CN116638420B - Micro burr polishing equipment for valve core of servo valve - Google Patents
Micro burr polishing equipment for valve core of servo valve Download PDFInfo
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- CN116638420B CN116638420B CN202310916522.5A CN202310916522A CN116638420B CN 116638420 B CN116638420 B CN 116638420B CN 202310916522 A CN202310916522 A CN 202310916522A CN 116638420 B CN116638420 B CN 116638420B
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- bottom plate
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- 238000005498 polishing Methods 0.000 title claims abstract description 107
- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 230000001360 synchronised effect Effects 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 57
- 238000009833 condensation Methods 0.000 claims description 26
- 230000005494 condensation Effects 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims 4
- 238000009434 installation Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 12
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/006—Machines or devices using grinding or polishing belts; Accessories therefor for special purposes, e.g. for television tubes, car bumpers
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- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
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- 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
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- 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
- B24B41/06—Work supports, e.g. adjustable steadies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model relates to the technical field of servo valve part processing, in particular to a servo valve core tiny burr polishing device which comprises a bottom plate, wherein a supporting leg is fixedly arranged at the lower end of the bottom plate, a plurality of radial sliding grooves are formed in the bottom plate along the radial direction of the bottom plate, the radial sliding grooves are uniformly distributed along the circumferential direction of an installation bottom plate, clamping mechanisms are connected in the radial sliding grooves in a sliding manner, a synchronous control device which simultaneously controls a plurality of valve core clamping mechanisms to move along the radial sliding grooves is arranged at the lower end of the installation bottom plate, a polishing device is arranged at the middle position of the upper end of the bottom plate corresponding to the synchronous control device, a cylinder installation plate is erected right above the bottom plate, and a lifting hydraulic rod which is used for lifting the polishing device along the vertical direction is fixedly arranged at the middle position of the cylinder installation plate, so that the valve core polishing device can be installed rapidly, the installation tightness of the valve core can be ensured, and the plurality of valve cores can be polished simultaneously.
Description
Technical Field
The utility model relates to the technical field of servo valve part machining, in particular to a polishing device for tiny burrs of a servo valve core.
Background
The servo valve refers to an actuator for converting an electrical signal input into a pressure or flow pressure signal output with higher power in a servo system. The electro-hydraulic conversion and power amplifier is characterized in that in the working process of a servo valve, the valve core moves through different applied forces on two sides of the valve core, so that the servo valve plays a role.
It should be noted that, the valve core in the servo valve is usually processed by adopting a turning processing mode, and the precision of the valve core often has higher requirements, so that deburring is often performed after finishing the turning processing of the valve core, the China patent application No. 202123202890.9 discloses a deburring device which is adaptive to the valve core of the hydraulic servo valve by automatic tool setting, comprising an operation table, a base is arranged at the bottom end of the operation table, a numerical control triaxial machine tool is arranged above the operation table, a turning tool is arranged at the upper end of the numerical control triaxial machine tool, holders are rotatably connected to two sides of the middle part of the operation table through rotating shafts, clamping heads are installed on the front opposite surfaces of the two holders, a roller is rotatably connected to the rear end of the holders, a support is arranged at the bottom of the rear end of the operation table, a guide rod is arranged inside the support, the outer wall of the guide rod is slidably connected with a cam, the bottom end of the cam is provided with a sleeve, one side of the guide rod is provided with a screw, and the top end of the screw rod is fixedly provided with a wheel disc, so that the traditional deburring device is required to be manually fixed to the valve core, the device is manually controlled by an operator, and the damage caused by misoperation of the operator is easy, the valve core polishing cost is high, the problem is still the problem that the valve core is still difficult to install, and the valve core is poor in mounting performance; secondly, the equipment can not polish a plurality of valve cores at the same time.
Aiming at the technical problems, it is necessary to provide a polishing device for tiny burrs of a valve core of a servo valve so as to solve the technical problems.
Disclosure of Invention
The utility model provides the servo valve core tiny burr polishing equipment which can be used for rapidly installing the valve cores, ensuring the installation tightness of the valve cores and polishing a plurality of valve cores simultaneously.
