CN215234582U

CN215234582U - Grit reducing mechanism is used in concrete production

Info

Publication number: CN215234582U
Application number: CN202121443498.0U
Authority: CN
Inventors: 程晓光; 王琳
Original assignee: Luoyang Tengfei Building Materials Co ltd
Current assignee: Luoyang Tengfei Building Materials Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-12-21
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a gravel crushing device for concrete production, which relates to the relevant technical field of concrete production and comprises a crushing box, wherein the upper end of the crushing box is hermetically provided with a charging hopper, a crushing roller set and a rolling roller set are sequentially arranged from top to bottom above the inside of the crushing box, the front end of the crushing roller set extends out of the crushing box and is driven by a first gear set, and the rear end of the crushing roller set extends out of the crushing box and is driven by an external motor; the front end of the roller group extends out of the crushing box and is driven by a second gear group; has the advantages that: the crushing roller set is arranged to facilitate pulling down and crushing of the raw material, the rolling roller set rolls and crushes the raw material, the crushing efficiency is improved by combining the upper part and the lower part, and the situation that the raw material is not discharged is avoided; a vibrating motor is arranged to drive the sieve plate to rock sieve materials, raw materials which are not polished are discharged into the feed hopper from the discharge port, and can be crushed again after being lifted by the lifting screw shaft, so that the crushing efficiency is high; the material collecting box is convenient to collect and take materials, and is convenient to use.

Description

Grit reducing mechanism is used in concrete production

Technical Field

The utility model relates to a concrete production correlation technique field especially relates to a grit reducing mechanism is used in concrete production.

Background

Concrete production: the aggregate is cemented into an integral engineering composite material by a cementing material, the term concrete generally refers to cement concrete which is obtained by using cement as the cementing material, sand and stone as the aggregate, and mixing the aggregate with water, additives and admixtures in a certain proportion and stirring, and is also called common concrete.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a grit reducing mechanism is used in concrete production in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a gravel crushing device for concrete production comprises a crushing box, wherein a feeding hopper is hermetically mounted at the upper end of the crushing box, a crushing roller set and a rolling roller set are sequentially arranged above the inside of the crushing box from top to bottom, the front end of the crushing roller set extends out of the crushing box and is driven by a first gear set, and the rear end of the crushing roller set extends out of the crushing box and is driven by an external motor; the front end of the roller group extends out of the crushing box and is driven by a second gear set, and the rear end of the roller group extends out of the crushing box and is driven by an external motor; the crushing box is characterized in that a sieve plate is movably arranged in the middle of the inside of the crushing box, the sieve plate is obliquely arranged in a manner of being low at the left side and high at the right side, a baffle plate is fixedly installed at the right end of the sieve plate in a manner of extending out of the crushing box, a reset spring is fixedly installed between the upper part of the baffle plate and the crushing box, a mounting plate is fixedly installed on the side surface of the crushing box corresponding to the lower part of the baffle plate, a vibration motor is fixedly installed on the mounting plate, a cam is fixedly installed on an output shaft of the vibration motor and abuts against the lower part of the baffle plate, and a discharge hole is formed in the crushing box corresponding to the left end of the sieve plate; a material collecting box is arranged on the bottom surface inside the crushing box, and an opening is formed in the position, corresponding to the material collecting box, of the crushing box; smash the case left side and be provided with the lifting box, lifting box lower part corresponds the sieve below is provided with the feeder hopper, lifting box upper end fixed mounting has driving motor, driving motor's output extends to lifting box internal fixation has the promotion screw axis, lifting box upper portion side seal installs the feed back pipe, the feed back pipe is kept away from lifting box one end extends to the loading hopper top.

Preferably: the bottom surface of the feed hopper is an inclined surface which is convenient for materials to enter the bottom of the lifting box.

Preferably: the crushing roller faces of the crushing roller group are set to be hook teeth, and the distance between the crushing rollers of the crushing roller group is 1cm smaller than that between the crushing rollers of the crushing roller group.

Preferably: and teeth are fixedly arranged on the surface of the rolling roller group.

Preferably: the bottom surface of the material collecting box is fixedly provided with a clamping strip, and the bottom surface inside the crushing box is correspondingly provided with a clamping groove.

