CN213059000U

CN213059000U - Self-cleaning type double-screw conveyor

Info

Publication number: CN213059000U
Application number: CN202021847520.3U
Authority: CN
Inventors: 贾琦; 郭学瑞; 马硕; 马成钢; 陈涛; 张菲菲
Original assignee: Jinan Xianke Building Materials Co ltd
Current assignee: Jinan Xianke Building Materials Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-27
Anticipated expiration: 2030-08-28

Abstract

The application relates to a self-cleaning type double-screw conveyor, which belongs to the technical field of material conveying and comprises a material groove with a feeding hole and a discharging hole, the side wall of the trough is provided with a cavity for containing clear water, the side wall of the cavity close to the spiral shaft assembly is provided with a plurality of water spraying areas, the water spraying area is provided with a plurality of first water spraying holes, the first water spraying holes face to the direction of the screw shaft assembly, a plurality of baffle blocks for shielding the water spraying area are arranged on one side of the cavity close to the water spraying area, the baffle blocks correspond to the water spraying area in number one by one and are in rotating or sliding connection with the trough, so as to adjust the closing state of the first water spray hole, a driving mechanism for driving the stop block to rotate or slide is arranged on the trough, the cavity intercommunication is provided with the clarified water pipe, the one end intercommunication that the cavity was kept away from to the clarified water pipe has the water source. The cleaning device has the effects of simplifying the cleaning process and saving manpower.

Description

Self-cleaning type double-screw conveyor

Technical Field

The application relates to the field of material conveying, in particular to a self-cleaning type double-screw conveyor.

Background

The screw conveyer is a machine which utilizes a motor to drive a screw to rotate and push materials so as to realize the conveying purpose. The conveying device can convey horizontally, obliquely or vertically, and has the advantages of simple structure, small cross section area, good sealing property, convenience in operation, easiness in maintenance, convenience in closed transportation and the like.

At present, a Chinese utility model with publication number CN204280560U discloses a positive pressure double-screw conveyor, which comprises a driving device, a trough and a screw shaft assembly; the driving device is fixedly arranged at the end part or the tail part of the trough and comprises a motor and a gearbox; the upper end of the trough is provided with a feeding hole, the lower end of the trough is provided with a discharging hole, and the inner wall of the trough is provided with an anticorrosive coating; the spiral shaft assembly comprises a left-handed spiral shaft and a right-handed spiral shaft which are arranged side by side, spiral blades which are respectively fixedly connected to the left-handed spiral shaft and the right-handed spiral shaft have the same spiral size and are distributed in a herringbone coupling manner, and the surfaces of the left-handed spiral shaft, the right-handed spiral shaft and the spiral blades are all provided with anti-corrosion coatings; the axial distance between the left-handed screw shaft and the right-handed screw shaft is greater than the radius of the screw blade with the radial section and smaller than the diameter of the screw blade with the radial section, and the screw pitches of the screw blades on the left-handed screw shaft and the right-handed screw shaft are gradually increased from the feed port to the discharge port; the left-handed screw shaft and the right-handed screw shaft are erected on the trough through bearings along the length direction of the trough respectively, transmission gears are fixedly installed at one ends, close to the driving device, of the left-handed screw shaft and the right-handed screw shaft and are meshed with each other, and one end, provided with the transmission gear, of the left-handed screw shaft or the right-handed screw shaft is connected with an output shaft of a gearbox of the driving device through a coupler. When the material discharging device is used, the driving device is started, materials continuously fall into the material groove from the material inlet, the left-handed screw shaft and the right-handed screw shaft synchronously rotate in opposite directions, and the screw blades push the materials to move to the left above the material outlet and fall out from the material outlet.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the inside needs of silo wash, must unpack apart whole shell and wash, complex operation consumes the manpower.

SUMMERY OF THE UTILITY MODEL

In order to simplify the washing flow, use manpower sparingly, this application provides a self-cleaning formula double helix conveyor.

