CN212665731U - Hand-held type sand mill - Google Patents
Hand-held type sand mill Download PDFInfo
- Publication number
- CN212665731U CN212665731U CN202021373884.2U CN202021373884U CN212665731U CN 212665731 U CN212665731 U CN 212665731U CN 202021373884 U CN202021373884 U CN 202021373884U CN 212665731 U CN212665731 U CN 212665731U
- Authority
- CN
- China
- Prior art keywords
- branch pipe
- transmission shaft
- cover
- short
- long
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The utility model discloses a hand-held type sand mill, include: the motor body unit that supplies handheld, be equipped with the long branch pipe that stretches out forward on the front end of motor body unit, install a long transmission shaft in long branch pipe, long transmission shaft is rotatory by the motor drive in the motor body unit, be equipped with a transverse arrangement's short branch pipe on the front end of long branch pipe, the front end and the short branch pipe middle part of long branch pipe are linked together, install a transverse arrangement's short transmission shaft in short branch pipe, the one end of short transmission shaft stretches out short branch pipe and is used for installing the bistrique in the place ahead of crossing motor body unit, be provided with the drive mechanism that enables long transmission shaft drive short transmission shaft rotatory in the intercommunication department of long branch pipe and short branch pipe. The grinding head in the handheld sand mill is transversely arranged in front of the motor body unit in the left-right direction, so that a worker only needs to move the motor body unit back and forth to enable the grinding head to move back and forth to grind, the operation is more smooth and labor-saving, the labor intensity is reduced, and the handheld sand mill is more suitable for large-scale sand mills.
Description
Technical Field
The utility model relates to an electric tool field, concretely relates to hand-held type sand mill.
Background
The structure of the existing direct hand-held sand mill comprises: the motor body unit is used for holding, a long branch pipe extending forwards is arranged at the front end of the motor body unit, a long transmission shaft is installed in the long branch pipe through a bearing, the long branch pipe extends out of the front end of the long transmission shaft, a grinding head coaxial with the long transmission shaft is fixedly sleeved on the front end of the long transmission shaft, the grinding head is a vane wheel grinding head, a sand roller provided with a sand ring and the like, the long transmission shaft is driven to rotate by a motor in the motor body unit, and the grinding head can be driven by the long transmission shaft to rotate and polish. The straight hand-held type sand mill of foretell is only suitable for making small-size sand mill, because on the straight hand-held type sand mill bistrique and long transmission shaft coaxial line installation back, the axis of bistrique can move towards the workman of hand-held type sand mill for the workman removes motor body unit about need when polishing and removes the bistrique, if the straight hand-held type sand mill of making large-scale sand mill, removes motor body unit about can be more laborious when polishing.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the hand-held sand mill is suitable for being made into a large-scale sand mill and saves labor during grinding.
In order to solve the above problem, the utility model discloses the technical scheme who adopts does: a hand-held sander, comprising: the confession handheld motor body unit is provided with a long branch pipe that stretches out forward on the front end of motor body unit, installs a long transmission shaft through the bearing in long branch pipe, and long transmission shaft is rotatory by the motor drive in the motor body unit, its characterized in that: the front end of the long branch pipe is provided with a short branch pipe which is transversely arranged, the front end of the long branch pipe is communicated with the middle of the short branch pipe, a short transmission shaft which is transversely arranged is installed in the short branch pipe through a bearing, one end of the short transmission shaft extends out of the short branch pipe and is transverse to the front of the motor body unit for installing the grinding head, the grinding head is also transverse to the front of the motor body unit, and a transmission mechanism which can enable the long transmission shaft to drive the short transmission shaft to drive the grinding head to rotate together is arranged at the communication position of the long branch pipe and the short branch pipe.
Further, the aforementioned hand-held sander, wherein: the transmission mechanism is a pair of bevel gears which are meshed with each other, one bevel gear is arranged on the front end of the long transmission shaft, and the other bevel gear is arranged on the short transmission shaft.
Further, the aforementioned hand-held sander, wherein: the long transmission shaft is arranged obliquely relative to the motor output shaft, so that the grinding head mounted on the short transmission shaft can be transverse to the right front of the motor body unit.
