A kind of GIS switch shell inner wall particle jet polishing device

Abstract

The application discloses a kind of GIS switch shell inner wall particle injection polishing device, belong to fluid polishing technical field.The application includes support, polishing chamber, feeding robot, several switches to be polished shell, abrasive pool, magnetic filter, air pump, the automatic sliding door is arranged on the polishing chamber, the feeding robot is located in the side of polishing chamber, the device includes barrel seat, the barrel seat is installed on support, the polishing chamber is arranged on barrel seat, the clamping mechanism is arranged on the polishing chamber, the polishing mechanism is arranged in the barrel seat, the air inlet pipe and the discharge pipe are connected on the polishing mechanism, one end of the air inlet pipe is connected with the air supply end of air pump, the middle part of air inlet pipe is provided with siphon, one end of the discharge pipe and siphon is inserted into abrasive pool, the application is lifted by inner thread sleeve driving lifting platform, simultaneously using displacement wheel to let air injection pipe move, realize that air injection pipe is flexibly switched between inside and outside of switch shell and carries out injection polishing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fluid polishing, in particular to a GIS switch shell inner wall particle jet polishing device. BACKGROUND

[0002] Particle jet polishing is a surface treatment technology. Particle jet polishing is a process that involves mixing abrasive particles with compressed air or liquid and spraying them at high speed onto the surface of a workpiece to produce mechanical impact to remove material or improve surface quality. This process is also known as sanding, sandblasting, sandblasting polishing or sanding treatment. Particle jet polishing is widely used in various industries such as metal, plastic, glass, wood, concrete and silicon wafers. The effect of particle jet polishing can be controlled by adjusting multiple parameters, including abrasive particle size, compressed air or liquid pressure, nozzle shape, spraying distance, spraying angle and workpiece surface speed. The usage and application are very flexible.

[0003] GIS switch shell is a complex profile component. When fixed head is used for jet polishing, there are often neglected corners. It is difficult to consider the processing of both inner and outer surfaces in the same polishing equipment. Separate processing in different equipment is required, which is low in polishing efficiency. SUMMARY

[0004] The purpose of the present application is to provide a GIS switch shell inner wall particle jet polishing device to solve the problems raised in the background art.

[0005] In order to solve the above technical problems, the present application provides the following technical scheme: a GIS switch shell inner wall particle jet polishing device, comprising a support, a polishing chamber, a feeding robot, a plurality of switch shells to be polished, an abrasive pool, a magnetic filter and an air pump. The polishing chamber is provided with an automatic sliding door. The feeding robot is located on one side of the polishing chamber. The device comprises a barrel seat, which is installed on the support. The polishing chamber is arranged on the barrel seat. The polishing chamber is provided with a clamping mechanism. The polishing mechanism is arranged inside the barrel seat. The polishing mechanism is connected with an air inlet pipe and a discharge pipe. One end of the air inlet pipe is connected with the air supply end of the air pump. A siphon pipe is arranged in the middle of the air inlet pipe. One end of the discharge pipe and the siphon pipe extends into the abrasive pool. The feeding robot clamps the switch shell into the interior of the polishing chamber. The clamping mechanism clamps the switch shell. The feeding robot moves out of the polishing chamber. The automatic sliding door is closed. The air pump supplies air into the air inlet pipe. The airflow in the air inlet pipe flows at high speed, so that the pressure of one end of the siphon pipe connected with the air inlet pipe is reduced. The polishing particles in the abrasive pool are sucked into the air inlet pipe from the bottom of the siphon pipe. After the polishing particles are mixed with the gas, they are shot onto the switch shell from the air jet pipe in the polishing mechanism to polish the switch shell.