Compared with the prior art, the beneficial effects of the utility model reside in that: the crushing roller set is arranged to facilitate pulling down and crushing of the raw material, the rolling roller set rolls and crushes the raw material, the crushing efficiency is improved by combining the upper part and the lower part, and the situation that the raw material is not discharged is avoided; a vibrating motor is arranged to drive the sieve plate to rock sieve materials, raw materials which are not polished are discharged into the feed hopper from the discharge port, and can be crushed again after being lifted by the lifting screw shaft, so that the crushing efficiency is high; the material collecting box is convenient to collect and take materials, and is convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Figure 1 is the utility model discloses a grit reducing mechanism's for concrete production structural schematic diagram.

Figure 2 is the utility model discloses a grit reducing mechanism's for concrete production front view.

The reference numerals are explained below:

1. lifting the box; 2. a feed hopper; 3. lifting the screw shaft; 4. a drive motor; 5. a material return pipe; 6. a hopper; 7. a crushing roller set; 8. rolling the roller set; 9. a return spring; 10. a sieve plate; 11. a baffle plate; 12. a vibration motor; 13. a cam; 14. mounting a plate; 15. a discharge outlet; 16. a material collecting box; 17. clamping the strip; 18. a card slot; 19. a first gear set; 20. a second gear set; 21. and (5) a crushing box.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but not for indicating or implying that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention, and further that the terms "first", "second", etc., are used only for descriptive purposes and are not to indicate or imply relative importance or imply the number of technical features being referred to, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or the two elements may be connected through an intermediate medium, and the specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-2, a gravel crushing device for concrete production comprises a crushing box 21, wherein a feeding hopper 6 is hermetically installed at the upper end of the crushing box 21, the feeding hopper 6 is used for feeding, a crushing roller set 7 and a rolling roller set 8 are sequentially arranged from top to bottom inside the crushing box 21, the front end of the crushing roller set 7 extends out of the crushing box 21 and is driven by a first gear set 19, and the rear end of the crushing roller set 7 extends out of the crushing box 21 and is driven by an external motor; the front end of the roller set 8 extends out of the crushing box 21 and is driven by the second gear set 20, and the rear end of the roller set 8 extends out of the crushing box 21 and is driven by an external motor; the middle inside the crushing box 21 is movably provided with a sieve plate 10, the sieve plate 10 is used for sieving, the sieve plate 10 is obliquely arranged with a height from left to right, the right end of the sieve plate 10 extends out of the crushing box 21 and is fixedly provided with a baffle plate 11, the baffle plate 11 is used for supporting, a return spring 9 is fixedly arranged between the upper part of the baffle plate 11 and the crushing box 21, the return spring 9 is used for elastic connection, the side surface of the crushing box 21 is fixedly provided with a mounting plate 14 corresponding to the lower part of the baffle plate 11, the mounting plate 14 is used for fixing, the mounting plate 14 is fixedly provided with a vibrating motor 12, the vibrating motor 12 is used for driving vibration, an output shaft of the vibrating motor 12 is fixedly provided with a cam 13, the cam 13 is used for pushing, the cam 13 abuts against the lower part of the baffle plate 11, the left end of the crushing box 21 corresponding to the sieve plate 10 is provided with a discharge hole 15, and the discharge hole 15 is used for discharging materials; the bottom surface in the crushing box 21 is provided with a material collecting box 16, the material collecting box 16 is used for collecting materials, and the position of the crushing box 21 corresponding to the material collecting box 16 is provided with an opening; a lifting box 1 is arranged on the left side of the crushing box 21, a feeding hopper 2 is arranged on the lower portion of the lifting box 1 corresponding to the lower portion of the sieve plate 10, the feeding hopper 2 is used for receiving materials, a driving motor 4 is fixedly mounted at the upper end of the lifting box 1, the driving motor 4 is used for driving, a lifting screw shaft 3 is fixedly mounted in the lifting box 1 in a manner that the output end of the driving motor 4 extends to the inner side of the lifting box 1, the lifting screw shaft 3 is used for lifting materials, a material return pipe 5 is hermetically mounted on the side face of the upper portion of the lifting box, the material return pipe 5 is used for connection, and one end, far away from the lifting box 1, of the material return pipe 5 extends to the upper portion of the feeding hopper 6; the bottom surface of the feed hopper 2 is an inclined surface which is convenient for materials to enter the bottom of the lifting box 1; the crushing roller faces of the crushing roller group 7 are set as hook teeth, and the distance between the crushing rollers of the crushing roller group 8 is 1cm smaller than that between the crushing rollers of the crushing roller group 7; teeth are fixedly arranged on the surface of the rolling roller group 8; the bottom surface of the material collecting box 16 is fixedly provided with a clamping strip 17, and the bottom surface inside the crushing box 21 is correspondingly provided with a clamping groove 18, so that the material collecting box 16 can be taken out and stably loaded.