Further, the aforementioned hand-held sander, wherein: the long transmission shaft inclines rightwards, and an included angle between the axis of the long transmission shaft and the axis of the motor output shaft is 10-40 degrees.
Further, the aforementioned hand-held sander, wherein: the motor output shaft and the long transmission shaft are mutually transmitted through a pair of meshed helical gears.
Further, the aforementioned hand-held sander, wherein: install a cover in the dustproof protection cover of bistrique top on short branch pipe, the mounting structure of dustproof protection cover and short branch pipe is: the cross section of the outer side wall of the inner end of the short branch pipe close to the grinding head is in a regular polygon shape, the dustproof protective cover is provided with a clamping sleeve, the dustproof protective cover can be sleeved on the outer side wall of the inner end of the short branch pipe through the clamping sleeve and covers the grinding head, the clamping sleeve is provided with an avoiding notch for avoiding the long branch pipe when the dustproof protective cover is sleeved from outside to inside, the cross section of the inner side wall of the clamping sleeve is in a regular polygon shape with the avoiding notch, the number of the sides of the regular polygon is the same as that of the cross section of the outer side wall of the inner end of the short branch pipe, so that each side of the clamping sleeve can be respectively attached to the corresponding side of the outer side wall of the inner end of the short branch pipe and clamped on the outer side wall of the inner end of the short branch pipe, and the clamping sleeve can elastically deform under the torsion of an external force to rotate on the short branch pipe, thereby adjusting the angle of, the L shape recess comprises the direction recess of arranging along the stub axle direction and the spacing recess of arranging along stub circumference, the outer end of direction recess opens and arranges, be provided with the bump that can block into in the L shape recess on the inside wall of joint cover, when the joint cover from outside-in suit is on the inner lateral wall of stub, the bump can block into to the direction recess inner, then enable bump card income to spacing recess behind the rotatory joint cover of external force, make spacing recess can carry out the rotation that can lead to the joint cover simultaneously to the joint cover through the bump.
Further, the aforementioned hand-held sander, wherein: the outer end of the short branch pipe is provided with a round seat, the outer end of the round seat is provided with a threaded hole, the dustproof protective cover is further provided with a stable cover which can be covered on the round seat when the clamping sleeve is sleeved on the outer side wall of the inner end of the short branch pipe, the stable cover is connected and fixed with the dustproof protective cover through a rib plate, so that the dustproof protective cover can rotate together with the stable cover when rotating, the outer end of the stable cover is provided with a through hole, a knob which can rotate movably and can abut against the stable cover inwards but cannot be separated from the through hole outwards is inserted in the through hole, the center of the inner end of the knob is provided with a stud which can be screwed into the threaded hole through rotating the knob when the stable cover is covered on the round seat, and the knob can abut against the stable cover after being tightened through the stud screwed into the threaded hole.
Further, the aforementioned hand-held sander, wherein: the mounting structure of stabilizing cover and knob does: a plurality of elastic convex edges which are arranged around the knob at intervals in the axial direction are arranged on the inner end surface of the knob, wedge tables with wedge-shaped inclined surfaces are arranged on the outer edges of the end parts of the free ends of the elastic convex edges, when all the elastic convex edges on the knob are inserted into the through hole on the stable cover together, the inclined planes on all the wedge tables are firstly contacted and abutted with the edge of the through hole, then, along with the insertion, the through holes can press each wedge inwards through each inclined surface, so that each elastic convex edge can generate elastic deformation and the free end can incline inwards to close, thereby each wedge can pass through the through hole, after passing through the through hole, each wedge can expand outwards and reset, each wedge can hook the inner wall of the through hole of the stabilizing cover from the inside, therefore, the knob cannot be separated from the through hole outwards, but the knob can rotate on the through hole by taking each elastic convex edge as a shaft.
Further, the aforementioned hand-held sander, wherein: the number of the L-shaped grooves is two, the number of the salient points is two, and the two salient points are in one-to-one correspondence with the two L-shaped grooves respectively.
Further, the aforementioned hand-held sander, wherein: the dustproof protective cover is provided with a dust collection port for externally connecting a dust collector, and a safety blocking piece for blocking fingers from extending into the dust collection port is arranged in the dust collection port.
