Surface treatment polishing device for precision part machining

Abstract

The utility model relates to the technical field of machining, and discloses a surface treatment polishing device for precision part machining, which comprises a bottom frame, an electric cylinder is fixedly mounted at the bottom of the bottom frame, and the telescopic end of the electric cylinder movably penetrates through the bottom of the bottom frame and is fixedly connected with a dust collection cover. An electric telescopic rod is fixedly mounted at the top of the dust collecting cover, the telescopic end of the electric telescopic rod movably penetrates through the top of the dust collecting cover and is fixedly connected with a dustproof motor, and an output shaft of the dustproof motor is fixedly connected with a grinding wheel. The dust collecting cover can completely cover parts to be machined, metal chippings generated by polishing are effectively prevented from diffusing outwards, pollution of the chippings to a working site is avoided, follow-up cleaning cost is reduced, the dust collecting cover is matched with a scraping plate in the dust scraping structure, semi-circumferential movement is conducted with the rotating rod as the circle center, and the dust removing effect is good. Chippings on the transparent part on the inner side of the dust collecting cover can be cleaned in time, visibility is kept, and an operator can conveniently monitor the polishing process in real time.

Description

TECHNICAL FIELD

[0001] The utility model relates to machining technical field especially relates to a surface treatment polishing device of precision spare part processing. BACKGROUND

[0002] In modern manufacturing industry, the application of precision spare parts is more and more extensive. For example, in the field of aerospace, the blade of aircraft engine, in the field of medical instruments, high-precision surgical instrument spare parts etc. have very high requirements on precision. The surface quality of these precision spare parts directly affects its performance and service life. In order to achieve the required surface precision and quality standard, the surface treatment polishing process is very important.

[0003] The polishing device in the prior art realizes the collection of chippings, is equipped with a simple dust collecting hood, but the cleaning method of chippings adhered to the inner wall of the dust collecting hood is very backward. The common method is to clean the dust collecting hood manually after the polishing work is completed. The operator needs to stop the equipment, spends extra time, holds the cleaning tool and carefully cleans the inner wall of the dust collecting hood, especially the chippings of the transparent visible part.

[0004] The manual cleaning method of the prior art is very low in efficiency. Due to the uncontrollability of manual operation, it is easy to cause scratching damage to the dust collecting hood, affect its service life and transparency, and further interfere with the observation effect in the subsequent polishing process. At the same time, the equipment is in the state of shutdown during manual cleaning, which greatly reduces the overall production efficiency and cannot meet the demand of modern precision spare part processing for efficient and continuous production. Therefore, a surface treatment polishing device for precision spare part processing is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a surface treatment polishing device for precision spare part processing, which aims at improving the problems of low cleaning efficiency of the dust collecting hood and inconvenient observation of the polishing process.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of surface treatment and polishing device of precision component processing, including chassis, the bottom of the chassis is fixedly installed with electric cylinder, the telescopic end of the electric cylinder is movably penetrated the bottom of chassis and is fixedly connected with dust collection cover, the top of the dust collection cover is fixedly penetrated and is connected with dust extraction pipe, the top of the dust collection cover is fixedly installed with electric telescopic rod, the telescopic end of the electric telescopic rod is movably penetrated the top of dust collection cover and is fixedly connected with dustproof motor, dustproof motor's output shaft is fixedly connected with polishing wheel, one side of the dust collection cover is provided with dust scraping structure, the dust scraping structure includes extension frame, the extension frame is fixedly connected on the outside of dust collection cover on one side, the inside of the extension frame is slidably connected with moving plate, the other end of the spring is fixedly connected with one side of moving plate, the back of the extension frame is fixedly installed with motor, the output shaft of the motor is fixedly connected with oval cam, the end surface of the oval cam is rotatably connected with the inner wall of extension frame, one side of the moving plate is fixedly connected with rack, the front and rear sides of the dust collection cover are fixedly penetrated and are connected with rotary rod respectively through bearing, one end of adjacent between the rotary rod is fixedly connected with scraper respectively, the side of mutual far away between the scraper and the inner wall of dust collection cover is contacted, the surface of the rotary rod is fixedly sleeved with driven gear, the top of the rack is engaged with the bottom of driven gear.

