CN202763697U - Internal cooling type grinding wheel for external cooling type grinding machine - Google Patents
Internal cooling type grinding wheel for external cooling type grinding machine Download PDFInfo
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- CN202763697U CN202763697U CN 201220019281 CN201220019281U CN202763697U CN 202763697 U CN202763697 U CN 202763697U CN 201220019281 CN201220019281 CN 201220019281 CN 201220019281 U CN201220019281 U CN 201220019281U CN 202763697 U CN202763697 U CN 202763697U
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Abstract
The utility model discloses an internal cooling type grinding wheel for an external cooling type grinding machine. The internal cooling type grinding wheel comprises a basal body and a grinding ring, water outlets are formed in the grinding surface of the grinding ring in a hallowing manner, all the water outlets are communicated with water flow channels which are correspondingly arranged in the basal body, all the water flow channels are converged at a water inlet formed in the basal body, the water inlet in the basal body is an open port communicated with a cooling pipe of the external cooling type grinding machine, the basal body comprises a base plate and a pressure plate pressed on the base plate, the grinding ring is clamped and fixed between the base plate and the pressure plate, a hollow water storage area playing a role of the water flow channel is further formed between the base plate and the pressure plate, and the water inlet is formed in the pressure plate. The internal cooling type grinding wheel disclosed by the utility model has an internal cooling structure and thus enables most of external cooling type machining equipment on the market to achieve the performances of internal cooling type machining equipment without increase of any cost nearly, so that purchase of the expensive internal cooling type machining equipment with high price is not needed and the economic effectiveness of the internal cooling type grinding wheel is significant.
Description
(1) technical field:
The utility model relates to grinding tool, is specially a kind of internal cooling type grinding wheel for external cooling type grinding machine.
(2) background technology:
Adopt emery wheel to finish to the grinding of metal or nonmetallic materials, use grinding face to be the emery wheel of plane (or running orbit is the plane) for plane machining, then often adopting grinding face for special-shaped edging processing is the formed grinding wheel of abnormity.Because the grinding meeting produces grinding heat, especially high-speed grinding, emery wheel is processed (flat surface grinding and special-shaped grinding) time and need to be cooled off, the type of cooling provides for the cooling body of emery wheel machining tool, according to the difference of the type of cooling, existing emery wheel machining tool is divided into external-cooling type grinding machine and inner-cooled grinding machine.
1, the cooling body of external-cooling type grinding machine simple (emery wheel of adapted is plain wheel), it mainly is the cooling tube of a connection pumping source, cooling tube is installed on the work top, the cooling fluid of cooling tube ejection directly acts on the emery wheel working position, because the centrifugal action that emery wheel rotates, cooling fluid will fly away from the emery wheel working position fast; And during grinding between working face and the processing work in conjunction with tightr, the break flour that grinding produces has also formed the sealing to cooling fluid, in fact cooling fluid is difficult to enter into the working face of processing, and just plays the effect of cooling after precooling before the emery wheel work, the emery wheel work.
2, the inner-cooled grinding machine supports the use the emery wheel with interior cooling structure, and cooling fluid can directly act on the grinding working face, and its cooling effect is more effective than external-cooling type.The structure of inner-cooled emery wheel is that the axis hole in matrix central shaft position offers the water inlet with the contraposition of inner-cooled grinder wheel rotating shaft delivery port, the inside of grinding wheel base body also offers (few in number) water stream channel, and also offer (few in number) delivery port on the bull ring of emery wheel, cooling fluid is supplied with by the emery wheel rotating shaft delivery port that emery wheel is installed, cooling fluid enters the water inlet of grinding wheel base body axis hole from the delivery port of emery wheel rotating shaft, through water stream channel from the bull ring the delivery port ejection and act on the grinding working face.
Owing to will solve layout and emery wheel rotating shaft and emery wheel axis hole entery and delivery port UNICOM and the sealing problem of internal cooling pipeline, it is the reason that causes inner-cooled grinding machine mechanism complexity, and then urge the manufacturing cost that has risen the inner-cooled grinding machine, and plain wheel can't use at the inner-cooled grinding machine, must use the emery wheel with cooling structure of special facture, cause final comprehensive process cost to increase.
