CN219043353U

CN219043353U - Sand and stone crusher for concrete production

Info

Publication number: CN219043353U
Application number: CN202223061250.5U
Authority: CN
Inventors: 卢尚乐
Original assignee: Leizhou Guoyang Building Materials Co ltd
Current assignee: Leizhou Guoyang Building Materials Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-05-19
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a sand and stone pulverizer for concrete production, and relates to the technical field of pulverizers. The sand and gravel crushing machine comprises a box body, wherein a first crushing roller is fixedly arranged at the position, close to the upper side, of the left side of the front inner wall and the rear inner wall of the box body, a first adjusting mechanism is fixedly arranged on the corresponding right side wall of the box body, a second crushing roller is arranged at the left end of the first adjusting mechanism, a third crushing roller is fixedly arranged at the position, close to the middle, of the left side of the front inner wall and the rear inner wall of the box body, a screen is arranged at the position, close to the lower side, of the lower inner wall of the box body, through the buffer mechanism, the sand and gravel crushing machine can crush sand and gravel twice, so that crushing efficiency is higher, crushing effect is better, meanwhile, the specification of crushed sand and gravel can be adjusted, the crushed sand and gravel can meet the use requirement of corresponding concrete, the practicability is strong, large particles in the crushed sand and gravel can be sunk out, and the sand and gravel crushing quality is further improved, and the sand and gravel crushing machine is beneficial to use.

Description

Sand and stone crusher for concrete production

Technical Field

The utility model relates to the technical field of crushers, in particular to a sand crusher for concrete production.

Background

Along with the promotion of economic development and urbanization, concrete engineering is more nowadays, and in the production process of concrete, the gravel is needed to be used, so that the concrete is more stable in use, the gravel, cement and water are required to be fully mixed in production, the use of construction is facilitated, and when the gravel is used, a pulverizer is often needed to pulverize the gravel, so that the specification of the pulverized gravel meets the use requirement.

Among the prior art, traditional grit grinder for concrete production has the function of smashing the grit once more, leads to the crushing effect of grit not good, can't adjust the kibbling specification of grit simultaneously according to the user demand, uses inconveniently, still has large granule grit in the grit after the grit is smashed, can't be with the unable large granule grit that can not satisfy the use of grit sunning out in the grit of grinder, big and small grit mixes together, leads to the crushing quality of grit not good.

Disclosure of Invention

The utility model provides a sand and stone crusher for concrete production, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gravel crusher for concrete production, includes the box, box upper surface installs the loading hopper, the box front and back inner wall left side is close to the upside position fixed mounting and has first crushing roller, and the corresponding box right side wall on first crushing roller right side is last to be fixed mounting has first adjustment mechanism, install the second crushing roller on the end of first adjustment mechanism left side, the box front and back inner wall left side is close to the middle part position fixed mounting and has the third crushing roller, and the corresponding box right side wall on third crushing roller right side is last to be fixed mounting has second adjustment mechanism, install the fourth crushing roller on the end of second adjustment mechanism left side, first crushing roller and third crushing roller all are connected with first actuating mechanism transmission, fixed mounting has the movable plate between the input shaft of second crushing roller and fourth crushing roller, the movable plate is fixedly provided with a bracket, the bracket is provided with a second driving mechanism, the second driving mechanism is in transmission connection with a second crushing roller and a fourth crushing roller, the lower side inner wall of the box body is close to the lower side and is provided with a screen through a buffer mechanism, the right side wall of the box body corresponding to the screen is provided with a discharge hole, the right end of the screen is inserted into the outer side of the right side wall of the box body through the discharge hole, the lower surface fixed mounting of screen cloth has vibrating motor, the front and back inner wall of box is close to the downside position and installs first guide plate, fixed mounting has screw conveyer on the corresponding box downside inner wall of first guide plate, and screw conveyer upper surface is open structure, screw conveyer's left side end inserts and locates the box left side wall outside.

