CN111715511B

CN111715511B - A earth screening plant for porcelain insulator production and processing

Info

Publication number: CN111715511B
Application number: CN202010607799.6A
Authority: CN
Inventors: 许同
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2022-10-25
Anticipated expiration: 2040-06-29
Also published as: CN111715511A

Abstract

The invention relates to the technical field of porcelain insulator production and processing, and discloses an earth screening device for porcelain insulator production and processing, which comprises a placing cabinet, wherein a frame is symmetrically arranged at the upper end of the placing cabinet, a vibrating plate is connected with the bottom end of the inner side of the frame, a vibrating motor is arranged at the lower end of an internal vibrating plate of the placing cabinet, a collecting mechanism is arranged at one side, close to the placing cabinet, of the bottom end of the inner side of the frame, the collecting mechanism comprises a collecting box, the top of the collecting box is connected with a surrounding plate, a filter screen is arranged on the inner side of the surrounding plate at the upper end of the collecting box, a through hole is formed in the surface of the upper end of the inner wall of the collecting box, and a telescopic spring is arranged at the bottom end of the inner part of the through hole. This an earth screening plant for porcelain insulator production and processing, it is more sanitary, prevent that the dust from inhaling that operating personnel is internal, it is more convenient to operate, can satisfy different processing demands, and caking earth smashes the effect better, and does not need the manual work to smash, and is more laborsaving.

Description

A earth screening plant for porcelain insulator production and processing

Technical Field

The invention relates to the technical field of production and processing of porcelain insulators, in particular to a soil screening device for production and processing of porcelain insulators.

Background

The porcelain insulator is made of electrical ceramics, and comprises a steel cap, a porcelain piece, a steel foot and other parts, wherein the porcelain piece is a part for bearing insulation, the porcelain piece of the early porcelain insulator is siliceous porcelain, quartz, feldspar and clay are used as raw materials, the formed porcelain component comprises quartz, mullite, air holes and a glass phase, the quartz component is SiO2, the chemical property is stable, the mullite component is aluminosilicate, the heat resistance is good, the heat conductivity coefficient is small, the mechanical strength of the porcelain can be improved by adjusting the content of the sintered quartz and the internal crystalline phase structure, then the high-alumina porcelain appears, the difference between the raw materials and the siliceous porcelain is higher in alumina content (added with industrial alumina), the content of corundum (alumina) in the fired high-alumina porcelain can reach 30-45 percent or even higher, the particles are more uniform, and therefore, higher mechanical strength and better thermal stability and arc resistance are obtained.

The production process of the porcelain insulator can be divided into five parts, namely mud making, forming, glazing, firing, assembling and checking, and the mud is filtered through a screening device in the mud making process, so that impurity particles in the mud can be removed.

Present screening plant has some shortcomings when using, at first, can fly away in earth adds screening plant, and the staff inhales internal serious influence healthy, and is very unhygienic, and secondly, the earth of caking can not sieve, and needs the manual work to smash, and work efficiency is low, and in addition, inconvenient processing demand according to the difference changes the filter screen, and for this reason, we provide an earth screening plant for porcelain insulator production and processing.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the soil screening device for producing and processing the porcelain insulator, which has the advantages of sanitation, prevention of dust from being sucked into the body of an operator, convenience in operation, capability of meeting different processing requirements, good caking soil crushing effect, no need of manual crushing, labor saving and the like, and solves the problems that the traditional screening device is easy to scatter after soil is added, is very insanitary, caking soil cannot be screened, manual crushing is needed, the working efficiency is low, and the filter screen is inconvenient to replace according to different processing requirements.

