CN115056097A

CN115056097A - Improved composite grinding wheel and manufacturing and processing equipment

Info

Publication number: CN115056097A
Application number: CN202210758628.2A
Authority: CN
Inventors: 古治勇; 古玲玉; 刘晓琴; 叶源胜; 张万雄
Original assignee: Sichuan Xinzhongrui Precision Tools Co ltd; Jiangmen Zhongrui Diamond Tools Co ltd
Current assignee: Sichuan Xinzhongrui Precision Tools Co ltd; Jiangmen Zhongrui Diamond Tools Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-09-16
Anticipated expiration: 2042-06-30
Also published as: CN115056097B

Abstract

The invention relates to the technical field of grinding wheel processing, in particular to an improved composite grinding wheel and manufacturing and processing equipment, which comprises a supporting seat, wherein a processing assembly is arranged on the upper surface of the supporting seat, an adjusting assembly is arranged on the upper surface of the processing assembly, a processing assembly is arranged on the right side of the adjusting assembly, a supporting seat is arranged on the processing assembly, the grinding assembly comprises a mounting bottom plate, the right side of the adjusting assembly is fixedly connected with the mounting bottom plate, a grinding belt is arranged on the front surface of the mounting bottom plate, two supporting rollers are arranged on the front side and the rear side of the inner side of the grinding belt, reverse acting force can be applied to the grinding belt through the arrangement of the supporting rollers and a limiting rod in the grinding process that the grinding belt is larger than a grinding wheel blank body, so that the grinding belt can be attached to the circumferential surface of the grinding wheel blank body, the grinding effect of the grinding belt is better, and meanwhile, the attachment area of the grinding belt and the circumferential surface of the grinding wheel is larger, the grinding efficiency of the grinding wheel blank is improved.

Description

Improved composite grinding wheel and manufacturing and processing equipment

Technical Field

The invention relates to the technical field of grinding wheel machining, in particular to an improved composite grinding wheel and manufacturing and machining equipment.

Background

The grinding wheel is also called a consolidation grinding tool, the grinding wheel is a consolidation grinding tool which is formed by consolidating common grinding materials into a certain shape (mostly circular, the center is provided with a through hole) by a binding agent and has certain strength, and the grinding wheel is the one with the largest use amount and the widest use range in the grinding tool.

In the production process of the grinding wheel, the outer circle and the aperture of the grinding wheel blank after production and forming need to be finely processed through processing equipment, so that the integral gear of the grinding wheel blank is more accurate, and some redundant parts are removed.

However, the existing grinding wheel machining equipment has the following disadvantages:

1. when the existing processing equipment is used, when the outer circle of a grinding wheel blank is processed through a grinding belt, the outer circle of the grinding wheel blank is arc-shaped, so that the contact area between the grinding belt and the grinding wheel blank is limited in the grinding process, the grinding efficiency is low in the grinding process, meanwhile, the grinding belt has certain toughness, and the grinding belt is sunken in the grinding process, so that the contact force of the grinding belt and the grinding wheel blank is insufficient, and the grinding effect is poor;

2. the area of polishing is carrying out the work of polishing for a long time, and the surface of the area of polishing can adhere some sweeps of polishing, and the sweeps adheres to and can cause the frictional force in the area of polishing to diminish on the area of polishing, and the effect of polishing in the area of polishing can worsen, influences the efficiency of polishing to the emery wheel stock.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides an improved composite grinding wheel and a manufacturing and processing device thereof, which is achieved by the following specific technical means:

the utility model provides an improved generation compound emery wheel and manufacturing equipment, includes the skeleton, the outer periphery fixedly connected with abrasive material of skeleton, the inner circumference fixedly connected with collar of skeleton, wherein:

the improved composite grinding wheel relates to an improved composite grinding wheel and manufacturing and processing equipment in a specific manufacturing process, and the improved composite grinding wheel comprises a supporting seat, wherein a processing assembly is arranged on the upper surface of the supporting seat, an adjusting assembly is arranged on the upper surface of the processing assembly, a processing assembly is arranged on the right side of the adjusting assembly, and the supporting seat is arranged on the processing assembly;

the grinding assembly comprises a mounting base plate, the right side of the adjusting assembly is fixedly connected with the mounting base plate, a grinding belt is arranged on the front surface of the mounting base plate, two supporting rollers are arranged on the front side and the rear side of the inner side of the grinding belt, limiting rods are fixedly connected to the upper surfaces of the supporting rollers, and the limiting rods are connected with the upper surface of the mounting base plate in a sliding mode through springs.

