CN205237831U - Coolant liquid injection apparatus suitable for powerful form grinder - Google Patents
Coolant liquid injection apparatus suitable for powerful form grinder Download PDFInfo
- Publication number
- CN205237831U CN205237831U CN201521004824.2U CN201521004824U CN205237831U CN 205237831 U CN205237831 U CN 205237831U CN 201521004824 U CN201521004824 U CN 201521004824U CN 205237831 U CN205237831 U CN 205237831U
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- vertical
- pressure coolant
- pressure
- hard tube
- liquid spray
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Abstract
The utility model provides a coolant liquid injection apparatus suitable for powerful form grinder, including high -pressure coolant liquid spray tube and middling pressure cooling fluid nozzle, the axial of high pressure coolant liquid spray tube parallels with the axial of emery wheel, sets up a plurality of jet orifices towards emery wheel circumference surface on the pipe wall of high -pressure coolant liquid spray tube, middling pressure cooling fluid nozzle's spray direction aims at the regional tangent line L1 of abrasive machining. In this application, spray direction perpendicular to by the jet orifice spun of high -pressure coolant liquid spray tube high pressure coolant liquid forms the high pressure draught on emery wheel circumference surface, thereby cutoff high air current, therefore, can do not not blown off by the high pressure draught by middling pressure cooling fluid nozzle spun middling pressure coolant liquid and open, thereby there is a large amount of coolant liquids to enter into in the abrasive machining region, and then the heat in the greatly reduced abrasive machining region, and can prevent smear metal jam emery wheel, finally improve powerful form grinding's grinding efficiency and quality, reduce the loss of emery wheel.
Description
Technical field
The utility model relates to the cooling field of grinding machine, particularly relates to a kind of cooling liquid spray device that is applicable to powerful form grinder.
Background technology
Powerful plunge grinding is an advanced cutting edge technology in Modern Manufacturing Technology, the grinding cutting-in of powerful plunge grinding is large,Profile girth is long, metal removal rate is very high, therefore, for traditional grinding, grinding in powerful form grinding processHeat in metal cutting in region is very high. For preventing the heat burn workpiece in grinding region and reducing the loss of emery wheel, asThe heat in metal cutting what is got rid of rapidly and effectively in grinding region is the key of powerful plunge grinding technology success or failure.
At present, the cooling liquid spray device in domestic and international powerful form grinder still adopts common nozzle, only use large flow inPress pump substitutes the mesolow low discharge coolant pump using in traditional grinding machine industry, increases by the flow and the pressure that improve cooling fluidForced-ventilated is except the heat in metal cutting in grinding region. But there is following defect in this mode: in powerful plunge grinding technical field,Due to emery wheel High Rotation Speed, therefore, can form a high pressure draught along emery wheel circle distribution, this high pressure gas in the periphery of emery wheelFail to be convened for lack of a quorum most cooling fluid is dispelled and come, therefore only have a small amount of cooling fluid to enter in grinding region; So, in brute forceIn form grinding process, the heat in metal cutting in grinding region can not be excluded effectively, its still may burn workpiece and millMaterial, thus efficiency and the quality of powerful plunge grinding affected, and this is also the eldest child's difficult problem in grinding technique field.
Application number is the grinding fluid feedway that 201420396510.0 Chinese utility model patent discloses a kind of grinding attachment,It possesses multiple nozzles, and multiple nozzles comprise: emery wheel side face is tangentially sprayed to multiple nozzles of grinding fluid, and from radiusDirection workpiece side is sprayed the nozzle of grinding fluid to emery wheel side face. But the expulsion pressure of above-mentioned multiple nozzles only has one, andRemain conventional low; In addition, the injection direction of multiple nozzles does not cut off the high pressure draught that is formed on emery wheel circumferential surfaceAbility: a, expulsion pressure are inadequate; B, injection direction are not right, and therefore, it is only slightly to increase in grinding regionCooling liquid measure, so it is still applicable to conventional grinding, and be not suitable for that cutting-in is large, profile girth long, metal removal rate veryHigh powerful plunge grinding.
Utility model content
The shortcoming of prior art in view of the above, the technical problems to be solved in the utility model is to provide one to be applicable to brute forceThe cooling liquid spray device of form grinder, can get rid of the heat in metal cutting in grinding region effectively.
