CN212443082U

CN212443082U - Tectorial membrane sand sieving mechanism

Info

Publication number: CN212443082U
Application number: CN202021146678.8U
Authority: CN
Inventors: 王建明
Original assignee: Danyang Danshui Casting New Material Co ltd
Current assignee: Danyang Danshui Casting New Material Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-02-02
Anticipated expiration: 2030-06-18

Abstract

The utility model belongs to the technical field of the tectorial membrane sand reprocessing, especially, be a tectorial membrane sand screening plant, the power distribution box comprises a box body, the top fixedly connected with feed inlet of box, the top of box is located one side of feed inlet and passes through safety cover fixedly connected with motor. The utility model discloses a set up first screening dish and second screening dish in the box, carry out the meticulous screening of secondary to the grit, improve grit product quality, it rotates to drive the worm gear through starter motor, it drives the cam rotation to recycle the bull stick from the driving wheel through worm gear surface meshing, thereby make cam reciprocating motion support and press the lifter, make the first screening dish of lifter contact produce vibrations, thereby prevent that hole from blockking up on the first screening dish, it pushes away the push pedal through the cylinder makes on the first screening dish large granule impurity push away outside the box, conveniently clear up impurity on the first screening dish, effectively prevent through this structure that screening dish hole blocking condition from taking place, production efficiency is improved.

Description

Tectorial membrane sand sieving mechanism

Technical Field

The utility model relates to a tectorial membrane sand reprocessing technical field specifically is a tectorial membrane sand sieving mechanism.

Background

The precoated sand is molding sand or core sand coated with a layer of solid resin film on the surface of sand before molding, and has two precoating processes of cold method and hot method, wherein the cold method uses ethanol to dissolve resin, and urotropine is added in the sand mixing process to ensure that the two are coated on the surface of the sand and the ethanol is volatilized to obtain the precoated sand; the hot method is to preheat sand to a certain temperature, add resin to melt the sand, stir the sand to coat the resin on the surface of the sand grains, and the sand is used for steel casting and iron casting. However, some enterprises regenerate the waste sand into the burnt sand by crushing and through a thermal method, and mix the burnt sand with a small amount of raw sand and various additives to perform precoated sand regeneration, but in the production process, most of the waste sand is not screened and directly put into use, and some of the larger-particle waste sand is not screened, which may affect the operation of workers, cause the quality of the manufactured product to be reduced, and the cost is increased virtually, which is not favorable for enterprise production to sum up the summary and has the following problems:

1. most sieving mechanism is when using, and the screening dish hole is blockked up easily to great granule in the grit, and just great granule is unchangeable clears up, leads to work efficiency low, and the inconvenience is carefully screened the grit, influences the product quality of making.

2. The screening dish produces vibrations at the screening process, and long-time vibrations cause the harm to the device body, reduce screening plant life.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a precoated sand screening device, which solves the problems that larger particles in sand are easy to block holes of a screening disc and are cleaned without changing; the problem of inconvenient shock attenuation to the screening dish.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a precoated sand screening device comprises a box body, wherein a feed inlet is fixedly connected to the top of the box body, a motor is fixedly connected to one side, located at the feed inlet, of the top of the box body through a protective cover, the output end of the motor penetrates through the box body and extends to an internal fixedly connected turbine worm, a driven wheel is meshed on the surface of the turbine worm, a rotating rod is fixedly connected to the axis of the driven wheel, one end of the rotating rod is rotatably connected to the inner wall of the box body through a bearing, a cam is fixedly connected to the other end of the rotating rod, a lifting rod is attached to the surface of the cam, a compression spring is slidably connected to the surface of the lifting rod, one end of the compression spring is fixedly connected to an L-shaped fixing plate, one end of the lifting rod penetrates through the L-shaped fixing plate and is movably connected with a first screening disc, a groove is formed in, one end of the fixed spring is fixedly connected with the inside of the groove, the bottom surface of the first screening disc is rotatably connected with supporting rods through pin shafts in the fixed blocks, the surfaces of the two supporting rods are fixedly connected with extension springs, the end parts of the supporting rods are rotatably connected with pulleys through roller shafts, the surfaces of the pulleys are slidably connected with the inside of the groove, the bottom surface of the first screening disc is rotatably connected with a connecting rod through the pin shafts in the fixed blocks, one end of the connecting rod is connected with a second screening disc through bolt threads, the outer wall of the box body is fixedly connected with an air cylinder through a supporting plate, the outer wall of the box body is fixedly connected with an impurity discharge port, the bottom surface of the box body is fixedly connected with a T-shaped discharge port, the surface of the T-shaped discharge port is provided with a valve, the bottom of the box body is fixedly connected with, the inner wall fixedly connected with spliced pole of base, the surperficial sliding connection of spliced pole has extrusion spring.

