CN220839503U - Deep narrow slit abrasive belt polishing device - Google Patents
Deep narrow slit abrasive belt polishing device Download PDFInfo
- Publication number
- CN220839503U CN220839503U CN202322539643.0U CN202322539643U CN220839503U CN 220839503 U CN220839503 U CN 220839503U CN 202322539643 U CN202322539643 U CN 202322539643U CN 220839503 U CN220839503 U CN 220839503U
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- Prior art keywords
- abrasive belt
- tensioning
- belt
- bow
- polishing device
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- 238000005498 polishing Methods 0.000 title claims abstract description 70
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 9
- 239000003292 glue Substances 0.000 claims description 2
- 238000007517 polishing process Methods 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The utility model discloses a deep narrow slit abrasive belt polishing device which comprises a side polishing device and a bottom polishing device, wherein the side polishing device and the bottom polishing device can respectively polish the side surface and the bottom surface of a deep narrow slit, the side polishing device comprises a left half tensioning bow and a right half tensioning bow which are oppositely arranged and are bent, the distance between the left half tensioning bow and the right half tensioning bow can be adjusted through a threaded rod and a bidirectional threaded pipe which are arranged on the side polishing device, and the tension of an abrasive belt between the left half tensioning bow and the right half tensioning bow can be further adjusted. The belt tensioning device has the characteristics of reasonable structure and convenient operation, can tension the abrasive belt and can rapidly tension the abrasive belt again after the abrasive belt is loosened, and the belt tensioning device can effectively avoid the problem that the tension of the abrasive belt is rapidly reduced due to slight loosening of the abrasive belt in the polishing process because the abrasive belt is fixed on the rubber belt in the side polishing device.
Description
Technical Field
The utility model belongs to the field of precision machining, and particularly relates to a deep narrow slit abrasive belt polishing device.
Background
With the development of the mechanical industry and the continuous change of requirements, the variety of precision machining is more and more, and the quality requirements on the surface of parts are also higher and higher.
In the actual production of enterprises, some special mechanical parts exist in deeper and narrower gaps, such as hydraulic parts. Because of the engineering requirements of the part function and long service life, relatively deep and narrow grooves are designed on the part, and roughness requirements are imposed on all sides in the grooves. For example, the pressure equalizing groove on the piston for equalizing pressure and the deep narrow slit for installing the sealing ring have high requirements on the smoothness of the inner surface of the deep narrow slit to improve the service life of the sealing ring and reduce the damage of the surface of the deep narrow slit to the sealing ring. In the prior art, when polishing the side face of the deep narrow slit of a workpiece, the problem that the abrasive belt is loosened and difficult to adjust is solved, and the problem that the abrasive belt is loosened and difficult to adjust is solved.
Disclosure of Invention
In order to solve the problem that the polishing precision is reduced due to the fact that an abrasive belt is easy to loosen and the tension degree is reduced in the long-time polishing process of a workpiece, the utility model provides a polishing device which is not easy to loosen and is convenient to tension the abrasive belt, and the utility model provides a deep narrow-slit abrasive belt polishing device which comprises the following components: the side polishing device 20 is used for polishing the deep narrow slit side 301, the side polishing device 20 comprises a left half-tensioning bow 201 and a right half-tensioning bow 202 which are oppositely arranged and bent, a tensioning bow sleeve 210 is arranged on the horizontal end of the left half-tensioning bow 201 or the right half-tensioning bow 202, and the horizontal end of the right half-tensioning bow 202 or the left half-tensioning bow 201 which is not provided with the tensioning bow sleeve 210 is tightly attached to the inner diameter of the tensioning bow sleeve 210 and is inserted into the tensioning bow sleeve 210; the device further comprises a bidirectional threaded pipe 205 and threaded rods 206 arranged on vertical sections of the left half-tensioning bow 201 and the right half-tensioning bow 202, wherein threads with opposite directions are arranged in the end heads at the two ends of the bidirectional threaded pipe 205 and are used for respectively connecting the two threaded rods 206, and the left half-tensioning bow 201 and the right half-tensioning bow 202 can be mutually close to or far away from each other by rotating the bidirectional threaded pipe 205; rubber belts 204 are arranged between the two ends of the vertical sections of the left half-tensioning bow 201 and the right half-tensioning bow 202, the two ends of each rubber belt 204 are fixedly connected with the ends of the vertical sections of the left half-tensioning bow 201 and the right half-tensioning bow 202 respectively, and a second abrasive belt 203 is arranged on each rubber belt 204, and the friction surface of each second abrasive belt 203 faces to the side.
