Plasma cutting machine for drawing thin copper pipe

Abstract

The invention relates to the technical field of plasma cutting machines, in particular to a plasma cutting machine for drawing a thin copper pipe, which comprises a cutting mechanism, the cutting device further comprises a cleaning mechanism and a limiting mechanism, and the cleaning mechanism and the limiting mechanism are both installed on the cutting mechanism. The limiting mechanism is used for limiting the drawn thin copper pipe, the cleaning mechanism is used for cooling the drawn thin copper pipe and cleaning the interior of the drawn thin copper pipe, and the cutting mechanism is used for cutting the drawn thin copper pipe; according to the device, the drawn thin copper pipe is fixed through the limiting mechanism, then the drawn thin copper pipe is cut through the cutting mechanism, meanwhile, the drawn thin copper pipe is cooled through the cleaning mechanism, splashes adhering to the inner wall of the drawn thin copper pipe are cleaned, and therefore the practicability of the device is improved.

Description

Technical Field

[0001] The invention relates to the technical field of plasma cutting machines, in particular to a plasma cutting machine for drawing thin copper tubes. Background Art

[0002] Before use, the copper tube needs to be cut into a suitable length. Generally, the copper tube is cut by a plasma cutting machine disclosed in the invention patent with publication number CN112247327B and a plasma cutting machine disclosed in the invention patent with publication number CN113695722B.

[0003] However, it was found during use that the existing plasma cutting machine has a relatively simple structure, and the copper tube after being drawn (hereinafter referred to as the drawn copper tube) has a thinner wall and copper has better thermal conductivity. When plasma cutting is performed, it is easy to cause a melt hole at the cutting position, resulting in uneven incisions, and the spatter generated during the cutting process is easy to adhere to the inner wall of the copper tube. The copper tube is thin and difficult to clean, resulting in poor practicality of the plasma cutting machine. Therefore, a plasma cutting machine for drawing thin copper tubes is urgently needed to improve the above problems. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a plasma cutting machine for drawing copper tubes, which fixes the drawn copper tubes by a limiting mechanism, then cuts the drawn copper tubes by a cutting mechanism, cools the drawn copper tubes by a cleaning mechanism, and cleans the splashes adhering to the inner wall of the drawn copper tubes, thereby improving the practicality of the equipment.

[0005] The plasma cutting machine for drawing thin copper tubes of the present invention comprises a cutting mechanism, a cleaning mechanism and a limiting mechanism, wherein the cleaning mechanism and the limiting mechanism are both installed on the cutting mechanism;

[0006] The limiting mechanism limits the position of the drawn copper tube, the cleaning mechanism cools the drawn copper tube and cleans the inside of the drawn copper tube, and the cutting mechanism cuts the drawn copper tube;

[0007] The drawn copper tube is fixed by a limiting mechanism, and then cut by a cutting mechanism. At the same time, the drawn copper tube is cooled by a cleaning mechanism, and splashes adhering to the inner wall of the drawn copper tube are cleaned, thereby improving the practicability of the equipment.

[0008] Preferably, the cutting mechanism includes a supporting mechanism, a driving mechanism, an exhaust mechanism, a plasma cutting gun and a plasma cutting main machine, the driving mechanism is installed on the supporting mechanism, the exhaust mechanism is installed in the supporting mechanism, the plasma cutting gun is installed on the driving mechanism, and the plasma cutting main machine is installed on the rear side of the support; the plasma cutting gun is connected to the plasma cutting main machine through pipes and power cords, and then the position and angle of the plasma cutting gun are adjusted by the driving mechanism so that the plasma cutting gun cuts the drawn copper tube, and at the same time, the gas leaked from the cleaning mechanism and the gas generated by the cutting are adsorbed by the exhaust mechanism, thereby improving the practicability of the equipment.