As an optimal technical scheme of the utility model, the tip of turbine worm is rotated through the bearing and is connected with L type fixed plate, the tip fixed connection of L type fixed plate is on the inner wall of box.

As a preferred technical scheme of the utility model, the bottom surface of first screening dish is located one side fixedly connected with elastic sealing strip of connecting rod, elastic sealing strip's one end fixed connection is on the inner wall of box.

As an optimal technical scheme of the utility model, the hole has all been seted up on the surface of first screening dish and second screening dish, and the hole is the surface of equidistant distribution at first screening dish and second screening dish.

As a preferred technical scheme of the utility model, the inner wall that runs through the box of cylinder extends to inside fixedly connected with push pedal, a side surface and the laminating of first screening dish of push pedal.

As an optimized technical scheme of the utility model, one side inner wall sliding connection of box has the picture peg, the fixed surface of picture peg connects the handle.

As a preferred technical scheme of the utility model, the one end fixed connection support column of extrusion spring, the other end fixed connection base of extrusion spring, the surperficial sliding connection support column of spliced pole.

(III) advantageous effects

Compared with the prior art, the utility model provides a tectorial membrane sand sieving mechanism possesses following beneficial effect:

1. this tectorial membrane sand sieving mechanism, through set up first screening dish and second screening dish in the box, carry out the meticulous screening of secondary to the grit, improve grit output quality, it rotates to drive the worm gear through starter motor, it drives the cam rotation to recycle the bull stick through worm gear surface meshing from the driving wheel, thereby make cam reciprocating motion support and press the lifter, make the first screening dish of lifter contact produce vibrations, thereby prevent that first screening dish from going up the hole jam, it pushes away the push pedal through the cylinder makes on the first screening dish large granule impurity push away outside the box, conveniently clear up the impurity on the first screening dish, effectively prevent through this structure that screening dish from blockking up the hole condition and taking place, the production efficiency is improved, increase grit output quality.

2. This tectorial membrane sand sieving mechanism through first screening dish surface connection fixed spring, and first screening dish bottom is connected branch and is utilized extension spring elasticity resilience to carry out the shock attenuation to first screening dish to make first screening dish not direct contact box, effectively reduce vibrations to the damage of box, further shock attenuation to the box through extrusion spring, the protection box receives the impact damage, has improved the device's life, reduction in production cost.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the area A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the area B of FIG. 1 according to the present invention;

FIG. 4 is a top view of the driven wheel of the present invention

Fig. 5 is a left side sectional view of the box body of the present invention.

