CN116652809A - Composite motion valve grinding machine - Google Patents
Composite motion valve grinding machine Download PDFInfo
- Publication number
- CN116652809A CN116652809A CN202310738970.0A CN202310738970A CN116652809A CN 116652809 A CN116652809 A CN 116652809A CN 202310738970 A CN202310738970 A CN 202310738970A CN 116652809 A CN116652809 A CN 116652809A
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- China
- Prior art keywords
- grinding
- grinding rod
- kidney
- rod
- planet carrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000033001 locomotion Effects 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 230000001681 protective effect Effects 0.000 claims description 27
- 150000001875 compounds Chemical class 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 210000003734 kidney Anatomy 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 3
- 244000137852 Petrea volubilis Species 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000003466 welding Methods 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
- B24B37/00—Lapping machines or devices; Accessories
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a composite motion valve grinder, which relates to the field of valve maintenance equipment and comprises the following components: the planetary gear set comprises a driving motor, a planetary gear set and a grinding rod, wherein a gear ring is in transmission connection with the driving motor, a sun gear is fixedly arranged, a wheel shaft of a planetary gear is rotatably arranged on a planet carrier, the inner diameter of the sun gear is larger than the outer diameter of the grinding rod, an eccentric hole is formed in the position, corresponding to the inner cavity of the sun gear, of the planet carrier, the eccentric hole is matched with the grinding rod, the grinding end of the grinding rod sequentially penetrates through the sun gear and the eccentric hole to be connected with a grinding head, and the grinding rod is in transmission connection with the wheel shaft of the planetary gear; the output motion of the driving motor is converted into the rotation and revolution of the planetary gear through the gear ring, the grinding rod is driven to generate rotation when the planetary gear rotates, the planetary carrier is driven to rotate when the planetary gear revolves, and the grinding rod is driven to swing when the planetary carrier rotates, so that the concentric circle type machining defect is eliminated, and the grinding effect is improved.
Description
Technical Field
The invention relates to the field of valve maintenance equipment, in particular to a composite motion valve grinder.
Background
The valve grinder is a mechanical device commonly used in the field of valve maintenance and can be divided into a stop valve grinder, a gate valve grinder and the like according to different structures of processed valves; depending on the processing conditions, portable valve grinders and fixed valve grinders can be classified, wherein the portable valve grinders are mainly used for in-situ processing (i.e., on-line processing) when the valve is difficult to detach from the station.
The main structure of the existing portable valve grinder is as follows: adopt a base to fix on the valve flange face, install the knob of manual regulation grinding disc and valve seal face angle and distance on the base, a pistol drill is as the power supply of valve grinding machine, through area or chain drive grinding disc rotation, paste on the grinding disc has abrasive paper, during the grinding, scribble the abrasive paste between abrasive paper and valve seal face, rely on the rotation of grinding disc to grind the processing to the valve seal face, but have the problem of following processing mode: the grinding disc rotates about a fixed axis such that defects in the grit (especially starved, falling grit) at a point on the sandpaper create concentric machining defects in the valve sealing surface.
Therefore, a compound motion valve grinder capable of eliminating the concentric circle type processing defects and improving the grinding effect is needed.
Disclosure of Invention
The invention aims to provide a compound motion valve grinding machine, which solves the problems in the prior art, and aims to solve the problems in the prior art, when a planetary wheel is used for driving a grinding rod to rotate and grind, the rotation of a planet carrier is matched with the eccentricity of the grinding rod, so that the grinding rod can swing around the axis of the planet carrier, and the rotation and swinging compound motion of the grinding rod can eliminate concentric circle type machining defects and improve the grinding effect.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a compound motion valve grinding machine which comprises a driving motor, a planetary gear set and a grinding rod, wherein the end part of the grinding rod is provided with a grinding head, a gear ring of the planetary gear set is in transmission connection with the driving motor, a sun gear of the planetary gear set is fixedly arranged, a wheel shaft of a planet wheel of the planetary gear set is rotatably arranged on a planet carrier, the inner diameter of the sun gear is larger than the outer diameter of the grinding rod, an eccentric hole with the center deviating from the axis of the sun gear is formed in the position, corresponding to an inner cavity of the sun gear, of the planet carrier, the eccentric hole is matched with the grinding rod, the grinding end of the grinding rod sequentially penetrates through the sun gear and the eccentric hole to be connected with the grinding head, and the part, penetrating out of the eccentric hole, of the grinding rod is in transmission connection with the wheel shaft of the planet wheel through a first transmission belt.
