CN211110029U

CN211110029U - Screw conveyer for cement bin with clearance function

Info

Publication number: CN211110029U
Application number: CN201922114201.5U
Authority: CN
Inventors: 孟令军
Original assignee: Shandong Hanke Construction Machinery Co ltd
Current assignee: Shandong Hanke Construction Machinery Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-07-28
Anticipated expiration: 2029-11-27

Abstract

The utility model relates to a screw conveyer for cement bin with clearance function belongs to the technical field in cement bin, and its technical scheme main points are screw conveyer for cement bin with clearance function, including cement bin body and screw conveyor, screw conveyor includes casing, screw axis and helical blade fixed connection, and the bottom of cement bin body is linked together with screw conveyor's material loading end, the inside cleaning device that slides of casing is provided with, and cleaning device includes clearance circle and lead screw, and the lead screw is on a parallel with the screw axis setting, and the one end of lead screw rotates with the casing to be connected, and the other end of lead screw is arranged in the casing outside and the rigid coupling has the motor, and the clearance circle is arranged in on the lead screw and with lead screw threaded connection, reaches the effect of protection screw conveyor.

Description

Screw conveyer for cement bin with clearance function

Technical Field

The utility model relates to a technical field of concrete production facility especially relates to a screw conveyer for cement bin with clearance function.

Background

The cement bin is a closed tank for storing bulk materials, is generally used in bulk cement storage of a concrete mixing plant and a cement pulping station, and is suitable for storing various bulk materials such as cement, fly ash, bentonite and the like.

The existing Chinese patent with reference to publication number CN205257525U discloses a spiral conveying mechanism connected with a cement bin, which comprises the cement bin and a shaft screw conveyor, wherein a discharge port is arranged on the cement bin, a feed port is arranged on the shaft screw conveyor, and the discharge port and the feed port are connected through a flange butterfly valve with bidirectional sealing.

The above prior art solutions have the following drawbacks: this screw conveying mechanism is in the use, when having a screw conveyer to shut down, because there is the clearance between helical blade and the casing pipe wall, has a small amount of residual cement in the casing all the time, and down time is longer, and residual cement absorbs moisture in the casing and condenses, and when starting again, the coagulation block probably leads to the spiral to twist off, the motor damages.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw conveyer for cement bin with clearance function, through at the inside cleaning device that sets up of casing, cleaning device in time strikes off the processing to the remaining cement of casing inner wall, prevents to remain the cement moisture absorption and condenses to reach protection screw conveyor's effect.

The technical purpose of the utility model is realized through following technical scheme:

the utility model provides a screw conveyer for cement bin with clearance function, includes cement bin body and screw conveying mechanism, and screw conveying mechanism includes casing, screw axis and helical blade fixed connection, and the bottom of cement bin body is linked together with screw conveying mechanism's material loading end, the inside cleaning device that is provided with that slides of casing, cleaning device include clearance circle and lead screw, and the lead screw is on a parallel with the screw axis setting, and the one end of lead screw rotates with the casing to be connected, and the casing outside and rigid coupling are arranged in to the other end of lead screw have a motor, the clearance circle arrange in on the lead screw and with lead screw threaded connection.

Through the technical scheme, install cleaning device inside the casing, when screw conveyor shut down, starter motor, motor drive lead screw rotate, advance along the direction of lead screw with lead screw threaded connection's clearance circle to strike off and centralized processing to the remaining cement between helical blade and the casing pipe wall, cement remains in the inside moisture absorption of casing among the relative ratio prior art and condenses and influence the situation of screw conveyor normal use, the utility model discloses protection screw conveyor's effect has been reached.

The utility model discloses further set up to: the outer wall of clearance circle sets up with the inner wall butt of casing, and the inner wall and the helical blade interval of clearance circle set up.

Through above-mentioned technical scheme, the outer wall of clearance circle sets up with the inner wall butt of casing, strengthens the clearance circle at the removal in-process to the clearance effect of the remaining cement in the casing, and the inner wall and the helical blade interval of clearance circle set up for the clearance circle is not influenced by helical blade when the clearance remains cement, improves the convenience that the clearance circle used.

The utility model discloses further set up to: the inside bracing piece that sets firmly of casing, the bracing piece is on a parallel with the screw axis setting, and the bracing piece passes the clearance circle and sets up and be connected with the clearance circle slides.