For achieving the above object, the utility model provides a kind of cooling liquid spray device that is applicable to powerful form grinder, comprises courtIn grinding region, spray high-pressure coolant jet pipe and the middle pressure coolant nozzle of cooling fluid, the axle of described high-pressure coolant jet pipeTo with axially the paralleling of emery wheel, on the tube wall of high-pressure coolant jet pipe, offer multiple spray-holes towards emery wheel circumferential surface,The injection direction of described middle pressure coolant nozzle is aimed at the tangent line L1 in grinding region.
Further, also comprise two baffle plates that be arranged in parallel, described high-pressure coolant jet pipe and middle pressure coolant nozzle are all fixingOn baffle plate, and two baffle plates are arranged in the two ends of high-pressure coolant jet pipe, are also positioned at the two ends of pressure coolant nozzle.
Preferably, described high-pressure coolant jet pipe is connected with high-pressure coolant carrier pipe, and high-pressure coolant carrier pipe comprises successivelyThe vertical high pressure hard tube, high-pressure hose and the horizontal high pressure hard tube that are connected, described horizontal high pressure hard tube is connected with high-pressure coolant jet pipeConnect; Described middle pressure coolant nozzle is connected with middle pressure coolant pipe, and middle pressure coolant pipe comprises that the vertical middle pressure being connected is successively hardPipe, active joint and the horizontal middle hard tube of pressing, described laterally middle pressure hard tube is connected with middle pressure coolant nozzle.
Further, also comprise and be arranged on the cross slide of wheel guard shell-side face, be connected with cross slide and can be along cross slideThe vertical planker moving forward and backward and the fixture that is connected with vertical planker and can moves up and down along vertical planker, described verticalHigh pressure hard tube and vertical middle pressure hard tube are installed in fixture.
Preferably, the cross slide way portion of extending before and after described cross slide is provided with, described vertical planker is provided with and cross slide wayThe horizontal concrete chute that portion matches; The rear end of described cross slide is fixed with gripper shoe, in this gripper shoe, is equipped with transverse screw, instituteThe front end of stating transverse screw is fixed on vertical planker, and on transverse screw, has been threaded two and lays respectively at before and after gripper shoe twoThe lateral adjustments nut of side.
Further, described vertical planker is provided with the vertical rail portion of downward-extension, and described fixture is provided with and vertical guide railThe vertical chute that portion matches; The upper end of described vertical planker is fixed with gripper shoe, is equipped with vertical screw rod, institute in this gripper shoeThe lower end of stating vertical screw rod is fixed in fixture, and on vertical screw rod, has been threaded two and lays respectively at the upper and lower both sides of gripper shoeVertical adjusting nut.
Preferably, in described fixture, be provided with the through hole that the vertical high pressure hard tube of appearance and vertical middle pressure hard tube pass, on fixture, also openBe provided with the space being connected with through hole and be positioned at the tight lock part of both sides, space, two tight lock parts are connected by bolt.
Further, on the local tube wall of described high-pressure coolant jet pipe, offer described multiple spray-hole.
Preferably, the shower nozzle of described middle pressure coolant nozzle is flat, and the length extension side of the shower nozzle of middle pressure coolant nozzleTo with axially the paralleling of emery wheel.
As mentioned above, the cooling liquid spray device that the utility model relates to, has following beneficial effect:
In the application, the injection direction of the high-pressure coolant being sprayed by the spray-hole of high-pressure coolant jet pipe is perpendicular to being formed on emery wheelThe high pressure draught of circumferential surface, thereby cutoff high air-flow, therefore, can not by the middle pressure cooling fluid of middle pressure coolant nozzle ejectionDispelled out by high pressure draught, thereby have a large amount of cooling fluids to enter in grinding region, and then greatly reduce grinding districtHeat in territory, and can prevent that smear metal from stopping up emery wheel, finally improve the grinding efficiency of powerful plunge grinding and quality, minimizing emery wheelLoss.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the cooling fluid supply piping diagram in the application.
Fig. 3 is the A frame enlarged drawing of Fig. 2.
Fig. 4 is the right view of Fig. 2.