Technical scheme

In order to realize the purposes of sanitation, prevention of dust from being sucked into the bodies of operators, convenient operation, capability of meeting different processing requirements, good crushing effect of caking soil, no need of manual crushing and labor saving, the invention provides the following technical scheme: the utility model provides an earth screening plant for porcelain insulator production and processing, is including placing the cabinet, the upper end symmetry of placing the cabinet is installed the frame, the inboard bottom of frame is connected with the vibration board, the vibrating motor is installed to the lower extreme of the internal vibration board of placing the cabinet, the inboard bottom of frame is provided with near one side of placing the cabinet and collects the mechanism, it includes the collecting box to collect the mechanism, the top of collecting box is connected with the bounding wall, the inboard of the upper end bounding wall of collecting box is provided with the filter screen, the through-hole has been seted up on the upper end surface of collecting box inner wall, the inside bottom of through-hole is provided with expanding spring, the support frame is installed in the one end outside of placing the cabinet, the top of support frame is run through and is provided with dustproof mud adding mechanism, dustproof mud adding mechanism includes connecting cylinder down, the upper end of connecting cylinder is provided with the connecting cylinder down, one side of connecting cylinder is connected with the cardboard on the upper end of connecting cylinder down, the inside rotation of connecting cylinder installs the closing plate down, be provided with reset spring between the one end of closing plate and the cardboard, the rear end collection mechanism's of frame top is provided with crushing mechanism, crushing mechanism includes electronic jar, the front end is provided with the telescopic link.

Preferably, dustproof mud adding mechanism still includes with the mud fill, advances the mud fill, the lower extreme that adds the mud fill is connected as an organic whole with the upper end of last connecting cylinder, and advances the upper end of mud fill and the lower extreme of connecting cylinder is connected as an organic whole down, the surface of connecting cylinder is connected with the internal surface fixed at the top of support frame down, it is located the top of vibration board one side to advance the mud fill.

Preferably, the clamping plate is L-shaped and fixed in an included angle formed between the lower connecting cylinder and the upper connecting cylinder, the sum of the widths of the upper connecting cylinder and the clamping plate is the same as the width of the lower connecting cylinder, the sealing plate is located at the top end inside the lower connecting cylinder, the upper end of the return spring is fixedly connected with the surface of the top end of the inner side of the clamping plate, the lower end of the return spring is fixedly connected with the sealing plate, a rotating shaft is arranged between the sealing plate and the lower connecting cylinder, the sealing plate is rotatably connected with the lower connecting cylinder through the rotating shaft, and the outer surface of the sealing plate is matched with the inner surface of the lower connecting cylinder.

Preferably, the collecting box is fixed at the bottom end of the frame, the upper end of the enclosing plate extends to the inner side of the frame, the rear end and the upper end of the enclosing plate are provided with openings, and the enclosing plate is located below one side of the vibrating plate.

Preferably, the inner side of the through hole at the lower end of the filter screen is provided with a positioning rod, the positioning rod is matched with the through hole, the filter screen is detachably mounted at the upper end of the collecting box through the positioning rod, and the filter screen is obliquely mounted at the upper end of the collecting box.

Preferably, the number of the telescopic springs is two, the number of the through holes is four, the two telescopic springs are located inside the front through hole, the outer surfaces of the upper ends of the telescopic springs are movably connected with the outer surface of the lower end of the positioning rod, and the upper end and the lower end of the collecting box are open.

Preferably, the electric cylinder is fixed at the rear end of the frame through a bolt, and the outer surface of the telescopic rod is movably connected with the inner surface of the frame.

Preferably, be fixed connection between telescopic link and the splint, the lower extreme surface of splint and the upper end surface sliding connection of filter screen, and the front end surface of splint and bounding wall inboard rear end surface swing joint.

Preferably, the upper end of the frame is provided with a cover plate, the cover plate is rotatably connected with the frame through a hinge, a bayonet is formed in the front end of the cover plate, the cover plate is clamped on the outer side of the mud feeding hopper through a buckle, and the vibration motor is mounted at the lower end of the vibration plate through a screw.

