Raw material crushing device for dry-mixed mortar production

Abstract

The utility model relates to the technical field of dry-mixed mortar production, in particular to a raw material crushing device for dry-mixed mortar production, which comprises a support, a cylindrical crushing groove is arranged on the upper end face of the support, a plurality of uniformly distributed grinding rings are fixedly connected in the crushing groove, and a plurality of uniformly distributed support rods are fixedly connected in the crushing groove. A motor is installed in the supporting rod, the output end of the motor penetrates through the supporting rod and is fixedly connected with a fixing rod, the lower end of the fixing rod is fixedly connected with a crushing hammer, sand and stones are crushed through extrusion of the crushing hammer, and the sand and stones can be crushed into sand and stones with different particle sizes through the crushing hammers with different diameters; the first electric push rod drives the baffle to move, the crushing groove can be blocked, the crushed materials are discharged through the corresponding discharging openings, and the purposes that the distance between the two crushing rollers does not need to be adjusted repeatedly, gravel of different sizes can be obtained through continuous crushing production, operation is easy, and use is convenient are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of dry-mix mortar production, in particular to a raw material crushing device used for dry-mix mortar production. Background Art

[0002] Dry-mixed mortar refers to a granular or powdered material made by physically mixing dried and screened aggregates, inorganic cementitious materials and additives in a certain proportion. Among them, sand and gravel are the main raw materials for the production of dry-mixed mortar. The production of dry-mixed mortar requires a large amount of raw sand and gravel. The existing sand and gravel are mainly produced by crushing stones or various construction waste. The crushing of stones and various construction waste is mainly completed by crushers.

[0003] The existing raw material crushing device for dry-mixed mortar production can usually obtain sand and gravel of different sizes by adjusting the distance between two crushing rollers. In this process, it is necessary to repeatedly adjust the distance between the crushing rollers, which is troublesome to operate and inconvenient for continuous crushing production, resulting in low production efficiency. Therefore, it is necessary to propose a raw material crushing device for dry-mixed mortar production to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to provide a raw material crushing device for dry-mix mortar production, which has the characteristics of being able to continuously crush and produce sand and gravel of different sizes without repeatedly adjusting the distance between two crushing rollers, and being simple to operate and easy to use.

[0005] The utility model aims to provide a raw material crushing device for dry-mixed mortar production, comprising a bracket, the upper end surface of which is provided with a cylindrical crushing groove, and the interior of the crushing groove is fixedly connected with a plurality of evenly distributed grinding rings;

[0006] A plurality of evenly distributed support rods are fixedly connected inside the crushing tank, a motor is installed inside the support rod, the output end of the motor passes through the support rod and is fixedly connected to a fixing rod, a crushing hammer is fixedly connected to the lower end of the fixing rod, and the diameters of the crushing hammers gradually increase from top to bottom;

[0007] The right end of the bracket is provided with a plurality of slide grooves respectively located below the grinding ring, and a baffle is provided inside the slide groove;

[0008] The front end of the bracket is provided with a plurality of discharge openings flush with the chute.

[0009] In order to facilitate the movement of the baffle, as a preferred raw material crushing device for dry-mixed mortar production of the utility model, a plurality of first electric push rods are installed on the left end face of the bracket, and the output end of the first electric push rod extends to the interior of the slide groove and is fixedly connected to the baffle.

[0010] In order to facilitate the sand and gravel to slide to the discharge port, as a raw material crushing device for dry-mixed mortar production of the utility model, the chute is preferably arranged inclined.

[0011] In order to facilitate the movement of the gate plate, as a preferred raw material crushing device for dry-mixed mortar production of the utility model, the front end of the bracket is fixedly connected with multiple fixed plates, and the left end face of the fixed plate is installed with a second electric push rod, and the output end of the second electric push rod passes through the fixed plate and is fixedly connected with the gate plate.

[0012] In order to facilitate the discharge of crushed sand and gravel, as a preferred raw material crushing device for dry-mixed mortar production of the utility model, the lower end of the discharge port is flush with the upper end of the baffle.

[0013] In order to facilitate the introduction of the sand and gravel to be crushed into the crushing tank, as a preferred raw material crushing device for dry-mixed mortar production of the utility model, the upper end of the bracket is connected to a feed port.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model can start the motor to drive the fixed rod to rotate and drive the breaker hammer to rotate at the same time. Sand and stone pass between the breaker hammer and the grinding ring, and are crushed by the extrusion of the breaker hammer. Sand and stone can be crushed into sand and stone particles of different sizes by using breakers of different diameters. The baffle plate is driven to move by the first electric push rod to block the crushing groove, so that the crushed material can be discharged through the corresponding discharge port, so that the distance between the two crushing rollers does not need to be repeatedly adjusted, and the purpose of continuous crushing and production of sand and stone particles of different sizes is achieved, and the operation is simple and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall structure diagram of the utility model;

[0017] Figure 2 It is a rear cross-sectional structural diagram of the utility model;

[0018] Figure 3 This is the structural diagram of the breaker hammer of the utility model;

[0019] Figure 4 It is a right side cross-sectional structural diagram of the crushing trough of the utility model.