In addition, no matter use plain wheel processing at the external-cooling type grinding machine, or use the special emery wheel processing with interior cooling structure at the inner-cooled grinding machine, at present the emery wheel flour milling structures shape of technology the thread taken out of of break flour large, drag-out is limited.And the rate of discharge of break flour and discharge rate will directly affect crudy and efficient, when the break flour amount is difficult to take out of fully, will directly affect crudy and efficient, and this also is the key point that the emery wheel operating efficiency can't improve.
For special-shaped edging processing, the special-shaped flour milling shape of emery wheel is corresponding to the corner shape need of material, the conventional edge angular shape of final molding is arc, other shapes except arc are also arranged, as be the geometry of rule, or the non-well-behaved geometry for being consisted of by line segments such as straight line, camber line, curves.
For the stock of special-shaped edging, should be reserved with allowance, and allowance is not to stay for the shape of special-shaped grinding face, initial how much states of allowance are relative (common for square) of rule in most cases, material also is uniform.In process, may there be inequality in the processing capacity at each position that emery wheel abnormity flour milling is in axial direction gone up, the relation of some or even difference of magnification, and the material of emery wheel is inhomogeneity, degree of wear is different with the difference of processing capacity with regard to each position of having caused emery wheel abnormity flour milling for these, make the special-shaped flour milling of emery wheel very easily lose shape and can't normally use, need often to repair or lose shape and scrap.
(3) utility model content:
For the deficiencies in the prior art part, the purpose of this utility model be design a kind of in the external-cooling type grinding machine is realized the internal cooling type grinding wheel for external cooling type grinding machine of refrigerating function.
Can realize the internal cooling type grinding wheel for external cooling type grinding machine of above-mentioned purpose, comprise matrix and the bull ring of being located on the matrix, offer the delivery port that connects bull ring on the flour milling of described bull ring, described each delivery port is communicated with the water stream channel that correspondence is offered in the matrix, described each water stream channel meets at water inlet, difference is that described water inlet is opened on the matrix, water inlet on the described matrix is outside uncovered, when this emery wheel was installed on the external-cooling type grinding machine, water inlet was facing to the water spray position of external-cooling type grinding machine cooling tube.
Cooling water can enter from the water inlet on the matrix, be applied to the grinding working face by water stream channel through delivery port, guarantee the whole process cooling in the process, the break flour that simultaneously grinding produces enters in the delivery port and stores, outside the grinding working face, because the break flour in centrifugal force and the flow action, delivery port can be discharged smoothly, so delivery port also has the bits of appearance, chip removal effect.
Processing and manufacturing for ease of water inlet and water stream channel, need further to optimize basal body structure, described a kind of optimizing structure comprises two substrates, and described bull ring clamping is consolidated between the substrate, also formed the storage area of water stream channel effect between the described substrate, described water inlet is opened on the substrate.
A described substrate is the pressing plate that is installed on another piece substrate, and another piece substrate center arranges the central shaft position, is communicated with external-cooling type grinding machine cooling tube for making things convenient for water inlet, and described water inlet is the collar extension that is opened on the pressing plate.
But described collar extension self-assembling formation, way are to be ring flat-plate with platen design, and the interior ring diameter of pressing plate is greater than the central shaft position of substrate, and collar extension is formed between the central shaft position of the interior ring of pressing plate and substrate.
The quantity that can determine the mouth of a river according to size and the bite of emery wheel, bull ring contacting in the line length scope during with the work piece grinding, the quantity of delivery port is greater than 0 between less than 30.
When the coaxial use arranged side by side of two or more emery wheels, the water stream channel mutual conduction between described each matrix guarantees that cooling water is to the supply of each emery wheel.
