CN220179055U - High-speed heavy-load grinding wheel forming device - Google Patents
High-speed heavy-load grinding wheel forming device Download PDFInfo
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- CN220179055U CN220179055U CN202321502259.7U CN202321502259U CN220179055U CN 220179055 U CN220179055 U CN 220179055U CN 202321502259 U CN202321502259 U CN 202321502259U CN 220179055 U CN220179055 U CN 220179055U
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- grinding wheel
- die
- positioner
- sleeve
- plate
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- 238000000227 grinding Methods 0.000 title claims abstract description 115
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000012840 feeding operation Methods 0.000 claims abstract description 12
- 238000013519 translation Methods 0.000 claims abstract description 12
- 238000007493 shaping process Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 11
- 238000007731 hot pressing Methods 0.000 claims description 9
- 238000007711 solidification Methods 0.000 claims description 9
- 230000008023 solidification Effects 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 239000011162 core material Substances 0.000 abstract description 37
- 239000003082 abrasive agent Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 8
- 239000007767 bonding agent Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012792 core layer Substances 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Polishing Bodies And Polishing Tools (AREA)
Abstract
The utility model discloses a high-speed heavy-load grinding wheel forming device which comprises an operation table, a forming trolley, a die, a feeding operation control assembly, a die ejection assembly, a traction forming trolley translation assembly, a plane positioner and an end face positioner, wherein the feeding operation control assembly drives a tray on the forming trolley to rotate in a friction transmission mode through a grinding wheel, the plane positioner is provided with a circular bottom plate, the circular bottom plate is sleeved on the periphery of a die core, the end face positioner is a polygonal sleeve, the sleeve is sleeved on the periphery of the circular bottom plate, the circular bottom plate can center the sleeve, abrasive materials are filled between the sleeve and the die cylinder, core materials are filled between the sleeve and the die core, then cold press forming and hot press curing of the grinding wheel are carried out, the sleeve is polygonal, the connecting part between a core material layer and a grinding layer of the grinding wheel is a polygonal curved surface, the friction force between the core material layer and the grinding layer is increased, and the anti-slip capability between the core material layer and the grinding layer is greatly improved.
Description
Technical Field
The utility model relates to the field of grinding wheel forming, in particular to a high-speed heavy-load grinding wheel forming device.
Background
The grinding wheel is a most main grinding tool in grinding processing, the grinding wheel is also called a bonded grinding tool, the grinding wheel is a bonded grinding tool which is formed by bonding a common grinding material into a certain shape by a bonding agent, most of the grinding wheel is round, a through hole is formed in the center of the grinding wheel, the grinding wheel has certain strength, the grinding wheel is composed of the grinding material, the bonding agent and air holes, the preparation process flow is that the bonding agent is added into the grinding material, the grinding material is subjected to compression molding, drying and curing sintering to prepare a sheet finished blank, the sheet finished blank is subjected to finish machining to a specified size, the grinding wheel is designed into different grinding materials, bonding agents and manufacturing processes according to grinding objects, and the grinding performance of the grinding wheel is influenced mainly by factors such as the grinding material, granularity, the bonding agent, hardness, tissues, shape and size; the high-speed heavy-load grinding wheel is characterized in that the grinding pressure is more than or equal to 5000N, the linear speed of the grinding wheel is more than or equal to 50m/s, the balance consistency of internal tissue structures after the grinding wheel blank is formed is achieved, strict process requirements are met, and the grinding wheel is deformed due to irregular transfer of the just-formed grinding wheel semi-finished blank in the production process, so that the yield is reduced. The prior art has the following defects or problems:
1. the existing grinding wheel forming and feeding process has the defects that no positioning device exists between the two layers of structures, the coaxiality of the inner core material and the grinding layer is poor, the coaxiality has important influence on the processing quality, the production rate and the economical efficiency of grinding, and even the safety accident is caused by bursting.
