CN113580003A - Sand ring shaft, polishing assembly and polishing machine - Google Patents
Sand ring shaft, polishing assembly and polishing machine Download PDFInfo
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- CN113580003A CN113580003A CN202110906729.5A CN202110906729A CN113580003A CN 113580003 A CN113580003 A CN 113580003A CN 202110906729 A CN202110906729 A CN 202110906729A CN 113580003 A CN113580003 A CN 113580003A
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- 238000005498 polishing Methods 0.000 title claims description 27
- 230000007704 transition Effects 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 19
- 239000004576 sand Substances 0.000 description 17
- 229910001651 emery Inorganic materials 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 206010063659 Aversion Diseases 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B45/00—Means for securing grinding wheels on rotary arbors
- B24B45/003—Accessories therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention provides a ring shaft, a grinding assembly and a grinding machine, which comprise a head part and a rod part, wherein one end of the head part is connected with one end of the rod part, and the head part comprises: the traction section is of a cylindrical structure; the limiting section is arranged between the traction section and the rod part, and the radial diameter of the limiting section from the traction section to the rod part is sequentially increased. According to the invention, the loose and tight fit mode between the sand ring shaft and the sand ring is designed into a clearance fit and interference fit alternative fit mode, so that the stability of the sand ring in the working process is ensured, the sand ring can be easily mounted and dismounted on the sand ring shaft, the safety of the grinding work is ensured, and the grinding efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of polishing equipment, and particularly relates to a grinding ring shaft, a polishing assembly and a polishing machine.
Background
The sand ring has the advantages of multiple colors, low price, high speed, safety, simple assembly and disassembly, easy operation and the like in use, and has high market share in polishing. The sand ring needs to be sleeved on the sand ring shaft for use in the using process, and the sand ring shaft directly influences the polishing effect of the sand ring. When the sand ring is selected for polishing operation, only the sand ring needs to be replaced, and the sand ring shaft can be repeatedly used.
In the nail and foot beautifying industry, the society develops rapidly, so that people pay more and more attention to the safety and sanitation problems in the nail beautifying process while pursuing beauty. Disposable sanding is also becoming a representative means of safety and hygiene. The sand ring has the advantages of being easy to attract customers due to multiple colors, low in price, capable of being directly replaced after being used, convenient to use and the like, and becomes a nail beautifying tool which is more willing to be selected by a plurality of nail beautifying doctors. In the using process, the grinding ring is arranged on the grinding ring shaft, the handle of the grinding ring shaft is inserted into the grinding machine, and the grinding machine rotates to drive the grinding ring to rotate, so that nail polish glue on the nail is removed, and the nail is carved, ground and polished.
The sand ring is fixed on the sand ring shaft for use, so the design of the sand ring shaft directly influences the use effect. There is certain defect in the sand circle axle in the market, first: the rod part and the head part of the sand ring shaft are integrally formed by stainless steel materials, the head part of the sand ring shaft is designed by knurling, the concentricity between the rod part and the head part is poor, the vibration sense is strong in actual use, and the uncomfortable sense is easily caused to customers; (ii) a Secondly, the method comprises the following steps: the fit between the sand ring and the sand ring shaft is not good. The sand ring is difficult to take down due to the interference fit of the sand ring and the sand ring shaft, so that troubles are caused for the replacement of the sand ring; thirdly, the method comprises the following steps: the sand ring and the sand ring shaft are in clearance fit, and the sand ring shaft has the risk of moving away from the sand ring shaft when rotating at a high speed, particularly when the nail is polished under the high-speed rotation.
Disclosure of Invention
In order to solve the problems, the invention provides a grinding ring shaft, a grinding assembly and a grinding machine, which are convenient for safe, convenient and efficient grinding work.
An axle for a ferrule comprising a head portion and a shank portion, one end of the head portion being connected to one end of the shank portion, the head portion comprising:
the traction section is of a cylindrical structure;
the spacing section is arranged between the traction section and the rod part, the radial diameter of the traction section in the rod part direction is sequentially increased progressively, the spacing section is of a round platform-shaped structure in a three-dimensional structure, and the sand ring can be limited and fixed during specific assembly.
