Hardening forming equipment for grinding wheel

Abstract

The hardening forming equipment comprises a hardening box and a preheating box, the top of the hardening box is connected with a transmission shaft through a bearing, and the part, extending to the inner side of the hardening box, of the transmission shaft is provided with a plurality of hollowed-out discs; according to the utility model, the plurality of grinding wheel clamping frames are respectively arranged on the two surfaces of the plurality of hollow discs of the transmission shaft in a surrounding manner, and the bending parts of the snake-shaped structures of the grinding wheel clamping frames are deformed by pulling the ends, with the inclined bulges, of the grinding wheel clamping frames, so that the grinding wheels are inserted into the placement grooves in the inner sides of the grinding wheel clamping frames; after traction of the grinding wheel clamping frame is abandoned, the two inclined protrusions of the grinding wheel clamping frame are forced to make contact with the two faces of the grinding wheel respectively, the purpose of fixing the grinding wheel is achieved, the contact area between the fixing structure and the grinding wheel is reduced to the maximum extent, and the grinding wheel is heated more evenly; therefore, each area of the hollowed-out disc in the rotating state can be in contact with the air outlet of the hot air pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding wheel processing equipment, in particular to a hardening molding equipment for grinding wheels. Background Art

[0002] Grinding wheel, also known as bonded abrasive, is a bonded abrasive with a certain strength that is formed by bonding ordinary abrasive into a certain shape. It is composed of abrasive, bonding agent and pores. Grinding wheel is the most widely used abrasive. It rotates at high speed when used and can perform rough grinding, semi-finishing grinding and fine grinding, as well as grooving and cutting on the outer circle, inner circle, plane and various surfaces of metal or non-metal workpieces. During the production process, the grinding wheel needs to be cured in a hardening furnace.

[0003] In the prior art, publication number: CN214983383U discloses an energy-saving hardening furnace for resin grinding wheel processing, comprising a furnace body, a hot air system for heating the inside of the furnace body, and a grinding wheel placement device for placing the grinding wheel; a furnace door is hinged on the left side wall of the furnace body; the grinding wheel placement device comprises a motor arranged on the outside of the furnace body, and a vertical rotating shaft located inside the furnace body; the output shaft of the motor passes through the bottom plate of the furnace body and is connected to the rotating shaft through a coupling; a plurality of groups of mounting components located at different heights are arranged on the rotating shaft; each group of mounting components comprises at least two circumferentially distributed mounting grooves opened on the side wall of the rotating shaft, and an annular bearing plate for supporting the grinding wheel; the annular bearing plate is composed of fan rings with the same number of mounting grooves; the fan ring is clamped in the mounting groove by a clamping plate matched with the mounting groove arranged at its small end.

[0004] However, since the contact area between the annular bearing plate supporting the grinding wheel and the grinding wheel is large, it is very easy for the front and back surfaces of the grinding wheel to be hardened unevenly, thus affecting the final product quality of the grinding wheel.

[0005] To this end, a hardening molding device for a grinding wheel is proposed, which has the advantage of uniform hardening of the grinding wheel, thereby solving the problems in the above-mentioned background technology. Utility Model Content

[0006] The utility model aims to solve the shortcomings in the prior art and proposes a hardening molding device for a grinding wheel.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hardening molding device for a grinding wheel, comprising a hardening box and a preheating box, the top of the hardening box is connected to a transmission shaft through a bearing, and the part of the transmission shaft extending to the inner side of the hardening box is provided with a plurality of hollow disks, and a plurality of grinding wheel clamping frames are welded around the two sides of each of the hollow disks, and the plurality of grinding wheel clamping frames are composed of two U-shaped steel hoops and connecting rods welded therebetween, two bending parts are provided at the left end of the U-shaped steel hoop of the grinding wheel clamping frame, and an accommodating groove is provided between the two bending parts, and the grinding wheel Two inclined protrusions are provided at the right end of the U-shaped steel hoop of the clamping frame, and the two inclined protrusions are inclined toward the inside of the U-shaped steel hoop. A transmission motor is fixedly installed on the right side of the upper part of the hardening box, and a transmission belt is connected between the output end of the transmission motor and the transmission shaft through a pulley. A hot air duct is arranged on the left side of the hardening box, and several branch pipes of the hot air duct extend to the inside of the hardening box, and a first fan is installed on the surface of the hot air duct. A preheating box is welded on the right side of the hardening box, and an induced draft duct is connected between the preheating box and the hardening box, and a second fan is installed on the surface of the induced draft duct.

[0008] As a further description of the above technical solution: a number of mesh plates are welded equidistantly from top to bottom on the inner side of the preheating box, a number of air outlets are arranged on the part of the air duct extending to the inner side of the preheating box, and an air suction hood is arranged on the part of the air duct extending to the inner side of the hardening box.