Preferably, a storage tank is arranged on one side of an internal vibrating plate of the frame, the outer surface of the lower end of the frame is fixedly connected with the outer surface of the upper end of the placing cabinet, and the front end and the rear end of the vibrating plate are slidably connected with the inner wall of the frame.

Advantageous effects

Compared with the prior art, the invention provides a soil screening device for production and processing of porcelain insulators, which has the following beneficial effects:

1. this an earth screening plant for porcelain insulator production and processing, the connecting cylinder is installed at the top of support frame inboardly down, it is inside to add the connecting cylinder with earth from adding the mud bucket, the closing plate can push down under the effect of earth gravity, the one end that enables the closing plate overturns under the effect of rotation axis, and then make earth fall on the surface of vibration board from lower connecting cylinder and mud bucket, earth on the surface of sealing plate falls into the reset spring pull-up closing plate of inside back cardboard lower extreme of connecting cylinder down completely, it is in horizontal position to enable the closing plate to reset, can be sealed with lower connecting cylinder through the closing plate, and make the bayonet socket card outside advancing the mud bucket through hinge upset apron, can cover the upper end of apron at the frame, avoid light earth to float from connecting cylinder and frame upper end down, it is more sanitary, prevent that the dust from inhaling operating personnel is internal, in addition, the closing plate does not need artifical pushing down or resetting, the operation is more convenient.

2. This an earth screening plant for porcelain insulator production and processing can make the filter screen fix in the upper end of collecting box through the inside of locating lever insertion through-hole, and the installation of filter screen is more convenient with the dismantlement, can sieve earth through the filter screen and filter, and earth after the screening falls down from the collecting box and collects, can satisfy different processing demands through changing different filter screens.

3. This an earth screening plant for porcelain insulator production and processing, can drive the telescopic link through electronic jar and stretch or shrink, and then make splint remove on the surface of filter screen, can gather the earth caking on filter screen surface when splint remove, can press from both sides the earth of caking garrulous when splint laminating bounding wall, it is more even to make the earth texture, then the telescopic link drives the splint shrink, its front end is by expanding spring jack-up after the filter screen surface loses pressure, can make the upper end slope of filter screen, the caking can roll the place ahead of splint, the telescopic link can drive splint extrude once more to the non-kibbling caking, crushing effect is better, and do not need artifical the smashing, it is more laborsaving.

Drawings

FIG. 1 is a first general structural diagram of the present invention;

FIG. 2 is a second overall view of the present invention;

FIG. 3 is a cut-away schematic view of the dustproof mud adding mechanism of the present invention;

FIG. 4 is a schematic view of a partial structure of the dustproof mud adding mechanism of the present invention;

FIG. 5 is a side cutaway schematic view of the shredder mechanism, collection mechanism of the present invention;

FIG. 6 is a schematic view of the collection mechanism of the present invention;

fig. 7 is an exploded view of the collection mechanism of the present invention.