[0020] In the figure: 1. bracket; 2. feed port; 3. first electric push rod; 4. second electric push rod; 5. fixed plate; 6. gate; 7. discharge port; 8. support rod; 9. motor; 10. breaker; 11. grinding ring; 12. slide; 13. baffle; 14. crushing groove; 15. fixed rod. DETAILED DESCRIPTION

[0021] See also Figures 1 to 4 A raw material crushing device for dry-mix mortar production includes a bracket 1, an upper end surface of the bracket 1 is provided with a cylindrical crushing groove 14, and a plurality of evenly distributed grinding rings 11 are fixedly connected to the inside of the crushing groove 14;

[0022] A plurality of evenly distributed support rods 8 are fixedly connected inside the crushing groove 14, a motor 9 is installed inside the support rod 8, the output end of the motor 9 passes through the support rod 8 and is fixedly connected to a fixing rod 15, a crushing hammer 10 is fixedly connected to the lower end of the fixing rod 15, and the diameters of the plurality of crushing hammers 10 gradually increase from top to bottom;

[0023] The right end of the bracket 1 is provided with a plurality of slide grooves 12 respectively located below the grinding ring 11, and a baffle 13 is provided inside the slide groove 12;

[0024] The front end of the bracket 1 is provided with a plurality of discharge openings 7 flush with the chute 12 .

[0025] In this embodiment, when in use, the sand and stone to be crushed are put into the crushing tank 14 from the feed port 2.

[0026] The starting motor 9 drives the fixing rod 15 to rotate and can also drive the breaker 10 to rotate. Sand and stone pass between the breaker 10 and the grinding ring 11, and are crushed by the extrusion of the breaker 10. The breaker 10 with different diameters can crush the sand and stone into sand and stone particles of different sizes.

[0027] By driving the baffle 13 to move through the first electric push rod 3, the crushing slot 14 can be blocked, so that the crushed material can be discharged through the corresponding discharge port 7. There is no need to repeatedly adjust the distance between the two crushing rollers, and continuous crushing can be used to produce sand and gravel of different sizes.

[0028] As a technical optimization solution of the utility model, a plurality of first electric push rods 3 are installed on the left end surface of the bracket 1 , and the output ends of the first electric push rods 3 extend into the interior of the slide slot 12 and are fixedly connected to the baffle 13 .

[0029] In this embodiment: the baffle 13 can be driven to move by the first electric push rod 3, and the baffle 13 can block the discharge of sand and stone.

[0030] As a technical optimization solution of the present invention, the slide groove 12 is arranged inclined.

[0031] In this embodiment, the chute 12 is tilted to facilitate the sand and gravel to slide to the discharge port 7.

[0032] As a technical optimization solution of the utility model, a plurality of fixing plates 5 are fixedly connected to the front end of the bracket 1, a second electric push rod 4 is installed on the left end face of the fixing plate 5, and the output end of the second electric push rod 4 passes through the fixing plate 5 and is fixedly connected to a gate plate 6.

[0033] In this embodiment: the gate plate 6 can be driven to move by the second electric push rod 4 , and the opening and closing states of the discharge port 7 can be controlled by the gate plate 6 .

[0034] As a technical optimization solution of the present invention, the lower end of the discharge port 7 is flush with the upper end of the baffle 13 .

[0035] In this embodiment, the lower end of the discharge port 7 is flush with the upper end of the baffle 13 , so that sand and gravel can be easily discharged from the discharge port 7 .

[0036] As a technical optimization solution of the utility model, the upper end of the bracket 1 is connected with a feed port 2.

[0037] In this embodiment, the sand and stone to be crushed can be conveniently introduced into the crushing tank 14 through the feed port 2.

[0038] Working principle: When in use, the sand and stone to be crushed are put into the crushing tank 14 from the feed port 2.

[0039] The starting motor 9 drives the fixing rod 15 to rotate and can also drive the breaker 10 to rotate. Sand and stone pass between the breaker 10 and the grinding ring 11, and are crushed by the extrusion of the breaker 10. The breaker 10 with different diameters can crush the sand and stone into sand and stone particles of different sizes.

[0040] By driving the baffle 13 to move through the first electric push rod 3, the crushing slot 14 can be blocked, so that the crushed material can be discharged through the corresponding discharge port 7. There is no need to repeatedly adjust the distance between the two crushing rollers, and continuous crushing can be used to produce sand and gravel of different sizes.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A raw material crushing device for dry-mix mortar production, comprising a support (1), characterized in that: The upper end surface of the bracket (1) is provided with a cylindrical crushing groove (14), and a plurality of evenly distributed grinding rings (11) are fixedly connected inside the crushing groove (14); A plurality of evenly distributed support rods (8) are fixedly connected inside the crushing groove (14), a motor (9) is installed inside the support rod (8), an output end of the motor (9) passes through the support rod (8) and is fixedly connected to a fixing rod (15), a crushing hammer (10) is fixedly connected to the lower end of the fixing rod (15), and the diameters of the plurality of crushing hammers (10) gradually increase from top to bottom; A plurality of slide grooves (12) are respectively located below the grinding ring (11) at the left end of the bracket (1), and a baffle (13) is provided inside the slide groove (12); The front end of the support (1) is provided with a plurality of discharge openings (7) which are in communication with the crushing grooves (14).

2. A raw material crushing device for dry-mix mortar production according to claim 1, characterized in that: A plurality of first electric push rods (3) are mounted on the left end surface of the bracket (1), and the output ends of the first electric push rods (3) extend into the interior of the slide slot (12) and are fixedly connected to the baffle plate (13).

3. The raw material crushing device for dry-mix mortar production according to claim 1, characterized in that: The slide groove (12) is arranged obliquely.

4. The raw material crushing device for dry-mix mortar production according to claim 1, characterized in that: A plurality of fixing plates (5) are fixedly connected to the front end of the bracket (1); a second electric push rod (4) is mounted on the left end surface of the fixing plate (5); and an output end of the second electric push rod (4) passes through the fixing plate (5) and is fixedly connected to a gate plate (6).

5. The raw material crushing device for dry-mix mortar production according to claim 1, characterized in that: The lower end of the discharge port (7) is flush with the upper end of the baffle (13).

6. The raw material crushing device for dry-mix mortar production according to claim 1, characterized in that: The upper end of the support (1) is connected to a feed inlet (2).

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