Impurity-removing blank screening machine for insulator processing

Abstract

The invention discloses an insulator processing blank screening machine capable of removing impurities, the insulator processing blank screening machine comprises a screening shell, three vertically distributed fan-shaped discharging shells are arranged on the inner wall of the screening shell in a penetrating manner, and the insulator processing blank screening machine further comprises an iron removal mechanism and a screening anti-blocking mechanism; the iron removing mechanism comprises a conical material sliding disc, a conical material gathering disc, a first rotating shaft, an electromagnetic ring, a vortex type material guiding ring, a slag discharging pipe and a material receiving hopper. According to the blank screening machine capable of removing the impurities for the insulator machining, through a transmission element, magnetic separation discharging operation can be automatically conducted on iron-containing impurities in insulator blanks; meanwhile, the device drives multi-stage operation through one stage by virtue of a transmission element, so that an anti-blocking part rotates while a screening part of the insulator blank vibrates, the interference of blocking of screening holes in the screening part on screening of impurities of the insulator blank is reduced, and the screening efficiency of the insulator blank is improved. And through the reasonable dust removal structure design, dust impurities in the insulator blank can be better removed.

Description

Technical Field

[0001] The present invention relates to the technical field of insulator processing, and specifically to a blank screening machine for insulator processing that can remove impurities. Background Art

[0002] An insulator is a special insulating control device that can play an important role in overhead transmission lines. In the early years, insulators were mostly used on utility poles. Gradually, many disc-shaped insulators were hung at one end of the high-voltage wire connection tower. It is used to increase the creepage distance and is usually made of glass or ceramic, which is called an insulator. During the insulator processing, it is necessary to use screening equipment to remove large particle impurities and iron-containing substances in the insulator blank to ensure that the purity and fineness of the raw material meet the requirements. In the prior art: The patent with the authorization publication number CN 219052024 U discloses a screening device for porcelain insulator raw materials, including a base. The top surface of the base is fixedly installed with a screening box, and a plurality of vibrating screens are movably connected inside the screening box. The bottom surfaces of the plurality of vibrating screens are fixedly installed with vibrating motors. The two side surfaces of the screening box are fixedly installed with fan-shaped discharge shells corresponding to the positions of the plurality of vibrating screens, and a control panel is fixedly installed on one side of the fan-shaped discharge shell. One side of the screening box located on the top surface of the base is fixedly installed with a screw conveyor through a bracket. In the present invention, first, the raw materials for making porcelain insulators are put into the hopper, and then the screw conveyor is started by using the control panel. The screw conveyor works to lift the raw materials for making porcelain insulators in the hopper upward into the feed box, and then enter the screening box for screening. This greatly reduces the labor intensity of the staff during feeding and effectively improves the work efficiency of the staff during feeding. It has strong practicability and is worthy of promotion. However, this device makes the vibrating screen vibrate through the vibrating motor, thereby accelerating the screening effect of the porcelain insulator blank. The vibrating screen is horizontally designed, which easily causes large particle impurities in the porcelain insulator blank to be blocked at the screen holes of the vibrating screen due to mutual extrusion between materials, thereby affecting the impurity removal and screening effect of the vibrating screen on the porcelain insulator blank. At the same time, the porcelain insulator blank contains a certain amount of iron-containing impurities, and the particle sizes of the iron-containing impurities are different. The vibrating screen cannot accurately screen and remove them, so there is room for improvement. For this reason, we propose a blank screening machine for insulator processing that can remove impurities. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a blank screening machine for insulator processing that can remove impurities. Through the transmission element, the device can automatically perform magnetic separation and discharging operations on the iron-containing impurities in the insulator blanks, improving the impurity removal effect of the device on the iron-containing impurities in the insulator blanks. At the same time, through the transmission element, the device drives multiple levels in one stage, making the screening part of the insulator blanks vibrate while making the anti-blocking component rotate, reducing the interference caused by the blockage of the screening holes in the screening part to the impurity screening of the insulator blanks. And through the reasonable design of the dust removal structure, the device can better remove the dust impurities in the insulator blanks, and can effectively solve the problems in the background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: A blank screening machine for insulator processing that can remove impurities, including a screening shell, and three vertically distributed fan-shaped discharge shells are penetrated through the inner wall of the screening shell. It also includes a deironing mechanism and a screening anti-blocking mechanism;

[0005] Deironing mechanism: It includes a conical chute plate, a conical material collecting plate, a rotating shaft one, an electromagnetic ring, a spiral guide ring, a slag discharge pipe and a receiving hopper. The conical chute plate is arranged at the upper end of the inner wall of the screening shell through a fixing rod. An electromagnetic ring is arranged below the conical chute plate. The middle part of the conical chute plate is rotatably connected with a spiral guide ring through a rotating shaft one. The upper side of the spiral guide ring is in contact with the lower side of the electromagnetic ring. A conical material collecting plate is arranged at the upper end of the inner wall of the screening shell. A slag discharge pipe is penetrated through the upper end of the inner wall of the screening shell. A receiving hopper is arranged at the upper end of the slag discharge pipe. The receiving hopper is installed in cooperation with the spiral guide ring;

[0006] Screening anti-blocking mechanism: It is arranged inside the screening shell. Through the transmission element, the device can automatically perform magnetic separation and discharging operations on the iron-containing impurities in the insulator blanks, improving the impurity removal effect of the device on the iron-containing impurities in the insulator blanks. At the same time, through the transmission element, the device drives multiple levels in one stage, making the screening part of the insulator blanks vibrate while making the anti-blocking component rotate, reducing the interference caused by the blockage of the screening holes in the screening part to the impurity screening of the insulator blanks. And through the reasonable design of the dust removal structure, the device can better remove the dust impurities in the insulator blanks.

