CN215710215U

CN215710215U - Overflow type screw feeder

Info

Publication number: CN215710215U
Application number: CN202122124320.6U
Authority: CN
Inventors: 徐庆国
Original assignee: Anyang Lingyun Environmental Protection Technology Co ltd
Current assignee: Anyang Lingyun Environmental Protection Technology Co ltd
Priority date: 2021-09-04
Filing date: 2021-09-04
Publication date: 2022-02-01
Anticipated expiration: 2031-09-04

Abstract

The utility model relates to the technical field of feeding equipment, in particular to an overflow type screw feeder, which comprises a feeding hopper, wherein a front axial stirring roller and a rear axial stirring roller are rotationally connected in the feeding hopper, a vertically through material channel is arranged at the lower end of the feeding hopper, a left-right feeding cavity is arranged at the lower end of the material channel, a plurality of feeding barrels which are arranged along the front-rear direction and the left-right direction are arranged at the right end in the feeding cavity, a screw rod is coaxially and rotationally connected in each feeding barrel, a plurality of annular scraping blocks which are in one-to-one correspondence with the screw rods are slidably connected in the feeding cavity, a plurality of left-right sliding grooves which are in one-to-one correspondence with the annular scraping blocks are arranged at the upper end of the feeding cavity, a sliding block which can slide left and right is slidably connected in each sliding groove, and a transmission mechanism which can drive the stirring rollers to rotate is arranged at the front end of the sliding block, so that the problem of material blockage of the screw feeder can be conveniently solved, and the feeding efficiency is high, has wide application prospect in the technical field of feeding equipment.

Description

Overflow type screw feeder

Technical Field

The utility model relates to the technical field of feeding equipment, in particular to an overflow type screw feeder.

Background

The feeding device is an auxiliary device in a mechanized storage and transportation system of powder and bulk material production enterprises such as lime and the like, has the main function of continuously and uniformly feeding processed or unprocessed materials from a certain device (a hopper, a storage bin and the like) to a receiving device or a transportation machine, is a necessary device for realizing the flow operation automation, can realize the stable flow conveying of the powder materials, is suitable for the material conveying or the material proportioning of the powder materials in various industrial production environments, has a stable structure and reliable operation, and is particularly suitable for the material conveying and the material proportioning of the powder materials in industries such as building materials, metallurgy, electric power, chemical industry and the like.

Present screw feeder, generally including the drive support, drive arrangement, feed hob and casing device, drive arrangement installs on the drive support and is connected with the feed hob, the feed hob adopts the mode that both ends supported, causes easily to take place the putty when carrying the material, and the feed hob is single feed hob usually, carries biomass fuel's inefficiency, an overflow type screw feeder is needed for this reason, solve present screw feeder and take place the problem that putty and transport efficiency are low easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overflow type screw feeder, which aims to solve the problems that the prior screw feeder is easy to cause material blockage during material conveying, and the feeding screw rod is usually a single feeding screw rod, so that the efficiency of conveying biomass fuel is low.

The technical scheme of the utility model is that the device comprises a feed hopper, wherein a front axial stirring roller and a rear axial stirring roller are rotationally connected in the feed hopper, a vertically through material channel is arranged at the lower end of the feed hopper, a left-right feeding cavity is arranged at the lower end of the material channel, the left end of the feeding cavity is provided with an upward opening and is communicated with the material channel, a plurality of feeding barrels are arranged in the front-rear direction and in the left-right direction, a screw rod is coaxially and rotationally connected in each feeding barrel, the right end of each screw rod penetrates through the feeding cavity at the corresponding side of the screw rod and is coaxially provided with a gear, each adjacent gear is mutually meshed, a motor is coaxially arranged at the right end of the gear at the front side, a discharge port with a downward opening is arranged at the right side of the feeding cavity, a plurality of annular scraping blocks corresponding to the screw rods one by one are slidably connected in the feeding cavity, a plurality of left-right chutes corresponding to the annular scraping blocks are arranged at the upper end of the feeding cavity, but sliding connection has horizontal gliding slider in the spout, a fixed connection is scraped with every annular to the slider lower extreme, the telescopic cylinder of direction about slider right-hand member fixedly connected with, telescopic cylinder fixed connection is in the upper end in pay-off chamber, the slider front end is equipped with can drive stirring roller pivoted drive mechanism.