Flour milling for described bull ring is nonplanar situation, described delivery port is the non-physical treatment district that does not participate in grinding on the flour milling (on-plane surface flour milling), unless the residue of the flour milling (on-plane surface flour milling) beyond physical treatment district position is then for participating in the physical treatment district of grinding, described physical treatment district is in disalignment to the allowance of the total line length of locational circumference corresponding to the work piece co-located, its corresponding relation is proportional relationship, thereby forms the abrasion structure such as shape such as grade of flour milling (on-plane surface flour milling).It is the physical treatment district (part of contact work piece when referring to grinding) in the described bull ring, the processing capacity that to finish at the process needs according to emery wheel, the total line length of circumference that distributes the correspondent entity processing district at grinding wheel spindle to diverse location, it is the large position of workpiece allowance, its corresponding physical treatment district total line length of circumference is then large, the position that workpiece allowance is little, its corresponding physical treatment district total line length of circumference is then little, consist of proportional relationship between the two, thereby form the abrasion structure such as shape such as grade of emery wheel, solve or alleviate special-shaped emery wheel with this and lose the shape problem.
When work piece is not that very high, wider range or emery wheel manufacture difficulty are when excessive to shape need, the processing capacity of finishing at the process needs according to emery wheel, distribute the total line length of circumference of correspondent entity processing district to diverse location at grinding wheel spindle, the proportionate relationship that consists of between the two can suitably be relaxed.
Described delivery port (being non-physical treatment district) can be set to any shape in principle, as being set to the geometry of rule, or is made as the non-well-behaved geometry that is made of line segments such as straight line, camber line, curves.
For the arc machined surface of work piece, the shape of described delivery port (being non-physical treatment district) can adopt be easy to process circular or oval.
The axial width of delivery port (being non-physical treatment district) greater than work piece machined surface thickness situation under, physical treatment district formation has the grinding of microspur discontinuous or half discontinuous grinding structure, half discontinuous grinding structure has less beating, and more is conducive to the higher processing that the limit requires of collapsing.
In the situation of axial width less than work piece machined surface thickness of delivery port (being non-physical treatment district), the physical treatment district consists of the continous way grinding structure, eliminates the limit that collapses of beating and bringing, and can satisfy to collapse the high processing operating mode of limit requirement.
Technical scheme of the present invention also is fit to " dry grinding " processing, but the dry grinding cooling water of this moment is " air ", and described water inlet, water stream channel and delivery port then correspond to air inlet, gas channel and gas outlet.
Advantage of the present utility model:
1, the interior cooling structure of the utility model internal cooling type grinding wheel for external cooling type grinding machine, can make most external-cooling type process equipments on the market hardly with the performance that increases any cost and just can reach the inner-cooled process equipment, avoid dropping into more funds and buy expensive inner-cooled process equipment, economic benefit is very obvious.
2, interior cooling structure of the present utility model also doubles as quick row (appearance) bits structure, the break flour that produces in the grinding zone is discharged fast, the surface roughness of surface to be machined and the performance of emery wheel sharpness are increased substantially, guarantee that emery wheel more can be applicable to fast, High-speed machining.
3, the utility model the shape abrasion structure such as has adopted for special-shaped emery wheel, structurally promotes the emery wheel non-deformability, makes emery wheel lose shape, Failure Factors reduces greatly, improves the life-span of emery wheel.
(4) description of drawings:
Fig. 1 is the perspective view of a kind of embodiment of the utility model.
Fig. 2 is the front view of Fig. 1 embodiment.
Fig. 3 is the internal structure schematic diagram of Fig. 2.
Fig. 4 (a) is among Fig. 1, Fig. 2, Fig. 3, and delivery port is in the upper distribution situation schematic diagram of the flour milling (on-plane surface flour milling) of bull ring, and the axial width of delivery port is greater than the thickness of work piece.
Fig. 4 (b) is among Fig. 1, Fig. 2, Fig. 3, and delivery port is in the upper distribution situation schematic diagram of the flour milling (on-plane surface flour milling) of bull ring, and the axial width of delivery port is less than the thickness of work piece.
Fig. 5 is the processing dimension figure of work piece.
Figure number sign: 1 matrix; 1-1, substrate; 1-2, pressing plate; 2, bull ring, 2-1, delivery port; 2-2, physical treatment district; 3, water inlet; 4, support column; 5, storage area; 6, screw; 7, central shaft position.