2. The high-strength tight combination is difficult to realize at the connection joint of the core material and the end face of the grinding layer joint part in the grinding wheel, so that the phenomena of easy loosening and slipping occur between the core material part and the grinding layer when the grinding wheel is used for cutting high-strength materials and needs to bear larger cutting force.
3. The horizontal operation and control system drives the grinding wheel to form and evenly throw the forming material, and the operation driving wheel arranged on the workbench drives the grinding wheel turntable in a gear or belt transmission mode, so that when the grinding wheel turntable is started or operated, uneven force transmission causes throwing shaking, and uneven tissue density of the grinding wheel is caused.
Disclosure of Invention
The utility model provides a high-speed heavy-load grinding wheel forming device which can improve the uniformity of tissue density after grinding wheel forming and the anti-slip capability between a grinding wheel core material layer and a grinding layer.
In order to solve the technical problems, the utility model provides a high-speed heavy-load grinding wheel forming device which comprises an operation table, a forming trolley, a mould and a feeding operation control assembly, wherein the forming trolley is in sliding connection with a table top of a hydraulic machine, the mould comprises a mould core, a mould cylinder, an upper mould plate and a lower mould plate, the lower mould plate is arranged on a rotary table of the forming trolley, the mould cylinder is arranged on the lower mould plate, the mould core and the upper mould plate are arranged in the mould cylinder, the feeding operation control assembly can drive the rotary table on the forming trolley to rotate, the feeding operation control assembly drives a tray on the forming trolley to rotate in a friction transmission mode through a grinding wheel, the mould further comprises a plane locator and an end locator, the end locator is a polygonal sleeve, the end locator is arranged between the mould cylinder and the mould core, the plane locator comprises a circular ring bottom plate and a vertical plate, one end of the vertical plate is fixed on the top surface of the circular ring bottom plate, the circular ring bottom plate is sleeved on the periphery of the mould core, the circular bottom plate is tightly attached to the outer side surface of the circular bottom plate, and the inner side of the circular bottom plate is tightly attached to the outer side surface of the circular bottom plate.
Further, the cold press forming machine further comprises a demolding ejection assembly, wherein the demolding ejection assembly can convey the mold together with the grinding wheel in the mold into the cold press forming machine.
Further, a traction forming trolley translation assembly is arranged in the operation table, and the traction forming trolley translation control trolley translation assembly can drive the forming trolley to move into the hot press forming machine.
Further, a guide rail is arranged on the table top of the hydraulic machine, a guide wheel is arranged at the bottom of the forming trolley, and the guide wheel can roll along the guide rail.
Further, the die cylinder comprises a die sleeve and a die ring, the bottom end of the die ring is sleeved with the die sleeve, and the joint of the die ring and the die sleeve is a step surface.
Further, the upper die plate comprises a cold-pressing upper die plate and a hot-pressing upper die plate, wherein the cold-pressing upper die plate is used when the grinding wheel is subjected to cold-pressing molding, and the hot-pressing upper die plate is used when the grinding wheel is subjected to hot-pressing solidification.
Further, two vertical plates are arranged on the plane positioner.
The utility model has the technical effects that: the grinding wheel mold is internally provided with the plane positioner and the end face positioner, the plane positioner is provided with the circular ring bottom plate, the circular ring bottom plate is sleeved on the periphery of the mold core, the end face positioner is a polygonal sleeve, the sleeve is sleeved on the periphery of the circular ring bottom plate, the circular ring bottom plate can center the sleeve, the abrasive is filled between the sleeve and the mold cylinder, the core material is filled between the sleeve and the mold core, then cold press molding and hot press solidification are carried out on the grinding wheel, the sleeve is polygonal, the connecting part between the core material layer and the grinding layer of the grinding wheel is a polygonal curved surface, the friction force between the core material layer and the grinding layer is increased, the anti-slip capability between the core material layer and the grinding layer is greatly improved, and simultaneously, the two positioning structures can accurately center the core material layer and the grinding layer, the coaxiality and the bonding strength of the grinding wheel are improved, and the severe vibration phenomenon generated when the grinding wheel is used is avoided.