[0007] Further, it also includes a single-chip microcomputer. The single-chip microcomputer is located outside the screening shell. The input end of the single-chip microcomputer is electrically connected to an external power supply, and the output end of the single-chip microcomputer is electrically connected to the input end of the electromagnetic ring, which is convenient for controlling electrical components.

[0008] Further, the deironing mechanism also includes a linkage shaft and a spiral feeding blade. The linkage shaft is arranged at the lower end of the rotating shaft one. The lower end of the linkage shaft is located inside the receiving hopper and is provided with a spiral feeding blade. The outer edge of the spiral feeding blade is in sliding contact with the bottom inner wall of the receiving hopper, avoiding the phenomenon of discharge blockage in the receiving hopper of the blank screening machine for insulator processing that can remove impurities.

[0009] Furthermore, a first motor is provided on the upper side of the screening housing. The input end of the first motor is electrically connected to the output end of the single-chip microcomputer, and the output shaft of the first motor is fixedly connected to the upper end of the first rotating shaft, providing power for the collection of iron impurities in the blank screening machine for insulator processing capable of removing impurities.

[0010] Furthermore, the screening anti-blocking mechanism includes L-shaped telescopic rods, conical sieve plates, second rotating shafts, shaking components, anti-blocking components, discharge stirring rods, and second motors. There are six L-shaped telescopic rods, with three horizontally distributed L-shaped telescopic rods as a group. Each group of L-shaped telescopic rods is arranged on the inner wall of the screening housing, and a conical sieve plate is provided between the telescopic ends of each group of L-shaped telescopic rods. The bottom wall of the screening housing is rotatably connected to the second rotating shaft through a first bearing. A shaking component and an anti-blocking component are respectively provided between the second rotating shaft and the conical sieve plate. The lower end of the second rotating shaft is provided with a discharge stirring rod. A second motor is provided on the lower side of the screening housing. The input end of the second motor is electrically connected to the output end of the single-chip microcomputer, and the output shaft of the second motor is fixedly connected to the lower end of the second rotating shaft. The device drives multiple levels of operation, causing the screening part of the insulator blank to vibrate while causing the anti-blocking component to rotate.

[0011] Furthermore, the screening anti-blocking mechanism further includes arc-shaped sealing plates and sealing components. The sealing components include rubber sealing rings and rubber sealing sheets. The arc-shaped sealing plates are respectively provided at the right lower side of the conical sieve plates. The arc-shaped sealing plates are respectively installed in cooperation with the adjacent fan-shaped discharge housings. Rubber sealing sheets are provided on the outer arc surfaces of the arc-shaped sealing plates, and rubber sealing rings are provided on the outer arc surfaces of the conical sieve plates, sealing the moving gaps between components during the screening process of the insulator blanks to prevent the insulator blanks from passing through these gaps during the screening process.

[0012] Furthermore, the shaking component includes annular seats, wave-shaped sliding grooves, and synchronizing rods. There are two annular seats, and both annular seats are arranged outside the second rotating shaft. Wave-shaped sliding grooves are respectively opened on the outer sides of the annular seats, and synchronizing rods are respectively slidably connected inside the wave-shaped sliding grooves. The upper ends of the synchronizing rods are fixedly connected to the lower sides of the adjacent conical sieve plates, causing the screening part in the blank screening machine for insulator processing capable of removing impurities to vibrate vertically.

[0013] Furthermore, the anti-blocking component includes anti-blocking stirring rods, guiding grooves, and guiding strips. The middle lower ends of the anti-blocking stirring rods are respectively rotatably connected to the middle circular holes of the conical sieve plates through second bearings. Guiding strips are respectively provided in the through holes opened in the middles of the anti-blocking stirring rods. Two vertically distributed guiding grooves are opened on the outer side of the second rotating shaft, and the guiding strips are respectively slidably connected to the adjacent guiding grooves, reducing the probability of blockage of the sieve holes in the screening part in the blank screening machine for insulator processing capable of removing impurities.

[0014] Further, two symmetrically distributed arc-shaped shells are provided on the outer side of the screening shell. Uniformly distributed air pipes are provided through the inner arc walls of the arc-shaped shells. One ends of the air pipes close to the center of the screening shell all pass through the wall of the screening shell. A dust collection box is placed on the left side of the screening shell. Circulation air pipes are provided through the front and rear walls of the dust collection box. The right ends of the circulation air pipes are all connected to the adjacent arc-shaped shells. An L-shaped filter plate is provided between the top wall and the rear wall of the dust collection box. The circulation air pipes are cooperatively installed with the L-shaped filter plate. An air extractor is connected in series at the left end of the front circulation air pipe. The input end of the air extractor is electrically connected to the output end of the single-chip microcomputer. Through a reasonable dust removal structure design, dust impurities in the insulator blank can be better removed.

[0015] Further, a drawer is slidably connected between the left and right walls at the bottom inside the screening shell to collect the dust impurities screened by the insulator blank screening machine capable of removing impurities.

