Raw material sieving and impurity removing device for mortar production

Abstract

The utility model discloses a raw material sieving and impurity-removing device for mortar production, which comprises a raw material crushing case, a spiral cutting mechanism is mounted in the raw material crushing case, a conveying mechanism is mounted below a discharge chute pipe, a vibration sieving mechanism is mounted on one side of the conveying mechanism, and the vibration sieving mechanism is mounted on the other side of the conveying mechanism. The vibration screening mechanism comprises a first screening plate and a second screening plate, a fine material screening net structure is arranged on the surface of the first screening plate, and the surface of the first screening plate is of a solid plate body structure. After raw materials for mortar production are prefabricated, cut and smashed, raw material particles are filtered through the filter material screen and then are conveyed into the vibration screening mechanism through the conveying mechanism, and the raw material particles falling onto the surface of the first screen plate are subjected to vibration screening; fine gravel raw materials can be screened through the fine material screen structure and fall onto the surface of the second screen plate, then large-particle impurities are discharged through the coarse aggregate impurity outlet, and fine-particle gravel powder is discharged through the gravel fine material outlet.

Description

TECHNICAL FIELD

[0001] The utility model relates to mortar raw material production technical field, concretely is a kind of raw material screening and impurity removing device for mortar production. BACKGROUND

[0002] Self-leveling mortar is a kind of dry-mixed powder material composed of active ingredients. During production, the raw materials need to be screened and impurities removed. There are various raw material screening and impurity removing devices for self-leveling mortar production on the market, but some problems still exist.

[0003] A raw material screening and impurity removing device for self-leveling mortar production is disclosed in a Chinese authorized patent document with the publication number CN213494872U. The device includes an outer frame, a feeding pipe, a drive motor, and a conveyor belt. The outer frame has a feeding pipe welded to its upper side. The drive motor has a connecting wheel installed on its rear side, which is tightly attached to a connecting frame on its outer side. The connecting wheel has a conveyor belt installed on its rear side. The connecting frame has a push plate welded to its right side, and the push plate has one end of a spring integrated inside it. The limiting plate has an installation plate tightly attached to its outer side, and the installation plate has a screening plate fixed to its side away from the push plate. The screening plate has a connecting plate tightly attached to its right outer side. This raw material screening and impurity removing device for self-leveling mortar production can effectively push the screening plate, has good screening efficiency, can effectively concentrate the filtered impurities, is convenient to clean, easy to operate, and can be disassembled and replaced according to the screening needs, with a stable structure.

[0004] The above-mentioned prior art cannot quickly classify and collect sandstone fines and coarse aggregate impurities in mortar raw materials, which can easily cause the mixing of aggregates with different particle sizes. Therefore, a new raw material screening and impurity removing device for mortar production needs to be developed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a raw material screening and impurity removing device for mortar production to solve the problem of the above-mentioned prior art that cannot quickly classify and collect sandstone fines and coarse aggregate impurities in mortar raw materials, which can easily cause the mixing of aggregates with different particle sizes.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a raw material screening and impurity removing device for mortar production, which includes a raw material pulverizer box. The raw material pulverizer box has a spiral cutting mechanism installed inside it. The bottom end of the raw material pulverizer box has a discharge chute pipe installed. The connection between the discharge chute pipe and the raw material pulverizer box is provided with a filter screen. The discharge chute pipe has a transportation mechanism installed below it. The transportation mechanism has a vibrating screening mechanism installed on one side. The discharge end of the transportation mechanism is connected to the vibrating screening mechanism through a discharge chute. The vibrating screening mechanism includes a first screen plate and a second screen plate. The surface of the first screen plate is provided with a fine material screen structure. The surface of the first screen plate is a solid plate structure.

[0007] Preferably, a feed hopper is installed on the top of the raw material crushing machine box, and a cutting operation motor is installed outside the raw material crushing machine box. The output end of the cutting operation motor is fixedly connected to the spiral cutting mechanism through a rotating shaft.

[0008] Preferably, one end of the first sieve plate is provided with a coarse aggregate impurity outlet, and one end of the second sieve plate is provided with a sand and gravel fine material outlet.

[0009] Preferably, the first sieve plate and the second sieve plate are fixed by welding, the side surface of the second sieve plate is fixedly connected to the transmission rod by bolts, and the transmission rod is connected to the runner structure through a locking shaft.