The utility model provides a micro burr polishing device for a valve core of a servo valve, which comprises a bottom plate, wherein a supporting leg is fixedly arranged at the lower end of the bottom plate, radial sliding grooves are formed in the bottom plate along the radial direction of the bottom plate, a plurality of radial sliding grooves are uniformly distributed along the circumferential direction of the bottom plate, clamping mechanisms are connected in the radial sliding grooves in a sliding manner, a synchronous control device for simultaneously controlling a plurality of valve core clamping mechanisms to move along the radial sliding grooves is arranged at the lower end of the bottom plate, a polishing device is arranged at the middle position of the upper end of the bottom plate corresponding to the synchronous control device, a cylinder mounting plate is arranged right above the bottom plate, and a lifting hydraulic rod for lifting the polishing device along the vertical direction is fixedly arranged at the middle position of the cylinder mounting plate.
Preferably, the clamping mechanism comprises a radial sliding rod, a synchronous condensing mechanism and a locking clamping mechanism, the radial sliding rod is in sliding connection with the radial sliding groove, a vertical sliding groove is formed in the direction of the radial sliding rod facing the central shaft of the bottom plate, the synchronous condensing mechanism is installed in the vertical sliding groove and comprises an upper condensing rack, a lower condensing rack, a condensing gear and a condensing spring rod, the radial sliding rod is rotationally connected with the condensing gear at the middle position of the vertical sliding groove, two sides of the condensing gear are respectively meshed with the upper condensing rack and the lower condensing rack, the upper condensing rack is located above, the lower condensing rack is located below, a condensing spring rod is fixedly connected between the upper side of the upper condensing rack and the upper side of the vertical sliding groove, a condensing spring rod is fixedly connected between the lower side of the lower condensing rack and the lower side of the vertical sliding groove, and the locking clamping mechanism for clamping a valve core is relatively fixedly installed on the upper side of the upper condensing rack.
Preferably, the locking fixture comprises a fixed plate, a rotating plate, a locking plate, locking studs, locking threaded sleeves, tensioning plates, tensioning rods and locking sliding blocks, wherein one fixed plate is connected to the upper condensed rack and the lower condensed rack, the rotating plate is rotationally connected to the middle position of the fixed plate, one locking plate is respectively arranged at the positions of the opposite ends of the two rotating plates, a plurality of directional rods which are in sliding connection with the rotating plates are fixedly connected to the locking plates in the circumferential direction, protrusions are machined at the tail ends of the directional rods, a jacking spring is sleeved on the directional rods, the jacking spring is arranged between the rotating plates and the locking plates, the locking studs are fixedly connected to the opposite ends of the locking plates, the locking threaded sleeves are connected to the locking studs in a threaded manner, the tensioning plates are rotationally connected to the outer sides of the locking threaded sleeves, locking grooves are formed in the locking plates in the radial direction, the locking grooves are uniformly distributed in the circumferential direction of the locking plates, the locking grooves are fixedly connected with the locking sliding blocks, a plurality of directional rods which are in sliding connection with the locking sliding blocks, a tensioning rod is arranged between the locking sliding blocks and the tensioning plates, and the tensioning rods are hinged to the two ends of the tensioning rods and the tensioning rods.
Preferably, the locking plate is provided with a pre-clamping mechanism, the pre-clamping mechanism comprises a pre-clamping sliding block and a pre-clamping spring, the locking plate is provided with a pre-clamping groove along the radial direction of the pre-clamping mechanism, the pre-clamping grooves are uniformly distributed along the circumferential direction of the locking plate, the pre-clamping groove is slidably connected with the pre-clamping sliding block, the pre-clamping sliding block is fixedly connected with the pre-clamping spring between one end, far away from the central shaft of the locking plate, of the pre-clamping sliding block, and the inner side of one end, at the opposite end of the locking plate, of the pre-clamping sliding block is processed into a smooth transition shape.
Preferably, the synchronous control device comprises a control gear, a driven gear, a first connecting rod, a second connecting rod and a control rod, wherein the control gear is rotationally connected to the middle position of the lower end of the bottom plate, a plurality of driven gears are circumferentially distributed on the edge of the control gear in a meshed mode, the driven gears are in one-to-one correspondence with the radial sliding grooves and are rotationally connected with the bottom plate, a first connecting rod is fixedly connected to the driven gears, the tail end of the first connecting rod is hinged to the second connecting rod, the other end of the second connecting rod is hinged to the radial sliding rod, the control rod is fixedly connected with the control gear, and the control rod extends out of the edge of the bottom plate.
