Air gouging cutting cooling device with auxiliary cooling structure
By designing a goblet cutting cooling device with an auxiliary cooling structure, the mixing plate and fan are used to improve the cooling efficiency of water, and the water flow time is extended by guiding components, the problem of water temperature rising after cooling of the goblet cutting workpiece is solved, achieving a more efficient cooling and cooling effect.
Patent Information
- Application Number
- CN202520136866.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2035-01-21
AI Technical Summary
The prior art After the cooling of the workpiece with gooter cutting is reduced, the water temperature after use is increased. If it is directly recycled, the effect of water on cooling of the workpiece will be reduced.
A goblet cutting cooling device with an auxiliary cooling structure is designed, including a processing box, a stirring plate, a fan and a guide member. The motor drives the rotary rod and the stirring plate to rotate, so that the stirring treatment of water is achieved, and the fan is used to cool down air. At the same time, the water flow time is extended through the guide components to improve the natural cooling effect of water.
It improves the cooling efficiency of water, extends the flow time of water, and enhances the contact area between water and air, thereby improving the cooling effect of gooter cutting workpieces, and solving the problem of reducing the cooling effect caused by the increase in water temperature.
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Figure CN222569672U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air gouging cutting, in particular to an air gouging cutting cooling device with an auxiliary cooling structure. Background Art
[0002] Air gouging is a highly efficient metal processing technology. It uses the high temperature generated by a carbon arc to melt the metal, and blows away the molten metal through compressed air to achieve cutting or gouging. The basic principle is to use air pressure to push metal particles, which sometimes involve high-speed spraying, to blow away the metal melted by the arc generated between the carbon rod and the workpiece to achieve the purpose of cutting or gouging.
[0003] In the process of gouging cutting workpieces, it is crucial to cool the workpieces, which helps prevent the workpieces from thermal deformation, thermal cracks or thermal stress caused by high temperature. For some gouging cutting processes that require higher cooling efficiency, water cooling methods can be used, which usually involves setting up water spray or water cooling devices near the workpiece or in the cutting area.
[0004] In the prior art, if it is necessary to cool the workpiece during the process of air planing cutting, a water pump is generally used to pump water out of a water tank and send the water to the cooling part of the air planing gun and the cutting equipment to cool the workpiece. The temperature of the water will increase accordingly after use. If it is directly recycled and the workpiece is cooled again, the effect of water on cooling the workpiece is reduced. Therefore, it is necessary to propose an air planing cutting cooling device with an auxiliary cooling structure to solve the above problems. Utility Model Content
[0005] The utility model aims to provide a gouging and cooling device with an auxiliary cooling structure, so as to solve the problem in the prior art that after the gouging and cutting workpiece is cooled and the temperature of the water after use will increase accordingly, and if the water is recovered and used to directly cool the workpiece, the cooling effect of the water on the workpiece will be reduced.
[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0007] An air planer cutting cooling device with an auxiliary cooling structure comprises a workbench; a support frame is fixedly installed at the bottom of the workbench, a placement plate is fixedly connected to the inner side of the support frame, a processing box is fixedly installed on the top of the placement plate, a controller is fixedly connected to one end of the processing box, a guide frame is fixedly installed on the top of the processing box, the guide frame is fixedly connected to the bottom surface of the workbench, a water guide groove is opened on the top of the workbench, and the water guide groove is communicated with the inside of the guide frame;
[0008] A filter plate is fixedly installed inside the processing box, a rotating rod is rotatably installed inside the processing box on one side of the filter plate through a bearing, a motor is fixedly connected to one end of the processing box on the controller side, the output shaft of the motor extends into the inside of the processing box and is fixedly connected to the rotating rod, three stirring plates are fixedly installed on the rotating rod at even intervals along the length direction, and a fan is fixedly connected to the top of the processing box on one side of the guide frame;
[0009] A guide component is arranged on one side of the processing box, and the guide component is used to guide and limit the flow direction of water. A connecting pipe is arranged on the side of the guide component away from the processing box.