The application provides a self-cleaning formula double helix conveyer adopts following technical scheme:

the utility model provides a self-cleaning formula double helix conveyor, is including the silo that has feed inlet and discharge gate, the cavity that is used for splendid attire clear water is seted up to the lateral wall of silo, the cavity is provided with a plurality of water spray districts on being close to the lateral wall of screw axis assembly, a plurality of first hole for water spraying has been seted up in the water spray district, first hole for water spraying is towards the direction of screw axis assembly, one side that is close to the water spray district in the cavity is provided with a plurality of dogs that are used for sheltering from the water spray district, the dog and the quantity one-to-one in water spray district, and with silo rotate and is connected or sliding connection to the closed state of adjustment first hole for water spraying, be provided with on the silo and be used for driving dog rotation or gliding actuating mechanism, the cavity intercommunication is provided with the clear.

By adopting the technical scheme, the stop block can be adjusted through the driving mechanism, so that the closing state of the first water spraying hole is adjusted, the stop block is adjusted to shield the first water spraying hole, the first water spraying hole is closed, the double-screw conveyor can be started for conveying materials, and the condition that the materials enter the cavity from the water spraying hole is reduced; the first hole for water spraying is not sheltered from to the adjustment dog, is supplied water by water source water supply pipe, and the clear water gets into the cavity, can wash inside the silo by first hole for water spraying blowout, and the water after the washing flows out by the discharge gate, has simplified the washing flow, uses manpower sparingly.

Preferably, each of the first water jetting holes has a different orientation.

Through adopting above-mentioned technical scheme, the orientation difference of each first hole for water spraying is convenient for clear water by inside the different angle washing silo, has increased the washing area.

Preferably, one side of the stop block close to the water spraying area is fixedly connected with a sealing gasket.

Through adopting above-mentioned technical scheme, sealed setting up of filling up has improved the leakproofness when the closed first hole for water spraying of dog.

Preferably, the water spray area includes a plurality of airtight districts and the injection district that the interval set up, first hole for water spraying is seted up on the injection district, the dog includes a plurality of closed regions and the district that communicates that the interval set up, the dog rotates the laminating on the lateral wall that the cavity is close to the water spray area the dog has the two kinds of states of totally enclosed injection district and totally open injection district when rotating, actuating mechanism sets up on the silo for the drive dog rotates.

By adopting the technical scheme, the driving mechanism is controlled to rotate the stop block, so that the communication area is superposed with the spraying area, and the spraying area can be completely opened to spray clean water from the first water spray hole so as to clean the interior of the material tank; the driving mechanism is controlled to rotate the stop block, so that the closed area and the injection area are overlapped, the injection area can be completely closed, the double-screw conveyor is started to convey materials, and the condition that the materials enter the cavity from the water spray holes is reduced.

Preferably, the driving mechanism comprises a synchronous driving assembly and a plurality of gears, the gears correspond to the stop blocks in number one to one, the gears are coaxially and fixedly connected with the corresponding stop blocks and are rotatably connected with the trough, and the synchronous driving assembly is used for driving the gears to rotate synchronously.

Through adopting above-mentioned technical scheme, synchronous drive subassembly can drive each gear synchronous revolution, and gear and the coaxial fixed connection of dog consequently can drive the dog and rotate to realize the regulation of dog to first hole for water spraying closed state.

Preferably, the synchronous driving assembly comprises a first cylinder and a rack, the rack moves along the length direction of the trough and is meshed with the gears, a cylinder body of the first cylinder is arranged on the trough, and a piston rod of the first cylinder is fixedly connected with one end of the rack and is used for driving the rack to move.

Through adopting above-mentioned technical scheme, the cylinder can drive rack removal, and rack and gear engagement can drive each gear revolve when consequently rack removes to this drives each dog and rotates.

Preferably, each stop block is connected with the trough in a sliding mode along a direction close to or far away from the water spraying area, and the driving mechanism is arranged on the trough and used for driving each stop block to slide synchronously.