[0009] Preferably, the driving mechanism includes a first slide rail, a first electric slider, a support frame, an annular rotating member, a first gear ring, a first motor and a first gear, the first slide rail is installed on the support mechanism, the first electric slider is slidably installed on the first slide rail, the annular rotating member is rotatably installed on the support frame, the first gear ring is sleeved on the annular rotating member, the first motor is fixedly installed on the top of the support frame, the first gear is installed on the output shaft of the first motor, and the bottom end of the first gear is meshingly connected with the first gear ring, and the plasma cutting gun is fixedly installed on the annular rotating member; the first electric slider slides on the first slide rail to move the plasma cutting gun laterally, and then the first motor is turned on, and the first gear is meshed with the first gear ring to drive the annular rotating member to rotate, so that the plasma cutting gun rotates, and the rotating plasma cutting gun performs circumferential cutting on the drawn copper tube, and then the first motor runs in reverse to reset the plasma cutting gun, thereby improving the practicality of the equipment.

[0010] Preferably, the supporting mechanism includes a workbench, a supporting table, a second slide rail and a first hydraulic cylinder, one end of the supporting table and the first hydraulic cylinder are both rotatably mounted on the workbench, the other end of the first hydraulic cylinder is rotatably mounted on the bottom of the supporting table, the second slide rail is mounted on the top of the supporting table, and the first slide rail is mounted on the top of the workbench; when loading, the right part of the cleaning mechanism is moved to the second slide rail, and then the first hydraulic cylinder is contracted to make the right end of the supporting table tilt downward, so that the staff can place the drawn copper tube on the limiting mechanism from the right side of the workbench conveniently. After loading, the first hydraulic cylinder is extended to reset the supporting table, thereby improving the practicability of the equipment.

[0011] Preferably, the exhaust mechanism includes multiple groups of filters and a first exhaust pump, a chamber is arranged inside the workbench, a plurality of suction holes are arranged on the top of the workbench, multiple groups of filters and the first exhaust pump are installed inside the workbench, and multiple groups of filters are located above the first exhaust pump, and the exhaust port of the first exhaust pump extends to the outside of the workbench; the exhaust port of the first exhaust pump is connected to the exhaust system in the workshop, and the first exhaust pump is turned on to exhaust the air in the workbench, so that a negative pressure environment is formed inside the workbench, and then the gas on the top of the workbench passes through the suction holes of the workbench into the interior of the workbench, and then the particulate matter in the gas is filtered through multiple groups of filters, thereby improving the practicability of the equipment.

[0012] Preferably, the cleaning mechanism includes a crushing mechanism, two sets of sealing mechanisms, a second electric slider, a second exhaust pump and a storage box, the crushing mechanism is installed on the left side of the workbench, the second electric slider is slidably installed on the first slide rail, the second exhaust pump and the storage box are both installed on the second electric slider, and the exhaust port of the second exhaust pump is communicated with the interior of the storage box, and the two sets of sealing mechanisms are respectively installed on the crushing mechanism and the suction port of the second exhaust pump; the storage box is connected to the gas storage device, the two ends of the thin copper tube are polished and sealed by the two sets of sealing mechanisms, the dry ice is crushed by the crushing mechanism, and the crushed dry ice particles are mixed with compressed air, and then the mixture is discharged from the interior of the thin copper tube through a set of sealing mechanisms to cool the thin copper tube, and at the same time, the dry ice particles hit the splashes on the inner wall of the thin copper tube to fall off, and then the second exhaust pump is turned on, the gas in the thin copper tube passes through another set of sealing mechanisms and the second exhaust pump in turn, and then the gas is discharged into the storage box, and then the gas is discharged through the storage box to recover the carbon dioxide, thereby improving the practicality of the equipment.

