CN223628737U - Multi-stage crushing and grinding device for powdery feed - Google Patents

Abstract

This utility model discloses a multi-stage grinding and pulverizing device for powdered feed, belonging to the technical field of grinding devices. The device includes a housing, a funnel fixedly connected to the top of the housing, a material distribution wheel rotatably mounted at the bottom of the funnel, a crushing hopper fixedly connected to the bottom of the funnel, two crushing rollers rotatably mounted inside the crushing hopper, a fixed plate fixedly connected inside the housing, a fixed grinding disc fixedly connected to the top of the fixed plate, a sieve box located at the bottom of the fixed plate, and a conveying pipe fixedly connected to one side of the housing. In this multi-stage grinding and pulverizing device, the rotation of a cam drives the sieve box to vibrate, improving the screening efficiency of the sieve plate. A first and second spiral screw re-feeds unqualified powder from inside the device back to the grinding disc for grinding, eliminating the need for workers to grind the feed multiple times, thus improving the efficiency of feed grinding.

Description

Multi-stage crushing and grinding device for powdery feed

Technical Field

The utility model relates to the technical field of crushing devices, in particular to a multi-stage crushing and grinding device for powdery feed.

Background

The feed is a general term for foods of animals raised by all people, and mainly refers to foods of animals raised by agriculture or animal husbandry. The crushing and grinding of the feed raw materials is an important link in feed processing, the large total surface area of raw material particles per unit mass can be increased through crushing and grinding, the solubility of feed nutrients in animal digestive juice is increased, the animal digestibility is improved, and meanwhile, the size of the crushed raw material granularity has very important influence on the difficulty degree of subsequent procedures and the quality of finished products.

The existing crushing and grinding device usually only carries out one-time grinding, has poor grinding effect, needs workers to grind feed raw materials for many times until meeting the requirements of powder, and influences the grinding efficiency. And when smashing the grinding to the raw materials, current milling equipment is direct to send into the mill with a large amount of raw materials inside from the funnel generally, because mill grinding speed is slower, and partial raw materials granule is great, once only send into too much raw materials and can reduce grinding device's grinding effect, and too much raw materials leads to the condition that the pan's pan feeding mouth blocks up easily to work efficiency has been influenced.

Disclosure of utility model

The utility model aims to provide a multi-stage crushing and grinding device for powdery feed, which aims to solve the problems that the feed needs to be ground for many times and a grinder is easy to block in the prior art.

The multi-stage crushing and grinding device for the powdery feed comprises a machine shell, wherein a hopper is fixedly connected to the top of the machine shell, a distributing wheel is rotatably arranged at the bottom end of the inside of the hopper, a crushing bucket is fixedly connected to the bottom of the hopper, two crushing rollers are rotatably arranged inside the crushing bucket, a fixed plate is fixedly connected to the inside of the machine shell, a fixed grinding disc is fixedly connected to the top of the fixed plate, a rotary grinding disc matched with the fixed grinding disc is arranged inside the fixed grinding disc, a screening box is arranged at the bottom of the fixed plate, a collecting box is arranged on one side of the screening box, a conveying pipeline is fixedly connected to one side of the inside of the machine shell, raw materials inside the hopper are quantitatively conveyed to the tops of the two crushing rollers through the distributing wheel, the two crushing rollers are rotated inwards to primarily crush the raw materials, and the fixed grinding disc and the rotary grinding disc jointly form a conical grinding disc.

Preferably, the conveying pipeline one end runs through garrulous hopper and with garrulous fill fixed connection, the inside rotation of conveying pipeline installs the second screw rod, second screw rod bottom fixedly connected with second helical gear, the inside rotation of collecting box is connected with first screw rod, first helical screw rod one end fixedly connected with first helical gear, first helical gear is connected with the meshing of second helical gear, fixedly connected with second connecting pipe between conveying pipeline bottom and the collecting box, be linked together through the second connecting pipe between collecting box and the conveying pipeline, first screw rod is rotatory to the transmission of unqualified powder, and unqualified powder falls into second screw rod top through the second connecting pipe from collecting box one end, is carried to garrulous hopper inside by the second screw rod again, carries again and grinds between fixed mill and the rotation mill afterwards.

Preferably, a vibrating rod is fixedly connected to one side of the screening box, and a cam matched with the vibrating rod is fixedly connected to one end, away from the first helical gear, of the first helical screw.

Preferably, the baffle is fixedly connected with the bottom of the fixed plate, the screening box is slidably connected inside the baffle, and one side of the baffle is fixedly connected with the collecting box.