The working principle is as follows: when the material collecting device is used, an external power supply is electrified, an external motor drives the crushing roller group 7 and the rolling roller group 8 to rotate respectively, the crushing roller group 7 pulls raw materials downwards to crush, the rolling roller group 8 rolls and crushes the raw materials, the crushed raw materials fall on the sieve plate 10, the vibration motor 12 is started to drive the cam 13 to rotate, the cam 13 and the reset spring 9 are matched to pull the sieve plate 10, so that the raw materials are conveniently filtered and conveniently slide down along the sieve plate 10 to enter the feed hopper 2, the raw materials with the proper crushing degree pass through the sieve plate 10 to fall into the material collecting box 16, the driving motor 4 is started to drive the lifting screw shaft 3 to rotate to lift the raw materials with the insufficient crushing degree in the feed hopper 2, the raw materials enter the feed hopper 6 again from the material return pipe 5 to be crushed, and the reciprocating operation is carried out, so that the raw materials in the material collecting box 16 can be the raw materials with the crushing degree; when the collection box 16 is full, the collection box 16 can be removed by pulling.

Having shown and described the basic principles, essential features and advantages of the invention, it should be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are merely illustrative, but rather are intended to cover various changes and modifications within the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a grit reducing mechanism is used in concrete production, is including smashing case (21), its characterized in that: the feeding hopper (6) is hermetically installed at the upper end of the crushing box (21), a crushing roller set (7) and a rolling roller set (8) are sequentially arranged from top to bottom above the inside of the crushing box (21), the front end of the crushing roller set (7) extends out of the crushing box (21) and is driven by a first gear set (19), and the rear end of the crushing roller set (7) extends out of the crushing box (21) and is driven by an external motor; the front end of the roller group (8) extends out of the crushing box (21) and is driven by a second gear set (20), and the rear end of the roller group (8) extends out of the crushing box (21) and is driven by an external motor; the screen plate (10) is movably arranged in the middle of the inside of the crushing box (21), the screen plate (10) is arranged in a mode of being inclined from low left to high right, a baffle (11) is fixedly installed on the right end of the screen plate (10) in a extending mode, a reset spring (9) is fixedly installed between the upper portion of the baffle (11) and the crushing box (21), a mounting plate (14) is fixedly installed on the side face of the crushing box (21) corresponding to the lower portion of the baffle (11), a vibration motor (12) is fixedly installed on the mounting plate (14), a cam (13) is fixedly installed on an output shaft of the vibration motor (12), the cam (13) abuts against the lower portion of the baffle (11), and a discharge hole (15) is formed in the crushing box (21) corresponding to the left end of the screen plate (10); a material collecting box (16) is arranged on the bottom surface inside the crushing box (21), and an opening is formed in the position, corresponding to the material collecting box (16), of the crushing box (21); smash case (21) left side and be provided with lifting box (1), lifting box (1) lower part corresponds sieve (10) below is provided with feeder hopper (2), lifting box (1) upper end fixed mounting has driving motor (4), the output of driving motor (4) extends to fixed mounting has promotion screw axis (3) in lifting box (1), lifting box upper portion side seal installs feed back pipe (5), feed back pipe (5) are kept away from lifting box (1) one end extends to loading hopper (6) top.

2. The gravel crushing device for concrete production according to claim 1, wherein: the bottom surface of the feed hopper (2) is an inclined surface which is convenient for materials to enter the bottom of the lifting box (1).

3. The gravel crushing device for concrete production according to claim 1, wherein: the crushing roller faces of the crushing roller group (7) are set to be hook teeth, and the distance between the crushing rollers of the crushing roller group (8) is 1cm smaller than that between the crushing rollers of the crushing roller group (7).

4. The gravel crushing device for concrete production according to claim 3, wherein: and teeth are fixedly arranged on the surface of the rolling roller group (8).

5. The gravel crushing device for concrete production according to claim 1, wherein: the bottom surface of the material collecting box (16) is fixedly provided with a clamping strip (17), and the bottom surface inside the crushing box (21) is correspondingly provided with a clamping groove (18).