CN218984456U - Hand-held grinding device of rolling type - Google Patents
Hand-held grinding device of rolling type Download PDFInfo
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- CN218984456U CN218984456U CN202123135531.6U CN202123135531U CN218984456U CN 218984456 U CN218984456 U CN 218984456U CN 202123135531 U CN202123135531 U CN 202123135531U CN 218984456 U CN218984456 U CN 218984456U
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- sand paper
- rotating part
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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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Abstract
The utility model relates to the field of polishing devices, in particular to a rolling type handheld polishing device which comprises a shell, a first rotating part, a second rotating part, sand paper and a first fixing part, wherein the first rotating part and the second rotating part are rotatably arranged in the shell, the shell comprises a holding part and a supporting part, the sand paper is movably arranged on the surface of the supporting part, one end of the sand paper is connected with the first rotating part and then is wound on the first rotating part, the other end of the sand paper is connected with the second rotating part and then is wound on the second rotating part, the first fixing part is movably arranged on the shell, and the sand paper can be fixed on the shell or the first rotating part or the second rotating part after being fixed.
Description
Technical Field
The utility model relates to the technical field of polishing devices, in particular to a rolling type handheld polishing device.
Background
In the manual polishing process, a sand paper polishing mode is generally adopted, the sand paper is formed by adhering various abrasive sand grains on base paper, and the surfaces of metal, wood and the like are polished to be smooth. The abrasive paper is generally rectangular, stores and transports after the coiling, when needs use, tailors one section abrasive paper after, with the surface friction of abrasive paper and work piece, abrasive paper is at the in-process of polishing the work piece, need constantly change after polishing the face loss and tailors and get the material, and the operation is troublesome, and is inefficiency to abrasive paper is flexible material, direct handheld polishing, abrasive paper and the unbalanced surface effort of work piece influence the effect of polishing.
Disclosure of Invention
The utility model aims to solve the defects of troublesome handheld sand paper polishing operation, low efficiency and unbalanced acting force in the prior art, and provides a rolling handheld polishing device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a handheld grinding device of rolling, includes the casing, rotates and sets up first rotation portion and second rotation portion, abrasive paper and first fixed part in the casing, the casing includes the portion of gripping and supports the portion of holding, the abrasive paper activity sets up support the surface of holding the portion, one end of abrasive paper with first rotation portion is connected the back and is coiled on the first rotation portion, the other end of abrasive paper with second rotation portion is connected the back and is coiled on the second rotation portion, first fixed part activity sets up on the casing, can with after the first fixed part is fixed abrasive paper is fixed in casing or first rotation portion or second rotation portion.
Preferably, the first rotating part and the second rotating part have the same structure, the second rotating part comprises a rotating rod rotatably arranged in the shell and a knob arranged at one end of the rotating rod, and a mounting hole or a mounting groove is formed in the side wall of the rotating rod.
Preferably, a first connecting portion is arranged on the side wall of the shell, the first fixing portion is connected with the first connecting portion through threads, and one end of the first fixing portion can be abutted to the side wall of the second rotating portion or the shell.
Preferably, a second connecting portion is arranged on the side wall of the shell, a second fixing portion is movably arranged on the second connecting portion, a limiting plate is arranged on the second fixing portion, a spring is sleeved on the second fixing portion, one end of the spring is connected with the limiting plate, the other end of the spring is connected with the shell, and one end of the second fixing portion can be propped against the side wall of the second rotating portion or the shell.
Preferably, a first non-slip sheet is arranged at one end of the first fixing part or the second fixing part, which is close to the second rotating part.
Preferably, a fixing plate is arranged at one end of the first fixing part, which is close to the second rotating part, a fixing rod is arranged on the fixing plate, and fixing holes matched with the fixing rod are formed in the sand paper.
The inner wall of the shell is provided with a chute, and the first rotating part or the second rotating part can move along the chute.
Preferably, the casing includes a first portion and a second portion detachably connected to the first portion, a loading roller is connected to the first rotating portion, one end of the abrasive paper is connected to the loading roller, and the other end of the abrasive paper is connected to the second rotating portion.
Preferably, the side wall of the charging roller is provided with a third through hole, the middle part of the charging roller is provided with a fourth through hole along the axial direction, the inner wall of the fourth through hole is provided with a connecting groove, and the first rotating part is provided with a connecting strip matched with the connecting groove.
Preferably, an elastic plate is arranged on the shell, a second anti-slip sheet is arranged at the end part of the elastic plate, the sand paper is arranged between the second anti-slip sheet and the shell, and after the elastic plate is pressed, the second anti-slip sheet can be propped against the shell.
