High-power electric grinding equipment capable of rapidly dissipating heat

Abstract

The invention discloses high-power electric grinding equipment capable of rapidly dissipating heat, which is applied to the technical field of grinding equipment, and comprises a grinding disc, a lifting driving shaft, a cooling fan wheel, a cold air cover, an air duct, a window, a telescopic groove and a fixed plug, the cooling fan wheel is synchronously driven by the lifting driving shaft to rotate, and air flow is driven to form cold air to carry out air cooling heat dissipation on the grinding disc; when the grinding disc ascends to replace a workpiece conveyed on the feeding track module, cold air is guided by a cold air cover and an air duct, and meanwhile, a fixing plug descends to open a window, so that the cold air is blown to a bottom grinding and polishing part of the grinding disc from the window, and the bottom of the grinding disc is quickly cooled; and the grinding stop switching time of the grinding disc is fully utilized, air cooling heat dissipation of the top and the bottom of the grinding disc is conducted according to the working state of the grinding disc, and the air cooling heat dissipation effect of the grinding disc is further effectively improved.

Description

Technical Field

[0001] This invention relates to the field of polishing equipment technology, and in particular to a high-power electric polishing device with rapid heat dissipation. Background Technology

[0002] When grinding the surface of products such as metal, plastic, and glass, grinding machines are commonly used. The key component of the grinding machine is the grinding disc, which is driven by a power device to rotate at high speed to grind the product surface. The high-speed friction between the grinding disc and the product surface generates heat, so heat dissipation is required. For example, Chinese patent CN218592616U discloses a surface grinding machine for mechanically processed welded pipes.

[0003] Existing grinding equipment generally uses air cooling for heat dissipation. For example, a dual-head electric grinding machine disclosed in Chinese patent CN220029747U has insufficient heat dissipation because the main heat-generating area of ​​the grinding disc is in the grinding and polishing part. Traditional air cooling methods cannot directly affect this area. Summary of the Invention

[0004] The core of this invention lies in solving the problem of insufficient heat dissipation of grinding discs in existing grinding equipment by separately performing air cooling on the top and bottom of the grinding disc according to the working state of the grinding disc.

[0005] To solve the above problems, the present invention adopts the following technical solution.

[0006] A high-power electric grinding device with rapid heat dissipation includes a machine body, an electric motor fixedly connected to the middle of the machine body, a lifting drive shaft plugged into the output end of the electric motor, a grinding disc fixedly connected to the bottom end of the lifting drive shaft, a feeding track module fixedly connected to the bottom of the machine body, lifting cylinders fixedly connected to both ends of the electric motor, a lifting bracket fixedly connected between the output ends of the two lifting cylinders, and the middle part of the lifting bracket rotatably connected to the lifting drive shaft. A cooling fan wheel is fixedly connected to the outside of the lifting drive shaft. A cooling shroud is fitted over the outside of the cooling fan wheel. The cooling shroud is fixedly connected to the lifting bracket, and the lower opening of the cooling shroud coincides with the grinding disc. Air ducts are fixedly connected to both the left and right ends of the cooling shroud, and a window is opened on the end of the air duct facing the grinding disc. The feeding track module has telescopic grooves at both ends. The telescopic grooves are fixedly connected to the inside of the telescopic grooves. The air duct is inserted into the telescopic grooves, and the fixed plug is inserted into the air duct. The range of motion of the fixed plug is between the top of the air duct and the bottom of the window.

[0007] Furthermore, the top surface of the retaining plug is beveled, and the lower end of the bevel is close to the window. The retaining plug is made of wear-resistant rubber material.

[0008] Furthermore, a wind deflector is hinged at the bottom of the window, and the wind deflector is tilted towards the bottom of the grinding disc. The wind deflector is made of plastic.

[0009] Furthermore, an elastic sheet is fixedly connected between the hinged end of the air guide plate and the surface of the air duct. The elastic sheet is made of elastic rubber material.