Preferably, the polishing device comprises a lifting seat, an erection rod, polishing seats, polishing rollers, polishing belts and a transmission mechanism, wherein the middle position of a bottom plate is connected with a plurality of vertical guide rods which are arranged along the vertical direction, the lifting seat is connected to the vertical guide rods in a sliding manner along the vertical direction, the upper ends of the lifting seats are fixedly connected with the lower ends of the lifting hydraulic rods, the circumferential fixedly connected with of the lifting seats is provided with the erection rod corresponding to the clamping mechanism, the tail ends of the erection rod are fixedly connected with the polishing seats, the polishing seats are U-shaped, the middle sections of the polishing seats are fixedly connected with the erection rod, the tail ends of the two side sections of the polishing seats are rotationally connected with the polishing rollers, the two polishing rollers are connected through the polishing belts, and all polishing rollers are driven through the transmission mechanism.
Preferably, the transmission mechanism comprises transmission idler wheels, a transmission belt and a transmission motor, the upper end of the polishing seat is provided with the transmission idler wheels fixedly connected with the polishing idler wheels, the erection rod is also rotationally connected with one transmission idler wheel, all the transmission idler wheels are connected through the transmission belt, one erection rod is provided with the transmission motor, and an output shaft of the transmission motor is fixedly connected with the transmission idler wheels on the transmission motor.
Preferably, the edges of the upper side and the lower side of the polishing roller are processed into circular arcs.
Preferably, the outside fixed cover of the rotating plate in the case fixture of downside is equipped with the counter gear, correspond the counter gear on the bottom plate and rotate and be connected with the corotation gear, the transmission gyro wheel that is located on the pole of setting up passes the pole fixedly connected with transmission key of setting up, the transmission key along vertical direction with corotation gear sliding connection.
The utility model has the beneficial effects that:
1) According to the utility model, the valve cores are clamped and fixed through the clamping mechanism, the valve cores are polished through the polishing device, and the synchronous control device is used for controlling the valve cores to be in contact with the polishing device, so that the purpose of polishing the valve cores simultaneously is achieved;
2) According to the utility model, the locking screw sleeve is in threaded connection with the locking stud by rotating, the locking screw sleeve moves along the axial direction of the locking stud with the tensioning plate, and the tensioning plate pulls the locking slide block to clamp the valve core through the tensioning rod, so that the valve core is further fixed;
3) The edges of the upper side and the lower side of the polishing roller are processed into circular arcs, so that the upper side and the lower side of the polishing belt can be bent into the arc shape, and the edges of the upper side and the lower side of the polishing roller are processed into the circular arcs, so that the polishing belt can conveniently pass through the step on the valve core in the up-and-down moving process.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is an enlarged schematic view of the structure a in fig. 1 according to the present utility model.
Fig. 3 is an enlarged schematic view of the structure B in fig. 1 according to the present utility model.
Fig. 4 is a bottom view of the present utility model.
Fig. 5 is a schematic structural view of a clamping mechanism in the present utility model.
Fig. 6 is an enlarged schematic view of the structure at C in fig. 5 according to the present utility model.
Fig. 7 is an enlarged schematic view of the structure of fig. 5D according to the present utility model.
Fig. 8 is an enlarged schematic view of the structure at E in fig. 5 according to the present utility model.
In the figure:
1. a bottom plate; 11. a radial sliding groove; 12. a cylinder mounting plate; 13. a lifting hydraulic rod; 14. a vertical guide bar;
2. a clamping mechanism;
21. a radial slide rod; 211. a vertical sliding groove;
22. a synchronous condensing mechanism; 221. a condensed rack is arranged on the upper part; 222. a lower condensed rack; 223. a condensed gear; 224. a condensing spring rod;
23. locking the clamping mechanism; 231. a fixing plate; 232. a rotating plate;
233. a locking plate; 2331. a directional rod; 2332. a spring is tightly propped; 2333. a locking groove; 2334. a pre-clamping groove;
234. locking the stud; 235. a locking screw sleeve; 236. tensioning the plate; 237. a tension rod; 238. locking the sliding block;
24. a pre-clamping mechanism; 241. pre-clamping a sliding block; 242. a pre-clamping spring;
3. a synchronous control device; 31. a control gear; 32. a driven gear; 33. a first link; 34. a second link; 35. a control lever;
4. a polishing device; 41. a lifting seat; 42. erecting a rod; 43. polishing a base; 44. polishing rollers; 45. polishing the belt;
46. a transmission mechanism; 461. a transmission roller; 462. a drive belt; 463. a drive motor;
5. a reversing gear;
6. a forward rotation gear;
7. and a transmission key.