[0010] The above technical scheme is adopted. In this scheme, in the prior art, if it is necessary to cool the workpiece during the process of air planing cutting the workpiece, a water pump is generally used to pump out the water in the water tank and send it to the cooling part of the air planing gun and the cutting equipment to achieve cooling and cooling treatment of the workpiece. The temperature of the water after use will increase accordingly. If it is directly recycled and the workpiece is cooled again, the cooling effect of water on the workpiece is reduced. In this application, the used water can be temporarily stored by installing a processing box, and the rotating rod is driven to rotate by installing a motor, and the stirring plate is driven to rotate at the same time to achieve stirring treatment of the water, wherein the stirring plate can rotate toward the top, so that the water is subjected to a force toward the top, thereby promoting convection of the water in the vertical direction, thereby improving the cooling efficiency of the water, and the fan can be used to bring external air into the interior of the processing box, so that cold wind blows to the water, thereby further improving the cooling efficiency of the water, so that the water can be used again to cool and cool the workpiece cut by the air planer.
[0011] A further improvement of the technical solution of the utility model is that: the guide component includes a guide box, one side of the guide box is fixedly connected to the connecting pipe, and the other side of the guide box is fixedly connected to the processing box; one end of the connecting pipe is connected to the inside of the guide box;
[0012] A guide plate is fixedly installed at the bottom of the guide box on the side away from the connecting pipe, and both end surfaces of the guide plate are fixedly connected to the inner wall of the guide box;
[0013] A guide plate is fixedly installed at the bottom of the guide box on one side close to the connecting pipe, and both end surfaces of the guide plate are fixedly connected to the inner wall of the guide box;
[0014] A material guide plate is fixedly installed at the top between the guide plate and the guide plate in the guide box, and the two end surfaces of the material guide plate are fixedly connected to the inner wall of the guide box;
[0015] A circular hole is provided on one side of the processing box and the guiding box which are close to each other, and the two circular holes are communicated with each other.
[0016] The above technical solution is adopted. In this solution, by setting the guide component, the flow direction of water can be guided and limited. The guide box is installed to temporarily store water. After the power equipment such as the water pump is connected and fixed to the connecting pipe, in the process of the power equipment such as the water pump guiding the water to one side, the flow direction of water can be gradually guided and limited by installing the guide plate, the material guide plate and the guide plate, thereby extending the flow time of water, so that the water can cool naturally for a period of time, thereby improving the water cooling effect to a certain extent, and improving the subsequent cooling effect of the workpiece cut by the air planer; by installing the heightening frame, the top of the guide box can be heightened, thereby extending the distance between the top of the material guide plate and the heightening frame, and an opening can be opened on the top of the guide box, thereby increasing the contact area between water and air, accelerating the air flow, thereby further improving the natural cooling effect of water, and at the same time reducing the possibility of water splashing out through the opening at the top of the heightening frame, so that the water flows to one side, and the opening can be shielded by setting a protective mesh plate, wherein the surface of the protective mesh plate is a mesh structure, which reduces the possibility of external dust and impurities entering the guide box and affecting the water quality.
[0017] A further improvement of the technical solution of the utility model is that a heightening frame is fixedly installed on the top of the guide box, and a protective mesh plate is fixedly connected to the top of the heightening frame.
[0018] The above technical solution is adopted. In this solution, the guide plate and the guide plate are tilted to facilitate water to flow to one side, thereby reducing the possibility of water accumulating inside the guide box and ensuring that water can flow to one side normally.
[0019] The further improvement of the technical solution of the utility model lies in that: the guide plate and the upper end of the guide plate are inclined toward the side close to the connecting pipe; the lower end of the material guide plate is inclined toward the side close to the connecting pipe; the guide plate, the material guide plate and the guide plate are all arranged as flat plate structures.
[0020] The above technical solution is adopted. In this solution, the guide plate is tilted to facilitate water flow to one side, thereby reducing the possibility of water accumulation inside the guide box and ensuring that water can flow normally to one side.
[0021] A further improvement of the technical solution of the utility model is that the three stirring plates are all inclined, an inclined plate is fixedly installed inside the processing box at the bottom of the rotating rod, and the top surface of the inclined plate is set as an inclined plane, and the side of the inclined plane close to the rotating rod is lower than the side away from the rotating rod.