Preferably, the eccentric hole is a first kidney-shaped hole matched with the diameter of the grinding rod, the first kidney-shaped hole is in a circular arc shape, the axis of the planet wheel connected with the grinding rod in a transmission way is coincident with the circular arc center of the first kidney-shaped hole, and the planet carrier is provided with a locking structure for locking the position of the grinding rod in the first kidney-shaped hole.
Preferably, the centre line of the first kidney-shaped aperture intersects the axis of the planet carrier.
Preferably, the locking structure comprises a sector block and a locking bolt, wherein the planet carrier is close to one end of the grinding head, the small end and the large end of the sector block are respectively positioned at two sides of the first kidney-shaped hole, a wheel shaft of a planet wheel connected with the grinding rod in a transmission manner is rotationally connected with the small end of the sector block, the large end of the sector block is provided with a second kidney-shaped hole with the same curvature as that of the first kidney-shaped hole, the second kidney-shaped hole is matched with the screw diameter of the locking bolt, a screw of the locking bolt penetrates through the second kidney-shaped hole and is in threaded connection with the planet carrier, and a positioning hole matched with the grinding rod is arranged at the position of the sector block corresponding to the first kidney-shaped hole, and the grinding rod is penetrated in the positioning hole.
Preferably, the driving motor is arranged at one side of the planetary gear set, and the driving motor is in transmission connection with the gear ring through a second transmission belt.
Preferably, the compound motion valve grinding machine further comprises a protective shell, the output end of the driving motor and the planetary gear set are both positioned in the protective shell, the sun gear is fixedly connected with the protective shell, and the gear ring is rotatably arranged in the protective shell through a first bearing.
Preferably, the protective casing is disposed in correspondence with the end opening of the segment.
Preferably, the ring gear extends downwards to form an extension section, and the planet carrier is rotationally connected with the ring gear through a second bearing.
Preferably, one end of the grinding rod, which is close to the grinding head, and the free end of the connecting rod of the grinding head are respectively inserted into two ends of the elastic connecting sleeve.
Preferably, one end of the grinding rod, which is close to the grinding head, and the free end of the connecting rod of the grinding head are hemispherical.
Compared with the prior art, the invention has the following technical effects:
1. the output motion of the driving motor is converted into the rotation of the planet wheel through the gear ring and the revolution around the sun wheel, the grinding rod is driven to rotate through the first transmission belt when the planet wheel rotates, the planet carrier is driven to rotate when the planet wheel revolves, at the moment, the grinding rod is driven to swing around the axis of the planet carrier when the planet carrier rotates because the grinding rod is arranged in the eccentric hole, the grinding head is driven to grind by the rotation of the grinding rod, the swing is continuously generated, the sand-gravel defect part on the sand paper is prevented from moving on a certain circle due to the swing, the concentric circle machining defect is eliminated, and the grinding effect is improved.
2. The first kidney-shaped hole is arranged in the grinding rod, so that the position of the grinding rod can be adjusted, the eccentric distance of the grinding rod is changed after the position of the grinding rod is adjusted, and the radius of a path of the grinding head along with the swing of the grinding rod is also changed, therefore, the grinding radius of the grinding head can be adjusted by adjusting the eccentric distance of the grinding rod, the grinding head is adapted to the surfaces to be ground with different sizes, and the application range of the device is improved.
