CN108161731B - Elastic grinding block and grinding tool - Google Patents
Elastic grinding block and grinding tool Download PDFInfo
- Publication number
- CN108161731B CN108161731B CN201810109191.3A CN201810109191A CN108161731B CN 108161731 B CN108161731 B CN 108161731B CN 201810109191 A CN201810109191 A CN 201810109191A CN 108161731 B CN108161731 B CN 108161731B
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- CN
- China
- Prior art keywords
- grinding
- arc
- connecting part
- transition
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000007704 transition Effects 0.000 claims abstract description 44
- 239000004033 plastic Substances 0.000 claims abstract description 20
- 229920003023 plastic Polymers 0.000 claims abstract description 20
- 238000001746 injection moulding Methods 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 2
- 238000005498 polishing Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 description 5
- 239000004575 stone Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- VQKWAUROYFTROF-UHFFFAOYSA-N arc-31 Chemical compound O=C1N(CCN(C)C)C2=C3C=C4OCOC4=CC3=NN=C2C2=C1C=C(OC)C(OC)=C2 VQKWAUROYFTROF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- -1 includes bistrique Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B24B41/047—Grinding heads for working on plane surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The application discloses an elastic grinding block and a grinding tool, wherein the elastic grinding block comprises a grinding head, a plastic substrate and a spring piece, wherein the plastic substrate is adhered to the inner side and the outer side of the spring piece through injection molding and comprises an upper connecting part, a lower connecting part, an upper connecting part and transition parts, the two transition parts are arranged on the left side and the right side, the two transition parts are arc-shaped, and the upper side and the lower side of the transition part are respectively connected with the upper connecting part and the lower connecting part to form boundaries so as to form a cavity in the plastic substrate; the grinding tool is composed of a plurality of elastic grinding blocks, the lower connecting parts of the elastic grinding blocks are connected into a whole, and all spring pieces positioned at the lower connecting parts are also connected into a whole. The elastic grinding block and the grinding tool realize the characteristics of shock resistance, crack resistance, prolonged service life of the grinding block, capability of processing curved surfaces and the like by optimizing structural design. The polishing tool is used for the polishing tool field of material plate surfaces.
Description
Technical Field
The application relates to a polishing tool for a material plate surface, in particular to an elastic grinding block and a grinding tool which are assembled on a polishing production line and are used for polishing a workpiece through horizontal rotation so as to finish the plate surface processing of ceramics, stone plates and the like.
Background
In the process of processing stone materials, ceramics and other materials, special polishing and grinding equipment is required to finish leveling and polishing operations. Wherein the grinding block is an essential component in the processing operation and belongs to the consumable component. Under the impact force of polishing, the traditional grinding block is particularly easy to crack at four corners of the grinding block, and the service life of a base bearing the grinding head is reduced although the grinding head can still be used, so that waste is generated. The patent "a novel diamond grinding block 201520301712.7" can play a role of buffering, but the effect of counteracting the impact force is difficult to achieve. Meanwhile, the product is only suitable for plane grinding, and if the surface to be processed is a curved surface, the contact surface between the grinding head and the plane to be processed is obviously insufficient.
Disclosure of Invention
The application aims to provide an elastic grinding block and a grinding tool which are capable of optimizing structural design, improving shock resistance and crack resistance, effectively prolonging the service life of the grinding block and processing curved surfaces.
The technical scheme adopted by the application is as follows:
the utility model provides an elasticity abrasive brick, includes bistrique, plastic base member and spring leaf, and the plastic base member is attached to the inside and outside both sides at the spring leaf through moulding plastics, and the plastic base member is including being used for bearing the weight of the upper junction portion of bistrique, be used for being connected to the lower junction portion of anchor clamps and be in the transition portion between upper junction portion and the lower junction portion, and the transition portion is two in the left and right sides altogether, and two transition portions are the arc, and upper junction portion and lower junction portion formation boundary are connected respectively to the upper and lower both sides of transition portion makes the plastic base member in the formation cavity.
As an improvement of the scheme, the cross sections of the two transition parts are U-shaped, and the concave directions of the two transition parts face the cavity.
As an improvement of the scheme, the peripheral upper edge of the upper connecting part is raised to form a mounting groove for accommodating the grinding head.
As an improvement of the scheme, the grinding head is arc-shaped and is a metal bonding agent grinding head.
As an improvement of the scheme, the grinding head and the spring piece are fixed on the contact surface by welding.
