CN220312736U - Cutter grinding device with variable grinding angle - Google Patents
Cutter grinding device with variable grinding angle Download PDFInfo
- Publication number
- CN220312736U CN220312736U CN202223120253.1U CN202223120253U CN220312736U CN 220312736 U CN220312736 U CN 220312736U CN 202223120253 U CN202223120253 U CN 202223120253U CN 220312736 U CN220312736 U CN 220312736U
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- 238000009434 installation Methods 0.000 claims description 7
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- 230000001105 regulatory effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model relates to the technical field of sharpening equipment, in particular to a tool grinding device with a variable grinding angle, which comprises a sharpening stone, wherein the sharpening stone is arranged on a sharpening stage, two ends of the sharpening stage are fixedly connected with supporting plates, one side of the sharpening stage is provided with a guide rail, two ends of the guide rail are connected to the supporting plates through guide rail adjusting components, a movable support is slidably arranged on the guide rail and comprises a sliding block, a vertical support and a transverse support, the sliding block is slidably arranged on the guide rail, one end of the vertical support is connected with the sliding block through the support adjusting components, the other end of the vertical support is vertically and fixedly connected with the transverse support, and a clamp for clamping a tool is movably arranged on the transverse support. According to the utility model, the inclination degree of the guide rail is regulated through the guide rail regulating component, so that the change range of the grinding angle is set, an operator can push the cutter clamped on the clamp to perform the angle-changing grinding operation on the cutter cutting edge under the condition of zero experience, and different cutting edges with excellent grinding effects are obtained.
Description
Technical Field
The utility model relates to the technical field of knife sharpening equipment, in particular to a cutter grinding device with a variable grinding angle.
Background
The sharpness of the cutters such as kitchen knives, fruit knives, scissors and the like can be reduced after long-term use, and the cutters need to be reground after the sharpness of the cutters is reduced, so that the sharpness of the cutting edge is recovered. Most of the current cutters are subjected to flat grinding from the cutting edge up to the back or the ridge, and flat grinding has the advantage of relatively easy grinding, but has the disadvantage of easy dulling and needs to be frequently ground to restore sharpness. Compared with a flat grinder, the convex grinder has the advantages that the ground cutting edge is arc-shaped, the cutter is more beneficial to cutting due to the round angle, the strength is higher, the edge rolling and tipping are difficult, and the convex grinder is very durable. The existing cutter wants to obtain the convex grinding cutting edge with good cutting effect, a manual grinding mode is generally adopted, and most of manual grinding is that grinding staff automatically selects a grinding mode and a cutting edge mode according to own experience, but common people cannot easily process excellent convex grinding in daily life, operators cannot cope with grinding requirements of different cutters, so that the quality of the ground cutter is poor, the labor cost and the time cost are too high, and the high-quality convex grinding cutting edge is difficult to recover.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the utility model aims at: the utility model provides a grinding angle is changeable cutter grinding device, through the height at guide rail adjustment assembly regulation guide rail both ends, and then the inclination of adjustment guide rail to set up grinding angle's variation range, make the operator only need promote the cutter of being held on anchor clamps just can carry out the grinding operation of variable angle to the cutter blade, obtain the outstanding different blade of grinding effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a changeable cutter grinding device of grinding angle, including the whetstone, the whetstone is established on the sharpening platform, sharpening platform's both ends fixedly connected with backup pad, sharpening platform's one side is equipped with the guide rail, guide rail adjusting part connects in the backup pad is passed through at the both ends of guide rail, slidable mounting has movable support on the guide rail, movable support includes slider, vertical support and horizontal support, slider slidable mounting is on the guide rail, vertical support's one end passes through support adjusting part with the slider and is connected, vertical support's the other end and horizontal support vertical fixed connection, movable mounting has the anchor clamps that are used for centre gripping cutter on the horizontal support.
Further, the guide rail adjusting assembly comprises a guide screw, a guide screw locking nut and a guide screw nut, a guide rail installation groove is formed in the supporting plate, the guide screw is rotatably installed in the guide rail installation groove, the guide screw locking nut and the guide screw nut are sleeved on the guide screw, the guide screw locking nut is located at the top of the guide screw, the end part of the guide rail is connected with the guide screw nut, and the top of the guide screw is further connected with the guide screw nut.
Further, the support adjusting component comprises a support fixing nut and an adjusting nut, a support through hole and a containing groove for containing the adjusting nut are formed in the sliding block, the support fixing nut is located at the top of the sliding block, external threads are arranged at one end, connected with the sliding block, of the vertical support, and the vertical support penetrates through the support through hole and is connected to the sliding block through the support fixing nut and the adjusting nut.