In the figure: 1. a box body; 2. a feed inlet; 3. a motor; 4. a worm gear; 5. an L-shaped fixing plate; 6. a driven wheel; 7. a rotating rod; 8. a cam; 9. a lifting rod; 10. a compression spring; 11. a first screening pan; 12. a groove; 13. fixing the spring; 14. a strut; 15. an extension spring; 16. a pulley; 17. an elastic sealing strip; 18. a connecting rod; 19. a second screening pan; 20. a cylinder; 21. pushing the plate; 22. an impurity discharge hole; 23. inserting plates; 24. a T-shaped discharge port; 25. a valve; 26. a support pillar; 27. a base; 28. connecting columns; 29. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a precoated sand screening device comprises a box body 1, a feed inlet 2 is fixedly connected to the top of the box body 1, a motor 3 is fixedly connected to one side, located at the feed inlet 2, of the top of the box body 1 through a protective cover, the output end of the motor 3 penetrates through the box body 1 and extends to the inside of the box body to be fixedly connected with a worm gear 4, a driven wheel 6 is meshed to the surface of the worm gear 4, a rotating rod 7 is fixedly connected to the axis of the driven wheel 6, one end of the rotating rod 7 is rotatably connected to the inner wall of the box body 1 through a bearing, a cam 8 is fixedly connected to the other end of the rotating rod 7, a lifting rod 9 is attached to the surface of the cam 8, a compression spring 10 is slidably connected to the surface of the lifting rod 9, one end of the compression spring 10 is fixedly connected to an L-shaped fixing plate 5, one end of the lifting rod 9 penetrates through the L-shaped fixing plate, one end of a fixed spring 13 is fixedly connected with the inside of the groove 12, the bottom surface of the first screening disc 11 is rotatably connected with a support rod 14 through a pin shaft in a fixed block, the surfaces of the two support rods 14 are fixedly connected with an extension spring 15, the end part of the support rod 14 is rotatably connected with a pulley 16 through a roller shaft, the surface of the pulley 16 is slidably connected with the inside of the groove 12, the bottom surface of the first screening disc 11 is rotatably connected with a connecting rod 18 through a pin shaft in the fixed block, one end of the connecting rod 18 is connected with a second screening disc 19 through a bolt and a thread, the outer wall of the box body 1 is fixedly connected with an air cylinder 20 through a support plate, the outer wall of the box body 1 is fixedly connected with an impurity discharge port 22, the bottom surface of the box body 1 is fixedly connected with a T-shaped discharge port 24, the surface, the surface of the supporting column 26 is connected with a base 27 in a sliding manner, the inner wall of the base 27 is fixedly connected with a connecting column 28, and the surface of the connecting column 28 is connected with an extrusion spring 29 in a sliding manner.

In the embodiment, a first screening disc 11 and a second screening disc 19 are arranged in a box body 1, sand is finely screened for the second time, the quality of the sand is improved, a worm gear 4 is driven to rotate by a starting motor 3, a driven wheel 6 is meshed with the surface of the worm gear 4, a rotating rod 7 is used for driving a cam 8 to rotate, so that the cam 8 reciprocates to press a lifting rod 9, the lifting rod 9 is made to contact with the first screening disc 11 to generate vibration, holes in the first screening disc 11 are prevented from being blocked, a push plate 21 is pushed by an air cylinder 20 to push large-particle impurities on the first screening disc 11 out of the box body 1, the impurities on the first screening disc 11 are conveniently cleaned, the blocking situation of the holes in the screening discs is effectively prevented through the structure, the production efficiency is improved, and the quality of the sand is improved; through 11 surface connection fixed spring 13 of first screening dish, first screening dish 11 bottom is connected branch 14 and is utilized extension spring 15 elasticity resilience to carry out the shock attenuation to first screening dish 11 to make first screening dish 11 not direct contact box 1, effectively reduce vibrations to the damage of box 1, further shock attenuation to box 1 through extrusion spring 29, protection box 1 receives the impact damage, has improved the device's life, reduction in production cost.

Specifically, the end of the worm gear 4 is rotatably connected with an L-shaped fixing plate 5 through a bearing, and the end of the L-shaped fixing plate 5 is fixedly connected to the inner wall of the box body 1.

In this embodiment, through the setting of L type fixed plate 5, prevent that the grit in the box 1 from getting into in the vibrator, avoid causing the trouble to take place.

Specifically, the bottom surface of the first screening disk 11 is located on one side of the connecting rod 18 and is fixedly connected with an elastic sealing strip 17, and one end of the elastic sealing strip 17 is fixedly connected to the inner wall of the box body 1.