[0013] Preferably, the pulverizing mechanism includes a frame, a storage cylinder, a first air pipe, a fixed frame, a second motor, a shear plate, a scraper, a piston, a connecting rod, a fixed frame, a second hydraulic cylinder, a spring, a second air pipe and an impact block. The storage cylinder is installed on the left end of the workbench through the frame, the first air pipe is installed on the storage cylinder through the fixed frame, and the left end of the first air pipe is communicated with the interior of the storage cylinder, the second motor and the shear plate are both installed inside the storage cylinder, and the shear plate is located on the left side of the second motor, and the output shaft of the second motor extends to the left part of the shear plate, the scraper is installed on the output shaft of the second motor, and the right end of the scraper contacts the left end of the shear plate, one end of the connecting rod is installed on the left end of the piston through a spring, the fixed frame is installed on the other end of the connecting rod, the second hydraulic cylinder is installed on the storage cylinder, and one end of the second hydraulic cylinder is connected to the fixed frame, the second air pipe is installed on the piston, and the second air pipe is provided with a connecting port and multiple groups of air jets, and the multiple groups of air jets all extend to the piston On the right side, the impact block is installed inside the first air pipe; the piston is moved out of the storage cylinder by extending the second hydraulic cylinder, and then the dry ice is put into the storage cylinder. The piston is reset by contracting the second hydraulic cylinder, and the piston squeezes the dry ice to the right, and at the same time, the second motor is turned on to rotate the scraper to scrape the dry ice into pieces. At the same time, the second air pipe is connected to the air compression equipment, and the compressed air is discharged into the storage cylinder through the second air pipe, and the scraped dry ice in the storage cylinder is blown to the right, and then the dry ice and compressed air pass through the shear plate, and when the dry ice passes through the shear plate, the rotating scraper cooperates with the shear plate to shear the dry ice, so that the dry ice is broken again, and then the dry ice and compressed air enter the first air pipe, and the dry ice hits the impact block again to form dry ice particles, and then the dry air and dry ice particles pass through a group of sealing mechanisms into the thin copper tube to cool the thin copper tube, and at the same time, the dry ice particles hit the inner wall of the thin copper tube to make the splash fall off, thereby improving the practicality of the equipment.

[0014] Preferably, the two sets of sealing mechanisms are respectively installed on the first air delivery pipe and the air intake port of the second exhaust pump;

[0015] The sealing mechanism includes an air jet pipe, a third motor, a friction ring, a second gear ring and a second gear. The third motor is installed on the air jet pipe, the friction ring is rotatably installed on one end of the air jet pipe, the second gear ring is sleeved on the friction ring, the second gear is installed on the output shaft of the third motor, and the second gear is meshed with the second gear ring. The friction ring is placed on the side end of the thin copper tube, the third motor is turned on, and the second gear is meshed with the second gear ring to rotate the friction ring and grind the side end of the thin copper tube. After that, the compressed air and dry ice particles pass through the air jet pipe on the left and the friction ring on the left in turn, enter the thin copper tube, and then pass through the friction ring on the right and the air jet pipe on the right in turn, so that the second exhaust pump discharges the gas in the thin copper tube into the storage box, thereby improving the practicability of the equipment.

[0016] Preferably, the limiting mechanism includes two groups of third electric sliders, two groups of first clamping plates, two groups of gantries, two groups of third hydraulic cylinders and two groups of second clamping plates. The two groups of third electric sliders are slidably installed on the first slide rails, the two groups of first clamping plates are respectively installed on the top of the two groups of third electric sliders, the two groups of gantries are respectively fixedly installed on the top of the two groups of third electric sliders, one ends of the two groups of third hydraulic cylinders are respectively installed on the top of the two groups of gantries, and the two groups of second clamping plates are respectively installed on the bottom of the two groups of third hydraulic cylinders; the thin copper tube is placed on the two groups of first clamping plates, and the two groups of third hydraulic cylinders are extended to make the two groups of second clamping plates cooperate with the two groups of first clamping plates to clamp the thin copper tube, thereby improving the practicability of the equipment.

[0017] Preferably, a nozzle is provided on the first electric slider; the nozzle is connected to the air compression equipment, and after the cutting of the thin copper tube is completed, the two groups of third hydraulic cylinders are contracted and the nozzle is opened at the same time, and the cut thin copper tube on the first clamping plate is blown off by compressed air, thereby improving the practicability of the equipment.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The cleaning mechanism discharges dry ice particles and compressed gas into the drawn copper tube to cool the drawn copper tube and clean the splashes adhering to the inner wall of the drawn copper tube to ensure the cutting effect;

[0020] 2. Grind and seal the two ends of the thin copper tube to reduce gas leakage and ensure the cleaning effect;

[0021] 3. By bending the supporting mechanism, the right part of the cleaning mechanism is moved to the right side of the supporting mechanism, which makes it easier for the staff to load the thin copper tubes and improves the convenience of loading. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a first isometric structural schematic diagram of the present invention;

[0023] Figure 2 is a second isometric structural schematic diagram of the present invention;

[0024] Figure 3 It is a front view structural schematic diagram of the present invention;

[0025] Figure 4 It is a front cross-sectional structural schematic diagram of the present invention;

[0026] Figure 5 It is a schematic diagram of an enlarged structure of a first axonometric section of the storage tube of the present invention;