Further, the clamp comprises a mounting end and a clamping end, a mounting groove matched with the transverse bracket is formed in the mounting end, and the mounting end is movably mounted on the transverse bracket through the mounting groove; the clamping assembly is arranged on the clamping end, the clamping end is rotationally connected with the mounting end, the rotating table is arranged on the clamping end, the rotating groove matched with the rotating table is arranged on the mounting end, and the rotating table and the rotating groove are rotationally connected through the rotating shaft.
Further, the clamping assembly comprises a clamping block, a connecting rod and a clamping fixing nut, one end of the connecting rod is fixedly connected with the clamping block, an external thread is arranged on the outer wall of the other end of the connecting rod, a through groove matched with the connecting rod is formed in the clamping end, and the connecting rod penetrates through the through groove and is in threaded connection with the clamping fixing nut.
Further, the through groove is a strip through groove, and the connecting rod is movably installed in the through groove through the clamping fixing nut.
Further, the number of the guide rails is two, the end parts of the two guide rails are connected with the screw nuts, two guide rail through holes matched with the guide rails are formed in the sliding blocks, and the sliding blocks are sleeved on the guide rails through the guide rail through holes.
Further, one end of the whetstone is further provided with a limiting assembly, the limiting assembly comprises a fixed wedge, a movable wedge and an adjusting bolt, a movable groove is formed in the whetstone platform, a threaded through groove is formed in the movable wedge, the adjusting bolt penetrates through the threaded through groove and the fixed wedge and is connected with the movable groove, the movable wedge is attached to the inclined surface of the fixed wedge, and the movable wedge and the supporting plate form locking clamping on the whetstone.
Further, two ends of the sharpening stage are fixedly connected with the supporting plate through bolts.
In general, the utility model has the following advantages:
1. according to the utility model, the heights of the two ends of the guide rail are adjusted through the guide rail adjusting assembly, so that the inclination degree of the guide rail is adjusted, and the change range of the grinding angle is set, so that an operator can perform the angle-changing grinding operation on the cutting edge of the cutter by pushing the cutter clamped on the clamp under the condition of no experience, and different cutting edges with excellent grinding effects are obtained.
2. According to the utility model, the height of the vertical support is adjusted by adjusting the nut, so that the grinding included angle between the cutter on the clamp and the knife stone is further adjusted according to the inclination degree and grinding condition of the guide rail, and the adjustment and compensation of the grinding included angle between the cutting edge and the knife stone are realized; the vertical support is locked on the sliding block through the support fixing nut, so that the overall stability of the cutter in the grinding process is improved.
3. According to the utility model, the vertical support and the transverse support are matched to form the 7-shaped support, so that the clamp can flexibly adjust the angle on the transverse support, further adjust and compensate the grinding included angle between the cutting edge and the knife grinder, ensure that the grinding included angle is accurate, and can be conveniently taken down from the transverse support, thereby realizing the effects of simple disassembly and efficient knife grinding and improving the working efficiency.
4. The mounting end and the clamping end of the clamp are rotatably connected, so that the clamp can swing left and right for grinding, grinding of different radians of a cutter is realized, and a better grinding effect is achieved.
5. According to the utility model, the clamping end of the clamp is provided with the strip-shaped through groove, and the clamping depth is adjusted by adjusting the clamping fixing nut, so that the clamping assembly can change the clamping depth according to different cutters so as to adapt to the different cutters and grind the different cutters.