[0007] As further description of the above technical solution: the dust collection cover is provided with dust suppression structure, the dust suppression structure includes shunt pipe, the two ends of the shunt pipe movably penetrate the top of dust collection cover and extend downward, the top of the shunt pipe is fixedly connected with water inlet pipe, the inside of the water inlet pipe and the shunt pipe are communicated, the outside of the chassis is fixedly connected with limiting frame, the top of the limiting frame is fixedly connected with the outer wall of water inlet pipe, the front and rear inner walls of the dust collection cover are fixedly connected with flow guide plate respectively, the top of the flow guide plate is provided with flow guide groove.

[0008] As further description of the above technical solution: the front of the extension frame is provided with sliding hole, the outer wall of the moving plate is in contact with the hole wall of sliding hole and is slidably connected, the hole wall of the sliding hole is fixedly connected with spring, one end of the spring is fixedly connected with the hole wall of sliding hole, the edge of the oval cam is abutted with one side of moving plate.

[0009] As further description of the above technical solution: the front and rear outer walls of the dust collection cover are fixedly connected with limiting strip, the top of the limiting strip is provided with sliding groove, the outer wall of the rack is in contact with the groove wall of sliding groove and is slidably connected.

[0010] As further description of the above technical solution: the top of the chassis is fixedly installed with positioning clamp.

[0011] As a further description of the above technical solution: the guide groove is arranged as an inclined surface, and a water outlet hole is formed in the outer side of the dust collecting cover and is in communication with the interior of the guide groove.

[0012] As a further description of the above technical solution: the dust collecting cover is in a semicircular shape, and the bottom opening of the dust collecting cover is arranged.

[0013] As a further description of the above technical solution: the front and rear end faces of the dust collecting cover are made of transparent glass.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1. In the utility model, the dust collecting cover can completely cover the parts to be processed, effectively blocks the metal chips generated by polishing from spreading outward, avoids the pollution of the chips to the working site, reduces the subsequent cleaning cost, and cooperates with the scraper in the dust scraping structure to make a semicircular motion around the rotating rod as the center, so that the chips on the transparent part of the dust collecting cover can be cleaned in time, the visibility is maintained, and the operator can monitor the polishing process in real time.

[0016] 2. In the utility model, the dust suppression structure is arranged, water is injected through the water inlet pipe, and the water is shunted through the shunt pipe, so that the water flow and the chips are mixed and discharged from the water outlet hole along the inclined surface of the guide plate, the effective cleaning of the chips and sewage is realized, the internal cleaning of the device is maintained, the risk of failure caused by the accumulation of chips in the device is reduced, and the convenience of device maintenance is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A front view of a surface treatment and polishing device for precise part machining is provided in the utility model.

[0018] Figure 2 A schematic view of a dust scraping structure of a surface treatment and polishing device for precise part machining is provided in the utility model.

[0019] Figure 3 A schematic view of part of the dust scraping structure of a surface treatment and polishing device for precise part machining is provided in the utility model.

[0020] Figure 4 A cross-sectional view of a dust suppression structure of a surface treatment and polishing device for precise part machining is provided in the utility model.

[0021] Figure 5 A structure schematic view of a water outlet hole of a surface treatment and polishing device for precise part machining in the dust collecting cover is provided in the utility model.

[0022] Figure 6The utility model provides a kind of surface treatment grinding device's shunt pipe, water inlet pipe, limit frame's part schematic view of precise component processing.

[0023] Legend:

[0024] 1, chassis;2, electric cylinder;3, dust collecting cover;4, dust suction pipe;5, electric telescopic rod;7, dust scraping structure;701, extension frame;702, limit strip;703, driven gear;704, rotating rod;705, scraper;706, spring;707, motor;708, oval cam;709, moving plate;7010, sliding hole;7011, rack;9, dust suppression structure;901, water inlet pipe;902, limit frame;903, shunt pipe;904, guide plate;905, guide groove;906, water outlet hole;10, grinding wheel;11, positioning fixture;12, sliding groove. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Reference Figure 1 , Figure 4 , Figure 5The utility model provides a kind of embodiment: a kind of surface treatment polishing device of precision parts processing, including chassis 1, chassis 1 is as the basis support structure of entire device, provides stable bearing platform for the installation of subsequent each component, the top of chassis 1 is fixedly installed with positioning fixture 11, positioning fixture 11 is used to accurately fix the precision parts to be processed, ensure that zero component does not displace in the polishing process, to guarantee the precision and quality of polishing, the bottom of chassis 1 is fixedly installed with electric cylinder 2, electric cylinder 2 is as power component, can provide accurate straight line driving force, the telescopic end of electric cylinder 2 is movable and penetrates the bottom of chassis 1 and is fixedly connected with dust collecting hood 3, dust collecting hood 3 is semicircular shape, this shape design is convenient to cage cover part, and it can be adapted to polishing operating space to some extent, dust collecting hood 3 is semicircular shape, the bottom opening of dust collecting hood 3 is set, facilitate dust collecting hood 3 to cover zero component downwards, the front and rear end surface of dust collecting hood 3 is transparent glass material, so that operator can observe polishing internal condition at any time through it, it is convenient to monitor polishing progress in real time, dust collecting hood 3 is fixedly penetrated and connected with dust extraction pipe 4 in the top, the top of dust extraction pipe 4 is connected with external dust extraction fan, and the inside metal scrap of dust collecting hood 3 is inhaled and collected by driving external dust extraction fan cooperation dust extraction pipe 4, dust collecting hood 3 is fixedly installed with electric telescopic rod 5 in the top, electric telescopic rod 5 can realize fine up and down position adjustment, the telescopic end of electric telescopic rod 5 is movable and penetrates the top of dust collecting hood 3 and is fixedly connected with dustproof motor, dustproof motor can effectively prevent dust generated in polishing from invading dustproof motor inside, guarantee the stable operation of dustproof motor, the output shaft of dustproof motor is fixedly connected with polishing wheel 10, and polishing wheel 10 is the key component that directly acts on the surface of zero component, for removing the flaw, burr etc. on the surface of zero component, realizes surface treatment effect.

[0027] Referring to Figure 2 , Figure 3The dust cover 3 is provided with a dust scraping structure 7 on one side, the dust scraping structure 7 comprises an extension frame 701, one side of the extension frame 701 is fixedly connected to the outer side of the dust cover 3, the extension frame 701 serves to connect and support the dust scraping structure 7, the inner side of the extension frame 701 is slidably connected with a moving plate 709, the front surface of the extension frame 701 is provided with a sliding hole 7010, the outer wall of the moving plate 709 is in sliding connection with the hole wall of the sliding hole 7010, the sliding hole 7010 provides a guide for the sliding of the moving plate 709, so that the moving plate 709 can move along a predetermined track, the hole wall of the sliding hole 7010 is fixedly connected with a spring 706, the spring 706 serves to buffer and reset, one end of the spring 706 is fixedly connected with the hole wall of the sliding hole 7010, the other end of the spring 706 is fixedly connected with one side of the moving plate 709, the edge of an elliptical cam 708 abuts against one side of the moving plate 709, the back surface of the extension frame 701 is fixedly provided with a motor 707, the motor 707 serves as a power source of the dust scraping structure 7, drives the elliptical cam 708 to rotate, the output shaft of the motor 707 is fixedly connected with the elliptical cam 708, the end surface of the elliptical cam 708 is rotatably connected with the inner wall of the extension frame 701, one side of the moving plate 709 is fixedly connected with a rack 7011, the front and rear outer walls of the dust cover 3 are both fixedly connected with a limiting strip 702, the top of the limiting strip 702 is provided with a sliding groove 12, the outer wall of the rack 7011 is in sliding connection with the groove wall of the sliding groove 12, the limiting strip 702 serves to limit and guide the sliding of the rack 7011, the two sides of the dust cover 3 are both fixedly connected with a rotating rod 704 through bearings, the bearings ensure that the rotating rod 704 can rotate flexibly, one end of the rotating rod 704 adjacent to the other is fixedly connected with a scraper 705, one side of the scraper 705 away from each other is in contact with the inner wall of the dust cover 3, the scraper 705 is used for scraping off the debris attached to the inner wall of the dust cover 3, so as to keep the visibility of the dust cover 3, the surface of the rotating rod 704 is fixedly provided with a driven gear 703, the top of the rack 7011 is engaged with the bottom of the driven gear 703, the rack 7011 is moved to drive the driven gear 703 to rotate.