Preferably, the inside bottom fixedly connected with driving motor of casing, driving motor output runs through the sieve workbin and with sieve bin swing joint, driving motor output and rotation mill fixed connection, the cover is equipped with the spring in the driving motor output outside, the spring both ends laminate mutually with driving motor and sieve workbin respectively, the inside fixedly connected with swash plate and the sieve of sieve workbin, the lower one end of sieve is located first screw top, and the sieve screens well ground powder, and unqualified powder falls into the collecting box inside along the sieve inclined plane, carries the pan feeding mouth at mill top again through first screw and second screw and grinds.

Preferably, the inside bottom of crushed aggregates fill rotates and installs the positive and negative screw rod with crushed aggregates fill looks adaptation, fixedly connected with first connecting pipe between crushed aggregates fill bottom center and the fixed mill top, be linked together through first connecting pipe between fixed mill and the crushed aggregates fill, positive and negative screw rod is rotatory with broken fodder granule and unqualified fodder powder transport positive and negative screw rod center, falls into the mill inside afterwards.

Preferably, a motor is fixedly connected to one side of the casing, the output end of the motor is fixedly connected with the cam, a discharge hole is formed in one side of the casing, and the discharge hole is matched with the screening box.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the application, the raw materials in the hopper are quantitatively conveyed to the tops of the two crushing rollers through the separating wheel, and the two crushing rollers primarily crush the raw materials of the feed, so that the problems of poor grinding effect and blockage of the inlet of the grinding disc caused by excessive raw materials during one-time grinding are prevented.

2. According to the application, the first spiral screw rotates and the cam rotates to drive the screening box to vibrate, so that the screening efficiency of the screen plate is improved, the first spiral screw and the second spiral screw convey unqualified powder in the device to the grinding disc again for grinding, and the qualified powder after screening of the screen plate falls out of the discharge hole for collection, so that a worker does not need to grind feed for multiple times, and the feed grinding efficiency is improved.

Drawings

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is a cross-sectional view of the internal structure of the present utility model;

FIG. 3 is a cross-sectional view of the structure of the delivery tube of the present utility model;

FIG. 4 is a schematic view of a cam structure according to the present utility model;

FIG. 5 is a schematic diagram of the overall structure of the present utility model;

fig. 6 is a schematic view of the structure of the collecting box of the present utility model.

The number of the materials is 1, a machine shell, 2, a funnel, 3, a distributing wheel, 4, a crushing bucket, 5, a crushing roller, 6, a positive and negative screw rod, 7, a first connecting pipe, 8, a fixed plate, 9, a fixed grinding disc, 10, a rotary grinding disc, 11, a baffle plate, 12, a screening box, 13, a driving motor, 14, a spring, 15, a collecting box, 16, a first screw rod, 17, a cam, 18, a vibrating rod, 19, a first helical gear, 20, a conveying pipeline, 21, a second helical screw rod, 22, a second helical gear, 23, an inclined plate, 24, a sieve plate, 25, a second connecting pipe, 26 and a motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The technical scheme of the multi-stage crushing and grinding device for powdery feed provided by the utility model comprises a machine shell 1, wherein a funnel 2 is fixedly connected to the top of the machine shell 1, a distributing wheel 3 is rotatably arranged at the bottom end inside the funnel 2, a crushing bucket 4 is fixedly connected to the bottom of the funnel 2, two crushing rollers 5 are rotatably arranged inside the crushing bucket 4, a fixed plate 8 is fixedly connected to the inside of the machine shell 1, a fixed grinding disc 9 is fixedly connected to the top of the fixed plate 8, a rotary grinding disc 10 matched with the fixed grinding disc 9 is arranged inside the fixed grinding disc 9, a screening box 12 is arranged at the bottom of the fixed plate 8, a collecting box 15 is arranged on one side of the screening box 12, a conveying pipeline 20 is fixedly connected to one side inside the machine shell 1, raw materials inside the funnel 2 are quantitatively conveyed to the tops of the two crushing rollers 5 through the distributing wheel 3, the two crushing rollers 5 rotate inwards to primarily crush the raw materials, and the fixed grinding disc 9 and the rotary grinding disc 10 jointly form a cone.

The utility model discloses a grinding disc grinding device, including a grinding disc 9, a grinding disc 10, a conveying pipeline 20, a first helical gear 19, a second helical gear 22, a second helical gear 21, a second helical gear 19, a first helical gear 19, a second helical gear 22, a second connecting pipe 25, a first helical gear 16, a second helical gear 21, a second helical gear 22, a second helical gear 16, a first helical gear 19 and a second helical gear 19, wherein one end of the conveying pipeline 20 penetrates through the grinding hopper 4 and is fixedly connected with the grinding hopper 4, the second helical gear 21 is rotatably arranged in the conveying pipeline 20, the second helical gear 22 is rotatably arranged in the conveying pipeline 20, the second helical gear 25 is rotatably arranged in the conveying pipeline 20, the unqualified powder is conveyed through the second connecting pipe 25 from one end of the collecting box 15 and falls into the top of the second helical gear 21, is conveyed into the grinding hopper 4 through the second helical gear 21, and is then conveyed to the fixed grinding disc 9 and the rotary grinding disc 10 again for grinding.