[0010] Preferably, a cover film ring is fixedly connected to the top of the lower opening of the cold air cover, and the inner edge of the cover film ring overlaps with the top edge of the grinding disc.

[0011] Furthermore, support feet are evenly and fixedly connected to the inner ring of the lower opening of the air hood, and the support feet are in contact with the bottom of the cover film ring.

[0012] Furthermore, a recessed groove is provided at the top of the connection end between the support foot and the cooling shroud, and an ejector ring is placed inside the recessed groove. The ejector ring contacts the bottom of the cover film ring, which is made of rubber material.

[0013] Furthermore, landing gear is fixedly connected to both ends of the bottom of the ejection ring, and the bottom end of the landing gear contacts the upper edge of the telescopic groove.

[0014] Compared with the prior art, the advantages of this invention are: (1) This solution uses the lifting drive shaft to synchronously drive the cooling fan wheel to rotate, which drives the airflow to form cold air to cool the grinding disc, effectively improving the cooling effect of the grinding disc. When the grinding disc rises to replace the workpieces transmitted on the feeding track module, the cold air is guided by the cold air cover and air duct, and the fixed plug lowers the open window, so that the cold air blows from the window to the bottom grinding and polishing part of the grinding disc, quickly cooling the bottom of the grinding disc. It makes full use of the grinding disc's grinding pause and switching time, and performs air cooling on the top and bottom of the grinding disc according to the working state of the grinding disc, further effectively improving the cooling effect of the grinding disc.

[0015] (2) When the grinding disc descends for grinding and polishing, the cold air cover descends with the grinding disc, and the landing gear lands on the upper edge of the telescopic groove, causing the ejector ring to push up the cover film ring, causing the inner ring of the cover film ring to flip and rise, lifting the inner ring of the cover film ring to expose the gap between the grinding disc and the cold air cover, so that the cold air can blow out from the gap, effectively improving the cold air circulation efficiency and effectively improving the air cooling effect of the cold air on the top and edge of the grinding disc. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a top-view perspective structural diagram of the cooling shroud of the present invention; Figure 3 This is a three-dimensional structural diagram of the grinding disc and cooling fan wheel of the present invention; Figure 4This is a demonstration diagram of the grinding disc in the rising state of the present invention; Figure 5 This is a demonstration diagram of the grinding disc in the lowered state of the present invention; Figure 6 This is a bottom-view perspective structural diagram of the cooling shroud of the present invention; Figure 7 This is a demonstration diagram of the bottom of the cold air oscillating cooling millstone of the present invention; Figure 8 A bottom-view perspective view of the cooling shroud after the cover film ring of the present invention has been installed; Figure 9 This is an enlarged view of the gap between the grinding disc and the cooling shroud covered by the masking film ring of the present invention. Figure 10 This is an enlarged view of the inner ring of the covering film ring of the present invention in the lifted state; Figure 11 This is a three-dimensional structural diagram of the ejector ring and landing gear of the present invention.

[0017] Explanation of the labels in the diagram: 1 Equipment body, 101 Motor, 102 Lifting drive shaft, 103 Grinding disc, 104 Feeding track module, 105 Lifting cylinder, 106 Lifting bracket, 2 Cooling fan wheel, 201 Cooling hood, 202 Air duct, 203 Window, 204 Telescopic groove, 205 Fixing plug, 206 Air guide plate, 207 Elastic sheet, 3 Covering membrane ring, 301 Support foot, 302 Recessed groove, 303 Top ring, 304 Lifting frame. Detailed Implementation

[0018] The technical solutions will now be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention.