[0006] Further, the clamping mechanism comprises a hollow tooth ring, a suction cup and an electromagnet, the hollow tooth ring is rotatably installed on the top of the polishing chamber, the top of the polishing chamber is provided with a first motor, a gear is installed on the first motor, the gear is engaged with the hollow tooth ring, the suction cup and the electromagnet are located in the polishing chamber, the suction cup is installed below the hollow tooth ring, the electromagnet is installed on the bottom of the suction cup, a through hole is formed in the middle part of the suction cup and the electromagnet, and the middle part of the hollow tooth ring, the suction cup and the electromagnet are communicated with each other; after the switch shell is clamped into the polishing chamber by the feeding robot, the control system makes the electromagnet generate an attractive force, the switch shell is attracted by the electromagnet, the switch shell is also contacted with the suction cup at the same time, the non-magnetic slide core is lifted up, and the air hole is communicated with the inside of the suction cup.

[0007] Further, the non-magnetic slide core is slidably installed in the electromagnet, a push spring is arranged between the non-magnetic slide core and the suction cup, the bottom of the non-magnetic slide core extends out of the electromagnet, an open slide core is slidably arranged in the hollow tooth ring, a pull spring is arranged between the open slide core and the suction cup, an air hole is formed in the electromagnet, the non-magnetic slide core seals the air hole, an air exhaust pipe is arranged on the top of the hollow tooth ring, the air exhaust pipe is rotatably and sealingly connected with the hollow tooth ring, the air exhaust pipe is connected with the air suction end of the air pump through the control system, the open slide core is pushed upward after the non-magnetic slide core is lifted up, the air exhaust pipe is communicated with the inside of the suction cup through the hollow tooth ring, the electromagnet and the suction cup, the air pump exhausts air from the air exhaust pipe, the pressure in the suction cup is reduced, the suction cup tightly attracts the switch shell, under the action of the electromagnet attracting the switch shell, the suction cup further tightly attracts the switch shell, so that the switch shell does not shake and fall off during the jet polishing process, and the safety during polishing is improved.

[0008] Further, the polishing mechanism comprises an internal thread sleeve, a lifting platform, a material blocking plate and at least one pair of jet pipes, the internal thread sleeve is rotatably installed in the cylinder seat, a tooth groove is formed in the outer contour of the internal thread sleeve, a second motor is installed on the outer side of the cylinder seat, a second gear is installed on the second motor, the second gear penetrates through the cylinder seat and is engaged with the tooth groove, the second motor drives the second gear to rotate, the second gear drives the internal thread sleeve to rotate, the rotation of the internal thread sleeve drives the lifting platform to ascend or descend through the thread, the lifting platform drives the jet pipe to ascend or descend, the first motor drives the hollow tooth ring to rotate through the gear at the same time, the rotation of the hollow tooth ring part drives the switch shell to rotate, and the upward and downward movement of the jet pipe cooperates with the rotation of the switch shell, so that the ejected particles can cover the whole switch shell, and the whole surface of the switch shell is polished.

[0009] Further, the material blocking plate is installed on the top of the cylinder seat, a plurality of positioning columns are arranged between the material blocking plate and the bottom of the cylinder seat, the lifting platform is slidably arranged on the plurality of positioning columns, and a thread is formed in the outer contour of the lifting platform.

[0010] Further, the lifting platform is provided with a sliding groove for installing the air jet pipe, each air jet pipe penetrates the lifting platform, and each air jet pipe is coaxially provided with a pinion at the position corresponding to the lifting platform; one side of each sliding groove is provided with a rack, the pinion is engaged with the rack, and the outer surface of the switch shell still needs to be polished after polishing is completed, the lifting platform drives the air jet pipe to descend, the top of the air jet pipe descends below the bottom of the switch shell, the third motor drives the shift gear to rotate, the shift gear drives the shift wheel to rotate, the shift wheel rotates to give the air jet pipe a lateral moving component force through the sliding groove, so that the air jet pipe slides along the sliding groove on the lifting platform, all the air jet pipes are close to each other, and the air jet pipes are moved to be enough to extend into the inside of the switch shell, the lifting platform drives the air jet pipe to ascend, and the air jet pipe enters the inside of the switch shell to perform polishing work.