Further, the processing subassembly includes the fixed disk, the last fixed surface of supporting seat is connected with the fixed disk, the periphery of fixed disk rotates and is connected with the rolling disc, a plurality of mounting grooves have evenly been seted up to the upper surface of fixed disk, the spacing hole of multiunit has evenly been seted up to the inside of mounting groove, the inside joint of mounting groove has a plurality of support piece.

Further, the adjusting part includes the pinion rack, the last fixed surface of rolling disc is connected with the pinion rack, be provided with the sliding sleeve on the pinion rack, the flexible spliced pole of the right flank fixedly connected with of sliding sleeve, the through groove has been seted up on the pinion rack, the left surface fixedly connected with electric putter of sliding sleeve, electric putter's flexible end runs through pinion rack and sliding sleeve.

Further, the processing component includes the triangle-shaped regulating block, the spout has been seted up to the right flank of mounting plate, the inside sliding connection of spout has two triangle-shaped regulating blocks, mounting plate's upper and lower surface is located two equal fixedly connected with elastic telescopic connection frame, two between the triangle-shaped regulating block the flexible end of elastic telescopic connection frame is fixedly connected with connecting plate between the relative face, the right side of connecting plate is evenly rotated and is connected with three processing piece, the gag lever post is located the left periphery fixedly connected with linking bridge in the area of polishing, the linking bridge keeps away from the one end lower fixed surface of gag lever post and is connected with the catch bar, the one side sliding connection of processing piece is kept away from to catch bar and triangle-shaped regulating block.

Further, the processing piece comprises a processing roller, the right side of the connecting plate is uniformly connected with three processing rollers in a rotating mode, a plurality of processing blocks are uniformly distributed on the circumferential surface of the processing roller, an installation column is fixedly connected to the inside of the processing roller, a magnetic block is clamped on the installation column, and a leakage groove is formed in the outer surface of the processing roller and is located along the circumferential direction of the processing roller.

Further, the mounting includes the support column, the upper surface centre of a circle position department fixedly connected with support column of fixed disk, there are the multiunit elastic telescopic support pole along axis evenly distributed on the periphery of support column, every group the quantity of elastic telescopic support pole is four, follows one of axis direction the common fixedly connected with backing sheet of one end that the support column was kept away from to the elastic telescopic support pole.

Furthermore, support piece includes the supporting shoe, the inside joint of mounting groove has a plurality of supporting shoes, the antiskid groove has been seted up to the upper surface of supporting shoe, the lower fixed surface of supporting shoe is connected with two joint posts, sliding connection has two reinforcing blocks on the joint post, two the reinforcing block passes through reset spring and connects, the size of joint post and the size looks adaptation in spacing hole.

Compared with the prior art, the invention has the following beneficial effects:

1. this improved generation composite grinding wheel and manufacturing equipment can be greater than the in-process that the emery wheel idiosome ground through setting up of backing roll and gag lever post, and reverse effort is applyed to the area of grinding, makes the area of grinding can add the periphery of laminating emery wheel idiosome, makes the effect of polishing of the area of grinding better, simultaneously, can make the area of laminating of the area of grinding and emery wheel periphery bigger, improves the efficiency of polishing to the emery wheel idiosome.

2. This improved generation composite grinding wheel and manufacturing equipment passes through the setting of mounting, can polish to the inner circle of emery wheel stock simultaneously at the in-process of polishing to the outer lane of stock, need not carry out twice operation of polishing to a emery wheel stock, has improved the production pin rate of emery wheel.

3. This compound emery wheel of improved generation and manufacturing equipment passes through the setting of processing piece, can be in the area of polishing to the emery wheel stock in-process of polishing, the metal sweeps of adhesion carries out timely getting rid of on the area of polishing, the too much metal sweeps of adhesion leads to the effect of polishing in the area of polishing to descend on avoiding the area of polishing, simultaneously through the setting of triangle-shaped regulating block, can carry out the metal sweeps at the in-process that the area of polishing was polished and get rid of polishing, just can not carry out the metal sweeps to the area of polishing and get rid of when the area of polishing is idle running, the life in area of polishing can be improved, the effect of getting rid of processing piece is not influenced simultaneously.