The utility model has the advantages that: the grinding head in the hand-held sand mill is transversely arranged in front of the motor body unit in the left-right direction, so that a worker only needs to move the motor body unit back and forth to enable the grinding head to move back and forth to grind, and compared with the left-right movement of the motor body unit, the back-and-forth movement of the motor body unit can be more smooth and convenient to operate, is more labor-saving, can reduce the labor intensity, and is relatively more suitable for being made into a large-scale sand mill.
Drawings
Fig. 1 is the internal structure schematic diagram of the hand-held sand mill of the present invention.
Fig. 2 is a schematic view of the three-dimensional structure of the hand-held sand mill of the present invention.
Fig. 3 is a schematic view of the three-dimensional structure of the handheld sander after the dustproof protective cover is installed.
Fig. 4 is a perspective view of the dust-proof protection cover shown in fig. 3.
Fig. 5 is a perspective view of the dust-proof protection cover shown in fig. 3 from another perspective.
Fig. 6 is a perspective view of the knob shown in fig. 4.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
As shown in fig. 1 and 2, the hand-held sander comprises: a motor body unit 1 for hand holding, a long branch pipe 11 extending forward is provided on the front end of the motor body unit 1, a long transmission shaft 2 is installed in the long branch pipe 11 through a bearing, the long transmission shaft 2 is driven to rotate by a motor 12 in the motor body unit 1, a short branch pipe 13 arranged transversely is provided on the front end of the long branch pipe 11, the front end of the long branch pipe 11 is communicated with the middle of the short branch pipe 13, a short transmission shaft 3 arranged transversely is installed in the short branch pipe 13 through a bearing, one end of the short transmission shaft 3 extends out of the short branch pipe 13 and is transverse to the front of the motor body unit 1 for installing a grinding head 9, so that the grinding head 9 is also transverse to the front of the motor body unit 1, a transmission mechanism capable of driving the short transmission shaft 3 to rotate together with the grinding head 9 by the long transmission shaft 2 is provided at the communication position of the long branch pipe 11 and the short branch pipe 13, in the embodiment, the transmission mechanism is a pair of bevel gears 7 which are meshed with each other, one bevel gear 7 is arranged on the front end of the long transmission shaft 2, and the other bevel gear 7 is arranged on the short transmission shaft 3.
In the present embodiment, the long drive shaft 2 is arranged obliquely with respect to the output shaft of the motor 12 so that the grinding head 9 mounted on the short drive shaft 3 can be across the front of the motor body unit 1. In this embodiment, the long transmission shaft 2 is inclined to the right, and the angle α between the axis of the long transmission shaft 2 and the axis of the output shaft of the motor 12 is 20 degrees. The output shaft of the motor 12 and the long transmission shaft 2 are mutually transmitted through a pair of meshed helical gears 6.
The hand-held type sand mill of above-mentioned structure, the axis of bistrique is about the direction is violently in motor body unit the place ahead for the workman only needs the back-and-forth movement motor body unit just can make bistrique round trip movement polish, for controlling the motor body unit about, workman back-and-forth movement motor body unit can be more handy and the operation of being convenient for, also can be more laborsaving and can reduce intensity of labour, just also be fit for making large-scale sand mill relatively more just.