As an improvement of the scheme, the spring piece comprises a support, two arc pieces and two wing plates, wherein the two arc pieces are positioned on the left side and the right side of the upper surface of the support, the two wing plates are positioned on the left side and the right side of the lower surface of the support, the two arc pieces become transition parts after injection molding, and the support and the two wing plates become lower connecting parts after injection molding.
As an improvement of the proposal, each wing plate and the bracket are provided with holes
As an improvement of the scheme, the thickness of the spring piece is 0.2-0.5 mm, the two arc pieces are U-shaped and are composed of three sections of arcs with different radians from top to bottom, the arc of the upper section is R100-R120 mm, the arc of the middle section is R8-R10 mm, the arc of the lower section is R3-R4 mm, and the openings of the two arc pieces face obliquely downwards and form an included angle of 15-25 degrees with the horizontal plane.
An abrasive tool comprises a plurality of elastic abrasive blocks which are arranged in sequence and have the scheme, wherein the lower connecting parts of the elastic abrasive blocks are connected into a whole, and the brackets are also connected into a whole.
The application has the beneficial effects that: the transition part of the elastic grinding block plays a role in elastic shock absorption, wherein the cavity fully provides a space for deformation of the transition part, the spring piece is the elastic toughness of the enhanced transition part, and the combination of the two characteristics enables the transition part to have very strong elasticity to counteract larger impact force; the grinding tool consists of a plurality of elastic grinding blocks, the lower connecting part is an integral body, and gaps are still reserved between the upper connecting parts and the transition parts of two adjacent elastic grinding blocks, so that the plurality of elastic grinding blocks can be independently ground; particularly when encountering a curved surface, the transition parts with high strength and high elasticity are matched, and the transition parts at different positions can deform along with the curved surface by increasing impact force, so that more elastic grinding blocks are close to the surface to be processed, and finally, the processing efficiency is improved.
Drawings
The application is further described below with reference to the accompanying drawings:
FIG. 1 is an overall schematic of an abrasive article;
FIG. 2 is a cross-sectional view of a resilient abrasive block;
FIG. 3 is a top view of a spring plate;
FIG. 4 is a front view of the spring plate;
fig. 5 is a side view of the spring plate.
Detailed Description
Referring to fig. 2, the present application is an elastic grinding block comprising a grinding head 1, a plastic base and a spring plate 3, wherein the plastic base is attached to the inner and outer sides of the spring plate 3 by injection molding, i.e. the cross section of the plastic base is formed according to the cross section of the spring plate 3. The spring piece 3 is made of spring steel. The plastic matrix comprises an upper connecting part 21 for bearing the grinding head 1, a lower connecting part 23 for being connected to a clamp and a transition part 22 between the upper connecting part 21 and the lower connecting part 23, wherein the two transition parts 22 are arranged at the left side and the right side, the two transition parts 22 are arc-shaped, and the upper side and the lower side of the transition part 22 are respectively connected with the upper connecting part 21 and the lower connecting part 23 to form boundaries so as to form a cavity 24 in the plastic matrix.
The transition portion 22 of the elastic grinding block plays a role of elastic shock absorption, wherein the hollow cavity 24 fully provides a space for deformation of the transition portion 22, the spring piece 3 is increased in elastic toughness of the transition portion 22, and the transition portion 22 has very strong elastic energy to counteract larger impact force due to the combination of the two characteristics, so that the service life of the elastic grinding block is prolonged.
In a preferred embodiment, the cross-section of both transition portions 22 is U-shaped, with the concave direction of both transition portions 22 facing the cavity 24. This design is mainly that the spring plate 3 is easy to bend during manufacture.
As a preferred embodiment, the curvature of the leaf spring 3 in the transition 22 is equal to the transition 22. The peripheral upper edge of the upper connecting portion 21 bulges to form a mounting groove for accommodating the grinding head 1. The leaf spring 3 is punched out of the wing at the lower side, whereby the lower connection 23 is formed.
The grinding head 1 is arc-shaped, like a crescent, and solves the problem that the upper connecting part 21 is easy to crack by changing the shape of the grinding head 1. The grinding head 1 is a metal binding agent grinding head, so that the grinding head 1 is more wear-resistant than the traditional grinding head, and the service life of the grinding head 1 can be prolonged sufficiently. Specifically, the grinding head 1 is formed by mixing abrasive particles and matrix powder, wherein the abrasive particles mainly comprise diamond, and the matrix is made of metal, alloy powder and the like.