Drawings

Fig. 1 is an appearance schematic diagram of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a front cross-sectional view of the support member of the present invention.

Figure 4 is a schematic view of the sanding assembly and conditioning assembly of the present invention.

Fig. 5 is an enlarged view of portion B of fig. 4 according to the present invention.

Fig. 6 is a top view of fig. 4 in accordance with the present invention.

FIG. 7 is a top cross-sectional view of a treating element of the present invention.

FIG. 8 is a schematic structural diagram of a grinding wheel blank according to the present invention.

In the figure: 1. an adjustment assembly; 2. a processing component; 3. a supporting seat; 4. processing the assembly; 5. polishing the assembly; 11. an electric push rod; 12. a toothed plate; 13. a telescopic connecting column; 14. a sliding sleeve; 21. a triangular adjusting block; 22. connecting a bracket; 23. a push rod; 24. processing the workpiece; 25. a connecting plate; 26. an elastic telescopic connecting frame; 41. rotating the disc; 42. fixing the disc; 43. mounting grooves; 44. a fixing member; 45. a limiting hole; 46. a support member; 51. polishing the belt; 52. a support roller; 53. mounting a bottom plate; 54. a limiting rod; 241. a processing roller; 242. a processing block; 243. mounting a column; 244. a magnetic block; 441. an elastic telescopic supporting rod; 442. a support pillar; 443. a support sheet; 461. a support block; 462. a clamping column; 463. a reinforcing block; 600. an abrasive material; 700. a framework; 800. and (7) installing a ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 8, an improved composite grinding wheel and manufacturing equipment thereof includes a frame 700, an abrasive 600 fixedly connected to an outer circumferential surface of the frame 700, and a mounting ring 800 fixedly connected to an inner circumferential surface of the frame 700, wherein:

above-mentioned compound emery wheel of improved generation involves a compound emery wheel of improved generation and makes processing equipment among the concrete manufacture process, including supporting seat 3, the upper surface of supporting seat 3 is provided with processing subassembly 4, and the upper surface of processing subassembly 4 is provided with adjusting part 1, and adjusting part 1's right side is provided with processing module 2, is provided with supporting seat 3 on the processing module 2.

When the grinding wheel blank body grinding machine is used specifically, a grinding wheel blank body to be machined is placed on the machining assembly 4, then the position of the grinding assembly 5 is adjusted through the adjusting assembly 1, the grinding assembly 5 is attached to the grinding wheel blank body, then the circumferential surface of the grinding wheel blank body on the machining assembly 4 is ground through the grinding assembly 5, and meanwhile metal scraps adhered to the grinding assembly 5 in the grinding process are treated and recovered through the processing assembly 2.

Referring to fig. 1, 2 and 3, the processing assembly 4 includes a fixed disk 42, the upper surface of the supporting seat 3 is fixedly connected with the fixed disk 42, the circumferential surface of the fixed disk 42 is rotatably connected with a rotating disk 41, the upper surface of the fixed disk 42 is uniformly provided with a plurality of mounting grooves 43, the interior of each mounting groove 43 is uniformly provided with a plurality of sets of limiting holes 45, the interior of each mounting groove 43 is clamped with a plurality of supporting pieces 46, each fixing piece 44 includes a supporting column 442, the circle center position of the upper surface of the fixed disk 42 is fixedly connected with the supporting column 442, the circumferential surface of the supporting column 442 is uniformly distributed with a plurality of sets of elastic telescopic supporting rods 441 along the axial line, each set of elastic telescopic supporting rods 441 is four, one end of a row of elastic telescopic supporting rods 441 along the axial line direction, far away from the supporting column 442, is jointly and fixedly connected with a supporting piece 443, each supporting piece 46 includes a supporting block 461, the interior of each mounting groove 43 is clamped with a plurality of supporting blocks 461, anti-skidding groove has been seted up to the upper surface of supporting shoe 461, and two joint posts 462 of lower fixed surface of supporting shoe 461, sliding connection has two reinforcing blocks 463 on joint post 462, and two reinforcing blocks 463 pass through reset spring to be connected, the size of joint post 462 and the size looks adaptation of spacing hole 45.

Through the arrangement of the fixing piece 44, the inner ring of the grinding wheel blank can be simultaneously ground in the grinding process of the outer ring of the blank, two times of grinding operation on one grinding wheel blank is not needed, and the production pin rate of the grinding wheel is improved.

