CN117103129B - Grinding fluid adding mechanism of grinder - Google Patents
Grinding fluid adding mechanism of grinder Download PDFInfo
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- CN117103129B CN117103129B CN202311350443.9A CN202311350443A CN117103129B CN 117103129 B CN117103129 B CN 117103129B CN 202311350443 A CN202311350443 A CN 202311350443A CN 117103129 B CN117103129 B CN 117103129B
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- piston
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- 239000012530 fluid Substances 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 title claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 47
- 238000004891 communication Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 15
- 230000005489 elastic deformation Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 238000005498 polishing Methods 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a grinding fluid adding mechanism of a grinding machine, which relates to the technical field of grinding machines and comprises a machine body, a grinding cavity, a grinding disc, a first bracket, a fixed ring, a deformation sleeve, a conical groove, a strip-shaped groove, a communicating cavity and a spray hole; a grinding fluid conveying unit for conveying grinding fluid into the communication cavity; and the elastic deformation unit is used for driving the deformation sleeve to vertically move so as to elastically bend the deformation sleeve. When the deformation sleeve moves upwards, the deformation sleeve and the conical groove on the fixed ring slide relatively, so that a plurality of elastic valve bodies of the deformation sleeve elastically bend, the elastic valve bodies elastically shrink, the spray holes of the elastic valve bodies horizontally move, the ball rolls in the spiral rolling groove, the deformation sleeve is driven to rotate, the spray holes move in the circumferential direction, the spray hole blind areas of the spray holes can be reduced, the grinding liquid spraying device is suitable for spraying grinding liquid to workpieces with larger outer diameters, and the grinding precision is improved.
Description
Technical Field
The invention relates to the technical field of grinding machines, in particular to a grinding fluid adding mechanism of a grinding machine.
Background
A grinder is a grinder that grinds a surface of a workpiece with a grinder coated with or embedded with an abrasive. The grinding device is mainly used for grinding high-precision planes, inner and outer cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other molded surfaces in workpieces. When the polishing agent is used for single-sided polishing and lapping of materials, it is necessary to add a polishing liquid to the surface of a polishing disk.
The grinding fluid on the grinding machine in the prior art is mainly conveyed to a spray head through a water pump and then sprayed to the surface of a grinding disc through the spray head, the spray head on the existing grinding machine is usually fixedly installed or can be adjusted to a certain angle, for example, a coarse grinding fluid adding device for a plane grinding polishing machine disclosed in Chinese patent publication No. CN218697689U relates to the technical field of coarse grinding fluid adding, and the coarse grinding fluid adding device for the plane grinding polishing machine comprises a fluid storage cavity, and one side of the fluid storage cavity is welded with a buckle; one side of the liquid storage cavity far away from the buckle is movably connected with a speed regulating assembly; the outer end of the speed regulating component is provided with a universal spray pipe in a matching way, and the tail end of the universal spray pipe is provided with a spray nozzle in a matching way; one side of the liquid storage cavity is connected with a quick connector in a threaded manner, and when the bearing is used, coarse grinding liquid enters the liquid storage cavity through the quick connector, is sprayed out of the nozzle along the universal spray pipe and is sprayed on the bearing; when the bearing needs to be subjected to annular rotary spraying, a worker lightly dials the universal spray pipe, the speed regulating assembly rotates by taking the cylindrical pipe as the center, and the spray nozzle can be subjected to annular spraying along the outer edge of the bearing.
When grinding a workpiece with a large area or a large diameter, the grinding liquid sprayed out by the existing spray nozzle inevitably has a certain blind area, and even if the blind area is small, the grinding precision of the workpiece can be affected to a certain extent.
For this purpose, we propose a mechanism for adding the grinding fluid to the grinder.
Disclosure of Invention
The present invention is directed to a mechanism for adding polishing liquid to a polishing machine, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a grind liquid adding mechanism of machine, includes the organism of grinding machine and locates the grinding chamber of organism, be equipped with the grinding disc in the grinding chamber, still include:
the first bracket is connected to the top of the machine body and fixedly connected with a fixed ring, and the fixed ring is coaxial with the grinding disc;
the deformation sleeve is movably connected in the fixing ring, the inside of the deformation sleeve is hollow, the outer diameter of the deformation sleeve sequentially increases from top to bottom, the fixing ring is coaxially provided with a conical groove which is used for the deformation sleeve to be clamped and can slide up and down freely, the periphery of the deformation sleeve is provided with a plurality of strip-shaped grooves in a notch form, the periphery of the deformation sleeve is divided into a plurality of elastic valve bodies which can be elastically bent by the plurality of strip-shaped grooves, the elastic valve bodies are internally provided with a communication cavity, and the inner wall of the elastic valve body is provided with a plurality of spray holes communicated with the communication cavity;
a grinding fluid conveying unit for conveying grinding fluid into the communication cavity;
and the elastic deformation unit is used for driving the deformation sleeve to vertically move so as to elastically bend the deformation sleeve.