[0016] Compared with the prior art, the beneficial effects of the present invention are: The present insulator blank screening machine capable of removing impurities has the following advantages:

[0017] 1. When using the device to perform impurity removal and screening operations on insulator blanks, through components such as a conical chute plate, a conical material collecting plate, a first rotating shaft, an electromagnetic ring, a spiral guide ring, a linkage shaft, and a spiral feeding blade, by restricting the impurity removal path of the insulator blanks and applying a magnetic field suction force to this path, magnetic separation and discharging operations can be automatically performed on the iron-containing impurities in the insulator blanks, thereby improving the impurity removal effect of the device on the iron-containing impurities in the insulator blanks.

[0018] 2. When using the device to perform impurity removal and screening operations on insulator blanks, through components such as an L-shaped telescopic rod, a conical sieve plate, a second rotating shaft, a shaking component, and an anti-blocking component, while the screening part of the insulator blanks vibrates, the anti-blocking component rotates, reducing the interference caused by the blockage of the sieve holes in the screening part to the screening of impurities in the insulator blanks. The power device at this part drives multiple power components to operate at one level, which can reduce the production cost of the device itself.

[0019] 3. When using the device to perform impurity removal and screening operations on insulator blanks, through components such as arc-shaped shells, air pipes, dust collection boxes, circulation air pipes, and L-shaped filter plates, circulating air flow dust impurity screening is performed on the freely falling insulator blanks. The interference forces exerted between the freely falling insulator blanks are small, making it easier for dust impurities to be separated from the insulator blanks. And by increasing the dust removal air flow coverage range of the insulator blanks, the separation effect of the device on the dust impurities in the insulator blanks is further improved. Thus, through a reasonable dust removal structure design, the device can better remove the dust impurities in the insulator blanks. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the present invention;

[0021] Figure 2 Schematic diagram of the internal structure of the present invention;

[0022] Figure 3 Schematic diagram of the sectional structure of the screening shell of the present invention;

[0023] Figure 4 Schematic diagram of the disassembled structure of the iron removal mechanism of the present invention;

[0024] Figure 5 Schematic diagram of the dust collection box structure of the present invention;

[0025] Figure 6 Schematic diagram of the enlarged structure at position A of the present invention;

[0026] Figure 7 Schematic diagram of the enlarged structure at position B of the present invention;

[0027] Figure 8 Schematic diagram of the enlarged structure at position C of the present invention;

[0028] Figure 9 Schematic diagram of the conical material collecting tray of the present invention;

[0029] Figure 10 Schematic diagram of the disassembled structure of the conical sieve plate and the anti-blocking stirring rod of the present invention.

[0030] In the figure: 1 screening shell, 2 single-chip microcomputer, 3 iron removal mechanism, 31 conical chute, 32 conical material collecting tray, 33 first rotating shaft, 34 electromagnetic ring, 35 spiral guide ring, 36 linkage shaft, 37 spiral feeding blade, 38 slag discharge pipe, 39 receiving hopper, 4 first motor, 5 screening anti-blocking mechanism, 51 L-shaped telescopic rod, 52 conical sieve plate, 53 second rotating shaft, 54 shaking assembly, 541 annular seat, 542 wavy chute, 543 synchronizing rod, 55 anti-blocking assembly, 551 anti-blocking stirring rod, 552 guide groove, 553 guide strip, 56 discharge stirring rod, 57 second motor, 58 arc-shaped sealing plate, 59 sealing assembly, 591 rubber sealing ring, 592 rubber sealing sheet, 6 arc-shaped shell, 7 air pipe, 8 dust collection box, 9 circulating air pipe, 10 L-shaped filter plate, 11 induced draft fan, 12 drawer, 13 fan-shaped discharge shell. Detailed implementation manners

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] Please refer to Figures 1-10, this embodiment provides a technical solution: a blank screening machine for insulator processing that can remove impurities, including a screening shell 1. Three vertically distributed fan-shaped discharge shells 13 penetrate through the inner wall of the screening shell 1. It also includes a single-chip microcomputer 2, which is located outside the screening shell 1. The input end of the single-chip microcomputer 2 is electrically connected to an external power supply. When using the device to remove impurities from insulator blanks, first connect the feed pipe at the top of the device to an external spiral feeder for insulator blanks. The insulator blanks enter the top end of the device through the spiral feeder and then fall. It also includes a de-ironing mechanism 3 and a screening anti-blocking mechanism 5;