[0011] Further, the bottom of the lifting platform is rotationally provided with a shift wheel, a plurality of through grooves are formed in the shift wheel, the bottom end of the air jet pipe is in sliding contact with the through groove, the inside of the lifting platform is provided with a third motor, the third motor is provided with a shift gear, a gear slot is formed in the outer contour of the shift wheel, and the gear slot is engaged with the shift gear for transmission; when the air jet pipe slides along the sliding groove in the lifting platform, the pinion also rolls along the surface of the rack; when the air jet pipe polishes the inside of the switch shell, all the air outlets on the air jet pipe are directed to the inside of the switch shell; when the air jet pipe polishes the outside of the switch shell, the direction of the air outlet is changed through the engagement of the rack and the pinion when the air jet pipe shifts, so that all the air outlets are directed to the outside of the switch shell; the lifting platform is driven to ascend and descend through the internal thread sleeve, and the air jet pipe is moved through the shift wheel, so that the air jet pipe is flexibly switched between the inside and the outside of the switch shell, and the switch shell is entirely polished.

[0012] Further, the top of the air jet pipe is provided with a semicircle of air outlets, the blocking plate is also provided with a sliding groove at the position corresponding to the air jet pipe, the blocking plate is provided with a sealing film at each sliding groove, the sealing film seals the sliding groove on the blocking plate, the air jet pipe penetrates the sealing film, and a winding wheel is rotationally arranged at both ends of each sealing film in the inside of the blocking plate; each winding wheel is provided with a return coil spring at the transition of the blocking plate; both ends of the sealing film are wound on the winding wheel, the sealing film flexibly slides in the sliding groove of the blocking plate, the sealing of the sliding groove in the blocking plate is realized without hindering the sliding of the air jet pipe, and the ejected particles are blocked from entering the inside of the cartridge seat.

[0013] Further, the middle part of the material blocking plate is communicated with a material falling pipe, the material falling pipe is located at the bottom of the material blocking plate, the end of the material falling pipe away from the material blocking plate penetrates through the cylinder seat, the magnetic filter is located at the bottom of the cylinder seat, the magnetic filter is arranged at the end of the material falling pipe penetrating through the cylinder seat, the magnetic filter is also connected with the material outlet pipe, the polished particles fall from the material falling pipe connected with the middle part of the material blocking plate, the particles enter the magnetic filter to filter out metal impurities, and finally the particles flow out from the material outlet pipe to the abrasive pool, so that the particles are recycled.

[0014] Further, the air inlet pipe is connected with the bottom of each driving jet pipe through a hose.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] 1. The switch shell is attracted and contacted to the suction cup by the electromagnetic attraction, the non-magnetic slide core is lifted, the split slide core is pushed upward after the non-magnetic slide core is lifted, the air suction pipe is communicated with the inside of the suction cup through the hollow tooth ring and the electromagnetic, the switch shell is further attracted by the suction cup, the switch shell is prevented from shaking and falling off during the jet polishing process, and the safety during polishing is improved.

[0017] 2. The lifting platform is lifted by the internal thread sleeve, the jet pipe is moved by the variable position wheel, the jet pipe is flexibly switched between the inside and outside of the switch shell, the whole switch shell is jet polished, the sealing film is flexibly slid in the chute of the material blocking plate, the particles are prevented from entering the cylinder seat under the condition that the sliding of the jet pipe is not hindered, the particles are finally filtered out from the metal impurities in the magnetic filter, and the particles flow out from the material outlet pipe to the abrasive pool, so that the particles are recycled. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and are used to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0019] Figure 1 It is a schematic view of the overall appearance structure of the present application;

[0020] Figure 2 It is a schematic view of the overall appearance structure of the present application;

[0021] Figure 3 It is a schematic view of the internal structure of the present application;

[0022] Figure 4 It is a schematic view of the internal structure of the cylinder seat of the present application;

[0023] Figure 5 It is a schematic view of the internal structure of the cylinder seat of the present application;

[0024] Figure 6 is a partial structure diagram of the cartridge seat of the present application;

[0025] Figure 7 is a partial structure diagram of the cartridge seat of the present application;

[0026] Figure 8 is a partial structure diagram of the cartridge seat of the present application;

