A plasma cutting machine

Abstract

The utility model relates to the technical field of cutting, and in particular to a plasma cutting machine. When a steel plate is cut on a workbench, the workbench can be cooled and dissipated by a heat dissipation device, so that the over-high temperature of the workbench is avoided, the service life of the workbench is guaranteed, and the use is convenient and practical. The utility model comprises a base plate, a bracket, a workbench and a plasma cutting head, and the workbench is fixedly mounted on the upper end of the base plate through the bracket; the utility model also comprises a heat dissipation device, a clamping device and a moving device, the workbench is provided with a heat dissipation device, the heat dissipation device has a heat dissipation function, the clamping device is mounted on the workbench, the clamping device has a clamping and fixing function, the plasma cutting head is mounted on the moving device, the moving device is used to move the plasma cutting head, and the plasma cutting head is located above the right side of the workbench.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting, in particular to a plasma cutting machine. Background Art

[0002] A plasma cutter is a device that uses high-temperature plasma to cut metal materials. It has a wide range of applications in the field of cutting. When processing a ship hull, a plasma cutter is required to cut the steel plate to a suitable length. In the prior art, a utility model patent with patent application number 201720403902.9 discloses a plasma cutter, which is mainly composed of a workbench and a plasma cutter. When it is used, the workpiece to be cut is placed on the workbench, and then the plasma cutter is turned on to cut the workpiece. The inventor believes that there are the following problems in its use. Since the plasma cutter cuts the workpiece through high-temperature plasma, when a long-term cutting work is required, the high temperature generated during cutting will be continuously transferred to the workbench through the workpiece, causing the workbench to be in a high-temperature state for a long time, affecting its strength and hardness, resulting in a reduced service life of the workbench and inconvenient use. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a plasma cutting machine which can dissipate heat and cool the workbench through a heat dissipation device when cutting steel plates on the workbench, thereby avoiding excessive temperature of the workbench and ensuring the service life of the workbench. The machine is easy to use and has high practicality.

[0004] The utility model plasma cutting machine comprises a bottom plate, a bracket, a workbench and a plasma cutting head. The workbench is fixedly mounted on the upper end of the bottom plate through the bracket; it also comprises a heat dissipation device, a clamping device and a moving device. The workbench is provided with a heat dissipation device, which has a heat dissipation function; the clamping device is mounted on the workbench, which has a clamping and fixing function; the plasma cutting head is mounted on the moving device, and the moving device is used to move the plasma cutting head. The plasma cutting head is located above the right side of the workbench; when processing the hull, the steel plate needs to be cut to a suitable length first. When cutting the steel plate, the steel plate is first placed on the upper end of the workbench, and then the steel plate is moved , so that the part of the steel plate to be cut is moved to the bottom of the plasma cutting head, and then the steel plate is pressed and fixed on the upper end of the workbench by a clamping device, and then the plasma cutting head is turned on, so that the plasma cutting head emits high-temperature plasma to cut the steel plate, and then the plasma cutting head is moved along the cutting part of the steel plate by a moving device, so that the plasma cutting head cuts the steel plate to a suitable length, and at the same time, the heat dissipation device is used to dissipate heat and cool the workbench to reduce the temperature of the workbench; when it cuts the steel plate on the workbench, the heat dissipation device can be used to dissipate heat and cool the workbench, so as to avoid the workbench temperature being too high and ensure the service life of the workbench. It is easy to use and has high practicality.

[0005] Preferably, the moving device comprises a support frame, a hydraulic cylinder A, a push rod, a lifting plate, an electric slide rail and a sliding plate, the support frame is fixedly mounted on the upper end of the bottom plate, the hydraulic cylinder A is fixedly mounted on the upper end of the support frame, the push rod is slidably mounted on the upper part of the support frame, the upper end of the push rod is connected to the output end of the hydraulic cylinder A, the lifting plate is fixedly mounted on the lower end of the push rod, the electric slide rail is fixedly mounted on the lower end of the lifting plate, the sliding plate is mounted on the electric slide rail, the electric slide rail is used to move the sliding plate back and forth, and the plasma cutting head is fixedly mounted on the lower end of the sliding plate; when cutting the steel plate, first move the part to be cut on the steel plate to below the plasma cutting head, then open the hydraulic cylinder A, the hydraulic cylinder A drives the lifting plate to drive the electric slide rail and the sliding plate to descend through the push rod, the sliding plate drives the plasma cutting head to descend until the distance between the plasma cutting head and the steel plate is a distance suitable for cutting, then open the electric slide rail, the electric slide rail drives the plasma cutting head to move back and forth through the sliding plate, the plasma cutting head cuts the steel plate in the process of moving back and forth, and the steel plate is cut to a suitable length; it is convenient to cut the steel plate and improves the convenience during use.