Preferably, a plurality of the strip-shaped grooves are arranged in an axial circumferential array along the deformation sleeve.
Preferably, the polishing liquid conveying unit includes:
the storage bin is connected with the machine body and used for storing grinding fluid;
the water pump is arranged in the storage bin, and the water inlet of the water pump is communicated with the inside of the storage bin;
the connecting column is coaxially connected to the top surface of the deformation sleeve, and a communication hole which penetrates through the communication cavity and is in a blind hole form is formed in the connecting column;
the rotary ring is rotationally sleeved on the connecting column, an annular cavity is formed in the rotary ring, a through groove communicated with the communication hole is formed in the outer wall of the connecting column, the through groove is communicated with the annular cavity, and the rotary ring is connected with the water pump through a flow regulating device.
Preferably, the connecting column is fixedly sleeved with two stop rings from top to bottom in sequence, the rotating ring is positioned between the two stop rings, and two axial end faces of the rotating ring are respectively in sliding contact with the end faces of the two stop rings.
Preferably, the elastic deformation unit comprises a second bracket connected to the first bracket, wherein a cylinder is vertically installed on the second bracket, and a cylinder shaft of the cylinder is rotatably connected with the connecting column.
Preferably, the horizontal rigid coupling of second support has the diaphragm, the rigid coupling has fixed cover on the diaphragm, fixed cover slidingly suit in the spliced pole, rotationally inlay on the fixed cover inner wall and be equipped with two balls, the spliced pole outer wall is offered and is supplied the ball block, and can freely roll the spiral rolling groove.
Preferably, the flow regulating device comprises a connecting pipe horizontally penetrating through the second support, one end of the connecting pipe is connected with a connecting seat in a penetrating way, the other end of the connecting pipe is connected with a water outlet of the water pump in a penetrating way through a water pipe, a piston is hollow inside the connecting seat and clamped with the connecting seat, the thickness of the piston is not smaller than the inner diameter of the connecting pipe, a communicating space is defined between the lower end surface of the piston and the inner bottom wall of the connecting seat, a pipe connector communicated with the communicating space is arranged on the outer wall of the connecting seat, the pipe connector is connected with the rotating ring in a penetrating way through the water pipe, and the connecting seat is provided with a jacking part which is used for synchronously driving the piston to move upwards when the deformation sleeve moves upwards.
Preferably, the jacking portion includes:
the sliding rod is vertically fixedly connected with the piston and slides out of the bottom of the connecting seat;
a spring vertically installed in the connecting seat and elastically pushing the piston downwards;
the top plate is coaxially and fixedly connected to the top of the deformation sleeve, and the bottom of the sliding rod is in abutting connection with the top plate.
Preferably, the lower end of the sliding rod is rotatably connected with a roller, and the roller is in rolling connection with the upper surface of the top plate.
Preferably, the sliding rod is rectangular in cross section.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the deformation sleeve and the fixing ring are arranged, when the deformation sleeve moves upwards, the deformation sleeve and the conical groove on the fixing ring slide relatively, so that a plurality of elastic valve bodies of the deformation sleeve elastically bend, the elastic valve bodies elastically contract, the spray holes of the elastic valve bodies horizontally move, in addition, the ball rolls in the spiral rolling groove to drive the deformation sleeve to rotate, so that the spray holes move in the circumferential direction, the spray hole dead zone of the spray holes can be reduced, the grinding liquid spraying device is suitable for spraying grinding liquid to workpieces with larger outer diameters, and the grinding precision is improved;
according to the invention, the flow adjusting device is arranged, so that when the deformation sleeve moves upwards, the flow adjusting device can increase the flow of the spray hole, and further, when the deformation sleeve elastically contracts, the spray radius of the spray hole is increased, and the spray range of the grinding fluid is increased;
according to the invention, when the deformation sleeve moves upwards, the sliding rod is propped against the top plate, and the top plate drives the sliding rod to move upwards, so that the piston moves upwards, the size of the area of the piston blocking the orifice of the connecting pipe is reduced, and the flow of the spray orifice is increased.