Further, the left side wall and the right side wall of the box body at the lower sides of the first crushing roller and the second crushing roller are fixedly provided with second guide plates.

Further, first adjustment mechanism includes electric telescopic handle, mounting bracket and spout, electric telescopic handle fixed mounting is on the box right side wall, electric telescopic handle's piston left surface fixed mounting has the mounting bracket, the spout has been seted up on the inner wall around the corresponding box of mounting bracket, lateral wall movable mounting is in the spout around the mounting bracket, the end is installed around the second crushing roller on the lateral wall around the mounting bracket, second adjustment mechanism is the same with first adjustment mechanism structure.

Further, the first driving mechanism comprises a driving motor, a driving wheel, a belt and a driven wheel, the driving motor is fixedly arranged on the left side face of the box body, two driving wheels are arranged on an output shaft of the driving motor and are respectively connected with the two driven wheels through the two belts, the driven wheels are arranged on input shafts of the first crushing roller and the third crushing roller, and the second driving mechanism is identical to the first driving mechanism in structure.

Further, a third guide plate is fixedly arranged on the inner wall of the right side of the box body at the lower side of the fourth crushing roller.

Further, the buffer mechanism comprises a fixed block and a spring, wherein the fixed block is rectangular and fixedly arranged on the left inner wall and the right inner wall of the box body, and the upper surface of the fixed block is fixedly connected with the lower surface of the screen through the spring.

Compared with the prior art, the utility model provides the sand and stone crusher for concrete production, which has the following beneficial effects:

1. this grit grinder is used in concrete production can tentatively smash the grit through setting up first crushing roller and second crushing roller, and rethread third crushing roller and fourth crushing roller can carry out secondary crushing to the grit, make kibbling efficiency higher, and crushing effect is better, drive second crushing roller and fourth crushing roller through first adjustment mechanism and second adjustment mechanism and control the removal, reach the effect of adjusting the interval between first crushing roller and second crushing roller and third crushing roller and the fourth crushing roller, can adjust the crushing specification of smashing the grit, satisfy multiple concrete user demand.

2. This grit grinder is used in concrete production drives the screen cloth through setting up vibrating motor and vibrates on buffer gear, can be with the large granule thing sunning out in the grit after smashing, further improves grit crushing quality, does benefit to the use.

3. This grit grinder is used in concrete production is through setting up screw conveyer with the grit delivery after smashing, effectively avoids the discharge pipe blocking phenomenon that the grit piled up and leads to take place.

Drawings

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

fig. 2 is the view of fig. 2 of the present utility model.

In the figure: 1. a case; 2. a hopper; 3. a first pulverizing roller; 4. a first adjustment mechanism; 401. an electric telescopic rod; 402. a mounting frame; 403. a chute; 5. a second pulverizing roller; 6. a third pulverizing roller; 7. a second adjustment mechanism; 8. a fourth pulverizing roller; 9. a first driving mechanism; 901. a driving motor; 902. a driving wheel; 903. a belt; 904. driven wheel; 10. a moving plate; 11. a bracket; 12. a second driving mechanism; 13. a buffer mechanism; 131. a fixed block; 132. a spring; 14. a screen; 15. a discharge port; 16. a vibration motor; 17. a first deflector; 18. a screw conveyor; 19. a second deflector; 20. and a third deflector.

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.