[0028] Referring to Figure 4 , Figure 5 , Figure 6The dust cover 3 is provided with a dust suppression structure 9, the dust suppression structure 9 comprises a shunt pipe 903, both ends of the shunt pipe 903 are movably penetrated through the top of the dust cover 3 and extend downward, the shunt pipe 903 plays a key role in distributing water flow, the top of the shunt pipe 903 is fixedly connected with a water inlet pipe 901, the water inlet pipe 901 is a channel for the external water source to enter, the water inlet pipe 901 is in communication with the inside of the shunt pipe 903, the outside of the chassis 1 is fixedly connected with a limiting frame 902, the top of the limiting frame 902 is fixedly connected with the outer wall of the water inlet pipe 901, the limiting frame 902 plays a fixing and supporting role on the water inlet pipe 901, and ensures that the water inlet pipe 901 will not shake during the operation of the device, the front and rear inner walls of the dust cover 3 are respectively fixedly connected with flow guides 904, the flow guides 904 are used for guiding the mixture of water flow and debris to flow in a specific direction, the top of each flow guide 904 is provided with a flow guide groove 905, and the flow guide groove 905 is arranged in an inclined surface, the inclined surface design utilizes the principle of gravity, so that the water flow and the debris can flow downward naturally and smoothly, the outside of the dust cover 3 is provided with a water outlet hole 906, the water outlet hole 906 is in communication with the inside of the flow guide groove 905, and the water outlet hole 906 serves as an exhaust channel of the mixture of sewage and debris and exhausts the processed waste out of the device.

[0029] Working principle: first, the precision parts to be processed are placed in the middle of the two positioning clamps 11, the workpiece is clamped on both sides through the positioning clamp 11, then the electric cylinder 2 is started, the telescopic end of the electric cylinder 2 drives the dust cover 3 to move downward until the bottom of the dust cover 3 contacts the top of the top frame, the precision parts to be processed are completely covered by the dust cover 3, then the electric telescopic rod 5 is started, the telescopic end of the electric telescopic rod 5 drives the dustproof motor to move downward, the dustproof motor is started again, the output shaft of the dustproof motor drives the grinding wheel 10 to rotate, the surface of the precision parts is polished by the grinding wheel 10, through the setting of the dust cover 3, the metal chips generated during polishing can be prevented from spreading outward; then the electric cylinder 2 is started, the telescopic end of the electric cylinder 2 is started, the motor 707 is started, the output shaft of the motor 707 drives the elliptical cam to rotate, the edge of the elliptical cam 708 extrudes the moving plate 709, the moving plate 709 slides in the slide hole 7010, the moving plate 709 extrudes the spring 706, the moving plate 709 drives the two racks 7011 to move respectively, through the meshing of the rack 7011 and the driven gear 703, the rack 7011 drives the driven gear 703 to rotate clockwise and counterclockwise, the driven gear 703 drives the rotating rod 704 to rotate, the rotating rod 704 drives the scraper 705 to rotate, the scraper 705 rotates around the rotating rod 704 as the center, the inside transparent part of the dust cover 3 is cleaned by the scraper 705, so that the chips generated during polishing are prevented from adhering to the visible part of the inner wall of the dust cover 3, the chips enter the flow guide groove 905 opened in the lower flow guide plate 904 under the action of the scraper 705, water is injected through the top end of the water inlet pipe 901, the water flow is divided after passing through the shunt pipe 903, the divided water enters the flow guide groove 905 of the two flow guide plates 904, so that the water flow and the chips are mixed, the water flow flows downward along the inclined surface of the flow guide groove 905, and then is discharged from the water outlet hole 906.