When the grinding wheel blank is placed on the supporting column 442, firstly, according to the size of the grinding wheel blank, a proper number of supporting blocks 461 are selected to be clamped on the limiting holes 45 in the mounting groove 43, the supporting blocks 461 are kept stable in the mounting groove 43 through the arrangement of the reinforcing block 463, and cannot easily slip from the limiting holes 45, after the grinding wheel blank is placed on the supporting piece 46, the supporting blocks 461 support the grinding wheel blank and generate larger friction force for the grinding wheel blank, then the elastic telescopic supporting rod 441 is contracted to sleeve the grinding wheel blank on the supporting sheet 443, under the action of the self elasticity of the elastic telescopic supporting rod 441, the supporting sheet 443 is enabled to be tightly attached to the inner circumferential surface of the grinding wheel blank, and then the rotating disc 41 rotates on the fixed disc 42 to drive the grinding assembly 5 to grind the grinding wheel blank.

Referring to fig. 4, the adjusting assembly 1 includes a toothed plate 12, the upper surface of the rotating disc 41 is fixedly connected with the toothed plate 12, the toothed plate 12 is provided with a sliding sleeve 14, the right side surface of the sliding sleeve 14 is fixedly connected with a telescopic connecting column 13, the toothed plate 12 is provided with a through groove, the left side surface of the sliding sleeve 14 is fixedly connected with an electric push rod 11, the telescopic end of the electric push rod 11 penetrates through the toothed plate 12 and the sliding sleeve 14, and the sliding sleeve 14 is provided with a driving motor.

When specifically using, driving motor drives sliding sleeve 14 and moves on pinion rack 12, adjusts the position of the vertical direction of subassembly 5 of polishing for the emery wheel stock, then adjusts the position of subassembly 5 of polishing for the horizontal direction of emery wheel stock through electric putter 11, makes the subassembly 5 of polishing be close to the emery wheel stock, then polishes the emery wheel stock.

Referring to fig. 4, the polishing assembly 5 includes a mounting base plate 53, the right side of the telescopic connecting column 13 is fixedly connected with the mounting base plate 53, a polishing belt 51 is arranged on the front surface of the mounting base plate 53, two supporting rollers 52 are arranged on the front and rear sides of the inner side of the polishing belt 51, a limiting rod 54 is fixedly connected to the upper surface of the supporting rollers 52, and the limiting rod 54 is slidably connected to the upper surface of the mounting base plate 53 through a spring.

Can be greater than the in-process that the emery wheel idiosome ground through setting up of backing roll 52 and gag lever post 54 at the area 51 of polishing, exert reverse effort to the area 51 of polishing, make the area 51 of polishing can add the periphery of laminating emery wheel idiosome, make the effect of polishing of the area 51 of polishing better, simultaneously, can make the area of laminating of the area 51 of polishing and emery wheel periphery bigger, improve the efficiency of polishing to the emery wheel idiosome.

When in specific use, when electric putter 11 propelling movement mounting plate 53, when polishing the emery wheel stock through polishing area 51, after polishing area 51 and the contact of emery wheel stock, polishing area 51 can produce certain sunken, at this moment under the effect of the spring on gag lever post 54, produce reverse effort through backing roll 52 to polishing area 51, thereby make polishing area 51 and the periphery of emery wheel stock laminate more, and under the effect of two backing rolls 52, make polishing area 51 and the contact area of emery wheel stock bigger at the in-process of polishing.

Referring to fig. 4, 5 and 6, the processing assembly 2 includes triangular adjusting blocks 21, a sliding groove is formed in the right side surface of the mounting base plate 53, two triangular adjusting blocks 21 are slidably connected inside the sliding groove, elastic telescopic links 26 are fixedly connected between the two triangular adjusting blocks 21 on the upper and lower surfaces of the mounting base plate 53, a connecting plate 25 is fixedly connected between the opposite surfaces of the telescopic ends of the two elastic telescopic links 26, three processing pieces 24 are uniformly and rotatably connected to the right side of the connecting plate 25, a limiting rod 54 is fixedly connected to a connecting bracket 22 on the circumferential surface of the left side of the polishing belt 51, a push rod 23 is fixedly connected to the lower surface of one end of the connecting bracket 22 away from the limiting rod 54, the push rod 23 is slidably connected to the side of the triangular adjusting blocks 21 away from the processing pieces 24, and a clamping groove matched with the triangular adjusting blocks 21 is formed in the mounting base plate 53.