[0006] Preferably, the clamping device includes a fixed frame, a cylinder, a piston rod and a pressure plate, the fixed frame is fixedly installed on the upper end of the workbench, the cylinder is fixedly installed on the upper end of the fixed frame, the piston rod is slid up and down on the fixed frame, the upper end of the piston rod is connected to the output end of the cylinder, the pressure plate is fixedly installed on the lower end of the piston rod, and the pressure plate is located above the workbench; when cutting the steel plate, when the cutting part of the steel plate moves to below the plasma cutting head, the cylinder is opened, and the cylinder lowers the pressure plate through the piston rod until the pressure plate contacts the steel plate, so that the pressure plate presses the steel plate and fixes it on the upper end of the workbench, thereby improving the stability of the steel plate during the cutting process, being easy to use and having high reliability.

[0007] Preferably, the heat dissipation device includes a water tank, a water pump, a delivery pipe, a pipeline A, multiple groups of heat exchange tubes and a pipeline B. The water tank is fixedly installed on the upper end of the bottom plate, a water cavity is arranged in the water tank, the water pump is installed on the water tank, the input end of the water pump is connected with the water cavity of the water tank, the output end of the water pump is connected with the multiple groups of heat exchange tubes through the delivery pipe, the multiple groups of heat exchange tubes are embedded in the workbench, the output ends of the multiple groups of heat exchange tubes are connected with the water cavity of the water tank through the pipeline B, a refrigeration plate is arranged on the water tank, the heat dissipation end of the refrigeration plate is located on the outside of the water tank, and the system The cooling end of the cold plate is located in the water cavity of the water tank; when cutting the steel plate on the workbench, turn on the water pump, so that the water in the water cavity of the water tank enters into the multiple groups of heat exchange tubes through the water pump, the delivery pipe and the pipe A in turn, and then the water in the multiple groups of heat exchange tubes exchanges heat with the workbench through the pipe walls of the multiple groups of heat exchange tubes to cool the workbench, and then the water in the multiple groups of heat exchange tubes flows back to the water tank through the pipe B to dissipate heat and cool down through the refrigeration plate; the heat dissipation and cooling effect of the workbench is improved, and the reliability of the workbench during use is guaranteed.

[0008] Preferably, it also includes a support frame, a fixed plate, a hydraulic cylinder B, a pushing rod and a positioning plate, the support frame is fixedly installed on the upper end of the base plate, the fixed plate is fixedly installed on the upper end of the support frame, the hydraulic cylinder B is fixedly installed on the left end of the fixed plate, the pushing rod is slidably installed on the fixed plate left and right, the left end of the pushing rod is connected to the output end of the hydraulic cylinder B, the positioning plate is fixedly installed on the right end of the pushing rod, and the positioning plate is located above the workbench; when cutting the steel plate, the steel plate is placed on the upper end of the workbench, and then the staff measures and moves the steel plate according to the measurement results so that the part on the steel plate to be cut is moved to the bottom of the plasma cutting head, and then the pushing rod drives the positioning plate to move to the right through the hydraulic cylinder B until the right end of the positioning plate contacts the left end of the steel plate. At this time, the distance between the right end of the positioning plate and the plasma cutting head is the required length of the steel plate. When the next steel plate needs to be cut, the left end of the steel plate is contacted with the positioning plate to ensure that the part on the steel plate to be cut is located below the plasma cutting head, thereby improving convenience.

[0009] Preferably, a collection box is provided at the upper end of the bottom plate, and the collection box is located below the plasma cutting head; through the above arrangement, the collection of the cut scrap steel plates is facilitated.

[0010] Preferably, a thermometer is provided on the water tank; through the above arrangement, the water temperature in the water cavity of the water tank is easily monitored, thereby improving the convenience during use.

