convenient for guiding polymer bridges of different sizes, which reduces the punching quality. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a polymer bridge frame Nippon punching, drilling and sawing integrated machine which is convenient for limiting and auxiliary guiding the polymer bridge frame Nippon to improve practicality, and combines punching, drilling and cutting together to improve practicality.

[0006] The utility model discloses a polymer bridge frame punching, drilling, sawing and cutting integrated machine, including a drilling mechanism and a cutting mechanism; it also includes a limiting mechanism, a guiding mechanism, a punching mechanism, a first lifting mechanism and a second lifting mechanism, wherein the guiding mechanism is mounted on the limiting mechanism, the punching mechanism is mounted on the limiting mechanism, the first lifting mechanism is mounted on the top of the limiting mechanism, the drilling mechanism is mounted on the first lifting mechanism, the second lifting mechanism is mounted on the first lifting mechanism, and the cutting mechanism is mounted on the second lifting mechanism, the limiting mechanism is convenient for fixing polymer bridge frames of different sizes, the guiding mechanism is convenient for fixing the polymer bridge The bridge frame is guided and transported, the punching mechanism is convenient for punching holes in the polymer bridge frame, the first lifting mechanism assists the drilling mechanism to drill holes in the polymer bridge frame, and the second lifting mechanism assists the cutting mechanism to cut the polymer bridge frame; the limiting mechanism is convenient for fixing polymer bridge frames of different sizes, the guiding mechanism facilitates the guided transportation of the polymer bridge frame, the punching mechanism is convenient for punching holes in the polymer bridge frame, the first lifting mechanism assists the drilling mechanism to drill holes in the polymer bridge frame, and the second lifting mechanism assists the cutting mechanism to cut the polymer bridge frame, thereby improving practicality.

[0007] Preferably, the limiting mechanism includes a base plate, two limiting plates, a limiting box, a first slider, two first connecting rods and a cylinder, a slide groove is provided on the base plate, the two limiting plates are slidably installed in the slide groove of the base plate, the limit box is installed at the bottom end of the base plate, a chamber is provided in the limit box, a slide groove is provided on the inner wall of the limit box, the first slider is slidably installed in the slide groove, one end of the two first connecting rods are rotatably installed on the first slider, the other ends of the two first connecting rods are respectively rotatably installed on the two limiting plates, the cylinder is installed at the bottom end of the limit box, and the movable end of the cylinder is connected to the first slider; the first slider is driven to slide in the limit box by opening the cylinder, and then the two limiting plates are pulled toward each other by the two first connecting rods, and the polymer bridge frame Nippon is limited by the two limiting plates.

[0008] Preferably, the guide mechanism includes a guide box, a spring, a sliding plate, a mounting plate and a guide roller, the guide box is installed on the side wall of the limit plate, a chamber is arranged in the guide box, the sliding plate is slidably installed in the guide box, one end of the spring is installed on the sliding plate, the spring is installed on the inner wall of the guide box, the mounting plate is connected to the sliding plate through a connecting rod, and the guide roller is rotatably installed on the mounting plate through a bracket; the first slider is driven to slide in the limit box by opening the cylinder, and then the two limit plates are pulled toward each other through the two first connecting rods, and the polymer bridge frame Nippon is limited by the two limit plates until the guide roller contacts the polymer bridge frame Nippon, and the guide roller limits and fixes the polymer bridge frame Nippon through the elasticity of the spring, and the polymer bridge frame Nippon is conveniently transported and moved to the next process through the rotation of the guide roller, thereby improving practicality.

[0009] Preferably, the punching mechanism includes a first mounting frame, a hydraulic cylinder, a punching head, a slide and a sliding aggregate box, the first mounting frame is mounted on the top of the base plate, the hydraulic cylinder is mounted on the first mounting frame, the punching head is mounted on the bottom end of the hydraulic cylinder, the slide is mounted on the bottom end of the base plate, and the sliding aggregate box is slidably mounted in the slide; the polymer bridge frame Nippon is punched by opening the hydraulic cylinder and the waste enters the sliding aggregate box. When the sliding aggregate box needs to be cleaned, the waste in the sliding aggregate box can be easily processed by sliding the sliding aggregate box out of the slide.

