CN110480506A - A kind of interior cooling slotted wheel device for plunge grinding - Google Patents
A kind of interior cooling slotted wheel device for plunge grinding Download PDFInfo
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- CN110480506A CN110480506A CN201910681493.2A CN201910681493A CN110480506A CN 110480506 A CN110480506 A CN 110480506A CN 201910681493 A CN201910681493 A CN 201910681493A CN 110480506 A CN110480506 A CN 110480506A
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- Prior art keywords
- grinding
- grinding wheel
- wheel
- matrix
- lower substrate
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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
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/10—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with cooling provisions, e.g. with radial slots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/16—Bushings; Mountings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
A kind of interior cooling slotted wheel device for plunge grinding, including main shaft and grinding wheel component;Main shaft lower end is connected with the upper matrix and lower substrate of grinding wheel by bolt.Main shaft lower end has screw thread, and matrix on grinding wheel and lower substrate are fastened on main shaft by binding nut;Main shaft lower end surface is equipped with coolant inlet, is connected by Pneumatic rotary connector with cooling liquid water inlet pipe;Matrix is bolted with grinding wheel lower substrate on grinding wheel, and the conduit for placing coolant channels is equipped with inside the two;Bifurcated passage is the arcuation bifurcated conduit that several groups are evenly arranged around axle center, and entrance is communicated with liquid storage chamber, and grinding wheel cylindrical perimeter surface grinding area is directed toward in outlet, and coolant liquid flies out at a high speed from there washes away workpiece;The centrifugal force generated when being rotated using grinding wheel is made coolant liquid be ejected into grinding arc area from multiple channel outlets with high speed, high pressure conditions, the temperature of grinding arc area is greatly lowered, the processing quality of workpiece is significantly improved.
Description
Technical field
The invention belongs to grinding tool technical fields, and in particular to a kind of interior cooling slotted wheel dress for plunge grinding
It sets.
Background technique
Related data shows that grinding accounts for the 30% of machining total amount.Plunge grinding is in processing and manufacturing using model
Enclose a kind of wide method, in grinding, the cutting movement of grinding wheel and workpiece can generate a large amount of grinding heat in grinding area,
So that grinding area temperature rises rapidly.Grinding area temperature raising not only may result in parts processing surface generate burn and
It is ground slight crack, and the intensity of grinding wheel abrasive grain can be reduced, accelerates the abrasion etc. of grinding wheel.If grinding area cannot be effectively reduced
Temperature, it will seriously affect the surface quality of gear and the service life of grinding wheel.Therefore for grinding temperature in grinding process
It controls critically important.Improve the feed liquid way of grinding fluid, enhances cooling effect, grinding temperature can be effectively reduced, to improve mill
Cut quality.Plunge grinding processes and generally uses spraying cooling mode, and this mode has structure simple, and cooling liquid measure is big to wait spies
Point, but due to the outer gas stream that the closure of grinding area and high-speed rotating grinding wheel generate, external coolant liquid can be made difficult
With well into grinding area, the cooling effect of coolant liquid is poor.It is internal with being constantly progressive for cooling technology and manufacturing technology
The type of cooling gradually be applied to grinding in.It, can be by cooling in such a way that inside is cooling compared to spraying cooling mode
Liquid sufficiently acts on grinding area, can effectively reduce the temperature of grinding area, guarantees the processing quality of part.
The cooling passage structure of interior cold grinding wheel influences the jet stream cooling effect of coolant liquid.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, the purpose of the present invention is to provide a kind of interior coolings for plunge grinding
Slotted wheel device, when solving plunge grinding processing, influence of the excessively high grinding area temperature to parts processing surface quality, in turn
Improve the grinding quality of workpiece.
To realize above-mentioned target, the technical solution adopted by the present invention is that:
A kind of cooling slotted wheel device in inside for plunge grinding, includes main shaft and rotary components, the main shaft
Lower end be connected with matrix on grinding wheel and grinding wheel lower substrate;The lower end of main shaft is equipped with screw thread, will be on grinding wheel by binding nut
Matrix and grinding wheel lower substrate are fastened on main shaft;When main shaft high speed rotation, grinding wheel component high speed rotation together will be driven;Main shaft
Lower end surface offers coolant inlet, and coolant inlet is connected with coolant liquid inlet tube by Pneumatic rotary connector;
The grinding wheel component includes that the bifurcated of matrix on grinding wheel, abrasive grain block, grinding wheel lower substrate, liquid storage chamber and aliform arc is logical
Road;Matrix is bolted with grinding wheel lower substrate by connection on grinding wheel;It is padded between matrix and grinding wheel lower substrate on bolt and grinding wheel
There is locked spacer, matrix and grinding wheel lower substrate are clamped nut check on grinding wheel;Matrix and grinding wheel lower substrate inside are embedding on grinding wheel
Several bifurcated passages for having the liquid storage chamber of annular and being connected with liquid storage chamber, several bifurcated passages constitute coolant channels.