[0030] Finally, it should be pointed out that: the above only for preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A surface treatment and polishing device for precision parts machining, comprising a base frame (1), characterized in that: The bottom of the chassis (1) is fixedly provided with an electric cylinder (2), the telescopic end of the electric cylinder (2) is movably penetrated through the bottom of the chassis (1) and is fixedly connected with a dust collecting cover (3), the top of the dust collecting cover (3) is fixedly penetrated and connected with a dust collecting pipe (4), the top of the dust collecting cover (3) is fixedly provided with an electric telescopic rod (5), the telescopic end of the electric telescopic rod (5) is movably penetrated through the top of the dust collecting cover (3) and is fixedly connected with a dustproof motor, the output shaft of the dustproof motor is fixedly connected with a polishing wheel (10), one side of the dust collecting cover (3) is provided with a dust scraping structure (7), the dust scraping structure (7) comprises an extension frame (701), one side of the extension frame (701) is fixedly connected to the outside of the dust collecting cover (3), the inner side of the extension frame (701) is slidably connected with a moving plate (709), the back of the extension frame (701) is fixedly provided with a motor (707), the output shaft of the motor (707) is fixedly connected with an oval cam (708), the end face of the oval cam (708) is rotatably connected with the inner wall of the extension frame (701), one side of the moving plate (709) is fixedly connected with a rack (7011), the front and rear sides of the dust collecting cover (3) are respectively fixedly penetrated and connected with a rotating rod (704) through bearings, one end of the rotating rods (704) adjacent to each other is fixedly connected with a scraper (705), the sides of the scrapers (705) away from each other are in contact with the inner wall of the dust collecting cover (3), the surface of the rotating rod (704) is fixedly sleeved with a driven gear (703), and the top of the rack (7011) is engaged with the bottom of the driven gear (703).

2. The surface treatment and polishing apparatus for precision component machining according to claim 1, characterized in that: A dust suppression structure (9) is arranged on the dust collecting cover (3), the dust suppression structure (9) comprises a shunt pipe (903), the two ends of the shunt pipe (903) are movably penetrated through the top of the dust collecting cover (3) and extend downward, the top of the shunt pipe (903) is fixedly connected with a water inlet pipe (901), the water inlet pipe (901) is in communication with the inside of the shunt pipe (903), the outside of the chassis (1) is fixedly connected with a limiting frame (902), the top of the limiting frame (902) is fixedly connected with the outer wall of the water inlet pipe (901), the front and rear inner walls of the dust collecting cover (3) are respectively fixedly connected with a flow guide plate (904), and the top of the flow guide plate (904) is provided with a flow guide groove (905).

3. The surface treatment and polishing apparatus for precision component machining according to claim 1, characterized in that: The front of the extension frame (701) is provided with a sliding hole (7010), the outer wall of the moving plate (709) is in contact with the hole wall of the sliding hole (7010) and is slidably connected, the hole wall of the sliding hole (7010) is fixedly connected with a spring (706), one end of the spring (706) is fixedly connected with the hole wall of the sliding hole (7010), the other end of the spring (706) is fixedly connected with one side of the moving plate (709), and the edge of the oval cam (708) abuts against one side of the moving plate (709).

4. The surface treatment and polishing apparatus for precision component machining according to claim 1, characterized in that: The front and rear outer walls of the dust collecting hood (3) are fixedly connected with limiting strips (702), the top of the limiting strip (702) is provided with a sliding groove (12), the outer wall of the rack (7011) is in contact with the groove wall of the sliding groove (12) and is in sliding connection.

5. The surface treatment and polishing apparatus for precision component machining of claim 1, wherein: The top of the bottom frame (1) is fixedly provided with a positioning clamp (11).

6. The surface treatment and polishing apparatus for precision component machining according to claim 2, characterized in that: The guide groove (905) is arranged in a slope, the outer side of the dust collecting hood (3) is provided with a water outlet hole (906), and the water outlet hole (906) is in communication with the inside of the guide groove (905).

7. The surface treatment and polishing apparatus for precision component machining of claim 1, wherein: The dust collecting hood (3) is in a semicircular shape, and the bottom of the dust collecting hood (3) is provided with an opening.

8. The surface treatment and polishing apparatus for precision component machining of claim 1, wherein: The front and rear end faces of the dust collecting hood (3) are made of transparent glass.

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