The cross section is taken as a reference, the spring piece 3 comprises a bracket 33, two arc pieces 31 and two wing plates 32, the two arc pieces 31 are positioned on the left side and the right side of the upper surface of the bracket 33, and the two wing plates 32 are positioned on the left side and the right side of the lower surface of the bracket 33 and are in axisymmetric distribution; the two arcuate pieces 31 become the transition portions 22 after injection molding, and the brackets 33 and the two wing plates 32 become the lower connecting portions 23 after injection molding. The thickness of the spring piece 3 is 0.2-0.5 mm, the arc piece 31 is U-shaped and is composed of three sections of arcs with different radians from top to bottom, the upper section of the arc is R100-R120 mm, the middle section of the arc is R8-R10 mm, and the lower section of the arc is R3-R4 mm. The opening of the arc 31 is oriented obliquely downwards and at an angle of 15-25 deg. to the horizontal, i.e. in the range of 15-25 deg. both the tangent to the upper edge and the tangent to the lower edge.
In a preferred embodiment, each of the wings 32 and brackets has holes therein for the plastic substrate to form a shaft thereat to capture the wings 32 and brackets 33.
Referring to fig. 1, 3, 4 and 5, a plurality of elastic grinding blocks are sequentially arranged to form a grinding tool, the lower connection portions 23 of the elastic grinding blocks are integrally connected, and the brackets 33 are integrally connected. The lower connecting part 23 is a whole, but gaps are still reserved between the upper connecting parts 21 and the transition parts 22 of two adjacent elastic grinding blocks, so that a plurality of elastic grinding blocks can be independently ground, particularly when a curved surface is encountered, the transition parts 22 with high strength and high elasticity are matched, different states of deformation of different transition parts 22 can be completed by increasing impact force, and more elastic grinding blocks are next to a surface to be processed. For example, the transition portion 22 is deformed greatly in the case of a convex surface of the stone slab, and the transition portion 22 is deformed slightly in the case of a concave surface.
In this embodiment, the spring plate 3 is first manufactured, specifically referring to fig. 3: a piece is taken for stamping, the round hole and the rectangular groove in the figure 3 are stamped, and grooves are stamped on the left side and the right side of the spring piece 3; referring specifically to fig. 4, the left and right sides of the leaf spring 3 are then bent into a U-shape, naturally forming a plurality of spaced-apart arc pieces 31. A plurality of grinding heads 1 are fixed to the upper side of the spring piece 3 in advance. Injection molding is carried out to enable the plastic matrix to wrap the periphery of the spring piece 3 and each grinding head 1, and naturally, the lower side of each grinding head 1 is also attached with some plastic matrixes.
Of course, the present design is not limited to the above embodiment, and a combination of different features of the above embodiments can also achieve a good effect. Equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the application, and these equivalent modifications or substitutions are intended to be included within the scope of the present application as defined in the appended claims.
Claims (7)
1. An abrasive article, characterized by: the elastic grinding blocks comprise grinding heads, plastic matrixes and spring pieces, wherein the plastic matrixes are adhered to the inner side and the outer side of the spring pieces through injection molding, the plastic matrixes comprise an upper connecting part for bearing the grinding heads, a lower connecting part for being connected to a clamp and a transition part between the upper connecting part and the lower connecting part, the two transition parts are two in total on the left side and the right side, the two transition parts are arc-shaped, the upper connecting part and the lower connecting part are respectively connected on the upper side and the lower side of the transition part to form boundaries, so that a cavity is formed in the plastic matrixes, the lower connecting parts of the elastic grinding blocks are connected into a whole, gaps are formed between the upper connecting parts and the transition parts of the adjacent two elastic grinding blocks, each spring piece comprises a bracket, two arc pieces and two wing plates, the two arc pieces are positioned on the left side and the right side of the upper surface of the bracket, the two arc pieces are positioned on the left side and the right side of the lower surface of the bracket, the two arc pieces become transition parts after injection molding, the bracket and the two wing plates become lower connecting parts after injection molding, the two arc pieces are U-shaped and the arc shapes are formed by the arc shapes which are formed by the three sections from top to bottom, and the arc shapes are also integrally connected from top to bottom.
2. The abrasive article of claim 1, wherein: the cross sections of the two transition parts are U-shaped, and the concave directions of the two transition parts face the cavity.
3. The abrasive article of claim 2, wherein: the upper edge of the periphery of the upper connecting part bulges to form a mounting groove for accommodating the grinding head.
4. The abrasive article of any one of claims 1-3, wherein: the grinding head is arc-shaped, and is a metal binding agent grinding head.
5. The abrasive article of claim 4, wherein: the grinding head and the spring piece are welded and fixed on the contact surface.
