CN210139550U

CN210139550U - Four-head corner cleaning machine

Info

Publication number: CN210139550U
Application number: CN201920967828.2U
Authority: CN
Inventors: 高振华; 孙恒强
Original assignee: Jinan Cgma Cnc Machinery Co Ltd
Current assignee: Jinan Cgma Cnc Machinery Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-03-13
Anticipated expiration: 2029-06-25

Abstract

The utility model discloses a four-head corner cleaning machine mainly relates to corner cleaning machine field. The automatic feeding device comprises a feeding end and a discharging end, wherein the discharging end part and the feeding end part are symmetrically arranged along the joint of the feeding end and the discharging end; the feeding end and the discharging end respectively comprise a rack, a machine head fixing support, a corner cleaning machine head, a door and window transmission device and a door and window fixing device; the machine head fixing support comprises a left X-axis frame, a left Y-axis frame, a right X-axis frame and a right Y-axis frame, the corner cleaning machine head comprises a left machine head and a right machine head, and the door and window fixing device comprises two machine head workbenches and two machine head auxiliary workbenches. The beneficial effects of the utility model reside in that: the problem of current four-head corner cleaning machine fix a position inaccurately, fish tail door and window easily in the use is solved, practiced thrift the space simultaneously, the aircraft nose can the clamping more cutters for the welding seam can be cleared up completely.

Description

Four-head corner cleaning machine

Technical Field

The utility model relates to a corner cleaner field specifically is a four-head corner cleaner.

Background

The machine tool industry is a basic industry of manufacturing industry, numerical control equipment is a core product of the machine tool industry, along with the intensive and standardized development of door and window processing enterprises, more and more domestic large and medium-sized door and window processing enterprises need stable and reliable production lines which are suitable for the plastic door and window industry, the automation degree is higher, large-scale factories purchase automatic production lines produced in Europe, but the equipment is expensive, the maintenance difficulty is high, the cost is high, the large-scale popularization and use in China are difficult, domestic plastic door and window production line equipment is still at a lower level at present, and the plastic door and window automatic production lines are researched by standing items for the company so as to meet the market development requirements at home and abroad.

The plastic door and window needs to heat a plurality of frame bodies of the plastic door and window, and then the frame bodies are aligned and fused and bonded into a whole. In order to ensure the integral strength of the welded plastic door and window, the frame body is inevitably overstocked in the welding process, and after the welding is finished, welding seams protruding on the frame body are inevitably left. To the clearance mode of welding seam, adopt artifical angle cleaning more, productivity ratio is low, only improves output through increasing the labour, has just so increased labour cost, mainly uses single corner cleaner structure in the angle cleaning equipment of plastics door and window, and single clamping only can clear up single welding seam, and work efficiency is comparatively low. Four-head corner cleaning machine is also available in the market, but the practicability is not strong and the utilization rate is not high.

The single-head corner cleaning machine is mainly used for the following reasons:

1. on the existing angle cleaning machine, each cutter needs to be provided with a fixed clamping mechanism independently, and the arrangement of the internal space is influenced due to the additional space occupation. The four-head corner cleaning machine uses the fixed clamping mechanism, and the machine head can only be provided with a few common cutters due to limited space volume, so that the welding seams of partial doors and windows are not completely cleaned, and the condition of cleaning for multiple times is caused.

2. The existing multi-head corner cleaning machine positioning mechanism is inaccurate in positioning, and the existing four-head corner cleaning machine is generally used for positioning from outside to inside, so that the positioning is inaccurate, and the condition that welding seams cannot be cleaned or excessively scratch doors and windows is cleaned frequently occurs.

3. The four-head automatic corner cleaning machine needs to adjust the position of a door and a window when the door and the window are fixed in the clamping process, and a clamping mechanism of the corner cleaning machine can scratch and damage the door and the window in the door and window position adjusting process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a four-head corner cleaning machine, it has solved the inaccurate, easy fish tail door and window's of current four-head corner cleaning machine location problem in the use, has practiced thrift the space simultaneously, and the aircraft nose can the more cutters of clamping for the welding seam can be cleared up completely.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

a four-head corner cleaning machine comprises a feeding end and a discharging end, wherein the discharging end part and the feeding end part are symmetrically arranged along the joint of the feeding end and the discharging end; the feeding end and the discharging end respectively comprise a rack, a machine head fixing support, a corner cleaning machine head, a door and window transmission device and a door and window fixing device; the method is characterized in that:

the machine head fixing support comprises a left X-axis frame, a left Y-axis frame, a right X-axis frame and a right Y-axis frame, the left X-axis frame is fixedly connected with the machine frame, a left Y-axis fixing frame is fixedly carried on the left X-axis frame, the right X-axis frame is connected with the machine frame in a sliding mode, and a right Y-axis frame is fixedly arranged on the right X-axis frame;

the angle cleaning machine head comprises a left machine head and a right machine head, the left machine head is connected with a left Y-axis frame in a sliding mode, the left machine head moves along a left Y-axis through a transmission mechanism, the right machine head is connected with a right Y-axis frame in a sliding mode, and the right machine head moves along a right Y-axis through the transmission mechanism; the left machine head and the right machine head are both provided with a plurality of special cylinders, one ends of piston rods of the special cylinders, which are connected with loads, are provided with installation interfaces, cutters are fixed on the installation interfaces, and the cutter fixing parts are matched with the installation interfaces;

the door and window fixing device comprises two machine head working tables and two machine head auxiliary working tables, wherein the two machine head working tables are respectively arranged on a left X-axis frame and a right X-axis frame, the machine head working tables are lifting machine head working tables, an X-axis working table plate and a Y-axis working table plate are arranged on the top surfaces of the machine head working tables, vertical X-axis backup plates are arranged on the X-axis working table plates, the X-axis backup plates slide along the intersection line direction of the X-axis backup plates and the X-axis working table plates, X-axis pressing plates are further arranged on the X-axis working table plates, X-telescopic devices are connected onto the X-axis pressing plates, the X-telescopic devices provide power for the X-axis pressing plates to be close to and far away from the X-axis backup plates, and the X-axis pressing plates slide along the intersection line direction of the X-axis pressing plates and the X; the top surface of the machine head workbench is further provided with a Y-axis workbench plate, the Y-axis workbench plate is provided with a mutually vertical Y-axis backup plate, the Y-axis workbench plate is further provided with a Y-axis pressing plate, the Y-axis pressing plate is connected with a Y expansion device, the Y expansion device provides power for the Y-axis pressing plate to be close to and far away from the Y-axis backup plate, the machine head auxiliary workbench is provided with a door and window auxiliary supporting device and a door and window auxiliary conveyor, and two opposite side walls of the door and window auxiliary conveyor are respectively provided with a positioning device.

Further, the special cylinder piston rod installation interface comprises a notch which is cut into the piston rod from the end face of the piston rod along the axial direction of the piston rod, a clamping block is arranged on one side of the piston rod notch, a threaded hole which penetrates through the piston rod is further formed in the piston rod, the cutter fixing portion is matched with the installation interface, and the cutter is fixedly connected with the piston rod through a bolt.

Furthermore, a side plate is vertically arranged on the X-axis working table plate, a sliding rail is arranged on the side wall of the side plate, the direction of the sliding rail is the same as the intersection line direction of the side plate and the X-axis working table plate, and an X-axis backup plate is connected onto the sliding rail in a sliding manner; the X-axis working table is characterized in that a fixed plate is arranged on the X-axis working table plate, an X telescopic device is arranged on the fixed plate, a push plate is connected onto the X telescopic device, the X telescopic device provides power for the push plate to be close to and far away from the X-axis backup plate, a slide rail is arranged on the side wall of the push plate, the direction of the slide rail of the push plate is the same as that of the slide rail of the side plate, and an X-axis pressing plate is arranged on the.

Furthermore, the workbench is further provided with an X-axis compression part and a Y-axis compression part, the X-axis compression part is lifted through an air cylinder, and the Y-axis compression part is lifted through the air cylinder.

Furthermore, five cylinders are respectively arranged on the left machine head and the right machine head, a right-angle drill, an upper broach, an upper shovel cutter, a lower broach and a lower shovel cutter are respectively fixed on the cylinders, and a saw blade, an upper milling cutter and a lower milling cutter are respectively arranged on the left machine head and the right machine head.

Contrast prior art, the beneficial effects of the utility model reside in that:

1. the existing corner cleaning machine needs to separately design a fixed clamping mechanism for each cutter, occupies a large space, and can only mount a few common cutters due to limited volume space of the four-head corner cleaning machine. If the required cutters are completely arranged, the volume of the four-head corner cleaning machine is increased, and the four-head corner cleaning machine occupies larger space. The utility model discloses directly be provided with the installation interface on the special cylinder, direct fixed cutter on the installation interface again needs the fixed fixture of independent design cutter, can be with the whole settings of cutter that need on the aircraft nose in limited space. Under the condition of not increasing the volume of the four-head corner cleaning machine, the welding seams of the doors and the windows are completely cleaned.