[0027] Figure 9 is a partial structure diagram of the cartridge seat of the present application;

[0028] In the figure: 1, polishing chamber; 2, cartridge seat; 3, abrasive pool; 4, air pump; 5, first motor; 6, hollow tooth ring; 7, suction disc; 8, electromagnet; 9, non-magnetic sliding core; 10, split sliding core; 11, air jet pipe; 12, pinion; 13, internally threaded sleeve; 14, lifting platform; 15, positioning column; 16, variable position wheel; 17, material blocking; 18, material dropping pipe; 19, film sealing; 20, winding wheel; 21, magnetic filter; 22, material outlet pipe; 23, air inlet pipe; 24, siphon pipe; 25, variable position gear. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0030] Please refer to Figures 1-9The application provides a technical scheme: a GIS switch shell inner wall particle jet polishing device, which comprises a support, a polishing chamber 1, a feeding robot, a plurality of switch shells to be polished, an abrasive pool 3, a magnetic filter 21 and a gas pump 4. An automatic sliding door is arranged on the polishing chamber 1, and the feeding robot is located on one side of the polishing chamber 1. The device comprises a barrel seat 2, the barrel seat 2 is installed on the support, the polishing chamber 1 is arranged on the barrel seat 2, a clamping mechanism is arranged on the polishing chamber 1, a polishing mechanism is arranged in the barrel seat 2, an air inlet pipe 23 and a discharge pipe 22 are connected to the polishing mechanism, one end of the air inlet pipe 23 is connected to a gas sending end of the gas pump 4, a siphon pipe 24 is arranged in the middle of the air inlet pipe 23, and one end of the discharge pipe 22 and the siphon pipe 24 extends into the abrasive pool 3. The feeding robot clamps the switch shell into the polishing chamber 1, the clamping mechanism clamps the switch shell, the feeding robot moves out of the polishing chamber 1, the automatic sliding door is closed, the gas pump 4 sends gas into the air inlet pipe 23, the airflow in the air inlet pipe 23 flows at high speed, the pressure of one end of the siphon pipe 24 connected with the air inlet pipe 23 is reduced, the polishing particles in the abrasive pool 3 are sucked into the air inlet pipe 23 from the bottom of the siphon pipe 24, the polishing particles are mixed with the gas and are sprayed onto the switch shell from a jet pipe 11 in the polishing mechanism to polish the switch shell.

[0031] The clamping mechanism comprises a hollow tooth ring 6, a suction cup 7 and an electromagnet 8. The hollow tooth ring 6 is rotatably installed at the top of the polishing chamber 1, a first motor 5 is installed at the top of the polishing chamber 1, a gear is installed on the first motor 5, the gear is engaged with the hollow tooth ring 6, the suction cup 7 and the electromagnet 8 are located in the polishing chamber 1, the suction cup 7 is installed below the hollow tooth ring 6, the electromagnet 8 is installed at the bottom of the suction cup 7, through holes are formed in the middle of the suction cup 7 and the electromagnet 8, the middle of the hollow tooth ring 6, the suction cup 7 and the electromagnet 8 are in communication, a non-magnetic sliding core 9 is slidably installed in the electromagnet 8, a push spring (not shown in the figure) is arranged between the non-magnetic sliding core 9 and the suction cup 7, the bottom of the non-magnetic sliding core 9 extends out of the electromagnet 8, a split sliding core 10 is slidably arranged in the hollow tooth ring 6, a pull spring (not shown in the figure) is arranged between the split sliding core 10 and the suction cup 7, a gas hole is formed in the electromagnet 8, the non-magnetic sliding core 9 blocks the gas hole, an air extraction pipe is arranged at the top of the hollow tooth ring 6, the air extraction pipe is rotatably and sealingly connected with the hollow tooth ring 6, and the air extraction pipe is connected to a gas extraction end of the gas pump 4 through a control system.