In the figure: 1. a placing cabinet; 2. a frame; 3. a vibrating plate; 4. a crushing mechanism; 41. an electric cylinder; 42. a telescopic rod; 43. a splint; 5. a support frame; 6. a dustproof mud adding mechanism; 61. a lower connecting cylinder; 62. an upper connecting cylinder; 63. clamping a plate; 64. a mud bucket is added; 65. a mud feeding hopper; 66. a sealing plate; 67. a return spring; 68. a rotating shaft; 7. a storage tank; 8. a collection mechanism; 81. a collection box; 82. enclosing plates; 83. a filter screen; 84. positioning a rod; 85. a through hole; 86. a tension spring; 9. a vibration motor; 10. and (7) a cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-7, an earth screening device for porcelain insulator production and processing includes a placement cabinet 1, a frame 2 is symmetrically installed at the upper end of the placement cabinet 1, a vibration plate 3 is connected to the bottom end of the inner side of the frame 2, a vibration motor 9 is installed at the lower end of the inner vibration plate 3 of the placement cabinet 1, a collection mechanism 8 is arranged at the bottom end of the inner side of the frame 2 close to one side of the placement cabinet 1, the collection mechanism 8 includes a collection box 81, the top of the collection box 81 is connected with a surrounding plate 82, a filter screen 83 is arranged inside the surrounding plate 82 at the upper end of the collection box 81, a through hole 85 is formed in the upper end surface of the inner wall of the collection box 81, a telescopic spring 86 is arranged at the bottom end of the through hole 85, a support frame 5 is installed at the outer side of one end of the placement cabinet 1, a dustproof mud adding mechanism 6 is arranged at the top of the support frame 5 in a penetrating manner, the dustproof mud adding mechanism 6 includes a lower connection cylinder 61, an upper connection cylinder 62 is arranged at the upper end of the lower connection cylinder 61, one side of the upper end of the upper connection cylinder 62 is connected with a clamping plate 63, a sealing plate 63 is rotatably installed inside the lower connection cylinder 61, a sealing plate 66, a return spring 67 is arranged between one end of the sealing plate 66 and the front end of the front clamping plate 42, a crushing cylinder 42 which an electric cylinder 41 is arranged above the electric cylinder 41.

The upper end of frame 2 is provided with apron 10, and apron 10 rotates with frame 2 through the hinge to be connected, and the bayonet socket has been seted up to the front end of apron 10, and apron 10 passes through the buckle card in the outside of advancing mud bucket 65, and vibrating motor 9 passes through the lower extreme of mounting screw at vibration board 3.

One side of the internal vibrating plate 3 of the frame 2 is provided with a storage tank 7, the outer surface of the lower end of the frame 2 is fixedly connected with the outer surface of the upper end of the placing cabinet 1, and the front end and the rear end of the vibrating plate 3 are connected with the inner wall of the frame 2 in a sliding manner.

In this embodiment, it is inboard at the top of support frame 5 to prevent dust with mud mechanism 6, the earth of adding falls on vibration board 3's surface from preventing dust with mud mechanism 6, it makes the bayonet socket card in the dustproof 6 outsides that add mud mechanism to overturn apron 10 through the hinge, can cover apron 10 in the upper end of frame 2, avoid light earth to fly away from the frame 2 upper end, drive vibration board 3 vibration through vibrating motor 9, make the earth on vibration board 3 surfaces fall inside collection mechanism 8, can carry out a lot of breakage with the earth of caking through rubbing crusher mechanism 4, the manual work can not kibbling caking take out many times and put in hold up tank 7.

Referring to fig. 3-4, the dustproof mud adding mechanism 6 further includes a mud adding bucket 64 and a mud feeding bucket 65, the lower end of the mud adding bucket 64 is integrally connected with the upper end of the upper connecting cylinder 62, the upper end of the mud feeding bucket 65 is integrally connected with the lower end of the lower connecting cylinder 61, the outer surface of the lower connecting cylinder 61 is fixedly connected with the inner surface of the top of the supporting frame 5, and the mud feeding bucket 65 is located above one side of the vibrating plate 3.

The clamping plate 63 is L-shaped, the clamping plate 63 is fixed in an included angle formed between the lower connecting cylinder 61 and the upper connecting cylinder 62, the sum of the widths of the upper connecting cylinder 62 and the clamping plate 63 is equal to the width of the lower connecting cylinder 61, the sealing plate 66 is located at the top end of the inner portion of the lower connecting cylinder 61, the upper end of the return spring 67 is fixedly connected with the surface of the top end of the inner side of the clamping plate 63, the lower end of the return spring 67 is fixedly connected with the sealing plate 66, a rotating shaft 68 is arranged between the sealing plate 66 and the lower connecting cylinder 61, the sealing plate 66 is rotatably connected with the lower connecting cylinder 61 through the rotating shaft 68, and the outer surface of the sealing plate 66 is matched with the inner surface of the lower connecting cylinder 61.