[0011] Compared with the prior art, the utility model has the following beneficial effects: when cutting a steel plate on a workbench, the heat dissipation device can be used to dissipate heat and cool the workbench, thereby avoiding excessive temperature of the workbench, ensuring the service life of the workbench, and being easy to use and highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0013] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0014] Figure 3 It is a structural schematic diagram of a positioning plate, a push rod and a fixing plate;

[0015] Figure 4 is a schematic diagram of the structure of the heat dissipation device;

[0016] Figure 5 It is a schematic diagram of the structure of the moving device and the plasma cutting head;

[0017] Figure 6 It is a structural schematic diagram of the clamping device.

[0018] Markings in the attached drawings: 1. Base plate; 2. Bracket; 3. Workbench; 4. Plasma cutting head; 5. Support frame; 6. Hydraulic cylinder A; 7. Push rod; 8. Lifting plate; 9. Electric slide rail; 10. Sliding plate; 11. Fixed frame; 12. Cylinder; 13. Piston rod; 14. Press plate; 15. Water tank; 16. Water pump; 17. Delivery pipe; 18. Pipeline A; 19. Heat exchange tube; 20. Pipeline B; 21. Support frame; 22. Fixed plate; 23. Hydraulic cylinder B; 24. Push rod; 25. Positioning plate; 26. Collection box; 27. Steel plate. DETAILED DESCRIPTION

[0019] 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.

[0020] Example 1

[0021] like Figures 1 to 6The plasma cutting machine of the utility model comprises a bottom plate 1, a bracket 2, a workbench 3, a plasma cutting head 4, a heat dissipation device, a pressing device and a moving device. The workbench 3 is fixedly mounted on the upper end of the bottom plate 1 through the bracket 2. The workbench 3 is provided with a heat dissipation device, which has a heat dissipation function. The pressing device is mounted on the workbench 3, which has a pressing and fixing function. The plasma cutting head 4 is mounted on the moving device, and the moving device is used to move the plasma cutting head 4. The plasma cutting head 4 is located above the right side of the workbench 3. When processing the hull, the steel plate 27 needs to be cut to a suitable length first. When cutting the steel plate 27, the steel plate 27 is first placed on the upper end of the workbench 3, and then the steel plate 27 is moved to make the steel plate The part of the plate 27 that needs to be cut is moved to the bottom of the plasma cutting head 4, and then the steel plate 27 is pressed and fixed on the upper end of the workbench 3 by a clamping device, and then the plasma cutting head 4 is turned on, so that the plasma cutting head 4 emits high-temperature plasma to cut the steel plate 27, and then the plasma cutting head 4 is moved along the cutting part of the steel plate 27 by a moving device, so that the plasma cutting head 4 cuts the steel plate 27 to a suitable length, and at the same time, the workbench 3 is cooled and cooled by the heat dissipation device to reduce the temperature of the workbench 3; when the steel plate 27 is cut on the workbench 3, the heat dissipation device can be used to cool the workbench 3 to avoid excessive temperature of the workbench 3, thereby ensuring the service life of the workbench 3, and the use is convenient and practical.

[0022] like Figure 5 The moving device includes a support frame 5, a hydraulic cylinder A6, a push rod 7, a lifting plate 8, an electric slide rail 9 and a sliding plate 10. The support frame 5 is fixedly mounted on the upper end of the bottom plate 1, the hydraulic cylinder A6 is fixedly mounted on the upper end of the support frame 5, the push rod 7 is slidably mounted on the upper part of the support frame 5, the upper end of the push rod 7 is connected to the output end of the hydraulic cylinder A6, the lifting plate 8 is fixedly mounted on the lower end of the push rod 7, the electric slide rail 9 is fixedly mounted on the lower end of the lifting plate 8, the sliding plate 10 is mounted on the electric slide rail 9, the electric slide rail 9 is used to move the sliding plate 10 forward and backward, and the plasma cutting head 4 is fixedly mounted on the lower end of the sliding plate 10; when cutting the steel plate 27, first make the steel plate 27 The part to be cut on the steel plate 27 is moved to the bottom of the plasma cutting head 4, and then the hydraulic cylinder A6 is turned on. The hydraulic cylinder A6 drives the lifting plate 8 to drive the electric slide rail 9 and the sliding plate 10 to descend through the push rod 7. The sliding plate 10 drives the plasma cutting head 4 to descend until the distance between the plasma cutting head 4 and the steel plate 27 is suitable for cutting. Then the electric slide rail 9 is turned on. The electric slide rail 9 drives the plasma cutting head 4 to move back and forth through the sliding plate 10. The plasma cutting head 4 cuts the steel plate 27 in the process of moving back and forth, so that the steel plate 27 can be cut to a suitable length; it is convenient to cut the steel plate 27 and improves the convenience during use.