Fig. 5 is the connection diagram of fixture and vertical high pressure hard tube in the application, vertical middle pressure hard tube.
Element numbers explanation
1 high-pressure coolant jet pipe
101 spray-holes
In 2, press coolant nozzle
3 emery wheels
4 baffle plates
5 vertical high pressure hard tubes
6 high-pressure hoses
7 horizontal high pressure hard tubes
8 vertical middle pressure hard tubes
9 active joints
The 10 horizontal middle hard tubes of pressing
11 cross slides
111 cross slide way portions
12 vertical plankers
121 vertical rail portion
13 fixtures
131 spaces
132 tight lock parts
14 gripper shoes
15 transverse screws
16 lateral adjustments nuts
17 vertical screw rods
18 vertical adjusting nuts
19 bolts
Detailed description of the invention
Notice, appended graphic the illustrated structure of this description, ratio, size etc., all only in order to coordinate description to discloseContent, understands and reads for person skilled in the art scholar, not in order to limit the enforceable qualifications of the utility model, thereforeThe not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, is not affecting this practicalityUnder novel effect and the object that can reach that can produce, all should still drop on the technology contents that the utility model discloses and obtain and can containIn the scope of lid. Meanwhile, in this description, quote as " on ", the term of D score, 'fornt', 'back', " hue angle " etc., alsoOnly clear for ease of what narrate, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment,Changing under technology contents, when being also considered as the enforceable category of the utility model without essence.
The utility model provides a kind of cooling liquid spray device that is applicable to powerful form grinder, uses two independences and different pressuresPump, also must configuration filter, prevent from stopping up spray-hole and nozzle, use two pumps and from two different direction injected coolBut liquid, improves cooling effect greatly. As shown in Figure 1, described cooling liquid spray device comprises towards injected cool in grinding machining areaBut the high-pressure coolant jet pipe 1 of liquid and middle pressure coolant nozzle 2, the axle of the axial and emery wheel 3 of described high-pressure coolant jet pipe 1To paralleling, on the tube wall of high-pressure coolant jet pipe 1, offer many tiny and towards the spray-hole of emery wheel 3 circumferential surfaces101, the injection direction of described middle pressure coolant nozzle 2 is aimed at the tangent line L1 in grinding region, described grinding regionTangent line L1 and the circumference of emery wheel 3 tangent. Certainly,, in other equipment for grinding or cutting apparatus, described emery wheel 3 can adoptOther abrasive material.
Emery wheel 3 is in the time of grinding work piece, and high-pressure coolant passes in high-pressure coolant jet pipe 1 and by spray-hole 101 and sprays, byIn high-pressure coolant jet pipe 1 axially and axially the paralleling of emery wheel 3, thereby the injection direction that makes high-pressure coolant substantiallyPerpendicular to the high pressure draught that is formed on emery wheel 3 circumferential surfaces, and then cutoff high air-flow; Meanwhile, middle pressure coolant nozzle 2 edgesIn the tangential jet in grinding region, press cooling fluid, due to high-pressure coolant cutoff high air-flow and at the circumference table of emery wheel 3Face forms parital vacuum, therefore middle pressure cooling fluid can not dispelled and hold by high pressure draught, adds thereby there is a large amount of cooling fluids to enter into grindingIn territory, work area and be adsorbed on the circumferential surface of emery wheel 3, and then greatly reduce the heat in grinding region, prevent that grinding from addingHeat burn workpiece and emery wheel 3 in territory, work area, and can prevent smear metal obstruction emery wheel 3, finally improve the grinding of powerful plunge grindingThe loss of efficiency and quality, minimizing emery wheel 3.
Further, as shown in Figures 2 and 3, also comprise two baffle plates that be arranged in parallel 4, described high-pressure coolant jet pipe 1All be fixed on baffle plate 4 with middle pressure coolant nozzle 2, and two baffle plates 4 are positioned at the two ends of high-pressure coolant jet pipe 1, also positionIn the two ends of middle pressure coolant nozzle 2, two baffle plates 4 can prevent the outside sputter of cooling fluid, make as much as possible cooling fluid all enterIn grinding region.