Further preferably, the outer side wall of the limiting section is provided with limiting teeth, and the limiting teeth are helical teeth arranged circumferentially. Through setting up the skewed tooth, under the circumstances of sand ring axle at high-speed rotation, spacing tooth can be firmly block the sand ring, prevents that it from producing the aversion, influences the effect of polishing.
The spacing section includes:
the limiting section A is arranged close to one side of the traction section, and the top end of the limiting tooth at the part A of the limiting section is sharp;
the limiting section B is close to one side of the rod part, and the top end of the limiting teeth of the limiting section B part is smoothly arranged.
The different settings of the different sharp-pointed degrees of different positions can be carried out to spacing tooth under the effect of the fixed sand circle of guarantee, the sand circle of being convenient for dismantle, has stronger practicality in the actual work.
Further preferably, the axis of the limiting tooth and the axis of the whole sand ring shaft are 2-80 degrees.
In the actual working process, the acting force direction is perpendicular to the tangent oblique angle line, the angle between the limiting tooth and the axis of the whole sand ring shaft is limited between 2 degrees and 80 degrees, and the direction of the acting force is ensured to face the rod part. If the angle is larger than 90 degrees, the reaction force direction faces the head, and the sand ring is easy to move towards the head, so that the normal use is influenced.
The number of the limiting teeth is 20-100, and the arrangement of the plurality of limiting racks can ensure that the inner wall of the sand ring and the outer wall of the sand ring shaft have more contact points, so that the stability of the sand ring in the polishing process is further ensured.
The diameter difference between one end of the limiting section close to the rod part and one end of the limiting section close to the traction section is 0.02-0.06 mm.
Further preferably, the sand ring shaft further comprises:
the supporting section is arranged between the limiting section and the rod part;
wherein the support section comprises:
the transition section is arranged on one side close to the limiting section and connected with the limiting section, and the axial section of the transition section is of a sub-waist structure;
the fixing section is arranged on one side close to the rod part, and the diameter of the fixing section is the same as that of the supporting section close to the limiting section.
When the aim at that the support section is designed in a segmented mode supports the sand ring for fixing, the transition section is designed to facilitate the disassembly of the sand ring, and when the sand ring is further fixed, the purposes of convenience and high efficiency are further met.
Further preferably, the concave depth of the transition section is 0.05-0.50 mm.
Further preferably, the sand ring shaft further comprises:
the front section of the stopping section is connected with the supporting section, the rear section of the stopping section is connected with the rod part, the diameter of the front section of the stopping section is smaller than that of the fixing section, and the diameter of the rear section of the stopping section is larger than that of the supporting section.
The diameter difference between the front section of the stopping section and the fixed section is 0.1-1.0 mm.
Through the setting of backstop section, when not increasing the sand circle installation degree of difficulty, play the effect of backstop to the sand circle, make the sand circle axle at high-speed moving in-process, the sand circle can not be because of the factor of reaction force thinks the pole portion and takes place the displacement, influences the effect of polishing.
Further preferably, the sand ring shaft further comprises:
the guide section, the guide section set up in the head is kept away from the one end of pole portion, the guide section is kept away from the one end chamfer setting of pole portion. The purpose of chamfering the guide section is as follows: when the sand ring is installed, the chamfer is utilized to guide the sand ring to move, and meanwhile, the effect of safe chamfer is achieved, so that the skin is prevented from being scratched when the right angle is used
The chamfer length of the guide section is 0.2-1.5mm, and the chamfer degree is 10-60 degrees.
The invention also provides a grinding assembly, which comprises the sand ring shaft and the sand ring, wherein the sand ring is sleeved on the sand ring shaft;
the sand ring is installed with the traction section in a clearance fit manner;
and/or;
the sand ring is installed with the limiting section in an interference fit manner;
and/or;
the sand ring and the transition section are installed in a clearance fit manner;
and/or;
the sand ring is installed with the fixed section in an interference fit manner;
and/or;
the sand ring is installed in clearance fit with the front section of the stopping section.
Through the design of the loose and tight fit mode between the sand ring shaft and the sand ring as the discontinuous fit mode, the sand ring can be easily installed and detached on the sand ring shaft while the stability of the sand ring in work is ensured.