[0019] First implementation method: Please see Figure 1 A high-power electric grinding device with rapid heat dissipation includes a device body 1. A motor 101 is fixedly connected to the middle of the device body 1. A lifting drive shaft 102 is plugged into the output end of the motor 101. The lifting drive shaft 102 and the motor 101 are telescopically connected through the plugging method, and the motor 101 can drive the lifting drive shaft 102 to rotate. A grinding disc 103 is fixedly connected to the bottom end of the lifting drive shaft 102. A feeding track module 104 is fixedly connected to the bottom of the device body 1. The rotating grinding disc 103 descends to grind the surface of the workpiece on the feeding track module 104. Lifting cylinders 105 are fixedly connected to both ends of the motor 101. A lifting bracket 106 is fixedly connected between the output ends of the two lifting cylinders 105. The middle part of the lifting bracket 106 is rotatably connected to the lifting drive shaft 102. The lifting cylinders 105 drive the lifting bracket 106 to adjust the lifting of the lifting drive shaft 102, so as to realize the grinding contact and separation between the grinding disc 103 and the workpiece. During workpiece grinding, the workpiece to be ground is placed on the feeding track module 104 and transported to the bottom of the grinding disc 103. The motor 101 drives the lifting drive shaft 102 to rotate, causing the grinding disc 103 to rotate at high speed. Then, the lifting cylinder 105 drives the lifting bracket 106 to lower the lifting drive shaft 102. The grinding disc 103 contacts the workpiece and performs grinding and polishing. Subsequently, the grinding disc 103 rises again, and the grinding disc 103 separates from the workpiece, ending the workpiece grinding operation.

[0020] Please see Figures 2 to 5 A cooling fan wheel 2 is fixedly connected to the outside of the lifting drive shaft 102. While the lifting drive shaft 102 drives the rotation of the grinding disc 103, it simultaneously drives the cooling fan wheel 2. The cooling fan wheel 2 drives airflow to achieve air cooling of the grinding disc 103. A cooling shroud 201 is fitted over the cooling fan wheel 2. The cooling shroud 201 is fixedly connected to the lifting bracket 106, and its lower opening coincides with the grinding disc 103. The cooling shroud 201 protects the cooling fan wheel 2 and guides the cold air towards the grinding disc 103, achieving air cooling of the grinding disc 103. Air ducts 202 are fixedly connected to both ends of the cooling shroud 201. A window 203 is opened at the end of the air duct facing the grinding disc 103, utilizing the airflow... The channel 202 guides the cold air over the edge of the grinding disc 103 and blows it from the window 203 to the bottom of the grinding disc 103, so that the cold air directly acts on the grinding and processing part of the grinding disc 103, effectively improving the air cooling and heat dissipation effect of the grinding disc 103. The left and right ends of the feeding track module 104 are provided with telescopic grooves 204, and the inside of the telescopic grooves 204 is fixedly connected with a fixing plug 205. The air channel 202 is inserted into the telescopic groove 204, and the fixing plug 205 is inserted into the air channel 202. The range of motion of the fixing plug 205 is between the top of the air channel 202 and the bottom of the window 203. When the cold air cover 201 moves up and down with the grinding disc 103, the fixing plug 205 moves in and out of the air channel 202 to realize the opening and closing adjustment of the window 203. When the grinding disc 103 is in the rising state, the air duct 202 is pulled up away from the telescopic groove 204, and the fixed plug 205 in the telescopic groove 204 descends to the bottom of the window 203, so that cold air is blown out from the window 203. The blown cold air directly acts on the bottom of the grinding disc 103 to cool the grinding part of the grinding disc 103. This makes full use of the time when the grinding disc 103 stops grinding and switches, effectively improving the cooling efficiency of the grinding disc 103. When the grinding disc 103 is in the descending state, the descending grinding disc 103 grinds and polishes the workpiece. The air duct 202 descends and inserts into the telescopic groove 204. The fixing plug 205 in the telescopic groove 204 rises to the top of the window 203, so that the air duct 202 is closed. The cold air in the cold air cover 201 is concentrated on the back of the grinding disc 103, which can cool the grinding disc 103 in the grinding and polishing state.