The feeding operation control component drives the grinding wheel turntable to rotate in a friction transmission mode, so that the die assembly arranged on the turntable can realize balanced feeding in a horizontal rotation state, and the uniform tissue density is realized, thereby avoiding uneven force transmission, shaking and uneven tissue density of the grinding wheel caused by the fact that the grinding wheel turntable is driven in a gear or belt transmission mode during starting or operation.
Drawings
Fig. 1 is a schematic perspective view of a high-speed heavy-load grinding wheel forming device provided by the utility model.
Fig. 2 is a schematic perspective view of an end face positioner in a high-speed heavy-load grinding wheel forming device.
Fig. 3 is a schematic perspective view of a die in the high-speed heavy-load grinding wheel forming device provided by the utility model.
Fig. 4 is a cross-sectional view of a die cylinder in a high-speed heavy-duty grinding wheel forming device provided by the utility model.
Reference numerals: 1. an operation table; 2. forming a trolley; 3. a mold; 4. a feeding operation control component; 5. a demolding ejection assembly; 6. traction forming trolley translation assembly; 7. a guide wheel; 8. and a guide rail.
31. A mold cylinder; 311. a die sleeve; 312. a mold ring; 32. a mold core; 33. a planar positioner; 331. a circular ring bottom plate; 332. a vertical plate; 34. an end face locator; 35. and (5) a lower template.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the utility model, so that those skilled in the art may better understand the utility model and practice it.
The embodiment of the utility model provides a high-speed heavy-load grinding wheel forming device, which is shown in combination with figures 1-4 and comprises an operating platform 1, a forming trolley 2, a die 3, a feeding operation control assembly 4, a die ejection assembly 5 and a traction forming trolley translation assembly 6.
The operation panel 1 and the shaping dolly 2 are arranged on the table top of the hydraulic press workbench, the die 3 is arranged on the turntable of the shaping dolly 2, the feeding operation control assembly 4 can drive the turntable to rotate, and then drive the rotation of the die 3, the traction shaping dolly translation assembly 6 can drive the shaping dolly 2 to move into the hot press forming machine along the guide rail 8, hot press solidification is carried out on the grinding wheel, and the demolding ejection assembly 5 can send the die 3 together with the grinding wheel in the die 3 into the cold press forming machine to finish cold press forming of the grinding wheel.
Specifically, the mold 3 includes a mold core 32, a mold cylinder 31, an upper mold plate and a lower mold plate 35, the lower mold plate 35 is mounted on a turntable of the forming trolley 2, the mold cylinder 31 is arranged on the lower mold plate 35, the mold core 32 and the upper mold plate are arranged in the mold cylinder 31, and the feeding operation control assembly 4 can drive the turntable on the forming trolley 2 to rotate.
In addition, the mold 3 further includes a planar positioner 33 and an end surface positioner 34, the end surface positioner 34 is a polygonal sleeve, the section positioner is arranged between the mold cylinder 31 and the mold core 32, the end surface positioner 34 can enable the edge of the core material layer in contact with the grinding layer to be in a polygonal curved surface structure, friction force between the core material layer and the grinding layer is increased, and the grinding wheel can bear larger cutting force.