Detailed Description
The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1 and 4, the utility model provides a polishing device for tiny burrs of a valve core of a servo valve, which comprises a bottom plate 1, wherein supporting legs are fixedly arranged at the lower end of the bottom plate 1, radial sliding grooves 11 are formed in the bottom plate 1 along the radial direction of the bottom plate, a plurality of radial sliding grooves 11 are uniformly distributed along the circumferential direction of the bottom plate 1, clamping mechanisms 2 are connected in the radial sliding grooves 11 in a sliding manner, a synchronous control device 3 for simultaneously controlling the movement of the plurality of valve core clamping mechanisms 2 along the radial sliding grooves 11 is arranged at the lower end of the bottom plate 1, a polishing device 4 is arranged at the middle position of the upper end of the bottom plate 1 corresponding to the synchronous control device 3, a cylinder mounting plate 12 is erected right above the bottom plate 1, and a lifting hydraulic rod 13 for lifting the polishing device 4 along the vertical direction is fixedly arranged at the middle position of the cylinder mounting plate 12.
It should be noted that, in the process of polishing the valve core of the servo valve, the valve core is clamped and fixed through the clamping mechanism 2, the valve core is polished through the polishing device 4, the synchronous control device 3 controls the valve cores to be in contact with the polishing device 4, the purpose of polishing the valve cores simultaneously is achieved, the polishing device 4 is lifted through the lifting hydraulic rod 13, and accordingly the polishing device 4 is controlled to polish all positions in the axial direction of the valve core.
As shown in fig. 1, 5 and 6, the clamping mechanism 2 includes a radial sliding rod 21, a synchronous condensing mechanism 22 and a locking clamping mechanism 23, the radial sliding rod 21 is slidably connected with the radial sliding groove 11, a vertical sliding groove 211 is provided in a direction facing to a central axis of the bottom plate 1 by the radial sliding rod 21, the synchronous condensing mechanism 22 is installed in the vertical sliding groove 211, the synchronous condensing mechanism 22 includes an upper condensing rack 221, a lower condensing rack 222, a condensing gear 223 and a condensing spring rod 224, the radial sliding rod 21 is rotatably connected with the condensing gear 223 in a middle position of the vertical sliding groove 211, two sides of the condensing gear 223 are respectively engaged with the upper condensing rack 221 and the lower condensing rack 222, the upper condensing rack 221 is located above, the lower condensing rack 222 is located below, a condensing spring rod 224 is fixedly connected between an upper side of the upper condensing rack 221 and an upper side of the vertical sliding groove 211, a condensing spring rod 224 is fixedly connected between a lower side of the lower condensing rack 222 and the lower side of the vertical sliding groove 211, and the upper condensing rack 221 is provided with a clamping mechanism 23 for fixing the corresponding clamping rack 23.
It should be noted that, during the process of clamping the valve core by the clamping mechanism 2, the valve core is directly pressed into one of the locking clamping mechanisms 23, at this time, the upper condensation rack 221 or the lower condensation rack 222 connected with the locking clamping mechanism 23 is pressed to move towards two sides of the radial sliding rod 21, when the valve core is pressed into a position between the upper and lower locking clamping mechanisms 23 in a vertical state, under the action of the pressing force of the condensation spring rod 224, the valve core is primarily fixed, then the valve core is further fixed by the locking clamping mechanism 23, and the upper condensation rack 221 and the lower condensation rack 222 can synchronously move by the condensation gear 223, so that the valve core is positioned in the middle of the radial spring rod, and further, the fixing of the valve core position in the polishing process is facilitated.