[0032] After the loading robot clamps the switch shell into the inside of the polishing chamber 1, the control system makes the electromagnet 8 generate suction force, the switch shell is attracted by the electromagnet 8, the switch shell is attracted at the same time and contacts the suction cup 7, the non-magnetic slide core 9 is lifted up, the air hole is communicated with the inside of the suction cup 7, the non-magnetic slide core 9 is lifted up and pushes the split slide core 10 upwards, the suction pipe is communicated with the inside of the suction cup 7 through the hollow tooth ring 6 and the electromagnet 8, the air pump 4 sucks air from the suction pipe, the pressure in the suction cup 7 is reduced, the suction cup 7 firmly sucks the switch shell, under the action of the electromagnet 8 attracting the switch shell, the suction cup 7 further firmly sucks the switch shell, which guarantees that the switch shell will not shake and fall off during the process of jet polishing, and improves the safety during polishing.

[0033] The polishing mechanism comprises an inner threaded sleeve 13, a lifting platform 14, a material blocking plate 17, and at least one pair of jet pipes 11, the inner threaded sleeve 13 is rotatably installed in the cylinder seat 2, a tooth groove is formed in the outer contour of the inner threaded sleeve 13, a second motor (not shown in the figure) is installed on the outside of the cylinder seat 2, a second gear is installed on the second motor, the second gear penetrates through the cylinder seat 2 and is engaged with the tooth groove, an air inlet pipe 23 is connected with the bottom of each jet pipe 11 through a hose, the material blocking plate 17 is installed on the top of the cylinder seat 2, a plurality of positioning columns 15 are arranged between the material blocking plate 17 and the bottom of the cylinder seat 2, the lifting platform 14 is slidably arranged on the plurality of positioning columns 15, a thread is formed in the outer contour of the lifting platform 14, the lifting platform 14 is threadedly connected with the inner threaded sleeve 13, a sliding groove for installing the jet pipe 11 is formed in the lifting platform 14, each jet pipe 11 penetrates through the lifting platform 14, a pinion 12 is coaxially arranged at the position of each jet pipe 11 corresponding to the lifting platform 14, a rack is arranged on one side of each sliding groove, and the pinion 12 is engaged with the rack.

[0034] The second motor drives the second gear to rotate, the second gear drives the inner threaded sleeve 13 to rotate, the inner threaded sleeve 13 drives the lifting platform 14 to ascend or descend through the thread, the lifting platform 14 drives the jet pipe 11 to ascend or descend, the first motor 5 simultaneously drives the hollow tooth ring 6 to rotate through the gear, part of the rotation of the hollow tooth ring 6 drives the switch shell to rotate, and the rotation is matched with the ascending and descending movement of the jet pipe 11, so that the ejected particles can cover the whole switch shell, the whole surface of the switch shell is polished, the outer surface of the switch shell still needs to be polished after the polishing is completed, the lifting platform 14 drives the jet pipe 11 to descend, the third motor drives the shift gear 25 to rotate after the top of the jet pipe 11 descends below the bottom of the switch shell, the shift gear 25 drives the shift wheel 16 to rotate, the shift wheel 16 gives the jet pipe 11 a lateral moving component force through the sliding groove when rotating, so that the jet pipe 11 slides along the sliding groove on the lifting platform 14, all the jet pipes 11 move close to each other until all the jet pipes 11 move enough to extend into the inside of the switch shell, the lifting platform 14 drives the jet pipe 11 to ascend, and the jet pipe 11 enters the inside of the switch shell to perform polishing work.

[0035] The bottom of the lifting platform 14 is rotationally installed with a displacement wheel 16, a plurality of through grooves are formed on the displacement wheel 16, the bottom end of the air jet pipe 11 is in sliding contact with the through grooves, a third motor is installed inside the lifting platform 14, a displacement gear 25 is installed on the third motor, a tooth groove is formed on the outer contour of the displacement wheel 16, the tooth groove is in meshing transmission with the displacement gear 25, a semicircle air jet port is formed on the top of the air jet pipe 11, a chute is also formed on the position corresponding to the air jet pipe 11 of the material blocking plate 17, an envelope 19 is arranged at each chute of the material blocking plate 17, the envelope 19 seals the chute on the material blocking plate 17, the air jet pipe 11 penetrates the envelope 19, and a winding wheel 20 is rotationally arranged at both ends of each envelope 19 inside the material blocking plate 17, a return coil spring is installed at the transition of each winding wheel 20 and the material blocking plate 17, and both ends of the envelope 19 are wound on the winding wheel 20.