(5) specific embodiment:
Below in conjunction with accompanying drawing the technical solution of the utility model is described further:
The utility model internal cooling type grinding wheel for external cooling type grinding machine is made of matrix 1 and bull ring 2, and wherein matrix 1 is assembled by substrate 1-1 and pressing plate 1-2.
Described substrate 1-1 is plectane, axle position 7 centered by the place, substrate 1-1 axle center, and described pressing plate 1-2 is ring flat-plate, and the outer ring diameter of pressing plate 1-2 is identical with substrate 1-1 circle diameter, and the interior ring diameter of pressing plate 1-2 is greater than the external diameter of substrate 1-1 central shaft position 7; Use the hollow support post 4 of circumference uniform distribution every sky between substrate 1-1 and the pressing plate 1-2, corresponding to each support column 4 position, with screw 6 substrate 1-1 and pressing plate 1-2 are axially fastened, meanwhile the circumferential outer edge inner face of substrate 1-1 and pressing plate 1-2 is with bull ring 2 clampings fixed (glue commonly used is bonding), such as Fig. 1, Fig. 2, shown in Figure 3.
Inside hollow out offers uniform circular or oval delivery port 2-1(and connects bull ring 2 on the flour milling of described bull ring 2), the effect of described delivery port 2-1 is also held concurrently as holding bits and chip removal, bull ring 2 and work piece contacts in the line length scope during wheel grinding, the quantity of delivery port 2-1 for greater than 0 less than 30, the water inlet 3 of cooling water is the collar extension between pressing plate 1-2 and the substrate 1-1 central shaft position 7, cavity between substrate 1-1 and the pressing plate 1-2 is the storage area 5 of cooling water, delivery port 2-1 communicates with storage area 5, such as Fig. 1, Fig. 2, shown in Figure 3.
The utility model is adapted at using on the external-cooling type grinding machine, the cooling tube of external-cooling type grinding machine is aimed at the collar extension of emery wheel, add man-hour, the wheel grinding workpiece, cooling water enters and the 5 interior preservations in the storage area from collar extension, because centrifugal action, the cooling water in the storage area 5 gets rid of into grinding area by delivery port 2-1, realizes the interior cooling to work piece; The break flour that produces during grinding enters temporary transient storage the in the delivery port 2-1, stores the delivery port 2-1 of break flour after leaving grinding area, and under the acting in conjunction of centrifugal force and cooling water, break flour is discharged from.
Break flour can in time be discharged emery wheel fast, can make abrasive grain can better keep the height of exposure, and get grinding capacity the quarter that is conducive to improve abrasive grain, reaches the effect that improves sharpness; Simultaneously, because the quick discharge of break flour is conducive to cooling water and plays a role, the heat in metal cutting that greatly reduces abrasive grain reaches because the frictional heat that break flour exists, improve the condition of work of abrasive grain, be conducive to the Strength retention of abrasive grain, improved the life-span of emery wheel; The reduction of frictional heat also will be conducive to improve the surface quality of work piece.
Take the Machining Arc limit as example, the flour milling of described bull ring 2 is arc (flour milling is on-plane surface), circle or oval-shaped delivery port 2-1 are the non-physical treatment district of flour milling on the cambered surface, the remainder of flour milling is the physical treatment district 2-2 that contacts with work piece 8, and described physical treatment district 2-2 is in disalignment to the allowance of the total line length of locational circumference corresponding to the workpiece to be machined co-located, its corresponding relation is proportional relationship, thereby form the abrasion structure such as shape such as grade of flour milling, such as Fig. 1, Fig. 2, shown in Figure 4.
As shown in Figure 5, the material thickness 5mm of work piece 8, circular arc sagitta 1.5mm, minimum position (middle part of the thickness direction) surplus of allowance is 1mm, the position of processing capacity maximum (about two end faces) surplus is 2.5mm, and then work piece 8 allowance vertically with the proportional relationship of the total line length of circumference of corresponding physical treatment district 2-2 is: minimum margin: maximum surplus=1:2.5.
