Crushing device for recycled concrete production

Abstract

The utility model discloses a crushing device for recycled concrete production, which belongs to the technical field of recycled concrete production equipment and comprises a crusher, a feeding hopper is rotatably mounted on the crusher, the internal space of the feeding hopper is matched with a feeding port of the crusher, a motor is fixedly connected to the lower portion of the crusher, and the motor is connected with a motor shaft. A worm is fixedly connected to a rotor of the motor, a bearing frame is further fixedly connected to the lower portion of the crusher, a rotating rod is rotationally installed on the bearing frame, and after materials are poured into the feeding hopper, the motor is driven to drive the worm to rotate, the worm drives the worm gear to rotate, the worm gear drives the rotating rod to rotate, and the rotating rod drives the toothed belt to rotate. The feeding hopper is driven by the toothed belt to rotate, so that the feeding hopper rotates upwards until the internal space of the feeding hopper is aligned with the feeding opening of the crusher, materials in the feeding hopper enter the crusher and are crushed by the crusher, and the feeding height is reduced by the feeding hopper, so that the feeding difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of recycled concrete production equipment, especially relates to a crushing device for recycled concrete production. BACKGROUND

[0002] The crusher is also called a stone crusher. Recycled concrete needs to be crushed by the crusher for recycling.

[0003] Because the feeding opening of the conventional crusher is relatively high, the lifting distance of feeding is relatively large, especially when feeding manually, more physical strength needs to be exerted, thereby causing the problem that feeding of the conventional crusher is relatively difficult.

[0004] Therefore, the crushing device for recycled concrete production is provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of crushing devices for recycled concrete production to solve the problem that the feeding of conventional crusher is relatively difficult.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of crushing device for recycled concrete production, including crusher, feeding hopper is rotatably installed on the crusher, the internal space of the feeding hopper is matched with the feeding opening of crusher, the lower part of the crusher is fixedly connected with motor, the rotor of the motor is fixedly connected with worm, the lower part of the crusher is also fixedly connected with bearing bracket, rotating shaft is rotatably installed on the bearing bracket, toothed belt is connected between the rotating shaft and feeding hopper, the middle part of the rotating shaft is fixedly connected with worm wheel, the worm wheel is engaged with worm.After material is poured into feeding hopper, drive motor drives worm to rotate, worm drives worm wheel to rotate, worm wheel drives rotating shaft to rotate, rotating shaft drives toothed belt to rotate, toothed belt drives feeding hopper to rotate, so that feeding hopper rotates upwards, until the internal space of feeding hopper is aligned with the feeding opening of crusher, so that the material in feeding hopper enters into crusher, crushing is carried out by crusher, feeding height is reduced by feeding hopper, so as to reduce feeding difficulty.

[0008] Preferably, the lower part of the crusher is also fixedly connected with baffle. The baffle is used to block worm wheel and worm, to prevent particles from falling between worm wheel and worm, and to improve the operating stability of worm wheel and worm.

[0009] Preferably, the crusher includes a body, a fixed shaft and a tubular shaft, and the fixed shaft and the tubular shaft are fixedly connected to the upper part of the body. The fixed shaft and the tubular shaft facilitate the rotation of the feeding hopper.

[0010] Preferably, the crusher further comprises a rotation limiting block, which is fixedly connected to the upper part of the machine body in a symmetrical manner.

[0011] Preferably, the upper hopper comprises a first pulley, a hopper body and a guide nozzle, the first pulley is arranged in a symmetrical manner and fixedly connected to the side end of the hopper body, and the guide nozzle is fixedly connected to the inlet of the hopper body.

[0012] Preferably, the bearing frame comprises a bearing seat and a pressing frame, and the bearing seat is fixedly connected to the lower end of the pressing frame in a symmetrical manner.

[0013] Preferably, the rotating rod comprises a rod body and a second pulley, and the second pulley is fixedly connected to the side of the rod body in a symmetrical manner.

[0014] In summary, the technical effects and advantages of the crusher are as follows:

[0015] 1. After the material is poured into the upper hopper, the driving motor drives the worm to rotate, the worm drives the worm gear to rotate, the worm gear drives the rotating rod to rotate, the rotating rod drives the toothed belt to rotate, and the toothed belt drives the upper hopper to rotate, so that the upper hopper rotates upward until the internal space of the upper hopper is aligned with the feeding opening of the crusher, the material in the upper hopper enters the crusher, the material is crushed by the crusher, and the feeding height is reduced by the upper hopper, thereby reducing the feeding difficulty.