[0036] When the air jet pipe 11 slides along the chute in the lifting platform 14, the pinion 12 also rolls along the surface of the rack, when the air jet pipe 11 performs polishing work on the inside of the switch housing, all the air jet ports on the air jet pipe 11 are directed towards the inside of the switch housing, when polishing work is performed on the outside of the switch housing, the direction of the air jet ports is changed by the meshing of the rack and the pinion 12 when the air jet pipe 11 is displaced, so that all the air jet ports are directed towards the outside of the switch housing, the lifting platform 14 is lifted by the internal thread sleeve 13, and the air jet pipe 11 is moved by the displacement wheel 16, realizing flexible switching of the air jet pipe 11 between the inside and outside of the switch housing, realizing jet polishing of the whole switch housing, the envelope 19 flexibly slides in the chute of the material blocking plate 17, without hindering the sliding of the air jet pipe 11, realizing sealing of the chute in the material blocking plate 17, and blocking the injection of particles into the cylinder seat 2.

[0037] The middle part of the material blocking plate 17 is connected with a material falling pipe 18, the material falling pipe 18 is located at the bottom of the material blocking plate 17, the end of the material falling pipe 18 away from the material blocking plate 17 penetrates the cylinder seat 2, a magnetic filter 21 is located at the bottom of the cylinder seat 2, the magnetic filter 21 is arranged at the end of the material falling pipe 18 penetrating the cylinder seat 2, the magnetic filter 21 is also connected with a discharging pipe 22, the polished particles fall from the material falling pipe 18 connected to the middle part of the material blocking plate 17, the particles enter the magnetic filter 21 to filter out metal impurities, and the particles finally flow out of the discharging pipe 22 to the abrasive pool 3, realizing recycling of the particles.

[0038] The working principle of the present application: when the polishing device in the present application is used to polish the switch shell, the feeding robot clamps the switch shell into the inside of the polishing chamber 1, the clamping mechanism clamps the switch shell, the feeding robot moves out of the polishing chamber 1, the automatic moving door is closed, the air pump 4 sends air into the air inlet pipe 23, the airflow in the air inlet pipe 23 flows at high speed, the pressure of the one end of the siphon pipe 24 connected with the air inlet pipe 23 is reduced, the polishing particles in the abrasive pool 3 are sucked into the air inlet pipe 23 from the bottom of the siphon pipe 24, the polishing particles are mixed with the gas and then are shot onto the switch shell from the air injection pipe 11 in the polishing mechanism to polish the switch shell.

[0039] After the feeding robot clamps the switch shell into the inside of the polishing chamber 1, the control system makes the electromagnet 8 generate suction force, the switch shell is attracted by the electromagnet 8, the switch shell is attracted at the same time and contacts the suction cup 7, the non-magnetic slide core 9 is lifted up, the air hole is communicated with the inside of the suction cup 7, the non-magnetic slide core 9 is lifted up and pushes the upper slide core 10 upward, the air extraction pipe is communicated with the inside of the suction cup 7 through the hollow tooth ring 6 and the electromagnet 8, the air pump 4 extracts air from the air extraction pipe, the pressure in the suction cup 7 is reduced, the suction cup 7 firmly attracts the switch shell, under the action of the electromagnet 8 attracting the switch shell, the suction cup 7 further firmly attracts the switch shell, which ensures that the switch shell will not shake and fall off in the process of jet polishing, and improves the safety during polishing.