As shown in fig. 5, fig. 7 and fig. 8, the locking and clamping mechanism 23 comprises a fixing plate 231, a rotating plate 232, a locking plate 233, a locking stud 234, a locking threaded sleeve 235, a tensioning plate 236, a tensioning rod 237 and a locking slide block 238, wherein the fixing plate 231 is connected to the upper condensation rack 221 and the lower condensation rack 222, the rotating plate 232 is rotatably connected to the middle position of the fixing plate 231, the opposite ends of the two rotating plates 232 are respectively provided with a locking plate 233, a plurality of directional rods 2331 which are in sliding connection with the rotating plate 232 are fixedly connected to the locking plate 233 in the circumferential direction, protrusions are machined at the tail ends of the directional rods 2331, a jacking spring 2332 is sleeved on the directional rods 2331, the jacking spring 2332 is arranged between the rotating plate 232 and the locking plate 233, the locking plate 233 is fixedly connected with the locking plate 234 at the opposite ends of the jacking spring 2332, the locking stud 234 is in threaded connection with the locking threaded sleeve 235, the outer side of the locking threaded sleeve 235 is rotatably connected with the tensioning plate 236, a plurality of tightening grooves 2333 are uniformly distributed between the locking plates 233 and the locking plates 238 along the radial grooves 236, and the locking grooves 2333 are uniformly distributed between the locking plates 238 and the locking plates 238, and the locking plates 238 are uniformly distributed between the locking grooves 2333 and the locking plates 238.
In the process of clamping the valve core by the locking and clamping mechanism 23, the locking screw sleeve 235 is in threaded connection with the locking stud 234 by rotating the locking screw sleeve 235, the locking screw sleeve 235 moves along the axial direction of the locking stud 234 with the tightening plate 236, and the tightening plate 236 pulls the locking slide 238 to clamp the valve core by the tightening rod 237.
As shown in fig. 7 and 8, the locking plate 233 is provided with a pre-clamping mechanism 24, the pre-clamping mechanism 24 includes a pre-clamping slider 241 and a pre-clamping spring 242, the locking plate 233 is provided with pre-clamping grooves 2334 along a radial direction thereof, the pre-clamping grooves 2334 are uniformly distributed along a circumferential direction of the locking plate 233, the pre-clamping slider 241 is slidably connected in the pre-clamping grooves 2334, a pre-clamping spring 242 is fixedly connected between the pre-clamping slider 241 and one end of the pre-clamping groove 2334 away from a central shaft of the locking plate 233, and the inner side of one end of the opposite end of the pre-clamping slider 241 at the locking plate 233 is processed into a smooth transition shape.
It should be noted that, when the valve core is mounted between the two locking clamping mechanisms 23, the two end plugs of the valve core are connected to the middle position of the locking plate 233, the plurality of pre-clamping sliders 241 will primarily clamp the valve core under the pressing action of the pre-clamping springs 242, so that the valve core is primarily fixed, the efficiency of mounting the valve core is improved, and the inner side of one end of the opposite end of the locking plate 233 of the pre-clamping sliders 241 is processed into a smooth transition shape so as to more easily connect the two end plugs of the valve core to the middle position of the plurality of pre-clamping sliders 241.
As shown in fig. 1 and 2, the synchronous control device 3 includes a control gear 31, a driven gear 32, a first connecting rod 33, a second connecting rod 34 and a control rod 35, the control gear 31 is rotatably connected to a middle position of the lower end of the base plate 1, the edge of the control gear 31 is meshed with a plurality of driven gears 32 distributed circumferentially, the driven gears 32 are in one-to-one correspondence with the radial sliding grooves 11 and are rotatably connected with the base plate 1, a first connecting rod 33 is fixedly connected to the driven gears 32, a second connecting rod 34 is hinged to the tail end of the first connecting rod 33, the other end of the second connecting rod 34 is hinged to the radial sliding rod 21, the control rod 35 is fixedly connected with the control gear 31, and the control rod 35 extends out from the edge of the base plate 1.
When the position of the valve core is controlled by the synchronous control device 3, the control rod 35 drives the control gear 31 to rotate, the control gear 31 drives the driven gear 32 to rotate, the driven gear 32 drives the first connecting rod 33 to rotate, and an included angle between the first connecting rod 33 and the second connecting rod 34 is changed, so that the radial sliding rod 21 moves along the radial sliding groove 11, and the purpose of controlling a plurality of valve cores to contact with the polishing device 4 is achieved.
As shown in fig. 4, the polishing device 4 includes a lifting seat 41, an erection rod 42, a polishing seat 43, polishing rollers 44, polishing belts 45 and a transmission mechanism 46, the middle position of the bottom plate 1 is connected with a plurality of vertical guide rods 14 arranged along the vertical direction, the lifting seat 41 is slidingly connected to the vertical guide rods 14 along the vertical direction, the upper end of the lifting seat 41 is fixedly connected with the lower end of the lifting hydraulic rod 13, the circumferential fixedly connected with the erection rod 42 corresponding to the clamping mechanism 2 of the lifting seat 41, the tail end of the erection rod 42 is fixedly connected with the polishing seat 43, the polishing seat 43 is in a U shape, the middle section of the polishing seat 43 is fixedly connected with the erection rod 42, the tail ends of the two side sections of the polishing seat 43 are rotationally connected with the polishing rollers 44, the two polishing rollers 44 are connected through the polishing belts 45, and all the polishing rollers 44 are driven by the transmission mechanism 46.