As shown in fig. 1, 2 and 4, a vibrating rod 18 is fixedly connected to one side of the screening bin 12, and a cam 17 adapted to the vibrating rod 18 is fixedly connected to one end of the first spiral screw 16, which is far away from the first bevel gear 19.

The baffle 11 is fixedly connected to the bottom of the fixing plate 8, the screening box 12 is slidably connected inside the baffle 11, and one side of the baffle 11 is fixedly connected with the collecting box 15.

The inside bottom fixedly connected with driving motor 13 of casing 1, driving motor 13 output runs through sieve workbin 12 and with sieve workbin 12 swing joint, driving motor 13 output and rotation mill 10 fixed connection, the outside cover of driving motor 13 output is equipped with spring 14, spring 14 both ends are laminated mutually with driving motor 13 and sieve workbin 12 respectively, the inside fixedly connected with swash plate 23 and sieve 24 of sieve workbin 12, the lower one end of sieve 24 is located first screw 16 top, and sieve 24 filters the powder that grinds, and unqualified powder falls into collecting box 15 inside along the sieve 24 inclined plane, carries the pan feeding mouth at mill top again through first screw 16 and second screw 21 and grinds.

As shown in fig. 2 and 5, the bottom end inside the crushing bucket 4 is rotatably provided with a positive and negative screw 6 which is matched with the crushing bucket 4, a first connecting pipe 7 is fixedly connected between the center of the bottom of the crushing bucket 4 and the top of the fixed grinding disc 9, the fixed grinding disc 9 is communicated with the crushing bucket 4 through the first connecting pipe 7, and broken feed particles and unqualified feed powder are conveyed to the center of the positive and negative screw 6 when the positive and negative screw 6 rotates and then fall into the grinding disc.

The motor 26 is fixedly connected to one side of the machine shell 1, the output end of the motor 26 is fixedly connected with the cam 17, a discharge hole is formed in one side of the machine shell 1, and the discharge hole is matched with the screening box 12.

When the feed hopper is used, the external driving devices of the feed distributing wheel 3, the crushing roller 5 and the positive and negative screw rods 6 are the prior mature technology, no excessive statement is made here, the feed raw materials are placed into the hopper 2, the external driving devices simultaneously drive the feed distributing wheel 3, the crushing roller 5 and the positive and negative screw rods 6 to rotate, the feed distributing wheel 3 rotates to quantitatively convey the feed to the top of the crushing roller 5, then the two crushing rollers 5 simultaneously rotate inwards to primarily crush the feed, the positive and negative screw rods 6 rotate to collect crushed small particle raw materials into the center of the feed hopper 4, and the feed falls onto the upper part of the fixed millstone 9 through the first connecting pipe 7. Through the work of feed divider 3, crushing roller 5 and positive and negative helical screw 6, with the ration of fodder raw materials at uniform velocity carry the conical mill inside that fixed mill 9 and rotation mill 10 constitute, prevent once only grind too big raw materials, cause the problem that the grinding effect is not good and mill entry is blockked up.

During operation, the driving motor 13 drives the rotary millstone 10 to rotate, the fixed millstone 9 and the rotary millstone 10 are matched with each other to crush and grind raw materials in the millstone, the grinded raw materials fall into the screen bin 12, the raw materials fall to the higher end of the inclined screen plate 24 along the inclined plane of the inclined plate 23, the screen plate 24 screens the grinded raw materials, the raw materials with incomplete grinding and larger granularity are screened out, the motor 26 works to drive the cam 17 to rotate, the screen bin 12 is in sliding connection with the baffle 11, the spring 14 is arranged between the screen bin 12 and the driving motor 13, the cam 17 drives the vibrating rod 18 to move upwards during rotation, the vibrating rod 18 drives the screen bin 12 to move upwards, then the screen bin 12 moves downwards under the action of elastic force of the spring 14 to enable the vibrating rod 18 to be always attached to the screen bin 12, the screen bin 12 is driven by the elasticity of the spring 14 and the rotation of the cam 17 to vibrate up and down, the powdered raw materials are prevented from being adhered to the screen bin 12 and the inclined plate 23, the screening effect of the screen plate 24 is increased, the powdered raw materials are prevented from blocking 24, unqualified powder materials fall into the collecting bin 15 during vibration, the inclined plane passing through 24 is arranged along the inclined plane of the screen plate 15, and meets the requirements, and is discharged from the inclined plane of the screen plate 12.