The plane positioner 33 comprises a circular ring bottom plate 331 and vertical plates 332 with one ends fixed on the top surface of the circular ring bottom plate 331, the two vertical plates 332 are arranged, the circular ring bottom plate 331 is sleeved on the periphery of the mold core 32, the inner edge of the circular ring bottom plate 331 is clung to the outer side surface of the mold core 32, and the outer edge of the circular ring bottom plate 331 is clung to the inner side surface of the end surface positioner 34. The plane positioner 33 can ensure that the center of the grinding wheel, the center of the core material layer and the center of the grinding layer are positioned at one position, thereby improving the coaxiality of the three
Specifically, shaping dolly 2 and hydraulic press's mesa sliding connection, specifically, be equipped with in the operation panel 1 and pull shaping dolly translation subassembly 6, be equipped with guide rail 8 on the hydraulic press mesa, shaping dolly 2 bottom is equipped with guide pulley 7, and guide pulley 7 can roll along guide rail 8, pulls shaping dolly translation subassembly 6 and can drive shaping dolly 2 and remove to the hot briquetting machine along guide rail 8 in, carries out hot briquetting solidification to the emery wheel.
Specifically, the demolding setting assembly is arranged in a hydraulic machine right below the turntable, and the demolding ejection assembly 5 can convey the mold 3 together with the grinding wheel in the mold 3 into a cold press molding machine to finish cold press molding.
The feeding operation control assembly 4 drives the tray on the forming trolley 2 to rotate in a friction transmission mode through the grinding wheel, so that the turntable can rotate more stably and uniformly, balanced feeding can be realized, the uniformity of the density of the formed grinding wheel is ensured, and the structural strength of the grinding wheel is improved. Gear transmission or other transmission modes are avoided, so that transmission shake is eliminated, and the forming material is uneven in tissue density.
The die cylinder 31 comprises a die sleeve 311 and a die ring 312, the bottom end of the die ring 312 is sleeved with the die sleeve 311, and the joint of the die sleeve 311 and the die ring is a step surface. The die ring 312 increases the geometric height of the die cylinder 31, increases the volume of the die cylinder 31, can ensure the usage amount of the grinding wheel filler, and simultaneously
The upper die plate comprises a cold-pressing upper die plate and a hot-pressing upper die plate, wherein the cold-pressing upper die plate is used when the grinding wheel is subjected to cold-pressing molding, and the hot-pressing upper die plate is used when the grinding wheel is subjected to hot-pressing solidification.
When the utility model is used, the lower die plate 35 and the die cylinder 31 formed by combining the die sleeve 311 and the die ring 312 are firstly arranged on the rotary table of the forming trolley 2, the die core 32 is arranged at the center of the die sleeve 311, the grinding wheel forming material is arranged between the die core 32 and the die sleeve 311, the upper part of the upper die plate is provided with the pressure head, and the pressure head is connected with the press. Then the end face positioner 34 is inserted between the die cylinder 31 and the die core 32, and then the plane positioner 33 is inserted between the end face positioner 34 and the die core 32, wherein the grinding layer filler is filled between the end face positioner 34 and the die cylinder 31, and the core layer filler is filled between the end face positioner 34 and the die core 32.
The process can enter a feeding forming process after the installation, firstly, the outer circle grinding layer is used for feeding, the feeding is finished, the plane positioner 33 is taken out, then the inner layer core layer is used for feeding, the end face positioner 34 is taken out, then the grinding wheel is sent to cold press forming by the demolding ejection assembly 5, after the cold press forming, the cold press upper die plate is removed, the hot press upper die plate is replaced, and the grinding wheel is sent to hot press forming by the traction forming trolley translation assembly 6.
The utility model is carried out in the forming process of the grinding wheel through the following procedures:
(1) Feeding materials; and (3) calculating and weighing the required feeding amount according to the specific specification of the prepared grinding wheel, wherein the feeding speed is controlled by a computer, and is adapted to the speed of a turntable of the forming trolley 2, so that uniform feeding is realized, wherein grinding layer filler is filled between the end face positioner 34 and the mold cylinder 31, and core material layer filler is filled between the end face positioner 34 and the mold core 32.
(2) Cold press molding of the grinding wheel; and (3) carrying out pressure application for multiple times according to the number of times of feeding the prepared grinding wheel, moving to the operation table 1 after each time of pressure application, removing the upper template formed by cold pressing, starting the turntable of the operation table 1 again, and scraping the concave-convex part left on the upper end surface of the grinding wheel blank by using a knife edge ruler.
