CN219542654U - Double-sided grinding device for E-type magnetostatic yoke of alternating-current contactor - Google Patents
Double-sided grinding device for E-type magnetostatic yoke of alternating-current contactor Download PDFInfo
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- CN219542654U CN219542654U CN202320378999.8U CN202320378999U CN219542654U CN 219542654 U CN219542654 U CN 219542654U CN 202320378999 U CN202320378999 U CN 202320378999U CN 219542654 U CN219542654 U CN 219542654U
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses an E-type static magnetic yoke double-sided grinding device of an alternating current contactor, which comprises a turntable, wherein a plurality of clamping plates are uniformly distributed along the circumference of the turntable, clamping grooves are formed in the inner side end parts of the clamping plates in a centering manner, an E-type static magnetic yoke is clamped in the clamping grooves, a plurality of top beads are arranged in one side wall of each clamping groove, one side of each top bead protrudes out of the side groove surface of each clamping groove, and springs are arranged on the other side of each top bead; the utility model adopts the cooperation of the upper grinding wheel, the lower grinding wheel and the turntable to simultaneously grind the two sides, realizes the up-down simultaneous grinding of the static magnetic yoke, can control different grinding amounts of the upper surface and the lower surface, ensures the skew, the parallelism and the flatness of the magnetic yoke after grinding, improves the quality of processing the static magnetic iron, shortens the processing period and improves the production efficiency.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to an alternating-current contactor E-type static magnetic yoke double-sided grinding device.
Background
The magnetic yoke is the heart of an alternating current contactor product, and the quality of the processing quality of the magnetic yoke directly influences the quality and the service life of the contactor product. Grinding of the magnet yoke is an important and critical process in the production and processing process of the magnet yoke. Aiming at the magnetic yoke which is not standard in shape and needs to be ground on a symmetrical surface, the traditional operation is to grind one surface by adopting a disc suction type through grinding machine, and then grind the other surface, and the defects are two-sided, firstly, because the traditional grinding is to grind the other surface after one surface is ground, the accuracy of parallelism, flatness, skew and the like of a grinding pole surface is difficult to ensure, more defective products of a grinding process are caused, the product quality is greatly influenced, and the process steps are complicated, the production efficiency is slow, and the processing period is long; secondly, the dry grinding mode adopted by the traditional grinding is easy to leave ground barbs at the edge of the static magnetic yoke or dust generated by grinding flows backward in corners of the magnetic yoke (especially the recessed parts of the magnetic rings are most), because the dust is not removed in time, a plurality of troubles are brought to the follow-up deburring and cleaning procedures, and the quality hidden trouble of iron response or iron core tingling of a contactor product is easy to exist; therefore, the utility model aims at the problems existing in the prior art, fully utilizes the advantages of the vertical numerical control disc grinder, and designs and manufactures a processing device capable of double-sided grinding of the static magnetic yoke to solve the problems.
Disclosure of Invention
The utility model aims to provide an E-type static magnetic yoke double-sided grinding device of an alternating-current contactor, which is used for solving the problems that in the prior art, 1) the machining precision errors of two sides of a magnetic yoke are large, and pole faces are skewed and defective products are more; 2) Complicated procedure steps and low production efficiency; 3) And the barbs at the edge of the back magnetic yoke are adhered and difficult to clean.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides an alternating current contactor E type static magnetic yoke double-sided abrasive machining device, this processingequipment sets up on the double-sided abrasive machine of vertical numerical control disc, including the carousel, there is several grip block along carousel circumference equipartition, the centre gripping groove has been seted up to the outside tip centering of grip block, the centre gripping has E type static magnetic yoke in the grip groove, still is provided with the several top pearl in one lateral wall of grip groove, the outstanding grip groove side groove face in one side of top pearl, the opposite side is provided with the spring.
Preferably, the top beads have four groups, and each group of top beads is arranged in parallel.
Preferably, the upper and lower sides of one end of the turntable are symmetrically provided with an upper grinding wheel and a lower grinding wheel respectively.
Preferably, a guard ring is arranged between the turntable and the upper grinding wheel.
Preferably, a high-pressure nozzle close to the E-shaped static magnetic yoke on the clamping groove is arranged along the front ends of the grinding discharge of the upper grinding wheel and the lower grinding wheel, and the high-pressure nozzle is fixedly connected to the nozzle fixing plate.
Preferably, the high-pressure spray heads are provided with four groups, and each group of high-pressure spray heads is perpendicular to the plane of the clamping plate.
Preferably, a backing plate is arranged at the bottom of the turntable.
Preferably, the width of the clamping groove is greater than or equal to the width of the E-type magnetostatic yoke.
The working process of the utility model is as follows:
designing and manufacturing a clamping plate of a clamping fixture by using numerical control turntable double-sided grinding machine equipment with extremely high grinding control precision, arranging clamping grooves on the outer centering surfaces of the clamping plate, machining four holes on the inner walls of the side surfaces of the clamping grooves, respectively installing four top beads with springs connected to the inner sides of the holes, and exposing the inner walls of the clamping grooves by the top beads, so that a static magnetic yoke to be ground is firmly fixed in the clamping plate, the static magnetic yoke is ensured not to deviate and shake in the grinding process, and the E-shaped static magnetic yoke can be freely and manually taken and placed; then uniformly fixing the manufactured clamping plates according to the size of the turntable; turning on a grinder equipment power supply, powering on a system, enabling an equipment touch screen interface to enter an adjustment picture, adjusting a finishing position and a grinding position of an upper grinding wheel and a lower grinding wheel on the adjustment picture, adjusting the angle of the upper grinding wheel, ensuring that an upward inclined micro-tension elevation angle is formed between the upper grinding wheel and the lower grinding wheel placed on a horizontal plane, enabling an E-type static magnetic yoke to smoothly enter a grinding area, and forming a grinding installation position with an opened feeding area and a clamped discharging area; after the positions and angles of the upper grinding wheel and the lower grinding wheel are adjusted, the grinding amounts of the upper grinding wheel and the lower grinding wheel are adjusted on the interface of the touch screen, so that the grinding precision of the E-type static magnetic yoke pole face is ensured; the water pump button for controlling the grinding fluid in the touch screen is turned on, and the grinding fluid with rust prevention and cold cutting starts to circularly operate; after the equipment runs for a few minutes without load, after observing that the equipment has no abnormal phenomenon, the E-type static magnetic yoke with the upward pole face is placed in sequence for grinding. Because the grinding fluid is used as the grinding medium, barbs or dust generated in the grinding process are completely dissolved in the grinding fluid, and an ultra-micro filter device is arranged in a circulating system of the grinding fluid, so that the grinding fluid always circulates in a slag-free and dust-free mode; a high-pressure spray head flushing device with a road pipeline and a diamond-shaped arrangement is arranged at the front end of the discharging station, and dust and barbs on the surface of the E-type static magnetic yoke after grinding are flushed clean under the high pressure of clean grinding fluid. Because the E-type static magnetic yoke is formed by grinding two sides at one time, the production period of grinding is shortened, the production efficiency is improved, and meanwhile, numerical control grinding equipment with high precision is adopted, the precision (skew, parallelism, flatness and pole surface roughness) of the E-type static magnetic yoke after grinding can be ensured to be within the range required by a drawing, and the processing quality of the E-type static magnetic yoke is improved.
The beneficial effects of the utility model are as follows:
(1) The utility model adopts a vertical numerical control disc eight-station grinding machine device, and a special clamping plate mould is designed and manufactured for grinding a static magnetic yoke, a groove for clamping the static magnetic yoke is processed on the clamping plate mould, a top bead with a spring is arranged on one surface of the clamping plate mould, the static magnetic yoke is ensured not to shake or deviate due to the force generated in the process of simultaneously extruding and grinding an upper grinding wheel and a lower grinding wheel, the design of the clamping plate not only ensures the grinding precision of the static magnetic yoke, but also ensures that the parallelism, the flatness and the torsion angle of the ground surface of the static magnetic yoke are smaller than 0.02mm.
(2) The utility model installs a high-pressure shower nozzle with 4 channels of pipelines at the grinding discharge position of the static magnetic yoke, directly carries out wrapped high-pressure flushing against the surface and periphery of the pole face of the static magnetic yoke, ensures dust generated by a grinding machine, and the adhesion barbs are flushed cleanly at one time, and are ready for subsequent magnet cleaning, thereby eliminating dust on the surface of the static magnetic yoke and residual barbs on the pole face.
(3) The utility model adopts the cooperation of the upper grinding wheel, the lower grinding wheel and the turntable to simultaneously grind the two sides, realizes the up-down simultaneous grinding of the static magnetic yoke, can control the up-down different grinding amounts, ensures the skew, the parallelism and the flatness of the magnetic yoke after grinding to realize the precision less than or equal to 0.02mm, also achieves the roughness of the pole face required by the drawing, improves the quality of the static magnetic iron processing, shortens the processing period, improves the production efficiency, and greatly improves the working efficiency from the original daily output of 3000 pieces of 4 sucking disc type surface grinding machines to the daily output of 8000 pieces of 1 numerical control turntable double-sided grinding machines.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a clamping plate structure according to the present utility model;
FIG. 3 is a schematic view of the structure of an E-type magnetostatic yoke according to the present utility model;
in the figure: 1-upper grinding wheel, 2-lower grinding wheel, 3-guard ring, 4-nozzle fixing plate, 5-high pressure nozzle, 6-E type static magnetic yoke, 7-backing plate, 8-clamping plate, 9-turntable, 10-top bead and 11-clamping groove.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
The machining device is arranged on a vertical numerical control disc double-sided grinding machine and comprises a rotary table 9, a plurality of clamping plates 8 are uniformly distributed along the circumference of the rotary table 9, clamping grooves 11 are formed in the outer side end parts of the clamping plates 8 in a centering mode, E-shaped static magnetic yokes 6 are clamped in the clamping grooves 11, 4 groups of top beads with springs and protruding groove surfaces with a margin of 0.20-0.30 mm are designed on the side surfaces of the clamping plates close to a grinding area so as to prevent the magnetic yokes from shaking in the clamping plates and affecting grinding accuracy, the magnetic yokes are positioned in an auxiliary mode, the distance between the magnetic yokes and the clamping plate grooves is reduced, the fixed mode of the magnetic yokes without swinging and shifting is ensured, meanwhile, the magnetic yokes can be easily installed in and conveniently taken out, and four groups of top beads 10 are parallel to each other.
The upper and lower sides of one end of the turntable 9 are symmetrically provided with an upper grinding wheel 1 and a lower grinding wheel 2 respectively, the upper grinding wheel 1 and the lower grinding wheel 2 are vertically arranged, and approximately account for one fourth of the turntable, and the upper grinding wheel is also a grinding area of the E-type magnetostatic yoke 6, a retainer 3 is added on the turntable 9 for grinding safety, and a base plate 7 is further arranged at the bottom of the turntable 9.
The front ends of the grinding discharge of the upper grinding wheel 1 and the lower grinding wheel 2 are provided with high-pressure spray heads 5 which are close to E-shaped static magnetic yokes 6 on the clamping grooves 11, the high-pressure spray heads 5 are fixedly connected to the nozzle fixing plate 4, the high-pressure spray heads 5 are provided with four groups, and each group of high-pressure spray heads 5 is perpendicular to the plane of the clamping plate 8.
The E-type static magnetic yoke 6 shown in fig. 3 comprises a static magnetic yoke formed by stacking 40 magnetic conductive sheets, 2 long pins, 2 split magnetic rings, 4 rivets and 2 short pins, and is riveted and pressed to form the static magnetic yoke before grinding, wherein the static magnetic yoke has a structure with small bottom, large pole face, asymmetric upper and lower surfaces and unstable bottom.
The working process of the utility model is as follows:
designing and manufacturing a clamping plate 8 by utilizing numerical control turntable double-sided grinding machine equipment with extremely high grinding control precision, arranging a clamping groove 11 on the outer centering surface of the clamping plate, machining four holes on the inner wall of the side surface of the clamping groove 11, respectively arranging four top beads 10 with springs connected to the inner sides in the holes, and exposing the inner wall of the clamping groove 11 by the top beads 10, so that a ground static magnetic yoke is firmly fixed in the clamping plate 8, and the E-shaped static magnetic yoke 6 can be freely and manually taken and placed without shifting and shaking in the grinding process; then uniformly fixing the manufactured clamping plate 8 according to the size of the turntable 9; turning on a grinder equipment power supply, powering on a system, enabling an equipment touch screen interface to enter an adjustment picture, adjusting a trimming position and a grinding position on an upper grinding wheel 1 and a lower grinding wheel 2 on the adjustment picture, adjusting the angle of the upper grinding wheel 1, ensuring that an upward inclined slightly-stretching elevation angle is formed between the upper grinding wheel and the lower grinding wheel 2 placed on a horizontal plane, enabling an E-type static magnetic yoke 6 to smoothly enter a grinding area, and forming a grinding installation position with an opened feeding area and a clamped discharging area; after the positions and angles of the upper grinding wheel 1 and the lower grinding wheel 2 are adjusted, the grinding amounts of the upper grinding wheel 1 and the lower grinding wheel 2 are adjusted on the interface of the touch screen, so that the grinding precision of the polar surfaces of the E-type static magnetic yoke 6 is ensured; the water pump button for controlling the grinding fluid in the touch screen is turned on, and the grinding fluid with rust prevention and cold cutting starts to circularly operate; after the equipment runs for a few minutes without load, after observing that the equipment has no abnormal phenomenon, the E-type static magnetic yoke 6 with the upward pole face is placed in sequence for grinding. Because the grinding fluid is used as the grinding medium, barbs or dust generated in the grinding process are completely dissolved in the grinding fluid, and an ultra-micro filter device is arranged in a circulating system of the grinding fluid, so that the grinding fluid always circulates in a slag-free and dust-free mode; the front end of the discharging station is provided with a protective cover, a high-pressure spray head 5 flushing device which is provided with 4 pipelines and is arranged into a diamond shape is arranged on the front end of the discharging station, and dust and barbs on the surface of the E-shaped static magnetic yoke 6 after grinding are flushed clean under the high pressure of clean grinding fluid. Because the E-type static magnetic yoke 6 is ground by double-sided one-step forming, the production period of grinding is shortened, the production efficiency is improved, and meanwhile, numerical control grinding equipment with high precision is adopted, the precision (skew, parallelism, flatness and pole surface roughness) after grinding can be ensured to be within the range required by the drawing, and the processing quality of the E-type static magnetic yoke 6 is improved.
According to the utility model, the upper grinding wheel, the lower grinding wheel and the turntable are matched to simultaneously perform double-sided grinding, so that the upper and lower grinding of the static magnetic yoke is realized, the upper and lower different grinding amounts can be controlled, the skew, the parallelism and the flatness of the magnetic yoke after grinding are ensured to be less than or equal to 0.02mm, the roughness of a pole face required by a drawing is achieved, the quality of processing static magnetic iron is improved, the processing period is shortened, the production efficiency is improved, the daily output of the double-sided grinding machine from the original daily output of a 4-sucker type surface grinding machine is 3000, the daily output of the double-sided grinding machine of the 1 numerical control turntable is 8000, and the working efficiency is greatly improved; the utility model installs a high-pressure shower nozzle with 4 channels of pipelines at the grinding discharge position of the static magnetic yoke, directly carries out wrapped high-pressure flushing against the surface and periphery of the pole face of the static magnetic yoke, ensures dust generated by a grinding machine, and the adhesion barbs are flushed cleanly at one time, and are ready for subsequent magnet cleaning, thereby eliminating dust on the surface of the static magnetic yoke and residual barbs on the pole face.
The foregoing is merely a preferred example of the present utility model, and it should be noted that other equivalent variations and modifications can be made as well known in the mechanical arts by those skilled in the art, given the technical teaching provided herein, and should also be considered as the scope of the present utility model.
Claims (8)
1. The utility model provides an alternating current contactor E type static magnetic yoke double-sided abrasive machining device, this processingequipment sets up on vertical numerical control disc double-sided grinding machine, its characterized in that: including carousel (9), there are several grip block (8) along carousel (9) circumference equipartition, grip block (8) outside tip centering has offered grip block (11), and the centre gripping has E magnetostatic yoke (6) in grip block (11), still is provided with several top pearl (10) in one lateral wall of grip block (11), and protruding grip block (11) side groove face in one side of top pearl (10), opposite side are provided with the spring.
2. The alternating-current contactor E-type magnetostatic yoke double-sided grinding device of claim 1, wherein: the top beads (10) are four groups, and each group of top beads (10) are arranged in parallel.
3. The ac contactor E-type magnetostatic yoke double-sided grinding device according to claim 1 or 2, wherein: the upper side and the lower side of one end of the rotary table (9) are symmetrically provided with an upper grinding wheel (1) and a lower grinding wheel (2) respectively.
4. The ac contactor E-type magnetostatic yoke double-sided grinding device of claim 3, wherein: a guard ring (3) is arranged between the rotary disc (9) and the upper grinding wheel (1).
5. The alternating-current contactor E-type magnetostatic yoke double-sided grinding device of claim 4, wherein: the front ends of the grinding discharge of the upper grinding wheel (1) and the lower grinding wheel (2) are provided with high-pressure spray heads (5) which are close to E-shaped static magnetic yokes (6) on the clamping grooves (11), and the high-pressure spray heads (5) are fixedly connected to the nozzle fixing plate (4).
6. The alternating-current contactor E-type magnetostatic yoke double-sided grinding device of claim 5, wherein: the high-pressure spray heads (5) are provided with four groups, and each group of high-pressure spray heads (5) is perpendicular to the plane of the clamping plate (8).
7. The alternating-current contactor E-type magnetostatic yoke double-sided grinding device of claim 6, wherein: the bottom of the turntable (9) is provided with a backing plate (7).
8. The alternating-current contactor E-type magnetostatic yoke double-sided grinding device of claim 7, wherein: the width of the clamping groove (11) is larger than or equal to that of the E-type magnetostatic yoke (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320378999.8U CN219542654U (en) | 2023-03-03 | 2023-03-03 | Double-sided grinding device for E-type magnetostatic yoke of alternating-current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320378999.8U CN219542654U (en) | 2023-03-03 | 2023-03-03 | Double-sided grinding device for E-type magnetostatic yoke of alternating-current contactor |
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| Publication Number | Publication Date |
|---|---|
| CN219542654U true CN219542654U (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320378999.8U Active CN219542654U (en) | 2023-03-03 | 2023-03-03 | Double-sided grinding device for E-type magnetostatic yoke of alternating-current contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219542654U (en) |
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2023
- 2023-03-03 CN CN202320378999.8U patent/CN219542654U/en active Active
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