In a specific embodiment, the abrasive belt polishing device further comprises a bottom polishing device 10 for polishing the deep narrow slit bottom surface 302, wherein the bottom polishing device 10 comprises a first inverted U-shaped tensioning bow 101, and a first abrasive belt 102 is arranged between two vertical section ends of the first tensioning bow 101, and the friction surface of the first abrasive belt 102 faces downwards.
In a specific embodiment, a second belt fixing groove 207, a second belt pressing block 208 arranged in the second belt fixing groove 207, and a second fastening bolt 209 are provided at both ends of the vertical section of the left half tension bow 201 and the right half tension bow 202, and both ends of the rubber belt 204 are fixed in the second belt fixing groove 207 at both ends by the second fastening bolt 209 and the second belt pressing block 208, respectively.
In a specific embodiment, the two vertical segment ends of the first tensioning bow 101 are provided with a first abrasive belt fixing groove 103, a first abrasive belt pressing block 104 arranged in the first abrasive belt fixing groove 103, and a first fastening bolt 105, and the two ends of the first abrasive belt 102 are respectively fixed in the first abrasive belt fixing grooves 103 at the two ends by the first fastening bolt 105 and the first abrasive belt pressing block 104.
In a specific embodiment, the second abrasive belt 203 is glued to the rubber belt 204.
Compared with the prior art, the utility model has the following beneficial effects: the bottom surface polishing device and the side surface polishing device are arranged, the side surface polishing device can polish deep narrow slits of a workpiece, the left half-tensioning bow and the right half-tensioning bow which are provided with threaded rods are arranged independently, the distance between the left half-tensioning bow and the right half-tensioning bow is adjusted through a bidirectional threaded pipe, and therefore an abrasive belt can be tensioned, and the abrasive belt can be tensioned again rapidly after the abrasive belt loosens; the sand belt in the side polishing device is fixed on the rubber belt, so that the problem that the tension of the sand belt is rapidly reduced due to slight looseness of the sand belt in the polishing process can be avoided; the rubber belt and the abrasive belt are fixed in the abrasive belt fixing groove through the fastening bolts and the abrasive belt compacting blocks, and the belt clamping device has the advantage that the rubber belt and the abrasive belt are not easy to loosen.
Drawings
FIG. 1 is a block diagram of a side polishing apparatus according to an embodiment of the present utility model;
FIG. 2 is an exploded view of a side polishing apparatus according to one embodiment of the present utility model;
FIG. 3 is a block diagram of a bottom surface polishing apparatus according to an embodiment of the present utility model;
FIG. 4 is an exploded view of a bottom surface polishing apparatus according to one embodiment of the present utility model;
FIG. 5 is a schematic diagram illustrating the operation of a side polishing apparatus according to an embodiment of the present utility model;
FIG. 6 is a schematic view showing the operation of the bottom polishing apparatus according to an embodiment of the present utility model;
FIG. 7 is a schematic view of a deep slot configuration;
FIG. 8 is a cross-sectional view A-A of the deep slot structure of FIG. 7.
The names of the corresponding parts of the reference numerals in the drawings are as follows:
Detailed Description
The following detailed description of the present utility model refers to the accompanying drawings and specific embodiments thereof, it being understood that the specific embodiments described herein are for purposes of illustration and explanation only, and are not intended to limit the utility model.