In this embodiment, add earth from adding mud bucket 64 inside last connecting cylinder 62, the closing plate 66 can be pushed down under the effect of earth gravity, the one end that enables closing plate 66 overturns under the effect of rotation axis 68, and then make earth fall on the surface of vibration board 3 from connecting cylinder 61 and mud bucket 65 down, earth on closing plate 66 surface falls into the reset spring 67 of cardboard 63 lower extreme after connecting cylinder 61 is inside down and pulls up closing plate 66 completely, it is in horizontal position to enable the closing plate 66 to reset, connecting cylinder 61 seals down through closing plate 66, avoid light earth to float from connecting cylinder 61 upper end down, it is more sanitary.

Referring to fig. 5 to 7, the collecting box 81 is fixed at the bottom end of the frame 2, the upper end of the enclosing plate 82 extends to the inner side of the frame 2, the rear end and the upper end of the enclosing plate 82 are open, and the enclosing plate 82 is located below one side of the vibrating plate 3.

A positioning rod 84 is arranged on the inner side of a through hole 85 at the lower end of the filter screen 83, the positioning rod 84 is matched with the through hole 85, the filter screen 83 is detachably arranged at the upper end of the collecting box 81 through the positioning rod 84, and the filter screen 83 is obliquely arranged at the upper end of the collecting box 81.

The number of the telescopic springs 86 is two, the number of the through holes 85 is four, the two telescopic springs 86 are located inside the front through hole 85, the outer surface of the upper end of each telescopic spring 86 is movably connected with the outer surface of the lower end of the corresponding positioning rod 84, and the upper end and the lower end of the collecting box 81 are both open.

In this embodiment, insert the inside of through-hole 85 through locating lever 84 and can make filter screen 83 fix the upper end at collecting box 81, filter screen 83's installation is more convenient with the dismantlement, can sieve earth through filter screen 83 and filter, earth after the screening falls from collecting box 81 and collects, can satisfy different processing demands through changing different filter screens 83, can make filter screen 83's upper end slope through expanding spring 86, can smash it with bounding wall 82 extrusion through the caking.

Referring to fig. 5, an electric cylinder 41 is fixed to the rear end of the frame 2 by bolts, and the outer surface of the telescopic rod 42 is movably connected to the inner surface of the frame 2.

The telescopic rod 42 is fixedly connected with the clamping plate 43, the outer surface of the lower end of the clamping plate 43 is in sliding connection with the outer surface of the upper end of the filter screen 83, and the outer surface of the front end of the clamping plate 43 is movably connected with the outer surface of the inner rear end of the coaming 82.

In this embodiment, it is tensile or shrink to drive telescopic link 42 through electronic jar 41, and then make splint 43 remove on the surface of filter screen 83, can gather the earth caking on filter screen 83 surface when splint 43 removes, can press from both sides the earth of caking garrulous when splint 43 laminates bounding wall 82, it is more even to make the earth texture, then telescopic link 42 drives splint 43 shrink, its front end is by expanding spring 86 jack-up after filter screen 83 surface loses pressure, can make the upper end slope of filter screen 83, the caking can roll the place ahead of splint 43, telescopic link 42 can drive splint 43 and extrude once more to the non-kibbling caking, crushing effect is better.