Through the setting of processing piece 24, can be at the area 51 of polishing to the emery wheel stock in-process of polishing, the metal sweeps of adhesion carries out timely getting rid of on the area 51 of polishing, avoid polishing the too much metal sweeps of adhesion on the area 51 of polishing and lead to polishing the effect decline of polishing in area 51, simultaneously through the setting of triangle-shaped regulating block 21, can carry out the metal sweeps to polishing the area 51 at the in-process that the area 51 of polishing and get rid of, just can not carry out the metal sweeps to polishing the area 51 when polishing the area 51 idle running and get rid of, can improve the life of polishing the area 51, do not influence the effect of getting rid of processing piece 24 simultaneously.

When the polishing belt 51 starts to polish a grinding wheel blank, after the polishing belt 51 contacts the grinding wheel blank, thrust is generated on the supporting roller 52, the supporting roller 52 pushes the limiting rod 54 to move to drive the connecting bracket 22 on the limiting rod 54 to synchronously move, the connecting bracket 22 pushes the triangular adjusting block 21 to slide on the inclined plane of the triangular adjusting block 21 through the push rod 23 in the moving process to slide on the mounting bottom plate 53 in the direction far away from the push rod 23, the two triangular adjusting blocks 21 simultaneously slide in the direction far away from the push rod 23, the connecting plate 25 between the two triangular adjusting blocks 21 moves in the direction close to the polishing belt 51 under the action of the inclined planes of the two triangular adjusting blocks 21, metal scraps on the polishing belt 51 can be removed when the connecting plate 25 pushes the processing piece 24 to be attached to the polishing belt 51, and the connecting plate 25 stretches the elastic telescopic connecting frame 26 in the moving process, after the connecting plate 25 is not stressed, the connecting plate 25 is restored to the original position under the self elasticity of the elastic telescopic connecting frame 26.

Referring to fig. 7, the processing member 24 includes a processing roller 241, three processing rollers 241 are rotatably connected to the right side of the connecting plate 25, a plurality of processing blocks 242 are uniformly distributed on the circumferential surface of the processing roller 241, a mounting column 243 is fixedly connected to the inside of the processing roller 241, a magnetic block 244 is clamped on the mounting column 243, and a leakage groove is formed between two rows of processing blocks 242 on the outer surface of the processing roller 241 along the circumferential direction of the processing roller 241.

Through the setting of erection column 243, can carry out timely recovery with most metal sweeps that the piece 242 of handling got rid of down to in the follow-up centralized processing to metal sweeps, guaranteed equipment table surface's clean and tidy simultaneously, do not need the staff often to clear up the mesa of equipment.

When the polishing belt 51 is used specifically, in the process that the processing roller 241 rotates along with the polishing belt 51, most of metal scraps adhered to the polishing belt 51 can be separated through the plurality of processing blocks 242, the metal scraps are removed from the polishing belt 51, and after the metal scraps are separated from the polishing belt 51, most of the metal scraps are recovered through the magnetic blocks 244 by penetrating through the leakage grooves in the processing roller 241 in the rotating process of the processing roller 241, so that the labor amount of workers for cleaning the working table of equipment is reduced.

The working principle is as follows: when the grinding wheel blank body processing device is used, firstly, a grinding wheel blank body needing to be processed is placed on the processing assembly 4, then the position of the grinding assembly 5 is adjusted through the adjusting assembly 1, the grinding assembly 5 is attached to the grinding wheel blank body, then the circumferential surface of the grinding wheel blank body on the processing assembly 4 is ground through the grinding assembly 5, and meanwhile, metal scraps adhered to the grinding assembly 5 in the grinding process are processed and recovered through the processing assembly 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An improved composite grinding wheel comprises a framework (700), and is characterized in that: the outer circumference fixedly connected with abrasive material (600) of skeleton (700), the inner circumference fixedly connected with collar (800) of skeleton (700), wherein:

the improved composite grinding wheel relates to an improved composite grinding wheel and manufacturing and processing equipment in a specific manufacturing process, and the improved composite grinding wheel comprises a supporting seat (3), wherein a processing assembly (4) is arranged on the upper surface of the supporting seat (3), an adjusting assembly (1) is arranged on the upper surface of the processing assembly (4), a processing assembly (2) is arranged on the right side of the adjusting assembly (1), and the supporting seat (3) is arranged on the processing assembly (2);

grinding assembly (5) includes mounting plate (53), the right side fixedly connected with mounting plate (53) of adjusting part (1), the front surface of mounting plate (53) is provided with grinding belt (51), both sides are provided with two backing rolls (52) around grinding belt (51)'s the inboard, the last fixed surface of backing roll (52) is connected with gag lever post (54), gag lever post (54) are through the upper surface sliding connection of spring and mounting plate (53).