[0040] The second motor drives the second gear to rotate, the second gear drives the inner threaded sleeve 13 to rotate, the rotation of the inner threaded sleeve 13 drives the lifting platform 14 to rise or fall through the thread, the lifting platform 14 drives the air injection pipe 11 to rise or fall, the first motor 5 simultaneously drives the hollow tooth ring 6 to rotate through the gear, the rotation of the hollow tooth ring 6 part drives the switch shell to rotate, which cooperates with the up and down movement of the air injection pipe 11, so that the ejected particles can cover the whole switch shell, realizing polishing of the whole surface of the switch shell, after the polishing of the outer surface of the switch shell is completed, the inside still needs to be polished, the lifting platform 14 first drives the air injection pipe 11 to descend, after the top of the air injection pipe 11 descends below the bottom of the switch shell, the third motor drives the shift gear 25 to rotate, the shift gear 25 drives the shift wheel 16 to rotate, when the shift wheel 16 rotates, it gives the air injection pipe 11 a lateral moving component force through the sliding groove, so that the air injection pipe 11 slides along the sliding groove on the lifting platform 14, all the air injection pipes 11 move close to each other, until all the air injection pipes 11 move enough to extend into the inside of the switch shell, the lifting platform 14 drives the air injection pipe 11 to rise, the air injection pipe 11 enters the inside of the switch shell to perform polishing work.

[0041] When the air jet pipe 11 slides along the sliding groove in the lifting platform 14, the pinion 12 also rolls along the surface of the rack, when the air jet pipe 11 polishes the inside of the switch shell, all the air outlets on the air jet pipe 11 are directed to the inside of the switch shell, when the air jet pipe 11 polishes the outside of the switch shell, the air jet pipe 11 is displaced, the direction of the air outlets is changed through the meshing of the rack and the pinion 12, so that all the air outlets are directed to the outside of the switch shell, the lifting platform 14 is lifted by the inner threaded sleeve 13, and the air jet pipe 11 is moved by the displacement wheel 16, the air jet pipe 11 is flexibly switched between the inside and the outside of the switch shell, the whole switch shell is jet polished, the sealing film 19 flexibly slides in the sliding groove of the blocking plate 17, the sealing of the sliding groove of the blocking plate 17 is realized without affecting the sliding of the air jet pipe 11, the sprayed particles are blocked from entering the cylinder seat 2, the polished particles fall from the falling pipe 18 connected to the middle of the blocking plate 17, the particles enter the magnetic filter 21 to filter out metal impurities, and finally the particles flow out of the discharge pipe 22 into the abrasive pool 3, realizing the recycling of the particles, and the switch shell is taken out by the feeding robot after polishing.

[0042] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0043] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A microparticle jet polishing device for the inner wall of a GIS switch housing, comprising a support, a polishing chamber (1), a feeding robot, several switch housings to be polished, an abrasive tank (3), a magnetic filter (21), and an air pump (4), wherein the polishing chamber (1) is provided with an automatic sliding door, and the feeding robot is located on one side of the polishing chamber (1), characterized in that: This device includes a cylindrical base (2), which is mounted on a bracket. The polishing chamber (1) is set on the cylindrical base (2), and a clamping mechanism is provided on the polishing chamber (1). A polishing mechanism is provided inside the cylindrical base (2). An air inlet pipe (23) and a material outlet pipe (22) are connected to the polishing mechanism. One end of the air inlet pipe (23) is connected to the air delivery end of the air pump (4). A siphon pipe (24) is provided in the middle of the air inlet pipe (23). One end of the material outlet pipe (22) and the siphon pipe (24) both extend into the abrasive pool (3). The polishing mechanism includes an internal threaded sleeve (13), a lifting platform (14), a baffle plate (17), and at least one pair of jet pipes (11). The internal threaded sleeve (13) is rotatably installed in the sleeve seat (2). The outer contour of the internal threaded sleeve (13) is provided with toothed grooves. A second motor is installed on the outside of the sleeve seat (2). A second gear is installed on the second motor. The second gear passes through the sleeve seat (2) and meshes with the toothed grooves. The lifting platform (14) is provided with a groove for installing the jet pipe (11). Each jet pipe (11) passes through the lifting platform (14). A small gear (12) is coaxially arranged at the position of each jet pipe (11) corresponding to the lifting platform (14). A rack is provided on one side of each groove. The small gear (12) meshes with the rack. The bottom of the lifting platform (14) is rotatably mounted with a displacement wheel (16), and several through grooves are opened on the displacement wheel (16). The bottom end of the jet pipe (11) slides in contact with the through grooves. A third motor is installed inside the lifting platform (14), and a displacement gear (25) is installed on the third motor. The outer contour of the displacement wheel (16) is provided with tooth grooves, and the tooth grooves mesh with the displacement gear (25) for transmission. The top of the jet pipe (11) has a semi-circular jet opening.