Shown in Fig. 4 (a), when the non-physical treatment of delivery port 2-1(district) axial width during greater than the thickness of work piece 8 machined surfaces, consist of and have the grinding of microspur discontinuous or half discontinuous grinding structure, half discontinuous grinding structure has less beating, and more is conducive to the higher processing that the limit requires of collapsing; Require highly in the situation that collapse the limit, can select the non-physical treatment of mouth of a river 2-1(district) axial width less than the thickness of work piece 8 machined surfaces, consist of the continous way grinding structure, eliminate the limit that collapses of beating and bringing, shown in Fig. 4 (b).
Special circumstances: when flour milling (on-plane surface flour milling) when being the Complex Different Shape face, the shaped face of complexity can be split as some sections and make several emery wheels, can be considered a plurality of emery wheels stacks.
The technical solution of the utility model is specially adapted to process on the emery wheel of fragile metal or nonmetallic materials and uses, and the bull ring 2 usefulness super hard abrasives of described emery wheel are made, and the physical treatment district 2-2 of bull ring 2 can be the disposal molding mode or various amalgamation molding mode consists of.Above-described embodiment only is the specific case that the purpose of this utility model, technical scheme and beneficial effect are further described, and the utility model is not to be defined in this.All any modifications of within scope of disclosure of the present utility model, making, be equal to replacement, improvement etc., all be included within the protection domain of the present utility model.
Claims (12)
1. internal cooling type grinding wheel for external cooling type grinding machine, comprise matrix (1) and be located at bull ring (2) on the matrix (1), offer the delivery port (2-1) that connects bull ring (2) on the flour milling of described bull ring (2), described each delivery port (2-1) is communicated with the water stream channel that the interior correspondence of matrix (1) is offered, described each water stream channel meets at water inlet (3), it is characterized in that: described water inlet (3) is opened on the matrix (1), and described water inlet (3) is outside uncovered.
2. internal cooling type grinding wheel for external cooling type grinding machine according to claim 1, it is characterized in that: described matrix (1) comprises two substrates (1-1), described bull ring (2) clamping is consolidated between the substrate (1-1), also formed the storage area (5) of water stream channel effect between the substrate (1-1), described water inlet (3) is opened on the substrate (1-1).
3. internal cooling type grinding wheel for external cooling type grinding machine according to claim 2, it is characterized in that: a described substrate (1-1) is for being installed on the pressing plate (1-2) on another piece substrate (1-1), another piece substrate (1-1) center arranges central shaft position (7), and described water inlet (3) is for being opened in the collar extension on the pressing plate (1-2).
4. internal cooling type grinding wheel for external cooling type grinding machine according to claim 3, it is characterized in that: described pressing plate (1-2) is ring flat-plate, the interior ring diameter of ring flat-plate is greater than the central shaft position (7) of substrate (1-1), and described collar extension is formed between the central shaft position (7) of the interior ring of pressing plate (1-2) and substrate (1-1).
5. the described internal cooling type grinding wheel for external cooling type grinding machine of any one according to claim 1～4 is characterized in that: bull ring (2) contacting in the line length scope during with the work piece grinding, the quantity of described delivery port (2-1) for greater than 0 less than 30.
6. the described internal cooling type grinding wheel for external cooling type grinding machine of any one according to claim 1～4, it is characterized in that: the bull ring of described emery wheel (2) is made with super hard abrasive, and the physical treatment district (2-2) of bull ring (2) can be the disposal molding mode or the amalgamation molding mode consists of.
7. the described internal cooling type grinding wheel for external cooling type grinding machine of any one according to claim 1～4 is characterized in that: during the coaxial use arranged side by side of two or more emery wheels, and the water stream channel mutual conduction between described each matrix (1).
8. the described internal cooling type grinding wheel for external cooling type grinding machine of any one according to claim 1～4, it is characterized in that: the flour milling of described bull ring (2) is on-plane surface, described delivery port (2-1) is not for participating in the non-physical treatment district of grinding on the flour milling, the residue position of flour milling is then for participating in the physical treatment district (2-2) of grinding, described physical treatment district (2-2) is in disalignment to the allowance of the total line length of locational circumference corresponding to work piece (8) co-located, and its corresponding relation is proportional relationship.