2. When the door and window is clamped and fixed, the actual condition is required to carry out fine adjustment of clamping, and the clamping device uniformly scratches the door and window in the fine adjustment process. The utility model discloses when door and window centre gripping fine-tuning, X axle backup plate and X axle pressure strip can follow door and window and remove together, and relative motion can not take place for X axle clamping mechanism and door and window to avoided the condition of fixture fish tail door and window to take place, reduced door and window's defective rate, also just also reduced manufacturing cost of manufacturing enterprise.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is an isometric view of the present invention.

Figure 4 is the feed end mobile robot axonometric view of the utility model.

Fig. 5 is a schematic view of the structure of the feeding end moving machine head of the present invention.

Figure 6 is the utility model discloses a feed end removes aircraft nose auxiliary workbench axonometric drawing.

Figure 7 is the feed end mobile head auxiliary worktable schematic diagram of the utility model.

Reference numerals shown in the drawings:

1. a frame; 2. a left X-axis frame; 3. a discharge end frame; 4. a left X-axis frame at the discharging end; 5. a discharge end left machine head; 6. a discharge end machine head workbench; 7. the discharge end machine head is provided with an auxiliary workbench; 8. a special cylinder; 9. a discharge end; 10. the discharge end is right X-axis frame; 11. a discharge end right machine head; 12. a machine head workbench; 13. a right handpiece; 14. a machine head auxiliary workbench; 15. a right X-axis mount; 16. a feeding end; 17. a left handpiece; 18. a telescoping device; 19. a right-angle drill; 20. upward broaching; 21. an upper shovel blade; 22. drilling a milling cutter; 23. a headstock; 24. a saw blade; 25. drilling and milling; 26. a lower scraper knife; 27. pulling down a cutter; 28. a first workbench bracket; 29. a second worktable bracket; 30. a door and window material returning device; 31. an X-axis backup plate; 32. an X-axis table plate; 33. an X-axis compression plate; 34. pressing on an X axis; 35. a Y-axis backup plate; 36. a Y-axis table plate; 37. a Y-axis compression plate; 38. pressing on the Y axis; 39. auxiliary door and window supporting device; 40. auxiliary door and window transporters; 41. a positioning device; 42. a left Y-axis frame; 43. A left Y-axis frame at the discharging end; 44. a right Y-axis frame; 45. and the discharge end is arranged on the right Y-axis frame.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

Example (b): a four-head corner cleaning machine comprises a feeding end 16 and a discharging end 9, wherein the feeding end 16 is described in detail below, and parts of the feeding end 16 and the discharging end 9 are symmetrically arranged along the intersection line of the feeding end 16 and the discharging end 9. The feed end 16 includes frame 1, be fixed with left X pedestal 2 in the frame 1, the fixed load bearing has left Y pedestal on the X pedestal 2 of a left side, be equipped with the pedestal slide rail on the Y pedestal of a left side, sliding connection has left aircraft nose 17 on the pedestal slide rail, be connected with aircraft nose drive mechanism on the aircraft nose 17 of a left side, aircraft nose drive mechanism drives left aircraft nose 17 and moves along the pedestal slide rail. The left machine head 17 comprises a machine head frame 23, the machine head frame 23 comprises a machine head upper frame and a machine head lower frame, a saw blade 24, an upper drilling milling cutter 22 and three special cylinders 8 are sequentially fixed on the machine head upper frame, and a lower drilling milling cutter 25 and two special cylinders 8 are sequentially fixed on the machine head lower frame. 8 piston rod connection load one ends of special cylinder are provided with the installation interface, the installation interface includes two slots, the slot is located the piston rod lateral wall, and one of them slot runs through the terminal surface that the piston rod connects the load, form the fixture block between two slots, the slot bottom surface is provided with the screw hole that runs through the piston rod lateral wall, there is the cutter through the bolt fastening on the installation interface, the fixed part and the installation interface of cutter cooperate, three special cylinder 8 of aircraft nose upper bracket is fixed with broach 20 respectively, goes up spiller, right angle and bores 19, two special cylinder 8 of aircraft nose lower bracket are fixed with broach 27 down, spiller 2621 down respectively. When the cutter needs to be used, the special cylinder 8 pushes the cutter to stretch out to clean a welding seam, when the cutter is used or not needed, the special cylinder 8 drives the cutter to contract, and the next special cylinder 8 pushes the other cutter to stretch out to perform the next cleaning process.