Through above-mentioned technical scheme, the bracing piece passes the setting of clearance circle and slides with the clearance circle and be connected, and when the clearance circle was removed in the casing is inside, the bracing piece played the effect of direction to the clearance circle, and stability when strengthening the clearance circle and clearing up the residual cement improves cleaning device's result of use.

The utility model discloses further set up to: the cleaning ring is made of plastic.

Through above-mentioned technical scheme, the effect of scraping off is played to the residual cement in the casing to the clearance circle, sets up the clearance circle for the plastics material, when clearance circle clearance residual cement, reduces the wearing and tearing of clearance circle to the casing, strengthens the protection to the casing, and the clearance circle of plastics material is with low costs, easily obtains, and it is more convenient to use.

The utility model discloses further set up to: the casing outside is provided with the layer of making an uproar of falling, and the layer of making an uproar of falling links to each other with the casing butt.

Through above-mentioned technical scheme, will fall the noise floor and install in the outside of casing, when using screw conveying mechanism to carry the material, screw axis, helical blade rotation and the produced noise of material transportation in the casing are absorbed by the noise floor of falling, have reached the effect of noise reduction.

The utility model discloses further set up to: the outside of the noise reduction layer is provided with a protective shell, and the inner wall of the protective shell is fixedly connected with the outer wall of the noise reduction layer.

Through above-mentioned technical scheme, set up the protective housing in the outside of the layer of making an uproar that falls, the protective housing can play the effect that blocks the noise propagation on the one hand, and on the other hand protective housing is strengthened the protection to the layer of making an uproar that falls, prevents to fall the layer of making an uproar and suffers sunshine solarization and rainwater erosion, improves the effect of the layer noise absorption that falls, prolongs the life of the layer of making an uproar that falls.

The utility model discloses further set up to: the protective housing includes the casing that two symmetries set up, and the integrative rigid coupling in one side that two casings are close to has the engaging lug, and the bolt passes the engaging lug of two casings and connects.

Through above-mentioned technical scheme, set up the protective housing into the casing that two symmetries set up, the installation of the protective housing of being convenient for with demolish, conveniently in time change the layer of making an uproar that falls of internal damage, and consolidate the engaging lug on two casings through the bolt, improve the stability of two casings when using.

To sum up, the utility model discloses a beneficial technological effect does:

1. the cleaning device is arranged in the shell and can timely scrape and treat the residual cement on the inner wall of the shell, so that the residual cement is prevented from absorbing moisture and condensing, and the spiral conveying mechanism is protected;

2. by arranging the supporting rod, the supporting rod plays a role in guiding the cleaning ring, the stability of the cleaning ring in cleaning residual cement is enhanced, and the using effect of the cleaning device is improved;

3. the noise reduction layer is arranged on the outer side of the machine shell and absorbs noise generated in the rotating process of the spiral shaft and the spiral blades inside the machine shell and the material transportation process, so that the noise reduction effect is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic structural diagram of the cleaning apparatus of the present embodiment;

FIG. 3 is an enlarged schematic view at B of FIG. 2;

FIG. 4 is a schematic cross-sectional view of the screw conveying mechanism of this embodiment;

fig. 5 is an enlarged schematic view of a portion a of fig. 4.

Reference numerals: 1. a cement silo body; 2. a screw conveying mechanism; 21. a housing; 22. a screw shaft; 23. a helical blade; 3. a cleaning device; 31. cleaning the ring; 32. a lead screw; 321. a motor; 4. a support bar; 5. a noise reduction layer; 6. a protective shell; 61. a housing; 611. connecting lugs; 7. positioning a rod; 8. and (7) positioning the holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Combine fig. 1 and fig. 5, a screw conveyer for cement bin with clearance function, including cement bin body 1 and screw delivery mechanism 2, screw delivery mechanism 2 includes casing 21, screw axis 22 and helical blade 23 fixed connection, and the bottom of cement bin body 1 is linked together with screw delivery mechanism 2's material loading end, casing 21 is inside to be slided and is provided with cleaning device 3, cleaning device 3 carries out in time scraping the processing to the residual cement of casing 21 inner wall, cement remains and is influenced screw delivery mechanism 2 normal use's situation inside the moisture absorption condensation of casing 21 among the prior art relatively, this embodiment has reached the effect of protection screw delivery mechanism 2.