Cam 17 drives first helical screw 16 rotatory when the pivoted, first helical screw 16 will fall into the inside powder of collecting box 15 and to the direction transportation of first helical gear 19, the powder falls into the pipeline 20 inside through the second connecting pipe 25 of collecting box 15 one end, drive first helical gear 19 rotatory when first helical screw 16 rotates, first helical gear 19 drives the rotation of second helical screw 21 through second helical gear 22 and conveys pipeline 20 inside powder to pipeline 20 top, pipeline 20 top and crushed aggregates fill 4 are to the intercommunication, unqualified powder falls into crushed aggregates 4 bottom again this moment, it grinds to be conveyed the mill inside again under the rotation of positive and negative helical screw 6. The unqualified powder in the device is conveyed to the grinding disc for grinding again through the first spiral screw 16 and the second spiral screw 21, and the powder falls out from the discharge hole for collection after being screened by the screen plate 24 until meeting the requirements, so that a worker does not need to grind the powder for many times, the grinding efficiency is improved, and the labor capacity of the worker is reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a multistage crushing grinder of powdered feed, includes casing (1), its characterized in that casing (1) top fixedly connected with funnel (2), feed divider wheel (3) are installed in the rotation of funnel (2) inside bottom, funnel (2) bottom fixedly connected with garrulous hopper (4), two crushing rollers (5) are installed in garrulous hopper (4) inside rotation, casing (1) inside fixedly connected with fixed plate (8), fixed plate (8) top fixedly connected with fixed mill (9), fixed mill (9) inside be provided with fixed mill (9) looks adaptation rotate mill (10), fixed plate (8) bottom is provided with sieve case (12), sieve case (12) one side is provided with collecting box (15), inside one side fixedly connected with pipeline (20) of casing (1).

2. The multi-stage grinding device for powdery feed according to claim 1, wherein one end of the conveying pipeline (20) penetrates through the crushing hopper (4) and is fixedly connected with the crushing hopper (4), a second spiral screw (21) is rotatably arranged in the conveying pipeline (20), a second bevel gear (22) is fixedly connected to the bottom end of the second spiral screw (21), a first spiral screw (16) is rotatably connected to the inside of the collecting box (15), a first bevel gear (19) is fixedly connected to one end of the first spiral screw (16), the first bevel gear (19) is meshed with the second bevel gear (22), a second connecting pipe (25) is fixedly connected between the bottom of the conveying pipeline (20) and the collecting box (15), and the collecting box (15) is communicated with the conveying pipeline (20) through the second connecting pipe (25).

3. The multi-stage grinding device for powdery feed according to claim 2, wherein one side of the screening box (12) is fixedly connected with a vibrating rod (18), and one end, far away from the first helical gear (19), of the first helical screw (16) is fixedly connected with a cam (17) matched with the vibrating rod (18).

4. The multi-stage grinding device for powdery feed according to claim 3, wherein the bottom of the fixed plate (8) is fixedly connected with a baffle plate (11), the screening box (12) is slidably connected inside the baffle plate (11), and one side of the baffle plate (11) is fixedly connected with the collecting box (15).

5. The multi-stage crushing and grinding device for powdery feed according to claim 1, wherein a driving motor (13) is fixedly connected to the bottom end inside the machine shell (1), the output end of the driving motor (13) penetrates through the screening box (12) and is movably connected with the screening box (12), the output end of the driving motor (13) is fixedly connected with the rotary grinding disc (10), a spring (14) is sleeved outside the output end of the driving motor (13), two ends of the spring (14) are respectively attached to the driving motor (13) and the screening box (12), an inclined plate (23) and a screening plate (24) are fixedly connected inside the screening box (12), and the lower end of the screening plate (24) is located at the top of the first spiral screw (16).

6. The multi-stage crushing and grinding device for powdery feed according to claim 1, wherein the bottom end inside the crushing hopper (4) is rotatably provided with a positive and negative spiral screw (6) matched with the crushing hopper (4), a first connecting pipe (7) is fixedly connected between the bottom center of the crushing hopper (4) and the top of the fixed millstone (9), and the fixed millstone (9) is communicated with the crushing hopper (4) through the first connecting pipe (7).

7. The multi-stage grinding device for powdery feed according to claim 3, wherein a motor (26) is fixedly connected to one side of the casing (1), the output end of the motor (26) is fixedly connected with the cam (17), a discharge port is formed in one side of the casing (1), and the discharge port is matched with the screening bin (12).