By adopting the technical scheme, the stop blocks can synchronously slide under the driving of the driving mechanism, and slide in the direction close to the water spraying area until the water spraying area is blocked, so that the double-screw conveyor can be started to convey materials when the first water spraying holes are in a closed state; the dog slides to the direction of keeping away from the water spray district, until leaving the water spray district, when making first hole for water spraying not shelter from, can let in the clear water, sprays the clear water inside in order to wash the silo by first hole for water spraying to the silo.

Preferably, each stop block is fixedly connected, the driving mechanism comprises a second cylinder and a connecting rod, the cylinder body of the second cylinder is fixedly connected with the trough, one end of the connecting rod is fixedly connected with one stop block, and the other end of the connecting rod is fixedly connected with the piston rod of the second cylinder.

Through adopting above-mentioned technical scheme, the second cylinder passes through the connecting rod to be connected with each dog, can drive sliding of dog.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the stop block can be adjusted through the driving mechanism, so that the closing state of the first water spraying hole is adjusted, the stop block is adjusted to shield the first water spraying hole, the first water spraying hole is closed, the double-screw conveyor can be started for conveying materials, and the condition that the materials enter the cavity from the water spraying hole is reduced; the regulating stop block does not block the first water spraying hole, water is supplied to the clear water pipe from a water source, clear water enters the cavity and can be sprayed out from the first water spraying hole to clean the interior of the material tank, and the cleaned water flows out from the material outlet, so that the cleaning process is simplified, and the labor is saved;

2. the direction of each first water spray hole is different, so that the clean water can clean the interior of the material groove from different angles, and the cleaning area is increased;

3. the synchronous driving assembly can drive the gears to synchronously rotate, and the gears are fixedly connected with the stop blocks in a coaxial mode, so that the stop blocks can be driven to rotate, and the closed state of the first water spraying holes can be adjusted by the stop blocks.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a partial structural view of embodiment 1 of the present application;

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

FIG. 4 is an enlarged schematic view of portion C of FIG. 2;

FIG. 5 is an enlarged schematic view of portion A of FIG. 1;

FIG. 6 is a partial structural view of embodiment 2 of the present application;

fig. 7 is an enlarged schematic view of a portion D in fig. 6.

Description of reference numerals: 100. a trough; 110. a feed inlet; 120. a discharge port; 130. a cavity; 200. a water spraying area; 210. a closed area; 220. a spray zone; 221. a first water spray hole; 300. a stopper; 310. a closed zone; 320. a communication region; 321. a second water jet hole; 330. a rotating shaft; 400. a drive mechanism; 410. a synchronous drive assembly; 411. a first cylinder; 412. a rack; 420. a gear; 430. a second cylinder; 440. a connecting rod; 500. a clear water pipe; 600. a water source.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses self-cleaning formula double helix conveyer.

Example 1

Referring to fig. 1, a self-cleaning twin screw conveyor includes a chute 100 having a feed inlet 110 and a discharge outlet 120.

Referring to fig. 1 and 2, a cavity 130 for containing clean water is formed in the side wall of the trough 100, the cavity 130 is communicated with a clean water pipe 500, one end of the clean water pipe 500 far away from the cavity 130 is communicated with a water source 600, and the water source 600 is a high-pressure water faucet.

Referring to fig. 2 and 3, a plurality of water spraying areas 200 are disposed on the side wall of the cavity 130 close to the screw shaft assembly, the water spraying areas 200 include a plurality of closed areas 210 and spraying areas 220, the closed areas 210 and the spraying areas 220 are spaced apart, and two closed areas 210 and two spraying areas 220 are adopted in the embodiment. The spraying region 220 is opened with a plurality of first water spraying holes 221, the plurality of first water spraying holes 221 all face the direction of the screw shaft assembly, but the direction of each first water spraying hole 221 is different to increase the cleaning area.

Referring to fig. 3 and 4, a plurality of stoppers 300 for shielding the water spraying region 200 are rotatably attached to the side wall of the cavity 130 near the water spraying region 200, and the stoppers 300 correspond to the water spraying regions 200 in number one to one, so as to adjust the closed state of the first water spraying holes 221. A sealing gasket is adhered to one side of the stopper 300 close to the water spraying region 200.