With reference to fig. 2 and 3, the cleaning device 3 includes a cleaning ring 31 and a screw rod 32, an outer wall of the cleaning ring 31 is abutted to an inner wall of the housing 21, the inner wall of the cleaning ring 31 is spaced from the helical blades 23, the screw rod 32 is parallel to the helical shaft 22, one end of the screw rod 32 is rotatably connected to the housing 21, the other end of the screw rod 32 is disposed outside the housing 21 and is fixedly connected to the motor 321, and the cleaning ring 31 is sleeved on the screw rod 32 and is in threaded connection with the screw rod 32. Motor 321 drives lead screw 32 and rotates, the direction that advances along lead screw 32 with lead screw 32 threaded connection's clearance circle 31, and strike off and centralized processing the residual cement between helical blade 23 and the casing 21 pipe wall, the outer wall of clearance circle 31 sets up with the inner wall butt of casing 21, strengthen the clearance circle 31 in the removal in-process to the clearance effect of the residual cement in the casing 21, and the inner wall of clearance circle 31 sets up with helical blade 23 interval, make clearance circle 31 not influenced by helical blade 23 when the residual cement of clearance, improve the convenience that clearance circle 31 used.

With reference to fig. 3 and 4, a support rod 4 is fixedly arranged inside the casing 21, the support rod 4 is parallel to the screw shaft 22, and the support rod 4 passes through the cleaning ring 31 and is connected with the cleaning ring 31 in a sliding manner, when the cleaning ring 31 moves inside the casing 21, the support rod 4 plays a role in guiding the cleaning ring 31, so that the stability of the cleaning ring 31 in cleaning residual cement is enhanced, and the use effect of the cleaning device 3 is improved; clearance circle 31 is the clearance circle 31 of plastics material, and clearance circle 31 plays the effect of striking off to the residual cement in the casing 21, sets up clearance circle 31 into the clearance circle 31 of plastics material, when clearance circle 31 clearance residual cement, reduces the wearing and tearing of clearance circle 31 to casing 21, strengthens the protection to casing 21, and the clearance circle 31 of plastics material is with low costs, easily obtains, and it is more convenient to use.

Combine fig. 4 and fig. 5, the casing 21 outside is provided with noise reduction layer 5, noise reduction layer 5 links to each other with casing 21 butt, and noise reduction layer 5 is asbestos material's noise reduction layer 5, the asbestos has good acid and alkali-resistance and heat resistance, again be hot and electric defective conductor, and the asbestos itself is a better noise reduction material, adopt the asbestos as noise reduction layer 5, will fall noise reduction layer 5 and install the outside at casing 21, when using spiral conveying mechanism 2 to carry the material, the inside screw axis 22 of casing 21, helical blade 23 rotates and the produced noise of material transportation in-process is absorbed by noise reduction layer 5, reach the effect of noise reduction.

With reference to fig. 1 and 5, a protective shell 6 is arranged on the outer side of the noise reduction layer 5, the inner wall of the protective shell 6 is fixedly connected with the outer wall of the noise reduction layer 5, the protective shell 6 includes two symmetrically arranged shells 61, a connecting lug 611 is fixedly connected to one side of each of the two shells 61 close to each other, and a bolt passes through the connecting lugs 611 of the two shells 61 to be connected. The protective shell 6 arranged on the outer side of the noise reduction layer 5 can play a role in blocking noise transmission on one hand, and on the other hand, the protective shell 6 strengthens the protection of the noise reduction layer 5, so that the noise reduction layer 5 is prevented from being subjected to sunshine insolation and rainwater erosion, the noise absorption effect of the noise reduction layer 5 is improved, and the service life of the noise reduction layer 5 is prolonged; the protective shell 6 is provided with the two symmetrical shells 61, so that the protective shell 6 can be conveniently installed and detached, the internally damaged noise reduction layer 5 can be conveniently replaced in time, and the connecting lugs 611 on the two shells 61 are reinforced through bolts, so that the stability of the two shells 61 in use is improved; the rigid coupling of the inside intermediate position department of two casings 61 has many locating levers 7, and many locating levers 7 perpendicular to casing 21 intervals set up, and casing 61 of casing 21 corresponds the position department of locating lever 7 and inwards caves in and is provided with locating hole 8, makes locating lever 7 pass and falls the layer of making an uproar 5 and form the joint with locating hole 8, strengthens being connected between protective housing 6 and the casing 21, further improves the stability in use of protective housing 6.