[0016] 2. The baffle is arranged on the worm gear and the worm to prevent particles from falling between the worm gear and the worm, thereby improving the operation stability of the worm gear and the worm.

[0017] 3. The material is poured into the guide nozzle and guided into the hopper body, when the toothed belt drives the first pulley to rotate, the first pulley drives the hopper body and the guide nozzle to rotate upward until the hopper body is aligned with the opening of the machine body, so that the material enters the machine body, thereby facilitating the feeding of the crusher.

[0018] 4. When the worm rotates, the worm acts on the worm gear, the worm gear drives the rod body to rotate, the rod body drives the second pulley to rotate, and the second pulley drives the toothed belt to rotate, thereby facilitating the rotating rod to drive the upper hopper to rotate through the toothed belt. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic view of the utility model;

[0020] Figure 2 It is the crusher structure schematic view of the utility model;

[0021] Figure 3 It is the feeding hopper structure schematic view of the utility model;

[0022] Figure 4 It is the bearing frame structure schematic view of the utility model;

[0023] Figure 5 It is the rotating rod structure schematic view of the utility model.

[0024] In the drawing: 1, motor; 2, crusher; 3, feeding hopper; 4, bearing frame; 5, rotating rod; 6, worm wheel; 7, baffle; 8, worm; 9, toothed belt; 21, machine body; 22, rotation limiting block; 23, fixed shaft; 24, tubular shaft; 31, first belt pulley; 32, hopper body; 33, guide nozzle; 41, bearing seat; 42, pressing frame; 51, rod body; 52, second belt pulley. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] Referring to Figure 1 and 5 A kind of crushing device for recycled concrete production, including crusher 2, feeding hopper 3 is rotatably installed on crusher 2, the internal space of feeding hopper 3 is matched with the feeding port of crusher 2, the lower part of crusher 2 is fixedly connected with motor 1, the rotor of motor 1 is fixedly connected with worm 8, the lower part of crusher 2 is also fixedly connected with bearing frame 4, rotating rod 5 is rotatably installed on bearing frame 4, rotating rod 5 and feeding hopper 3 are connected with toothed belt 9, the middle part of rotating rod 5 is fixedly connected with worm wheel 6, worm wheel 6 is engaged with worm 8.

[0027] Referring to Figure 1 and 5 The lower part of crusher 2 is also fixedly connected with baffle 7. Prevent particles from falling between worm wheel 6 and worm 8 by baffle 7.

[0028] Referring to Figure 1 and 2, the crusher 2 includes a body 21, a fixed shaft 23 and a tubular shaft 24, the shell of the motor 1 is fixedly connected with the body 21, one end of the baffle 7 is fixedly connected with the body 21, and the fixed shaft 23 and the tubular shaft 24 are fixedly connected at the upper portion of the body 21. The fixed shaft 23 and the tubular shaft 24 are used for guiding the rotation of the upper hopper 3.

[0029] With reference to Figure 1 and 2 , the crusher 2 further includes a rotation limiting block 22, and the rotation limiting block 22 is symmetrically fixedly connected at the upper portion of the body 21. The rotation limiting block 22 is used for limiting the rotation range of the upper hopper 3.

[0030] With reference to Figure 1 、 2 and 3, the upper hopper 3 includes first pulleys 31, a hopper body 32 and a guide nozzle 33, the first pulleys 31 are symmetrically arranged, one of the first pulleys 31 is rotatably installed on the fixed shaft 23, and the other first pulley 31 is rotatably installed on the tubular shaft 24, the inner space of the hopper body 32 is abutted and matched with the inner space of the body 21, the first pulleys 31 are fixedly connected at the side ends of the hopper body 32, and the guide nozzle 33 is fixedly connected at the inlet of the hopper body 32. The material is poured into the guide nozzle 33, guided into the hopper body 32 through the guide nozzle 33, and when the toothed belt 9 drives the first pulleys 31 to rotate, the hopper body 32 and the guide nozzle 33 are driven to rotate upwards through the first pulleys 31 until the hopper body 32 is aligned with the opening of the body 21, so that the material enters into the body 21.