The block 300 includes a plurality of closed regions 310 and communication regions 320 arranged at intervals, and in this embodiment, 2 closed regions 310 and two communication regions 320 are adopted. The communication area 320 is provided with a plurality of second water spraying holes 321 corresponding to the first water spraying holes 221 in number and shape.

When the block 300 rotates to the communication area 320 to coincide with the spraying area 220, that is, the second water spraying hole 321 coincides with the first water spraying hole 221, the spraying area 220 is fully opened, and water can be sprayed into the trough 100 through the second water spraying hole 321 and the first water spraying hole 221, so as to clean the inside of the trough 100. When the stopper 300 rotates to the closed area 310 and the injection area 220 are overlapped, the injection area 220 is completely closed, and the double-helix conveyor can be started for conveying materials.

Referring to fig. 4 and 5, the trough 100 is provided with a driving mechanism 400 for driving the stopper 300 to rotate. The driving mechanism 400 comprises a synchronous driving assembly 410 and a plurality of gears 420, wherein the gears 420 correspond to the stoppers 300 one by one, the stoppers 300 are coaxially welded with rotating shafts 330, and one ends of the rotating shafts 330 far away from the stoppers 300 penetrate through the side walls of the trough 100 and are coaxially welded with the gears 420. Each gear 420 is rotatably connected to the trough 100, and the synchronous drive assembly 410 is used to drive each gear 420 to rotate synchronously.

The synchronous drive assembly 410 includes a first cylinder 411 and a rack 412, and the rack 412 is engaged with each gear 420 and moves along the length direction of the trough 100. The cylinder body of the first cylinder 411 is welded with the outer wall of the trough 100, and the piston rod of the first cylinder 411 is welded with one end of the rack 412 and used for driving the rack 412 to move.

The implementation principle of the embodiment 1 is as follows: when the interior of the trough 100 of the double-helix conveyor needs to be cleaned, the first cylinder 411 is started, the rack 412 is driven to move, the gear 420 rotates, and the stopper 300 is driven to rotate until the communication area 320 coincides with the injection area 220, and the second water jet hole 321 coincides with the first water jet hole 221. The first cylinder 411 is halted, and the position of the piston rod of the first cylinder 411 is maintained. The high pressure faucet is turned on, clean water is introduced into the cavity 130 through the clean water pipe 500, the clean water is sprayed out through the second water spraying hole 321 and the first water spraying hole 221 to clean the inside of the trough 100, and the cleaned water flows out through the discharge hole 120.

After the cleaning is completed, the first cylinder 411 is controlled to drive the rack 412 to return to the original position, the gear 420 rotates to drive the stopper 300 to rotate until the closed region 310 coincides with the injection region 220, the stopper 300 blocks the first water spraying hole 221, and the double-helix conveyor can be opened for conveying materials.

Example 2

Referring to fig. 6 and 7, the present embodiment is different from embodiment 1 in that each stopper 300 is located in the cavity 130, sequentially welded, and slidably connected to the trough 100 in a direction approaching or departing from the water spray area 200. The driving mechanism 400 comprises a second cylinder 430 and a connecting rod 440, the cylinder body of the second cylinder 430 is welded to the outer wall of the trough 100, one end of the connecting rod 440 is welded to one of the stoppers 300, and the other end of the connecting rod passes through the side wall of the trough 100 and is welded to the piston rod of the second cylinder 430, so as to drive each stopper 300 to synchronously slide.

The implementation principle of the embodiment 2 is as follows: when the inside of the trough 100 of the double-helix conveyor needs to be cleaned, the second cylinder 430 is started, the second cylinder 430 is controlled to drive the connecting rod 440 to slide, the stop block 300 slides towards the direction far away from the water spraying area 200, and the first water spraying hole 221 is not shielded. The first cylinder 411 is halted and the position of the piston rod of the second cylinder 430 is maintained. The high-pressure faucet is turned on, clean water is introduced into the cavity 130 through the clean water pipe 500, the clean water is sprayed out through the first water spraying hole 221 to clean the inside of the material tank 100, and the cleaned water flows out through the material outlet 120.