[0027] Figure 6 It is a schematic diagram of an enlarged structure of a second axonometric section of the storage tube of the present invention;

[0028] Figure 7 It is a first axonometric enlarged structural schematic diagram of the support mechanism of the present invention;

[0029] Figure 8 It is a second axonometric enlarged structural schematic diagram of the support mechanism of the present invention;

[0030] Fig. 9 It is an axonometric enlarged structural schematic diagram of the limiting mechanism of the present invention;

[0031] Fig.10 It is a first axonometric enlarged structural schematic diagram of the driving mechanism of the present invention;

[0032] Fig.11 It is a second axonometric enlarged structural schematic diagram of the driving mechanism of the present invention;

[0033] Fig.12 It is a schematic diagram of a first axonometric enlarged structure of the second electric slider and the second exhaust pump and other structures of the present invention;

[0034] Fig.13 It is a second axonometric enlarged structural schematic diagram of the second electric slider and the second exhaust pump and other structures of the present invention.

[0035] The markings in the attached drawings are: 1, plasma cutting gun; 2, plasma cutting main machine; 3, first slide rail; 4, first electric slide block; 5, support frame; 6, annular rotating member; 7, first gear ring; 8, first motor; 9, first gear; 10, workbench; 11, support table; 12, second slide rail; 13, first hydraulic cylinder; 14, filter screen; 15, first exhaust pump; 16, second electric slide block; 17, second exhaust pump; 18, storage box; 19, frame; 20, storage cylinder; 21, first output air pipe; 22, fixed frame; 23, second motor; 24, shear plate; 25, scraper; 26, piston; 27, connecting rod; 28, fixed frame; 29, second hydraulic cylinder; 30, spring; 31, second air pipe; 32, impact block; 33, jet pipe; 34, third motor; 35, friction ring; 36, second gear ring; 37, second gear; 38, third electric slider; 39, first clamping plate; 40, gantry; 41, third hydraulic cylinder; 42, second clamping plate; 43, nozzle. DETAILED DESCRIPTION

[0036] In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The present invention 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 present invention more thorough and comprehensive.

[0037] Example 1

[0038] like Figures 1 to 13As shown, a plasma cutting machine for drawing thin copper tubes includes a cutting mechanism; a cleaning mechanism and a limiting mechanism, both of which are installed on the cutting mechanism;

[0039] The limiting mechanism limits the position of the drawn copper tube, the cleaning mechanism cools the drawn copper tube and cleans the inside of the drawn copper tube, and the cutting mechanism cuts the drawn copper tube;

[0040] The cutting mechanism comprises a supporting mechanism, a driving mechanism, an exhaust mechanism, a plasma cutting gun 1 and a plasma cutting main machine 2, wherein the driving mechanism is installed on the supporting mechanism, the exhaust mechanism is installed in the supporting mechanism, the plasma cutting gun 1 is installed on the driving mechanism, and the plasma cutting main machine 2 is installed on the rear side of the support;

[0041] The driving mechanism includes a first slide rail 3, a first electric slider 4, a support frame 5, an annular rotating member 6, a first gear ring 7, a first motor 8 and a first gear 9. The first slide rail 3 is mounted on the supporting mechanism, the first electric slider 4 is slidably mounted on the first slide rail 3, the annular rotating member 6 is rotatably mounted on the support frame 5, the first gear ring 7 is sleeved on the annular rotating member 6, the first motor 8 is fixedly mounted on the top of the support frame 5, the first gear 9 is mounted on the output shaft of the first motor 8, and the bottom end of the first gear 9 is meshed with the first gear ring 7, and the plasma cutting gun 1 is fixedly mounted on the annular rotating member 6;

[0042] The support mechanism includes a workbench 10, a support platform 11, a second slide rail 12 and a first hydraulic cylinder 13. One end of the support platform 11 and the first hydraulic cylinder 13 are both rotatably mounted on the workbench 10, the other end of the first hydraulic cylinder 13 is rotatably mounted on the bottom of the support platform 11, the second slide rail 12 is mounted on the top of the support platform 11, and the first slide rail 3 is mounted on the top of the workbench 10;

[0043] The exhaust mechanism includes multiple groups of filters 14 and a first exhaust pump 15. A chamber is arranged inside the workbench 10. A plurality of air suction holes are arranged on the top of the workbench 10. The multiple groups of filters 14 and the first exhaust pump 15 are installed inside the workbench 10. The multiple groups of filters 14 are located above the first exhaust pump 15. The exhaust port of the first exhaust pump 15 extends to the outside of the workbench 10.