The inner radius of the grinding wheel is equipped with coolant inlet, and coolant inlet is communicated with liquid storage chamber;Grinding wheel cylindrical circumference table
Face grinding area is equipped with the outlet in channel;The channel is rectangle along the section of grinding wheel circumference tangential direction;The height of liquid storage chamber is big
In aliform arc bifurcated passage height;
Liquid storage chamber is annular channel, close to grinding wheel internal diameter side be equipped with coolant inlet, the other side then with every group of aliform arc
The entrance of shape bifurcated passage is connected;
Bifurcated passage with identical entrance is a channel group, several channel groups are around grinding wheel axle center circular array cloth
It sets.
Each channel constituents pitch n times, n >=1.
The channel group number is N ∈ [8,20].
The channel group number is 10.
The channel group number, each channel group have n+1 outlet, are bonded in the grinding surface between adjacent channel group outlet
Abrasive grain block.
The radian of the bifurcated passage, arc can change according to the difference of grinding wheel diameter and channel group number;It is former
Make the velocity vector direction in grinding wheel inner cooling path exit and the angle of grinding skin direction of relative movement on then are as follows: 5 °≤angle
≤15°。
The abrasive grain block is adhered to the grinding end face of matrix on grinding wheel, grinding wheel lower substrate by vitrified bond respectively
On.
The annular liquid storage chamber is connected with aliform arc bifurcated passage by groove.
The inside of the grinding wheel is equipped with the coolant channels that several groups aliform arc bifurcated passage is constituted, the annular storage of grinding wheel
Sap cavity and grinding wheel cylindrical perimeter surface grinding area are respectively equipped with the entrance and exit of coolant liquid.Channel with identical Initial Entry is
One channel group;Every group of runner includes a flow channel entry point and several runner exits, the annular of the feeder connection and grinding wheel
Liquid storage chamber is connected, and channel outlet is located on the external peripheral surface grinding area of grinding wheel.
Interior cooling slotted wheel is that coolant liquid is injected to the inside of grinding wheel in the form of high pressure using external pressurizing device
Liquid storage chamber keeps coolant liquid high with high speed by the centrifugal force generated when external pressure, self gravity and grinding wheel high speed rotation
The state of pressure is directly ejected into grinding arc area from microchannel, and then reduces the temperature of grinding arc area, improves the processing quality of workpiece.
The relatively existing technology of the present invention, has the advantages and positive effects of:
The conduit system that efficiently transports that the present invention uses for reference animals and plants in nature goes design grinding wheel internal cooling channel structure.
" quasi- self-similarity " this feature of utilization, applies to interior cooling slotted wheel for geometrical characteristic useful in biological micro-pipe system and leads to
In the structure in road, to improve the cooling efficiency of interior cold grinding wheel.The vein (as shown in Figure 4) and leaf of insect wing in nature
Vein (as shown in Figure 5) etc., be all the natural microchannel structure with good heat radiating and transport property.The present invention uses for reference insect
In maximum lepidopterous insects-lepidopterous insects fore wing vein distributed network (as shown in Figure 4), design the interior of this grinding wheel
Cold passage structure.In order to improve the heat transfer effect of coolant liquid, channel edge flows to direction and certain crooked radian is presented, so that logical
Angle between the coolant flow direction and workpiece direction of relative movement in road exit is as small as possible.Pass through continuous diminution passage
Section increases the enhanced heat exchange of grinding area efficiently using coolant liquid with the jet impulse speed for improving coolant liquid;In addition, logical
The export volume of road group has more several times compared with conventional parallel channel, so that coolant liquid, which can export continuous erosion with high-frequency, is ground arc
Area, to avoid excessive temperature from improving the quality of intermittent grinding to the influence of gear surface quality, improve the intensity of grinding wheel and make
Use the service life.