[0033] Iron removal mechanism 3: It includes a conical material chute 31, a conical material collecting plate 32, a first rotating shaft 33, an electromagnetic ring 34, a spiral guide ring 35, a slag discharge pipe 38 and a material collecting hopper 39. The conical material chute 31 is arranged at the upper end of the inner wall of the screening shell 1 through a fixing rod. An electromagnetic ring 34 is arranged below the conical material chute 31. The middle part of the conical material chute 31 is rotatably connected with a spiral guide ring 35 through a first rotating shaft 33. The upper side of the spiral guide ring 35 is in contact with the lower side of the electromagnetic ring 34. A conical material collecting plate 32 is arranged at the upper end of the inner wall of the screening shell 1. A slag discharge pipe 38 penetrates through the upper end of the inner wall of the screening shell 1. A material collecting hopper 39 is arranged at the upper end of the slag discharge pipe 38. The material collecting hopper 39 is cooperatively installed with the spiral guide ring 35. The output end of the single-chip microcomputer 2 is electrically connected to the input end of the electromagnetic ring 34. The iron removal mechanism 3 further includes a linkage shaft 36 and a spiral feeding blade 37. The linkage shaft 36 is arranged at the lower end of the first rotating shaft 33. The lower end of the linkage shaft 36 is located inside the material collecting hopper 39 and is provided with a spiral feeding blade 37. The outer edge of the spiral feeding blade 37 is in sliding contact with the bottom inner wall of the material collecting hopper 39. A first motor 4 is arranged on the upper side of the screening shell 1. The input end of the first motor 4 is electrically connected to the output end of the single-chip microcomputer 2. The output shaft of the first motor 4 is fixedly connected to the upper end of the first rotating shaft 33. The insulator blank drops onto the upper conical surface of the conical material chute 31 and slides down along the conical surface to the surroundings. The insulator blank falls through the gap between the conical material chute 31 and the inner wall of the screening shell 1 to the conical surface of the conical material collecting plate 32. The insulator blank moves along the upper conical surface of the conical material collecting plate 32 towards the through hole in the central part. During this process, the single-chip microcomputer 2 starts the electromagnetic ring 34, and the electromagnetic ring 34 generates electromagnetic suction. Through the electromagnetic suction, the iron-containing impurities in the insulator blank passing between the conical material collecting plate 32 and the conical material chute 31 are adsorbed, so that these iron-containing impurities gather below the electromagnetic ring 34, realizing the screening operation of the iron-containing impurities in the insulator blank. At the same time, the single-chip microcomputer 2 starts the first motor 4 to drive the output shaft to drive the first rotating shaft 33 to rotate forward. The first rotating shaft 33 drives the spiral guide ring 35 to rotate. During the rotation of the spiral guide ring 35, the arc surface of itself extrudes and guides the material to move, so as to move the iron-containing impurities adsorbed below the electromagnetic ring 34 towards the hollow part in the middle of the electromagnetic ring 34. After the iron-containing impurities move a certain distance towards the hollow part in the middle of the electromagnetic ring 34, these iron-containing impurities move out of the magnetic field adsorption range generated by the electromagnetic ring 34. Subsequently, these iron-containing impurities fall into the material collecting hopper 39 under the action of gravity and are discharged from the device through the slag discharge pipe 38. During the forward rotation of the first rotating shaft 33, the spiral feeding blade 37 is driven to rotate synchronously through the linkage shaft 36. During the rotation of the spiral feeding blade 37, the spiral surface of itself applies a downward feeding pressure to the iron-containing impurities in the material collecting hopper 39 to avoid the phenomenon of material discharge blockage in the material collecting hopper 39. The conical material chute 31 can be prepared from aluminum products, and the magnetic field generated by the electromagnetic ring 34 below is isolated through the aluminum material to avoid the magnetic field acting above the conical material chute 31. This device can automatically perform magnetic separation and material discharge operations on the iron-containing impurities in the insulator blank through transmission elements.Improve the impurity removal effect of the device on the iron impurities contained in the insulator blank;