[0009] As a further description of the above technical solution: the front end surfaces of the hardening box and the preheating box are both hinged with sealed doors through hinges, and handles are welded on the sealed doors.

[0010] As a further description of the above technical solution: the two bending parts of the grinding wheel clamping frame are both serpentine structures, and a placement groove is formed on the inner side of the U-shaped structure between the two bending parts of the grinding wheel clamping frame.

[0011] As a further description of the above technical solution: the hollow plate is formed by welding an annular frame and an annular metal wire mesh inside the frame to each other.

[0012] As a further description of the above technical solution: a plurality of branch pipes are equidistantly arranged on the hot air pipe, and a trumpet-shaped air outlet is arranged on the portion of each branch pipe extending to the inner side of the hardening box.

[0013] The utility model has the following beneficial effects:

[0014] In the utility model, a plurality of grinding wheel clamping frames are respectively arranged around the two sides of a plurality of hollow disks of the transmission shaft, and the bending part of the serpentine structure of the grinding wheel clamping frame is deformed by pulling the end of the grinding wheel clamping frame with the inclined protrusion, so as to make way for the installation of the grinding wheel, so that the grinding wheel is inserted into the placement groove on the inner side of the grinding wheel clamping frame, and after giving up pulling the grinding wheel clamping frame, the two inclined protrusions are forced to contact the two sides of the grinding wheel respectively, so as to achieve the purpose of fixing the grinding wheel, and to reduce the contact area between the fixed structure and the grinding wheel to the greatest extent, so that the grinding wheel is heated more evenly, and the transmission motor drives the transmission shaft to rotate under the action of the pulley and the transmission belt, so that each area of ​​the rotating hollow disk can contact the air outlet of the hot air pipe, thereby improving the uniformity of the hardening of the grinding wheel;

[0015] In the utility model, a preheating box, an air induced draft duct, a second fan, an air suction hood, a grid plate, and an air outlet nozzle are used to form a grinding wheel preheating device. The grinding wheels to be hardened are evenly arranged on a plurality of grid plates in the preheating box, and then the second fan on the surface of the air induced draft duct is turned on, so that the air suction hood guides the moist and hot air in the hardening box into the preheating box through the plurality of air outlet nozzles on the surface of the air induced draft duct, so that the moist and hot air preheats the grinding wheel on the grid plate from bottom to top. Compared with the existing grinding wheel hardening equipment, on the one hand, the moist and hot air in the hardening box can be extracted to ensure the dryness inside the hardening box, and on the other hand, the moist and hot air is used to preheat the grinding wheel to be hardened, thereby increasing the grinding wheel hardening efficiency and thermal energy utilization rate, and having a good energy-saving effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the external structure of a hardening molding device for a grinding wheel of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of a hardening and molding device for a grinding wheel according to the utility model;

[0018] Figure 3 This is a top view of a hollow disk of a hardening molding device for a grinding wheel according to the utility model.

[0019] Legend:

[0020] 1. Hardening box; 2. Preheating box; 3. First fan; 4. Hot air duct; 5. Transmission shaft; 6. Transmission belt; 7. Transmission motor; 8. Air duct; 9. Second fan; 10. Hollow disk; 11. Grinding wheel clamp frame; 12. Air suction hood; 13. Grid plate; 14. Air outlet nozzle; 15. Bending part; 16. Mounting groove; 17. Inclined protrusion; 18. Connecting rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] According to an embodiment of the utility model, a hardening molding device for a grinding wheel is provided.