In the present embodiment, as shown in fig. 2, 3, 4, and 5, a dust-proof cover 8 covering the grinding head 9 is mounted on the short branch pipe 13, and the mounting structure of the dust-proof cover 8 and the short branch pipe 13 is: the cross section of the outer side wall of the inner end of the short branch pipe 13 close to the grinding head 9 is in a regular polygon shape, the dustproof protective cover 8 is provided with a clamping sleeve 81, the dustproof protective cover 8 can be sleeved on the outer side wall of the inner end of the short branch pipe 13 through the clamping sleeve 81 and covers the grinding head 9, the clamping sleeve 81 is provided with an avoiding notch 82 for avoiding the long branch pipe 11 when the dustproof protective cover 8 is sleeved from outside to inside, the cross section of the inner side wall of the clamping sleeve 81 is in the regular polygon shape with the avoiding notch, the number of the sides of the regular polygon is the same as that of the cross section of the outer side wall of the inner end of the short branch pipe 13, so that the clamping sleeve 81 can be clamped on the outer side wall of the inner end of the short branch pipe 13 by respectively attaching the surfaces on the inner side wall of the clamping sleeve to the corresponding surfaces on the outer side wall of the inner end of the short branch pipe 13, and, so that the angle of the dust-proof cover 8 can be adjusted to be in a proper protecting position, and in the actual production, the clamping sleeve 81 made of plastic material can make it have elastic deformation performance when rotating, the outer side wall of the inner end of the short branch pipe 13 is also provided with an L-shaped groove 4, the L-shaped groove 4 consists of a guide groove 41 which is axially arranged along the short branch pipe 13 and a limit groove 42 which is circumferentially arranged along the short branch pipe 13, the outer end of the guide groove 41 is arranged in an open way, the inner side wall of the clamping sleeve 81 is provided with a salient point 83 which can be clamped into the L-shaped groove 4, when the clamping sleeve 81 is sleeved on the outer side wall of the inner end of the short branch pipe 13 from outside to inside, the salient point 83 can be clamped into the inner end of the guide groove 41, then the clamping sleeve 81 is rotated by external force to enable the salient point 83 to be clamped into the limiting groove 42, so that the limiting groove 42 can axially limit the bayonet sleeve 81 by the convex point 83 and can guide the rotation of the bayonet sleeve 81.
In this embodiment, two L-shaped grooves 4 are provided, two bumps 83 are provided, and the two bumps 83 correspond to the two L-shaped grooves 4 one to one, respectively. This arrangement makes the installation of the dust protection cover 8 more reliable.
The installation of the dustproof protection cover 8 is convenient and fast after the installation structure of the dustproof protection cover 8 is arranged, and the angle position of the dustproof protection cover 8 can be conveniently adjusted, so that the dustproof protection cover 8 can be adjusted to avoid when the dustproof protection cover 8 hinders polishing.
In this embodiment, a round seat 14 is provided on the outer end of the short branch pipe 13, a screw hole 15 is provided on the outer end of the round seat 14, the dustproof protection cover 8 is also provided with a stable cover 84 which can cover the round seat 14 when the clamping sleeve 81 is sleeved on the outer side wall of the inner end of the short branch pipe 13, the stable cover 84 is fixedly connected with the dustproof protection cover 8 through a rib plate 85, so that the dustproof protection cover 8 can rotate together with the stable cover 84 when rotating, a through hole is arranged at the outer end of the stabilizing cover 84, a knob 5 which can movably rotate and can be abutted against the stabilizing cover 84 inwards but can not be separated from the through hole outwards is inserted into the through hole, a stud 51 which can be screwed into the threaded hole 15 by rotating the knob 5 when the stabilizing cover 84 is covered on the round seat 14 is arranged at the center of the inner end of the knob 5, and the knob 5 can be abutted against the stabilizing cover 84 after being screwed into the threaded hole 15 by the stud 51 for tightening.
The stable cover 84 covers the round seat 14, and the dustproof protection cover 8 can be more reliably installed after the knob 5 abuts against the stable cover 84.
The angle of the dust-proof cover 8 can be adjusted by loosening the stud 51, but the stud 51 must be withdrawn from the threaded hole 15 when the dust-proof cover 8 is removed.
As shown in fig. 5 and 6, the mounting structure of the stabilizing cover 84 and the knob 5 is: four resilient lugs 52 are provided on the inner end surface of the knob 5 at spaced axial intervals around the knob 5, a wedge 53 with a wedge bevel 54 is arranged on the outer edge of the end of the free end of each elastic bead 52, when the respective resilient convex edges 52 of the knob 5 are inserted together into the through hole of the stabilizing cap 84, the inclined surfaces 54 of the respective wedges 53 first come into contact against the edges of the through hole, then, with insertion, the through-hole presses each wedge 53 inwards by each ramp 54, so that each elastic convex edge 52 can generate elastic deformation and the free ends can incline inwards to close, so that each wedge 53 can pass through the through-hole, and after passing through the through-hole, each wedge 53 is expanded outward and restored, so that each wedge 53 can hook the inner wall of the through-hole of the stabilizing cover 84 from the inside, so that the knob 5 cannot be separated from the through hole, but the knob 5 can be rotated on the through hole with the elastic flanges 52 as axes.