3. The elastic connecting sleeve can play a role of a universal joint, so that normal grinding operation can be realized when the perpendicularity of the grinding rod and the sealing surface deviates during torque transmission, and the assembly angle of the protective shell and the valve does not need to be manually adjusted frequently.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a composite motion valve grinder of the present invention;
FIG. 2 is a cross-sectional view of the compound motion valve grinder of the present invention;
FIG. 3 is a top view of the compound motion valve grinder of the present invention;
FIG. 4 is a front view of the composite motion valve grinder of the present invention after concealing the protective housing and grinding bit;
FIG. 5 is a bottom view of the composite motion valve grinder of the present invention with the protective housing hidden behind the grinder head;
FIG. 6 is a top view of the composite motion valve grinder of the present invention after concealing the protective housing and grinding bit;
wherein, 1, driving a motor; 2. a planetary gear set; 3. a grinding rod; 4. a grinding head; 5. a gear ring; 6. a planet wheel; 7. a sun gear; 8. a planet carrier; 9. a first belt; 10. a first kidney-shaped aperture; 11. a sector block; 12. a locking bolt; 13. a second kidney-shaped aperture; 14. positioning holes; 15. a second belt; 16. a protective housing; 17. a first bearing; 18. a second bearing; 19. and an elastic connecting sleeve.
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.
The invention aims to provide a compound motion valve grinding machine, which solves the problems in the prior art, and can eliminate concentric circle type processing defects and improve the grinding effect by enabling a grinding rod to swing around the axis of the planet carrier by rotating the planet carrier to match with the eccentricity of the grinding rod while driving the grinding rod to rotate and grind by using a planet wheel.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-6, a composite motion valve grinder is provided, including driving motor 1, planetary gear set 2 and end set up grinding rod 3 of grinding head 4, planetary gear set 2 includes outside ring gear 5, tooth engagement is connected with the planet wheel 6 of a plurality of even setting on the internal face of ring gear 5, the middle part of a plurality of planet wheel 6 is provided with sun gear 7, the external face and the planet wheel 6 tooth engagement of sun gear 7, be provided with planet carrier 8 in the bottom of planet wheel 6 and sun gear 7, planet carrier 8 can set up to the disc, the ring gear 5 of planetary gear set 2 is connected with driving motor 1 transmission, the fixed setting of sun gear 7 of planetary gear set 2, the shaft rotation of planet wheel 6 of planetary gear set 2 sets up on planet carrier 8, ring gear 5 and sun gear 7 are tubular structure, the internal diameter of sun gear 7 is greater than the external diameter of grinding rod 3, the eccentric hole that the centre of a circle skew sun gear 7 axis was seted up to the position of planet carrier 8 correspondence sun gear 7 inner chamber, the eccentric hole matches with grinding rod 3, the grinding end of grinding rod 3 passes sun gear 7 and eccentric hole and is connected with grinding head 4 in proper order, grinding end and grinding rod 3 passes through the eccentric hole and grinding rod 3 and grinding head 4, the transmission 9 of grinding rod 3 and a particular transmission part is connected through the eccentric belt 9 of the first transmission hole of planet wheel 6: the wheel axle of one planet wheel 6 in the plurality of planet wheels 6 downwards penetrates out of the planet carrier 8, the penetrating part and the grinding rod 3 are respectively provided with a transmission gear, and the two transmission gears are in transmission connection through a first transmission belt 9, so that the motion principle of the device is as follows: the output motion of driving motor 1 will be through the rotation of ring gear 5 conversion into planet wheel 6 and the revolution around sun gear 7, the rotation is produced through the rotation of first conveyer belt 9 drive grinding rod 3 when planet wheel 6 is rotated, when planet wheel 6 revolves, drive planet carrier 8 and rotate, at this moment because grinding rod 3 sets up in the eccentric hole, planet carrier 8 can drive grinding rod 3 and swing around planet carrier 8 axis when rotating, the wobbling route is the circular of radius for the eccentric distance, when having realized grinding rod 3 rotation and having driven grinding head 4 to produce the grinding, still can constantly produce the swing, the wobbling existence can avoid the condition that the part that exists the grit defect on the abrasive paper only moves on a certain circle, and then eliminate concentric circle formula processing defect, improve the grinding effect.