The beneficial effects of the utility model are as follows:
according to the utility model, a user holds the holding part by hand, fingers hold the abrasive paper on the shell, the abrasive paper on the surface of the holding part is held against the surface of the workpiece and then rubbed, and the workpiece is polished. After the part of participating in polishing on the abrasive paper takes place the loss, rotate first rotation portion and second rotation portion for the abrasive paper removes, removes the part of not participating in polishing on the abrasive paper to continue processing on the contact surface with the work piece, has reduced the step of repeated tailorring abrasive paper, accomodates the abrasive paper in unison, has improved effect and the efficiency of polishing.
Drawings
Fig. 1 is a perspective view of a rolling hand-held polishing device according to an embodiment of the present utility model;
FIG. 2 is a perspective view of the wrap-around hand-held grinding device of FIG. 1 from another perspective;
FIG. 3 is a perspective view of a second rotating portion of the wrap-around hand-held grinding device of FIG. 1;
FIG. 4 is a top view of a wrap-around hand-held grinding device shown in FIG. 1;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is a partial enlarged view at B in FIG. 4;
FIG. 7 is a cross-sectional view of FIG. 5 at A-A with a chute provided in the housing;
FIG. 8 is a cross-sectional view taken at A-A in FIG. 4 of a second embodiment of the present utility model;
FIG. 9 is a cross-sectional view of a third embodiment of the utility model, shown at A-A in FIG. 4;
FIG. 10 is an enlarged view of a portion of FIG. 4 at C;
fig. 11 is a schematic installation diagram of a sandpaper, a first rotating portion and a second rotating portion in a rolling handheld polishing device according to a fourth embodiment of the present utility model;
fig. 12 is a schematic installation diagram of a second fixing portion and a fixing plate in a winding-type handheld polishing device according to a fourth embodiment of the present utility model;
fig. 13 is an exploded view of a rolling hand-held polishing device according to a fifth embodiment of the present utility model;
fig. 14 is a partial enlarged view at D in fig. 13;
fig. 15 is an exploded view of fig. 13 at another view angle.
In the figure: 1 sand paper, 11 fixed holes, 2 shells, 21 holding parts, 22 abutting parts, 23 first through holes, 24 second through holes, 25 sliding grooves, 2-1 first parts, 2-2 second parts, 3 first rotating parts, 31 connecting strips, 4 second rotating parts, 41 knobs, 42 rotating rods, 43 mounting holes, 5 first fixing parts, 6 first connecting parts, 7 first anti-slip sheets, 8 limiting plates, 9 springs, 10 second fixing parts, 12 second connecting parts, 13 fixing plates, 131 fixing rods, 14 bolts, 15 mounting seats, 16 loading rollers, 161 third through holes, 162 fourth through holes, 163 connecting grooves, 17 elastic plates and 18 second anti-slip sheets.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Embodiment one:
referring to fig. 1-13, a rolling handheld polishing device includes a housing 2, a first rotating portion 3 and a second rotating portion 4 rotatably disposed in the housing 2, a sand paper 1 and a first fixing portion 5, the housing 2 includes a holding portion 21 and a supporting portion 22, the sand paper 1 is movably disposed on a surface of the supporting portion 22, one end of the sand paper 1 is connected with the first rotating portion 3 and then wound on the first rotating portion 3, the other end of the sand paper 1 is connected with the second rotating portion 4 and then wound on the second rotating portion 4, the first fixing portion 5 is movably disposed on the housing 2, and the sand paper 1 can be fixed on the housing 2 or the first rotating portion 3 or the second rotating portion 4 after the first fixing portion 5 is fixed.
When the abrasive paper polishing machine is used, a user firstly connects one end of the abrasive paper 1 with the first rotating part 3 and winds the abrasive paper on the first rotating part 3, the other end of the abrasive paper 1 is connected with the second rotating part 4 and winds the abrasive paper on the second rotating part 4, the first fixing part 5 is used for fixing the abrasive paper 1, the user holds the holding part 21 by hand, fingers hold the abrasive paper 1 on the shell 2, the abrasive paper 1 on the surface of the holding part 22 is rubbed after being held against the surface of a workpiece, and the workpiece is polished. After the part of participating in polishing on the abrasive paper 1 is worn, the first rotating part 3 and the second rotating part 4 are rotated, so that the abrasive paper 1 moves, the part of the abrasive paper 1 which does not participate in polishing is moved to the contact surface with a workpiece to be continuously processed, repeated cutting of the abrasive paper 1 is reduced, the abrasive paper 1 is uniformly stored, and polishing effect and efficiency are improved.