[0034] Screening anti-blocking mechanism 5: It is arranged inside the screening shell 1. The screening anti-blocking mechanism 5 includes L-shaped telescopic rods 51, conical sieve plates 52, rotating shaft two 53, shaking assembly 54, anti-blocking assembly 55, discharging stirring rod 56 and motor two 57. There are six L-shaped telescopic rods 51. Three horizontally distributed L-shaped telescopic rods 51 form a group. Each group of L-shaped telescopic rods 51 is arranged on the inner wall of the screening shell 1. A conical sieve plate 52 is arranged between the telescopic ends of each group of L-shaped telescopic rods 51. (The L-shaped telescopic rod 51 has an L-shaped fixed cylinder, and the fixed cylinders are respectively fixedly connected to the inner wall of the screening shell 1. The inner walls of the fixed cylinders are respectively slidably connected with telescopic sliding rods, and the tops of the telescopic sliding rods are fixedly connected to the top of the conical sieve plate 52). The bottom wall of the screening shell 1 is rotationally connected to the rotating shaft two 53 through bearing one. A shaking assembly 54 and an anti-blocking assembly 55 are respectively arranged between the rotating shaft two 53 and the conical sieve plate 52. The lower end of the rotating shaft two 53 is provided with a discharging stirring rod 56. A motor two 57 is arranged on the lower side of the screening shell 1. The input end of the motor two 57 is electrically connected to the output end of the single-chip microcomputer 2. The output shaft of the motor two 57 is fixedly connected to the lower end of the rotating shaft two 53. The screening anti-blocking mechanism 5 further includes arc-shaped sealing plates 58 and sealing assemblies 59. The sealing assembly 59 includes a rubber sealing ring 591 and a rubber sealing sheet 592. The arc-shaped sealing plates 58 are respectively arranged at the lower right ends of the conical sieve plates 52. The arc-shaped sealing plates 58 are respectively installed in cooperation with the adjacent sector-shaped discharging shells 13. Rubber sealing sheets 592 are arranged on the outer arc surfaces of the arc-shaped sealing plates 58. Rubber sealing rings 591 are arranged on the outer arc surfaces of the conical sieve plates 52. The shaking assembly 54 includes an annular seat 541, a wave-shaped chute 542 and a synchronous rod 543. There are two annular seats 541. Both annular seats 541 are arranged outside the rotating shaft two 53. Wave-shaped chutes 542 are respectively opened on the outer sides of the annular seats 541. Synchronous rods 543 are respectively slidably connected inside the wave-shaped chutes 542. The upper ends of the synchronous rods 543 are respectively fixedly connected to the lower sides of the adjacent conical sieve plates 52. The anti-blocking assembly 55 includes anti-blocking stirring rods 551, guiding grooves 552 and guiding strips 553. The middle lower ends of the anti-blocking stirring rods 551 are respectively rotationally connected to the middle circular holes of the conical sieve plates 52 through bearing two. Guiding strips 553 are respectively arranged in the through holes opened in the middle of the anti-blocking stirring rods 551. Two vertically distributed guiding grooves 552 are opened on the outer side of the rotating shaft two 53. The guiding strips 553 are respectively slidably connected to the adjacent guiding grooves 552. The insulator blanks with iron impurities removed fall through the gap between the middle of the conical aggregating plate 32 and the receiving hopper 39 to the middle upper side of the upper conical sieve plate 52. The filtering aperture of the filter holes of the upper conical sieve plate 52 is larger than that of the lower conical sieve plate 52. Through the filter holes on the upper conical sieve plate 52, the insulator blanks are screened for impurities according to the particle size requirements. The qualified insulator blanks pass through the lower conical sieve plate 52 and are screened again by the same principle. During this process, the single-chip microcomputer 2 starts the motor two 57 to drive its output shaft to drive the rotating shaft two 53 to rotate reversely. The rotating shaft two 53 drives the annular seat 541 to rotate synchronously. During the rotation of the annular seat 541,Through the sliding extrusion guidance of its own wave chute 542 and the synchronous rod 543, the synchronous rod 543 drives the corresponding conical sieve plate 52 to move vertically up and down reciprocally along the telescopic end of the L-shaped telescopic rod 51 (during this process, the guide strip 553 slides adaptively with the adjacent guide groove 552). Through the vertical up and down reciprocating movement of the conical sieve plate 52 (during the vertical up and down movement of the conical sieve plate 52, the rubber sealing ring 591 on its outer side drives along the inner wall of the screening shell 1 to contact and slide adaptively. Through the rubber sealing ring 591, the gap between the conical sieve plate 52 and the screening shell 1 is blocked to prevent materials from falling through the gap. At the same time, the conical sieve plate 52 drives the arc-shaped sealing plate 58 to move vertically synchronously. During the vertical movement of the arc-shaped sealing plate 58, the outer arc surface of itself blocks the gap between the bottom of the conical sieve plate 52 and the adjacent sector-shaped discharge shell 13 to prevent materials from continuing to move downward along this gap when being discharged through the corresponding sector-shaped discharge shell 13 due to the existence of this gap. The rubber sealing piece 592 blocks the gap between the arc-shaped sealing plate 58 and the screening shell 1 by the same principle to prevent the materials above the conical sieve plate 52 from moving downward through this gap. Furthermore, during the vertical up and down reciprocating movement of the conical sieve plate 52, the outer arc surface of the arc-shaped sealing plate 58 always blocks the leakage gap between the conical sieve plate 52 and the adjacent sector-shaped discharge shell 13), so that the conical sieve plate 52 accelerates the screening speed of the insulator blanks on its upper side through jitter. During the vertical up and down reciprocating movement of the conical sieve plate 52, the lowest vertical downward position and the highest vertical upward position of the conical sieve plate 52 are both within the vertical range of the discharge port of the adjacent sector-shaped discharge shell 13, so that the upper surface of the conical sieve plate 52 is always within the vertical material port range of the discharge port of the adjacent sector-shaped discharge shell 13, thereby ensuring that during the vertical reciprocating movement of the conical sieve plate 52, the unqualified screened materials can be discharged through the adjacent sector-shaped discharge shell 13. During the rotation of the second rotating shaft 53, through the sliding engagement between the guide groove 552 opened on itself and the guide strip 553, the guide strip 553 drives the corresponding anti-blocking stirring rod 551 to rotate reversely while the conical sieve plate 52 moves vertically. During the reverse rotation of the anti-blocking stirring rod 551, the upper surface of the corresponding conical sieve plate 52 is scraped and cleaned of blocked materials by its bottom, reducing the probability of blockage of the conical sieve plate 52 during the screening of insulator blanks. At the same time, the unqualified materials slide down around the cone surface of the conical sieve plate 52. During the reverse rotation of the anti-blocking stirring rod 551, the unqualified materials on the conical sieve plate 52 are conveyed to the outer edge through the arc surface of its stirring rod, so that the unqualified screened materials are discharged from the device through the corresponding sector-shaped discharge shell 13. The lower end of the second rotating shaft 53 drives the discharge stirring rod 56 to rotate reversely, and by the same principle, the materials on the bottom wall of the screening shell 1 are discharged from the device through the lowermost sector-shaped discharge shell 13. This device drives multiple levels to operate through transmission components, making the screening part of the insulator blanks vibrate while making the anti-blocking components rotate.Reduce the interference caused by the blockage of the sieve holes in the screening area to the impurity screening of the insulator blank;