The eccentric hole is the first kidney-shaped hole 10 that matches with grinding rod 3 diameter, first kidney-shaped hole 10 is convex setting, the axis of planet wheel 6 that is connected with grinding rod 3 transmission and the convex centre of a circle in first kidney-shaped hole 10 coincide, ensure grinding rod 3 can move in first kidney-shaped hole 10, thereby adjust the distance of grinding rod 3 and planet carrier 8 axis, be provided with locking structure on the planet carrier 8, be used for locking grinding rod 3 in first kidney-shaped hole 10 internal position, the setting of first kidney-shaped hole 10 can make grinding rod 3 adjustable position in it, after grinding rod 3 position adjustment, its eccentric distance will change, the radius of route also can change along with grinding rod 3 follow-up when swinging, therefore the mode of accessible adjustment grinding rod 3 eccentric distance adjusts grinding head 4's grinding radius, thereby the adaptation is not the face of waiting of equidimension, the application scope of device is improved.
The central line of the first kidney-shaped hole 10 is intersected with the axis of the planet carrier 8, namely, the grinding rod 3 can move to coincide with the axis of the planet carrier 8, the grinding rod is suitable for the working condition that only the grinding head 4 rotates during grinding, the application range of the device is further improved, and at the moment, in order to ensure the adjusting range of the first kidney-shaped hole 10, one end of the central line of the first kidney-shaped hole 10 can be intersected with the axis of the planet carrier 8, namely, the axis of a semicircular area at one end of the first kidney-shaped hole 10 coincides with the axis of the planet carrier 8.
The locking structure comprises a sector block 11 and a locking bolt 12, wherein the sector block 11 is arranged at one end of the planet carrier 8 close to the grinding head 4, the small end and the large end of the sector block 11 are respectively positioned at two sides of a first kidney-shaped hole 10, the wheel shaft of the planet wheel 6 in transmission connection with the grinding rod 3 is rotationally connected with the small end of the sector block 11, the large end of the sector block 11 is provided with a second kidney-shaped hole 13 with the same curvature as the first kidney-shaped hole 10, the second kidney-shaped hole 13 is matched with the screw diameter of the locking bolt 12, the screw of the locking bolt 12 passes through the second kidney-shaped hole 13 to be in threaded connection with the planet carrier 8, a threaded hole connected with the locking bolt 12 is formed in the planet carrier 8, a positioning hole 14 matched with the grinding rod 3 is formed in the position of the sector block 11 corresponding to the first kidney-shaped hole 10, the grinding rod 3 is arranged in the positioning hole 14 in a penetrating way, the locking of the sector block 11 can be unlocked by unscrewing the locking bolt 12, the sector block 11 can be rotated at the moment so as to drive the grinding rod 3 to move in the first kidney-shaped hole 10, and the first kidney-shaped hole 12 is far away from the first kidney-shaped hole 12 when the locking bolt 12 moves to the second kidney-shaped hole 13 when the locking bolt 11 rotates to the second kidney-shaped hole 13; by tightening the locking bolt 12, the position of the sector 11 is fixed, and the position of the grinding rod 3 is also fixed; if the requirement of fixed eccentricity is met, a plurality of Kong Tidai second kidney-shaped holes 13 can be directly utilized, the plurality of holes are also arranged in a circular arc shape, the curvature is the same as that of the first kidney-shaped holes 10, when the locking bolt 12 is inserted into different holes, the position of the grinding rod 3 can be changed along with the change, at the moment, only each hole is controlled to correspond to the eccentricity of one grinding rod 3, and the identification number representing the eccentricity of the grinding rod 3 can be processed at each hole, so that the accurate adjustment of a user is facilitated.
The driving motor 1 is arranged on one side of the planetary gear set 2, the driving motor 1 is in transmission connection with the gear ring 5 through a second transmission belt 15, and transmission gears are arranged on the output shaft of the specific driving motor 1 and the peripheral wall of the gear ring 5, and the two transmission gears are in transmission connection through the second transmission belt 15.