Further preferably, the difference between the inner diameter of the sand ring and the outer diameter of the traction section is 0.01-0.03 mm;
and/or;
the difference between the outer diameter of the limiting section A and the inner diameter of the sand ring is 0.02-0.04 mm;
and/or;
the difference between the outer diameter of the limiting section B and the inner diameter of the sand ring is 0.06-0.08 mm.
The invention also provides a grinding machine which comprises a driving mechanism and the grinding assembly, wherein the free end of the rod part of the grinding assembly is connected with the output end of the driving mechanism, and the driving mechanism is used for driving the grinding assembly to act.
The grinding ring shaft, the grinding assembly and the grinding machine have the following advantages:
1. the loose and tight fit mode between the sand ring shaft and the sand ring is designed into a clearance fit and interference fit alternative fit mode, so that the sand ring can be easily mounted and dismounted on the sand ring shaft while the stability of the sand ring in the working process is guaranteed, and the safety and the grinding efficiency of the grinding work are improved;
2. the right-handed limiting teeth are arranged on the limiting sections, so that the force bearing direction of the sand ring is towards the rod part direction of the sand ring shaft during high-speed rotation polishing, and the limiting teeth on the sand ring shaft tightly grasp the sand ring at the moment, so that the sand ring is prevented from moving away from the sand ring shaft, the stability between the sand ring and the sand ring shaft is improved, and the situation that the sand ring is displaced under the condition of high-speed rotation of the sand ring shaft is avoided;
3. the limit teeth are arranged in different positions with different degrees of sharpness, so that the sand ring can be conveniently detached under the condition of ensuring the effect of fixing the sand ring, and the limit teeth have stronger practicability in actual work;
4. the supporting section is arranged on the sand ring shaft, and the transition section of the supporting section is in clearance fit with the sand ring, so that the contact area between the sand ring and the sand ring shaft can be reduced, and the situation that the whole sand ring is tightly attached to the sand ring shaft and is difficult to remove when the sand ring is replaced is prevented; the fixing section of the supporting section is in interference fit with the sand ring, so that the secondary fixing effect is achieved on the sand ring, and the purpose of supporting the sand ring is achieved; the whole supporting section is mounted with the sand ring in a clearance fit manner and also in an interference fit manner, the sand ring can be conveniently detached while being fixed, and convenience is greatly improved;
5. through set up the backstop section between support section and pole portion, when the emery ring of being convenient for is installed at the emery ring epaxial, the back end diameter of backstop section is greater than the diameter of supporting the section, can carry out the backstop to it when the emery ring moves towards emery ring axle pole portion direction, prevents that it from producing the displacement, influences the effect of polishing.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a sand ring shaft provided in an embodiment of the present application;
fig. 2 shows a schematic structural diagram of a sand ring shaft limiting section provided in an embodiment of the present application;
FIG. 3 shows a schematic cross-sectional A-A structural view of an embodiment of the present application;
FIG. 4 shows a schematic structural diagram of a section B-B of an embodiment of the present application;
fig. 5 shows a force-bearing schematic diagram of the sand ring provided by the embodiment of the application in the working process.
In the figure:
100-a head; 200-a shaft portion;
110-a guide section; 120-a traction section; 130-a limiting section; 131-limit teeth; 132-a spacing section A; 133-limiting section B; 140-a support section; 141-a transition section; 142-a stationary section; 150-stop section.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
The embodiment of the application provides a polisher, including actuating mechanism and the subassembly of polishing, actuating mechanism is used for the drive the subassembly action of polishing, the subassembly of polishing includes sand ring and sand ring axle, the sand ring cover is located the sand ring is epaxial.
The grinding ring shaft is suitable for being used with the grinding ring in a matched mode, the grinding ring is sleeved on the grinding ring shaft, the driving mechanism drives the grinding assembly formed by the grinding ring shaft and the grinding ring to move, and therefore the purpose of grinding the object is achieved. The sand ring is a gauze ring or a sand paper ring, and the material is softer. Can carry out the deformation of certain degree, and do not influence the effect of polishing.