9. internal cooling type grinding wheel for external cooling type grinding machine according to claim 8 is characterized in that: described delivery port (2-1) is geometry.
10. internal cooling type grinding wheel for external cooling type grinding machine according to claim 9 is characterized in that: described delivery port (2-1) is for circular or oval.
11. internal cooling type grinding wheel for external cooling type grinding machine according to claim 8 is characterized in that: the axial width of described delivery port (2-1) is greater than the thickness of work piece (8) machined surface.
12. internal cooling type grinding wheel for external cooling type grinding machine according to claim 8 is characterized in that: the axial width of described delivery port (2-1) is less than the thickness of work piece (8) machined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220019281 CN202763697U (en) | 2012-01-17 | 2012-01-17 | Internal cooling type grinding wheel for external cooling type grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220019281 CN202763697U (en) | 2012-01-17 | 2012-01-17 | Internal cooling type grinding wheel for external cooling type grinding machine |
Publications (1)
| Publication Number | Publication Date |
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| CN202763697U true CN202763697U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220019281 Withdrawn - After Issue CN202763697U (en) | 2012-01-17 | 2012-01-17 | Internal cooling type grinding wheel for external cooling type grinding machine |
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| CN (1) | CN202763697U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528676A (en) * | 2012-01-17 | 2012-07-04 | 桂林创源金刚石有限公司 | Internal cooling type grinding wheel for external cooling type grinding machine |
| CN105415112A (en) * | 2015-12-25 | 2016-03-23 | 长沙理工大学 | Internal grinding wheel and internal cooling system |
| CN106903567A (en) * | 2017-03-17 | 2017-06-30 | 桂林创源金刚石有限公司 | A kind of diamond abnormity emery wheel and vertical processing cooling system |
| CN107671752A (en) * | 2017-11-01 | 2018-02-09 | 青岛百瑞福橡塑有限公司 | A kind of polishing Carborundum wheel and device |
| CN108818336A (en) * | 2018-08-23 | 2018-11-16 | 武汉华美高新材料有限公司 | A kind of tungsten electrode grinding wheel for grinding and preparation method thereof |
| CN112658989A (en) * | 2020-12-17 | 2021-04-16 | 湖南大学 | Temperature control self-adaptive dust removal and grinding wheel cooling device of dry grinding machine |
-
2012
- 2012-01-17 CN CN 201220019281 patent/CN202763697U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528676A (en) * | 2012-01-17 | 2012-07-04 | 桂林创源金刚石有限公司 | Internal cooling type grinding wheel for external cooling type grinding machine |
| CN102528676B (en) * | 2012-01-17 | 2015-05-06 | 桂林创源金刚石有限公司 | Internal cooling type grinding wheel for external cooling type grinding machine |
| CN105415112A (en) * | 2015-12-25 | 2016-03-23 | 长沙理工大学 | Internal grinding wheel and internal cooling system |
| CN106903567A (en) * | 2017-03-17 | 2017-06-30 | 桂林创源金刚石有限公司 | A kind of diamond abnormity emery wheel and vertical processing cooling system |
| CN106903567B (en) * | 2017-03-17 | 2023-05-12 | 桂林创源金刚石有限公司 | Diamond special-shaped grinding wheel and vertical machining cooling system |
| CN107671752A (en) * | 2017-11-01 | 2018-02-09 | 青岛百瑞福橡塑有限公司 | A kind of polishing Carborundum wheel and device |
| CN108818336A (en) * | 2018-08-23 | 2018-11-16 | 武汉华美高新材料有限公司 | A kind of tungsten electrode grinding wheel for grinding and preparation method thereof |
| CN108818336B (en) * | 2018-08-23 | 2023-10-03 | 武汉华美高新材料有限公司 | Grinding wheel for grinding tungsten electrode and preparation method thereof |
| CN112658989A (en) * | 2020-12-17 | 2021-04-16 | 湖南大学 | Temperature control self-adaptive dust removal and grinding wheel cooling device of dry grinding machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130306 Effective date of abandoning: 20150506 |
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| RGAV | Abandon patent right to avoid regrant |