As shown in fig. 1 to 8, the present utility model provides a deep slit abrasive belt polishing apparatus, which comprises a side polishing apparatus 20 and a bottom polishing apparatus 10, wherein the side polishing apparatus 20 and the bottom polishing apparatus 10 are used for polishing a deep slit side 301 and a deep slit bottom 302 respectively, the side polishing apparatus 20 and the bottom polishing apparatus 10 are not used simultaneously, and the deep slit abrasive belt polishing apparatus can be held by hand or fixed on other equipment according to the requirement for polishing a workpiece. The side polishing device 20 comprises a left half-tensioning bow 201 and a right half-tensioning bow 202 which are oppositely arranged in a bent shape, a tensioning bow sleeve 210 is arranged on the horizontal end of the left half-tensioning bow 201 or the right half-tensioning bow 202, the horizontal end of the right half-tensioning bow 202 or the left half-tensioning bow 201 which is not provided with the tensioning bow sleeve 210 is tightly attached to the inner diameter of the tensioning bow sleeve 210 and is inserted into the tensioning bow sleeve 210, and the tensioning bow sleeve 210 plays a role in stabilizing and guiding in the adjusting process of the side polishing device 20; also included is a bi-directional threaded tube 205 and threaded rods 206 disposed on the vertical sections of the left half-tensioner 201 and right half-tensioner 202. Rubber belts 204 are arranged between the two ends of the vertical sections of the left half-tensioning bow 201 and the right half-tensioning bow 202, and the two ends of each rubber belt 204 are fixedly connected with the ends of the vertical sections of the left half-tensioning bow 201 and the right half-tensioning bow 202 respectively, wherein the connection modes can be gluing, binding and the like; and a second sanding belt 203 is arranged on the rubber belt 204, the second sanding belt 203 is adhered to the rubber belt 204 through glue, the length of the second sanding belt 203 is required to be smaller than the length of the rubber belt 204 for fixing the rubber belt 204, and the friction surface of the second sanding belt 203 faces to the side. Wherein, the two ends of the two-way threaded pipe 205 are internally provided with threads with opposite directions for respectively connecting the two threaded rods 206, and the two-way threaded pipe 205 can be rotated in different directions to enable the left half-tensioning bow 201 and the right half-tensioning bow 202 to be close to or far away from each other, so as to adjust the tension of the rubber belt 204 and the second abrasive belt 203. The abrasive belt polishing device further comprises a bottom surface polishing device 10 for polishing the bottom surface 302 of the deep narrow slit, the bottom surface polishing device 10 comprises a first inverted U-shaped tensioning bow 101, a first abrasive belt 102 is arranged between two vertical section ends of the first tensioning bow 101, and the friction surface of the first abrasive belt 102 faces downwards.
As a preferred embodiment of the present utility model, in order to further ensure that the sanding belt is not easily loosened during polishing and to facilitate replacement of the sanding belt or the rubber belt, both ends of the vertical sections of the left half-tension bow 201 and the right half-tension bow 202 are provided with a second sanding belt fixing groove 207, a second sanding belt pressing block 208 arranged in the second sanding belt fixing groove 207, and a second fastening bolt 209, both ends of the rubber belt 204 are respectively fixed in the second sanding belt fixing grooves 207 at both ends by the second fastening bolt 209 and the second sanding belt pressing block 208, specifically, by rotating the second fastening bolt 209 through bolt holes arranged on the second sanding belt fixing groove 207 and matched with the second fastening bolt, so that the stud ends of the second fastening bolt 209 press the second sanding belt pressing block 208, thereby pressing the sanding belt by the second sanding belt pressing block 208, and the second sanding belt pressing block 208 plays a role of increasing the contact area. Similarly, the two vertical section ends of the first tensioning bow 101 are respectively provided with a first abrasive belt fixing groove 103, a first abrasive belt compressing block 104 arranged in the first abrasive belt fixing groove 103 and a first fastening bolt 105, the two ends of the first abrasive belt 102 are respectively fixed in the first abrasive belt fixing grooves 103 at the two ends by the first fastening bolt 105 and the first abrasive belt compressing block 104, specifically, the first fastening bolt 105 is rotated to pass through bolt holes arranged on the first abrasive belt fixing groove 103 and matched with the first abrasive belt fixing groove, so that the stud ends of the first fastening bolt 105 compress the first abrasive belt compressing block 104, the first abrasive belt compressing block 104 compresses the abrasive belt, and the first abrasive belt compressing block 104 plays a role of increasing the contact area.
The deep narrow slit abrasive belt polishing device carries out the working procedure of deep narrow slit bottom surface polishing: as shown in fig. 6, the part to be machined 30 is held on the part fixture 40, and the part to be machined 30 is rotated at a low speed along the axis; first abrasive belt 102 is then lightly pressed against deep slot floor 302 of part 30 to be machined using assembled floor finish 10 and first abrasive belt 102 is maintained parallel to the axial direction of the part. Thereby realizing the polishing process of the deep narrow slit bottom surface 302 and reducing the roughness of the deep narrow slit bottom surface 302.
The deep narrow slit abrasive belt polishing device carries out the working procedure of deep narrow slit side polishing: as shown in fig. 5, first, the part to be machined 30 is held on the part fixture 40, and the part to be machined 30 is rotated at a low speed along the axis; then, the side polishing device 20 is assembled, and the rubber belt 204 and the second abrasive belt 203 are adjusted to be at a proper tension by rotating the bidirectional threaded pipe 205; finally, rubber belt 204 and second abrasive belt 203 are placed in deep slot 300 and pressed lightly against one of deep slot sides 301 of part 30 to be machined, maintaining second abrasive belt 203 parallel to deep slot sides 301. After polishing is completed, the other deep slit side 301 is polished in the same manner. Wherein the rubber belt 204 and the second abrasive belt 203 must be provided with a suitable tension for preventing the polishing quality from being affected by excessive deformation of the second abrasive belt 203 when polishing the deep slit side 301.