[0035] Among them, two symmetrically distributed arc-shaped shells 6 are provided on the outer side of the screening shell 1. Uniformly distributed air pipes 7 are penetrated through the inner arc walls of the arc-shaped shells 6. One end of each air pipe 7 close to the center of the screening shell 1 passes through the wall body of the screening shell 1. A dust collection box 8 is placed on the left side of the screening shell 1. Circulation air pipes 9 are penetrated through the front and rear walls of the dust collection box 8. The right ends of the circulation air pipes 9 are connected to the adjacent arc-shaped shells 6. An L-shaped filter plate 10 is provided between the top wall and the rear wall of the dust collection box 8. The circulation air pipes 9 are installed in cooperation with the L-shaped filter plate 10. An induced draft fan 11 is connected in series at the left end of the front circulation air pipe 9. The input end of the induced draft fan 11 is electrically connected to the output end of the single-chip microcomputer 2. A drawer 12 is slidably connected between the left and right walls at the bottom inside the screening shell 1 through a slide rail. During the impurity screening of the insulator blank, the single-chip microcomputer 2 starts the induced draft fan 11, and the induced draft fan 11 operates, so that the air flow passes through the front air pipe 7 and the front circulation air pipe 9 in the screening shell 1 and enters the dust collection box 8, and passes through the L-shaped filter plate 10 in the dust collection box 8 and enters the screening shell 1 again from the rear circulation air pipe 9 and the rear air pipe 7, so as to realize the recycling of the dust removal air flow. During the screening process of the insulator blank, it is in a free-falling state. At this time, the insulator blanks are less affected by external forces and are relatively scattered during the falling process under their own gravity. At this time, the circulating air flow can more conveniently and carefully carry the dust impurities in the insulator blank against gravity into the dust collection box 8, and the circulating air flow has a wide distribution range. By increasing the overall dust air flow impurity removal atmosphere of the insulator blank, the screening and impurity removal effect of the device on the dust impurities of the insulator blank is further improved. The L-shaped filter plate 10 in the dust collection box 8 filters the dust impurities screened from the insulator blank carried by the circulating air flow and collects them into the drawer 12. Through the reasonable design of the dust removal structure, the device can better remove the dust impurities in the insulator blank.

[0036] The working principle of a blank screening machine for insulator processing that can remove impurities provided by the present invention is as follows: When using the device to remove impurities from insulator blanks, first connect the feed pipe at the top of the device to the external spiral feeder for insulator blanks. The insulator blanks enter the top inside of the device through the spiral feeder and fall. The insulator blanks drop onto the upper conical surface of the conical chute plate 31 and slide downwards around the cone. The insulator blanks fall through the gap between the conical chute plate 31 and the inner wall of the screening shell 1 onto the conical surface of the conical material collecting plate 32. The insulator blanks move along the upper conical surface of the conical material collecting plate 32 towards the through-hole in the central part. During this process, the single-chip microcomputer 2 starts the electromagnetic ring 34, and the electromagnetic ring 34 generates electromagnetic suction force. Through the electromagnetic suction force, the iron-containing impurities in the insulator blanks passing between the conical material collecting plate 32 and the conical chute plate 31 are adsorbed, causing these iron-containing impurities to accumulate below the electromagnetic ring 34, realizing the screening operation of the iron-containing impurities in the insulator blanks. At the same time, the single-chip microcomputer 2 starts the first motor 4 so that its output shaft drives the first rotating shaft 33 to rotate forward. The first rotating shaft 33 drives the spiral guide ring 35 to rotate. During the rotation of the spiral guide ring 35, it guides the extrusion movement of the material through its arc surface, so as to move the iron-containing impurities adsorbed below the electromagnetic ring 34 towards the hollow part in the middle of the electromagnetic ring 34. After the iron-containing impurities move a certain distance towards the hollow part in the middle of the electromagnetic ring 34, these iron-containing impurities move out of the magnetic adsorption range generated by the electromagnetic ring 34. Subsequently, these iron-containing impurities fall into the material collecting hopper 39 under the action of gravity and are discharged from the device through the slag discharge pipe 38. During the forward rotation of the first rotating shaft 33, the spiral feeding blade 37 is driven to rotate synchronously through the linkage shaft 36. During the rotation of the spiral feeding blade 37, through its spiral surface, a feeding pressure is applied downward to the iron-containing impurities in the material collecting hopper 39 to prevent blockage of the discharge in the material collecting hopper 39. The insulator blanks from which the iron-containing impurities have been removed fall through the gap between the middle of the conical material collecting plate 32 and the material collecting hopper 39 to the upper middle part of the upper conical sieve plate 52. The filtering aperture of the filter holes of the upper conical sieve plate 52 is larger than that of the lower conical sieve plate 52. Through the filter holes on the upper conical sieve plate 52, the insulator blanks are screened for impurities according to the particle size requirements. The qualified insulator blanks pass through the lower conical sieve plate 52 and are screened again by the same principle. During this process, the single-chip microcomputer 2 starts the second motor 57 so that its output shaft drives the second rotating shaft 53 to rotate reversely. The second rotating shaft 53 drives the annular seat 541 to rotate synchronously. During the rotation of the annular seat 541, through the sliding extrusion guidance of its wave-shaped chute 542 and the synchronous rod 543, the synchronous rod 543 drives the corresponding conical sieve plate 52 to move vertically up and down reciprocally along the telescopic end of the L-shaped telescopic rod 51 (during this process, the guiding strip 553 slides adaptively with the adjacent guiding groove 552). Through the vertical up and down reciprocating movement of the conical sieve plate 52 (during the vertical up and down movement of the conical sieve plate 52, the rubber sealing ring 591 on its outer side is driven to slide adaptively in contact with the inner wall of the screening shell 1,The gap between the conical sieve plate 52 and the screening shell 1 is blocked by the rubber sealing ring 591 to prevent materials from falling through the gap. At the same time, the conical sieve plate 52 drives the arc-shaped sealing plate 58 to move vertically synchronously. During the vertical movement of the arc-shaped sealing plate 58, the outer arc surface of itself blocks the gap between the bottom of the conical sieve plate 52 and the adjacent sector-shaped discharge shell 13, so as to prevent materials from continuing to move downward to the lower end of the device through this gap when the materials are discharged through the corresponding sector-shaped discharge shell 13. The rubber sealing sheet 592 blocks the gap between the arc-shaped sealing plate 58 and the screening shell 1 by the same principle, preventing the materials above the conical sieve plate 52 from moving downward through this gap to the lower part of the device. Thus, during the vertical reciprocating movement of the conical sieve plate 52, the outer arc surface of the arc-shaped sealing plate 58 always blocks the leakage gap between the conical sieve plate 52 and the adjacent sector-shaped discharge shell 13), so that the conical sieve plate 52 can accelerate the screening speed of the insulator blanks on its upper side by jittering. During the vertical reciprocating movement of the conical sieve plate 52, the lowest vertical downward position and the highest vertical upward position of the conical sieve plate 52 are both within the vertical range of the discharge port of the adjacent sector-shaped discharge shell 13, so that the upper surface of the conical sieve plate 52 is always within the vertical material port range of the discharge port of the adjacent sector-shaped discharge shell 13, thus ensuring that during the vertical reciprocating movement of the conical sieve plate 52, the unqualified screened materials can be discharged through the adjacent sector-shaped discharge shell 13. During the rotation of the second shaft 53, through the sliding connection between the guiding groove 552 opened on itself and the guiding bar 553, the guiding bar 553 drives the corresponding anti-blocking stirring rod 551 to rotate reversely while the conical sieve plate 52 moves vertically. During the reverse rotation of the anti-blocking stirring rod 551, the upper surface of the corresponding conical sieve plate 52 is scraped and cleaned by its bottom to block materials, reducing the probability of blockage of the conical sieve plate 52 during the screening of insulator blanks. At the same time, the unqualified materials slide downward along the cone surface of the conical sieve plate 52 to the surrounding. During the reverse rotation of the anti-blocking stirring rod 551, the unqualified materials on the conical sieve plate 52 are conveyed to the outer edge through the arc surface of its stirring rod, so that the unqualified screened materials are discharged from the device through the corresponding sector-shaped discharge shell 13. The lower end of the second shaft 53 drives the discharge stirring rod 56 to rotate reversely, and by the same principle, the materials on the bottom wall of the screening shell 1 are discharged from the device through the lowermost sector-shaped discharge shell 13. During the screening of insulator blank impurities, the single-chip microcomputer 2 starts the induced draft fan 11, and the induced draft fan 11 operates, so that the air flow enters the dust collection box 8 from the screening shell 1 through the front trachea 7 and the front circulating trachea 9, and passes through the L-shaped filter plate 10 in the dust collection box 8 and enters the screening shell 1 again through the rear circulating trachea 9 and the rear trachea 7, thus realizing the recycling of the dust removal air flow. During the screening of insulator blanks, they are in a free-falling state. At this time, the insulator blanks are less affected by external forces, and are relatively scattered during the falling process under their own gravity. At this time, the circulating air flow can more conveniently and carefully carry the dust impurities in the insulator blanks against gravity to the dust collection box 8.Moreover, the circulating air flow has a relatively wide distribution range, which further improves the screening and impurity removal effect of the device on the dust impurities of the insulator blank by increasing the overall dust air flow impurity removal atmosphere of the insulator blank. The L-shaped filter plate 10 in the dust collection box 8 filters the screened dust impurities of the insulator blank carried by the circulating air flow and collects them into the drawer 12.