[0010] Preferably, a driving motor is installed outside the vibrating screening mechanism, and the output end of the driving motor is connected to a driving wheel via a rotating shaft.

[0011] Preferably, the surface of the driving wheel is connected to a driven wheel via a belt, and the driven wheel is connected to the rotating wheel structure via a rotating shaft.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model pre-cuts and crushes the raw materials for mortar production, filters the raw material particles through a filter screen, and then sends them to the inside of a vibrating screening mechanism through a transport mechanism. The raw material particles that fall onto the surface of the first sieve plate are vibrated and screened, and the finer sand and gravel raw materials can be screened through the fine material screen structure and fall onto the surface of the second sieve plate. Subsequently, larger particles of impurities are discharged through the coarse aggregate impurity outlet, and finer particles of sand and gravel powder are discharged through the sand and gravel fine material outlet, thereby enabling aggregates of different particle sizes to be classified and discharged. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Fig. 1 This is the overall front view of the utility model;

[0015] Fig. 2 This is a schematic diagram of the structure of the vibrating screening mechanism of the present utility model;

[0016] Fig. 3 This is a schematic diagram of the front end structure of the vibrating screening mechanism of the present invention.

[0017] In the figure: 1. Cutting operation motor; 2. Spiral cutting mechanism; 3. Raw material crushing machine box; 4. Feed hopper; 5. Filter screen; 6. Discharge chute; 7. Discharge chute; 8. Vibrating screening mechanism; 9. Transport mechanism; 10. Coarse aggregate impurity outlet; 11. Sand and gravel fine material outlet; 12. First screen plate; 13. Fine material screen structure; 14. Transmission rod; 15. Locking shaft; 16. Rotary wheel structure; 17. Rotating shaft; 18. Driven wheel; 19. Drive motor; 20. Driving wheel; 21. Belt; 22. Second screen plate. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] See also Figs. 1-3 The utility model provides an embodiment: a raw material screening and impurity removal device for mortar production, comprising a raw material crushing box 3, a spiral cutting mechanism 2 is installed inside the raw material crushing box 3, a discharge chute pipe 6 is installed at the bottom end of the raw material crushing box 3, a filter screen 5 is provided at the connection between the discharge chute pipe 6 and the raw material crushing box 3, a transport mechanism 9 is installed below the discharge chute pipe 6, a vibrating screening mechanism 8 is installed on one side of the transport mechanism 9, the discharge end of the transport mechanism 9 is connected to the vibrating screening mechanism 8 through a discharge chute 7, the vibrating screening mechanism 8 comprises a first sieve plate 12 and a second sieve plate 22, the surface of the first sieve plate 12 is provided with a fine material screen structure 13, and the surface of the first sieve plate 12 is a solid plate structure.

[0020] Furthermore, a feed hopper 4 is installed at the top of the raw material crushing box 3, which is convenient for pouring the raw materials for mortar production to be processed from the feed hopper 4 into the raw material crushing box 3. A cutting operation motor 1 is installed on the outside of the raw material crushing box 3. The output end of the cutting operation motor 1 is fixedly connected to the spiral cutting mechanism 2 through a rotating shaft. By turning on the cutting operation motor 1, the spiral cutting mechanism 2 can be driven and controlled to rotate rapidly, which is convenient for spiral cutting and crushing the raw materials for mortar production that fall into the raw material crushing box 3.

[0021] Furthermore, a coarse aggregate impurity outlet 10 is provided at one end of the first sieve plate 12, and a sand and gravel fine material outlet 11 is provided at one end of the second sieve plate 22. By vibrating and screening the vibrating screening mechanism 8, larger particles of impurities are discharged through the coarse aggregate impurity outlet 10, and finer particles of sand and gravel powder are discharged through the sand and gravel fine material outlet 11.

[0022] Further, the first sieve plate 12 and the second sieve plate 22 are fixed by welding, the side surface of the second sieve plate 22 is connected with the transmission rod 14 through bolt fixing, the transmission rod 14 is connected with the rotating wheel structure 16 through the locking shaft 15, under the action of the driving motor 19, the rotating wheel structure 16 can be driven and controlled to rotate, and the rotating wheel structure 16 drives the first sieve plate 12 and the second sieve plate 22 to vibrate through the transmission rod 14.