The compound motion valve grinds machine still includes protective housing 16, for inner structure provides the protection, and driving motor 1's output, planetary gear set 2 all are located protective housing 16, and sun gear 7 and protective housing 16 fixed connection, fixed connection's mode can be welding or bolted connection, and ring gear 5 rotates through first bearing 17 and sets up in protective housing 16, improves the stability of ring gear 5 motion, and driving motor 1 installs directly on protective housing 1.
On the basis of setting the protective casing 16, the free end of the output rod of the driving motor 1 can be rotatably connected with the protective casing 16 through a bearing, and the transmission gear is positioned in the protective casing 16, so that the transmission stability can be improved.
The protective housing 16 is arranged in correspondence to the end opening of the segment 11, and a user can conveniently adjust the segment 11 from the opening.
A flange may be provided at the end of the protective housing 16 adjacent the grinding bit 4 and may be connected to a flange on the valve body.
The gear ring 5 extends downwards to form an extension section, the diameter of the extension section can be the same as that of the gear ring 5 or larger than that of the gear ring 5, the planet carrier 8 is rotationally connected with the gear ring 5 through the second bearing 18, the stability of the movement of the planet carrier 8 is improved, and the diameter of the extension section is determined according to the sizes of the planet carrier 8 and the second bearing 18.
Ball bearings may be used for both the first bearing 17 and the second bearing 18.
The grinding rod 3 is close to the one end of grinding head 4 and the connecting rod free end of grinding head 4 peg graft respectively in the both ends of elastic adapter sleeve 19, specifically, the material of elastic adapter sleeve 19 selects polyurethane, and set up to the cylindricality structure, its both ends all set up the recess, the connecting rod interference fit at the elastic adapter sleeve 19 both ends respectively of grinding rod 3 and grinding head 4, in the in-service use, the effect of universal joint can be played to elastic adapter sleeve 19, thereby when the transmission moment of torsion, when grinding rod 3 has the deviation with sealed face straightness, can realize normal grinding operation, need not frequent manual adjustment protecting sheathing 16 and valve's assembly angle.
Since the connecting rod of the grinding head 4 is inclined based on the deformability of the elastic connecting sleeve 19 when the perpendicularity of the grinding rod 3 and the sealing surface deviates, the elastic connecting sleeve 19 is deformed, and in order to avoid damage to the elastic connecting sleeve 19 caused by the end of the connecting rod of the grinding rod 3 and the grinding head 4 when the elastic connecting sleeve 19 is deformed, one end of the grinding rod 3 close to the grinding head 4 and the free end of the connecting rod of the grinding head 4 are both hemispherical.
In the actual use process, the sector block 11 is firstly adjusted through the opening of the protective shell 16, the eccentricity of the grinding rod 3 is further adjusted, the protective shell 16 is arranged on the valve after the adjustment is finished, the grinding head 4 is tightly attached to the surface to be ground, the driving motor 1 is started, the driving motor 1 drives the gear ring 5 to rotate through the second transmission belt 15, when the gear ring 5 rotates, the inner planet wheel 6 rotates and revolves around the sun wheel 7, the rotation of the planet wheel 6 drives the grinding rod 3 to rotate through the first transmission belt 9, the grinding head 4 is further driven to rotate, sand paper on the grinding head 4 starts to polish the surface to be ground, the revolution of the planet wheel 6 drives the planet carrier 8 to rotate, when the planet carrier 8 rotates, the grinding rod 3 is driven to swing around the axis of the planet carrier 8, and at the moment, the grinding head 4 has two motions of rotation and swing, and the surface to be ground is composited.
The adaptation to the actual need is within the scope of the invention.
It should be noted that it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (10)
1. The utility model provides a compound motion valve grinds machine, its characterized in that, includes driving motor, planetary gear set and tip set up the grinding rod of grinding head, planetary gear set's ring gear with driving motor transmission is connected, planetary gear set's sun gear is fixed to be set up, planetary gear set's planet wheel's shaft rotates and sets up on the planet carrier, the internal diameter of sun gear is greater than the external diameter of grinding rod, the planet carrier corresponds the position of sun gear inner chamber has seted up the centre of a circle and has deviated the eccentric hole of sun gear axis, the eccentric hole with grinding rod assorted, the grinding end of grinding rod passes in proper order the sun gear and the eccentric hole with the grinding head is connected, the grinding rod wear out the eccentric hole the part with the shaft of planet wheel passes through first drive belt transmission and is connected.
2. The composite motion valve grinding machine according to claim 1, wherein the eccentric hole is a first kidney-shaped hole matched with the diameter of the grinding rod, the first kidney-shaped hole is in a circular arc shape, the axis of the planet wheel in transmission connection with the grinding rod is coincident with the circular arc center of the first kidney-shaped hole, and the planet carrier is provided with a locking structure for locking the position of the grinding rod in the first kidney-shaped hole.
3. The compound motion valve grinder of claim 2, wherein a centerline of the first kidney aperture intersects an axis of the planet carrier.
4. The composite motion valve grinding machine according to claim 2, wherein the locking structure comprises a sector block and a locking bolt, the sector block is arranged at one end of the planet carrier, which is close to the grinding head, the small end and the large end of the sector block are respectively positioned at two sides of the first kidney-shaped hole, the wheel axle of the planet wheel, which is in transmission connection with the grinding rod, is rotatably connected with the small end of the sector block, the large end of the sector block is provided with a second kidney-shaped hole with the same curvature as that of the first kidney-shaped hole, the second kidney-shaped hole is matched with the screw diameter of the locking bolt, the screw of the locking bolt penetrates through the second kidney-shaped hole to be in threaded connection with the planet carrier, the position of the sector block, which corresponds to the first kidney-shaped hole, is provided with a positioning hole matched with the grinding rod, and the grinding rod is arranged in the positioning hole in a penetrating manner.
5. The compound motion valve grinder of claim 4, wherein the drive motor is disposed on one side of the planetary gear set, the drive motor being drivingly connected to the ring gear via a second drive belt.
6. The compound motion valve grinder of claim 5, further comprising a protective housing, wherein the output of the drive motor and the planetary gear set are both located in the protective housing, wherein the sun gear is fixedly connected to the protective housing, and wherein the ring gear is rotatably disposed in the protective housing via a first bearing.
7. The compound motion valve grinder of claim 6, wherein the protective housing is disposed in correspondence with the end opening of the segment.
8. The compound motion valve grinder of claim 1, wherein the ring gear extends downwardly to form an extension, the planet carrier being rotatably connected to the ring gear by a second bearing.
9. The composite motion valve grinder according to claim 1, wherein one end of the grinding rod close to the grinding head and the free end of the connecting rod of the grinding head are respectively inserted into two ends of the elastic connecting sleeve.
10. The compound motion valve grinder of claim 9, wherein the end of the grinding rod adjacent the grinding bit and the free end of the connecting rod of the grinding bit are hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310738970.0A CN116652809A (en) | 2023-06-20 | 2023-06-20 | Composite motion valve grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310738970.0A CN116652809A (en) | 2023-06-20 | 2023-06-20 | Composite motion valve grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116652809A true CN116652809A (en) | 2023-08-29 |
Family
ID=87722384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310738970.0A Pending CN116652809A (en) | 2023-06-20 | 2023-06-20 | Composite motion valve grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116652809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117644471A (en) * | 2024-01-29 | 2024-03-05 | 北京特思迪半导体设备有限公司 | Method for precisely adjusting eccentricity of eccentric driving mechanism |
-
2023
- 2023-06-20 CN CN202310738970.0A patent/CN116652809A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117644471A (en) * | 2024-01-29 | 2024-03-05 | 北京特思迪半导体设备有限公司 | Method for precisely adjusting eccentricity of eccentric driving mechanism |
| CN117644471B (en) * | 2024-01-29 | 2024-04-16 | 北京特思迪半导体设备有限公司 | Method for precisely adjusting eccentricity of eccentric driving mechanism |
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