[0010] Preferably, the first lifting mechanism includes a second mounting frame, a sliding sleeve, a sliding rod, a first lead screw and a first motor, the second mounting frame is mounted on the top of the base plate, the sliding sleeve is mounted on the second mounting frame, the sliding rod is slidably mounted in the sliding sleeve, the first lead screw is rotatably mounted in the sliding sleeve, a threaded hole is provided on the sliding rod, the sliding rod is threadably matched with the first lead screw, the first motor is mounted on the top of the sliding sleeve, and the output end of the first motor is connected to the first lead screw; when the position of the drilling mechanism is to be adjusted, the first motor is turned on to drive the first lead screw to rotate, and then the sliding rod is driven to slide in the sliding sleeve through the threaded relationship, thereby adjusting the position of the drilling mechanism, and facilitating the adjustment of the drilling depth of the drilling mechanism.

[0011] Preferably, the drilling mechanism includes a second motor and a drill bit, the second motor is installed at the bottom end of the sliding rod, and the drill bit is installed on the output end of the second motor; the drill bit is driven to rotate by turning on the second motor, and then the polymer bridge Nippon paint is drilled by the drill bit.

[0012] Preferably, the second lifting mechanism includes a sliding mounting frame, a second lead screw, two second sliding blocks, two second connecting rods and a third motor, the sliding mounting frame is slidably mounted on the inner wall of the second mounting frame, the second lead screw is rotatably mounted on the inner wall of the second mounting frame, the second mounting frame is provided with a slide groove, the two second sliding blocks are slidably mounted in the slide groove of the second mounting frame, the two second sliding blocks are provided with internal threads in opposite directions, the two second sliding blocks are threadedly matched with the second lead screw, one end of the two second connecting rods are rotatably mounted on the top end of the sliding mounting frame, the other ends of the two second connecting rods are respectively rotatably mounted on the two second sliding blocks, the third motor is mounted on the outer wall of the second mounting frame, and the output end of the third motor is connected to the second lead screw; the second lead screw is driven to rotate by turning on the third motor, and then the two second sliding blocks are driven to slide in the slide groove of the second mounting frame through the threaded relationship, and then the height of the sliding mounting frame is adjusted through the second connecting rod, which facilitates the adjustment of the cutting height of the cutting mechanism.

[0013] Preferably, the cutting mechanism includes a protective cover, a cutting knife, a fourth motor and a transmission belt, the protective cover is installed on the top of the sliding mounting frame, the cutting knife is rotatably installed in the protective cover, the fourth motor is installed on the top of the sliding mounting frame, and the transmission belt connects the cutting knife and the output end of the fourth motor; turn on the fourth motor, drive the cutting knife to rotate through the transmission belt, and cut the polymer bridge frame Nippon paint through the cutting knife.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the limiting mechanism facilitates the fixation of polymer bridge frames of different sizes, the guiding mechanism facilitates the guided transportation of the polymer bridge frame, the punching mechanism facilitates the punching of the polymer bridge frame, the first lifting mechanism assists the drilling mechanism to drill the polymer bridge frame, and the second lifting mechanism assists the cutting mechanism to cut the polymer bridge, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0016] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0017] Figure 3 It is a third axonometric structural schematic diagram of the utility model;

[0018] Figure 4 It is a first side structural schematic diagram of the utility model;

[0019] Figure 5 It is a second side structural schematic diagram of the utility model;

[0020] Figure 6 It is a third side structural schematic diagram of the utility model;

[0021] Figure 7 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0022] Figure 8 It is a front cross-sectional structural schematic diagram of the utility model;

[0023] Fig. 9 It is a fourth cross-sectional structural schematic diagram of the utility model;

[0024] Markings in the attached drawings: 01, limit mechanism; 11, bottom plate; 12, limit plate; 13, limit box; 14, first slider; 15, first connecting rod; 16, cylinder; 02, guide mechanism; 21, guide box; 22, spring; 23, sliding plate; 24, mounting plate; 25, guide roller; 03, punching mechanism; 31, first mounting frame; 32, hydraulic cylinder; 33, punching head; 34, slideway; 35, sliding collection box; 04, first elevator Structure; 41, second mounting frame; 42, sliding sleeve; 43, sliding rod; 44, first lead screw; 45, first motor; 05, drilling mechanism; 51, second motor; 52, drill bit; 06, second lifting mechanism; 61, sliding mounting frame; 62, second lead screw; 63, second slider; 64, second connecting rod; 65, third motor; 07, cutting mechanism; 71, protective cover; 72, cutting knife; 73, fourth motor; 74, transmission belt. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0026] Example 1