Still be provided with frame 1 slide rail on the frame 1, sliding connection has right X pedestal 15 on the frame 1 slide rail, right X pedestal 15 is under drive mechanism's drive, and is close to or keep away from left X pedestal 2 motion. Fixed bearing right Y pedestal on the right side X pedestal 15, be equipped with the pedestal slide rail on the right side Y pedestal, sliding connection has right aircraft nose 13 on the right side Y pedestal, be connected with aircraft nose drive mechanism on the right side aircraft nose 13, aircraft nose drive mechanism drives right aircraft nose 13 and follows pedestal slide rail motion, right aircraft nose 13 is the same with left aircraft nose 17's part and follows left X pedestal 2 and right X pedestal 15's distance central line symmetry setting.

All be provided with aircraft nose workstation 12 on left side X pedestal 2, the right X pedestal 15, two aircraft nose workstation 12 parts are the same sets up along left X pedestal 2 and right X pedestal 15 apart from the central line symmetry. The head table 12 on the right X-axis frame 15 will be described in detail. Aircraft nose workstation 12 includes workstation support one 28, workstation support two 29, workstation support one 28, workstation support two 29 all with right X pedestal 15 fixed connection, workstation support one 28, workstation support two 29 lateral walls all are provided with the slide rail, sliding connection has the workstation upper plate on the slide rail, the workstation upper plate class passes through the telescopic link and follows the slide rail up-and-down motion. An X-axis working table plate 32 and a Y-axis working table plate 36 are fixed on the upper plate of the working table, a side plate is vertically fixed at one end of the X-axis working table plate 32, a side plate slide rail is arranged on the side wall of the side plate, the direction of the side plate slide rail is the same as the intersection line direction of the side plate and the X-axis working table plate 32, and an X-axis backup plate 31 is connected on the side plate slide rail in a sliding mode. The other end of the X working table plate is fixed with a fixing plate, an X telescopic rod is fixed on the fixing plate, a push plate is arranged on the X telescopic rod, a push plate sliding rail is arranged on the side wall of the push plate, the direction of the push plate sliding rail is the same as that of the side plate sliding rail, and an X-axis pressing plate 33 is connected to the push plate sliding rail in a sliding mode. When door and window presss from both sides tightly, the X telescopic link promotes the push pedal and moves to X axle backup plate 31, fixed door and window between X axle clamp plate 33 and the X axle backup plate 31, in order to obtain higher machining precision, need fix a position the back fine setting through positioner 41 after door and window is just fixed, X axle clamp plate 33, X axle backup plate 31 are simultaneous movement with door and window this moment, can not take place relative displacement and just avoided fish tail door and window surface, reduced door and window's defective rate. The Y-axis workbench plate 36 is fixedly provided with a Y-axis backup plate 35 which is perpendicular to the Y-axis workbench plate 36, the Y-axis workbench plate 36 is further provided with a Y-axis pressing plate 37, one side, close to the Y-axis backup plate 35, of the Y-axis pressing plate 37 is provided with an inductive switch, the Y-axis pressing plate 37 is connected with a Y telescopic device, the Y telescopic device provides power for the Y-axis pressing plate 37 to be close to and far away from the Y-axis backup plate 35, the handpiece workbench 12 is further provided with an X-axis pressing 34 and a Y-axis pressing 38, the X-axis pressing 34 is lifted and lowered through an air cylinder to move away from or close to the X-axis workbench plate 32, and the Y-axis pressing 38 is lifted and lowered through the air cylinder to move away from or close to the Y.

The left X-axis frame 2 and the right X-axis frame 15 are also respectively provided with a machine head auxiliary workbench 14, the left detailed description of the machine head auxiliary workbench 14 on the right X-axis frame 15 is provided, and the machine head auxiliary workbench 14 on the left X-axis frame 2 and the machine head auxiliary workbench 14 on the right X-axis frame 15 are symmetrical in structure. The auxiliary machine head workbench 14 is an extension of the machine head workbench 12, and when a door window is processed to a certain size, the workbench cannot bear the door window, and an auxiliary bearing mechanism is required to be used. The auxiliary machine head workbench 14 comprises an auxiliary door and window lifting device 39 and an auxiliary door and window conveyor. Two door and window subsidiary transport period 40 relative lateral walls are provided with positioner 41 respectively, positioner 41 sets up inside the door and window frame, and more accurate when the location, the more accurate position of catching the angle seam that can be accurate cooperates with aircraft nose workstation 12, carries out accurate centre gripping and location to the door and window.