[0022] The above-mentioned technical solution is adopted. In this solution, by tilting the stirring plate, it can help to break the thermal stratification phenomenon of the water body, so that the heat is more evenly distributed in the entire water body, thereby further improving the cooling efficiency of the water. By installing an inclined plate and setting the surface of the inclined plate into an inclined surface, the water in the treatment box can be guided to one side, thereby facilitating the water to enter the interior of the guide box.
[0023] A further improvement of the technical solution of the utility model is that a baffle is fixedly installed inside the processing box at the top of the rotating rod, and a plurality of through holes are opened inside the baffle.
[0024] The above-mentioned technical solution is adopted. In this solution, a baffle and a through hole are set to separate the water and the fan. During the process of the stirring plate stirring the water, the baffle can intercept the water splashing to the top, thereby reducing the possibility of water splashing to the fan surface and providing waterproof protection for the fan.
[0025] A further improvement of the technical solution of the utility model is that each through hole is in the shape of an inverted cone.
[0026] The above technical solution is adopted, in which the through hole is set to an inverted cone shape so that the wind from the fan passes through the through hole and blows toward the water surface, thereby further enhancing the use effect of the fan.
[0027] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:
[0028] 1. The utility model provides a gouging and cooling device with an auxiliary cooling structure. In the process of gouging and cutting workpieces, water is used to cool and reduce the temperature of the gouging cut workpiece. The used water flows into the interior of the processing box through the water guide groove and the guide frame, and the motor is used to drive the rotating rod and the stirring plate to rotate, so as to stir the water. The stirring plate can rotate toward the top. Compared with the horizontal rotation, the water can be subjected to a force toward the top, thereby promoting the convection of the water in the vertical direction, thereby improving the cooling efficiency of the water. At the same time, a fan is used to cool the water, thereby further improving the cooling efficiency of the water, so that the water can be used again to cool and reduce the temperature of the gouging cut workpiece, thereby solving the problem that the temperature of the water increases due to the recycling of the water, thereby reducing the cooling effect on the workpiece.
[0029] 2. The utility model provides an air planer cutting cooling device with an auxiliary cooling structure. After a water pump and other power equipment are connected and fixed to a connecting pipe, in the process of the water pump and other power equipment guiding water to one side, the guiding components cooperate with each other, wherein the guide plate, the material guide plate and the guide plate are installed to gradually guide and limit the flow direction of water, thereby extending the flow time of water, improving the water cooling effect to a certain extent, and thus improving the subsequent cooling effect of the workpiece cut by the air planer.
[0030] 3. The utility model provides an air planer cutting cooling device with an auxiliary cooling structure. In the process of the stirring plate stirring the water, the baffle and the through hole can be used to separate the water and the fan, so that the baffle can intercept the water splashing to the top, thereby reducing the possibility of water splashing to the fan surface, and having a waterproof protection effect on the fan. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] The utility model will be further described below in conjunction with the accompanying drawings.
[0032] Figure 1 It is a three-dimensional diagram of the utility model;
[0033] Figure 2 It is a schematic diagram of the partial structure of the cross section of the workbench of the utility model;
[0034] Figure 3 It is a schematic diagram of the partial structure of the processing box section of the utility model;
[0035] Figure 4 It is a schematic diagram of the partial structure of the baffle section of the utility model;
[0036] Figure 5 It is a schematic diagram of the local structure of the rotating rod of the utility model;
[0037] Figure 6 It is a schematic diagram of the partial structure of the guide component section of the utility model;
[0038] Figure 7 It is a schematic diagram of the overall internal structure of the utility model.