[0027] like Figures 2 to 8 As shown, it includes a drilling mechanism 05 and a cutting mechanism 07, and also includes a limiting mechanism 01, a guiding mechanism 02, a punching mechanism 03, a first lifting mechanism 04 and a second lifting mechanism 06. The guiding mechanism 02 is installed on the limiting mechanism 01, the punching mechanism 03 is installed on the limiting mechanism 01, the first lifting mechanism 04 is installed on the top of the limiting mechanism 01, the drilling mechanism 05 is installed on the first lifting mechanism 04, the second lifting mechanism 06 is installed on the first lifting mechanism 04, and the cutting mechanism 07 is installed on the second lifting mechanism 06;

[0028] The limiting mechanism 01 facilitates the fixing of polymer bridge frames of different sizes, the guiding mechanism 02 facilitates the guided transportation of the polymer bridge frames, the punching mechanism 03 facilitates the punching of the polymer bridge frames, the first lifting mechanism 04 assists the drilling mechanism 05 to drill the polymer bridge frames, and the second lifting mechanism 06 assists the cutting mechanism 07 to cut the polymer bridge frames;

[0029] The limiting mechanism 01 includes a bottom plate 11, two limiting plates 12, a limiting box 13, a first slider 14, two first connecting rods 15 and a cylinder 16. A slide groove is provided on the bottom plate 11. The two limiting plates 12 are both slidably installed in the slide groove of the bottom plate 11. The limiting box 13 is installed at the bottom end of the bottom plate 11. A chamber is provided in the limiting box 13. A slide groove is provided on the inner wall of the limiting box 13. The first slider 14 is slidably installed in the slide groove. One ends of the two first connecting rods 15 are both rotatably installed on the first slider 14. The other ends of the two first connecting rods 15 are respectively rotatably installed on the two limiting plates 12. The cylinder 16 is installed at the bottom end of the limiting box 13. The movable end of the cylinder 16 is connected to the first slider 14.

[0030] The guide mechanism 02 includes a guide box 21, a spring 22, a sliding plate 23, a mounting plate 24 and a guide roller 25. The guide box 21 is mounted on the side wall of the limit plate 12. A chamber is provided in the guide box 21. The sliding plate 23 is slidably mounted in the guide box 21. One end of the spring 22 is mounted on the sliding plate 23. The spring 22 is mounted on the inner wall of the guide box 21. The mounting plate 24 is connected to the sliding plate 23 through a connecting rod. The guide roller 25 is rotatably mounted on the mounting plate 24 through a bracket.

[0031] The punching mechanism 03 includes a first mounting frame 31, a hydraulic cylinder 32, a punching head 33, a slide 34 and a sliding material collection box 35. The first mounting frame 31 is mounted on the top of the bottom plate 11, the hydraulic cylinder 32 is mounted on the first mounting frame 31, the punching head 33 is mounted on the bottom end of the hydraulic cylinder 32, the slide 34 is mounted on the bottom end of the bottom plate 11, and the sliding material collection box 35 is slidably mounted in the slide 34;

[0032] The first slider 14 is driven to slide in the limit box 13 by opening the cylinder 16, and then the two limit plates 12 are pulled to move toward each other through the two first connecting rods 15, and the polymer bridge frame Nippon is limited by the two limit plates 12, and the first slider 14 is driven to slide in the limit box 13 by opening the cylinder 16, and then the two limit plates 12 are pulled to move toward each other through the two first connecting rods 15, and the polymer bridge frame Nippon is limited by the two limit plates 12 until the guide roller 25 contacts the polymer bridge frame Nippon, and the elasticity of the spring 22 makes the guide roller 25 limit and fix the polymer bridge frame Nippon, and the guide roller 25 is fixed to the polymer bridge frame Nippon by the elasticity of the spring 22. The rotation of the guide roller 25 facilitates the transportation and movement of the polymer bridge frame Nippon to the next process, thereby improving practicality. By opening the hydraulic cylinder 32, the punching head 33 is pushed to punch holes in the polymer bridge frame Nippon, and the waste enters the sliding collection box 35. When the sliding collection box 35 needs to be cleaned, the sliding collection box 35 is slid out of the slide 34 to facilitate the processing of the waste in the sliding collection box 35. The first lifting mechanism 04 assists the drilling mechanism 05 to drill holes in the polymer bridge frame Nippon, and the second lifting mechanism 06 assists the cutting mechanism 07 to cut the polymer bridge, thereby improving practicality.