Drawings
FIG. 1 is a schematic view of a variable angle grinding tool grinding apparatus of the present utility model;
FIG. 2 is a schematic view of the structure of the rail adjustment assembly of the present utility model;
FIG. 3 is a schematic view of the structure of the vertical and lateral brackets of the present utility model;
FIG. 4 is a schematic view of the structure of the slider of the present utility model;
FIG. 5 is a schematic view of the structure of the clamp of the present utility model;
FIG. 6 is an exploded view of the clamp of the present utility model;
FIG. 7 is a schematic view of a spacing assembly of the present utility model;
wherein: 1: knife stone, 2: sharpening stage, 21: fixed wedge block, 22: movable wedge block, 23: adjusting bolt, 24: moving groove, 3: support plate, 31: guide rail mounting groove, 32: lead screw nut, 33: lead screw, 34: screw nut, 35: lead screw locking nut, 4: guide rail, 5: slider, 51: accommodation groove, 52: bracket through hole, 53: bracket fixing nut, 54: adjusting nut, 55: guide rail through-hole, 6: vertical support, 7: transverse support, 8: clamp, 81: mounting groove, 82: clamping block, 83: connecting rod, 84: clamping a fixing nut, 85: through slot, 86: rotating table, 87: spin slot, 88: a rotating shaft.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
As shown in FIG. 1, a grinding angle-variable tool grinding device comprises a whetstone, wherein the whetstone is arranged on a whetstone table, two ends of the whetstone table are fixedly connected with supporting plates, one side of the whetstone table is provided with a guide rail, two ends of the guide rail are connected to the supporting plates through guide rail adjusting components, a movable support is slidably arranged on the guide rail and comprises a sliding block, a vertical support and a transverse support, the sliding block is slidably arranged on the guide rail, a guide rail through hole matched with the guide rail is specifically formed in the sliding block, the sliding block is sleeved on the guide rail through hole, one end of the vertical support is connected with the sliding block through a support adjusting component, the other end of the vertical support is vertically and fixedly connected with the transverse support, and a clamp for clamping a tool is movably arranged on the transverse support. According to the utility model, the height of the end parts of the guide rail is regulated through the guide rail regulating assemblies at the two ends, so that the inclination degree of the guide rail is regulated, and the movable support can move obliquely on the guide rail. The operator pushes the cutter clamped on the clamp to perform variable-angle cutting edge grinding operation, so that a convex grinding cutting edge or a flat die cutting edge with excellent grinding effect is obtained.
In this embodiment, the two ends of the sharpening stage are fixedly connected with the support plate through bolts.
As shown in fig. 2, the guide rail adjusting assembly comprises a guide screw, a guide screw locking nut and a guide screw nut, a guide rail installing groove is formed in the support plate, the guide screw is rotationally installed in the guide rail installing groove, the guide screw locking nut and the guide screw nut are sleeved on the guide screw, the guide screw locking nut is located at the top of the guide screw, the end part of the guide rail is fixedly connected with the guide screw nut, the guide screw is in transmission connection with the guide screw nut, the guide screw nut is enabled to move up and down through rotating the guide screw, so that the height of the end part of the guide rail is adjusted, the guide screw is in threaded connection with the guide screw locking nut, the guide screw is tightly abutted to the guide screw through screwing the guide screw locking nut upwards, the guide screw locking nut is matched with the installing groove to form locking, the guide screw nut is further connected with the guide screw nut at the top of the guide screw, the guide screw nut can be rotated through rotating the guide screw nut, the position of the guide screw nut is adjusted, and then the height and the inclination degree of the guide rail are adjusted, and the function that the grinding angle is changeable is achieved. In this embodiment, the quantity of guide rail is two, and the tip of two guide rails all is connected with screw nut, and specific, the through-hole has been seted up to the tip of guide rail, and screw nut both sides are equipped with the connecting axle, and the tip of guide rail is established on the connecting axle through the through-hole cover, has seted up two guide rail through-holes with guide rail matched with on the slider, and the slider is established on the guide rail through-hole cover for the slider can drive vertical support and transverse support steadily and do back-and-forth reciprocating motion on the guide rail.
As shown in fig. 1, 3 and 4, the bracket adjusting assembly comprises a bracket fixing nut and an adjusting nut, a bracket through hole and a containing groove for containing the adjusting nut are formed in the sliding block, the bracket fixing nut is located at the top of the sliding block, an external thread is arranged at one end, connected with the sliding block, of the vertical bracket, and the vertical bracket penetrates through the bracket through hole and is connected onto the sliding block through the bracket fixing nut and the adjusting nut. The vertical support adjusts the height of the vertical support through adjusting nuts, so that the grinding included angle between a cutter on the clamp and the knife stone is further adjusted according to the inclination degree and the grinding condition of the guide rail, and the adjustment and compensation of the grinding included angle are realized; the vertical support is locked on the sliding block through the support fixing nut, so that the overall stability of the movable support in the cutter grinding process can be improved.
As shown in fig. 5 and 6, the clamp comprises a mounting end and a clamping end, the mounting end is provided with a mounting groove matched with the transverse bracket, the mounting end is movably mounted on the transverse bracket through the mounting groove, the clamp flexibly rotates along the radial direction of the transverse bracket, the grinding included angle between the cutting edge and the knife stone can be further adjusted and compensated, and the accuracy of the grinding included angle is ensured; the clamping end is provided with a clamping assembly, the clamping assembly comprises a clamping block, a connecting rod and a clamping fixing nut, one end of the connecting rod is fixedly connected with the clamping block, the outer wall of the other end of the connecting rod is provided with external threads, the clamping end is provided with a through groove matched with the connecting rod, the connecting rod penetrates through the through groove and is in threaded connection with the clamping fixing nut, and the clamping force of the clamping block to a cutter is adjusted through the clamping fixing nut, so that the clamping assembly can clamp and lock the cutter; the clamping end is rotationally connected with the installation end, is equipped with the revolving stage on the clamping end, is equipped with on the installation end with revolving stage matched with rotary groove, revolving stage and rotary groove rotate through the pivot and are connected, and the clamping end rotationally connects on the installation end, and the cutter can be along with the clamping end to swing the grinding about, realizes the grinding to the different radians of cutter for the operator has better feel of use, can reach better grinding effect.