Drawings
FIG. 1 is a schematic view showing the overall structure of a mechanism for adding a polishing liquid to a polishing machine according to the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from the bottom;
FIG. 3 is a schematic elevational view of the structure of FIG. 1;
FIG. 4 is a schematic view of the assembled deformation sleeve, top plate and connecting post according to the present invention;
FIG. 5 is a schematic cross-sectional view of the structure of FIG. 4;
FIG. 6 is a schematic view of the structure of FIG. 4 from below;
FIG. 7 is a schematic view of the assembled slide bar, connecting seat and connecting tube according to the present invention;
FIG. 8 is a schematic cross-sectional view of the structure of FIG. 7;
FIG. 9 is a schematic cross-sectional view of the structure of FIG. 7 at an elevation angle;
fig. 10 is a schematic structural view of the assembled second bracket, cross plate and fixing sleeve of the present invention.
In the drawings, the reference numerals are explained as follows: 1. a body; 2. a storage bin; 3. a water pump; 4. a grinding disc; 5. a deformation sleeve; 6. a fixing ring; 7. a first bracket; 8. a top plate; 9. a cross plate; 10. a second bracket; 11. a cylinder; 12. a connecting seat; 13. a rotating ring; 14. a spray hole; 15. a connecting pipe; 16. a slide bar; 17. a bar-shaped groove; 18. a connecting column; 19. a stop ring; 20. a through groove; 21. a spiral rolling groove; 22. a communication hole; 23. a communication chamber; 24. a tube interface; 25. a roller; 26. a spring; 27. a piston; 28. a communicating space; 29. a fixed sleeve; 30. and (3) rolling balls.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: the utility model provides a grinding fluid adding mechanism of grinder, including the organism 1 of grinder and locate the grinding chamber of organism 1, be equipped with grinding disc 4 in the grinding chamber, grinding disc 4 can be rotated by motor drive, the welding of organism 1 top has the first support 7 of U-shaped in addition, first support 7 welding has solid fixed ring 6, gu fixed ring 6 is coaxial with grinding disc 4, screw connection has second support 10 on the first support 7, the cylinder 11 is installed vertically at the top of second support 10, a spliced pole 18 is connected in the coaxial rotation of cylinder shaft of cylinder 11, a deformation cover 5 of spliced pole 18 lower extreme coaxial welding, in addition deformation cover 5 swing joint is in gu fixed ring 6, deformation cover 5 inside hollow and its external diameter top-down increase gradually, gu fixed ring 6 coaxial set up the confession deformation cover 5 block, and can freely slide up and down the taper groove of sliding, deformation cover 5 periphery has a plurality of notch form's bar-shaped groove 17, a plurality of bar-shaped groove 17 separate deformation cover 5 periphery into a plurality of orifice elastic bending elastic valve body, set up the intercommunication chamber 23 in the elastic valve body, set up the elastic valve body inner wall has seted up a plurality of through holes on the elastic valve body inner wall and has been seted up a plurality of through-hole 14 and a connecting column 18, the axial direction is contracted to be made the cylinder sleeve 5 to be contracted to the axial direction is contracted to the axial direction when the cylinder 5 is contracted, the axial extension is made the elastic valve 5 is contracted, and the axial extension is made the axial extension is contracted, and the axial extension is made to be contracted, the axial extension is set up and is contracted, the axial extension 5 is contracted.