[0023] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-3As shown, a hardening molding device for a grinding wheel according to an embodiment of the utility model comprises a hardening box 1 and a preheating box 2, the top of the hardening box 1 is connected to a transmission shaft 5 through a bearing, and the portion of the transmission shaft 5 extending to the inner side of the hardening box 1 is provided with a plurality of hollow disks 10, and a plurality of grinding wheel clamping frames 11 are welded around both sides of each hollow disk 10, and the plurality of grinding wheel clamping frames 11 are composed of two U-shaped steel hoops and a connecting rod 18 welded therebetween, two bending portions 15 are provided at the left end of the U-shaped steel hoop of the grinding wheel clamping frame 11, and a placement groove 16 is provided between the two bending portions 15, and two inclined protrusions 17 are provided at the right end of the U-shaped steel hoop of the grinding wheel clamping frame 11, and the two inclined protrusions 17 They are all inclined to the inside of the U-shaped steel hoop. A transmission motor 7 is fixedly installed on the upper right side of the hardening box 1, and a transmission belt 6 is wound and connected between the output end of the transmission motor 7 and the transmission shaft 5 through a pulley. A hot air pipe 4 is arranged on the left side of the hardening box 1, and several branch pipes of the hot air pipe 4 extend to the inside of the hardening box 1, and a first fan 3 is installed on the surface of the hot air pipe 4. A preheating box 2 is welded on the right side of the hardening box 1, and an induced draft pipe 8 is connected between the preheating box 2 and the hardening box 1, and a second fan 9 is installed on the surface of the induced draft pipe 8. By pulling the end of the grinding wheel clamp frame 11 with an inclined protrusion 17, the bending portion 15 of the serpentine structure of the grinding wheel clamp frame 11 is deformed to make way for the installation of the grinding wheel. The grinding wheel is inserted into the placement groove 16 on the inner side of the grinding wheel clamp frame 11, and after giving up the traction of the grinding wheel clamp frame 11, its two inclined protrusions 17 are forced to contact the two sides of the grinding wheel respectively, so as to achieve the purpose of fixing the grinding wheel. After the grinding wheel is properly fixed, the sealing door of the hardening box 1 is closed, and the first fan 3 is started to introduce hot air into the hardening box 1 from the air outlet of the hot air pipe 4, and then the transmission motor 7 is started. The output end of the transmission motor 7 drives the transmission shaft 5 to rotate under the action of the pulley and the transmission belt 6, so that the transmission shaft 5 drives the several hollow disks 10 arranged on its surface from top to bottom to rotate, until the grinding wheels of the several hollow disks 10 can face the air outlet of the hot air pipe 4, so as to ensure the uniformity of the hardening of each grinding wheel. In this patent, we only use the first fan 3, the transmission motor 7 and the second fan 9, and do not improve their structure and function. For the technicians in this field, their setting method, installation method and electrical connection method can be debugged and operated according to the requirements of their instruction manual, and they will not be repeated here. The first fan 3, the transmission motor 7 and the second fan 9 are all provided with control switches matched therewith. The installation position of the control switch is selected according to the actual use requirements, which is convenient for the operator to operate and control. The several grinding wheel clamping frames 11 distributed on both sides of the hollow disk 10 are conducive to increasing the space utilization rate, so as to facilitate the placement of batch grinding wheels;

[0024] In one embodiment, a plurality of mesh plates 13 are welded equidistantly from top to bottom on the inner side of the preheating box 2, a plurality of air outlets 14 are provided on the portion of the air duct 8 extending to the inner side of the preheating box 2, and an air suction hood 12 is provided on the portion of the air duct 8 extending to the inner side of the hardening box 1. By evenly arranging the grinding wheels to be hardened on the plurality of mesh plates 13 in the preheating box 2, and then turning on the second fan 9 on the surface of the air duct 8, the air suction hood 12 is prompted to introduce the humid hot air in the hardening box 1 into the preheating box 2 through the plurality of air outlets 14 on the surface of the air duct 8, so that the humid hot air preheats the grinding wheels on the mesh plates 13 from bottom to top. Compared with the existing grinding wheel hardening equipment, on the one hand, the humid hot air of the hardening box 1 can be extracted to ensure the dryness inside it, and on the other hand, the grinding wheels to be hardened are preheated with humid hot air, thereby increasing the grinding wheel hardening efficiency and thermal energy utilization rate.

[0025] In one embodiment, the front end surfaces of the hardening box 1 and the preheating box 2 are both hinged with sealed doors, and handles are welded on the sealed doors. The provision of the sealed doors is beneficial for loading and unloading materials and reduces heat loss.

[0026] In one embodiment, the two bending portions 15 of the grinding wheel clamp frame 11 are both serpentine structures, and a placement groove 16 is formed on the inner side of the U-shaped structure between the two bending portions 15 of the grinding wheel clamp frame 11. The setting of the bending portion 15 provides a basis for the bending deformation of the grinding wheel clamp frame 11, and the placement groove 16 is used for the placement of the grinding wheel.

[0027] In one embodiment, the hollow disk 10 is formed by welding an annular frame and an annular metal wire mesh inside thereof, and the hollow disk 10 is provided to facilitate the passage of hot air, thereby increasing the heating uniformity of the grinding wheel.

[0028] In one embodiment, a plurality of branch pipes are equidistantly arranged on the hot air pipe 4, and a trumpet-shaped air outlet is provided on the portion of each branch pipe extending to the inner side of the hardening box 1, wherein the plurality of branch pipes of the hot air pipe 4 are used for hot air diversion, and one end of the hot air pipe 4 is connected to an external hot air device.