Referring to fig. 1 and 2, the utility model discloses a sand and stone crusher for concrete production, comprising a box 1, wherein a hopper 2 is arranged on the upper surface of the box 1, a first crushing roller 3 is fixedly arranged on the left side close to the upper side of the front and rear inner walls of the box 1, a first adjusting mechanism 4 is fixedly arranged on the right side wall of the box 1 corresponding to the right side of the first crushing roller 3, a second crushing roller 5 is arranged on the left end of the first adjusting mechanism 4, a third crushing roller 6 is fixedly arranged on the left side close to the middle of the front and rear inner walls of the box 1, a second adjusting mechanism 7 is fixedly arranged on the right side wall of the box 1 corresponding to the right side of the third crushing roller 6, a fourth crushing roller 8 is arranged on the left end of the second adjusting mechanism 7, strip holes are formed on the front side wall of the box 1 corresponding to the input shafts of the second crushing roller 5 and the fourth crushing roller 8, the first crushing roller 3 and the third crushing roller 6 are in transmission connection with the first driving mechanism 9, a moving plate 10 is fixedly arranged between the input shafts of the second crushing roller 5 and the fourth crushing roller 8, a bracket 11 is fixedly arranged on the moving plate 10, a second driving mechanism 12 is arranged on the bracket 11, the second driving mechanism 12 is in transmission connection with the second crushing roller 5 and the fourth crushing roller 8, a screen 14 is arranged on the lower side inner wall of the box body 1 close to the lower side through a buffer mechanism 13, a discharge hole 15 is arranged on the right side wall of the box body 1 corresponding to the screen 14, the right end of the screen 14 is inserted into the outer side of the right side wall of the box body 1 through the discharge hole 15, a vibrating motor 16 is fixedly mounted on the lower surface of the screen 14, a first guide plate 17 is mounted on the front and rear inner walls of the box body 1 close to the lower side, a screw conveyor 18 is fixedly mounted on the lower inner wall of the box body 1 corresponding to the first guide plate 17, the upper surface of the screw conveyor 18 is of an opening structure, and the left end of the screw conveyor 18 is inserted into the outer side of the left side wall of the box body 1.

Specifically, the left and right side walls of the box body 1 below the first crushing roller 3 and the second crushing roller 5 are fixedly provided with second guide plates 19.

In this embodiment, the second deflector 19 enables the sand crushed by the first crushing roller 3 and the second crushing roller 5 to fall accurately between the third crushing roller 6 and the fourth crushing roller 8.

Specifically, the first adjustment mechanism 4 includes electric telescopic handle 401, mounting bracket 402 and spout 403, electric telescopic handle 401 fixed mounting is on box 1 right side wall, piston left surface fixed mounting of electric telescopic handle 401 has mounting bracket 402, spout 403 has been seted up on the inner wall around the corresponding box 1 of mounting bracket 402, lateral wall movable mounting is in spout 403 around the mounting bracket 402, the end is installed around the second crushing roller 5 on lateral wall around mounting bracket 402, second adjustment mechanism 7 is the same with first adjustment mechanism 4 structure.

In this embodiment, the piston of the electric telescopic rod 401 drives the mounting frame 402 to move left and right in the sliding groove 403, so that the mounting frame 402 drives the second crushing roller 5 to move left and right, the effect of adjusting the distance between the second crushing roller 5 and the first crushing roller 3 is achieved, meanwhile, the second crushing roller 5 drives the moving plate 10 to move left and right, the second adjusting mechanism 7 adjusts the distance between the fourth crushing roller 8 and the third crushing roller 6, the fourth crushing roller 8 drives the moving plate 10 to move left and right, the moving plate 10 drives the second driving mechanism 12 to move left and right through the bracket 11, and the electric telescopic rod 401 in the first adjusting mechanism 4 and the second adjusting mechanism 7 synchronously works.

Specifically, the first driving mechanism 9 includes a driving motor 901, a driving wheel 902, a belt 903 and a driven wheel 904, the driving motor 901 is fixedly mounted on the left side surface of the box body 1, two driving wheels 902 are mounted on an output shaft of the driving motor 901, the two driving wheels 902 are respectively connected with the two driven wheels 904 through the two belts 903, the driven wheels 904 are mounted on input shafts of the first crushing roller 3 and the third crushing roller 6, and the second driving mechanism 12 has the same structure as the first driving mechanism 9.