When the vibrating plate is in operation, the lower connecting cylinder 61 is arranged on the inner side of the top of the support frame 5, soil is added into the upper connecting cylinder 62 from the soil adding hopper 64, the sealing plate 66 is pressed downwards under the action of the gravity of the soil, one end of the sealing plate 66 can rotate under the action of the rotating shaft 68, the soil is further enabled to fall on the surface of the vibrating plate 3 from the lower connecting cylinder 61 and the soil inlet hopper 65, the soil on the surface of the sealing plate 66 completely falls into the lower connecting cylinder 61, the return spring 67 at the lower end of the rear clamping plate 63 pulls the sealing plate 66, the sealing plate 66 can be reset to be in a horizontal position, the lower connecting cylinder 61 can be sealed through the sealing plate 66, the lower connecting cylinder 61 is covered on the upper end of the frame 2 through the hinge overturning cover plate 10, the filter screen 83 is fixed on the upper end of the collecting box 81 through the positioning rod 84 inserted into the through hole 85, and the vibrating plate 3 is driven to vibrate by the vibrating motor 9, make the earth on vibration board 3 surface fall on the surface of filter screen 83, sieve earth through filter screen 83 and filter, earth after the screening falls down from collecting box 81 and collects, it is tensile to drive telescopic link 42 through electric cylinder 41, and then make splint 43 move on the surface of filter screen 83, gather the earth caking on filter screen 83 surface when splint 43 removes, the earth that will agglomerate when splint 43 laminating bounding wall 82 presss from both sides the bits, make the earth texture more even, then telescopic link 42 drives splint 43 shrink, its front end is by expanding spring 86 jack-up after filter screen 83 surface loses pressure, can make the upper end slope of filter screen 83, the caking can roll the place ahead of splint 43, telescopic link 42 can drive splint 43 and extrude the not kibbling caking once more, the manual work is taken out the caking that can not kibbling many times and is put in hold up tank 7.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An earth screening device for producing and processing porcelain insulators comprises a placing cabinet (1), wherein a frame (2) is symmetrically installed at the upper end of the placing cabinet (1), a vibrating plate (3) is connected to the bottom end of the inner side of the frame (2), and a vibrating motor (9) is installed at the lower end of the vibrating plate (3) inside the placing cabinet (1); a supporting frame (5) is installed on the outer side of one end of the placing cabinet (1), a dustproof mud adding mechanism (6) is arranged at the top of the supporting frame (5) in a penetrating mode, the dustproof mud adding mechanism (6) comprises a lower connecting cylinder (61), an upper connecting cylinder (62) is arranged at the upper end of the lower connecting cylinder (61), a clamping plate (63) is connected to one side of the upper connecting cylinder (62) at the upper end of the lower connecting cylinder (61), a sealing plate (66) is rotatably installed inside the lower connecting cylinder (61), and a reset spring (67) is arranged between one end of the sealing plate (66) and the clamping plate (63);

a collecting mechanism (8) is arranged on one side, close to the placing cabinet (1), of the bottom end of the inner side of the framework (2), the collecting mechanism (8) comprises a collecting box (81), the top of the collecting box (81) is connected with a surrounding plate (82), and a filter screen (83) is arranged on the inner side of the surrounding plate (82) at the upper end of the collecting box (81);

a crushing mechanism (4) is arranged above the rear end collecting mechanism (8) of the framework (2), the crushing mechanism (4) comprises an electric cylinder (41), the front end of the electric cylinder (41) penetrates through the framework (2) to be provided with an expansion rod (42), and a clamping plate (43) is arranged above a front end filter screen (83) of the expansion rod (42);

the method is characterized in that:

the upper end surface of the inner wall of the collecting box (81) is provided with four through holes (85), the bottom ends of the two through holes (85) are provided with two telescopic springs (86), and the two telescopic springs (86) are positioned in the front through holes (85);

a positioning rod (84) is arranged at the position, corresponding to the through hole (85), of the lower end of the filter screen (83), the positioning rod (84) is matched with the through hole (85), the filter screen (83) is detachably mounted at the upper end of the collection box (81) through the positioning rod (84), the outer surface of the upper end of the extension spring (86) is movably connected with the outer surface of the lower end of the positioning rod (84), and the filter screen (83) is obliquely mounted at the upper end of the collection box (81);

the electric cylinder (41) drives the telescopic rod (42) to stretch, so that the clamping plate (43) moves on the surface of the filter screen (83), soil agglomerates on the surface of the filter screen (83) are gathered when the clamping plate (43) moves, and the agglomerated soil is crushed when the clamping plate (43) is attached to the enclosing plate (82); then the telescopic rod (42) drives the clamping plate (43) to contract, after the surface of the filter screen (83) loses pressure, the front part of the filter screen (83) is jacked up by the telescopic spring (86), the upper end of the filter screen (83) is inclined, the caking can roll to the front of the clamping plate (43), and the telescopic rod (42) can drive the clamping plate (43) to extrude the non-crushed caking again.