It should be noted that, in the process of polishing the valve core through the polishing device 4, the transmission mechanism 46 drives the polishing roller 44 to rotate, the polishing roller 44 drives the polishing belt 45 to polish the valve core, and meanwhile, the lifting hydraulic rod 13 drives the lifting seat 41 to move along the vertical direction, so that the valve core is polished everywhere along the axial direction of the valve core.
As shown in fig. 2, the transmission mechanism 46 includes a transmission roller 461, a transmission belt 462 and a transmission motor 463, the upper end of the polishing seat 43 is provided with the transmission roller 461 fixedly connected with the polishing roller 44, the erection rod 42 is also rotationally connected with a transmission roller 461, all the transmission rollers 461 are connected through the transmission belt 462, one of the erection rods 42 is erected with a transmission motor 463, the output shaft of the transmission motor 463 is fixedly connected with the transmission roller 461 thereon, and the edges on the upper side and the lower side of the polishing roller 44 are processed into circular arcs.
It should be noted that, the output shaft of the transmission motor 463 drives the transmission roller 461 fixedly connected with the transmission motor 463 to rotate, the transmission roller 461 drives the rest transmission roller 461 to rotate through the transmission belt 462, and then drives the polishing roller 44 to rotate, so that the polishing belt 45 polishes and deburrs the valve core, the edges on the upper side and the lower side of the polishing roller 44 are processed into arc shapes, the upper side and the lower side of the polishing belt 45 can be bent into arc shapes, the edges on the upper side and the lower side of the polishing roller 44 are processed into arc shapes, and thus the polishing belt 45 can pass through the step on the valve core in the process of moving up and down conveniently.
As shown in fig. 1 and 3, a reversing gear 5 is fixedly sleeved on the outer side of a rotating plate 232 in the valve core clamping mechanism 2 positioned at the lower side, a forward rotating gear 6 is rotatably connected on the bottom plate 1 corresponding to the reversing gear 5, a transmission roller 461 positioned on the erection rod 42 passes through the erection rod 42 and is fixedly connected with a transmission key 7, and the transmission key 7 is in sliding connection with the forward rotating gear 6 along the vertical direction.
It should be noted that, in the process of polishing the valve core by the polishing device 4, the forward rotation gear 6 is meshed with the reverse rotation gear 5, so that the valve core rotates in the opposite direction to the movement direction of the polishing belt 45, and the polishing effect of the valve core is improved.
The working process of the utility model is that in the process of polishing the valve core of the servo valve, the valve core is clamped and fixed through the clamping mechanism 2, the valve core is directly pressed into one locking clamping mechanism 23, at the moment, the upper condensed rack 221 or the lower condensed rack 222 connected with the locking clamping mechanism 23 can be extruded to move towards the two sides of the radial sliding rod 21, when the valve core is pressed between the upper locking clamping mechanism 23 and the lower locking clamping mechanism 23 in a vertical state, the valve core can be initially fixed under the action of the top pressure of the condensed spring rod 224, then the valve core is further fixed through the locking clamping mechanism 23, the upper condensed rack 221 and the lower condensed rack 222 can synchronously move through the condensed gear 223, thus being beneficial to the valve core to be positioned in the middle of the radial spring rod and being beneficial to the fixing of the valve core position in the polishing process, in the process of clamping the valve core through the locking clamping mechanism 23, the locking screw sleeve 235 is in threaded connection with the locking stud 234 through rotation, the locking screw sleeve 235 moves along the axial direction of the locking stud 234 along the tensioning plate 236, the tensioning plate 236 pulls the locking slide block 238 through the tensioning rod 237 to clamp the valve core, the valve core is polished through the polishing device 4, the plurality of valve cores are controlled to be in contact with the polishing device 4 through the synchronous control device 3, the aim of polishing the plurality of valve cores simultaneously is achieved, in the process of polishing the valve core through the polishing device 4, the polishing roller 44 drives the polishing belt 45 to polish the valve core through rotation of the transmission mechanism 46, meanwhile, the lifting hydraulic rod 13 drives the lifting seat 41 to move along the vertical direction, and therefore, all positions of the valve core along the axial direction of the valve core are polished, the polishing device 4 is lifted by the lifting hydraulic rod 13, so that the polishing device 4 is controlled to polish all positions in the axial direction of the valve core.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The micro burr polishing equipment for the valve core of the servo valve comprises a bottom plate (1), wherein a supporting leg is fixedly arranged at the lower end of the bottom plate (1);