In this embodiment, the output shaft of the driving motor 901 drives two driving wheels 902 to rotate, the driving wheels 902 drive driven wheels 904 to rotate through a belt 903, so that the two driven wheels 904 drive the first crushing roller 3 and the third crushing roller 6 to rotate respectively, and similarly, the second driving mechanism 12 drives the upper and lower second crushing roller 5 and the fourth crushing roller 8 to rotate, and the first driving mechanism 9 and the second driving mechanism 12 rotate in opposite directions.

Specifically, a third deflector 20 is fixedly installed on the inner wall of the right side of the box body 1 below the fourth crushing roller 8.

In this embodiment, the third deflector 20 allows the sand crushed by the third crushing roller 6 and the fourth crushing roller 8 to fall on the left end of the screen 14, so that the sand can be screened better.

Specifically, the buffer mechanism 13 includes a fixing block 131 and a spring 132, the fixing block 131 is fixedly mounted on the left and right inner walls of the box 1 in a rectangular shape, and the upper surface of the fixing block 131 is fixedly connected with the lower surface of the screen 14 through the spring 132.

In this embodiment, the fixing block 131 is convenient to fix the spring 132, and the spring 132 enables the screen 14 to have a vibrating function, so that the screen 14 is conveniently driven by the vibrating motor 16 to perform screening.

When in use, according to the use requirement of concrete, the electric telescopic rod 401 piston in the first adjusting mechanism 4 drives the mounting frame 402 to move left and right in the sliding groove 403, so that the mounting frame 402 drives the second crushing roller 5 to move left, the effect of adjusting the distance between the second crushing roller 5 and the first crushing roller 3 is achieved, meanwhile, the second crushing roller 5 drives the moving plate 10 to move left and right, the second adjusting mechanism 7 synchronously drives the fourth crushing roller 8 to move left, the distance between the fourth crushing roller 8 and the third crushing roller 6 is adjusted, the fourth crushing roller 8 drives the moving plate 10 to move left and right, the moving plate 10 drives the second driving mechanism 12 to move left and right through the bracket 11, sand with corresponding specification can be crushed by the fourth crushing roller 8 and the third crushing roller 6, sand is poured into the box body 1 through the feeding hopper 2, the two driving wheels 902 are driven to rotate through the output shaft of the driving motor 901 in the first driving mechanism 9, the driving wheel 902 drives the driven wheels 904 to rotate through the belt 903, so that the two driven wheels 904 respectively drive the first crushing roller 3 and the third crushing roller 6 to rotate, the second driving mechanism 12 drives the upper and lower second crushing roller 5 and the fourth crushing roller 8 to rotate in the same way, the first driving mechanism 9 and the second driving mechanism 12 rotate in opposite directions, the crushed sand can be primarily crushed through the first crushing roller 3 and the second crushing roller 5, the crushed sand flows between the third crushing roller 6 and the fourth crushing roller 8 through the second guide plate 19, the crushed sand can be secondarily crushed through the third crushing roller 6 and the fourth crushing roller 8, the crushing efficiency is higher, the crushing effect is better, the crushing specification of crushed sand can be adjusted, the use requirements of various concrete are met, the crushed sand falls on the left end of the screen 14 through the third guide plate 20, the screen 14 is driven to vibrate on the buffer mechanism 13 through the vibrating motor 16, large particles in crushed sand can be sunk, the large particles are discharged through the discharge hole 15 and fall on the first guide plate 17 in a combined mode and then fall into the screw conveyor 18, and the sand is discharged through the screw conveyor 18, so that the sand crushing quality is further improved, and the use is facilitated.