Specifically, please refer to fig. 1-6. The housing 2 includes a grip portion 21 and a holding portion 22. The holding portion 21 is convenient for a user to hold and fix the housing 2, and in this embodiment, the cross section of the holding portion 21 is elliptical, and in other embodiments not shown, the holding portion 21 may be circular, square, triangular, etc. Further, in order to facilitate the user to grasp the housing 2, a handle and a connecting strap may be further provided on the housing 2. The end of the abutting portion 22 is provided with a protrusion, in this embodiment, the cross-sectional shape of the protruding end is triangular, so that the protrusion can be easily inserted into a narrow area for polishing, and in other embodiments, not shown, the cross-sectional shape of the protruding end may also be polygonal and have a partial arc shape. The housing 2 is provided with a first through hole 23 and a second through hole 24 which are communicated with the inner cavity of the housing 2, the first through hole 23 is close to the first rotating part 3, and the second through hole 24 is close to the second rotating part 4. When the abrasive paper 1 is specifically installed, the abrasive paper 1 extends into the inner cavity of the shell 2 through the first through hole 23 and then is connected with the first rotating part 3, and the abrasive paper 1 extends into the inner cavity of the shell 2 through the second through hole 24 and then is connected with the second rotating part 4.
In the present embodiment, the first rotating portion 3 and the second rotating portion 4 have the same structure, the second rotating portion 4 includes a rotating lever 42 rotatably disposed in the housing 2 and a knob 41 disposed at one end of the rotating lever 42, and a mounting hole 43 is provided in a side wall of the rotating lever 42. After the end portion of the coated abrasive 1 is inserted into the mounting hole 43, the second rotating portion 4 is rotated, and the coated abrasive 1 can be wound around and fixed to the second rotating portion 4. The sandpaper 1 is connected to the first rotating part 3 in the same manner. Further, the mounting hole 43 may be replaced by a mounting groove.
The shell 2 is provided with a first connecting part 6 on the side wall close to the second rotating part 4, the first fixing part 5 is connected with the first connecting part 6 through threads, and one end of the first fixing part 5 can be propped against the side wall of the second rotating part 4. The first fixing portion 5 is rotated, and the first fixing portion 5 can move along the axial direction of the first connecting portion 6 under the action of threads, so that one side of the sand paper 1 is abutted against the first fixing portion 5, the other side of the sand paper 1 is abutted against the rotating rod 42, and further movement of the sand paper 1 relative to the shell 2 in the polishing process is reduced.
Further, a first non-slip sheet 7 is disposed at one end of the first fixing portion 5 near the second rotating portion 4. One side of the first non-slip sheet 7, which is close to the sand paper 1, is provided with an uneven surface, when the first non-slip sheet 7 is propped against the sand paper 1, the friction force between the first non-slip sheet 7 and the sand paper 1 can be increased, and then the stability of the first fixing part 5 after the sand paper 1 is fixed is increased.
Further, referring to fig. 7, a chute 25 is provided on the inner wall of the housing 2, and the first rotating portion 3 or the second rotating portion can move along the chute 25. In use, one end of the coated abrasive 1 is fixed to the rotating rod 42 and then wound around the rotating rod 42, and the first rotating portion 3 or the second rotating portion 4 around which the coated abrasive 1 is wound is moved into the housing 2 through the chute 25. It will be appreciated that in the version shown in fig. 7, the knob 41 may be omitted.
Embodiment two:
referring to fig. 1-4 and fig. 8, in comparison with the first embodiment, the number of the first fixing portions 5 is two, and the other first fixing portion 5 may also be disposed at one end of the housing 2 near the first rotating portion 3, where the end of the first fixing portion 5 near the one end of the first rotating portion 3 abuts against the housing 2, and the two first fixing portions 5 can fix the two ends of the sand paper 1 respectively, so as to avoid displacement of the sand paper 1 relative to the housing 2 during polishing, and ensure normal polishing.