A kind of gear forming provided by the invention is ground interior cold grinding wheel, constitutes coolant liquid using several groups arc bifurcated passage
Access.The inner cooling path carries out bifurcated along coolant flow direction, and an each runner group has multiple cooling liquid outlets.Bifurcated passage
For the arcuation bifurcated conduit that several groups are evenly arranged around axle center, entrance is communicated with liquid storage chamber, and grinding wheel cylindrical weekly form is directed toward in outlet
Face grinding area, coolant liquid flies out at a high speed from there washes away workpiece.The centrifugal force that total is generated when being rotated using grinding wheel, makes cold
But liquid is ejected into grinding arc area from multiple channel outlets with high speed, high pressure conditions, drops the temperature of grinding arc area significantly
Low, the processing quality of workpiece is significantly improved.
Compared to grinding wheel cold in routine, grinding wheel inner cooling path edge of the invention flows to direction and certain crooked radian is presented,
So that the angle between the coolant flow direction and workpiece direction of relative movement of channel exit is as small as possible, so that cold
But the cooling efficiency of liquid is improved;In addition, channel outlet number increases at double, and the coolant pressure in exit and flow velocity are aobvious
It writes and improves.During this makes wheel grinding, the coolant liquid of high speed and high pressure can continuously be sprayed from microchannel as far as possible
Workpiece is washed away, the temperature of grinding arc area is effectively reduced, so as to improve the processing quality of workpiece.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is overall structure full sectional view of the invention.
Fig. 3 (a) is the structural schematic diagram of cold bifurcated passage in grinding wheel of the present invention.
Fig. 3 (b) is cold bifurcated passage 3D printing inner cooling channel pictorial diagram in grinding wheel of the present invention
Fig. 4 is that the efficient of the animals and plants for the nature that the present invention uses for reference transports conduit system-insect wing vein figure.
Fig. 5 is the vein figure of the nature animals and plants that the present invention uses for reference efficiently transported in conduit system-Oak Tree leaf.
Fig. 6 (a) is influence change curve of three kinds of grinding operating condition lower grinding wheel grinding and feeding amounts to grinding temperature.
Fig. 6 (b) is influence diagram of the grinding wheel speed to grinding temperature under three kinds of grinding operating conditions in comparative example.
Fig. 6 (c) is the influence curve figure that import pressure opposite grinding cuts temperature.
Fig. 7 is the aliform arc bifurcated cooling passage structure of the increase secondary channel in the embodiment of the present application 2.
In figure: 1- main shaft, 2- connection bolt, the upper matrix of 3-, 4- abrasive grain block, 5- lower substrate, 6- locked spacer, 7- clamp spiral shell
Mother, 8- Pneumatic rotary connector, 9- coolant liquid inlet tube, 10- coolant inlet, 11- liquid storage chamber, 12- sealing ring, 13- bifurcated are logical
Road;
Specific embodiment
For a better understanding of the present invention, the present invention is further retouched with attached drawing combined with specific embodiments below
It states.
Embodiment 1
As shown in Figure 1, a kind of cooling slotted wheel device in inside for plunge grinding, includes main shaft and rotation group
Part, the lower end of the main shaft 1 are connected with the upper matrix 3 of grinding wheel and grinding wheel lower substrate 5;The lower end of main shaft is equipped with screw thread, passes through
Matrix 3 on grinding wheel and grinding wheel lower substrate 5 are fastened on main shaft 1 by binding nut 7;When 1 high speed rotation of main shaft, grinding wheel group will be driven
Part high speed rotation together;The lower end surface of main shaft offers coolant inlet, by Pneumatic rotary connector 8 by coolant inlet 10 with
Coolant liquid inlet tube 9 is connected;
The grinding wheel component includes matrix 3 on grinding wheel, abrasive grain block 4, grinding wheel lower substrate 5, liquid storage chamber 11 and aliform arc point
Pitch channel 13;Matrix 3 and grinding wheel lower substrate 5 are connected by connection bolt 2 on grinding wheel;On bolt and grinding wheel under matrix 3 and grinding wheel
Locked spacer 6 is lined between matrix 5, matrix 3 and grinding wheel lower substrate 5 are clamped nut check on grinding wheel;Matrix 3 and sand on grinding wheel
Embedded with annular liquid storage chamber 11 and several bifurcated passages 13 being connected with liquid storage chamber 11 inside wheel lower substrate 5, several bifurcateds are logical
Road 13 constitutes coolant channels.