Preferably, drive mechanism includes sprocket, extension spring, chain, connection rope, fixed column, the stirring roller front end runs through feeder hopper and coaxial being equipped with the sprocket, the feeder hopper front end is equipped with the axial extension spring in below, the extension spring lower extreme is equipped with the chain of direction from top to bottom, the sprocket is connected with chain drive, the chain lower extreme is equipped with the connection rope, the material is said that the front end is equipped with the front and back axial and is located the fixed column of chain lower extreme, connect rope lower extreme and slider fixed connection through the week side of fixed column.

Preferably, the radius of the annular scraping block is larger than that of the spiral teeth, and the section of the annular scraping block is wedge-shaped.

Preferably, a plurality of stirring rods which are spirally and uniformly distributed are arranged on the upper peripheral side of the stirring roller.

Preferably, each screw rod is provided with helical teeth, and the rotation directions of adjacent screw rods are opposite.

Preferably, the feeding cavity right end is equipped with the housing, the motor is located the housing and with housing fixed connection.

Preferably, the front side and the rear side of the material channel are respectively provided with a support rod in the vertical direction, and the front side and the rear side of the housing are respectively provided with a support rod in the vertical direction.

The technical scheme of the utility model can achieve the following beneficial effects: (1) the feeding cavity is arranged, raw materials enter the feeding cavity through the material channel and then are pushed to move towards the discharge hole through the rotation of the spiral teeth on the spiral rod, and meanwhile, the plurality of spiral teeth are arranged to rotate simultaneously, so that the feeding speed of the device for the raw materials is greatly increased, and the production efficiency is improved; (2) the annular scraping block, the sliding block and the telescopic cylinder are arranged, the sliding block is driven to move by the telescopic cylinder, the sliding block drives the annular scraping block to move, and in the moving process, the annular scraping block scrapes the raw materials attached to the inner wall of the feeding cavity, so that the feeding cavity is convenient to clean, the feeding cavity is favorable for use, the material blocking phenomenon is effectively prevented, and the service life of the device is prolonged; (3) the transmission mechanism is arranged, and the stirring roller is driven to rotate by the transmission mechanism, so that raw materials thrown into the feed hopper can smoothly enter the feeding cavity, the feeding process of the device is facilitated, and meanwhile, large materials entering the feed hopper are crushed, and the feeding of the device is facilitated; (4) the arrangement of the housing and the supporting rod is favorable for protecting the motor of the device, the use of the device is convenient, and the service life of the device is prolonged; the technical scheme of the utility model has wide application prospect in the technical field of feeding equipment.

Drawings

Fig. 1 is an isometric view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a front view, full section and cutaway view of the present invention.

Fig. 5 is a top plan full section view of the present invention.

Fig. 6 is a left side full section view of the present invention.

The device comprises a feeding hopper 1, a feeding hopper 2, a stirring roller 3, a material channel 4, a drainage tube 5, a screw rod 6, a gear 7, a motor 8, a discharge port 9, an annular scraper 10, a slide block 11, a telescopic cylinder 12, a chain wheel 13, a tension spring 14, a chain 15, a connecting rope 16, a fixing column 17, a stirring rod 18, a spiral tooth 19, a housing 20 and a supporting rod.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative effort belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance in the description of the present invention, it being noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An overflow type screw feeder as shown in fig. 1-6 comprises a feed hopper 1, a front axial stirring roller 2 and a rear axial stirring roller 2 are rotatably connected in the feed hopper 1, a plurality of spirally uniformly distributed stirring rods 17 are fixedly connected on the upper circumferential side of the stirring roller 2, specifically, the stirring rods 17 can be welded on the circumferential side of the stirring roller 2, the raw materials fed into the feed hopper 1 can be favorably and smoothly fed into a feeding cavity 4 by stirring of the stirring roller 2, the feeding process of the device is facilitated, simultaneously, large materials fed into the feed hopper 1 are crushed, the feeding of the device is facilitated, and a person skilled in the art can understand that, in some preferred embodiments, the stirring roller 2 is only used as an example and is not limited, the function of the stirring roller 2 is suitable for stirring the raw materials, the raw materials can be conveniently fed into the feeding cavity 4, the lower end of the feed hopper 1 of the stirring roller 2 is fixedly connected with a material channel 3 which is vertically communicated, the lower end of the material channel 3 is fixedly connected with a feeding cavity 4 in the left-right direction, the left end of the feeding cavity 4 is provided with an upward opening and is communicated with the material channel 3, the right end in the feeding cavity 4 is provided with a plurality of feeding barrels which are arranged along the front-back direction and are in the left-right direction, each feeding barrel is internally coaxially and rotatably connected with a screw rod 5, each screw rod 5 is fixedly connected with a screw tooth 18, the rotating directions of the adjacent screw rods 5 are opposite, the right end of each screw rod 5 penetrates through the feeding cavity 4 on the corresponding side and is coaxially and fixedly connected with a gear 6, each adjacent gear 6 is mutually meshed, the right end of the gear 6 on the front side is coaxially and fixedly connected with a motor 7, the gear 6 is driven to rotate through the rotation of the motor 7, the mutually meshed transmission between the adjacent gears 6 drives the corresponding screw rods 5 to rotate, the screw rods 5 drive the screw teeth 18 to rotate, so as to push raw materials, the right side of the feeding cavity 4 is provided with a discharging hole 8 with a downward opening, so that the raw materials can be discharged conveniently.