[0044] The cleaning mechanism includes a crushing mechanism, two sets of sealing mechanisms, a second electric slider 16, a second exhaust pump 17 and a storage box 18. The crushing mechanism is installed on the left part of the workbench 10. The second electric slider 16 is slidably installed on the first slide rail 3. The second exhaust pump 17 and the storage box 18 are both installed on the second electric slider 16, and the exhaust port of the second exhaust pump 17 is communicated with the interior of the storage box 18. The two sets of sealing mechanisms are respectively installed on the crushing mechanism and the air intake port of the second exhaust pump 17;

[0045] The crushing mechanism includes a frame 19, a storage cylinder 20, a first air pipe 21, a fixed frame 22, a second motor 23, a shear plate 24, a scraper 25, a piston 26, a connecting rod 27, a fixed frame 28, a second hydraulic cylinder 29, a spring 30, a second air pipe 31 and an impact block 32. The storage cylinder 20 is installed on the left end of the workbench 10 through the frame 19, the first air pipe 21 is installed on the storage cylinder 20 through the fixed frame 22, and the left end of the first air pipe 21 is communicated with the inside of the storage cylinder 20, the second motor 23 and the shear plate 24 are both installed in the storage cylinder 20, and the shear plate 24 is located on the left side of the second motor 23. The output shaft of the second motor 23 extends to the left part of the shear plate 24, the scraper 25 is installed on the output shaft of the second motor 23, and the right end of the scraper 25 contacts the left end of the shear plate 24, one end of the connecting rod 27 is installed on the left end of the piston 26 through the spring 30, the fixing frame 28 is installed on the other end of the connecting rod 27, the second hydraulic cylinder 29 is installed on the storage cylinder 20, and one end of the second hydraulic cylinder 29 is connected to the fixing frame 28, the second air pipe 31 is installed on the piston 26, and the second air pipe 31 is provided with a connecting port and a plurality of jet ports, and the plurality of jet ports extend to the right side of the piston 26, and the impact block 32 is installed inside the first air pipe 21;

[0046] The two sets of sealing mechanisms are respectively installed on the first air delivery pipe 21 and the air intake port of the second exhaust pump 17;

[0047] The sealing mechanism includes an air jet pipe 33, a third motor 34, a friction ring 35, a second gear ring 36 and a second gear 37. The third motor 34 is mounted on the air jet pipe 33. The friction ring 35 is rotatably mounted on one end of the air jet pipe 33. The second gear ring 36 is sleeved on the friction ring 35. The second gear 37 is mounted on the output shaft of the third motor 34, and the second gear 37 is meshedly connected with the second gear ring 36.

[0048] The limiting mechanism includes two groups of third electric sliders 38, two groups of first clamping plates 39, two groups of gantries 40, two groups of third hydraulic cylinders 41 and two groups of second clamping plates 42. The two groups of third electric sliders 38 are slidably mounted on the first slide rail 3, the two groups of first clamping plates 39 are respectively mounted on the tops of the two groups of third electric sliders 38, the two groups of gantries 40 are respectively fixedly mounted on the tops of the two groups of third electric sliders 38, one end of the two groups of third hydraulic cylinders 41 are respectively mounted on the tops of the two groups of gantries 40, and the two groups of second clamping plates 42 are respectively mounted on the bottoms of the two groups of third hydraulic cylinders 41;

