CN219616370U - Concrete crushing and sieving device - Google Patents

Abstract

The utility model belongs to the technical field of building materials, in particular to a concrete crushing and sieving device, which comprises a concrete crushing box; a concrete crushing roller is arranged in the concrete crushing box; the concrete crushing rollers are symmetrically arranged in a pair; a driving motor is arranged on the side wall of the concrete crushing box; the output end of the driving motor is fixedly connected with a first supporting shaft; the first support shaft is fixedly connected with the concrete crushing roller; according to the method, the first supporting frame and the concrete passing screen are arranged, the crushed concrete of the concrete crushing roller can be screened, and then the concrete with the unqualified granularity is screened out, and through the arrangement of the feeding groove, the conveying belt and the material conveying plate, the concrete with the unqualified granularity can be put into the concrete crushing roller again, the concrete with the unqualified granularity is crushed again, and then the difference of the granularity of the crushed concrete is reduced, so that the granularity of the produced concrete is more uniform, and the whole quality of new concrete is improved.

Description

Concrete crushing and sieving device

Technical Field

The utility model belongs to the technical field of building materials, and particularly relates to a concrete crushing and sieving device.

Background

The regeneration of the waste concrete is to crush, clean and grade the waste concrete blocks, mix with the grading according to a certain proportion, partially or completely replace natural aggregates such as sand and stone, and then add cement, water and the like to prepare the new concrete.

In the prior art, a common pulverizer is generally arranged into a structure of a plurality of groups of pulverizing rollers, large concrete blocks are poured onto the pulverizing rollers, and the pulverized concrete aggregate is obtained through continuous impact and crushing.

In long-time use observation, the concrete aggregate particle sizes processed in this way are found to have large differences, so that concrete aggregates with uniform particle sizes cannot be formed, and the process of processing the concrete aggregates into new concrete is affected.

To this end, the utility model provides a concrete pulverizing and sieving device.

Disclosure of Invention

In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a concrete crushing and sieving device, which comprises a concrete crushing box; a concrete crushing roller is arranged in the concrete crushing box; the concrete crushing rollers are symmetrically arranged in a pair; a driving motor is arranged on the side wall of the concrete crushing box; the output end of the driving motor is fixedly connected with a first supporting shaft; the first support shaft is fixedly connected with the concrete crushing roller; the middle part of the concrete crushing box is provided with a first supporting frame; the middle part of the first support frame is fixedly connected with a concrete screen; a discharge hole is formed in the side wall of the concrete crushing box; the side wall of the concrete crushing box is fixedly connected with a feeding groove; the feeding opening of the feeding groove corresponds to the discharging opening, and the discharging opening of the feeding groove is arranged above the pair of concrete crushing rollers; a conveyor belt is arranged in the middle of the feeding groove; the side wall of the conveyor belt is fixedly connected with a material conveying plate; the material conveying plates are multiple groups and are uniformly distributed on the side wall of the conveying belt; according to the method, the first supporting frame and the concrete passing screen are arranged, the crushed concrete of the concrete crushing roller can be screened, and then the concrete with the unqualified granularity is screened out, and through the arrangement of the feeding groove, the conveying belt and the material conveying plate, the concrete with the unqualified granularity can be put into the concrete crushing roller again, the concrete with the unqualified granularity is crushed again, and then the difference of the granularity of the crushed concrete is reduced, so that the granularity of the produced concrete is more uniform, and the whole quality of new concrete is improved.

Preferably, the side wall of the first support frame is fixedly connected with a sliding block; the inner side wall of the concrete crushing box is provided with a sliding groove; the sliding block slides in the sliding groove; saw teeth are fixedly connected to the bottom of the other side of the first support frame; the side wall of the concrete crushing box is fixedly connected with a second supporting frame; the top of the second support frame is fixedly connected with a forward and reverse rotation motor; the output end of the forward and backward rotating motor is fixedly connected with a gear; the gear corresponds to the saw-tooth; the step is through being equipped with saw tooth, positive and negative rotating electrical machines and gear, can drive first support frame and concrete and cross the screen cloth and carry out horizontal reciprocating motion in the concrete crushing incasement portion, and then promote the concrete and cross the screen cloth and to the effect of sieving of smashing back concrete, and then promote first support frame and concrete and cross the screen cloth and to the speed of sieving of smashing back concrete.

Preferably, the inner side wall of the concrete crushing box is fixedly connected with a third supporting frame; the third support frames are symmetrically arranged on two sides of the inner side wall of the concrete crushing box; a hairbrush is fixedly connected to the bottom of the third support frame; the bottom of the hairbrush is attached to the surface of the concrete sieving net; through being equipped with third support frame and brush, can pass the screen cloth at first support frame and concrete and sieving after the concrete after smashing, clear up the concrete sieve net surface, and then reduce the circumstances that the gap between screen cloth and the concrete crushing case was crossed to the concrete powder after smashing flies out from the concrete, and reduce the concrete powder adhesion and pass the screen cloth surface at the concrete, cause the circumstances that the concrete sieve net surface blockked up.