Preferably, as shown in Figure 2 and Figure 4, described high-pressure coolant jet pipe 1 is connected with high-pressure coolant carrier pipe, high pressureCooling fluid carrier pipe comprises the vertical high pressure hard tube 5, high-pressure hose 6 and the horizontal high pressure hard tube 7 that are connected successively, described horizontal high pressureHard tube 7 is connected with high-pressure coolant jet pipe 1, therefore laterally the front end of high pressure hard tube 7 is fixed on baffle plate 4; Described middle pressure is coldBut nozzle for liquid 2 is connected with middle pressure coolant pipe, and middle pressure coolant pipe comprises that the vertical middle pressure hard tube 8, the activity that are connected successively connect9 and laterally in press hard tube 10, describedly press hard tube 10 to be connected with middle pressure coolant nozzle 2 in laterally, therefore press firmly laterallyThe front end of pipe 10 is fixed on baffle plate 4. Described vertical high pressure hard tube 5 is connected with high pressure coolant pump, described vertical middle pressure hard tube8 are connected with middle pressure coolant pump, meanwhile, by high-pressure hose 6 and active joint 9 are set, can be to high-pressure coolant jet pipe 1Adjust with the corner of middle pressure coolant nozzle 2.
Further, in grinding process, the diameter of emery wheel 3 can constantly diminish, in order to improve cooling effect, to make cold high pressureBut liquid and middle pressure cooling fluid can be ejected into Best Point, in the application, and high-pressure coolant jet pipe 1 and middle pressure coolant nozzle 2 energyEnough synchronously move up and down and move forward and backward. Concrete structure is: as shown in Figure 4, also comprise the horizontal stroke that is arranged on wheel guard shell-side faceBe connected to planker 11, with cross slide 11 and the vertical planker 12 that can move forward and backward along cross slide 11 and dragging with verticalFixture 13, described vertical high pressure hard tube 5 and vertical middle pressure hard tube that plate 12 is connected and can moves up and down along vertical planker 128 are installed in fixture 13, and vertical planker 12 moves forward and backward along cross slide 11, to drive fixture 13, vertical high pressureHard tube 5, vertical middle pressure hard tube 8, baffle plate 4, high-pressure coolant jet pipe 1 and middle pressure coolant nozzle 2 synchronously move forward and backward;Fixture 13 moves up and down along vertical planker 12, to drive vertical high pressure hard tube 5, vertical middle pressure hard tube 8, baffle plate 4, high pressureCoolant nozzle 1 and middle pressure coolant nozzle 2 synchronously move up and down.
Preferably, the structure that described vertical planker 12 moves forward and backward along cross slide 11 is: as shown in Figure 2 and Figure 4, described inThe cross slide way portion 111 of extending before and after cross slide 11 is provided with, described vertical planker 12 is provided with and cross slide way portion 111The horizontal concrete chute matching; The rear end of described cross slide 11 is fixed with gripper shoe 14, in this gripper shoe 14, is equipped with horizontal spiral shellBar 15, the front end of described transverse screw 15 is fixed on vertical planker 12, and has been threaded two points on transverse screw 15Be not positioned at the lateral adjustments nut 16 of gripper shoe 14 both sides, front and back. Rotate lateral adjustments nut 16, transverse screw 15 is supportingIn plate 14, can move forward and backward, thereby drive vertical planker 12 to move forward and backward along directions X; After adjusting completes, rotate lateral adjustmentsNut 16, make two lateral adjustments nuts 16 be resisted against the both sides, front and back of gripper shoe 14, thereby can limit transverse screw 15Move forward and backward.
Preferably, the structure that described fixture 13 moves up and down along vertical planker 12 is: as shown in Figure 2 and Figure 4, and described hanging downBe provided with the vertical rail portion 121 of upper downward-extension to planker 12, described fixture 13 is provided with vertical rail portion 121 and matchesThe vertical chute closing; The upper end of described vertical planker 12 is fixed with gripper shoe 14, is equipped with vertical screw rod 17 in this gripper shoe 14,The lower end of described vertical screw rod 17 is fixed in fixture 13, and on vertical screw rod 17, has been threaded two and lays respectively at supportThe vertical adjusting nut 18 of plate both sides Shang Xia 14. Rotate vertical adjusting nut 18, vertical screw rod 17 can in gripper shoe 14Move up and down, thereby drive fixture 13 to move up and down along Z direction; After adjusting completes, rotate vertical adjusting nut 18, makeTwo vertical adjusting nuts 18 are resisted against the both sides up and down of gripper shoe 14, thereby can limit moving up and down of vertical screw rod 17.