In the embodiment, the through groove is a long strip through groove, the connecting rod is movably mounted in the through groove through the clamping fixing nut, and the long strip through groove enables the connecting rod and the clamping block to change the clamping depth according to different cutters, so that universality of the utility model is improved.
As shown in fig. 7, one end of the whetstone is further provided with a limiting component, the limiting component comprises a fixed wedge, a movable wedge and an adjusting bolt, a moving groove is formed in the whetstone table, a threaded through groove is formed in the movable wedge, the adjusting bolt penetrates through the threaded through groove and the fixed wedge and is connected with the moving groove, the movable wedge is attached to the inclined surface of the fixed wedge, specifically, the inclined surface of the fixed wedge is arranged upwards, the movable wedge is arranged above the fixed wedge, the inclined surface of the movable wedge is arranged downwards, after the whetstone is placed, the fixed wedge and the movable wedge are pushed to move to a position attached to the whetstone along the moving groove, the fixed wedge is fixed by screwing the adjusting bolt downwards, meanwhile, the movable wedge slides downwards towards the whetstone along the inclined surface, and the movable wedge and the supporting plate form locking clamping on the whetstone. The movable limiting component enables an operator to conveniently replace the worn knife stone.
The application principle of the utility model is as follows:
adjusting the inclination degree of the guide rail: the screw nut at one end of the screwing device enables the screw to rotate, the end part at one end of the guide rail is driven to be adjusted to a required height along with the screw nut, the screw locking nut is screwed up to be fastened, and then the height at the other end of the guide rail is adjusted to be the same, so that the adjustment of the inclination degree of the guide rail can be completed.
Clamping a cutter: unscrewing the clamping fixing nut enables the distance between the clamping block and the clamping end to be enough for accommodating the cutter, inserting the back part of the cutter between the clamping block and the clamping end, adjusting the clamping depth of the connecting rod and the clamping block to the cutter in the through groove, and then tightening the clamping fixing nut to clamp the cutter.
And (3) mounting clamp: and sleeving the mounting groove of the clamp on the transverse bracket, and thus, completing the mounting.
Disassembling the clamp: and the mounting groove of the clamp is slipped out of the free end of the transverse bracket to be taken down, so that the disassembly can be completed.
Height of the vertical support is adjusted: the adjusting nut is screwed to adjust the vertical support to the required height, and the support fixing nut is screwed down, so that the vertical support is locked in the sliding block.
When the tool holder is used, the clamp is rotated along the radial direction of the transverse support, the included angle between the clamp and the knife stone is adjusted, the cutting edge is aligned to the knife stone, the tool clamped on the clamp and the movable support are pushed to move on the guide rail, and the cutting edge can be driven to grind on the knife stone.
In general, the height of the two ends of the guide rail is adjusted through the guide rail adjusting assembly, so that the inclination degree of the guide rail is adjusted, and the change range of the grinding angle is set, so that an operator can perform angle-changing grinding operation on the cutting edge of the cutter by pushing the cutter clamped on the clamp under the condition of no experience, and different cutting edges with excellent grinding effects are obtained. According to the utility model, the height of the vertical support is regulated by regulating the nut, so that the grinding included angle between the cutter on the clamp and the knife stone is further regulated according to the inclination degree and grinding condition of the guide rail, the regulation and compensation of the grinding included angle are realized, and the accurate and reliable grinding included angle of the cutting edge is ensured; the vertical support is locked on the sliding block through the support fixing nut, so that the overall stability of the cutter in the grinding process is improved. According to the utility model, the vertical support and the transverse support are matched to form the 7-shaped support, so that the clamp can flexibly adjust the angle on the transverse support, further adjust and compensate the grinding included angle between the cutting edge and the knife grinder, ensure that the grinding included angle is accurate, and can be conveniently taken down from the transverse support, thereby realizing the effects of simple disassembly and efficient knife grinding and improving the working efficiency. The mounting end and the clamping end of the clamp are rotatably connected, so that the clamp can swing left and right for grinding, grinding of different radians of a cutter is realized, and a better grinding effect is achieved. According to the utility model, the clamping end of the clamp is provided with the strip-shaped through groove, and the clamping depth is adjusted by adjusting the clamping fixing nut, so that the clamping assembly can change the clamping depth according to different cutters so as to adapt to the different cutters and grind the different cutters.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (9)
1. The utility model provides a grinding angle variable cutter grinding device which characterized in that: including the whetstone, the whetstone is established in the whetstone bench, and the both ends fixedly connected with backup pad of whetstone bench, one side of whetstone bench is equipped with the guide rail, and the both ends of guide rail are passed through guide rail adjustment assembly and are connected in the backup pad, and slidable mounting has movable support on the guide rail, and movable support includes slider, vertical support and horizontal support, slider slidable mounting on the guide rail, and vertical support's one end and slider pass through support adjustment assembly and are connected, and vertical support's the other end and horizontal support vertical fixed connection, movable mounting has the anchor clamps that are used for centre gripping cutter on the horizontal support.