[0037] It should be noted that in the above embodiments, the single-chip microcomputer 2 can be MSP430, the electromagnetic ring 34 can be WAXU-100-52-40, the first motor 4 can be 130SZ01, the second motor 57 can be Y90S-2, and the induced draft fan 11 can be F4-72. The single-chip microcomputer 2 controls the electromagnetic ring 34, the first motor 4, the second motor 57, and the induced draft fan 11 to work using the commonly used methods in the prior art.

[0038] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied to other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A blank screening machine for insulator processing that can remove impurities, including a screening shell (1). Three vertically distributed fan-shaped discharge shells (13) penetrate through the inner wall of the screening shell (1). It is characterized in that: It also includes an iron removal mechanism (3) and a screening anti-blocking mechanism (5); Iron removal mechanism (3): It includes a conical feeding chute (31), a conical material collecting disc (32), a first rotating shaft (33), an electromagnetic ring (34), a spiral guide ring (35), a slag discharge pipe (38) and a material collecting hopper (39). The conical feeding chute (31) is arranged at the upper end of the inner wall of the screening shell (1) through a fixed rod. An electromagnetic ring (34) is arranged below the conical feeding chute (31). The middle of the conical feeding chute (31) is rotationally connected with a spiral guide ring (35) through a first rotating shaft (33). The upper side of the spiral guide ring (35) is in contact with the lower side of the electromagnetic ring (34). A conical material collecting disc (32) is arranged at the upper end of the inner wall of the screening shell (1). A slag discharge pipe (38) penetrates through the upper end of the inner wall of the screening shell (1). A material collecting hopper (39) is arranged at the upper end of the slag discharge pipe (38). The material collecting hopper (39) is cooperatively installed with the spiral guide ring (35); Screening anti-blocking mechanism (5): It is arranged inside the screening shell (1).