To sum up, this grit grinder for concrete production can smash the grit twice, makes kibbling efficiency higher, and smashes the effect better, can adjust the specification of smashing the grit simultaneously, makes the grit after smashing satisfy corresponding concrete user demand, and the practicality is strong, can sun out big particulate matter in the grit after smashing, further improves grit crushing quality, does benefit to the use.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a grit grinder for concrete production, includes box (1), its characterized in that: the upper surface of the box body (1) is provided with a charging hopper (2), the left side of the front and rear inner walls of the box body (1) is close to the upper side, a first crushing roller (3) is fixedly arranged on the right side wall of the box body (1) corresponding to the right side of the first crushing roller (3), a first adjusting mechanism (4) is fixedly arranged on the left end of the first adjusting mechanism (4), a second crushing roller (5) is arranged on the left end of the box body (1), a third crushing roller (6) is fixedly arranged on the left side of the front and rear inner walls of the box body (1) close to the middle position, a second adjusting mechanism (7) is fixedly arranged on the right side wall of the box body (1) corresponding to the right side of the third crushing roller (6), a fourth crushing roller (8) is arranged on the left end of the second adjusting mechanism (7), the first crushing roller (3) and the third crushing roller (6) are in transmission connection with a first driving mechanism (9), a moving plate (10) is fixedly arranged between the second crushing roller (5) and an input shaft of the fourth crushing roller (8), a moving plate (10) is fixedly arranged on the right side wall of the box body (1) corresponding to the right side of the box body, a second crushing roller (8), a second driving mechanism (12) is fixedly arranged on the second driving mechanism (12), the utility model discloses a box, including box (1), screen cloth (14) are installed through buffer gear (13) to downside inner wall near downside position, discharge gate (15) have been seted up on box (1) right side wall that screen cloth (14) are corresponding, and the right side end of screen cloth (14) is inserted in box (1) right side wall outside through discharge gate (15), the lower surface fixed mounting of screen cloth (14) has vibrating motor (16), first guide plate (17) are installed near downside position to the front and back inner wall of box (1), screw conveyer (18) are fixedly installed on box (1) downside inner wall that first guide plate (17) are corresponding, and screw conveyer (18) upper surface is open structure, the left side end of screw conveyer (18) is inserted in box (1) left side wall outside.

2. A sand and gravel pulverizer for concrete production according to claim 1, wherein: the first crushing roller (3) and the second crushing roller (5) are fixedly provided with second guide plates (19) on the left and right side walls of the box body (1) at the lower side.

3. A sand and gravel pulverizer for concrete production according to claim 1, wherein: the first adjusting mechanism (4) comprises an electric telescopic rod (401), a mounting frame (402) and a sliding groove (403), the electric telescopic rod (401) is fixedly mounted on the right side wall of the box body (1), the mounting frame (402) is fixedly mounted on the left side face of a piston of the electric telescopic rod (401), the sliding groove (403) is formed in the front inner wall and the rear inner wall of the box body (1) corresponding to the mounting frame (402), the front side wall and the rear side wall of the mounting frame (402) are movably mounted in the sliding groove (403), the front end and the rear end of the second crushing roller (5) are mounted on the front side wall and the rear side wall of the mounting frame (402), and the second adjusting mechanism (7) is identical to the first adjusting mechanism (4) in structure.

4. A sand and gravel pulverizer for concrete production according to claim 1, wherein: the first driving mechanism (9) comprises a driving motor (901), a driving wheel (902), a belt (903) and a driven wheel (904), wherein the driving motor (901) is fixedly arranged on the left side face of the box body (1), two driving wheels (902) are arranged on an output shaft of the driving motor (901), the two driving wheels (902) are respectively connected with the two driven wheels (904) through the two belts (903), the driven wheels (904) are arranged on an input shaft of the first crushing roller (3) and the third crushing roller (6), and the second driving mechanism (12) and the first driving mechanism (9) are identical in structure.

5. A sand and gravel pulverizer for concrete production according to claim 1, wherein: and a third guide plate (20) is fixedly arranged on the inner wall of the right side of the box body (1) at the lower side of the fourth crushing roller (8).

6. A sand and gravel pulverizer for concrete production according to claim 1, wherein: the buffer mechanism (13) comprises a fixed block (131) and a spring (132), wherein the fixed block (131) is fixedly installed on the left inner wall and the right inner wall of the box body (1) in a rectangular shape, and the upper surface of the fixed block (131) is fixedly connected with the lower surface of the screen (14) through the spring (132).