In the embodiment, the elastic sealing strip 17 is arranged to facilitate sealing of the joint of the first screening disc 11 and the groove 12, so that sand is prevented from entering, and the elastic sealing strip 17 can be deformed and stretched.

Specifically, holes are formed in the surfaces of the first screening tray 11 and the second screening tray 19 and are distributed on the surfaces of the first screening tray 11 and the second screening tray 19 at equal intervals.

In this embodiment, the sand is finely screened by the first screening tray 11 and the second screening tray 19, so that the quality of the product is improved, and the sand is conveniently screened and filtered through the holes.

Specifically, the inner wall of the cylinder 20 penetrating through the box body 1 extends to the inside and is fixedly connected with a push plate 21, and one side surface of the push plate 21 is attached to the first screening disk 11.

In this embodiment, large-particle impurities on the first screening disk 11 are cleaned by the push plate 21 and are discharged from the impurity discharge port 22 outside the box body 1.

Specifically, the inner wall of one side of the box body 1 is connected with an inserting plate 23 in a sliding mode, and the surface of the inserting plate 23 is fixedly connected with a handle.

In this embodiment, the box 1 is sealed by the insertion plate 23, so that sand is prevented from flowing away from the impurity discharge port 22 during the screening process.

Specifically, one end of the pressing spring 29 is fixedly connected with the supporting column 26, the other end of the pressing spring 29 is fixedly connected with the base 27, and the surface of the connecting column 28 is slidably connected with the supporting column 26.

In this embodiment, through the setting through extrusion spring 29, further shock attenuation buffering to box 1, protect box 1, improve life, the stability of reinforcing structure.