Referring to fig. 1, fig. 1 shows a schematic structural diagram of a sand ring shaft according to an embodiment of the present disclosure. As shown in fig. 1, the grommet shaft includes a head portion 100 and a shaft portion 200, the head portion 100 being located at the foremost end of the grommet shaft, and one end of the head portion 100 being connected to one end of the shaft portion 200. The head 100 is mainly composed of 5 segments, and specifically includes: the guide section 110, the traction section 120, the limiting section 130, the support section 140, the stopping section 150 and the 5 sections are arranged in sequence.
One end of the guide section 110 far away from the traction section 120 is chamfered, the chamfer length is 0.2-1.5mm, and the chamfer degree is 10-60 degrees. The purpose of chamfering the guide section 110 is to: when the sand ring is installed, the chamfer is utilized to guide the sand ring to move, and meanwhile, the effect of safe chamfer is achieved, and the skin is prevented from being scratched by a right angle when the sand ring is used.
The other end of the guiding segment 110 is connected to one end of the pulling segment 120, the pulling segment 120 is a cylindrical structure, the outer diameter of the pulling segment 120 is slightly smaller than the inner diameter of the sand ring, illustratively, the difference between the inner diameter of the sand ring and the outer diameter of the pulling segment 120 in this embodiment is 0.01-0.03mm, and further, the difference between the inner diameter of the sand ring and the outer diameter of the pulling segment 120 in this embodiment is specifically 0.02 mm. In the process of specifically installing the sand ring, the sand ring is sleeved on the sand ring shaft through the guide sections 110 and the traction section 120, so that the installation efficiency is improved.
The limiting section 130 is arranged on one side, close to the rod part 200, of the traction section 120, and is fixedly connected with the traction section 120, the radial diameter of the limiting section 130 from the traction section to the rod part is sequentially increased in the direction of the rod part, namely, the embodying form of the limiting section 130 in a three-dimensional structure is a circular truncated cone-shaped structure, the axial cross section of the limiting section 130 is in a trapezoidal shape, and the larger end of the limiting section 130 is close to one side of the rod part 200. The outer diameter of one end of the limiting section 130 close to the pulling section 120 is slightly larger than the inner diameter of the sand ring in practical use, and exemplarily, the designed size of the present embodiment is as follows: the difference between the outer diameter of the smaller end of the limiting section 130 and the inner diameter of the sand ring is 0.02mm to 0.04 mm; the difference between the outer diameter of the larger end of the limiting section 130 and the inner diameter of the sand ring is 0.06mm to 0.08 mm; although the diameter of the limiting section 130 is slightly larger than the inner diameter of the sand ring, the sand ring and the limiting section 130 are installed in an interference fit manner in the installation process, the material is soft, and the grinding effect of the sand ring is not affected when the sand ring is deformed to a certain degree, and the circular truncated cone-shaped structure of the limiting section 130 limits and fixes the sand ring for the first time.
Furthermore, the outer side wall of the limiting section 130 is provided with limiting teeth 131, and the limiting teeth 131 are right-handed helical teeth arranged circumferentially. Through setting up the skewed tooth, accomplish supporting installation back when sand circle and sand circle axle, in the course of the work of carrying out the work of polishing, under the high-speed rotatory circumstances of sand circle axle, spacing tooth 131 blocks the sand circle firmly, prevents that it from producing the aversion, influences the effect of polishing.
Further, please refer to fig. 2, and fig. 2 shows a schematic structural diagram of the sand ring shaft limiting section provided in the embodiment of the present application. As shown in fig. 2, the limiting section 130 includes: a limiting section a132 and a limiting section B133, wherein the limiting section a132 is disposed on a side close to the traction section 102, the limiting section B133 is disposed on a side far from a larger end of the limiting section 130, and a top end of a limiting tooth 131 of the limiting section a132 is disposed in a sharp manner, please refer to fig. 3, which illustrates a schematic sectional structure of a-a in the embodiment of the present application; the sharp-pointed setting in top of spacing section A132 portion spacing tooth 131 for the emery ring cooperatees with the emery ring axle, and the card that is firmly on the emery ring cloth of the inside wall of emery ring at the spacing tooth 131 of the sharp portion in-process top of the work of polishing, can not shift in order to ensure the emery ring when using, and then ensured the effect of polishing.