Preferably, as shown in Figure 5, in described fixture 13, be provided with and hold that vertical high pressure hard tube 5 and vertical middle pressure hard tube 8 passThrough hole, also offers the space 131 being connected with through hole and is positioned at the tight lock part 132 of 131 both sides, space on fixture 13,Two tight lock parts 132 are connected by bolt 19, and then vertical high pressure hard tube 5 and vertical middle pressure hard tube 8 are locked to fixtureIn 13.
Further, described high-pressure coolant jet pipe 1 is offered described multiple spray-hole 101 on the local tube wall of emery wheel 3,To prevent the waste of high-pressure coolant.
Preferably, as shown in Figure 1 to Figure 3, the shower nozzle of described middle pressure coolant nozzle 2 is flat, and the spray of middle pressure cooling fluidThe length bearing of trend of the shower nozzle of mouth 2 and axially paralleling of emery wheel 3.
In sum, the utility model has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model. AnyPerson skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable is not departing under the spirit and technological thought that the utility model disclosesAll equivalences that complete are modified or change, and must be contained by claim of the present utility model.
Claims (9)
1. a cooling liquid spray device that is applicable to powerful form grinder, is characterized in that: comprise towards injected cool in grinding machining areaBut the high-pressure coolant jet pipe (1) of liquid and middle pressure coolant nozzle (2), described high-pressure coolant jet pipe (1) axially withAxially paralleling of emery wheel (3), offers multiple towards emery wheel (3) circumference on the tube wall of high-pressure coolant jet pipe (1)The spray-hole (101) on surface, the injection direction of described middle pressure coolant nozzle (2) is aimed at the tangent line L1 in grinding region.
2. cooling liquid spray device according to claim 1, is characterized in that: also comprise two baffle plates that be arranged in parallel (4),It is upper that described high-pressure coolant jet pipe (1) and middle pressure coolant nozzle (2) are all fixed on baffle plate (4), and two baffle plates (4)Be arranged in the two ends of high-pressure coolant jet pipe (1), be also positioned at the two ends of pressure coolant nozzle (2).
3. cooling liquid spray device according to claim 1, is characterized in that: described high-pressure coolant jet pipe (1) and high pressureCooling fluid carrier pipe is connected, and high-pressure coolant carrier pipe comprises the vertical high pressure hard tube (5), the high-pressure hose (6) that are connected successivelyWith horizontal high pressure hard tube (7), described horizontal high pressure hard tube (7) is connected with high-pressure coolant jet pipe (1); Described middle pressureCoolant nozzle (2) is connected with middle pressure coolant pipe, middle pressure coolant pipe comprise successively the vertical middle pressure hard tube (8) that is connected,Active joint (9) and the laterally middle hard tube (10) of pressing, described laterally middle hard tube (10) and the middle pressure coolant nozzle (2) of pressingBe connected.
4. cooling liquid spray device according to claim 3, is characterized in that: also comprise and be arranged on the horizontal of wheel guard shell-side facePlanker (11), be connected with cross slide (11) and the vertical planker (12) that can move forward and backward along cross slide (11),And the fixture (13) that is connected with vertical planker (12) and can moves up and down along vertical planker (12), described verticalHigh pressure hard tube (5) and vertical middle pressure hard tube (8) are installed in fixture (13).
5. cooling liquid spray device according to claim 4, is characterized in that: before and after described cross slide (11) is provided with, prolongThe cross slide way portion (111) of stretching, described vertical planker (12) is provided with match with cross slide way portion (111) horizontalChute; The rear end of described cross slide (11) is fixed with gripper shoe (14), and this gripper shoe is equipped with horizontal spiral shell in (14)Bar (15), it is upper that the front end of described transverse screw (15) is fixed on vertical planker (12), and the upper spiral shell of transverse screw (15)Line is connected with two lateral adjustments nuts (16) that lay respectively at both sides, gripper shoe (14) front and back.