Preferably, a material collecting groove is arranged at the bottom of the inner side wall of the concrete crushing box; a handle is fixedly connected to the side wall of the material collecting groove; through being equipped with collecting tank and handle, can collect the qualified concrete powder of granularity, and then reduce the work load when the staff collects the concrete after smashing, promote the work efficiency when the staff collects the concrete after smashing.

Preferably, a rotating groove is formed in the bottom of the inner side wall of the concrete crushing box; the rotating grooves are in multiple groups and are distributed in parallel; a second supporting shaft is fixedly connected to the middle of the rotating groove; the second support shaft is rotatably connected with a roller; through being equipped with rotary tank, second back shaft and gyro wheel, can make the sliding contact of collection silo bottom and concrete crushing case inside wall bottom change rolling contact into, reduce the frictional force when collection silo and concrete crushing case contact, and then reduce the wearing and tearing when the concrete crushing case contacts with the groove that gathers materials, promote the life of this device.

Preferably, the inner side wall of the concrete crushing box is fixedly connected with a guide block; the guide blocks are symmetrically arranged on two sides of the inner side wall of the concrete crushing box; the guide block is arranged at the top of the inner side wall of the concrete crushing box; through being equipped with the guide block, can be when the staff is thrown in waste concrete and go up the silo to the unqualified concrete of granularity to the concrete crushing incasement portion, guide it, make it more accurate fall into between a pair of concrete crushing roller, make things convenient for the concrete crushing roller to smash waste concrete and the unqualified concrete of granularity.

The beneficial effects of the utility model are as follows:

1. according to the concrete crushing and sieving device, the first supporting frame and the concrete sieving net are arranged, so that the crushed concrete of the concrete crushing roller can be sieved, further the concrete with the unqualified granularity is sieved, the feeding groove, the conveying belt and the material conveying plate are arranged, the concrete with the unqualified granularity can be put into the concrete crushing roller again, the concrete with the unqualified granularity is crushed again, further the granularity difference of the crushed concrete is reduced, further the produced concrete granularity is more uniform, and the integral quality of new concrete is improved.

2. According to the concrete crushing and sieving device, the saw-shaped teeth, the forward and reverse rotating motor and the gears are arranged, so that the first support frame and the concrete sieving net can be driven to transversely reciprocate in the concrete crushing box, the sieving effect of the concrete sieving net on crushed concrete is improved, and the sieving speed of the first support frame and the concrete sieving net on crushed concrete is improved.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of the present utility model;

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

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic diagram of the structure of the loading chute of the present utility model;

FIG. 5 is a schematic view of the structure of the second embodiment;

in the figure: 1. a concrete pulverizing box; 11. a concrete pulverizing roller; 12. a driving motor; 13. a first support shaft; 15. a first support frame; 16. the concrete passes through a screen; 17. feeding a trough; 18. a conveyor belt; 19. a material conveying plate; 110. a discharge port; 2. a sliding groove; 21. a sliding block; 22. saw-tooth; 23. a second support frame; 24. a forward and reverse rotation motor; 25. a gear; 3. a third support frame; 31. a brush; 4. a material collecting groove; 41. a handle; 5. a rotating groove; 51. a second support shaft; 52. a roller; 6. a guide block; 7. anti-skid lines.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Example 1

As shown in fig. 1 to 4, a concrete pulverizing and sieving apparatus according to an embodiment of the present utility model includes a concrete pulverizing box 1; a concrete crushing roller 11 is arranged in the concrete crushing box 1; the concrete crushing rollers 11 are symmetrically arranged in a pair; a driving motor 12 is arranged on the side wall of the concrete crushing box 1; the output end of the driving motor 12 is fixedly connected with a first supporting shaft 13; the first supporting shaft 13 is fixedly connected with the concrete grinding roller 11; the middle part of the concrete crushing box 1 is provided with a first supporting frame 15; the middle part of the first supporting frame 15 is fixedly connected with a concrete screen 16; a discharge hole 110 is formed in the side wall of the concrete crushing box 1; the side wall of the concrete crushing box 1 is fixedly connected with a feeding groove 17; the feed inlet of the feeding groove 17 corresponds to the discharge outlet 110, and the discharge outlet of the feeding groove 17 is arranged above the pair of concrete crushing rollers 11; a conveyor belt 18 is arranged in the middle of the feeding groove 17; the side wall of the conveyor belt 18 is fixedly connected with a material conveying plate 19; the material conveying plates 19 are multiple groups and are uniformly distributed on the side wall of the conveying belt 18; during operation, the staff puts into the concrete from concrete crushing case 1 top that needs recovery processing and smashes incasement portion, and then start driving motor 12, driving motor 12 can drive concrete crushing roller 11 and rotate this moment, and then smash the processing to abandonment concrete, and then fall to the concrete and cross screen 16 surface, this moment concrete cross screen 16 can sieve the concrete after smashing, when the concrete granularity is not up to standard, can roll from the concrete and cross screen 16 and fall to discharge gate 110, and then fall to the interior of silo 17, at this moment conveyer belt 18 and pass the flitch 19 can upwards promote the concrete that the granularity is up to standard, and then fall to between a pair of concrete crushing roller 11 from the discharge end of silo 17, and then smash again to the concrete that the granularity is up to standard, this step can sieve the concrete after the concrete crushing roller 11, and then sieve the concrete that the granularity is up to standard, through being equipped with 17, conveyer belt 18 and pass through the flitch 19, can roll up to the concrete after the granularity is up to standard again to the crushed, the concrete is more evenly produced to the crushed granularity of the concrete is more evenly crushed, and the difference of the concrete production silo is further reduced.