The limiting section 130 further comprises: a limiting section B133, the limiting section B133 is disposed near one side of the rod portion, and the top end of the limiting teeth 131 of the limiting section B133 is disposed smoothly, please refer to fig. 4, fig. 4 shows a schematic sectional structure view B-B of the embodiment of the present application, further, a difference between a diameter of one end of the limiting section 130 near the rod portion 200 and a diameter of one end near the traction section 120 is 0.02-0.06 mm. From spacing section A132 to the in-process of spacing section B133 transition, its diameter grow gradually, and the sand circle is installed with spacing section 130 progressively interference fit, and area of contact enlarges gradually, and spacing fixed effect is showing gradually, for the installation of being convenient for of guarantee sand circle with take off, spacing tooth 131 in spacing section B133 portion adopts smooth design.
Furthermore, the axis of the limiting teeth 131 and the axis of the whole sand ring shaft are 2-80 degrees, the number of the limiting teeth 131 is 20-100, and the plurality of limiting teeth 131 can ensure that more contact points are arranged on the inner wall of the sand ring and the outer wall of the sand ring shaft, so that the stability of the sand ring shaft in the polishing process is further ensured.
In the actual use process, in order to ensure that the sand ring can be conveniently and quickly taken down from the sand ring shaft, the structure of the sand ring shaft is further optimized. The method specifically comprises the following steps: a support section 140 is disposed between the rod portion 200 and the position-limiting section 130 of the sand ring shaft, and the support section 140 includes:
the transition section 141 is arranged on one side close to the limiting section 130 and connected with the limiting section 130, and the axial section of the transition section 141 is of a sub-waist structure; the sub-kidney-shaped structure is a shape with a thin middle part and two thick ends, the appearance in a three-dimensional structure is that the two thick ends and the middle part are thin, and the structure is similar to an hourglass structure, and the structure can enable the sand ring and the transition section 141 to be installed in a clearance fit mode. Illustratively, in this embodiment, the concave depth of the transition section 141 is 0.05-0.50mm, and the width is 2-3mm, and by designing the concave arc of the transition section 141, the contact area between the sand ring and the sand ring shaft can be reduced, and when the sand ring is replaced, the situation that the whole sand ring is tightly attached to the sand ring shaft and is difficult to remove is prevented.
The fixing section 142 is arranged on one side close to the rod part 200, the diameter of the fixing section 142 is the same as that of the supporting section 140 close to the limiting section 130, the width of the fixing section 142 is 0.2mm to 1.0mm, the diameter of the fixing section 142 is the same as that of the larger end of the limiting section 130, and therefore the fixing section 142 and the sand ring are installed in an interference fit mode, the interference fit installation is a secondary interference fit mode, the secondary fixing effect is achieved on the sand ring, and the purpose of supporting the sand ring is achieved at the same time. The whole supporting section 140 is mounted with the sand ring in a clearance fit manner and also in an interference fit manner, so that the sand ring can be conveniently detached while being fixed, and convenience is well guaranteed.
Referring to fig. 5, fig. 5 is a schematic diagram illustrating a stress of the sand ring in the working process according to the embodiment of the present application. As shown in fig. 5, in the process of specific work of the polishing machine, the output end of the driving mechanism drives the sand ring shaft of the polishing assembly to rotate clockwise, and then the sand ring shaft drives the sand ring to rotate clockwise, at this time, the force direction of the sand ring is towards the shaft part of the sand ring, so that the direction of the sand ring is towards the shaft part of the sand ring instead of towards the head part, and the sand ring moves towards the shaft part easily to generate displacement, thereby affecting the polishing effect. In this regard, we have made further structural optimizations. A stopping section 150 is arranged between the supporting section 140 and the rod section 200, a front section of the stopping section 150 is connected with the supporting section 140, a rear section of the stopping section 150 is connected with the rod section 200, a diameter of the front section of the stopping section 150 is smaller than a diameter of the fixing section 142 of the supporting section 140, and a diameter of the rear section of the stopping section 150 is larger than a diameter of the supporting section 140. The front section of the stopping section 150 and the rear section of the stopping section 150 are combined with the fixing section 142 to form a groove-shaped structure, when the sand ring is sleeved on the head 100 of the sand ring shaft and is further pushed by the fixing section 142, the sand ring can be easily pushed forwards and is installed to a preset fixed position, meanwhile, the diameter of the rear section of the stopping section 150 is larger than that of the supporting section 140, the sand ring can be stopped when moving towards the direction of the shaft part of the sand ring, and the sand ring is prevented from being displaced and affecting the polishing effect. Illustratively, the diameter difference between the front section diameter of the stopping section 150 and the diameter difference between the fixing sections 142 in the present embodiment is 0.1-1.0 mm.