An overflow type screw feeder as shown in fig. 1-6, a plurality of annular scraping blocks 9 corresponding to the screw rods 5 one by one are slidably connected in the feeding cavity 4, the radius of the annular scraping blocks 9 is larger than that of the helical teeth 18, and the section of the annular scraping blocks is wedge-shaped, so as to scrape the raw material on the inner wall of the feeding cavity 4, a plurality of chutes which are in the left-right direction and correspond to the annular scraping blocks 9 one by one are arranged at the upper end of the feeding cavity 4, sliders 10 capable of sliding left and right are slidably connected in the chutes, the lower ends of the sliders 10 are fixedly connected with each annular scraping block 9, telescopic cylinders 11 in the left-right direction are fixedly connected at the right ends of the sliders 10, the telescopic cylinders 11 are fixedly connected at the upper end of the feeding cavity 4, a transmission mechanism capable of driving the stirring rollers 2 to rotate is arranged at the front ends of the sliders, the transmission mechanism is used for driving the stirring rollers 2 to rotate, so as to facilitate the raw material put into the feeding hopper 1 to smoothly enter the feeding cavity 4, the feeding process of the device is convenient, and simultaneously, the large materials entering the feed hopper 1 are crushed, so that the feeding of the device is facilitated.

The overflow type screw feeder shown in fig. 1-6, the transmission mechanism includes a sprocket 12, a tension spring 13, a chain 14, a connecting rope 15, a fixing post 16, the front end of the stirring roller 2 penetrates the feeding hopper 1 and is coaxially and fixedly connected with the sprocket 12, the front end of the feeding hopper 1 is fixedly connected with the tension spring 13 in the upper and lower axial directions, the lower end of the tension spring 13 is fixedly connected with the chain 14 in the up and down direction, the sprocket 12 is in transmission connection with the chain 14, the lower end of the chain 14 is fixedly connected with the connecting rope 15, the front end of the material channel 3 is fixedly connected with the fixing post 16 in the front and rear axial directions and located at the lower end of the chain 14, the lower end of the connecting rope 15 is fixedly connected with the slider 10 through the peripheral side of the fixing post 16, the right end of the feeding cavity 4 is fixedly connected with a housing 19, the motor 7 is located in the housing 19 and is fixedly connected with the housing 19, the support rods 20 in the up and down direction are respectively fixedly connected to the front and rear sides of the material channel 3, the support rods 20 in the up and rear directions are respectively fixedly connected to the front and rear sides of the housing 19, the arrangement of the housing 19 and the supporting rod 20 is favorable for protecting the motor 7 of the device, the use of the device is facilitated, and the service life of the device is prolonged.