the method is characterized in that: radial sliding grooves (11) are formed in the bottom plate (1) along the radial direction of the bottom plate, and a plurality of radial sliding grooves (11) are uniformly distributed along the circumferential direction of the bottom plate (1);
the radial sliding groove (11) is connected with a clamping mechanism (2) in a sliding way;
the lower end of the bottom plate (1) is provided with a synchronous control device (3) for simultaneously controlling the movement of the plurality of valve core clamping mechanisms (2) along the radial sliding grooves (11);
the middle position of the upper end of the bottom plate (1) is provided with a polishing device (4) corresponding to the synchronous control device (3);
an air cylinder mounting plate (12) is arranged right above the bottom plate (1), and a lifting hydraulic rod (13) for lifting the polishing device (4) along the vertical direction is fixedly arranged at the middle position of the air cylinder mounting plate (12);
the clamping mechanism (2) comprises a radial sliding rod (21), a synchronous condensing mechanism (22) and a locking clamping mechanism (23);
the radial sliding rod (21) is in sliding connection with the radial sliding groove (11), and a vertical sliding groove (211) is formed in the direction of the radial sliding rod (21) facing the central shaft of the bottom plate (1);
the synchronous condensation mechanism (22) is arranged in the vertical sliding groove (211), the synchronous condensation mechanism (22) comprises an upper condensation rack (221), a lower condensation rack (222), a condensation gear (223) and a condensation spring rod (224), the radial sliding rod (21) is rotationally connected with the condensation gear (223) at the middle position of the vertical sliding groove (211), the upper condensation rack (221) and the lower condensation rack (222) are respectively meshed with the two sides of the condensation gear (223), the upper condensation rack (221) is positioned above, the lower condensation rack (222) is positioned below, a condensation spring rod (224) is fixedly connected between the upper side of the upper condensation rack (221) and the upper side of the vertical sliding groove (211), and the condensation spring rod (224) is fixedly connected between the lower side of the lower condensation rack (222) and the lower side of the vertical sliding groove (211);
a locking and clamping mechanism (23) for clamping the valve core is fixedly arranged on the upper side of the upper condensed rack (221) and the lower condensed rack (222) relatively;
the locking and clamping mechanism (23) comprises a fixed plate (231), a rotating plate (232), a locking plate (233), a locking stud (234), a locking screw sleeve (235), a tensioning plate (236), a tensioning rod (237) and a locking sliding block (238);
the upper condensation rack (221) and the lower condensation rack (222) are connected with a fixed plate (231), the middle position of the fixed plate (231) is rotationally connected with a rotating plate (232), the positions of the opposite ends of the two rotating plates (232) are respectively provided with a locking plate (233), a plurality of directional rods (2331) which are in sliding connection with the rotating plates (232) are fixedly connected to the locking plates (233) in the circumferential direction, the tail ends of the directional rods (2331) are provided with bulges, the directional rods (2331) are sleeved with a jacking spring (2332), and the jacking spring (2332) is arranged between the rotating plates (232) and the locking plates (233);
the locking plate (233) is fixedly connected with locking studs (234) at opposite ends thereof, locking threaded sleeves (235) are connected to the locking studs (234) in a threaded manner, and tensioning plates (236) are connected to the outer sides of the locking threaded sleeves (235) in a rotary manner;
the locking plate (233) is radially provided with locking grooves (2333), a plurality of locking grooves (2333) are uniformly distributed along the circumferential direction of the locking plate (233), locking sliding blocks (238) are connected in the locking grooves (2333) in a sliding manner, a tensioning rod (237) is arranged between the locking sliding blocks (238) and the tensioning plate (236), and two ends of the tensioning rod (237) are respectively hinged with the tensioning plate (236) and the locking sliding blocks (238);
the synchronous control device (3) comprises a control gear (31), a driven gear (32), a first connecting rod (33), a second connecting rod (34) and a control rod (35);