[0049] The positions of the two sets of fixing frames 28 are adjusted, and then the second electric slide block 16 is slid onto the second slide rail 12. The first hydraulic cylinder 13 is retracted to tilt the right end of the support platform 11 downward. Then, the thin copper tube is placed on the two sets of first clamping plates 39. The two sets of third hydraulic cylinders 41 are extended to make the two sets of second clamping plates 42 cooperate with the two sets of first clamping plates 39 to clamp the thin copper tube. Then, the first hydraulic cylinder 13 is extended to reset the second electric slide block 16, and the position of the first electric slide block 4 is adjusted according to the cutting requirements. Then The storage box 18 is connected to the gas storage device. The two ends of the thin copper tube are polished and sealed by two sets of sealing mechanisms. Then, the second hydraulic cylinder 29 is extended to move the piston 26 out of the storage tube 20, and then the dry ice is put into the storage tube 20. The second hydraulic cylinder 29 is contracted to reset the piston 26 and squeeze the dry ice to the right. At the same time, the second motor 23 is turned on to rotate the scraper 25 to scrape the dry ice. At the same time, the second air pipe 31 is connected to the air compression device, and the compressed air is discharged into the storage tube through the second air pipe 31. In the storage cylinder 20, the broken dry ice in the storage cylinder 20 is blown to the right, and then the dry ice and compressed air pass through the shear plate 24, and when the dry ice passes through the shear plate 24, the rotating scraper 25 cooperates with the shear plate 24 to shear the dry ice, so that the dry ice is broken again, and then the dry ice and compressed air enter the first air pipe 21, and the dry ice hits the impact block 32 again to form dry ice particles, and then the dry air and dry ice particles pass through a set of sealing mechanisms and enter the thin copper tube to cool the thin copper tube, and the dry ice particles hit the thin copper tube. The inner wall of the tube is cleaned to make the splashes fall off, and then the second exhaust pump 17 is turned on to discharge the gas in the thin copper tube into the storage box 18, and then the gas is discharged through the storage box 18 to recover the carbon dioxide. At the same time, by turning on the first motor 8, the first gear 9 is meshed with the first gear ring 7 to drive the annular rotating member 6 to rotate, so that the plasma cutting gun 1 is rotated, and the rotating plasma cutting gun 1 is used to perform circumferential cutting on the thin copper tube. After cutting, the first motor 8 is reversed to reset the plasma cutting gun 1, thereby improving the practicability of the equipment.

[0050] Example 2

[0051] like Figures 1 to 13 As shown, based on Example 1, a plasma cutting machine for drawing thin copper tubes also includes:

[0052] The first electric slider 4 is provided with a nozzle 43;

[0053] The positions of the two sets of fixing frames 28 are adjusted, and then the second electric slide block 16 is slid onto the second slide rail 12. The first hydraulic cylinder 13 is retracted to tilt the right end of the support platform 11 downward. Then, the thin copper tube is placed on the two sets of first clamping plates 39. The two sets of third hydraulic cylinders 41 are extended to make the two sets of second clamping plates 42 cooperate with the two sets of first clamping plates 39 to clamp the thin copper tube. Then, the first hydraulic cylinder 13 is extended to reset the second electric slide block 16, and the position of the first electric slide block 4 is adjusted according to the cutting requirements. Then, the storage box 18 is connected to the gas storage device. Then, the two ends of the thin copper tube are polished and sealed by two sets of sealing mechanisms, and then the second hydraulic cylinder 29 is extended to move the piston 26 out of the storage tube 20, and then the dry ice is put into the storage tube 20, and the second hydraulic cylinder 29 is contracted to reset the piston 26 and squeeze the dry ice to the right, and at the same time, the second motor 23 is turned on to rotate the scraper 25 to scrape the dry ice into pieces, and at the same time, the second air pipe 31 is connected to the air compression device, and the compressed air is discharged into the storage tube 20 through the second air pipe 31, and the broken dry ice in the storage tube 20 is blown to the right, and then After that, the dry ice and the compressed air pass through the shear plate 24, and when the dry ice passes through the shear plate 24, the rotating scraper 25 cooperates with the shear plate 24 to shear the dry ice, so that the dry ice is broken again, and then the dry ice and the compressed air enter the first gas pipeline 21, and the dry ice hits the impact block 32 again to form dry ice particles, and then the dry air and the dry ice particles pass through a set of sealing mechanisms and enter the thin copper tube to cool the thin copper tube, and the dry ice particles hit the inner wall of the thin copper tube to make the splash fall off, and then turn on the second exhaust pump 17, and the gas in the thin copper tube is discharged to the storage The gas is discharged from the box 18 through the storage box 18 to recover the carbon dioxide. At the same time, the first motor 8 is turned on, and the first gear 9 is meshed with the first gear ring 7 to drive the annular rotating member 6 to rotate, so that the plasma cutting gun 1 is rotated, and the rotating plasma cutting gun 1 is used to perform circumferential cutting of the drawn copper tube. After cutting, the first motor 8 is reversed to reset the plasma cutting gun 1, and the two groups of third hydraulic cylinders 41 are contracted. At the same time, the nozzle 43 is opened, and the cut drawn copper tube on the first clamping plate 39 is blown off by compressed air, thereby improving the practicability of the equipment.