[0039] In the figure: 1. workbench; 2. placement plate; 3. processing box; 4. controller; 5. guide component; 501. guide box; 502. guide plate; 503. material guide plate; 504. guide plate; 6. water guide trough; 7. guide frame; 8. fan; 9. support frame; 10. motor; 11. filter plate; 12. baffle; 13. rotating rod; 14. stirring plate; 15. connecting pipe; 16. through hole; 17. heightening frame; 18. protective mesh plate; 19. inclined plate. DETAILED DESCRIPTION
[0040] The present invention is further described in detail below in conjunction with the embodiments:
[0041] Example 1
[0042] like Figure 1 , Figure 2 and Figure 5 As shown, an air planer cutting cooling device with an auxiliary cooling structure comprises a workbench 1; a support frame 9 is fixedly installed at the bottom of the workbench 1, a placement plate 2 is fixedly connected to the inner side of the support frame 9, a processing box 3 is fixedly installed on the top of the placement plate 2, a controller 4 is fixedly connected to one end of the processing box 3, a guide frame 7 is fixedly installed on the top of the processing box 3, the guide frame 7 is fixedly connected to the bottom surface of the workbench 1, a water guide groove 6 is opened on the top of the workbench 1, and the water guide groove 6 is communicated with the inside of the guide frame 7;
[0043] A filter plate 11 is fixedly installed inside the processing box 3, a rotating rod 13 is rotatably installed inside the processing box 3 on one side of the filter plate 11 through a bearing, a motor 10 is fixedly connected to one end of the processing box 3 on the side of the controller 4, the output shaft of the motor 10 extends to the inside of the processing box 3 and is fixedly connected to the rotating rod 13, three stirring plates 14 are fixedly installed on the rotating rod 13 at even intervals along the length direction, and a fan 8 is fixedly connected to the top of the processing box 3 on the side of the guide frame 7;
[0044] A guide component 5 is provided on one side of the treatment box 3 , and the guide component 5 is used to guide and limit the flow direction of water. A connecting pipe 15 is provided on the side of the guide component 5 away from the treatment box 3 .
[0045] In this embodiment, in the prior art, if it is necessary to cool the workpiece during the process of air planing cutting the workpiece, a water pump is generally used to pump out the water in the water tank and send it to the cooling part of the air planing gun and the cutting equipment to achieve cooling and cooling treatment of the workpiece. The temperature of the water after use will increase accordingly. If it is directly recycled and the workpiece is cooled again, the cooling effect of water on the workpiece is reduced. In this application, the used water can be temporarily stored by installing a processing box 3, and the motor 10 is installed to drive the rotating rod 13 to rotate, and the stirring plate 14 is driven to rotate at the same time to achieve stirring treatment of the water, wherein the stirring plate 14 can rotate toward the top, so that the water is subjected to a force toward the top, thereby promoting the convection of the water in the vertical direction, thereby improving the cooling efficiency of the water, and the fan 8 can be used to bring external air into the interior of the processing box 3, so that cold wind blows to the water, thereby further improving the cooling efficiency of the water, so that the water can be used again to cool the workpiece cut by the air planing.
[0046] Example 2
[0047] like Figure 1 , Figure 2 and Figure 6As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the guide component 5 includes a guide box 501, one side of the guide box 501 is fixedly connected to the connecting pipe 15, and the other side of the guide box 501 is fixedly connected to the processing box 3; one end of the connecting pipe 15 is communicated with the inside of the guide box 501;
[0048] A guide plate 502 is fixedly installed at the bottom of the guide box 501 on the side away from the connecting pipe 15, and both end surfaces of the guide plate 502 are fixedly connected to the inner wall of the guide box 501;
[0049] A guide plate 504 is fixedly installed at the bottom of the guide box 501 near the connecting pipe 15, and both end surfaces of the guide plate 504 are fixedly connected to the inner wall of the guide box 501;
[0050] A material guide plate 503 is fixedly installed at the top between the guide plate 502 and the guide plate 504 in the guide box 501, and both end surfaces of the material guide plate 503 are fixedly connected to the inner wall of the guide box 501;
[0051] A circular hole is provided on the side where the processing box 3 and the guide box 501 are close to each other, and the two circular holes are connected to each other;
[0052] A heightening frame 17 is fixedly installed on the top of the guide box 501, and a protective mesh plate 18 is fixedly connected to the top of the heightening frame 17;
[0053] The upper ends of the guide plates 502 and 504 are inclined toward the side close to the connecting pipe 15; the lower end of the material guide plate 503 is inclined toward the side close to the connecting pipe 15; the guide plates 502, 503 and 504 are all arranged as flat plate structures.