The machine body 1 is connected with a storage bin 2 which stores grinding fluid inside by a screw mode, a water pump 3 is arranged at the top of the storage bin 2, a water inlet of the water pump 3 is communicated with the inside of the storage bin 2, a communication hole 22 which penetrates through a communication cavity 23 and is in a blind hole form is formed in a connecting column 18, a rotating ring 13 is sleeved on the connecting column 18 in a rotating mode, specifically, the connecting column 18 is fixedly sleeved with two stop rings 19 from top to bottom in sequence, the rotating ring 13 is positioned between the two stop rings 19, two axial end faces of the rotating ring 13 are respectively in sliding contact with the end faces of the two stop rings 19, the rotating ring 13 is further sleeved on the connecting column 18 in a rotating mode, an annular cavity (not shown in the figure) is formed in the rotating ring 13, a through groove 20 which is communicated with the communication hole 22 is formed in the outer wall of the connecting column 18, the through groove 20 is communicated with the annular cavity, after the water pump 3 is started, the water pump 3 conveys the grinding fluid in the storage bin 2 to the rotating ring 13 through the water pipe, then the grinding fluid is conveyed into the through groove 20 and the communication hole 22 by the rotary ring 13, so that the grinding fluid is conveyed into the communication cavity 23 of the elastic valve body and can be sprayed out from the spray holes 14, in addition, the transverse plate 9 is horizontally fixedly connected with the second bracket 10, the fixed sleeve 29 is fixedly connected with the transverse plate 9, the fixed sleeve 29 is sleeved on the connecting column 18 in a sliding way, two balls 30 are rotationally embedded on the inner wall of the fixed sleeve 29, the outer wall of the connecting column 18 is provided with a spiral rolling groove 21 which is used for the balls 30 to be clamped and can freely roll, when the deformation sleeve 5 moves upwards, the balls 30 roll in the spiral rolling groove 21, and as the spiral rolling groove 21 is spiral, when the balls 30 roll in the spiral rolling groove 21, the connecting column 18 can rotate, and then the deformation sleeve 5 is driven to rotate, so that a plurality of spray holes 14 of the elastic valve body rotate in the circumferential direction, thus, the spray hole 14 can move circularly and horizontally, so that the spray of the spray hole 14 can not generate blind areas.
The connecting pipe 15 is horizontally arranged on the second support 10 in a penetrating way, one end of the connecting pipe 15 is connected with the connecting seat 12 in a penetrating way, the other end of the connecting pipe 15 is connected with a water outlet of the water pump 3 in a penetrating way through a water pipe, a piston 27 is hollow in the connecting seat 12 and clamped, the thickness dimension of the piston 27 is not smaller than the inner diameter dimension of the connecting pipe 15, a communicating space 28 is defined between the lower end surface of the piston 27 and the inner bottom wall of the connecting seat 12, a pipe joint 24 communicated with the communicating space 28 is arranged on the outer wall of the connecting seat 12, the pipe joint 24 is connected with the rotating ring 13 in a penetrating way through a water pipe, the lower end surface of the piston 27 is vertically connected with a sliding rod 16 which slides out of the bottom of the connecting seat 12, a spring 26 is vertically arranged in the connecting seat 12, the spring 26 elastically abuts against the piston 27 downwards, the top plate 8 in an everting way is coaxially connected with the top plate 5, the lower end of the sliding rod 16 is rotationally connected with a roller 25, and the roller 25 is in rolling connection with the upper surface of the top plate 8. When the deformation sleeve 5 moves upwards, the roller 25 is subjected to the jacking force of the top plate 8, the sliding rod 16 is driven to move upwards, the sliding rod 16 synchronously drives the piston 27 to move upwards, so that the blocking sealing area of the piston 27 to the orifice of the connecting pipe 15 is reduced, the flow of the orifice of the connecting pipe 15 can be increased, in addition, the cross section of the sliding rod 16 is rectangular, and the rotation phenomenon of the sliding rod 16 is avoided.
The working principle of the invention is as follows: the workpiece to be grinded is placed on the grinding disc 4, the grinding disc 4 rotates, in addition, the external counterweight pinch roller generates downward pressure on the workpiece, so that the workpiece can be grinded by the grinding disc 4, the water pump 3 is started, the water pump 3 conveys grinding fluid in the storage bin 2 to the connecting pipe 15 through the water pipe, then the grinding fluid is conveyed to the communicating space 28 of the connecting seat 12 from the connecting pipe 15, in an initial state, the deformation sleeve 5 is not subjected to extrusion force of the inner wall of the conical groove on the fixing ring 6, or the extrusion force is smaller, so that the deformation sleeve 5 does not generate elastic shrinkage deformation, at the moment, the spring 26 elastically props against the piston 27, the periphery of the piston 27 can block the pipe orifice of the connecting pipe 15, so that the opening width of the pipe orifice of the connecting pipe 15 is smaller, at the moment, the grinding fluid is conveyed to the pipe orifice 24 from the communicating space 28, then the grinding fluid is conveyed to the annular cavity of the rotating ring 13 through the water pipe, the grinding fluid is sprayed to the surface of the workpiece on the grinding disc 4 through the spray holes 14 and then downwards sprayed to the surface of the workpiece on the grinding disc 4 through the spray holes 14 after entering the communication holes 22 from the through grooves 20, simultaneously, in the grinding process, the