The corner joint cleaning process comprises the following steps:

the length size parameters of the door and window to be processed are input before processing, and the X-axis fixing frame at the feeding end and the X-axis fixing frame at the discharging end automatically move to corresponding positions.

After welding of a welding machine is completed, doors and windows are sequentially transmitted to the position of a machine head workbench through a door and window transmission device and an auxiliary door and window transportation period, the doors and windows are positioned at a feed end X-axis backup plate through a positioning device, at the moment, a sensing switch senses the doors and windows and transmits signals to a system, a machine head workbench on a left X-axis frame, a machine head workbench on a right X-axis frame and a feed end auxiliary door and window supporting device are lifted after receiving the signals, after the machine head workbench on the left X-axis frame, the machine head workbench on the right X-axis frame and the feed end auxiliary door and window supporting device are lifted, a feed end Y-axis pressing plate is pressed for one time and then loosened, a large X-axis moves backwards, namely, the right X-axis frame is far away from the left X-axis frame, the feed end Y-axis pressing plate is pressed for the second time, the feed end X-axis pressing plate is pressed, the large X-axis slightly moves to adjust the accurate size and adjust in place, and the feed, prevent to rub the scratch section bar. The feeding end is pressed on an X axis and pressed on a Y axis to press doors and windows, an inductive switch on a Y-axis pressing plate of the feeding end induces the doors and windows and then transmits signals to a system, and the machine head receives the signals and sequentially calls corresponding cutters to process according to a well-programmed door and window corner cleaning program.

After the corner seam at the feeding end is cleaned, a large X shaft advances, a machine head workbench on a left X shaft frame, a machine head workbench on a right X shaft frame and a feeding end auxiliary door and window supporting device descend, a door and window auxiliary transporter transmits and positions doors and windows to a discharging section X shaft backup plate through a positioning device, a sensing switch senses the doors and windows and transmits signals to a system, a discharging end left X shaft frame machine head workbench, a discharging end right X shaft frame machine head workbench and a discharging end auxiliary door and window supporting device ascend after receiving the signals, a discharging end Y shaft pressing plate is loosened after being pressed for one time, the large X shaft retreats, namely the discharging end right X shaft frame is far away from the discharging end left X shaft frame, the discharging end Y shaft pressing plate compresses for the second time, the discharging end X shaft pressing plate compresses, the large X shaft slightly adjusts the accurate size, the adjustment targets in place, and simultaneously the discharge end X-axis pressing plate is pressed tightly to move back the adjustment a little along with the big X-axis through the slide rail moving structure, so that the section bar is prevented from being scratched by friction. The discharging end X-axis and the discharging end Y-axis are pressed tightly to press doors and windows, the inductive switch on the discharging end Y-axis pressing plate senses the doors and windows and then transmits signals to the system, and the machine head receives the signals and sequentially calls corresponding cutters to process according to the well-woven door and window corner cleaning program.

At the left aircraft nose of discharge end, the right aircraft nose carries out door and window and spreads into two angle seam clearance behind the direction, the left aircraft nose of feed end, the right aircraft nose of feed end carries out next door and window and spreads into the clearance of two angle seams before the direction next, realize the angle seam clearance to four angles of two plastics doors and windows (two angle seams of every door and window clearance, 4 angle seams are totally cleared up to two doors and windows) in same time, this processing reciprocating motion, very big improvement angle seam clearance angle speed, the production efficiency is improved, labor cost is saved.

After the door and window corner joints at the discharge end are cleaned, the door and window are conveyed to the automatic stacking machine through the door and window auxiliary conveyor and the stacking conveying table in sequence, and then are automatically stacked. The process is completely automatic, so that the labor is saved, and the production cost is reduced.