[0029] Working principle:

[0030] When in use, by pulling the end of the grinding wheel clamp frame 11 with the inclined protrusion 17, the bending part 15 of the serpentine structure of the grinding wheel clamp frame 11 is deformed to make way for the installation of the grinding wheel, so that the grinding wheel is inserted into the placement groove 16 on the inner side of the grinding wheel clamp frame 11, and after giving up pulling the grinding wheel clamp frame 11, its two inclined protrusions 17 are forced to contact the two sides of the grinding wheel respectively, so as to achieve the purpose of fixing the grinding wheel. After the grinding wheel is properly fixed, the sealing door of the hardening box 1 is closed, and the first fan 3 is started to introduce hot air into the hardening box 1 from the air outlet of the hot air pipe 4, and then the transmission motor 7 is started. The output end of the transmission motor 7 drives the transmission shaft 5 to rotate under the action of the pulley and the transmission belt 6, so that the transmission shaft 5 drives a plurality of hollow disks arranged on its surface from top to bottom. 10 rotates until the grinding wheels of the several hollow disks 10 can face the air outlet of the hot air duct 4, so as to ensure the uniformity of the hardening of each grinding wheel. At the same time, by evenly arranging the grinding wheels to be hardened on the several grid plates 13 in the preheating box 2, and then turning on the second fan 9 on the surface of the induced draft duct 8, the suction hood 12 is prompted to introduce the humid hot air in the hardening box 1 into the preheating box 2 through the several air outlets 14 on the surface of the induced draft duct 8, so that the humid hot air preheats the grinding wheels on the grid plates 13 from bottom to top. Compared with the existing grinding wheel hardening equipment, on the one hand, the humid hot air of the hardening box 1 can be extracted to ensure the dryness inside it, and on the other hand, the humid hot air is used to preheat the grinding wheels to be hardened, thereby increasing the grinding wheel hardening efficiency and thermal energy utilization rate.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hardening and molding device for a grinding wheel, comprising a hardening box (1) and a preheating box (2), characterized in that: The top of the hardening box (1) is connected to a transmission shaft (5) via a bearing, and a portion of the transmission shaft (5) extending to the inner side of the hardening box (1) is provided with a plurality of hollow disks (10), and a plurality of grinding wheel clamping frames (11) are welded around the two sides of each of the hollow disks (10), and the plurality of grinding wheel clamping frames (11) are composed of two U-shaped steel hoops and a connecting rod (18) welded therebetween, and two bending portions (15) are provided at the left end of the U-shaped steel hoop of the grinding wheel clamping frame (11), and a placement groove (16) is provided between the two bending portions (15), and two inclined protrusions (17) are provided at the right end of the U-shaped steel hoop of the grinding wheel clamping frame (11), and the two inclined protrusions (17) are provided at the right end of the U-shaped steel hoop of the grinding wheel clamping frame (11). The protrusions (17) are all inclined toward the inside of the U-shaped steel hoop. A transmission motor (7) is fixedly installed on the right side of the upper part of the hardening box (1), and a transmission belt (6) is wound and connected between the output end of the transmission motor (7) and the transmission shaft (5) through a pulley. A hot air pipe (4) is arranged on the left side of the hardening box (1), and several branch pipes of the hot air pipe (4) extend to the inside of the hardening box (1), and a first fan (3) is installed on the surface of the hot air pipe (4). A preheating box (2) is welded on the right side of the hardening box (1), and an air duct (8) is connected between the preheating box (2) and the hardening box (1), and a second fan (9) is installed on the surface of the air duct (8).

2. The hardening molding device for a grinding wheel according to claim 1, characterized in that: A plurality of mesh plates (13) are welded at equal intervals from top to bottom on the inner side of the preheating box (2); a plurality of air outlets (14) are arranged on the portion of the air duct (8) extending to the inner side of the preheating box (2); and a suction hood (12) is arranged on the portion of the air duct (8) extending to the inner side of the hardening box (1).

3. The hardening molding device for a grinding wheel according to claim 1, characterized in that: The front end surfaces of the hardening box (1) and the preheating box (2) are both hingedly provided with sealed doors, and handles are welded on the sealed doors.

4. The hardening molding device for a grinding wheel according to claim 1, characterized in that: The two bent portions (15) of the grinding wheel clamp frame (11) are both in a serpentine structure, and a placement groove (16) is formed inside the U-shaped structure between the two bent portions (15) of the grinding wheel clamp frame (11).

5. The hardening molding device for a grinding wheel according to claim 1, characterized in that: The hollow plate (10) is formed by welding an annular frame and an annular metal wire mesh inside the frame.

6. The hardening molding device for a grinding wheel according to claim 1, characterized in that: A plurality of branch pipes are arranged at equal intervals on the hot air pipe (4), and a trumpet-shaped air outlet is arranged on the portion of each branch pipe extending to the inner side of the hardening box (1).

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