The elasticity is the discontinuous cooperation with tight cooperation between the sand circle axle in this application embodiment and the sand circle, makes the sand circle can easily plug on the sand circle axle. Specifically, the sand ring is installed in a clearance fit with the traction section 120, and illustratively, the difference between the inner diameter of the sand ring and the outer diameter of the traction section 120 is 0.01-0.03 mm; and/or; the sand ring is installed in an interference fit with the limiting section 130, for example, the difference between the outer diameter of the limiting section a132 and the inner diameter of the sand ring is 0.02-0.04mm, and the difference between the outer diameter of the limiting section B133 and the inner diameter of the sand ring is 0.06-0.08 mm; and/or; the sand ring and the transition section 141 are installed in a clearance fit manner; and/or; the sand ring is installed with the fixed section 142 in an interference fit manner; and/or; the sand ring is installed in clearance fit with the front section of the stopping section 150.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a sand ring axle, includes head and pole portion, the one end of head with the one end of pole portion is connected its characterized in that: the head includes:
the traction section is of a cylindrical structure;
the limiting section is arranged between the traction section and the rod part, and the radial diameter of the limiting section from the traction section to the rod part is sequentially increased.
2. The ferrule shaft according to claim 1, wherein:
the outer side wall of the limiting section is provided with limiting teeth which are helical teeth arranged circumferentially;
the spacing section includes:
the limiting section A is arranged close to one side of the traction section, and the top end of the limiting tooth at the part A of the limiting section is sharp;
the limiting section B is close to one side of the rod part, and the top end of the limiting teeth of the limiting section B part is smoothly arranged.
3. The ferrule shaft according to claim 2, wherein:
the axis of the limiting tooth and the axis of the whole sand ring shaft are 2-80 degrees;
the number of the limiting teeth is 20-100;
the diameter difference between one end of the limiting section close to the rod part and one end of the limiting section close to the traction section is 0.02-0.06 mm.
4. The ferrule shaft according to claim 1, wherein: the sand ring shaft further comprises:
the supporting section is arranged between the limiting section and the rod part;
wherein the support section comprises:
the transition section is arranged on one side close to the limiting section and connected with the limiting section, and the axial section of the transition section is of a sub-waist structure;
the fixing section is arranged on one side close to the rod part, and the diameter of the fixing section is the same as that of the supporting section close to the limiting section.
5. The ferrule shaft according to claim 4, wherein: the concave depth of the transition section is 0.05-0.50 mm.
6. The ferrule shaft according to any one of claims 1-5, wherein: the sand ring shaft further comprises:
the front section of the stopping section is connected with the supporting section, the rear section of the stopping section is connected with the rod part, the diameter of the front section of the stopping section is smaller than that of the fixing section, and the diameter of the rear section of the stopping section is larger than that of the supporting section;
the diameter difference between the front section of the stopping section and the fixed section is 0.1-1.0 mm.
7. The ferrule shaft according to claim 6, wherein: the sand ring shaft further comprises:
the guide section is arranged at one end, far away from the rod part, of the head part, and the end, far away from the rod part, of the guide section is arranged in a chamfer way;
the chamfer length of the guide section is 0.2-1.5mm, and the chamfer degree is 10-60 degrees.