A dust suction port 86 for externally connecting a dust collector is arranged on the dustproof protection cover 8, and a safety stop piece 87 for preventing fingers from extending into the dust suction port 86 is arranged in the dust suction port 86.
Claims (10)
1. A hand-held sander, comprising: the confession handheld motor body unit is provided with a long branch pipe that stretches out forward on the front end of motor body unit, installs a long transmission shaft through the bearing in long branch pipe, and long transmission shaft is rotatory by the motor drive in the motor body unit, its characterized in that: the front end of the long branch pipe is provided with a short branch pipe which is transversely arranged, the front end of the long branch pipe is communicated with the middle of the short branch pipe, a short transmission shaft which is transversely arranged is installed in the short branch pipe through a bearing, one end of the short transmission shaft extends out of the short branch pipe and is transverse to the front of the motor body unit for installing the grinding head, the grinding head is also transverse to the front of the motor body unit, and a transmission mechanism which can enable the long transmission shaft to drive the short transmission shaft to drive the grinding head to rotate together is arranged at the communication position of the long branch pipe and the short branch pipe.
2. The hand-held sander of claim 1, wherein: the transmission mechanism is a pair of bevel gears which are meshed with each other, one bevel gear is arranged on the front end of the long transmission shaft, and the other bevel gear is arranged on the short transmission shaft.
3. The hand-held sander of claim 1 or 2, wherein: the long transmission shaft is arranged obliquely relative to the motor output shaft, so that the grinding head mounted on the short transmission shaft can be transverse to the right front of the motor body unit.
4. The hand-held sander of claim 3, wherein: the long transmission shaft inclines rightwards, and an included angle between the axis of the long transmission shaft and the axis of the motor output shaft is 10-40 degrees.
5. The hand-held sander of claim 3, wherein: the motor output shaft and the long transmission shaft are mutually transmitted through a pair of meshed helical gears.
6. The hand-held sander of claim 1 or 2, wherein: install a cover in the dustproof protection cover of bistrique top on short branch pipe, the mounting structure of dustproof protection cover and short branch pipe is: the cross section of the outer side wall of the inner end of the short branch pipe close to the grinding head is in a regular polygon shape, the dustproof protective cover is provided with a clamping sleeve, the dustproof protective cover can be sleeved on the outer side wall of the inner end of the short branch pipe through the clamping sleeve and covers the grinding head, the clamping sleeve is provided with an avoiding notch for avoiding the long branch pipe when the dustproof protective cover is sleeved from outside to inside, the cross section of the inner side wall of the clamping sleeve is in a regular polygon shape with the avoiding notch, the number of the sides of the regular polygon is the same as that of the cross section of the outer side wall of the inner end of the short branch pipe, so that each side of the clamping sleeve can be respectively attached to the corresponding side of the outer side wall of the inner end of the short branch pipe and clamped on the outer side wall of the inner end of the short branch pipe, and the clamping sleeve can elastically deform under the torsion of an external force to rotate on the short branch pipe, thereby adjusting the angle of, the L shape recess comprises the direction recess of arranging along the stub axle direction and the spacing recess of arranging along stub circumference, the outer end of direction recess opens and arranges, be provided with the bump that can block into in the L shape recess on the inside wall of joint cover, when the joint cover from outside-in suit is on the inner lateral wall of stub, the bump can block into to the direction recess inner, then enable bump card income to spacing recess behind the rotatory joint cover of external force, make spacing recess can carry out the rotation that can lead to the joint cover simultaneously to the joint cover through the bump.
7. The hand-held sander of claim 6, wherein: the outer end of the short branch pipe is provided with a round seat, the outer end of the round seat is provided with a threaded hole, the dustproof protective cover is further provided with a stable cover which can be covered on the round seat when the clamping sleeve is sleeved on the outer side wall of the inner end of the short branch pipe, the stable cover is connected and fixed with the dustproof protective cover through a rib plate, so that the dustproof protective cover can rotate together with the stable cover when rotating, the outer end of the stable cover is provided with a through hole, a knob which can rotate movably and can abut against the stable cover inwards but cannot be separated from the through hole outwards is inserted in the through hole, the center of the inner end of the knob is provided with a stud which can be screwed into the threaded hole through rotating the knob when the stable cover is covered on the round seat, and the knob can abut against the stable cover after being tightened through the stud screwed into the threaded hole.