2. The blank screening machine for insulator processing capable of removing impurities according to claim 1, wherein: It also includes a single-chip microcomputer (2). The single-chip microcomputer (2) is located outside the screening shell (1). The input end of the single-chip microcomputer (2) is electrically connected to an external power supply. The output end of the single-chip microcomputer (2) is electrically connected to the input end of the electromagnetic ring (34).

3. The blank screening machine for insulator processing capable of removing impurities according to claim 1, characterized in that: The iron removal mechanism (3) also includes a linkage shaft (36) and a spiral feeding blade (37). The linkage shaft (36) is arranged at the lower end of the first rotating shaft (33). The lower end of the linkage shaft (36) is located inside the material collecting hopper (39) and is provided with a spiral feeding blade (37). The outer edge of the spiral feeding blade (37) is in sliding contact with the bottom inner wall of the material collecting hopper (39).

4. The blank screening machine for insulator processing capable of removing impurities according to claim 2, characterized in that: A first motor (4) is arranged on the upper side of the screening shell (1). The input end of the first motor (4) is electrically connected to the output end of the single-chip microcomputer (2). The output shaft of the first motor (4) is fixedly connected to the upper end of the first rotating shaft (33).

5. The blank screening machine for insulator processing capable of removing impurities according to claim 2, characterized in that: The screening anti-blocking mechanism (5) includes an L-shaped telescopic rod (51), a conical sieve plate (52), a second rotating shaft (53), a shaking assembly (54), an anti-blocking assembly (55), a discharging stirring rod (56) and a second motor (57). There are six L-shaped telescopic rods (51). Three horizontally distributed L-shaped telescopic rods (51) form a group. Each group of L-shaped telescopic rods (51) is arranged on the inner wall of the screening shell (1). A conical sieve plate (52) is arranged between the telescopic ends of each group of L-shaped telescopic rods (51). The bottom wall of the screening shell (1) is rotationally connected with a second rotating shaft (53) through a first bearing. A shaking assembly (54) and an anti-blocking assembly (55) are respectively arranged between the second rotating shaft (53) and the conical sieve plate (52). The discharging stirring rod (56) is arranged at the lower end of the second rotating shaft (53). A second motor (57) is arranged on the lower side of the screening shell (1). The input end of the second motor (57) is electrically connected to the output end of the single-chip microcomputer (2). The output shaft of the second motor (57) is fixedly connected to the lower end of the second rotating shaft (53).

6. The blank screening machine for insulator processing capable of removing impurities according to claim 5, characterized in that: The screening anti-blocking mechanism (5) further includes an arc-shaped sealing plate (58) and a sealing assembly (59). The sealing assembly (59) includes a rubber sealing ring (591) and a rubber sealing sheet (592). The arc-shaped sealing plates (58) are respectively arranged at the lower right end of the conical sieve plate (52). The arc-shaped sealing plates (58) are all cooperatively installed with the adjacent fan-shaped discharge shells (13). Rubber sealing sheets (592) are arranged on the outer arc surfaces of the arc-shaped sealing plates (58), and rubber sealing rings (591) are arranged on the outer arc surfaces of the conical sieve plates (52).

7. An insulator blank screening machine for impurity removal according to claim 5, characterized in that: The shaking assembly (54) includes an annular seat (541), a wave-shaped chute (542) and a synchronizing rod (543). There are two annular seats (541), and both of the two annular seats (541) are arranged on the outer side of the second rotating shaft (53). Wave-shaped chutes (542) are opened on the outer sides of the annular seats (541), and synchronizing rods (543) are slidably connected inside the wave-shaped chutes (542). The upper ends of the synchronizing rods (543) are fixedly connected to the lower sides of the adjacent conical sieve plates (52).

8. The blank screening machine for insulator processing capable of removing impurities according to claim 5, characterized in that: The anti-blocking assembly (55) includes anti-blocking stirring rods (551), guide grooves (552) and guide strips (553). The lower ends in the middle of the anti-blocking stirring rods (551) are rotatably connected to the middle circular holes of the conical sieve plates (52) through the second bearings. Guide strips (553) are arranged in the through holes opened in the middle of the anti-blocking stirring rods (551). Two vertically distributed guide grooves (552) are opened on the outer side of the second rotating shaft (53), and the guide strips (553) are all slidably connected to the adjacent guide grooves (552).

9. The blank screening machine for insulator processing capable of removing impurities according to claim 2, wherein: Two symmetrically distributed arc-shaped shells (6) are arranged on the outer side surface of the screening shell (1). Uniformly distributed air pipes (7) penetrate through the inner arc walls of the arc-shaped shells (6). One ends of the air pipes (7) close to the center of the screening shell (1) all penetrate through the wall body of the screening shell (1). A dust collection box (8) is placed on the left side of the screening shell (1). Circulation air pipes (9) penetrate through the front and rear walls of the dust collection box (8). The right ends of the circulation air pipes (9) are all communicated with the adjacent arc-shaped shells (6). An L-shaped filter plate (10) is arranged between the top wall and the rear wall of the dust collection box (8). The circulation air pipes (9) are cooperatively installed with the L-shaped filter plate (10). An air blower (11) is connected in series to the left end of the front circulation air pipe (9), and the input end of the air blower (11) is electrically connected to the output end of the single-chip microcomputer (2).

10. A blank screening machine for insulator processing capable of removing impurities according to claim 9, characterized in that: A drawer (12) is slidably connected between the left and right walls at the bottom inside the screening shell (1) through a slide rail.

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