The side wall of the first support frame 15 is fixedly connected with a sliding block 21; the inner side wall of the concrete crushing box 1 is provided with a sliding groove 2; the sliding block 21 slides inside the sliding groove 2; saw teeth 22 are fixedly connected to the bottom of the other side of the first support frame 15; the side wall of the concrete crushing box 1 is fixedly connected with a second supporting frame 23; the top of the second supporting frame 23 is fixedly connected with a forward and reverse rotation motor 24; the output end of the forward and backward rotation motor 24 is fixedly connected with a gear 25; the gear 25 corresponds to the saw tooth 22; during operation, when the concrete passes through the screen cloth 16 to screen the concrete, the positive and negative rotating motor 24 can drive the gear 25 to carry out positive and negative rotation, and then the gear 25 can drive the first support frame 15 to carry out transverse reciprocating motion through the saw-shaped teeth 22, the positive and negative rotating motor 24 and the gear 25, and this step can drive the first support frame 15 and the concrete to pass through the screen cloth 16 to carry out transverse reciprocating motion in the concrete crushing box 1, and then the screening effect of the concrete screen cloth 16 on the crushed concrete is improved, and then the screening speed of the first support frame 15 and the concrete screen cloth 16 on the crushed concrete is improved.

The inner side wall of the concrete crushing box 1 is fixedly connected with a third supporting frame 3; the third support frames 3 are symmetrically arranged on two sides of the inner side wall of the concrete crushing box 1; the bottom of the third support frame 3 is fixedly connected with a hairbrush 31; the bottom of the brush 31 is attached to the surface of the concrete screen 16; during operation, through being equipped with third support frame 3 and brush 31, can pass screen cloth 16 surface to the concrete when first support frame 15 and concrete pass screen cloth 16 to the concrete after smashing clear up, and then reduce the circumstances that the concrete powder after smashing flies out from the gap between screen cloth 16 and the concrete smashing case 1, and reduce the concrete powder adhesion and pass screen cloth 16 surface at the concrete, cause the circumstances that screen cloth 16 surface was crossed to the concrete to jam.

The bottom of the inner side wall of the concrete crushing box 1 is provided with a collecting groove 4; a handle 41 is fixedly connected to the side wall of the material collecting tank 4; during operation, through being equipped with collection silo 4 and handle 41, can collect the qualified concrete powder of granularity, and then reduce the work load when the staff collects the concrete after smashing, promote the work efficiency when the staff collects the concrete after smashing.

The bottom of the inner side wall of the concrete crushing box 1 is provided with a rotary groove 5; the rotating grooves 5 are in a plurality of groups and are distributed in parallel; a second supporting shaft 51 is fixedly connected to the middle of the rotating groove 5; the second support shaft 51 is rotatably connected with a roller 52; during operation, through being equipped with rotary tank 5, second back shaft 51 and gyro wheel 52, can make the sliding contact of collecting tank 4 bottom and concrete crushing case 1 inside wall bottom change into rolling contact, reduce the frictional force when collecting tank 4 and concrete crushing case 1 contact, and then reduce the wearing and tearing when concrete crushing case 1 and collecting tank 4 contact, promote the life of this device.

The inner side wall of the concrete crushing box 1 is fixedly connected with a guide block 6; the guide blocks 6 are symmetrically arranged on two sides of the inner side wall of the concrete crushing box 1; the guide block 6 is arranged at the top of the inner side wall of the concrete crushing box 1; during operation, through being equipped with guide block 6, can be when the staff is thrown in the concrete of abandonment concrete and material loading groove 17 to the unqualified concrete of granularity to concrete crushing case 1 inside, guide it, make it more accurate fall into between a pair of concrete crushing roller 11, make things convenient for concrete crushing roller 11 to smash abandonment concrete and the unqualified concrete of granularity.