[0054] The main functions achieved by the present invention are: improving cutting effect, improving cleaning effect, and improving feeding convenience;

[0055] 1. Improve cutting effect: The cleaning mechanism discharges dry ice particles and compressed gas into the drawn copper tube to cool the drawn copper tube and clean the splashes adhering to the inner wall of the drawn copper tube to ensure the cutting effect;

[0056] 2. Improve the cleaning effect: By grinding and sealing the two ends of the thin copper tube, the gas leakage is reduced and the cleaning effect is guaranteed;

[0057] 3. Improve the convenience of loading: By bending the supporting mechanism, the right part of the cleaning mechanism is moved to the right side of the supporting mechanism, which is convenient for the staff to load the thin copper tube and improves the convenience of loading.

[0058] The installation, connection or setting methods of a plasma cutting machine for drawing thin copper tubes of the present invention are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented; a filter is provided on the air intake of the second exhaust pump 17 to intercept particulate matter in the gas; a plurality of sets of perforations are provided on the shear plate; the plasma cutting gun 1, plasma cutting main unit 2, first motor 8, first hydraulic cylinder 13, first exhaust pump 15, second electric slider 16, second exhaust pump 17, second motor 23, second hydraulic cylinder 29, third motor 34, third electric slider 38 and third hydraulic cylinder 41 of a plasma cutting machine for drawing thin copper tubes of the present invention are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0059] 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 principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A plasma cutting machine for drawing thin copper tubes, comprising a cutting mechanism; characterized in that: It also includes a cleaning mechanism and a limiting mechanism, both of which are installed on the cutting mechanism; The limiting mechanism limits the position of the drawn copper tube, the cleaning mechanism cools the drawn copper tube and cleans the inside of the drawn copper tube, and the cutting mechanism cuts the drawn copper tube.

2. A plasma cutting machine for drawing thin copper tubes as claimed in claim 1, characterized in that: The cutting mechanism comprises a support mechanism, a drive mechanism, an exhaust mechanism, a plasma cutting gun (1) and a plasma cutting main machine (2); the drive mechanism is mounted on the support mechanism, the exhaust mechanism is mounted in the support mechanism, the plasma cutting gun (1) is mounted on the drive mechanism, and the plasma cutting main machine (2) is mounted on the rear side of the support.

3. A plasma cutting machine for drawing thin copper tubes as claimed in claim 2, characterized in that: The driving mechanism comprises a first slide rail (3), a first electric slider (4), a support frame (5), an annular rotating member (6), a first gear ring (7), a first motor (8) and a first gear (9); the first slide rail (3) is mounted on the support mechanism; the first electric slider (4) is slidably mounted on the first slide rail (3); the annular rotating member (6) is rotatably mounted on the support frame (5); the first gear ring (7) is sleeved on the annular rotating member (6); the first motor (8) is fixedly mounted on the top of the support frame (5); the first gear (9) is mounted on the output shaft of the first motor (8); and the bottom end of the first gear (9) is meshedly connected with the first gear ring (7); and the plasma cutting gun (1) is fixedly mounted on the annular rotating member (6).

4. A plasma cutting machine for drawing thin copper tubes as claimed in claim 3, characterized in that: The support mechanism comprises a workbench (10), a support platform (11), a second slide rail (12) and a first hydraulic cylinder (13); one end of the support platform (11) and the first hydraulic cylinder (13) are both rotatably mounted on the workbench (10); the other end of the first hydraulic cylinder (13) is rotatably mounted on the bottom of the support platform (11); the second slide rail (12) is mounted on the top of the support platform (11); and the first slide rail (3) is mounted on the top of the workbench (10).