The implementation principle of the embodiment is as follows: when the screw conveyor with the cleaning function for the cement bin is used, the cleaning device 3 is firstly installed inside the casing 21, the screw rod 32 and the support rod 4 are arranged in parallel and oppositely, then the cleaning ring 31 is sleeved on the screw rod 32 and the support rod 4, meanwhile, the outer wall of the cleaning ring 31 is abutted against the inner wall of the casing 21, and the inner wall of the cleaning ring 31 is arranged at intervals with the helical blades 23; then, installing a noise reduction layer 5 on the outer side of the machine shell 21, and enabling the noise reduction layer 5 to be abutted against the outer wall of the machine shell 21; then, two symmetrically arranged shells 61 are covered on the noise reduction layer 5, positioning rods 7 on the shells 61 are clamped with positioning holes 8 on the machine shell 21, connection between the shells 61 and the machine shell 21 is enhanced, and stability of the protective shell 6 in use is improved; then, bolts penetrate through the connecting lugs 611 on the two shells 61 to connect the two shells 61, so that the protection effect of the protective shell 6 on the noise reduction layer 5 is further enhanced, and the use effect of the protective shell 6 is improved; finally, the feeding end of the spiral conveying mechanism 2 is communicated with the bottom of the cement bin body 1 to be used; when the screw conveying mechanism stops, the motor 321 is started, the motor 321 drives the screw rod 32 to rotate, the cleaning ring 31 in threaded connection with the screw rod 32 advances along the direction of the screw rod 32, residual cement between the screw blades 23 and the pipe wall of the shell 21 is scraped and intensively treated, and the screw conveying mechanism 2 is protected; in the process of conveying materials by the screw conveying mechanism 2, the screw shaft 22 and the screw blades 23 in the machine shell 21 rotate, and noise generated in the material conveying process is absorbed by the noise reduction layer 5, so that the effect of reducing noise is achieved.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a screw conveyer for cement bin with clearance function, includes cement bin body (1) and screw conveying mechanism (2), screw conveying mechanism (2) include casing (21), screw axis (22) and helical blade (23) fixed connection, and the bottom of cement bin body (1) is linked together its characterized in that with the material loading end of screw conveying mechanism (2): the inside cleaning device (3) that slides of casing (21), cleaning device (3) are including clearance circle (31) and lead screw (32), and lead screw (32) are on a parallel with screw axis (22) and set up, and the one end and casing (21) of lead screw (32) rotate and be connected, and casing (21) outside and rigid coupling have motor (321) are arranged in to the other end of lead screw (32), and on lead screw (32) and lead screw (32) threaded connection were arranged in clearance circle (31).

2. The screw conveyor with the cleaning function for the cement silo according to the claim 1, characterized in that: the outer wall of clearance circle (31) sets up with the inner wall butt of casing (21), and the inner wall and helical blade (23) interval of clearance circle (31) set up.

3. The screw conveyor with the cleaning function for the cement silo according to the claim 1, characterized in that: the machine shell (21) is internally and fixedly provided with a support rod (4), the support rod (4) is arranged in parallel to the spiral shaft (22), and the support rod (4) penetrates through the cleaning ring (31) and is connected with the cleaning ring (31) in a sliding manner.

4. The screw conveyor with the cleaning function for the cement silo according to the claim 1, characterized in that: the cleaning ring (31) is made of plastic materials (31).

5. The screw conveyor with the cleaning function for the cement silo according to the claim 1, characterized in that: the noise reduction layer (5) is arranged on the outer side of the machine shell (21), and the noise reduction layer (5) is connected with the machine shell (21) in an abutting mode.

6. The screw conveyor with the cleaning function for the cement bin as claimed in claim 5, wherein: a protective shell (6) is arranged on the outer side of the noise reduction layer (5), and the inner wall of the protective shell (6) is fixedly connected with the outer wall of the noise reduction layer (5).

7. The screw conveyor with the cleaning function for the cement silo according to the claim 6, characterized in that: the protective shell (6) comprises two symmetrically arranged shells (61), a connecting lug (611) is fixedly connected to one side, close to the two shells (61), of each shell, and a bolt penetrates through the connecting lugs (611) of the two shells (61) to be connected.