Claims

1. A four-head corner cleaning machine comprises a feeding end (16) and a discharging end (9), wherein the discharging end (9) part and the feeding end (16) part are symmetrically arranged along the joint of the feeding end (16) and the discharging end (9); the feeding end (16) and the discharging end (9) both comprise a rack (1), a machine head fixing support, a corner cleaning machine head, a door and window transmission device and a door and window fixing device; the method is characterized in that:

the machine head fixing support comprises a left X-axis frame (2), a left Y-axis frame (42), a right X-axis frame (15) and a right Y-axis frame (44), the left X-axis frame (2) is fixedly connected with the rack (1), the left Y-axis fixing frame is fixedly carried on the left X-axis frame (2), the right X-axis frame (15) is slidably connected with the rack (1), and the right Y-axis frame (44) is fixed on the right X-axis frame (15);

the angle cleaning machine head comprises a left machine head (17) and a right machine head (13), the left machine head (17) is connected with a left Y-axis frame (42) in a sliding mode, the left machine head (17) moves along a left Y axis through a transmission mechanism, the right machine head (13) is connected with a right Y-axis frame (44) in a sliding mode, and the right machine head (13) moves along a right Y axis through the transmission mechanism; a plurality of special cylinders (8) are arranged on the left machine head (17) and the right machine head (13), an installation interface is arranged at one end of a piston rod of each special cylinder (8) connected with a load, a cutter is fixed on the installation interface, and a cutter fixing part is matched with the installation interface;

the door and window fixing device comprises two machine head working tables (12) and two machine head auxiliary working tables (14), the two machine head working tables (12) are respectively arranged on a left X-axis frame (2) and a right X-axis frame (15), the machine head working tables (12) are lifting machine head working tables (12), an X-axis working table plate (32) and a Y-axis working table plate (36) are arranged on the top surface of the machine head working table (12), X-axis backup plates (31) which are perpendicular to each other are arranged on the X-axis working table plate (32), the X-axis backup plates (31) slide along the intersecting line direction of the X-axis backup plates (31) and the X-axis working table plate (32), X-axis pressing plates (33) are further arranged on the X-axis working table plate (32), X telescopic devices are connected onto the X-axis pressing plates (33), and provide power for the X-axis pressing plates (33) to be close to and far away from the X-axis backup plates (31), the X-axis pressing plate (33) slides along the direction of the intersection line of the X-axis pressing plate (33) and the X-axis working table plate (32); the top surface of the machine head workbench (12) is further provided with a Y-axis workbench plate (36), the Y-axis workbench plate (36) is provided with a mutually vertical Y-axis backup plate (35), the Y-axis workbench plate (36) is further provided with a Y-axis pressing plate (37), the Y-axis pressing plate (37) is connected with a Y telescopic device, the Y telescopic device provides power for the Y-axis pressing plate (37) to be close to and far away from the Y-axis backup plate (35), the machine head auxiliary workbench (14) is provided with a door and window auxiliary lifting device (39) and a door and window auxiliary transportation period (40), and two opposite side walls of the door and window auxiliary transportation period (40) are respectively provided with a positioning device (41).

2. The four-head corner cleaning machine according to claim 1, characterized in that: the special cylinder (8) piston rod installation interface comprises a notch which is cut into the piston rod along the axial direction of the piston rod from the end face of the piston rod, a clamping block is arranged on one side of the piston rod notch, a threaded hole which penetrates through the piston rod is further formed in the piston rod, the cutter fixing portion is matched with the installation interface, and the cutter is fixedly connected with the piston rod through a bolt.

3. The four-head corner cleaning machine according to claim 1, characterized in that: a side plate is vertically arranged on the X-axis working table plate (32), a slide rail is arranged on the side wall of the side plate, the direction of the slide rail is the same as the intersecting line direction of the side plate and the X-axis working table plate (32), and an X-axis backup plate (31) is connected on the slide rail in a sliding manner; the X-axis working table is characterized in that a fixed plate is arranged on the X-axis working table plate (32), an X telescopic device is arranged on the fixed plate, a push plate is connected onto the X telescopic device, the X telescopic device provides power for the push plate to be close to and far away from the X-axis backup plate (31), a slide rail is arranged on the side wall of the push plate, the direction of the slide rail of the push plate is the same as the direction of the slide rail of the side plate, and an X-axis pressing plate (33) is arranged on the.

4. A four-head corner cleaning machine according to claim 1 or 3, characterized in that: the machine head workbench (12) is further provided with an X-axis upper pressing part (34) and a Y-axis upper pressing part (38), the X-axis upper pressing part (34) is lifted through an air cylinder, and the Y-axis upper pressing part (38) is lifted through the air cylinder.

5. The four-head corner cleaning machine according to claim 1, characterized in that: the left machine head (17) and the right machine head (13) are respectively provided with five cylinders, the cylinders are respectively fixed with a right-angle drill (19), an upper broach (20), an upper shovel cutter, a lower broach (27) and a lower shovel cutter, and the left machine head (17) and the right machine head (13) are respectively provided with a saw blade, an upper drill milling cutter and a lower drill milling cutter.