[0033] Example 2

[0034] like Figure 5 and Fig. 9 As shown, it includes a drilling mechanism 05 and a cutting mechanism 07, and also includes a limiting mechanism 01, a guiding mechanism 02, a punching mechanism 03, a first lifting mechanism 04 and a second lifting mechanism 06. The guiding mechanism 02 is installed on the limiting mechanism 01, the punching mechanism 03 is installed on the limiting mechanism 01, the first lifting mechanism 04 is installed on the top of the limiting mechanism 01, the drilling mechanism 05 is installed on the first lifting mechanism 04, the second lifting mechanism 06 is installed on the first lifting mechanism 04, and the cutting mechanism 07 is installed on the second lifting mechanism 06;

[0035] The limiting mechanism 01 facilitates the fixing of polymer bridge frames of different sizes, the guiding mechanism 02 facilitates the guided transportation of the polymer bridge frames, the punching mechanism 03 facilitates the punching of the polymer bridge frames, the first lifting mechanism 04 assists the drilling mechanism 05 to drill the polymer bridge frames, and the second lifting mechanism 06 assists the cutting mechanism 07 to cut the polymer bridge frames;

[0036] The first lifting mechanism 04 includes a second mounting frame 41, a sliding sleeve 42, a sliding rod 43, a first lead screw 44 and a first motor 45. The second mounting frame 41 is mounted on the top of the bottom plate 11, the sliding sleeve 42 is mounted on the second mounting frame 41, the sliding rod 43 is slidably mounted in the sliding sleeve 42, the first lead screw 44 is rotatably mounted in the sliding sleeve 42, a threaded hole is provided on the sliding rod 43, the sliding rod 43 is threadedly matched with the first lead screw 44, the first motor 45 is mounted on the top of the sliding sleeve 42, and the output end of the first motor 45 is connected to the first lead screw 44;

[0037] The drilling mechanism 05 includes a second motor 51 and a drill bit 52. The second motor 51 is mounted on the bottom end of the sliding rod 43, and the drill bit 52 is mounted on the output end of the second motor 51.

[0038] The second lifting mechanism 06 includes a sliding mounting frame 61, a second lead screw 62, two second sliders 63, two second connecting rods 64 and a third motor 65. The sliding mounting frame 61 is slidably mounted on the inner wall of the second mounting frame 41, the second lead screw 62 is rotatably mounted on the inner wall of the second mounting frame 41, a slide groove is provided on the second mounting frame 41, the two second sliders 63 are slidably mounted in the slide groove of the second mounting frame 41, the two second sliders 63 are provided with internal threads in opposite directions, the two second sliders 63 are threadedly matched with the second lead screw 62, one ends of the two second connecting rods 64 are rotatably mounted on the top end of the sliding mounting frame 61, the other ends of the two second connecting rods 64 are rotatably mounted on the two second sliders 63 respectively, the third motor 65 is mounted on the outer wall of the second mounting frame 41, and the output end of the third motor 65 is connected to the second lead screw 62;

[0039] The cutting mechanism 07 includes a protective cover 71, a cutting knife 72, a fourth motor 73 and a transmission belt 74. The protective cover 71 is mounted on the top of the sliding mounting frame 61. The cutting knife 72 is rotatably mounted in the protective cover 71. The fourth motor 73 is mounted on the top of the sliding mounting frame 61. The transmission belt 74 connects the cutting knife 72 and the output end of the fourth motor 73.

[0040] The limiting mechanism 01 is convenient for fixing polymer bridge frames of different sizes, the guiding mechanism 02 is convenient for guiding and transporting the polymer bridge frames, and the punching mechanism 03 is convenient for punching the polymer bridge frames. When the position of the drilling mechanism 05 is to be adjusted, the first motor 45 is turned on to drive the first lead screw 44 to rotate, and then the sliding rod 43 is driven to slide in the sliding sleeve 42 through the threaded relationship, so as to adjust the position of the drilling mechanism 05, so as to facilitate adjusting the drilling depth of the drilling mechanism 05, and the second motor is turned on to drive the first lead screw 44 to rotate, and then the sliding rod 43 is driven to slide in the sliding sleeve 42 through the threaded relationship, so as to adjust the position of the drilling mechanism 05. The machine 51 drives the drill bit 52 to rotate, and then the drill bit 52 is used to drill holes in the polymer bridge frame Nippon. The third motor 65 is turned on to drive the second lead screw 62 to rotate, and then the two second sliders 63 are driven to slide in the slide groove of the second mounting frame 41 through the threaded relationship, and then the height of the sliding mounting frame 61 is adjusted through the second connecting rod 64, so as to facilitate the adjustment of the cutting height of the cutting mechanism 07, and the fourth motor 73 is turned on, and the cutting knife 72 is driven to rotate through the transmission belt 74, and the polymer bridge frame Nippon is cut by the cutting knife 72.