8. The hand-held sander of claim 7, wherein: the mounting structure of stabilizing cover and knob does: a plurality of elastic convex edges which are arranged around the knob at intervals in the axial direction are arranged on the inner end surface of the knob, wedge tables with wedge-shaped inclined surfaces are arranged on the outer edges of the end parts of the free ends of the elastic convex edges, when all the elastic convex edges on the knob are inserted into the through hole on the stable cover together, the inclined planes on all the wedge tables are firstly contacted and abutted with the edge of the through hole, then, along with the insertion, the through holes can press each wedge inwards through each inclined surface, so that each elastic convex edge can generate elastic deformation and the free end can incline inwards to close, thereby each wedge can pass through the through hole, after passing through the through hole, each wedge can expand outwards and reset, each wedge can hook the inner wall of the through hole of the stabilizing cover from the inside, therefore, the knob cannot be separated from the through hole outwards, but the knob can rotate on the through hole by taking each elastic convex edge as a shaft.
9. The hand-held sander of claim 6, wherein: the number of the L-shaped grooves is two, the number of the salient points is two, and the two salient points are in one-to-one correspondence with the two L-shaped grooves respectively.
10. The hand-held sander of claim 6, wherein: the dustproof protective cover is provided with a dust collection port for externally connecting a dust collector, and a safety blocking piece for blocking fingers from extending into the dust collection port is arranged in the dust collection port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021373884.2U CN212665731U (en) | 2020-07-14 | 2020-07-14 | Hand-held type sand mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021373884.2U CN212665731U (en) | 2020-07-14 | 2020-07-14 | Hand-held type sand mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212665731U true CN212665731U (en) | 2021-03-09 |
Family
ID=74839146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021373884.2U Active CN212665731U (en) | 2020-07-14 | 2020-07-14 | Hand-held type sand mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212665731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872803A (en) * | 2020-07-14 | 2020-11-03 | 张家港市创基机械设备制造有限公司 | Hand-held type sand mill |
-
2020
- 2020-07-14 CN CN202021373884.2U patent/CN212665731U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872803A (en) * | 2020-07-14 | 2020-11-03 | 张家港市创基机械设备制造有限公司 | Hand-held type sand mill |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8480457B2 (en) | Surface preparation apparatus | |
| CN212665731U (en) | Hand-held type sand mill | |
| CN207309612U (en) | The automated system that a kind of burr on wheel hub three dimensions removes | |
| CN108582344A (en) | The green outer ring of thick bamboo tube bamboo eliminating equipment together | |
| CN113199312A (en) | Finish machining process for manufacturing automobile transmission shaft | |
| CN215825060U (en) | Quick adjustment opening angle structure of angle mill protection casing | |
| CN111872803A (en) | Hand-held type sand mill | |
| CN210335447U (en) | Angle-adjustable dovetail groove grinding mechanism | |
| CN106181713B (en) | Sander with deflecting and bending function | |
| CN216913286U (en) | Abrasive belt grinding machine capable of replacing various sizes | |
| CN212169938U (en) | Automatic grinding device for inner wall of metal rectangular tube | |
| CN203330808U (en) | Grinding machine for two end faces of pipe joint | |
| CN220218025U (en) | First assembly structure of polishing of burr grinding device | |
| CN209936526U (en) | Machine part grinding device convenient to remove dust | |
| CN210499688U (en) | Polishing device | |
| CN210938598U (en) | Hand-held type stone material chamfer make-up machine | |
| CN204248661U (en) | Quick change electric mill | |
| CN210476471U (en) | Polisher with fixture | |
| CN208663311U (en) | A kind of cylindrical grinder with dust-extraction unit | |
| CN213017203U (en) | Fastening nut for grinding disc of angle grinder | |
| CN202155790U (en) | Punch former | |
| CN105328649A (en) | Working accessory and power tool | |
| CN210678069U (en) | Working base station for water mill machining and capable of being assembled | |
| CN216657583U (en) | Grinding wheel for centerless grinding machine | |
| CN219704627U (en) | Chamfering grinding wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |