Magnetic core air gap grinding machine

Abstract

The invention relates to a magnetic core air gap grinding machine which comprises a rack assembly and an outer shell part covering the outer side of the rack assembly. Adjusting supporting legs are arranged at the lower end of the rack assembly. A transparent baffle and a transparent window are arranged on the outer shell part; a middle frame body is arranged in the outer shell part; a processing assembly is arranged above the middle frame body; a circulating liquid tank is arranged below the middle frame body; the machining assembly is used for grinding a to-be-ground piece. The device is reasonable in design, compact in structure and convenient to use.

Description

Technical Field

[0001] The invention relates to a transformer air gap grinding manufacturing process and relates to a magnetic core air gap grinding machine. Background Art

[0002] When processing electronic devices, continuous grinding is required. However, the existing processing, if dry wear is used, will lead to insufficient processing accuracy. How to improve the existing processing method, improve processing accuracy, improve processing conditions, and reduce dust has become a technical problem that needs to be solved urgently.

[0003] When grinding the transformer air gap underwater, the grinding head will be worn. If the initial position is used for each tool pass, the tool pass will be inaccurate and the grinding size will deviate. In order to achieve precise tool pass, it is necessary to use a tool setter (tool wear compensator) to compensate for the wear.

[0004] If the tool setting instrument is set up in a separate place to avoid contact with cutting fluid, the size of the equipment will increase, and the supporting track and power of the equipment will be increased, resulting in equipment redundancy.

[0005] Although the tool setting instrument is generally designed to be splash-proof, its sealing performance is not sufficient to work reliably for a long time below the liquid level. In addition, due to the precipitation of cutting fluid and its complex composition, debris will be deposited during the processing, resulting in oil film, impurities and sediments attached to the tool setting instrument. After each processing or when changing the tool and setting the tool in the middle, it needs to be cleaned to remove oil and impurities. Using degreasing agents (kerosene, etc.) to clean will cause the tool setting instrument to be contaminated and reduce its life.

[0006] At present, the protection schemes are armor-type protective covers and accordion covers, which are targeted to protect precision transmission parts, such as screws, guide rails, etc. The result is a large volume and complicated maintenance and cleaning. However, these parts only play a role in dust prevention or sealing. Traditional grinding is generally used for transformer air gap grinding, resulting in the grinding process failing to meet the design requirements.

[0007] The existing technology requires protection of every place that may be contaminated by oil, which is costly, bulky, and complex to maintain. The existing technology cannot solve the problem of transformer air gap grinding vortex.

[0008] The technical problem of the prior art is that when the micro-grinding head rotates at high speed below the liquid surface, it will inevitably form a vortex due to the existence of viscous force, which will cause contaminated droplets to splash everywhere and contaminate precision transmission parts such as guide rails and screws.

[0009] The existing magnetic meter stand shell is composed of two magnetic conductive bodies separated by a non-magnetic copper plate in the middle. There is a rotatable magnet inside, which has N and S poles along the diameter direction. Its principle is common knowledge.

[0010] At present, the existing technology uses a general hexagonal wrench to directly rotate the switch hexagonal hole of the disk. During the rotation process, the rotating tool and the operator are inevitably contaminated with grinding fluid, which is detrimental to pollution control and the health of the operator.

[0011] How to improve the sealing performance and avoid the grinding fluid from contaminating the operator and affecting his health has become a technical problem that needs to be solved urgently. Summary of the invention

[0012] The technical problem to be solved by the present invention is generally to provide a magnetic core air gap grinder.

[0013] To solve the above problems, the technical solution adopted by the present invention is:

[0014] In order to realize underwater grinding, a magnetic core air gap grinder includes a frame assembly and an outer shell member of the frame assembly outer buckle cover; an adjustment leg is arranged at the lower end of the frame assembly; a transparent baffle and a transparent window are arranged on the outer shell member;

[0015] An intermediate frame is arranged in the outer shell body;

[0016] A processing assembly is arranged above the intermediate frame;

[0017] A circulating liquid tank is provided below the middle frame;

[0018] The processing assembly is used for grinding the workpiece to be ground;

[0019] The circulating fluid tank is used to circulate the grinding fluid to the processing components and filter it;

[0020] The circulating liquid tank comprises a water tank shell; a filter screen plate and a pump unit are arranged above the water tank shell;

[0021] The pump assembly is used to connect the processing assembly through a pipeline to replenish the grinding fluid; the filter screen is arranged under the processing assembly to filter impurities in the grinding fluid discharged from the processing assembly.

[0022] In order to prevent the cutting fluid from contaminating the tool setting instrument and realize underwater tool setting, the tool setting instrument assembly includes a water-isolating seat arranged in the water tank;

[0023] A mounting cavity is provided in the water-isolating seat;

[0024] The cutting fluid isolation arrangement between the installation cavity and the water tank;

[0025] A tool setting instrument is placed in the installation cavity;

[0026] A water-proof cover is arranged on the installation cavity;

[0027] The water shield has a transparent hole exposing the top of the tool setting instrument;

[0028] The height of the plate on the water-blocking cover is higher than the level of the cutting fluid.

[0029] As a further improvement of the above technical solution:

[0030] In order to prevent the liquid generated by machining vibration from directly reaching the tool setting surface of the tool setting instrument, there is a gap between the through hole and the tool setting instrument component.

[0031] In order to reduce vibration and achieve miniaturization, the water-isolating seat includes a lower base mounted on a processing base of the equipment; a connecting step is arranged on the front end of the step surface of the lower base; and a rear side edge protruding upward at the rear end of the step surface of the lower base;

[0032] A water-isolating protrusion is arranged on the lower base;

[0033] The installation cavity is arranged in the water-isolating protrusion.

[0034] In order to further achieve water isolation, the water isolation cover is L-shaped; a process notch is set in the middle of the lower end of the front facade of the water isolation cover;

[0035] The upper surface of the upper plate of the water shield is higher than the liquid level of the cutting fluid;

[0036] The lower surface of the upper plate is in sealing contact with the upper end surface of the water-isolating protrusion;

[0037] The upper plate has a notch portion.

[0038] In order to facilitate observation, the waterproof cover is a transparent plate.

[0039] Tool setting probe assembly.

[0040] As a further improvement of the above technical solution:

[0041] The equipment also includes a processing base; a water tank and a movably arranged processing head are arranged on the processing base;

[0042] The processing machine head drives the tool head to the tool setting instrument for tool setting.

[0043] The processing machine head is a grinding machine head.

[0044] While realizing the miniaturization of the equipment, the present invention creatively installs a tool setter in the grinding fluid tank. By adding a fence, a tool setter with an ordinary splash-proof grade can also work below the liquid level, thereby reducing the procurement cost and preventing the liquid from causing fluctuations and reaching the tool surface of the tool setter.

[0045] The present invention eliminates the splashing of pollutants and liquids from the source, so the protective devices of precision parts such as screw rods and guide rails can be omitted, thus saving costs and reducing the size of the machine.

[0046] To solve the above problems, the technical solution adopted by the present invention is:

[0047] In order to prevent splashing and avoid vortex from affecting processing and splashing, the spoiler unit includes a spoiler cover; the spoiler cover includes an opening sleeve, a step portion A, a middle sleeve, a step portion B and a lower end nozzle connected in sequence;

[0048] The middle sleeve is provided with a side through groove, which is convenient for viewing and can disturb the vortex when it is immersed in the liquid surface.

[0049] In order to achieve fixation and elastic connection, a process opening is provided on the step portion A, and the process opening extends to the opening sleeve to disconnect the opening sleeve; side support ears are respectively provided at both ends of the opening sleeve disconnection; side connection holes are provided on the side support ears for installing bolts.

[0050] As a further improvement of the above technical solution:

[0051] In order to reduce vortex interference, the number of side slots is an odd number.

[0052] In order to facilitate bolt connection, a process groove is provided on the outer side wall of the side branch ear.

[0053] In order to facilitate fastening and elastic opening, the side through groove is arranged on the same side as the process opening.

[0054] In order to achieve the deflection, the inner wall of the step portion B is provided with an inner boss extending to the upper part of the root of the lower end nozzle;

[0055] A hollow carrier is provided below the lower end nozzle to realize liquid circulation, avoid vortex interference and avoid splashing.

[0056] In order to realize underwater processing, the processing assembly includes the above-mentioned spoiler unit and a matching water tank;

[0057] The carrier is placed in a water tank;

[0058] In order to realize fixed connection protection, a processing machine base with a rotating processing tool rod is arranged above the carrier; a processing machine head is arranged above the processing machine base.

[0059] As a further improvement of the above technical solution:

[0060] The open sheath is wrapped around the processing head;

[0061] The middle sleeve is mounted on the processing machine base;

[0062] The lower end nozzle is sleeved on the processing tool rod.

[0063] A diamond grinding head is arranged at the lower end of the machining tool bar;

[0064] The lower nozzle is located below the liquid level of the water tank.

[0065] The middle sleeve is located below the liquid level of the water tank.

[0066] In order to achieve fluid guidance, there is a gap between the middle sleeve and the processing machine base;

[0067] There is a gap between the lower nozzle and the processing tool rod.

[0068] In order to prevent the tool from entering underwater, the switch magnetic base body and the magnetic suction auxiliary device include a magnetic base body arranged in the water tank;

[0069] The magnetic base body is provided with a horizontal knob switch hole;

[0070] A front baffle is sealed and installed on the front face of the water tank;

[0071] The front baffle is provided with a process perforation;

[0072] A water collector is sealed on the outer side wall of the front baffle;

[0073] A transverse through hole coaxial with the knob switch hole is arranged on the water collector;

[0074] A manipulation handle is installed in the knob switch hole, the process perforation and the transverse through hole.

[0075] As a further improvement of the above technical solution:

[0076] For easy observation, the front baffle is a transparent glass plate.

[0077] A water isolation seat is arranged in the water tank; a process sink for installing tool setting instruments is arranged in the water isolation seat; a drainage through hole is arranged at the bottom of the process sink;

[0078] A circulating liquid tank is connected below the drainage through hole.

[0079] In order to facilitate the installation of the carrier, the upper surface of the magnetic base is used to attract the hollow carrier part.

[0080] In order to isolate the grinding fluid, it is avoided to provide a supporting flange at the end of the knob switch hole;

[0081] The operating handle comprises a handle, a connecting shaft, a rotating shaft shoulder and a knob head which are connected in sequence;

[0082] The handle is a petal-shaped knob and is exposed on the manifold;

[0083] The connecting shaft passes through the transverse through hole and the process through hole;

[0084] The rotating shoulder is in the supporting flange;

[0085] The knob head is located in the knob switch hole;

[0086] A sealing ring is arranged on the connecting shaft body.

[0087] In order to realize the circulation of grinding fluid, the front baffle has a liquid through hole;

[0088] The water collector comprises a shell; an interconnected inner cavity is arranged in the shell; a water discharge nozzle is connected to the lower end of the shell;

[0089] The lower end of the discharge nozzle is connected to a circulating liquid tank.

[0090] A water inlet nozzle connected to the circulating liquid tank is arranged in the water tank;

[0091] A petal opening is provided at the upper end of the water inlet;

[0092] The water inlet nozzle is connected to the circulating liquid tank pump.

[0093] To achieve smooth circulation, a pressure cap is placed on the petal opening;

[0094] The magnetic seat separates the water inlet nozzle from the water collector.

[0095] The invention has reasonable design, low cost, strong durability, safety and reliability, simple operation, time and labor saving, money saving, compact structure and convenient use. The invention eliminates the spread of pollution from the source, has low cost, simple and effective structure, can save a lot of cost and volume of protective equipment, and is conducive to miniaturization of machines and cost reduction.

[0096] One of the inventive points of this device is the water collector. The operating handle of the disk switch is sealed by a shaft seal, which passes through the hole on the glass and rotates the hexagonal hole of the disk. The shaft seal itself cannot seal high pressure difference for a long time, so the water collector adds another oil discharge channel, so that the pressure in the water collector cavity is close to atmospheric pressure. Therefore, the pressure distribution is the pressure in the water tank (the pressure generated by the liquid surface depth on the disk side) > the pressure inside the water collector cavity (connected to the atmosphere through the discharge channel) ≈ the pressure of the environment where the operating handle is located (atmospheric pressure). This design makes the working pressure difference of the shaft seal coordinated with the control handle close to zero, so the grinding fluid will not seep out from the shaft seal, but will be depressurized through the discharge channel of the water collector. This design eliminates the need to contact the grinding fluid during the operation of the disk switch, avoiding pollution spillage.

[0097] The present invention can operate the disk switch through the isolated glass, which is easy to operate, and the operation process will not contact the grinding fluid, which is more friendly to the protection of the operator. It solves the technical problem that the operation process of the prior art may cause the grinding fluid to contaminate the wrench, which is not conducive to the maintenance of the operating environment and has a certain impact on the health of the workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0098] Figure 1 It is a schematic diagram of the appearance structure of the present invention.

[0099] Figure 2It is a perspective schematic diagram of the approximate internal position structure of the present invention.

[0100] Figure 3 It is a schematic diagram of the structure of the circulating liquid tank of the present invention.

[0101] Figure 4 It is a schematic diagram of the device structure of the present invention.

[0102] Figure 5 It is a cross-sectional structural schematic diagram of the present invention.

[0103] Figure 6 It is a schematic diagram of the explosion structure of the present invention.

[0104] Figure 7 It is a schematic diagram of the use structure of the processing component of the present invention.

[0105] Figure 8 It is a schematic diagram of the structure of the spoiler unit of the present invention.

[0106] Fig. 9 It is a cross-sectional simplified structural schematic diagram of the present invention.

[0107] Fig.10 It is a schematic diagram of a partial cross-sectional view A of the device of the present invention.

[0108] Fig.11 It is a schematic diagram of the structure of a partial cross-section B of the device of the present invention.

[0109] Fig.12 It is a schematic diagram of the water tank structure of the present invention.

[0110] Fig.13 It is a schematic diagram of the partial structure of the front baffle of the present invention.

[0111] Among them: 101, water tank; 102, processing machine head; 103, processing tool rod; 104, spoiler; 105, opening sleeve; 106, middle sleeve; 107, lower end nozzle; 108, side through groove; 109, process opening; 110, side support ear; 111, process groove; 112, side connecting hole; 113, inner boss; 114, processing machine base.

[0112] 200, processing base; 201, water-blocking base; 202, water-blocking cover; 203, tool setting instrument; 204, connecting step; 205, water-blocking protrusion; 206, rear side; 207, installation cavity; 208, process notch; 209, upper plate; 210, through hole; 211, notch portion; 212, upper end surface.

[0113] 301, drainage through hole; 302, front baffle; 303, magnetic seat body; 304, hollow carrier part; 305, support flange; 306, knob switch hole; 307, knob head; 308, rotating shaft shoulder; 309, connecting shaft body; 310, handle; 311, water collector; 312, horizontal through hole; 313, interconnected inner cavity; 314, liquid outlet; 315, water discharge nozzle; 316, water inlet nozzle; 317, petal opening.

[0114] 401, outer shell; 402, adjustment legs; 403, frame assembly; 404, transparent window; 405, transparent baffle; 406, intermediate frame; 407, processing assembly; 408, circulating liquid tank; 409, water tank shell; 410, filter screen; 411, pump unit. DETAILED DESCRIPTION

[0115] like Figure 1-3 As shown, the magnetic core air gap grinder of this embodiment includes a frame assembly 403 and an outer shell member 401 of the frame assembly 403 with a buckle cover outside to achieve external protection; an adjustment leg 402 is provided at the lower end of the frame assembly 403 to achieve leveling equipment; a transparent baffle 405 is provided on the outer shell member 401 to facilitate viewing by the operator, and a transparent window 404 is convenient for viewing the screen;

[0116] An intermediate frame 406 is provided in the outer shell 401 and is supported by a steel structure.

[0117] A processing assembly 407 is arranged above the intermediate frame 406 for processing, and has transmission components such as a motor and a gear set.

[0118] A circulating liquid tank 408 is provided below the intermediate frame 406 to allow for the stationary and sedimentation of debris, thereby keeping the tank clean.

[0119] The processing assembly 407 is used for grinding the workpiece to be ground;

[0120] The circulating liquid tank 408 is used to circulate the grinding liquid to the processing assembly 407 and filter it;

[0121] The circulating liquid tank 408 includes a water tank housing 409; a filter screen 410 and a pump unit 411 are disposed above the water tank housing 409;

[0122] The pump assembly 411 is used to connect the processing assembly 407 through a pipeline to replenish the grinding fluid; the filter screen 410 is arranged below the processing assembly 407 to filter impurities in the grinding fluid discharged by the processing assembly 407. Outer shell 401, adjustment leg 402, frame assembly 403, transparent window 404, transparent baffle 405, intermediate frame 406, processing assembly 407, circulating liquid tank 408, water tank housing 409, filter screen 410, pump assembly 411

[0123] like Figure 4-6 As shown, the tool setting instrument assembly installed below the water level of this embodiment includes a water-blocking seat 201 arranged on the water tank 101; a mounting cavity 207 is arranged in the water-blocking seat 201; the mounting cavity 207 is isolated from the cutting fluid of the water tank 101; a tool setting instrument component 203 is placed in the mounting cavity 207; thereby separating the liquid from the tool setting instrument. In order to facilitate disassembly and assembly, the mounting cavity 207 generally needs to be widened and lengthened, resulting in a relatively large opening. In order to reduce the opening area, a water-blocking cover 202 is arranged on the mounting cavity 207; the water-blocking cover 202 has a through hole 210 that exposes the top of the tool setting instrument component 203, thereby reducing the chance of liquid entering; wherein the height of the plate on the water-blocking cover 202 is higher than the cutting fluid level. There is a gap between the through hole 210 and the tool setting instrument component 203, so that even if liquid enters the through hole 210, because it is offshore, the liquid flows into the mounting cavity 207 and does not directly reach the tool setting surface.

[0124] The water-isolating seat 201 includes a lower base installed on the processing base 200 of the equipment, so as to facilitate fixed installation. It occupies a large amount of water tank space and can reduce the use of cutting fluid. A connecting step 204 is provided on the front end of the step surface of the lower base for convenient installation as a whole with the carrier. The rear side edge 206 protrudes upward at the rear end of the step surface of the lower base to reduce liquid resonance and produce turbulence to the liquid.

[0125] A water-isolating protrusion 205 is provided on the lower base; a mounting cavity 207 is provided in the water-isolating protrusion 205 .

[0126] In order to facilitate water blocking, the water shield 202 is L-shaped; a process notch 208 is provided in the middle of the lower end of the front facade of the water shield 202 to facilitate the hand to take;

[0127] The upper surface of the upper plate 209 of the water shield 202 is higher than the liquid level of the cutting fluid;

[0128] The lower surface of the upper plate 209 is in sealing contact with the upper end surface 212 of the water-isolating protrusion 205, thereby preventing liquid from entering;

[0129] The upper plate 209 has a notch 211 .

[0130] The water-proof cover 202 is a transparent plate for easy observation, and can be a plastic plate or the like.

[0131] As an overall improved protection, the tool setting device of this embodiment installed below the water level includes a tool setting instrument assembly.

[0132] The device further comprises a processing base 200; a water tank 101 and a movably arranged processing head 102 are arranged on the processing base 200;

[0133] The processing machine head 102 drives the tool head to the tool setting instrument 203 for tool setting.

[0134] The processing head 102 is a grinding head.

[0135] A boss for mounting the tool setting instrument 203 is provided in the mounting cavity 207. Even if a small amount of liquid enters the cavity, the tool setting instrument will not be contaminated.

[0136] The structure is divided into two parts, which is convenient for assembly and disassembly. The grinding fluid is blocked by setting a liquid surface fence, so that the tool setting instrument is prevented from being immersed and causing failure.

[0137] The present invention enables the tool setting instrument to be installed below the grinding liquid level, thus saving space and being conducive to miniaturization of the equipment. The tool setting instrument is protected so that the grinding liquid will not flood and damage it.

[0138] like Figure 7-9 As shown, the spoiler unit of this embodiment includes a spoiler cover 104, which is preferably a sleeve structure; the spoiler cover 104 includes an opening sheath 105, a step portion A, a middle sheath 106, a step portion B and a lower end nozzle 107 connected in sequence, which are connected in sequence to achieve multi-level adjustment.

[0139] The middle sleeve 106 is provided with a side through groove 108 to achieve communication and improve the liquid flow effect.

[0140] A process opening 109 is provided on the step portion A, and the process opening 109 extends to the open sleeve 105 to disconnect the open sleeve 105; side support ears 110 are respectively provided at both ends of the disconnection point of the open sleeve 105; side connection holes 112 are provided on the side support ears 110 for inserting bolts, and the opening is used to realize shrinkage clamping or elastic opening.

[0141] The number of the side through grooves 108 is an odd number to reduce symmetry and avoid vortex, resonance and splashing.

[0142] A process groove 111 is provided on the outer side wall of the side support ear 110 to facilitate bolt connection.

[0143] The side through groove 108 and the process opening 109 are arranged on the same side, thereby increasing the elasticity of the opening.

[0144] The inner wall of the step portion B is provided with an inner boss 113 extending to the upper part of the root of the lower end nozzle 107 for deflection;

[0145] A hollowed-out carrier is provided below the lower nozzle 107 to reduce splashing and facilitate positioning and taking.

[0146] The processing assembly of this embodiment includes the above-mentioned spoiler unit and a matching water tank 101;

[0147] The carrier is placed in the water tank 101, thereby achieving liquid immersion.

[0148] As a basic mechanism, a high-speed rotary processing is performed, and a processing machine base 114 having a rotating processing tool bar 103 is arranged above the carrier; and a processing machine head 102 is arranged above the processing machine base 114.

[0149] The open sheath 105 is wrapped around the processing machine head 102; the middle sheath 106 is sleeved on the processing machine base 114; the lower end nozzle 107 is sleeved on the processing tool rod 103, thereby preventing splashing, preventing vortex generation, and avoiding interference from viscous forces.

[0150] As a processing protection, a diamond grinding head is provided at the lower end of the processing tool bar 103;

[0151] The lower end nozzle 107 is located below the liquid level of the water tank 101. There is a gap between the lower end nozzle 107 and the processing tool bar 103.

[0152] The middle sleeve 106 is located below the liquid level of the water tank 101. There is a gap between the middle sleeve 106 and the processing machine base 114, so as to achieve flow conduction and permeability.

[0153] As a specific application, the technical solution adopted is to add a sleeve for the grinding head. The inner wall of the sleeve is 1 to 4 mm away from the grinding head body (adjusted depending on the viscosity of the liquid). This can easily block the transmission of viscous force, making it difficult for vortices to form, thereby eliminating the possibility of liquid droplets splashing and keeping the equipment clean at all times.

[0154] The tip of the tool arbor spindle is a diamond grinding head, and its working condition is grinding below the liquid level, so that the generated dust will not fly around and damage the precision transmission parts. However, in actual operation, it is found that the viscosity of the grinding fluid is relatively large, which will be driven by the grinding head to generate a vortex, causing the contaminated grinding fluid to splash everywhere.

[0155] To this end, solutions such as Figure 1-3 As shown, the sleeve blocks the viscous force transmission path of the grinding head, thereby greatly increasing the difficulty of forming a vortex and avoiding the splashing of the grinding fluid.

[0156] like Figure 10-13 As shown, the magnetic suction auxiliary device for underwater grinding of this embodiment includes a magnetic seat body 303 arranged in a water tank 101, which is sucked by an externally purchased magnetic suction seat. Since it is purchased externally, this part of the accompanying drawing is a schematic diagram;

[0157] The magnetic base body 303 is provided with a horizontal knob switch hole 306, which is convenient for inserting a plug and driving the rotation to achieve suction or release;

[0158] A front baffle plate 302 is sealed and installed on the front end surface of the water tank 101. The front baffle plate 302 is separate from the water tank body and is a transparent glass plate.

[0159] Adopt transparent plate to achieve sealing and fit, which is convenient for observation;

[0160] The front baffle plate 302 is provided with a process perforation; a water collector 311 is sealed and provided on the outer side wall of the front baffle plate 302; and it can be sealed and bonded.

[0161] A transverse through hole 312 coaxial with the knob switch hole 306 is provided on the water collector 311;

[0162] An operating handle is installed in the knob switch hole 306, the process through hole, and the transverse through hole 312. Compared with immersing the hexagonal wrench in grinding fluid, it will not cause contamination of the wrench and avoid contact by the operator.

[0163] In order to reduce liquid splashing and resonance and prevent liquid from contaminating the tool setting instrument, a water separator 201 is provided in the water tank 101; a process sink 207 for installing tool setting instrument components is provided in the water separator 201; a drainage hole 301 is provided at the bottom of the process sink 207; even if grinding fluid occasionally enters the process sink 207, it will be naturally discharged through the drainage hole 301;

[0164] A circulating liquid tank is connected below the drainage through hole 301 , in which a pump is provided to achieve the sedimentation and filtration of the grinding fluid.

[0165] The upper surface of the magnetic base 303 is used to attract the hollow carrier portion 304 to facilitate carrying the workpiece.

[0166] A supporting flange 305 is provided at the end of the knob switch hole 306, which realizes sealing and isolation of the knob switch hole to prevent debris and grinding fluid from entering the hole and causing pollution; a connecting sleeve of the rotating axis of the magnetic seat body 303 is provided in the knob switch hole 306; the connecting sleeve is a hexagonal sleeve or a spline hole, etc.

[0167] As a specific description, the operating handle includes a handle 310, a connecting shaft 309, a rotating shoulder 308 and a knob head 307 which are connected in sequence;

[0168] The handle 310 is a petal-shaped knob and is exposed outside the water collector 311, so that the rotation operation is convenient.

[0169] The connecting shaft 309 passes through the transverse through hole 312 and the process through hole to achieve the transmission of rotational force;

[0170] The rotating shoulder 308 is in the supporting flange 305; a sealed connection is achieved, thereby isolating.

[0171] The knob head 307 is located in the knob switch hole 306; through transmission cooperation, the driving rotation is achieved.

[0172] A sealing ring is provided on the connecting shaft 309, and there is no pressure difference, thereby ensuring that the grinding fluid does not leak out and ensuring the durability of the sealing ring.

[0173] The front baffle 302 has a liquid passage 314 to realize the circulation of the grinding fluid;

[0174] The water collector 311 includes a shell; a communicating inner cavity 313 is provided in the shell to realize the downward flow of the grinding fluid at the connecting shaft 309; a water discharge nozzle 315 in the communicating inner cavity is connected to the lower end of the shell;

[0175] In the intercommunication inner cavity 313, free communication between the water tank and the circulating liquid tank is achieved;

[0176] The lower end of the discharge nozzle 315 is connected to a circulating liquid tank to achieve liquid sedimentation and filtration.

[0177] A water inlet nozzle 316 connected to the circulating liquid tank is provided in the water tank 101 to realize the return of the filtered grinding fluid;

[0178] A petal opening 317 is provided at the upper end of the water inlet nozzle 316 ; a pressure cap is placed on the petal opening 317 ; and the water inlet nozzle 316 is connected to a circulating liquid tank pump, so that the grinding fluid can return to the water tank through the gap of the petal opening 317 .

[0179] The magnetic base 303 separates the water inlet 316 from the water collector 311, thereby extending the distance of the grinding fluid and achieving better circulation of the grinding fluid.

[0180] The water collector adds another oil discharge channel, making the pressure in the water collector cavity close to atmospheric pressure. This design makes it unnecessary to contact the grinding fluid when operating the operating handle as a disk switch, avoiding contamination spillage.

[0181] like Figure 10-13 As shown in the figure, in actual work, the sealing between the control handle and the water collector is achieved through two oil seals. The disk side is a grinding fluid tank, so the grinding fluid will enter the cavity space between the water collector and the glass through the gap between the control handle and the glass hole and another discharge hole on the glass, and the discharge nozzle of the water collector guides the leaked grinding fluid to the open circulating fluid tank. Therefore, the pressure in the cavity between the water collector and the glass is very close to the atmospheric pressure. The control handle with a five-pointed handle is in the atmosphere, which greatly reduces the working pressure of the oil seal that seals the gap between the control handle and the water collector, eliminating the possibility of leakage of grinding fluid through the oil seal.

[0182] The present invention is fully described for a clearer disclosure, and the prior art is not listed one by one.

[0183] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some of the technical features therein with equivalents; it is obvious for those skilled in the art to combine multiple technical solutions of the present invention. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention. The technical contents not described in detail in the present invention are all known technologies.

Claims

1. A magnetic core air gap grinder, characterized in that: The invention comprises a frame assembly (403) and an outer shell member (401) of the frame assembly (403) with an outer buckle cover; an adjustment leg (402) is arranged at the lower end of the frame assembly (403); and a transparent baffle (405) and a transparent window (404) are arranged on the outer shell member (401); An intermediate frame (406) is arranged in the outer shell (401); A processing assembly (407) is disposed above the intermediate frame (406); A circulating liquid tank (408) is provided below the intermediate frame (406); The processing assembly (407) is used for grinding the workpiece to be ground; The circulating fluid tank (408) is used to circulate the grinding fluid to the processing assembly (407) and filter it; The circulating liquid tank (408) includes a water tank shell (409); a filter screen (410) and a pump unit (411) are arranged above the water tank shell (409); The pump assembly (411) is used to connect to the processing assembly (407) through a pipeline to replenish the grinding fluid; the filter screen (410) is arranged below the processing assembly (407) to filter impurities in the grinding fluid discharged from the processing assembly (407).

2. The magnetic core air gap grinder according to claim 1, characterized in that: The processing assembly (407) comprises a processing base (200); a water tank (101) and a movably arranged processing head (102) are arranged on the processing base (200); The processing machine head (102) is equipped with a tool setting instrument assembly located in the water tank (101); The processing machine head (102) drives the tool head to the tool setting instrument (203) for tool setting: The processing head (102) is a grinding head; The tool setting instrument assembly comprises a water-isolating seat (201) arranged in a water tank (101); A mounting cavity (207) is provided in the water isolation seat (201); The installation cavity (207) is isolated from the cutting fluid of the water tank (101); A tool setting instrument (203) is placed in the installation cavity (207); A water-blocking cover (202) is provided on the installation cavity (207); The water-proof cover (202) has a through hole (210) exposing the top of the tool setting instrument (203); The height of the upper plate of the water-blocking cover (202) is higher than the liquid level of the cutting fluid; There is a gap between the through hole (210) and the tool setting instrument (203).

3. The magnetic core air gap grinder according to claim 1, characterized in that: The water-isolating seat (201) comprises a lower base mounted on a processing base (200) of the equipment; a connecting step (204) is arranged on the front end of the step surface of the lower base; and a rear side edge (206) protruding upward at the rear end of the step surface of the lower base; A water-isolating protrusion (205) is provided on the lower base; The installation cavity (207) is arranged in the water-isolating protrusion (205); The water-blocking cover (202) is L-shaped; a process notch (208) is provided in the middle of the lower end of the front elevation of the water-blocking cover (202); The upper surface of the upper plate (209) of the water shield (202) is higher than the liquid level of the cutting fluid; The lower surface of the upper plate (209) is in sealing contact with the upper end surface (212) of the water-isolating protrusion (205); The upper plate (209) has a notch portion (211); The water-blocking cover (202) is a transparent plate; A boss for mounting the tool setting instrument (203) is arranged in the mounting cavity (207).

4. The magnetic core air gap grinder according to claim 2, characterized in that: The water tank (101) is equipped with a flow disturbance unit; The carrier is placed in a water tank (101); A processing machine base (114) having a rotating processing tool bar (103) is arranged above the carrier; a processing machine head (102) is arranged above the processing machine base (114); An open sheath (105) is wrapped around the processing machine head (102); The middle sleeve (106) is sleeved on the processing machine base (114); The lower end nozzle (107) is sleeved on the processing tool bar (103); A diamond grinding head is arranged at the lower end of the machining tool bar (103); The lower end nozzle (107) is located below the liquid level of the water tank (101); The middle sleeve (106) is located below the liquid level of the water tank (101).

5. The magnetic core air gap grinder according to claim 4, characterized in that: The spoiler unit comprises a spoiler cover (104); the spoiler cover (104) comprises an opening sheath (105), a step portion A, a middle sheath (106), a step portion B and a lower end nozzle (107) which are connected in sequence; The middle sleeve (106) has a side through groove (108); A process opening (109) is provided on the step portion A, and the process opening (109) extends to the opening sheath (105) to disconnect the opening sheath (105); Side branch ears (110) are respectively provided at both ends of the disconnected portion of the opening sheath (105); A side connection hole (112) is provided on the side support ear (110) for inserting a bolt; The number of the side through grooves (108) is an odd number; The outer side wall of the side branch ear (110) is provided with a process groove (111); The side through groove (108) and the process opening (109) are arranged on the same side; The inner side wall of the step portion B is provided with an inner boss (113) extending to the upper part of the root of the lower end nozzle (107); A carrier with a hollow portion is provided below the lower end nozzle (107); There is a gap between the middle sleeve (106) and the processing machine base (114); There is a gap between the lower end nozzle (107) and the processing tool rod (103).

6. The magnetic core air gap grinder according to claim 1, characterized in that: A magnetic attraction auxiliary device is arranged in the water tank (101), and the magnetic attraction auxiliary device comprises a magnetic seat body (303) arranged in the water tank (101); The magnetic base body (303) is provided with a transverse knob switch hole (306); A front baffle (302) is sealingly mounted on the front end surface of the water tank (101); A process perforation is provided on the front baffle (302); A water collector (311) is sealedly disposed on the outer side wall of the front baffle (302); The water collector (311) is provided with a transverse through hole (312) coaxial with the knob switch hole (306); A manipulation handle is installed in the knob switch hole (306), the process perforation, and the transverse through hole (312).

7. The magnetic core air gap grinder according to claim 6, characterized in that: The front baffle (302) is a transparent glass plate; A water isolation seat (201) is arranged in the water tank (101); a process sink (207) for installing a tool setting instrument is arranged in the water isolation seat (201); a drainage through hole (301) is arranged at the bottom of the process sink (207); A circulating liquid tank (408) is connected below the drainage through hole (301); The upper surface of the magnetic seat body (303) is used to attract the hollow carrier part (304); A supporting flange (305) is provided at the end of the knob switch hole (306); The operating handle comprises a handle (310), a connecting shaft (309), a rotating shaft shoulder (308) and a knob head (307) which are connected in sequence; The handle (310) is a petal-shaped knob and is exposed outside the water collector (311); The connecting shaft (309) passes through the transverse through hole (312) and the process through hole; A rotating shoulder (308) is provided in the supporting flange (305); The knob head (307) is located in the knob switch hole (306); A sealing ring is arranged on the connecting shaft body (309).

8. The magnetic core air gap grinder according to claim 7, characterized in that: The front baffle (302) has a liquid passage (314); The water collector (311) comprises a shell; a communicating inner cavity (313) for communication is arranged in the shell; a water discharge nozzle (315) is connected to the lower end of the shell; The lower end of the discharge nozzle (315) is connected to a circulating liquid tank (408); A water inlet nozzle (316) connected to the circulating liquid tank (408) is provided in the water tank (101); A petal opening (317) is provided at the upper end of the water inlet nozzle (316); The water inlet nozzle (316) is connected to the circulating liquid tank pump; The circulating liquid tank is open.

9. The magnetic core air gap grinder according to claim 8, characterized in that: Press cap on petal opening (317).

10. The magnetic core air gap grinder according to claim 9, characterized in that: The magnetic base (303) separates the water inlet nozzle (316) from the water collector (311).

Images