[0041] like Figures 1 to 9As shown, the utility model is a polymer bridge frame punching, drilling and sawing integrated machine. When it is working, the cylinder 16 is opened to drive the first slider 14 to slide in the limit box 13, and then the two limit plates 12 are pulled to move toward each other through the two first connecting rods 15. The polymer bridge frame is limited by the two limit plates 12. The cylinder 16 is opened to drive the first slider 14 to slide in the limit box 13, and then the two limit plates 12 are pulled to move toward each other through the two first connecting rods 15. The positioning plate 12 limits the polymer bridge frame Nippon until the guide roller 25 contacts the polymer bridge frame Nippon. The elasticity of the spring 22 allows the guide roller 25 to limit and fix the polymer bridge frame Nippon. The rotation of the guide roller 25 facilitates the transportation and movement of the polymer bridge frame Nippon to the next process, thereby improving practicality. By opening the hydraulic cylinder 32, the punching head 33 is pushed to punch holes in the polymer bridge frame Nippon, and the waste enters the sliding collection box 35. When the sliding collection box 35 needs to be cleaned, the hydraulic cylinder 32 is opened to push the punching head 33 to punch holes in the polymer bridge frame. By sliding the sliding material collection box 35 out of the slide 34, it is convenient to process the waste in the sliding material collection box 35. When the position of the drilling mechanism 05 needs to be adjusted, the first motor 45 is turned on to drive the first screw 44 to rotate, and then the sliding rod 43 is driven to slide in the sliding sleeve 42 through the threaded relationship, so as to adjust the position of the drilling mechanism 05, so as to facilitate the adjustment of the drilling depth of the drilling mechanism 05. The drill bit 52 is driven to rotate by turning on the second motor 51, and then the polymer bridge frame Nippon is drilled by the drill bit 52. The second screw 62 is driven to rotate by turning on the third motor 65, and then the two second sliders 63 are driven to slide in the slide groove of the second mounting frame 41 through the threaded relationship, and then the height of the sliding mounting frame 61 is adjusted by the second connecting rod 64, so as to facilitate the adjustment of the cutting height of the cutting mechanism 07. The fourth motor 73 is turned on, and the cutting knife 72 is driven to rotate through the transmission belt 74, and the polymer bridge frame Nippon is cut by the cutting knife 72.

[0042] The air cylinder 16, hydraulic cylinder 32, first motor 45, second motor 51, third motor 65 and fourth motor 73 of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manuals without the need for creative work by technicians in this field.

[0043] The main functions realized by the utility model are: in the process of processing the polymer bridge frame Nippon, it is convenient to limit and assist in guiding the polymer bridge frame Nippon, thereby improving practicality, and punching, drilling and cutting are combined together to improve practicality.

[0044] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A polymer bridge Nippon punching, drilling, sawing and cutting machine, comprising a drilling mechanism (05) and a cutting mechanism (07); characterized in that: It also comprises a limiting mechanism (01), a guiding mechanism (02), a punching mechanism (03), a first lifting mechanism (04) and a second lifting mechanism (06), wherein the guiding mechanism (02) is mounted on the limiting mechanism (01), the punching mechanism (03) is mounted on the limiting mechanism (01), the first lifting mechanism (04) is mounted on the top of the limiting mechanism (01), the drilling mechanism (05) is mounted on the first lifting mechanism (04), the second lifting mechanism (06) is mounted on the first lifting mechanism (04), and the cutting mechanism (07) is mounted on the second lifting mechanism (06); The limiting mechanism (01) facilitates fixing polymer bridge frames of different sizes, the guiding mechanism (02) facilitates guiding and transporting the polymer bridge frames, the punching mechanism (03) facilitates punching holes in the polymer bridge frames, the first lifting mechanism (04) assists the drilling mechanism (05) in drilling holes in the polymer bridge frames, and the second lifting mechanism (06) assists the cutting mechanism (07) in cutting the polymer bridge frames.