[0023] like Figure 1 and Figure 6The clamping device includes a fixed frame 11, a cylinder 12, a piston rod 13 and a pressing plate 14. The fixed frame 11 is fixedly installed on the upper end of the workbench 3, the cylinder 12 is fixedly installed on the upper end of the fixed frame 11, the piston rod 13 is slidably installed on the fixed frame 11 up and down, the upper end of the piston rod 13 is connected to the output end of the cylinder 12, and the pressing plate 14 is fixedly installed at the lower end of the piston rod 13, and the pressing plate 14 is located above the workbench 3; when cutting the steel plate 27, when the cutting part of the steel plate 27 moves to below the plasma cutting head 4, the cylinder 12 is opened, and the cylinder 12 lowers the pressing plate 14 through the piston rod 13 until the pressing plate 14 contacts the steel plate 27, so that the pressing plate 14 presses and fixes the steel plate 27 on the upper end of the workbench 3, thereby improving the stability of the steel plate 27 during the cutting process, being easy to use and having high reliability.

[0024] like Figure 4 The heat dissipation device includes a water tank 15, a water pump 16, a delivery pipe 17, a pipeline A18, a plurality of heat exchange tubes 19 and a pipeline B20. The water tank 15 is fixedly installed on the upper end of the bottom plate 1. A water cavity is arranged in the water tank 15. The water pump 16 is installed on the water tank 15. The input end of the water pump 16 is communicated with the water cavity of the water tank 15. The output end of the water pump 16 is communicated with the plurality of heat exchange tubes 19 through the delivery pipe 17. The plurality of heat exchange tubes 19 are all embedded in the workbench 3. The output ends of the plurality of heat exchange tubes 19 are communicated with the water cavity of the water tank 15 through the pipeline B20. A refrigeration plate is arranged on the water tank 15. The heat dissipation end of the refrigeration plate is located at the On the outside, the cooling end of the cooling plate is located in the water cavity of the water tank 15; when the steel plate 27 is cut on the workbench 3, the water pump 16 is turned on to allow the water in the water cavity of the water tank 15 to enter the multiple groups of heat exchange tubes 19 through the water pump 16, the delivery pipe 17 and the pipe A18 in sequence, and then the water in the multiple groups of heat exchange tubes 19 exchanges heat with the workbench 3 through the pipe walls of the multiple groups of heat exchange tubes 19 to cool the workbench 3, and then the water in the multiple groups of heat exchange tubes 19 flows back to the water tank 15 through the pipe B20 to dissipate heat and cool down through the cooling plate; the heat dissipation and cooling effect of the workbench 3 is improved, and the reliability of the workbench 3 during use is guaranteed.

[0025] A collecting box 26 is provided at the upper end of the bottom plate 1 , and the collecting box 26 is located below the plasma cutting head 4 . A thermometer is provided on the water tank 15 .

[0026] Example 2

[0027] like Figure 1 and Figure 3On the basis of Example 1, a support frame 21, a fixed plate 22, a hydraulic cylinder B23, a push rod 24 and a positioning plate 25 are additionally provided. The support frame 21 is fixedly mounted on the upper end of the bottom plate 1, the fixed plate 22 is fixedly mounted on the upper end of the support frame 21, the hydraulic cylinder B23 is fixedly mounted on the left end of the fixed plate 22, the push rod 24 is slidably mounted on the fixed plate 22, the left end of the push rod 24 is connected to the output end of the hydraulic cylinder B23, the positioning plate 25 is fixedly mounted on the right end of the push rod 24, and the positioning plate 25 is located above the workbench 3; when the steel plate 27 is cut, the steel plate 27 is placed on the upper end of the workbench 3. , then the staff takes measurements and moves the steel plate 27 according to the measurement results, so that the part of the steel plate 27 that needs to be cut is moved to the bottom of the plasma cutting head 4, and then the hydraulic cylinder B23 is used to drive the push rod 24 to move the positioning plate 25 to the right until the right end of the positioning plate 25 contacts the left end of the steel plate 27. At this time, the distance between the right end of the positioning plate 25 and the plasma cutting head 4 is the required length of the steel plate. When the next steel plate needs to be cut, the left end of the steel plate is contacted with the positioning plate 25, which can ensure that the part of the steel plate that needs to be cut is located below the plasma cutting head 4, thereby improving convenience.