2. An improved composite grinding wheel according to claim 1, wherein: processing subassembly (4) are including fixed disk (42), the last fixed surface of supporting seat (3) is connected with fixed disk (42), the periphery of fixed disk (42) rotates and is connected with rolling disc (41), a plurality of mounting grooves (43) have evenly been seted up to the upper surface of fixed disk (42), the inside of mounting groove (43) has evenly been seted up multiunit spacing hole (45), the inside joint of mounting groove (43) has a plurality of support piece (46).

3. An improved composite grinding wheel according to claim 1, wherein: adjusting part (1) includes pinion rack (12), the last fixed surface of rolling disc (41) is connected with pinion rack (12), be provided with sliding sleeve (14) on pinion rack (12), the flexible spliced pole (13) of the right flank fixedly connected with of sliding sleeve (14), seted up on pinion rack (12) and link up the groove, the left surface fixedly connected with electric putter (11) of sliding sleeve (14), the flexible end of electric putter (11) runs through pinion rack (12) and sliding sleeve (14).

4. An improved composite grinding wheel according to claim 1, wherein: the processing component (2) comprises a triangular adjusting block (21), the right side surface of the mounting bottom plate (53) is provided with a sliding groove, two triangular adjusting blocks (21) are connected inside the sliding groove in a sliding manner, elastic telescopic connecting frames (26) are fixedly connected between the two triangular adjusting blocks (21) on the upper surface and the lower surface of the mounting bottom plate (53), connecting plates (25) are fixedly connected between opposite surfaces of telescopic ends of the two elastic telescopic connecting frames (26), the right side of the connecting plate (25) is evenly and rotatably connected with three processing pieces (24), the circumferential surface of the limiting rod (54) positioned at the left side of the grinding belt (51) is fixedly connected with a connecting bracket (22), the lower surface of one end of the connecting bracket (22) far away from the limiting rod (54) is fixedly connected with a push rod (23), the pushing rod (23) is connected with one surface of the triangular adjusting block (21) far away from the processing piece (24) in a sliding way.

5. An improved composite grinding wheel according to claim 1, wherein: the processing piece (24) comprises a processing roller (241), the right side of the connecting plate (25) is uniformly connected with three processing rollers (241) in a rotating mode, a plurality of processing blocks (242) are uniformly distributed on the circumferential surface of the processing roller (241), an installation column (243) is fixedly connected to the inside of the processing roller (241), a magnetic block (244) is clamped on the installation column (243), and the outer surface of the processing roller (241) is located along two rows of processing blocks (242) in the circumferential direction of the processing roller (241) and is provided with a leakage groove.

6. An improved composite grinding wheel according to claim 1, wherein: the fixing part (44) comprises a supporting column (442), the upper surface of the fixed disc (42) is fixedly connected with the supporting column (442) at the circle center position, a plurality of groups of elastic telescopic supporting rods (441) are uniformly distributed on the circumferential surface of the supporting column (442) along the axis, each group of elastic telescopic supporting rods (441) is provided with four numbers, and one row along the axis direction of the elastic telescopic supporting rods (441) is far away from one end of the supporting column (442) and is fixedly connected with a supporting sheet (443) together.

7. An improved composite grinding wheel according to claim 1, wherein: the supporting piece (46) comprises supporting blocks (461), a plurality of supporting blocks (461) are clamped inside the mounting groove (43), an anti-slip groove is formed in the upper surface of each supporting block (461), two clamping columns (462) are fixedly connected to the lower surface of each supporting block (461), two reinforcing blocks (463) are connected to the clamping columns (462) in a sliding mode, the two reinforcing blocks (463) are connected through a return spring, and the size of each clamping column (462) is matched with the size of the corresponding limiting hole (45).