cylinder 11 is continuously and repeatedly started by an external electromagnetic valve, the cylinder shaft of the cylinder 11 is firstly shortened and drives the connecting column 18 to move upwards, so that the deformation sleeve 5 and the inner wall of the cone groove relatively slide, the outer wall of the deformation sleeve 5 is subjected to the extrusion force of the inner wall of the cone groove, the deformation sleeve 5 generates elastic shrinkage deformation due to the strip-shaped grooves 17 formed in the deformation sleeve 5, the spray holes 14 can horizontally move, in addition, when the connecting column 18 moves upwards, the balls 30 roll in the spiral rolling groove 21, and the balls 30 roll in the rolling process, the deformation sleeve 5 is driven to rotate, so that a plurality of spray holes 14 on the deformation sleeve 5 also rotate, the spraying range of the grinding fluid in the horizontal movement and the circular movement process of the spray holes 14 is increased, so that the spraying blind area is smaller, the grinding precision and efficiency are improved, in addition, after the deformation sleeve 5 moves upwards, the spray radius of the spray holes 14 can not cover the edge of the grinding cavity due to the fact that a plurality of elastic valve bodies are close to each other, in the initial state of the deformation sleeve 5, if the flow rate of the grinding fluid in the spray holes 14 is larger, the spray radius coverage of the spray holes 14 can exceed the edge of the grinding cavity, and further the waste of the grinding fluid is caused, in the embodiment, by setting the initial state, the piston 27 can partially block the orifice of the connecting pipe 15, so that the flow rate of the spray holes 14 is smaller in the initial state, the grinding fluid is prevented from being sprayed to the outside of the grinding cavity, and when the deformation sleeve 5 moves upwards, the top plate 8 is in rolling contact with the roller 25, and the sliding rod 16 is driven to move, so that the area of the connecting pipe orifice 15 can not cover the edge of the grinding cavity, or the opening width of the connecting pipe 15 is increased, so that the flow rate of the water pump 3 is increased, the spray holes 14 moves towards the inner wall of the cylinder 14, so that the elastic valve bodies can move towards the outer side of the cylinder 27, and the piston 15 is stretched towards the outer side of the cylinder, and the piston 15, so that the deformation sleeve is stretched, and the expansion cylinder is stretched, and the expansion of the piston is stretched, and the piston 14 is moved towards the inner side, and the spray hole is opened, and the spray hole is moves and the expansion, and the spray hole is moves. So that the opening width of the orifice of the connecting pipe 15 is reduced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a grinding fluid adding mechanism of grinding machine, includes organism (1) and the locating of grinding machine organism (1) grind the chamber, grind intracavity and be equipped with grinding disk (4), its characterized in that still includes:
the first bracket (7) is connected to the top of the machine body (1), the first bracket (7) is fixedly connected with a fixed ring (6), and the fixed ring (6) is coaxial with the grinding disc (4);
the deformation sleeve (5) is movably connected in the fixed ring (6), the deformation sleeve (5) is hollow and the outer diameter of the deformation sleeve is sequentially increased from top to bottom, the fixed ring (6) is coaxially provided with a conical groove which is used for clamping the deformation sleeve (5) and can freely slide up and down, the periphery of the deformation sleeve (5) is provided with a plurality of strip-shaped grooves (17) in a notch form, the periphery of the deformation sleeve (5) is divided into a plurality of elastic valve bodies capable of being elastically bent by the strip-shaped grooves (17), the elastic valve bodies are internally provided with a communication cavity (23), and the inner wall of the elastic valve body is provided with a plurality of spray holes (14) communicated with the communication cavity (23);
a polishing liquid conveying unit for conveying the polishing liquid into the communication cavity (23);
an elastic deformation unit for driving the deformation sleeve (5) to vertically move so as to elastically bend the deformation sleeve (5);
the polishing liquid conveying unit includes:
a storage bin (2) connected to the machine body (1) and used for storing grinding fluid;
the water pump (3) is arranged in the storage bin (2) and the water inlet is communicated with the inside of the storage bin (2);
the connecting column (18) is coaxially connected to the top surface of the deformation sleeve (5), and a communication hole (22) penetrating through the communication cavity (23) and in a blind hole form is formed in the connecting column (18);
the rotary ring (13) is rotationally sleeved on the connecting column (18), an annular cavity is formed in the rotary ring (13), a through groove (20) communicated with the communication hole (22) is formed in the outer wall of the connecting column (18), the through groove (20) is communicated with the annular cavity, and the rotary ring (13) is connected with the water pump (3) through a flow regulating device;
the elastic deformation unit comprises a second bracket (10) connected to the first bracket (7), an air cylinder (11) is vertically arranged on the second bracket (10), and an air cylinder shaft of the air cylinder (11) is rotationally connected with the connecting column (18);
the horizontal rigid coupling of second support (10) has diaphragm (9), the rigid coupling has fixed cover (29) on diaphragm (9), fixed cover (29) slidingly suit in spliced pole (18), rotationally inlay dress is equipped with two balls (30) on fixed cover (29) inner wall, spiral rolling groove (21) that supplies ball (30) block and can freely roll are offered to spliced pole (18) outer wall.