6. The abrasive article of claim 1, wherein: holes are formed in each wing plate and each support.
7. The abrasive article of claim 6, wherein: the thickness of the spring piece is 0.2-0.5 mm, the circular arcs at the upper sections of the two arc pieces are R100-R120 mm, the circular arcs at the middle sections are R8-R10 mm, the circular arcs at the lower sections are R3-R4 mm, and the openings of the two arc pieces face obliquely downwards and form an included angle of 15-25 degrees with the horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810109191.3A CN108161731B (en) | 2018-02-05 | 2018-02-05 | Elastic grinding block and grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810109191.3A CN108161731B (en) | 2018-02-05 | 2018-02-05 | Elastic grinding block and grinding tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108161731A CN108161731A (en) | 2018-06-15 |
| CN108161731B true CN108161731B (en) | 2023-12-12 |
Family
ID=62512653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810109191.3A Active CN108161731B (en) | 2018-02-05 | 2018-02-05 | Elastic grinding block and grinding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108161731B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580001B (en) * | 2021-07-14 | 2023-03-28 | 广州金谷钻石工具有限公司 | Elastic grinding block |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1041275A1 (en) * | 1981-03-19 | 1983-09-15 | Ленинградский Ордена Трудового Красного Знамени Сельскохозяйственный Институт | Honing head |
| TWM250512U (en) * | 2004-01-19 | 2004-11-11 | Cateron Technology Co Ltd | Closed spring contact member |
| CN2802762Y (en) * | 2005-04-26 | 2006-08-02 | 禾圃行销设计有限公司 | Elastic piece of preventing elastic fatigue |
| CN202565631U (en) * | 2011-12-29 | 2012-11-28 | 陈惟诚 | Surface mounting top open elastic sheet |
| KR20130007846A (en) * | 2011-07-11 | 2013-01-21 | (주)로봇엔웍스 | Polishing block |
| CN104518318A (en) * | 2014-11-28 | 2015-04-15 | 中航光电科技股份有限公司 | Bow-like elastic contact spring |
| TWM499186U (en) * | 2014-12-15 | 2015-04-21 | Tsung-Yuan Chen | Paper holding box and support rack thereof |
| CN206578719U (en) * | 2016-11-01 | 2017-10-24 | 广东英诺迅新材料有限公司 | A kind of Elastic abrasive body |
| CN107650934A (en) * | 2017-09-11 | 2018-02-02 | 江苏科技大学 | The Constant-Contact Resilient Side Bearings |
| CN208276725U (en) * | 2018-02-05 | 2018-12-25 | 广州金谷钻石工具有限公司 | A kind of Elastic abrasive body and grinding tool |
-
2018
- 2018-02-05 CN CN201810109191.3A patent/CN108161731B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1041275A1 (en) * | 1981-03-19 | 1983-09-15 | Ленинградский Ордена Трудового Красного Знамени Сельскохозяйственный Институт | Honing head |
| TWM250512U (en) * | 2004-01-19 | 2004-11-11 | Cateron Technology Co Ltd | Closed spring contact member |
| CN2802762Y (en) * | 2005-04-26 | 2006-08-02 | 禾圃行销设计有限公司 | Elastic piece of preventing elastic fatigue |
| KR20130007846A (en) * | 2011-07-11 | 2013-01-21 | (주)로봇엔웍스 | Polishing block |
| CN202565631U (en) * | 2011-12-29 | 2012-11-28 | 陈惟诚 | Surface mounting top open elastic sheet |
| CN104518318A (en) * | 2014-11-28 | 2015-04-15 | 中航光电科技股份有限公司 | Bow-like elastic contact spring |
| TWM499186U (en) * | 2014-12-15 | 2015-04-21 | Tsung-Yuan Chen | Paper holding box and support rack thereof |
| CN206578719U (en) * | 2016-11-01 | 2017-10-24 | 广东英诺迅新材料有限公司 | A kind of Elastic abrasive body |
| CN107650934A (en) * | 2017-09-11 | 2018-02-02 | 江苏科技大学 | The Constant-Contact Resilient Side Bearings |
| CN208276725U (en) * | 2018-02-05 | 2018-12-25 | 广州金谷钻石工具有限公司 | A kind of Elastic abrasive body and grinding tool |
Non-Patent Citations (2)
| Title |
|---|
| 何培英等.机械工程图学.华中科技大学出版社,2013,第211页. * |
| 陈寿祖等.金属工艺学 热加工部分.高等教育出版社,1987,第77页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108161731A (en) | 2018-06-15 |
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