The foregoing is a further detailed description of the utility model in connection with specific preferred embodiments, and is not intended to limit the practice of the utility model to such description. It will be apparent to those skilled in the art that several simple deductions and substitutions can be made without departing from the spirit of the utility model, and these are considered to be within the scope of the utility model.
Claims (5)
1. A deep narrow slit abrasive belt polishing device is characterized in that: the abrasive belt polishing device comprises a side polishing device (20) for polishing a deep narrow slit side (301), wherein the side polishing device (20) comprises a left half-tensioning arch (201) and a right half-tensioning arch (202) which are oppositely arranged in a bent shape, a tensioning arch sleeve (210) is arranged on the horizontal end of the left half-tensioning arch (201) or the right half-tensioning arch (202), and the horizontal end of the right half-tensioning arch (202) or the left half-tensioning arch (201) which is not provided with the tensioning arch sleeve (210) is tightly attached to the inner diameter of the tensioning arch sleeve (210) and is inserted into the tensioning arch sleeve (210); the device further comprises a bidirectional threaded pipe (205) and threaded rods (206) arranged on vertical sections of the left half-tensioning bow (201) and the right half-tensioning bow (202), wherein threads with opposite directions are arranged in the end heads at two ends of the bidirectional threaded pipe (205) and are used for respectively connecting the two threaded rods (206), and the left half-tensioning bow (201) and the right half-tensioning bow (202) can be mutually close to or far away from each other by rotating the bidirectional threaded pipe (205); rubber belts (204) are arranged between the two ends of the vertical sections of the left half-tensioning bow (201) and the right half-tensioning bow (202), the two ends of each rubber belt (204) are fixedly connected with the ends of the vertical sections of the left half-tensioning bow (201) and the right half-tensioning bow (202) respectively, a second abrasive belt (203) is arranged on each rubber belt (204), and the friction surface of each second abrasive belt (203) faces to the side surface.
2. A deep slit abrasive belt polishing apparatus as defined in claim 1, wherein: the abrasive belt polishing device further comprises a bottom surface polishing device (10) for polishing the bottom surface (302) of the deep narrow slit, the bottom surface polishing device (10) comprises a first inverted U-shaped tensioning bow (101), a first abrasive belt (102) is arranged between two vertical section ends of the first tensioning bow (101), and the friction surface of the first abrasive belt (102) faces downwards.
3. A deep slit abrasive belt polishing apparatus as defined in claim 1, wherein: the two ends of the vertical section of the left half tension bow (201) and the right half tension bow (202) are respectively provided with a second abrasive belt fixing groove (207), a second abrasive belt compressing block (208) arranged in the second abrasive belt fixing groove (207), and a second fastening bolt (209), and the two ends of the rubber belt (204) are respectively fixed in the second abrasive belt fixing grooves (207) at the two ends by the second fastening bolt (209) and the second abrasive belt compressing block (208).
4. A deep slit abrasive belt polishing apparatus as claimed in claim 2, wherein: the two vertical section ends of the first tensioning bow (101) are respectively provided with a first abrasive belt fixing groove (103), a first abrasive belt compressing block (104) arranged in the first abrasive belt fixing groove (103) and a first fastening bolt (105), and the two ends of the first abrasive belt (102) are respectively fixed in the first abrasive belt fixing grooves (103) at the two ends by the first fastening bolt (105) and the first abrasive belt compressing block (104).
5. A deep slit abrasive belt polishing apparatus as defined in claim 1, wherein: the second abrasive belt (203) is adhered to the rubber belt (204) through glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322539643.0U CN220839503U (en) | 2023-09-19 | 2023-09-19 | Deep narrow slit abrasive belt polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322539643.0U CN220839503U (en) | 2023-09-19 | 2023-09-19 | Deep narrow slit abrasive belt polishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220839503U true CN220839503U (en) | 2024-04-26 |
Family
ID=90741435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322539643.0U Active CN220839503U (en) | 2023-09-19 | 2023-09-19 | Deep narrow slit abrasive belt polishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220839503U (en) |
-
2023
- 2023-09-19 CN CN202322539643.0U patent/CN220839503U/en active Active
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