2. A grinding fluid adding mechanism of a grinding machine according to claim 1, characterized in that a plurality of said strip-shaped grooves (17) are arranged in an axially circumferential array along said deformation sleeve (5).
3. The grinding fluid adding mechanism of a grinding machine according to claim 1, wherein the connecting column (18) is fixedly sleeved with two stop rings (19) from top to bottom in sequence, the rotating ring (13) is positioned between the two stop rings (19), and two axial end surfaces of the rotating ring (13) are respectively in sliding contact with the end surfaces of the two stop rings (19).
4. The grinding fluid adding mechanism of a grinding machine according to claim 1, wherein the flow adjusting device comprises a connecting pipe (15) horizontally penetrating through the second bracket (10), one end of the connecting pipe (15) is connected with a connecting seat (12) in a penetrating way, the other end of the connecting pipe (15) is connected with a water outlet of the water pump (3) in a penetrating way through a water pipe, a piston (27) is hollow in the connecting seat (12) and clamped, the thickness dimension of the piston (27) is not smaller than the inner diameter dimension of the connecting pipe (15), a communicating space (28) is formed between the lower end surface of the piston (27) and the inner bottom wall of the connecting seat (12), a pipe joint (24) communicated with the communicating space (28) is arranged on the outer wall of the connecting seat (12), the pipe joint (24) is connected with the rotating ring (13) in a penetrating way through the water pipe, and the connecting seat (12) is provided with a jacking part which is used for synchronously driving the piston (27) to move upwards when the deformation sleeve (5) moves upwards.
5. The polishing liquid adding mechanism of a polishing machine as set forth in claim 4, wherein said lifting portion includes:
the sliding rod (16) is vertically fixedly connected with the piston (27) and slides out of the bottom of the connecting seat (12);
a spring (26) vertically installed in the connecting seat (12) and elastically pushing down the piston (27);
the top plate (8) is coaxially fixedly connected to the top of the deformation sleeve (5), and the bottom of the sliding rod (16) is in abutting connection with the top plate (8).
6. The grinding fluid adding mechanism of a grinding machine according to claim 5, wherein a roller (25) is rotatably connected to the lower end of the sliding rod (16), and the roller (25) is rotatably connected to the upper surface of the top plate (8).
7. The mechanism for adding polishing liquid to a polishing machine according to claim 5, wherein said slide bar (16) has a rectangular cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311350443.9A CN117103129B (en) | 2023-10-18 | 2023-10-18 | Grinding fluid adding mechanism of grinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311350443.9A CN117103129B (en) | 2023-10-18 | 2023-10-18 | Grinding fluid adding mechanism of grinder |
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| Publication Number | Publication Date |
|---|---|
| CN117103129A CN117103129A (en) | 2023-11-24 |
| CN117103129B true CN117103129B (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311350443.9A Active CN117103129B (en) | 2023-10-18 | 2023-10-18 | Grinding fluid adding mechanism of grinder |
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| CN (1) | CN117103129B (en) |
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| CN116252238A (en) * | 2023-03-09 | 2023-06-13 | 深圳市晶封半导体有限公司 | Double-station wafer grinding equipment |
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2023
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|---|---|---|---|---|
| GB1341832A (en) * | 1970-04-23 | 1973-12-25 | Precisionlap Ltd | Lapping machines |
| CN109759958A (en) * | 2019-03-05 | 2019-05-17 | 青岛理工大学 | A kind of electrostatic atomiser and controllable jet micro lubricating grinding system |
| CN113427390A (en) * | 2020-03-05 | 2021-09-24 | 丰田自动车株式会社 | Automatic wet grinding device |
| CN114083360A (en) * | 2021-12-02 | 2022-02-25 | 江西省星海电瓷制造有限公司 | Composite grinding equipment for porcelain insulator and grinding method thereof |
| CN116252238A (en) * | 2023-03-09 | 2023-06-13 | 深圳市晶封半导体有限公司 | Double-station wafer grinding equipment |
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| CN117103129A (en) | 2023-11-24 |
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