[0023] Further, the driving motor 19 is externally installed on the vibrating screening mechanism 8, the output end of the driving motor 19 is connected with the driving wheel 20 through the rotating shaft, the surface of the driving wheel 20 is connected with the driven wheel 18 through the belt 21, and the driven wheel 18 is connected with the rotating wheel structure 16 through the rotating shaft 17.

[0024] Working principle: when in use, the raw materials for mortar production to be processed are poured into the raw material pulverizer box 3 from the feeding hopper 4, the spiral cutting mechanism 2 can be driven and controlled to rotate quickly by starting the cutting operation motor 1, so that the raw materials for mortar production falling into the raw material pulverizer box 3 can be spiral cut and crushed, the bottom end of the raw material pulverizer box 3 is provided with the discharge chute pipe 6, the connection part between the discharge chute pipe 6 and the raw material pulverizer box 3 is provided with the filter screen 5, the filter screen 5 is used to ensure that the raw materials are fully cut, only the raw materials reaching a relatively fine particle size can pass through the filter screen 5 and fall onto the conveying mechanism 9, fall into the vibrating screening mechanism 8 through the discharge chute 7, and then the driving motor 19 is started, the rotating wheel structure 16 can be driven and controlled to rotate under the action of the driving motor 19, and the rotating wheel structure 16 drives the first sieve plate 12 and the second sieve plate 22 to vibrate through the transmission rod 14, since the surface of the first sieve plate 12 is provided with the fine material screen structure 13, the surface of the first sieve plate 12 is a solid plate structure, the fine sandstone raw materials can be screened and fall onto the surface of the second sieve plate 22 through the fine material screen structure 13, then the impurities with large particles are discharged through the coarse aggregate impurity outlet 10, and the fine-grained sandstone powder is discharged through the sandstone fine material outlet 11, so that the aggregate with different particle sizes can be classified and discharged.

[0025] It should be noted that, in the present document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

Claims

1. A raw material screening and impurity removal device for mortar production, comprising a raw material crushing box (3), characterized in that: A spiral cutting mechanism (2) is installed inside the raw material crushing box (3), a discharge chute pipe (6) is installed at the bottom end of the raw material crushing box (3), a filter screen (5) is provided at the connection between the discharge chute pipe (6) and the raw material crushing box (3), a transport mechanism (9) is installed below the discharge chute pipe (6), a vibrating screening mechanism (8) is installed on one side of the transport mechanism (9), the discharge end of the transport mechanism (9) is connected to the vibrating screening mechanism (8) through a discharge chute (7), the vibrating screening mechanism (8) comprises a first sieve plate (12) and a second sieve plate (22), the surface of the first sieve plate (12) is provided with a fine material screen structure (13), and the surface of the first sieve plate (12) is a solid plate structure.

2. The raw material screening and impurity removal device for mortar production according to claim 1, characterized in that: A feed hopper (4) is installed at the top of the raw material crushing machine box (3), and a cutting operation motor (1) is installed outside the raw material crushing machine box (3). The output end of the cutting operation motor (1) is fixedly connected to the spiral cutting mechanism (2) through a rotating shaft.

3. The raw material screening and impurity removal device for mortar production according to claim 1, characterized in that: One end of the first sieve plate (12) is provided with a coarse aggregate impurity outlet (10), and one end of the second sieve plate (22) is provided with a sand and gravel fine material outlet (11).

4. The raw material screening and impurity removal device for mortar production according to claim 1, characterized in that: The first sieve plate (12) and the second sieve plate (22) are fixed by welding, the side surface of the second sieve plate (22) is fixedly connected to a transmission rod (14) by bolts, and the transmission rod (14) is connected to a rotating wheel structure (16) via a locking shaft (15).

5. The raw material screening and impurity removal device for mortar production according to claim 1, characterized in that: A driving motor (19) is installed outside the vibrating screening mechanism (8), and an output end of the driving motor (19) is connected to a driving wheel (20) via a rotating shaft.

6. The raw material screening and impurity removal device for mortar production according to claim 5, characterized in that: The surface of the driving wheel (20) is connected to a driven wheel (18) via a belt (21), and the driven wheel (18) is connected to the rotating wheel structure (16) via a rotating shaft (17).

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