(3) Hot press molding and curing; after cold press molding is finished, the cold press upper die plate is removed, the die 3 covered with the hot press upper die plate is conveyed into a hot press for solidification molding, the hot press is finished according to the hot press process of the prepared grinding wheel, the pressing pressure and temperature are maintained until the grinding wheel solidification is realized at the preset time after the hot press is finished, the pressurization is stopped after the grinding wheel solidification, a heating system is closed, the die 3 is taken out from the hot press, the die is removed, and then the next procedure can be carried out after the inspection of the technical condition of molding materials is met.
The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.
Claims (7)
1. The utility model provides a high-speed heavy load grinding wheel forming device, includes operation panel, shaping dolly, mould and throws material operation control assembly, shaping dolly and hydraulic press's mesa sliding connection, the mould includes mold core, mould section of thick bamboo, cope match-plate pattern and lower bolster, the lower bolster install in on the carousel of shaping dolly, the mould section of thick bamboo is located on the lower bolster, the mold core with the cope match-plate pattern is located in the mould section of thick bamboo, its characterized in that: the feeding operation control assembly drives a tray on the forming trolley to rotate in a friction transmission mode through a grinding wheel, the die further comprises a plane positioner and an end face positioner, the end face positioner is a polygonal sleeve, the end face positioner is arranged between the die cylinder and the die core, the plane positioner comprises a circular ring bottom plate and a vertical plate, one end of the vertical plate is fixed on the top surface of the circular ring bottom plate, the circular ring bottom plate is sleeved on the periphery of the die core, the inner edge of the circular ring bottom plate is clung to the outer side face of the die core, and the outer edge of the circular ring bottom plate is clung to the inner side face of the end face positioner.
2. The high-speed heavy-duty grinding wheel forming device according to claim 1, characterized in that: the mold is characterized by further comprising a mold stripping ejection assembly, wherein the mold stripping ejection assembly can convey the mold and the grinding wheel in the mold into a cold press molding machine.
3. The high-speed heavy-duty grinding wheel forming device according to claim 1, characterized in that: the operation panel is equipped with the shaping dolly translation subassembly that pulls in, the shaping dolly translation subassembly that pulls can drive the shaping dolly removes to in the hot briquetting machine.
4. The high-speed heavy-duty grinding wheel forming device according to claim 2, characterized in that: the table top of the hydraulic press is provided with a guide rail, the bottom of the forming trolley is provided with a guide wheel, and the guide wheel can roll along the guide rail.
5. The high-speed heavy-duty grinding wheel forming device according to claim 1, characterized in that: the die cylinder comprises a die sleeve and a die ring, the bottom end of the die ring is sleeved with the die sleeve, and the joint of the die sleeve and the die ring is a step surface.
6. The high-speed heavy-duty grinding wheel forming device according to claim 1, characterized in that: the upper die plate comprises a cold-pressing upper die plate and a hot-pressing upper die plate, wherein the cold-pressing upper die plate is used when the grinding wheel is subjected to cold-pressing molding, and the hot-pressing upper die plate is used when the grinding wheel is subjected to hot-pressing solidification.
7. The high-speed heavy-duty grinding wheel forming device according to claim 1, characterized in that: the two vertical plates on the plane positioner are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321502259.7U CN220179055U (en) | 2023-06-13 | 2023-06-13 | High-speed heavy-load grinding wheel forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321502259.7U CN220179055U (en) | 2023-06-13 | 2023-06-13 | High-speed heavy-load grinding wheel forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220179055U true CN220179055U (en) | 2023-12-15 |
Family
ID=89102143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321502259.7U Active CN220179055U (en) | 2023-06-13 | 2023-06-13 | High-speed heavy-load grinding wheel forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220179055U (en) |
-
2023
- 2023-06-13 CN CN202321502259.7U patent/CN220179055U/en active Active
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