8. A subassembly of polishing which characterized in that: the sand ring comprises the sand ring shaft and the sand ring according to claim 7, wherein the sand ring is sleeved on the sand ring shaft;
the sand ring is installed with the traction section in a clearance fit manner;
and/or;
the sand ring is installed with the limiting section in an interference fit manner;
and/or;
the sand ring and the transition section are installed in a clearance fit manner;
and/or;
the sand ring is installed with the fixed section in an interference fit manner;
and/or;
the sand ring is installed in clearance fit with the front section of the stopping section.
9. The ferrule shaft according to claim 8, wherein:
the difference between the inner diameter of the sand ring and the outer diameter of the traction section is 0.01-0.03 mm;
and/or;
the difference between the outer diameter of the limiting section A and the inner diameter of the sand ring is 0.02-0.04 mm;
and/or;
the difference between the outer diameter of the limiting section B and the inner diameter of the sand ring is 0.06-0.08 mm.
10. A sander, characterized by: comprising a driving mechanism and the grinding assembly as claimed in claim 8 or 9, wherein the free end of the rod part of the grinding assembly is connected with the output end of the driving mechanism, and the driving mechanism is used for driving the grinding assembly to act.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906729.5A CN113580003B (en) | 2021-08-09 | 2021-08-09 | Sand ring shaft, polishing assembly and polisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906729.5A CN113580003B (en) | 2021-08-09 | 2021-08-09 | Sand ring shaft, polishing assembly and polisher |
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| CN113580003A true CN113580003A (en) | 2021-11-02 |
| CN113580003B CN113580003B (en) | 2024-04-19 |
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| US20100083975A1 (en) * | 2008-10-07 | 2010-04-08 | Sofi Nails, Inc. | Rotary Nailcare Device with Mandrel Bit for Nail Shaping, Filing, and Polishing |
| CN107263343A (en) * | 2017-06-28 | 2017-10-20 | 浙江宏泰锆业科技有限公司 | A kind of ultra hard ceramic bistrique |
| CN107443243A (en) * | 2017-06-28 | 2017-12-08 | 浙江宏泰锆业科技有限公司 | A kind of medical ceramic bistrique |
| CN207519801U (en) * | 2017-11-16 | 2018-06-22 | 上海惠而顺精密工具股份有限公司 | A kind of diamond setting manicure sand circle axis |
| CN210010831U (en) * | 2019-02-20 | 2020-02-04 | 东台施迈尔新材料科技有限公司 | Medical ceramic grinding head |
| CN211910811U (en) * | 2019-09-27 | 2020-11-13 | 上海惠而顺精密工具股份有限公司 | Diamond tooth carving knife for nail beautification |
| CN212165179U (en) * | 2020-03-02 | 2020-12-18 | 上海惠而顺精工科技发展有限公司 | Novel nail-beautifying diamond-inlaying traceless carving knife |
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2021
- 2021-08-09 CN CN202110906729.5A patent/CN113580003B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100083975A1 (en) * | 2008-10-07 | 2010-04-08 | Sofi Nails, Inc. | Rotary Nailcare Device with Mandrel Bit for Nail Shaping, Filing, and Polishing |
| CN107263343A (en) * | 2017-06-28 | 2017-10-20 | 浙江宏泰锆业科技有限公司 | A kind of ultra hard ceramic bistrique |
| CN107443243A (en) * | 2017-06-28 | 2017-12-08 | 浙江宏泰锆业科技有限公司 | A kind of medical ceramic bistrique |
| CN207519801U (en) * | 2017-11-16 | 2018-06-22 | 上海惠而顺精密工具股份有限公司 | A kind of diamond setting manicure sand circle axis |
| CN210010831U (en) * | 2019-02-20 | 2020-02-04 | 东台施迈尔新材料科技有限公司 | Medical ceramic grinding head |
| CN211910811U (en) * | 2019-09-27 | 2020-11-13 | 上海惠而顺精密工具股份有限公司 | Diamond tooth carving knife for nail beautification |
| CN212165179U (en) * | 2020-03-02 | 2020-12-18 | 上海惠而顺精工科技发展有限公司 | Novel nail-beautifying diamond-inlaying traceless carving knife |
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| CN113580003B (en) | 2024-04-19 |
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