The inner radius of the grinding wheel is equipped with coolant inlet, and coolant inlet is communicated with liquid storage chamber 11;Grinding wheel cylindrical circumference
Surface grinding area is equipped with the outlet in channel;The channel is rectangle along the section of grinding wheel circumference tangential direction;The height of liquid storage chamber 11
Degree is greater than aliform arc bifurcated passage height;Fluted, the inside placement expansion ring seale circle 12 is dug in the upper and lower end parts of liquid storage chamber 11,
To guarantee that coolant liquid will not be leaked when entering liquid storage chamber.
Liquid storage chamber 11 be annular channel, close to grinding wheel internal diameter side be equipped with coolant inlet, the other side then with every group of aliform
The entrance of arc bifurcated passage is connected;
Bifurcated passage with identical entrance is a channel group, several channel groups are around grinding wheel axle center circular array cloth
It sets.
Each channel constituents pitch n times, n >=1.The channel group, it is contemplated that cooling effect and bulk structure limit
System, channel group number are N ∈ [8,20], and channel group number selected by this example is 10.
The channel group number, each channel group have n+1 outlet, are bonded in the grinding surface between adjacent channel group outlet
Abrasive grain block.
The bifurcated passage shape is in aliform arc, and the radian of arc can according to the difference of grinding wheel diameter and channel group number
To change;In order to improve heat transfer effect, make velocity vector direction and the grinding table in grinding wheel inner cooling path exit in principle
The angle of face direction of relative movement are as follows: 5 °≤angle≤15 °.
The coolant channels are aliform arc bifurcated passage 13.
Matrix 3 and grinding wheel lower substrate 5 are fastened on main shaft 1 by binding nut 7 on the grinding wheel.
Matrix 3 on the grinding wheel, grinding wheel lower substrate 5 are connected by connecting bolt 2, grinding wheel lower substrate 5 with connect bolt 2
Between be placed with locked spacer 6 to prevent from loosening.
The entrance that coolant liquid is offered on the grinding wheel inner wall processes among matrix 3 and grinding wheel lower substrate 5 on grinding wheel
Carry out circular liquid storage chamber 11, for storing coolant liquid and carrying out current stabilization.
The abrasive grain block 4 passes through on the grinding end face of matrix 3 and grinding wheel lower substrate 5 on vitrified bonding adhesion and grinding wheel.
Matrix 3 on the grinding wheel, grinding wheel lower substrate 5 inner surface be machined with can place annular liquid storage chamber with and phase therewith
The groove of the several groups aliform arc bifurcated passage of connection.
The coolant liquid inlet tube 9 is connected with main shaft 1 by Pneumatic rotary connector 8 to offer coolant liquid inside grinding wheel.
Under the action of external pressure, coolant liquid is passed into behind inner hole of spindle road by adding among matrix 3 on grinding wheel and grinding wheel lower substrate 5
Work comes out circular liquid storage chamber (11), and then flows into inside grinding wheel in bifurcated passage 13, so that coolant liquid directly acts on mill
The area Xiao Hu realizes that the inside of gear forming processing is cooling.
As shown in Fig. 2, being connected between matrix 3 and lower substrate 5 by connection bolt 2 on grinding wheel, matrix 3 and grinding wheel on grinding wheel
It machined the conduit that can be fitted into liquid storage chamber 11 and bifurcated passage 13 between lower substrate 5, coolant liquid is from upper lower substrate in order to prevent
Boundary leakage, machined grinding wheel internal coolant access with the mode of 3D printing, as shown in Fig. 3 (b), and is embedded into grinding wheel
Corresponding position between upper matrix 3, grinding wheel lower substrate 5.It is close using the progress of expansion ring seale circle between liquid storage chamber and grinding wheel base body
Envelope.Abrasive grain block 4 is bonded on the grinding end face of matrix 3 on grinding wheel, grinding wheel lower substrate 5 using vitrified bond.When grinding wheel starts
When work, coolant liquid flows into liquid storage chamber 11 by coolant inlet 10, enters after current stabilization and pressure adjustment are carried out in liquid storage chamber
In the bifurcated passage 13 of aliform arc, then under the action of gravity, external pressure and centrifugal force from channel outlet tangentially
Direction, which flies out, washes away cooling grinding arc area.