[0021] Please see Figure 6 and Figure 7 The top surface of the fixing plug 205 is sloped, and the lower end of the slope of the fixing plug 205 is close to the window 203. After the cold air descending along the air duct 202 comes into contact with the top slope of the fixing plug 205, the direction of the cold air is changed, making it easier for the cold air to blow towards the bottom of the grinding disc 103. The fixing plug 205 is made of wear-resistant rubber material, which has strong wear resistance. A guide plate 206 is hinged to the bottom of the window 203. The guide plate 206 is inclined towards the bottom of the grinding disc 103. The cold air blown out of the window 203 The air is then guided upwards by the air guide plate 206, which facilitates the cold air to blow towards the bottom of the grinding disc 103. The air guide plate 206 is made of plastic sheet, which is lightweight and easy to move by the cold air. An elastic piece 207 is fixedly connected between the hinge end of the air guide plate 206 and the surface of the air duct 202. The elastic piece 207 is made of elastic rubber material. When the cold air blows on the air guide plate 206, it causes the air guide plate 206 to flip, adjusting the direction of the cold air in real time, which facilitates uniform air cooling at the bottom of the grinding disc 103. When the grinding disc 103 is in the rising state, cold air is blown out from the window 203, and the cold air is oriented by the air guide plate 206. The blown cold air directly acts on the bottom of the grinding disc 103. During this process, the grinding disc 103 is in a high position and repeatedly rises and falls. The fixing plug 205 repeatedly rises and falls in the air duct 202, changing the air outlet height of the window 203. The cold air at different outlet heights is then guided obliquely upward by the air guide plate 206, so that the cold air swings back and forth to cool the bottom of the grinding disc 103, effectively improving the uniformity of heat dissipation at the bottom of the grinding disc 103.

[0022] Second implementation method: Compared to the first embodiment, the main addition is a covering film ring 3, the specific addition structure is as follows, and the rest of the structure is the same as the first embodiment.

[0023] Please see Figures 8 to 11A covering membrane ring 3 is fixedly connected to the top of the lower opening of the cold air cover 201. The inner edge of the covering membrane ring 3 overlaps with the top edge of the grinding disc 103. The covering membrane ring 3 blocks the gap between the grinding disc 103 and the cold air cover 201, effectively reducing the leakage of cold air from the gap, thereby allowing more cold air to enter the air duct 202, indirectly enhancing the cooling effect of the cold air on the bottom of the grinding disc 103. Support feet 301 are evenly fixedly connected to the inner ring of the lower opening of the cold air cover 201. The support feet 301 contact the bottom of the covering membrane ring 3, providing support for the covering membrane ring 3 and effectively improving the wind resistance of the covering membrane ring 3. The support feet 301 and the cold air cover 201 are connected to the top of the lower opening of the cold air cover 201. A recessed groove 302 is provided at the top of the connecting end of 1. An ejector ring 303 is placed inside the recessed groove 302. The ejector ring 303 contacts the bottom of the cover diaphragm ring 3. The cover diaphragm ring 3 is made of rubber material. Both ends of the bottom of the ejector ring 303 are fixedly connected to the landing gear 304. The bottom end of the landing gear 304 contacts the upper edge of the telescopic groove 204. When the ejector ring 303 rises, it lifts the cover diaphragm ring 3, increasing the gap between the grinding disc 103 and the cold air cover 201, so that cold air can blow out from the gap (at this time, the air duct 202 has been sealed by the fixed plug 205). By enhancing the cold air circulation efficiency, the air cooling effect of the top and edge of the grinding disc 103 is effectively improved. Compared to the first embodiment, when the grinding disc 103 descends for grinding and polishing, the cold air cover 201 descends along with the grinding disc 103, and the landing gear 304 lands on the upper edge of the telescopic groove 204, causing the ejector ring 303 to push the cover film ring 3 upward, causing the inner ring of the cover film ring 3 to flip and rise, lifting the inner ring of the cover film ring 3 to expose the gap between the grinding disc 103 and the cold air cover 201, so that cold air can blow out from the gap, effectively improving the cold air circulation efficiency and effectively improving the air cooling effect of the cold air on the top and edge of the grinding disc 103.