[0031] With reference to Figure 1 、 2 , 4 and 5, the bearing frame 4 includes a bearing seat 41 and a pressing frame 42, the bearing seat 41 is fixedly connected at the lower portion of the body 21, the pressing frame 42 is movably pressed on the worm 8, and the bearing seat 41 is symmetrically fixedly connected at the lower end of the pressing frame 42. The pressing frame 42 is used for downwardly acting on the worm 8, thereby increasing the stability of the meshing of the worm 8 and the worm wheel 6.

[0032] With reference to Figure 1 、 3 and 5, the rotating rod 5 includes a rod body 51 and second pulleys 52, the toothed belt 9 is sleeved on the first pulleys 31 and the second pulleys 52, the worm wheel 6 is fixedly connected at the middle portion of the rod body 51, and the second pulleys 52 are symmetrically fixedly connected at the side portions of the rod body 51. When the worm 8 rotates, the worm 8 acts on the worm wheel 6, the rod body 51 is driven to rotate through the worm wheel 6, the second pulleys 52 are driven to rotate through the rod body 51, and the toothed belt 9 is driven to rotate through the second pulleys 52.

[0033] Working principle: after the material is poured into the upper hopper 3, the driving motor 1 drives the worm 8 to rotate, the worm 8 drives the worm wheel 6 to rotate, the worm wheel 6 drives the rotating rod 5 to rotate, the rotating rod 5 drives the toothed belt 9 to rotate, the toothed belt 9 drives the upper hopper 3 to rotate, the upper hopper 3 rotates upward until the internal space of the upper hopper 3 is aligned with the feeding port of the crusher 2, the material in the upper hopper 3 enters the crusher 2, the material is crushed by the crusher 2, and the feeding height is reduced by the upper hopper 3.

[0034] The above is only a preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

[0035] In the description, the existing technology known by the person skilled in the art and not changed is simply mentioned application direction, combined with the utility model to form a complete technology; the well-known technology of the person skilled in the art is adopted to avoid excessive popularization, which is used to assist the person skilled in the art to quickly understand the main content of the utility model.

Claims

1. A crushing device for the production of recycled concrete, comprising a crusher (2), characterized in that: The crusher (2) is rotatably connected with an upper hopper (3), the internal space of the upper hopper (3) is matched with the upper feeding port of the crusher (2), the lower part of the crusher (2) is fixedly connected with a motor (1), the rotor of the motor (1) is fixedly connected with a worm (8), the lower part of the crusher (2) is further fixedly connected with a bearing frame (4), the bearing frame (4) is rotatably connected with a rotating rod (5), the rotating rod (5) and the upper hopper (3) are connected with a toothed belt (9), the middle part of the rotating rod (5) is fixedly connected with a worm wheel (6), and the worm wheel (6) is engaged with the worm (8).

2. The crushing device for producing recycled concrete according to claim 1, characterized in that: The lower part of the crusher (2) is further fixedly connected with a baffle (7).

3. The crushing device for producing recycled concrete according to claim 1, characterized in that: The crusher (2) comprises a machine body (21), a fixed shaft (23) and a tubular shaft (24), and the fixed shaft (23) and the tubular shaft (24) are fixedly connected to the upper part of the machine body (21).

4. The crushing device for producing recycled concrete according to claim 3, characterized in that: The crusher (2) further comprises a rotation limiting block (22), and the rotation limiting block (22) is symmetrically fixedly connected to the upper part of the machine body (21).

5. The crushing device for producing recycled concrete according to claim 1, characterized in that: The upper hopper (3) comprises a first pulley (31), a hopper body (32) and a guide nozzle (33), the first pulleys (31) are symmetrically arranged, the first pulleys (31) are fixedly connected to the side ends of the hopper body (32), and the guide nozzle (33) is fixedly connected to the inlet of the hopper body (32).

6. The crushing device for producing recycled concrete according to claim 1, characterized in that: The bearing frame (4) comprises a bearing seat (41) and a pressing frame (42), and the bearing seats (41) are symmetrically fixedly connected to the lower ends of the pressing frame (42).

7. The crushing device for producing recycled concrete according to claim 1, characterized in that: The rotating rod (5) comprises a rod body (51) and a second pulley (52), and the second pulleys (52) are symmetrically fixedly connected to the side parts of the rod body (51).

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