The utility model discloses a theory of operation and use flow: the sand is poured into the box body 1 in the feeding hole 2, the motor 3 is started, so that the worm gear 4 is driven to rotate, the driven wheel 6 is connected with the surface of the worm gear 4, so that the driven wheel 6 rotates, the rotating rod 7 is connected with the inside of the driven wheel 6, the cam 8 is connected with the end part of the rotating rod 7, so that the cam 8 rotates, the lifting rod 9 is knocked through the rotation of the cam 8, so that the lifting rod 9 has downward acting force, the compression spring 10 is connected with the surface of the lifting rod 9, the elastic rebounding is carried out through the compression spring 10, the lifting rod 9 is reset, one end of the lifting rod 9 is contacted with the first screening disc 11, so that the first screening disc 11 is knocked to generate vibration, the groove 12 is formed in the inner wall of the box body 1, the fixing spring 13 is connected with the surface of the first screening disc 11, the first screening disc 11 is fixedly pulled, and the supporting rod, the surface of a support rod 14 is connected with an extension spring 15 for elastic stretching, a pulley 16 slides in a groove 12, so that elastic shock absorption is carried out on a first screening plate 11, the opening of the groove 12 is sealed through an elastic sealing strip 17, sand is prevented from entering, the bottom of the first screening plate 11 is connected with a connecting rod 18, the bottom of the first screening plate 11 is connected with a second screening plate 19 through the connecting rod 18, so that the sand is further finely screened, an air cylinder 20 is connected with the outer wall of a box body 1, a push plate 21 at one end of the air cylinder 20 is driven through a starting air cylinder 20, large particles on the surface of the first screening plate 11 are cleaned, holes on the surface of the first screening plate 11 are prevented from being blocked, the box body 1 is conveniently sealed through opening an inserting plate 23 connected with the inner wall of the box body 1, an impurity discharge hole 22 is connected with the outer wall of the box body 1, large particles are conveniently discharged, when the large particles need to, through box 1 bottom joint support post 26, through support post 26 surface connection base 27, through base 27 inner wall connection spliced pole 28, through spliced pole 28 surface connection extrusion spring 29, thereby make support post 26 slide about spliced pole 28 surface, utilize extrusion spring 29 elasticity to carry out further shock attenuation to box 1, make the structure more stable, improve the device's life, connect T type discharge gate 24 through box 1 bottom, make things convenient for the grit to slide with higher speed, through T type discharge gate 24 surface valve 25, control the grit velocity of flow, and then carry out recovery processing to the product grit.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tectorial membrane sand screening plant, includes box (1), its characterized in that: the top fixedly connected with feed inlet (2) of box (1), the top of box (1) is located one side of feed inlet (2) and passes through safety cover fixedly connected with motor (3), the output of motor (3) runs through box (1) and extends to inside fixedly connected with worm gear (4), the surface meshing of worm gear (4) has from driving wheel (6), axle center department fixedly connected with bull stick (7) from driving wheel (6), the one end of bull stick (7) is passed through the bearing and is rotated on the inner wall of connecting box (1), the other end fixedly connected with cam (8) of bull stick (7), the surface laminating of cam (8) has lifter (9), the surface sliding of lifter (9) is connected with compression spring (10), the one end fixed connection L type fixed plate (5) of compression spring (10), one end of the lifting rod (9) penetrates through the L-shaped fixing plate (5) and is movably connected with a first screening disc (11), a groove (12) is formed in the inner wall of the box body (1), a fixing spring (13) is fixedly connected to the top surface of the first screening disc (11), one end of the fixing spring (13) is fixedly connected with the inside of the groove (12), the bottom surface of the first screening disc (11) is rotatably connected with supporting rods (14) through pin shafts in the fixing blocks, the surfaces of the two supporting rods (14) are fixedly connected with stretching springs (15), the end portions of the supporting rods (14) are rotatably connected with pulleys (16) through roller shafts, the surface of each pulley (16) is slidably connected with the inside of the groove (12), the bottom surface of the first screening disc (11) is rotatably connected with a connecting rod (18) through the pin shafts in the fixing blocks, one end of the connecting rod (18) is connected with a second screening disc (19) through bolt threads, the outer wall of box (1) passes through backup pad fixedly connected with cylinder (20), the outer wall fixedly connected with impurity discharge gate (22) of box (1), the bottom fixed surface of box (1) is connected with T type discharge gate (24), valve (25) have been seted up on the surface of T type discharge gate (24), the bottom of box (1) is located one side fixedly connected with support column (26) of T type discharge gate (24), the sliding surface of support column (26) is connected with base (27), the inner wall fixedly connected with spliced pole (28) of base (27), the sliding surface of spliced pole (28) is connected with extrusion spring (29).

2. The coated sand screening device of claim 1, wherein: the end part of the worm gear (4) is rotatably connected with an L-shaped fixing plate (5) through a bearing, and the end part of the L-shaped fixing plate (5) is fixedly connected to the inner wall of the box body (1).

3. The coated sand screening device of claim 1, wherein: the bottom surface of the first screening disc (11) is located on one side of the connecting rod (18) and is fixedly connected with an elastic sealing strip (17), and one end of the elastic sealing strip (17) is fixedly connected to the inner wall of the box body (1).

4. The coated sand screening device of claim 1, wherein: the surface of the first screening plate (11) and the surface of the second screening plate (19) are provided with holes which are distributed on the surfaces of the first screening plate (11) and the second screening plate (19) at equal intervals.

5. The coated sand screening device of claim 1, wherein: the inner wall of the cylinder (20) penetrating through the box body (1) extends to the inner fixedly connected with push plate (21), and one side surface of the push plate (21) is attached to the first screening disc (11).

6. The coated sand screening device of claim 1, wherein: the inner wall of one side of the box body (1) is connected with a plugboard (23) in a sliding mode, and the surface of the plugboard (23) is fixedly connected with a handle.

7. The coated sand screening device of claim 1, wherein: one end of the extrusion spring (29) is fixedly connected with the supporting column (26), the other end of the extrusion spring (29) is fixedly connected with the base (27), and the surface of the connecting column (28) is connected with the supporting column (26) in a sliding mode.