[0024] The above description is merely a preferred embodiment of the present invention; it encompasses all the protection scope of the present invention. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in the present invention, based on the technical solutions and improved concepts of the present invention, should be covered within the protection scope of the present invention.

Claims

1. A high-power electric grinding device with rapid heat dissipation, comprising a device body (1), wherein an electric motor (101) is fixedly connected to the middle of the device body (1), a lifting drive shaft (102) is inserted into the output end of the electric motor (101), and a grinding disc (103) is fixedly connected to the bottom end of the lifting drive shaft (102), characterized in that: The bottom of the equipment body (1) is fixedly connected to a feeding track module (104), and both ends of the motor (101) are fixedly connected to lifting cylinders (105). A lifting bracket (106) is fixedly connected between the output ends of the two lifting cylinders (105), and the middle part of the lifting bracket (106) is rotatably connected to the lifting drive shaft (102). A cooling fan wheel (2) is fixedly connected to the outside of the lifting drive shaft (102). A cooling fan cover (201) is fitted on the outside of the cooling fan wheel (2). The cooling fan cover (201) is fixedly connected to the lifting bracket (106), and the lower opening of the cooling fan cover (201) coincides with the grinding disc (103). Air ducts (202) are fixedly connected to both the left and right ends of the cooling fan cover (201). A window (203) is opened at the end of the air duct (202) facing the grinding disc (103). The feeding track module (104) has telescopic grooves (204) at both ends. A fixing plug (205) is fixedly connected inside the telescopic groove (204). The air duct (202) is inserted into the telescopic groove (204). The fixing plug (205) is inserted into the air duct (202), and the range of motion of the fixing plug (205) is between the top of the air duct (202) and the bottom of the window (203).

2. The high-power electric grinding device with rapid heat dissipation according to claim 1, characterized in that: The top surface of the fixing plug (205) is inclined, and the lower end of the inclined surface of the fixing plug (205) is close to the window (203). The fixing plug (205) is made of wear-resistant rubber material.

3. The high-power electric grinding device with rapid heat dissipation according to claim 1, characterized in that: The bottom of the window (203) is hinged with a wind guide plate (206), which is inclined toward the bottom of the grinding disc (103) and is made of plastic.

4. The high-power electric grinding device with rapid heat dissipation according to claim 3, characterized in that: An elastic sheet (207) is fixedly connected between the hinge end of the air guide plate (206) and the surface of the air duct (202), and the elastic sheet (207) is made of elastic rubber material.

5. The high-power electric grinding device with rapid heat dissipation according to claim 1, characterized in that: A cover film ring (3) is fixedly connected to the top of the lower opening of the cold air cover (201), and the inner edge of the cover film ring (3) overlaps the top edge of the grinding disc (103).

6. The high-power electric grinding device with rapid heat dissipation according to claim 5, characterized in that: The lower inner ring of the cold air cover (201) is uniformly fixed with support feet (301), and the support feet (301) are in contact with the bottom of the cover film ring (3).

7. The high-power electric grinding device with rapid heat dissipation according to claim 6, characterized in that: The top of the connection end between the support foot (301) and the cold air cover (201) is provided with a recessed groove (302), and an ejector ring (303) is placed inside the recessed groove (302). The ejector ring (303) contacts the bottom of the cover film ring (3), and the cover film ring (3) is made of rubber material.

8. The high-power electric grinding device with rapid heat dissipation according to claim 7, characterized in that: The bottom ends of the ejector ring (303) are fixedly connected to landing gear (304), and the bottom end of the landing gear (304) contacts the upper edge of the telescopic groove (204).

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