Embodiment III:
referring to fig. 1-4, 9 and 10, compared with the first embodiment, the fixing manner of the sand paper 1 in this embodiment is different, specifically, the side wall of the casing 2, which is close to the second rotating portion 4, is provided with a second connecting portion 12, a second fixing portion 10 is movably provided on the second connecting portion 12, a limiting plate 8 is provided on the second fixing portion 10, a spring 9 is sleeved on the second fixing portion 10, one end of the spring 9 is connected with the limiting plate 8, the other end of the spring 9 is connected with the casing 2, and one end of the second fixing portion 10 can be abutted against the side wall of the second rotating portion 4. When the second fixing portion 10 is pulled and the end of the second fixing portion 10 is separated from the coated abrasive 1, the coated abrasive 1 can be moved, and at this time, the spring 9 is contracted and generates an elastic force. After the position of the sand paper 1 is adjusted, the second fixing part 10 is loosened, the elastic force of the spring 9 acts on the limiting plate 8 and the second fixing part 10, so that the second fixing part 10 moves towards the direction close to the second rotating part 4, and when the end part of the second fixing part 10 abuts against the surface of the sand paper 1, the sand paper 1 is fixed. In the present embodiment, the first non-slip sheet 7 may be provided at one end of the second fixing portion 10 near the second rotating portion 4.
It should be noted that, in combination with the second embodiment, the number of the second fixing portions 12 may be two, and the other second fixing portion 10 may be disposed at one end of the housing 2 near the first rotating portion 3, where the end of the second fixing portion 10 near the one end of the first rotating portion 3 abuts against the housing 2, and the two first fixing portions 5 may fix the two ends of the sand paper 1 respectively, so as to avoid displacement of the sand paper 1 relative to the housing 2 during polishing, and ensure normal polishing.
Embodiment four:
referring to fig. 1-4, 11 and 12, in this embodiment, compared with the embodiment, the fixing manner of the sand paper 1 is different, specifically, one end of the first fixing portion 5, which is close to the second rotating portion 4, is provided with a fixing plate 13, the fixing plate 13 is provided with a fixing rod 131, and the sand paper 1 is provided with a fixing hole 11 matched with the fixing rod 131. In the second embodiment, the second fixing portion 10 or the friction force between the first non-slip sheet 7 and the sand paper 1 is used to fix the sand paper 1, and in this embodiment, after the second rotating portion 4 moves, the fixing rod 131 on the fixing plate 13 can be inserted into the fixing hole 11 on the sand paper 1, so as to further increase the stability of the second fixing portion 10 after the sand paper 1 is fixed.
Fifth embodiment:
referring to fig. 1-4 and 13-15, the difference between this embodiment is that the housing 2 is separately arranged and has a charging roller 16, so that the material changing and charging are more convenient. Specifically, the housing 2 includes a first portion 2-1 and a second portion 2-2 detachably connected to the first portion 2-1, a mounting seat 15 is disposed on the first portion 2-1, a counter bore is disposed on the second portion 2-2 corresponding to the mounting seat 15, and a bolt 14 passes through the counter bore and then is connected to the mounting seat 15, so that the first portion 2-1 and the second portion 2-2 can be connected to form the housing 2. The first rotating part 3 is connected with a loading roller 16, one end of the sand paper 1 is connected with the loading roller 16, and the other end of the sand paper 1 is connected with the second rotating part 4.
Specifically, the side wall of the charging roller 16 is provided with a third through hole 161, the middle part of the charging roller 16 is provided with a fourth through hole 162 along the axial direction, the inner wall of the fourth through hole 162 is provided with a connecting slot 163, and the first rotating part 3 is provided with a connecting bar 31 matched with the connecting slot 163. In this embodiment, one end of the coated abrasive 1 is inserted into the third through-hole 161 and wound into a disc around the loading roller 16 for easy installation, storage, and transportation. When the sand paper grinder is installed and used, the shell 2 is opened, the charging roller 16 is sleeved on the first rotating part 3, the connecting groove 163 on the charging roller 16 is clamped into the connecting strip 31 on the first rotating part 3, then the shell 2 is combined, and the end part of the sand paper 1 bypasses the abutting part 22 and is connected with the second rotating part 4. In the present embodiment, the winding operation of the sand paper 1 is omitted in the installation mode of the sand paper 1, and the installation is more convenient and efficient.
Further, an elastic plate 17 is provided on the housing 2, a second non-slip sheet 18 is provided at an end of the elastic plate 17, the sand paper 1 is provided between the second non-slip sheet 18 and the housing 2, and after the elastic plate 17 is pressed, the second non-slip sheet 18 can be abutted against the housing 2.