2. The earth screening device for porcelain insulator production and processing according to claim 1, which is characterized in that: dustproof mud mechanism (6) still include with mud bucket (64), advance mud bucket (65), the lower extreme of adding mud bucket (64) and the upper end of last connecting cylinder (62) are connected as an organic whole, and the upper end of advancing mud bucket (65) and the lower extreme of lower connecting cylinder (61) are connected as an organic whole, the surface of lower connecting cylinder (61) is connected with the internal surface fixed at the top of support frame (5), it is located the top of vibration board (3) one side to advance mud bucket (65).

3. The earth screening device for porcelain insulator production and processing according to claim 1, which is characterized in that: the clamping plate (63) is L-shaped, the clamping plate (63) is fixed in an included angle formed between the lower connecting cylinder (61) and the upper connecting cylinder (62), the sum of the widths of the upper connecting cylinder (62) and the clamping plate (63) is the same as the width of the lower connecting cylinder (61), the sealing plate (66) is located at the top end of the inner portion of the lower connecting cylinder (61), the upper end of the return spring (67) is fixedly connected with the surface of the top end of the inner side of the clamping plate (63), the lower end of the return spring (67) is fixedly connected with the sealing plate (66), a rotating shaft (68) is arranged between the sealing plate (66) and the lower connecting cylinder (61), the sealing plate (66) is rotatably connected with the lower connecting cylinder (61) through the rotating shaft (68), and the outer surface of the sealing plate (66) is matched with the inner surface of the lower connecting cylinder (61).

4. The earth screening device for porcelain insulator production and processing according to claim 1, which is characterized in that: the collecting box (81) is fixed at the bottom end of the frame (2), the upper end of the enclosing plate (82) extends to the inner side of the frame (2), the rear end and the upper end of the enclosing plate (82) are provided with openings, and the enclosing plate (82) is located below one side of the vibrating plate (3).

5. The earth screening device for porcelain insulator production and processing according to claim 1, which is characterized in that: the upper end and the lower end of the collecting box (81) are both open.

6. The earth screening device for porcelain insulator production and processing according to claim 1, which is characterized in that: the electric cylinder (41) is fixed at the rear end of the frame (2) through a bolt, and the outer surface of the telescopic rod (42) is movably connected with the inner surface of the frame (2).

7. The earth screening device for porcelain insulator production and processing according to claim 1, which is characterized in that: be fixed connection between telescopic link (42) and splint (43), the lower extreme surface of splint (43) and the upper end surface sliding connection of filter screen (83), and the front end surface of splint (43) and bounding wall (82) inboard rear end surface swing joint.

8. The earth screening device for porcelain insulator production and processing according to claim 1 or 2, characterized in that: the improved mud bucket vibrating plate is characterized in that a cover plate (10) is arranged at the upper end of the frame (2), the cover plate (10) is rotatably connected with the frame (2) through a hinge, a bayonet is formed in the front end of the cover plate (10), the cover plate (10) is clamped on the outer side of the mud bucket (65) through the bayonet, and the vibrating motor (9) is installed at the lower end of the vibrating plate (3) through a screw.

9. The earth screening device for porcelain insulator production and processing according to claim 1, which is characterized in that: one side of an internal vibrating plate (3) of the frame (2) is provided with a storage tank (7), the outer surface of the lower end of the frame (2) is fixedly connected with the outer surface of the upper end of the placing cabinet (1), and the front end and the rear end of the vibrating plate (3) are slidably connected with the inner wall of the frame (2).