When the device is used, firstly, the motor 7 is started, the motor 7 drives the gear 6 to rotate, the gears 6 are meshed with each other and simultaneously drive the screw rods 5 on the corresponding sides to rotate, the screw rods 5 drive the screw teeth 18 to rotate, the telescopic cylinder 11 is started, the telescopic cylinder 11 drives the slide block 10 to move, the slide block 10 drives the annular scraper to slide, meanwhile, the slide block 10 drives the connecting rope 15 to move, the connecting rope 15 drives the chain 14 to move, the chain 14 drives the chain wheel 12 to rotate, the chain wheel 12 drives the stirring roller 2 to rotate, the stirring roller 2 drives the stirring rod 17 to rotate, meanwhile, the chain wheel 12 drives the tension spring 13 to stretch downwards, raw materials are put into the feed hopper 1 at the moment, the raw materials enter the feeding cavity 4 through the material channel 3, the spiral teeth 18 push the raw material to move towards the discharge hole 8, and the annular slide block 10 scrapes off the raw material attached to the inner wall of the feeding cavity 4.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The overflow type screw feeder comprises a feeding hopper (1) and is characterized in that a front stirring roller and a rear stirring roller (2) are rotationally connected in the feeding hopper (1), a material channel (3) which is through up and down is arranged at the lower end of the feeding hopper (1), a feeding cavity (4) in the left-right direction is arranged at the lower end of the material channel (3), the left end of the feeding cavity (4) is provided with an opening upwards and is communicated with the material channel (3), a plurality of feeding barrels which are arranged in the front-rear direction and in the left-right direction are arranged at the inner right end of the feeding cavity (4), a screw rod (5) is coaxially and rotatably connected in each feeding barrel, the right end of each screw rod (5) penetrates through the feeding cavity (4) in the corresponding side and is coaxially provided with a gear (6), each adjacent gear (6) is mutually meshed, a motor (7) is coaxially arranged at the right end of the gear (6) positioned at the forefront end in the plurality of gears (6), the right side of pay-off chamber (4) is established to opening decurrent discharge gate (8), pay-off chamber (4) sliding connection has a plurality of and hob (5) one-to-one annular scrape piece (9), pay-off chamber (4) upper end is equipped with about a plurality of directions and scrapes the spout of piece (9) one-to-one with the annular, sliding connection has slider (10) that can the horizontal slip in the spout, piece (9) fixed connection is scraped with every annular to slider (10) lower extreme, the telescopic cylinder (11) of direction about slider (10) right-hand member fixedly connected with, telescopic cylinder (11) fixed connection is in the upper end of pay-off chamber (4), slider (10) front end is equipped with and drives stirring roller (2) pivoted drive mechanism.

2. An overflow screw feeder according to claim 1, wherein the transmission mechanism includes a chain wheel (12), a tension spring (13), a chain (14), a connecting rope (15) and a fixing column (16), the front end of the stirring roller (2) penetrates through the feeding hopper (1) and is coaxially provided with the chain wheel (12), the front end of the feeding hopper (1) is provided with the tension spring (13) axially in the upper and lower directions, the lower end of the tension spring (13) is provided with the chain (14) in the upper and lower directions, the chain wheel (12) is in transmission connection with the chain (14), the lower end of the chain (14) is provided with the connecting rope (15), the front end of the material channel (3) is provided with the fixing column (16) axially in the front and rear direction and located at the lower end of the chain (14), and the lower end of the connecting rope (15) is fixedly connected with the sliding block (10) through the peripheral side of the fixing column (16).

3. A flooded screw feeder according to claim 1, characterised in that the radius of the annular scraping block (9) is larger than the radius of the screw teeth (18) and its cross-section is wedge-shaped.

4. An overflow screw feeder according to claim 1, characterised in that a plurality of helically equispaced stirring rods (17) are provided on the upper peripheral side of the stirring roller (2).

5. An overflow screw feeder according to claim 1, characterised in that each screw rod (5) is provided with screw teeth (18) and that the directions of rotation between adjacent screw rods (5) are opposite.

6. An overflow screw feeder according to claim 1, characterized in that a cover (19) is arranged at the right end of the feeding cavity (4), and the motor (7) is positioned in the cover (19) and is fixedly connected with the cover (19).

7. An overflow screw feeder according to claim 6, characterized in that the front and rear sides of the material channel (3) are respectively provided with a vertical support rod (20), and the front and rear sides of the casing (19) are respectively provided with a vertical support rod (20).