2. The polymer bridge Nippon punching, drilling and sawing integrated machine as claimed in claim 1, characterized in that: The limiting mechanism (01) comprises a base plate (11), two limiting plates (12), a limiting box (13), a first slider (14), two first connecting rods (15) and a cylinder (16). A sliding groove is arranged on the base plate (11). The two limiting plates (12) are both slidably mounted in the sliding groove of the base plate (11). The limiting box (13) is mounted at the bottom end of the base plate (11). A chamber is arranged in the limiting box (13). A sliding groove is arranged on the inner wall of the limiting box (13). The first slider (14) is slidably mounted in the sliding groove. One ends of the two first connecting rods (15) are both rotatably mounted on the first slider (14). The other ends of the two first connecting rods (15) are respectively rotatably mounted on the two limiting plates (12). The cylinder (16) is mounted at the bottom end of the limiting box (13). The movable end of the cylinder (16) is connected to the first slider (14).

3. The polymer bridge Nippon punching, drilling and sawing integrated machine as claimed in claim 2, characterized in that: The guide mechanism (02) comprises a guide box (21), a spring (22), a sliding plate (23), a mounting plate (24) and a guide roller (25); the guide box (21) is mounted on the side wall of the limit plate (12); a chamber is arranged in the guide box (21); the sliding plate (23) is slidably mounted in the guide box (21); one end of the spring (22) is mounted on the sliding plate (23); the spring (22) is mounted on the inner wall of the guide box (21); the mounting plate (24) is connected to the sliding plate (23) through a connecting rod; and the guide roller (25) is rotatably mounted on the mounting plate (24) through a bracket.

4. The polymer bridge Nippon punching, drilling and sawing integrated machine as claimed in claim 2, characterized in that: The punching mechanism (03) comprises a first mounting frame (31), a hydraulic cylinder (32), a punching head (33), a slideway (34) and a sliding material collection box (35); the first mounting frame (31) is mounted on the top of the base plate (11); the hydraulic cylinder (32) is mounted on the first mounting frame (31); the punching head (33) is mounted on the bottom end of the hydraulic cylinder (32); the slideway (34) is mounted on the bottom end of the base plate (11); and the sliding material collection box (35) is slidably mounted in the slideway (34).

5. The polymer bridge Nippon punching, drilling and sawing integrated machine as claimed in claim 2, characterized in that: The first lifting mechanism (04) comprises a second mounting frame (41), a sliding sleeve (42), a sliding rod (43), a first lead screw (44) and a first motor (45). The second mounting frame (41) is mounted on the top of the base plate (11), the sliding sleeve (42) is mounted on the second mounting frame (41), the sliding rod (43) is slidably mounted in the sliding sleeve (42), the first lead screw (44) is rotatably mounted in the sliding sleeve (42), a threaded hole is provided on the sliding rod (43), the sliding rod (43) and the first lead screw (44) are threadedly matched, the first motor (45) is mounted on the top of the sliding sleeve (42), and the output end of the first motor (45) is connected to the first lead screw (44).

6. The polymer bridge Nippon punching, drilling and sawing integrated machine as claimed in claim 5, characterized in that: The drilling mechanism (05) comprises a second motor (51) and a drill bit (52), wherein the second motor (51) is mounted on the bottom end of the sliding rod (43), and the drill bit (52) is mounted on the output end of the second motor (51).

7. The polymer bridge Nippon punching, drilling and sawing integrated machine as claimed in claim 5, characterized in that: The second lifting mechanism (06) comprises a sliding mounting frame (61), a second lead screw (62), two second sliders (63), two second connecting rods (64) and a third motor (65). The sliding mounting frame (61) is slidably mounted on the inner wall of the second mounting frame (41), the second lead screw (62) is rotatably mounted on the inner wall of the second mounting frame (41), a sliding groove is provided on the second mounting frame (41), the two second sliders (63) are slidably mounted in the sliding groove of the second mounting frame (41), the two second sliders (63) are provided with internal threads in opposite directions, the two second sliders (63) are threadedly matched with the second lead screw (62), one end of the two second connecting rods (64) are both rotatably mounted on the top of the sliding mounting frame (61), the other ends of the two second connecting rods (64) are respectively rotatably mounted on the two second sliders (63), the third motor (65) is mounted on the outer wall of the second mounting frame (41), and the output end of the third motor (65) is connected to the second lead screw (62).

8. The polymer bridge Nippon punching, drilling and sawing integrated machine as claimed in claim 7, characterized in that: The cutting mechanism (07) comprises a protective cover (71), a cutting knife (72), a fourth motor (73) and a transmission belt (74), wherein the protective cover (71) is mounted on the top of the sliding mounting frame (61), the cutting knife (72) is rotatably mounted in the protective cover (71), the fourth motor (73) is mounted on the top of the sliding mounting frame (61), and the transmission belt (74) connects the cutting knife (72) and the output end of the fourth motor (73).

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