the control gear (31) is rotationally connected to the middle position of the lower end of the bottom plate (1), a plurality of driven gears (32) are circumferentially distributed on the edge of the control gear (31) in a meshed mode, the driven gears (32) are in one-to-one correspondence with the radial sliding grooves (11) and are rotationally connected with the bottom plate (1), a first connecting rod (33) is fixedly connected to the driven gears (32), a second connecting rod (34) is hinged to the tail end of the first connecting rod (33), the other end of the second connecting rod (34) is hinged to the radial sliding rod (21), a control rod (35) is fixedly connected with the control gear (31), and the control rod (35) extends out of the edge of the bottom plate (1);
the polishing device (4) comprises a lifting seat (41), an erection rod (42), a polishing seat (43), polishing rollers (44), a polishing belt (45) and a transmission mechanism (46);
the utility model discloses a polishing device for a floor, including bottom plate (1), vertical guide bar (14) that bottom plate (1) intermediate position is connected with a plurality of vertical guide bars (14) that arrange along vertical direction, vertical guide bar (14) are gone up and are connected with elevating platform (41) along vertical direction sliding connection, the upper end of elevating platform (41) with the lower extreme fixed connection of elevating platform (13), the circumference fixedly connected with of elevating platform (41) erects pole (42) corresponding with fixture (2), the end fixedly connected with of erectting pole (42) polishes seat (43), polish seat (43) are the U style of calligraphy, the intermediate section of polishing seat (43) with erect pole (42) fixed connection, the end rotation of the both sides section of polishing seat (43) is connected with polishing gyro wheel (44), two connect through polishing belt (45) between polishing gyro wheel (44), drive through drive mechanism (46) between all polishing gyro wheels (44).
2. The servo valve spool micro burr grinding apparatus of claim 1, wherein: the locking plate (233) is provided with a pre-clamping mechanism (24);
the pre-clamping mechanism (24) comprises a pre-clamping sliding block (241) and a pre-clamping spring (242), pre-clamping grooves (2334) are formed in the locking plate (233) along the radial direction of the locking plate, the pre-clamping grooves (2334) are uniformly distributed along the circumferential direction of the locking plate (233), the pre-clamping sliding block (241) is connected in the pre-clamping grooves (2334) in a sliding mode, the pre-clamping sliding block (241) and one end, far away from the central shaft of the locking plate (233), of the pre-clamping groove (2334) are fixedly connected with the pre-clamping spring (242), and the pre-clamping sliding block (241) is processed into a smooth transition shape on the inner side of one end of the opposite end of the locking plate (233).
3. The servo valve spool micro burr grinding apparatus according to claim 2, wherein: the transmission mechanism (46) comprises transmission rollers (461), a transmission belt (462) and a transmission motor (463), the upper end of the polishing seat (43) is provided with the transmission rollers (461) fixedly connected with the polishing rollers (44), the transmission rollers (461) are rotatably connected to the erection rod (42), all the transmission rollers (461) are connected through the transmission belt (462), one of the erection rods (42) is provided with the transmission motor (463), and an output shaft of the transmission motor (463) is fixedly connected with the transmission rollers (461) on the transmission motor.
4. The servo valve spool micro burr grinding apparatus of claim 1, wherein: the edges of the upper side and the lower side of the polishing roller (44) are processed into circular arcs.
5. The servo valve spool micro burr grinding apparatus of claim 4, wherein: the outside fixed cover of rotating plate (232) in case fixture (2) that are arranged in the downside is equipped with reversing gear (5), correspond reversing gear (5) rotation on bottom plate (1) and be connected with corotation gear (6), drive gyro wheel (461) that are arranged in on erect pole (42) pass erect pole (42) fixedly connected with drive key (7), drive key (7) along vertical direction with corotation gear (6) sliding connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310916522.5A CN116638420B (en) | 2023-07-25 | 2023-07-25 | Micro burr polishing equipment for valve core of servo valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310916522.5A CN116638420B (en) | 2023-07-25 | 2023-07-25 | Micro burr polishing equipment for valve core of servo valve |
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| CN116638420B true CN116638420B (en) | 2023-09-15 |
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| CN202310916522.5A Active CN116638420B (en) | 2023-07-25 | 2023-07-25 | Micro burr polishing equipment for valve core of servo valve |
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| Publication number | Publication date |
|---|---|
| CN116638420A (en) | 2023-08-25 |
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