[0028] The plasma cutting head 4, support frame 5, electric slide rail 9, air cylinder 12, water tank 15, water pump 16 and hydraulic cylinder B23 of the plasma cutting machine of the utility model are all purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0029] 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 plasma cutting machine, comprising a base plate (1), a bracket (2), a workbench (3) and a plasma cutting head (4), wherein the workbench (3) is fixedly mounted on the upper end of the base plate (1) through the bracket (2); characterized in that: It also comprises a heat dissipation device, a pressing device and a moving device. The heat dissipation device is arranged on the workbench (3) and has a heat dissipation function. The pressing device is installed on the workbench (3) and has a pressing and fixing function. The plasma cutting head (4) is installed on the moving device and is used to move the plasma cutting head (4). The plasma cutting head (4) is located above the right side of the workbench (3).

2. A plasma cutting machine as claimed in claim 1, characterized in that: The moving device comprises a support frame (5), a hydraulic cylinder A (6), a push rod (7), a lifting plate (8), an electric slide rail (9) and a sliding plate (10); the support frame (5) is fixedly mounted on the upper end of the base plate (1); the hydraulic cylinder A (6) is fixedly mounted on the upper end of the support frame (5); the push rod (7) is mounted on the upper part of the support frame (5) so as to slide up and down; the upper end of the push rod (7) is connected to the output end of the hydraulic cylinder A (6); the lifting plate (8) is fixedly mounted on the lower end of the push rod (7); the electric slide rail (9) is fixedly mounted on the lower end of the lifting plate (8); the sliding plate (10) is mounted on the electric slide rail (9); the electric slide rail (9) is used to move the sliding plate (10) forward and backward; and the plasma cutting head (4) is fixedly mounted on the lower end of the sliding plate (10).

3. A plasma cutting machine as claimed in claim 1, characterized in that: The clamping device comprises a fixed frame (11), a cylinder (12), a piston rod (13) and a pressing plate (14); the fixed frame (11) is fixedly mounted on the upper end of the workbench (3); the cylinder (12) is fixedly mounted on the upper end of the fixed frame (11); the piston rod (13) is slidably mounted on the fixed frame (11) in an up-and-down manner; the upper end of the piston rod (13) is connected to the output end of the cylinder (12); the pressing plate (14) is fixedly mounted on the lower end of the piston rod (13); and the pressing plate (14) is located above the workbench (3).

4. A plasma cutting machine as claimed in claim 1, characterized in that: The heat dissipation device comprises a water tank (15), a water pump (16), a delivery pipe (17), a pipeline A (18), a plurality of groups of heat exchange tubes (19) and a pipeline B (20). The water tank (15) is fixedly mounted on the upper end of the base plate (1). A water cavity is arranged in the water tank (15). The water pump (16) is mounted on the water tank (15). The input end of the water pump (16) is in communication with the water cavity of the water tank (15). The output end of the water pump (16) is in communication with the plurality of groups of heat exchange tubes (19) through the delivery pipe (17). The plurality of groups of heat exchange tubes (19) are all embedded in the workbench (3). The output ends of the plurality of groups of heat exchange tubes (19) are in communication with the water cavity of the water tank (15) through the pipeline B (20). A refrigeration plate is arranged on the water tank (15). The heat dissipation end of the refrigeration plate is located outside the water tank (15), and the refrigeration end of the refrigeration plate is located in the water cavity of the water tank (15).

5. A plasma cutting machine as claimed in claim 1, characterized in that: The machine also comprises a support frame (21), a fixed plate (22), a hydraulic cylinder B (23), a push rod (24) and a positioning plate (25), wherein the support frame (21) is fixedly mounted on the upper end of the base plate (1), the fixed plate (22) is fixedly mounted on the upper end of the support frame (21), the hydraulic cylinder B (23) is fixedly mounted on the left end of the fixed plate (22), the push rod (24) is slidably mounted on the fixed plate (22), the left end of the push rod (24) is connected to the output end of the hydraulic cylinder B (23), the positioning plate (25) is fixedly mounted on the right end of the push rod (24), and the positioning plate (25) is located above the workbench (3).

6. A plasma cutting machine as claimed in claim 1, characterized in that: A collection box (26) is provided at the upper end of the bottom plate (1), and the collection box (26) is located below the plasma cutting head (4).

7. A plasma cutting machine as claimed in claim 4, characterized in that: The water tank (15) is provided with a thermometer.

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