The user holds the holding part 21 by hand, holds the sand paper 1 on the shell 2 by fingers, holds the sand paper 1 on the surface of the holding part 22 against the surface of the workpiece, then rubs the workpiece, and polishes the workpiece. After the part of participating in polishing on the abrasive paper 1 is worn, the first rotating part 3 and the second rotating part 4 are rotated, so that the abrasive paper 1 moves, the part of the abrasive paper 1 which does not participate in polishing is moved to the contact surface with a workpiece to be continuously processed, repeated cutting of the abrasive paper 1 is reduced, the abrasive paper 1 is uniformly stored, and polishing effect and efficiency are improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (10)
1. The utility model provides a handheld grinding device of rolling, its characterized in that includes casing (2), rotates and sets up first rotation portion (3) and second rotation portion (4), sand paper (1) and first fixed part (5) in casing (2), casing (2) are including holding portion (21) and supporting portion (22), sand paper (1) activity sets up the surface of supporting portion (22), the one end of sand paper (1) with first rotation portion (3) are connected the back and are convoluteed on first rotation portion (3), the other end of sand paper (1) with second rotation portion (4) are connected the back and are convoluteed on second rotation portion (4), first fixed part (5) activity sets up on casing (2), first fixed part (5) can be with sand paper (1) are fixed in casing (2) or first rotation portion (3) or second rotation portion (4).
2. A rolling hand-held grinding device according to claim 1, characterized in that the first rotating part (3) and the second rotating part (4) have the same structure, the second rotating part (4) comprises a rotating rod (42) rotatably arranged in the housing (2) and a knob (41) arranged at one end of the rotating rod (42), and a mounting hole (43) or a mounting groove is arranged on the side wall of the rotating rod (42).
3. A rolling hand-held grinding device according to claim 1, characterized in that a first connecting part (6) is arranged on the side wall of the housing (2), the first fixing part (5) is connected with the first connecting part (6) through threads, and one end of the first fixing part (5) can be abutted against the side wall of the second rotating part (4) or the housing (2).
4. The rolling type handheld polishing device according to claim 1, wherein a second connecting portion (12) is arranged on the side wall of the shell (2), a second fixing portion (10) is movably arranged on the second connecting portion (12), a limiting plate (8) is arranged on the second fixing portion (10), a spring (9) is sleeved on the second fixing portion (10), one end of the spring (9) is connected with the limiting plate (8), the other end of the spring (9) is connected with the shell (2), and one end of the second fixing portion (10) can be abutted to the side wall of the second rotating portion (4) or the shell (2).
5. A winding hand-held grinding device according to any one of claims 3 or 4, characterized in that the first fixed part (5) or the second fixed part (10) is provided with a first non-slip sheet (7) at one end near the second rotating part (4).
6. A rolling hand-held grinding device according to claim 4, characterized in that the end of the first fixing part (5) close to the second rotating part (4) is provided with a fixing plate (13), the fixing plate (13) is provided with a fixing rod (131), and the sand paper (1) is provided with a fixing hole (11) matched with the fixing rod (131).
7. A winding hand-held grinding device according to claim 1, characterized in that the inner wall of the housing (2) is provided with a chute (25), along which chute (25) the first rotating part (3) or the second rotating part (4) can move.
8. A roll-up hand-held grinding device according to claim 1, characterized in that the housing (2) comprises a first part (2-1) and a second part (2-2) detachably connected to the first part (2-1), the first rotating part (3) is connected with a loading roller (16), one end of the abrasive paper (1) is connected with the loading roller (16), and the other end of the abrasive paper (1) is connected with the second rotating part (4).
9. The rolling type handheld polishing device according to claim 8, wherein a third through hole (161) is formed in the side wall of the charging roller (16), a fourth through hole (162) is formed in the middle of the charging roller (16) in the axial direction, a connecting groove (163) is formed in the inner wall of the fourth through hole (162), and a connecting strip (31) matched with the connecting groove (163) is arranged on the first rotating portion (3).
10. The rolling type handheld polishing device according to claim 1, characterized in that an elastic plate (17) is arranged on the shell (2), a second anti-slip sheet (18) is arranged at the end part of the elastic plate (17), the sand paper (1) is arranged between the second anti-slip sheet (18) and the shell (2), and after the elastic plate (17) is pressed, the second anti-slip sheet (18) can be propped against the shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123135531.6U CN218984456U (en) | 2021-12-14 | 2021-12-14 | Hand-held grinding device of rolling type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123135531.6U CN218984456U (en) | 2021-12-14 | 2021-12-14 | Hand-held grinding device of rolling type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218984456U true CN218984456U (en) | 2023-05-09 |
Family
ID=86191934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123135531.6U Active CN218984456U (en) | 2021-12-14 | 2021-12-14 | Hand-held grinding device of rolling type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218984456U (en) |
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2021
- 2021-12-14 CN CN202123135531.6U patent/CN218984456U/en active Active
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