Experimental Research on Grinding is carried out to using cold grinding wheel in the aliform bifurcated passage with channel group number n=10, and will
Obtained result is compared with without the cast grinding result of cooling grinding wheel of the dry abrasive cutting also of cold liquid and conventional external.In different works
Grinding temperature is with shown in change curve trend such as Fig. 6 (a)~(b) of grinding depth and grinding wheel speed under condition, wherein Fig. 6 (a) institute
It is shown as influence of the grinding and feeding amount to grinding arc area temperature, it can be seen that as grinding and feeding amount increases, dry abrasive cutting, tradition are outer
The temperature of grinding arc area when portion's casting and internal cooling grinding also increases, and when dry abrasive cutting, grinding and feeding amount is increased by 15 μm
When being added to 20 μm, the temperature of grinding arc area increases 71 DEG C, when grinding and feeding amount increases to 25 μm by 20 μm, the temperature of grinding arc area
Degree increases 16 DEG C.When conventional external casting is cooling, when grinding and feeding amount increases to 20 μm by 15 μm, the temperature liter of grinding arc area
48 DEG C high, when grinding and feeding amount increases to 25 μm by 20 μm, the temperature of grinding arc area increases 38 DEG C.Grinding and feeding when interior cooling
When amount increases to 20 μm by 15 μm, the temperature of grinding arc area increases 43 DEG C, when grinding and feeding amount increases to 25 μm by 20 μm, mill
The temperature in the area Xiao Hu increases 34 DEG C.It is from Fig. 6 (a) it can be seen that cooling compared to external casting, using the interior type of cooling into
The temperature of grinding arc area has dropped about 30% or so when row grinding, therefore can effectively reduce the temperature of grinding arc area.
Fig. 6 (b) show influence of the grinding revolving speed to grinding arc area temperature, it can be seen that grinding wheel speed is higher, dry grinding
Cut, the temperature of conventional external casting and grinding arc area when internal cooling grinding it is higher.When dry abrasive cutting, grinding wheel speed by
When 1200rpm increases to 1400rpm, the temperature of grinding arc area increases 29 DEG C, when grinding wheel speed is increased to by 1400rpm
When 1600rpm, the temperature of grinding arc area increases 39 DEG C.When conventional external casting is cooling, grinding wheel speed is increased to by 1200rpm
When 1400rpm, the temperature of grinding arc area increases 17 DEG C, when grinding wheel speed increases to 1600rpm by 1400rpm, grinding arc area
Temperature increase 42 DEG C.When grinding wheel speed increases to 1400rpm by 1200rpm when interior cooling, the temperature of grinding arc area is increased
19 DEG C, when grinding wheel speed increases to 1600rpm by 1400rpm, the temperature of grinding arc area increases 39 DEG C.It is poured compared to outside
Method is cooling, and the cooling effect of interior cooling is more preferable, and temperature has dropped about 30%.
Fig. 6 (c) show influence of the coolant inlet pressure to grinding arc area temperature, it can be seen that as import pressure increases
Add, the temperature of grinding arc area when conventional external casting and internal cooling grinding all declines.When conventional external casting is cooling, into
When mouth pressure increases to 0.5MPa by 0.4MPa, the temperature of grinding arc area reduces 15 DEG C, when grinding wheel speed is increased by 0.5MPa
When to 0.6MPa, the temperature of grinding arc area reduces by 42 DEG C.When grinding wheel speed increases to 0.5MPa by 0.4MPa when interior cooling, grinding
The temperature in arc area reduces by 19 DEG C, and when grinding wheel speed increases to 0.6MPa by 0.5MPa, the temperature of grinding arc area reduces by 39 DEG C, phase
More cooling than in external casting, the temperature of grinding area has dropped about 30%.
Embodiment 2
As shown in fig. 7, with reference to the structure of insect vein, being designed between two adjacent groups channel secondary logical in the present embodiment
Road, to further increase the uniformity of the coolant flow pressure between channel and speed.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention,
It should not be considered as limiting the scope of the invention.All changes and improvements made in accordance with the scope of the present invention, should all
It still belongs within this patent covering scope.
Claims (7)
1. a kind of interior cooling slotted wheel device for plunge grinding, includes main shaft and rotary components, which is characterized in that institute
The lower end for stating main shaft (1) is connected with matrix on grinding wheel (3) and grinding wheel lower substrate (5);The lower end of main shaft is equipped with screw thread, passes through folder
Matrix on grinding wheel (3) and grinding wheel lower substrate (5) are fastened on main shaft (1) by tight nut (7);When main shaft (1) high speed rotation, by band
Dynamic grinding wheel component high speed rotation together;
The grinding wheel component includes matrix on grinding wheel (3), abrasive grain block (4), grinding wheel lower substrate (5), liquid storage chamber (11) and aliform arc
The bifurcated passage (13) of shape;Matrix (3) and grinding wheel lower substrate (5) pass through connection bolt (2) connection on grinding wheel;On bolt and grinding wheel
It is lined between matrix (3) and grinding wheel lower substrate (5) locked spacer (6), matrix (3) and grinding wheel lower substrate (5) are clamped on grinding wheel
Nut check;Liquid storage chamber (11) on grinding wheel embedded with annular inside matrix (3) and grinding wheel lower substrate (5) and with liquid storage chamber (11) phase
Several bifurcated passages (13) of connection, several bifurcated passages (13) constitute coolant channels.