After the cleaning is finished, the second cylinder 430 is controlled to drive the connecting rod 440 to return to the original position, so that the stopper 300 slides towards the direction close to the water spraying area 200 until the stopper 300 blocks the first water spraying hole 221, and the double-screw conveyor can be started for conveying materials.

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

Claims

1. A self-cleaning double screw conveyor, comprising a chute (100) having a feed inlet (110) and a discharge outlet (120), characterized in that: the side wall of the trough (100) is provided with a cavity (130) for containing clear water, the side wall of the cavity (130) close to the spiral shaft assembly is provided with a plurality of water spraying areas (200), the water spraying area (200) is provided with a plurality of first water spraying holes (221), the first water spraying holes (221) face to the direction of the screw shaft assembly, a plurality of blocks (300) for shielding the water spraying area (200) are arranged at one side of the cavity (130) close to the water spraying area (200), the number of the stop blocks (300) is in one-to-one correspondence with the number of the water spraying areas (200) and is in rotating connection or sliding connection with the trough (100), so as to adjust the closing state of the first water spray hole (221), a driving mechanism (400) for driving the stop block (300) to rotate or slide is arranged on the trough (100), the cavity (130) is communicated with a clean water pipe (500), and one end, far away from the cavity (130), of the clean water pipe (500) is communicated with a water source (600).

2. A self-cleaning twin screw conveyor as in claim 1 wherein: the first water jetting holes (221) are oriented in different directions.

3. A self-cleaning twin screw conveyor as in claim 2 wherein: one side of the block (300) close to the water spraying area (200) is fixedly connected with a sealing gasket.

4. A self-cleaning twin screw conveyor as in claim 3 wherein: spout water district (200) including a plurality of sealed districts (210) and the injection zone (220) that the interval set up, first hole for water spraying (221) are seted up on injection zone (220), dog (300) are including a plurality of confined regions (310) and the intercommunication district (320) that the interval set up, dog (300) rotate the laminating on cavity (130) are close to the lateral wall in water spraying district (200), have the two kinds of states of totally enclosed injection zone (220) and totally open injection zone (220) when dog (300) rotate, actuating mechanism (400) set up on silo (100) for drive dog (300) rotate.

5. A self-cleaning twin screw conveyor as in claim 4 wherein: the driving mechanism (400) comprises a synchronous driving assembly (410) and a plurality of gears (420), the gears (420) correspond to the stoppers (300) in number one by one, the gears (420) are coaxially and fixedly connected with the corresponding stoppers (300) and are rotatably connected with the trough (100), and the synchronous driving assembly (410) is used for driving the gears (420) to rotate synchronously.

6. A self-cleaning twin screw conveyor as in claim 5 wherein: the synchronous driving assembly (410) comprises a first air cylinder (411) and a rack (412), the rack (412) moves along the length direction of the trough (100) and is meshed with each gear (420), the cylinder body of the first air cylinder (411) is arranged on the trough (100), and the piston rod of the first air cylinder (411) is fixedly connected with one end of the rack (412) and used for driving the rack (412) to move.

7. A self-cleaning twin screw conveyor as in claim 3 wherein: each block (300) is connected with the trough (100) in a sliding mode along the direction close to or far away from the water spraying area (200), and the driving mechanism (400) is arranged on the trough (100) and used for driving each block (300) to slide synchronously.

8. A self-cleaning twin screw conveyor as in claim 7 wherein: each stop block (300) is fixedly connected, the driving mechanism (400) comprises a second air cylinder (430) and a connecting rod (440), the cylinder body of the second air cylinder (430) is fixedly connected with the trough (100), one end of the connecting rod (440) is fixedly connected with one stop block (300), and the other end of the connecting rod is fixedly connected with the piston rod of the second air cylinder (430).