5. A plasma cutting machine for drawing thin copper tubes as claimed in claim 4, characterized in that: The exhaust mechanism comprises a plurality of filter screens (14) and a first exhaust pump (15); a chamber is arranged inside the workbench (10); a plurality of air suction holes are arranged at the top of the workbench (10); the plurality of filter screens (14) and the first exhaust pump (15) are both installed inside the workbench (10); the plurality of filter screens (14) are both located above the first exhaust pump (15); and the exhaust port of the first exhaust pump (15) extends to the outside of the workbench (10).

6. A plasma cutting machine for drawing thin copper tubes as claimed in claim 4, characterized in that: The cleaning mechanism comprises a crushing mechanism, two sets of sealing mechanisms, a second electric slider (16), a second exhaust pump (17) and a storage box (18); the crushing mechanism is installed on the left side of the workbench (10); the second electric slider (16) is slidably installed on the first slide rail (3); the second exhaust pump (17) and the storage box (18) are both installed on the second electric slider (16); the exhaust port of the second exhaust pump (17) is communicated with the interior of the storage box (18); and the two sets of sealing mechanisms are respectively installed on the suction ports of the crushing mechanism and the second exhaust pump (17).

7. A plasma cutting machine for drawing thin copper tubes as claimed in claim 6, characterized in that: The pulverizing mechanism comprises a frame (19), a storage cylinder (20), a first air pipe (21), a fixed frame (22), a second motor (23), a shear plate (24), a scraper (25), a piston (26), a connecting rod (27), a fixed frame (28), a second hydraulic cylinder (29), a spring (30), a second air pipe (31) and an impact block (32); the storage cylinder (20) is mounted on the left end of the workbench (10) through the frame (19); the first air pipe (21) is mounted on the storage cylinder (20) through the fixed frame (22); the left end of the first air pipe (21) is communicated with the interior of the storage cylinder (20); the second motor (23) and the shear plate (24) are both mounted inside the storage cylinder (20); and the shear plate (24) is located on the left side of the second motor (23). The second motor (23) is provided with a second hydraulic cylinder (29) and a second hydraulic cylinder (29) which is provided with a second hydraulic cylinder (29). The second hydraulic cylinder (29) is provided with a second hydraulic cylinder (29) and a plurality of hydraulic nozzles. The second hydraulic cylinder (29) is provided with a second hydraulic cylinder (31) and a plurality of hydraulic nozzles. The plurality of hydraulic nozzles are provided with a second hydraulic cylinder (31) and a second hydraulic cylinder (31) which ... second hydraulic cylinder (31) which is provided with a second hydraulic cylinder (31) and a second hydraulic cylinder (31) which is provided with a second hydraulic cylinder (31) and a second hydraulic cylinder (31) which is provided with a second hydraulic cylinder (31) and a second hydraulic cylinder (31) which is provided with a second hydraulic cylinder (31) 8. A plasma cutting machine for drawing thin copper tubes as claimed in claim 7, characterized in that: The two sets of sealing mechanisms are respectively installed on the first air delivery pipe (21) and the air intake port of the second exhaust pump (17); The sealing mechanism comprises an air jet pipe (33), a third motor (34), a friction ring (35), a second gear ring (36) and a second gear (37); the third motor (34) is mounted on the air jet pipe (33); the friction ring (35) is rotatably mounted on one end of the air jet pipe (33); the second gear ring (36) is sleeved on the friction ring (35); the second gear (37) is mounted on an output shaft of the third motor (34); and the second gear (37) is meshingly connected with the second gear ring (36).

9. The plasma cutting machine for drawing thin copper tubes as claimed in claim 3, characterized in that: The limiting mechanism comprises two groups of third electric sliders (38), two groups of first clamping plates (39), two groups of gantries (40), two groups of third hydraulic cylinders (41) and two groups of second clamping plates (42). The two groups of third electric sliders (38) are slidably mounted on the first slide rails (3), the two groups of first clamping plates (39) are respectively mounted on the tops of the two groups of third electric sliders (38), the two groups of gantries (40) are respectively fixedly mounted on the tops of the two groups of third electric sliders (38), one end of the two groups of third hydraulic cylinders (41) are respectively mounted on the tops of the two groups of gantries (40), and the two groups of second clamping plates (42) are respectively mounted on the bottoms of the two groups of third hydraulic cylinders (41).

10. The plasma cutting machine for drawing thin copper tubes as claimed in claim 3, characterized in that: The first electric slider (4) is provided with a spray head (43).

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