2. a kind of interior cooling slotted wheel device for plunge grinding as described in claim 1, which is characterized in that the sand
The inner radius of wheel is equipped with coolant inlet, and coolant inlet is communicated with liquid storage chamber (11);Grinding wheel cylindrical circumferential surface grinding area is set
There is the outlet in channel;The channel is rectangle along the section of grinding wheel circumference tangential direction;The height of liquid storage chamber (11) is greater than aliform
Arc bifurcated passage height;
Liquid storage chamber (11) be annular channel, close to grinding wheel internal diameter side be equipped with coolant inlet, the other side then with every group of aliform arc
The entrance of shape bifurcated passage is connected;
Bifurcated passage with identical entrance is a channel group, several channel groups are arranged around grinding wheel axle center circular array.
3. a kind of interior cooling slotted wheel device for plunge grinding according to claim 2, which is characterized in that described
Each channel constituents pitch n times, n >=1.
4. according to a kind of interior cooling slotted wheel device for plunge grinding of claim 3, which is characterized in that the channel group
Number is N ∈ [8,20].
5. a kind of interior cooling slotted wheel device for plunge grinding according to claim 4, which is characterized in that described
Channel group number be 10.
6. a kind of interior cooling slotted wheel device for plunge grinding according to claim 4, which is characterized in that described
Channel group number, each channel group have n+1 outlet, are bonded abrasive grain block in the grinding surface between adjacent channel group outlet.
7. according to claim 1 or a kind of interior cooling slotted wheel device for plunge grinding, which is characterized in that institute
The radian of the bifurcated passage stated, arc can change according to the difference of grinding wheel diameter and channel group number;Make grinding wheel in principle
The velocity vector direction in inner cooling path exit and the angle of grinding skin direction of relative movement are as follows: 5 °≤angle≤15 °.
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Cited By (7)
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CN112355918A (en) * | 2020-10-20 | 2021-02-12 | 黄莉 | Grinding wheel structure and machining process thereof |
CN112536720A (en) * | 2020-11-16 | 2021-03-23 | 湖南大学 | Dust removal cooling method for self-adaptive grinding wheel device of grinding machine |
CN112692739A (en) * | 2021-01-26 | 2021-04-23 | 山东理工大学 | Body armor type grinding wheel internally storing micro-nano abrasive particle mixed shear thickening fluid |
CN112792673A (en) * | 2021-02-05 | 2021-05-14 | 胡正良 | Grinding machine grinding device |
CN113664738A (en) * | 2021-09-06 | 2021-11-19 | 湘潭大学 | Internal cooling grinding wheel |
WO2022100620A1 (en) * | 2020-11-16 | 2022-05-19 | 湖南大学 | Self-adaptive grinding wheel device of grinding machine |
CN117182677A (en) * | 2023-09-23 | 2023-12-08 | 江苏保捷精锻有限公司 | Grinding machine tool for automobile hub outer ring bearing |
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CN1878636A (en) * | 2003-11-12 | 2006-12-13 | Bsh霍利斯股份公司 | Divided grinding tool |
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CN204397643U (en) * | 2014-12-03 | 2015-06-17 | 重庆建大恒益气门有限公司 | Valve grinding wheel for grinding |
CN105415112A (en) * | 2015-12-25 | 2016-03-23 | 长沙理工大学 | Internal grinding wheel and internal cooling system |
CN106272083A (en) * | 2016-08-10 | 2017-01-04 | 长沙理工大学 | A kind of grinding internal cooling system that can automatically calibrate feed flow position |
CN207522407U (en) * | 2017-12-07 | 2018-06-22 | 江苏砺源科技有限公司 | Limit cooling medium stream to grinding wheel |
CN108406620A (en) * | 2018-05-03 | 2018-08-17 | 西安增材制造国家研究院有限公司 | With spray lubricating fluid grinding wheel in modularization abrasive grain and including the grinding attachment of the grinding wheel |
CN109773674A (en) * | 2019-02-26 | 2019-05-21 | 江苏芯工半导体科技有限公司 | Semiconductor wafer composite structure grinding wheel |
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