6. cooling liquid spray device according to claim 4, is characterized in that: described vertical planker (12) is provided with downwardThe vertical rail portion (121) of stretching, described fixture (13) is provided with the vertical cunning matching with vertical rail portion (121)Groove; The upper end of described vertical planker (12) is fixed with gripper shoe (14), and this gripper shoe is equipped with vertical screw rod in (14)(17), the lower end of described vertical screw rod (17) is fixed in fixture (13), and the upper screw thread of vertical screw rod (17) connectsBe connected to two vertical adjusting nuts (18) that lay respectively at the upper and lower both sides of gripper shoe (14).
7. cooling liquid spray device according to claim 4, is characterized in that: in described fixture (13), be provided with and hold vertical heightPress hard tube (5) and the through hole that passes of vertical middle pressure hard tube (8), on fixture (13), also offer and be connected with through holeSpace (131) and be positioned at the tight lock part (132) of both sides, space (131), two tight lock parts (132) are by bolt (19)Be connected.
8. cooling liquid spray device according to claim 1, is characterized in that: the part of described high-pressure coolant jet pipe (1)On tube wall, offer described multiple spray-hole (101).
9. cooling liquid spray device according to claim 1, is characterized in that: the shower nozzle of described middle pressure coolant nozzle (2)Be flat, and the length bearing of trend of shower nozzle of middle pressure coolant nozzle (2) and axially paralleling of emery wheel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004824.2U CN205237831U (en) | 2015-12-04 | 2015-12-04 | Coolant liquid injection apparatus suitable for powerful form grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004824.2U CN205237831U (en) | 2015-12-04 | 2015-12-04 | Coolant liquid injection apparatus suitable for powerful form grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205237831U true CN205237831U (en) | 2016-05-18 |
Family
ID=55936910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521004824.2U Expired - Fee Related CN205237831U (en) | 2015-12-04 | 2015-12-04 | Coolant liquid injection apparatus suitable for powerful form grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205237831U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965381A (en) * | 2016-06-24 | 2016-09-28 | 芜湖东旭光电科技有限公司 | Liquid crystal glass subtract grinding device and grinding method |
| CN107214577A (en) * | 2017-07-19 | 2017-09-29 | 无锡威孚高科技集团股份有限公司 | A kind of miniature blind hole grinding mechanism, grinding attachment and the method for grinding of oil-feed valve seat |
| CN107398830A (en) * | 2017-09-20 | 2017-11-28 | 瓦房店阿科比轴承有限公司 | The cooling device of bearing ring grinding internal surface |
| CN113510618A (en) * | 2021-08-11 | 2021-10-19 | 北京博鲁斯潘精密机床有限公司 | Grinding wheel cooling device, cutter cooling system and cooling control method thereof |
| CN114012606A (en) * | 2021-10-21 | 2022-02-08 | 北京博鲁斯潘精密机床有限公司 | Strong cooling and cleaning device for grinding and milling of aero-engine blade |
-
2015
- 2015-12-04 CN CN201521004824.2U patent/CN205237831U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965381A (en) * | 2016-06-24 | 2016-09-28 | 芜湖东旭光电科技有限公司 | Liquid crystal glass subtract grinding device and grinding method |
| CN105965381B (en) * | 2016-06-24 | 2019-05-03 | 芜湖东旭光电科技有限公司 | A kind of liquid crystal glass base grinding device and grinding method |
| CN107214577A (en) * | 2017-07-19 | 2017-09-29 | 无锡威孚高科技集团股份有限公司 | A kind of miniature blind hole grinding mechanism, grinding attachment and the method for grinding of oil-feed valve seat |
| CN107398830A (en) * | 2017-09-20 | 2017-11-28 | 瓦房店阿科比轴承有限公司 | The cooling device of bearing ring grinding internal surface |
| CN113510618A (en) * | 2021-08-11 | 2021-10-19 | 北京博鲁斯潘精密机床有限公司 | Grinding wheel cooling device, cutter cooling system and cooling control method thereof |
| CN114012606A (en) * | 2021-10-21 | 2022-02-08 | 北京博鲁斯潘精密机床有限公司 | Strong cooling and cleaning device for grinding and milling of aero-engine blade |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20171204 |