2. A variable grinding angle tool grinding apparatus according to claim 1, characterized in that: the guide rail adjusting assembly comprises a guide screw, a guide screw locking nut and a guide screw nut, a guide rail installation groove is formed in the support plate, the guide screw is rotatably installed in the guide rail installation groove, the guide screw locking nut and the guide screw nut are sleeved on the guide screw, the guide screw locking nut is located at the top of the guide screw, the end part of the guide rail is connected with the guide screw nut, and the top of the guide screw is further connected with the guide screw nut.
3. A variable grinding angle tool grinding apparatus according to claim 1, characterized in that: the support adjusting component comprises a support fixing nut and an adjusting nut, a support through hole and a containing groove for containing the adjusting nut are formed in the sliding block, the support fixing nut is located at the top of the sliding block, external threads are arranged at one end, connected with the sliding block, of the vertical support, and the vertical support penetrates through the support through hole and is connected onto the sliding block through the support fixing nut and the adjusting nut.
4. A variable grinding angle tool grinding apparatus according to claim 1, characterized in that: the fixture comprises a mounting end and a clamping end, wherein the mounting end is provided with a mounting groove matched with the transverse bracket, and the mounting end is movably mounted on the transverse bracket through the mounting groove; the clamping assembly is arranged on the clamping end, the clamping end is rotationally connected with the mounting end, the rotating table is arranged on the clamping end, the rotating groove matched with the rotating table is arranged on the mounting end, and the rotating table and the rotating groove are rotationally connected through the rotating shaft.
5. A variable grinding angle tool grinding apparatus according to claim 4, characterized in that: the clamping assembly comprises a clamping block, a connecting rod and a clamping fixing nut, one end of the connecting rod is fixedly connected with the clamping block, an external thread is arranged on the outer wall of the other end of the connecting rod, a through groove matched with the connecting rod is formed in the clamping end, and the connecting rod penetrates through the through groove and is in threaded connection with the clamping fixing nut.
6. A variable grinding angle tool grinding apparatus according to claim 5, characterized in that: the through groove is a strip through groove, and the connecting rod is movably arranged in the through groove through the clamping fixing nut.
7. A variable grinding angle tool grinding apparatus according to claim 2, characterized in that: the number of the guide rails is two, the end parts of the two guide rails are connected with screw nuts, two guide rail through holes matched with the guide rails are formed in the sliding blocks, and the sliding blocks are sleeved on the guide rails through the guide rail through holes.
8. A variable grinding angle tool grinding apparatus according to claim 1, characterized in that: one end of the sharpening stone is also provided with a limiting component, the limiting component comprises a fixed wedge block, a movable wedge block and an adjusting bolt, the sharpening table is provided with a moving groove, the movable wedge block is provided with a threaded through groove, the adjusting bolt penetrates through the threaded through groove and the fixed wedge block and is connected with the moving groove, the movable wedge block is attached to the inclined surface of the fixed wedge block, and the movable wedge block and the supporting plate form locking clamping on the sharpening stone.
9. A variable grinding angle tool grinding apparatus according to claim 1, characterized in that: two ends of the sharpening table are fixedly connected with the supporting plate through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223120253.1U CN220312736U (en) | 2022-11-23 | 2022-11-23 | Cutter grinding device with variable grinding angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223120253.1U CN220312736U (en) | 2022-11-23 | 2022-11-23 | Cutter grinding device with variable grinding angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220312736U true CN220312736U (en) | 2024-01-09 |
Family
ID=89414315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223120253.1U Active CN220312736U (en) | 2022-11-23 | 2022-11-23 | Cutter grinding device with variable grinding angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220312736U (en) |
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2022
- 2022-11-23 CN CN202223120253.1U patent/CN220312736U/en active Active
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