[0054] In this embodiment, by setting the guide component 5, the flow direction of water can be guided and limited, wherein the guide box 501 is installed to temporarily store water. After the water pump and other power equipment are connected and fixed to the connecting pipe 15, in the process of the water pump and other power equipment guiding the water to one side, the guide plate 502, the guide plate 503 and the guide plate 504 are installed to gradually guide and limit the flow direction of water, thereby extending the flow time of water, allowing the water to cool naturally for a period of time, thereby improving the water cooling effect to a certain extent, and improving the subsequent cooling effect of the workpiece cut by the air planer, and by tilting the guide plate 502, the guide plate 503 and the guide plate 504, so that the water flows to one side, reducing The possibility of water accumulation inside the guide box 501 is reduced, ensuring that water can flow normally to one side; by installing the raising frame 17, the top of the guide box 501 can be raised, thereby extending the distance between the top of the guide plate 503 and the raising frame 17, and an opening can be opened at the top of the guide box 501, thereby increasing the contact area between water and air, accelerating the air flow, and further improving the effect of natural cooling of water, while reducing the possibility of water splashing out through the opening at the top of the raising frame 17, so that the water can flow to one side, and the opening can be blocked by setting a protective mesh plate 18, wherein the surface of the protective mesh plate 18 is a mesh structure, which reduces the possibility of external dust and impurities entering the interior of the guide box 501 and affecting the water quality.
[0055] Example 3
[0056] like Figure 2 , Figure 4 and Figure 5 As shown, on the basis of Example 2, the utility model provides a technical solution: preferably, the three stirring plates 14 are all inclined, and an inclined plate 19 is fixedly installed inside the processing box 3 at the bottom of the rotating rod 13, and the top surface of the inclined plate 19 is set as an inclined surface, and the side of the inclined surface close to the rotating rod 13 is lower than the side away from the rotating rod 13, and a baffle plate 12 is fixedly installed inside the processing box 3 at the top of the rotating rod 13, and a plurality of through holes 16 are opened inside the baffle plate 12, and each through hole 16 is in the shape of an inverted cone.
[0057] In this embodiment, by tilting the stirring plate 14, it is helpful to break the thermal stratification of the water body, so that the heat is more evenly distributed in the entire water body, thereby further improving the cooling efficiency of the water; by installing the inclined plate 19, and by setting the surface of the inclined plate 19 as an inclined surface, it is convenient to guide the water in the treatment box 3 to one side, thereby facilitating the water to enter the interior of the guide box 501; by setting the baffle 12 and the through hole 16, it is convenient to separate the water and the fan 8. In the process of stirring the water by the stirring plate 14, the baffle 12 can intercept the water splashing to the top, reducing the possibility of water splashing to the surface of the fan 8, and providing waterproof protection for the fan 8; by setting the through hole 16 into an inverted cone shape, so that the wind of the fan 8 can pass through the through hole 16 and blow to the water surface, the use effect of the fan 8 is further enhanced.
[0058] The working principle of the gouging and cooling device with auxiliary cooling structure is described in detail below.
[0059] like Figure 1-Figure 6 As shown, the operator connects the connecting pipe 15 to an external water pump and other power equipment, and connects the equipment to the universal cooling pipe on the top of the workbench 1, and aligns the water outlet of the universal cooling pipe with the position where the bubble-cut workpiece needs to be cooled. In the process of cutting the workpiece with the gouging cutting gun on the top of the workbench 1, the water in the guide box 501 is pumped out by the water pump, and the water is sent to the cooling part of the gouging gun and the cutting equipment to cool the workpiece. After use, the water flows back to the inside of the processing box 3 along the water guide groove 6 and the guide frame 7, and the water is first filtered by the filter plate 11. Then, the filtered water continues to flow to the bottom. At this time, the motor 10 can be used to drive the rotating rod 13 to rotate, and at the same time drive the stirring plate 14 to rotate The water is stirred by the movement, and the fan 8 is used to bring the external air into the interior of the processing box 3 and blow it toward the water surface, thereby accelerating the cooling efficiency of the water, so that the water can be used again to cool the workpiece cut by the air planer in the future. After the water enters the interior of the guide box 501, the guide plate 502, the material guide plate 503 and the guide plate 504 are used to guide and limit the flow direction of the water in turn. At the same time, the external air can enter the interior of the guide box 501 through the protective mesh plate 18, thereby increasing the contact area between water and air, thereby extending the flow time of the water, allowing the water to cool naturally for a period of time, thereby improving the water cooling effect to a certain extent, and improving the subsequent cooling effect of the workpiece cut by the air planer.