Example two

As shown in fig. 5, in comparative example one, another embodiment of the present utility model is: the side wall of the handle 41 is fixedly connected with an anti-skid pattern 7; the skid resistant patterns 7 are multiple groups and are distributed in an annular shape; during operation, through being equipped with anti-skidding line 7 at the handle 41 lateral wall, can increase frictional force when handle 41 and staff's hand contact, this step can promote 41 frictional force when contacting with the staff, reduces the possibility that this device slipped when using.

During operation, the waste concrete that the staff will need recovery processing is put into the concrete from concrete crushing case 1 top and is smashed case 1 inside, and then start driving motor 12, driving motor 12 can drive concrete crushing roller 11 and rotate this moment, and then smash the processing to waste concrete, and then fall to the concrete and cross the screen cloth 16 surface, this moment concrete cross screen cloth 16 can sieve the concrete after smashing, when the concrete granularity is not up to standard, can roll from the concrete and cross screen cloth 16 and fall to discharge gate 110, and then fall to the material loading groove 17 inside, at this moment conveyer belt 18 and pass flitch 19 can upwards promote the concrete that the granularity is not up to standard, and then fall to between a pair of concrete crushing roller 11 from the discharge end of material loading groove 17, and then break again the concrete that the granularity is not up to standard, when the concrete cross screen cloth 16 sieves the concrete, positive and negative rotation motor 24 can drive gear 25 and then gear 25 can drive first support frame 15 through saw tooth 22 and carry out horizontal reciprocating motion.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A concrete crushing and sieving device comprises a concrete crushing box (1); the method is characterized in that: a concrete crushing roller (11) is arranged in the concrete crushing box (1); the concrete crushing rollers (11) are symmetrically arranged in a pair; a driving motor (12) is arranged on the side wall of the concrete crushing box (1); the output end of the driving motor (12) is fixedly connected with a first supporting shaft (13); the first supporting shaft (13) is fixedly connected with the concrete crushing roller (11); the middle part of the concrete crushing box (1) is provided with a first supporting frame (15); the middle part of the first supporting frame (15) is fixedly connected with a concrete screen (16); a discharge hole (110) is formed in the side wall of the concrete crushing box (1); the side wall of the concrete crushing box (1) is fixedly connected with a feeding groove (17); the feeding hole of the feeding groove (17) corresponds to the discharging hole (110), and the discharging hole of the feeding groove (17) is arranged above the pair of concrete crushing rollers (11); a conveyor belt (18) is arranged in the middle of the feeding groove (17); a material conveying plate (19) is fixedly connected to the side wall of the conveying belt (18); the material conveying plates (19) are multiple groups and are uniformly distributed on the side wall of the conveying belt (18).

2. A concrete pulverizing and sieving apparatus as defined in claim 1, wherein: a sliding block (21) is fixedly connected to the side wall of the first support frame (15); the inner side wall of the concrete crushing box (1) is provided with a sliding groove (2); the sliding block (21) slides in the sliding groove (2); saw-shaped teeth (22) are fixedly connected to the bottom of the other side of the first supporting frame (15); the side wall of the concrete crushing box (1) is fixedly connected with a second supporting frame (23); the top of the second supporting frame (23) is fixedly connected with a forward and reverse rotation motor (24); the output end of the forward and backward rotating motor (24) is fixedly connected with a gear (25); the gear (25) corresponds to the saw tooth (22).

3. A concrete pulverizing and sieving apparatus as defined in claim 2, wherein: the inner side wall of the concrete crushing box (1) is fixedly connected with a third supporting frame (3); the third support frames (3) are symmetrically arranged on two sides of the inner side wall of the concrete crushing box (1); a hairbrush (31) is fixedly connected to the bottom of the third support frame (3); the bottom of the hairbrush (31) is attached to the surface of the concrete screen (16).

4. A concrete pulverizing and sieving apparatus as defined in claim 3, further comprising: a collecting groove (4) is arranged at the bottom of the inner side wall of the concrete crushing box (1); the side wall of the collecting tank (4) is fixedly connected with a handle (41).

5. A concrete pulverizing and sieving apparatus as defined in claim 4, wherein: a rotating groove (5) is formed in the bottom of the inner side wall of the concrete crushing box (1); the rotating grooves (5) are in a plurality of groups and are distributed in parallel; a second supporting shaft (51) is fixedly connected to the middle of the rotating groove (5); the second support shaft (51) is rotatably connected with a roller (52).

6. A concrete pulverizing and sieving apparatus as defined in claim 5, wherein: the inner side wall of the concrete crushing box (1) is fixedly connected with a guide block (6); the guide blocks (6) are symmetrically arranged on two sides of the inner side wall of the concrete crushing box (1); the guide block (6) is arranged at the top of the inner side wall of the concrete crushing box (1).