2. The microparticle jet polishing device for the inner wall of a GIS switch housing according to claim 1, characterized in that: The clamping mechanism includes a hollow toothed ring (6), a suction cup (7), and an electromagnet (8). The hollow toothed ring (6) is rotatably mounted on the top of the polishing chamber (1). A first motor (5) is mounted on the top of the polishing chamber (1). A gear is mounted on the first motor (5). The gear meshes with the hollow toothed ring (6). The suction cup (7) and the electromagnet (8) are located inside the polishing chamber (1). The suction cup (7) is mounted below the hollow toothed ring (6). The electromagnet (8) is mounted at the bottom of the suction cup (7). Through holes are opened in the middle of the suction cup (7) and the electromagnet (8). The middle parts of the hollow toothed ring (6), the suction cup (7), and the electromagnet (8) are interconnected.

3. The microparticle jet polishing device for the inner wall of a GIS switch housing according to claim 2, characterized in that: The electromagnet (8) has a non-magnetic sliding core (9) slidably installed inside. A thrust spring is provided between the non-magnetic sliding core (9) and the suction cup (7). The bottom of the non-magnetic sliding core (9) extends out of the electromagnet (8). The hollow toothed ring (6) has a split sliding core (10) slidably installed inside. A tension spring is provided between the split sliding core (10) and the suction cup (7). The electromagnet (8) has an air hole inside. The non-magnetic sliding core (9) seals the air hole. The top of the hollow toothed ring (6) is provided with an air extraction pipe. The air extraction pipe is rotatably and sealed to the hollow toothed ring (6). The air extraction pipe is connected to the air extraction end of the air pump (4) through the control system.

4. The microparticle jet polishing device for the inner wall of a GIS switch housing according to claim 1, characterized in that: The baffle plate (17) is installed on the top of the cylinder seat (2). Several positioning columns (15) are provided between the baffle plate (17) and the bottom of the cylinder seat (2). The lifting platform (14) is slidably arranged on the several positioning columns (15). The outer contour of the lifting platform (14) is threaded. The lifting platform (14) is threadedly connected to the internal threaded sleeve (13).

5. The microparticle jet polishing device for the inner wall of a GIS switch housing according to claim 1, characterized in that: The baffle plate (17) is also provided with a groove at the position corresponding to the jet pipe (11). A sealing film (19) is provided at each groove of the baffle plate (17). The sealing film (19) seals the groove on the baffle plate (17). The jet pipe (11) passes through the sealing film (19). A winding wheel (20) is rotatably provided inside the baffle plate (17) corresponding to both ends of each sealing film (19). A reset coil spring is installed at the junction of each winding wheel (20) and the baffle plate (17). Both ends of the sealing film (19) are wound on the winding wheel (20).

6. The microparticle jet polishing device for the inner wall of a GIS switch housing according to claim 1, characterized in that: A material drop pipe (18) is connected to the middle of the baffle plate (17). The material drop pipe (18) is located at the bottom of the baffle plate (17). The end of the material drop pipe (18) away from the baffle plate (17) passes through the cylinder seat (2). The magnetic filter (21) is located at the bottom of the cylinder seat (2). The magnetic filter (21) is set at the end of the material drop pipe (18) that passes through the cylinder seat (2). The magnetic filter (21) is also connected to the discharge pipe (22).

7. The microparticle jet polishing device for the inner wall of a GIS switch housing according to claim 1, characterized in that: The air intake pipe (23) is connected to the bottom of each drive jet pipe (11) via a hose.

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