[0060] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A gouging and cutting cooling device with an auxiliary cooling structure, comprising a workbench (1); characterized in that: A support frame (9) is fixedly mounted on the bottom of the workbench (1), a placement plate (2) is fixedly connected to the inner side of the support frame (9), a processing box (3) is fixedly mounted on the top of the placement plate (2), one end of the processing box (3) is fixedly connected to a controller (4), a guide frame (7) is fixedly mounted on the top of the processing box (3), the guide frame (7) is fixedly connected to the bottom surface of the workbench (1), a water guide groove (6) is provided on the top of the workbench (1), and the water guide groove (6) is connected to the inside of the guide frame (7); A filter plate (11) is fixedly installed inside the processing box (3); a rotating rod (13) is rotatably installed inside the processing box (3) on one side of the filter plate (11) via a bearing; a motor (10) is fixedly connected to one end of the processing box (3) on the side of the controller (4); an output shaft of the motor (10) extends into the interior of the processing box (3) and is fixedly connected to the rotating rod (13); three stirring plates (14) are fixedly installed on the rotating rod (13) at even intervals along the length direction; and a fan (8) is fixedly connected to the top of the processing box (3) on one side of the guide frame (7); A guide component (5) is provided on one side of the treatment box (3), and the guide component (5) is used to guide and limit the flow direction of water. A connecting pipe (15) is provided on the side of the guide component (5) away from the treatment box (3).
2. The gouging and cooling device with auxiliary cooling structure according to claim 1, characterized in that: The guide component (5) comprises a guide box (501); one side of the guide box (501) is fixedly connected to the connecting pipe (15), and the other side of the guide box (501) is fixedly connected to the processing box (3); one end of the connecting pipe (15) is in communication with the interior of the guide box (501); A guide plate (502) is fixedly mounted on the bottom of the guide box (501) on a side away from the connecting pipe (15), and both end surfaces of the guide plate (502) are fixedly connected to the inner wall of the guide box (501); A guide plate (504) is fixedly mounted on the bottom of the guide box (501) on one side close to the connecting pipe (15), and both end surfaces of the guide plate (504) are fixedly connected to the inner wall of the guide box (501); A material guide plate (503) is fixedly installed at the top of the guide box (501) between the guide plate (502) and the guide plate (504), and both end surfaces of the material guide plate (503) are fixedly connected to the inner wall of the guide box (501); A circular hole is provided on one side of the processing box (3) and the guide box (501) that are close to each other, and the two circular holes are connected to each other.
3. The gouging and cooling device with auxiliary cooling structure according to claim 2, characterized in that: A heightening frame (17) is fixedly mounted on the top of the guide box (501), and a protective mesh plate (18) is fixedly connected to the top of the heightening frame (17).
4. The gouging and cooling device with auxiliary cooling structure according to claim 3, characterized in that: The upper ends of the guide plate (502) and the guide plate (504) are arranged to be inclined toward a side close to the connecting tube (15); the lower end of the material guide plate (503) is arranged to be inclined toward a side close to the connecting tube (15); the guide plate (502), the material guide plate (503) and the guide plate (504) are all arranged to be flat plate structures.
5. The gouging and cooling device with auxiliary cooling structure according to claim 1, characterized in that: The three stirring plates (14) are all arranged at an inclination, and an inclined plate (19) is fixedly installed inside the processing box (3) at the bottom of the rotating rod (13), and the top surface of the inclined plate (19) is arranged as an inclined surface, and the side of the inclined surface close to the rotating rod (13) is lower than the side away from the rotating rod (13).
6. The gouging cutting cooling device with auxiliary cooling structure according to claim 5, characterized in that: A baffle (12) is fixedly installed inside the processing box (3) at the top of the rotating rod (13), and a plurality of through holes (16) are formed inside the baffle (12).
7. The gouging and cooling device with auxiliary cooling structure according to claim 6, characterized in that: Each of the through holes (16) is in the shape of an inverted cone.