Concrete recycling and crushing equipment

Abstract

The utility model belongs to the technical field of concrete crushing, and particularly relates to concrete recycling and crushing equipment which comprises a square cylinder and two crushing wheels, the two crushing wheels are rotationally assembled in the square cylinder, a feeding hopper is fixedly arranged on the upper side of the square cylinder, a discharging hopper is fixedly arranged on the lower side of the square cylinder, a sieve plate is installed in the square cylinder, and a long plate is rotationally assembled on the front side of the square cylinder. Two first gears controlled by a motor are rotationally assembled on the outer side wall of the square cylinder, the motor is installed on the outer side of the square cylinder, and a feeding assembly matched with the two crushing wheels is arranged in the feeding hopper. The motor drives the two first gears to rotate, the two first gears synchronously drive the two crushing wheels to rotate at the same time, concrete fragments entering from the feeding hopper are crushed, the crushed fragments are discharged from the discharging hopper through the sieve plate, and metal objects which are not crushed are located on the upper side of the sieve plate. And the crushed concrete fragments and metal can be conveniently screened and separated, the manual labor time is saved, and the crushing efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete crushing, and in particular relates to concrete recycling crushing equipment. Background Art

[0002] With the increasing expansion of my country's infrastructure, the use of concrete is becoming more and more extensive. However, while using a large amount of concrete, a lot of construction waste will also be generated. Construction waste not only pollutes the surrounding environment, but also wastes resources. The existing treatment of construction waste is usually to crush it into fine materials for recycling for later treatment and utilization. At present, when some concrete is crushed, most crushers make the crushed concrete fragments and steel bars mixed, and manual sorting is required, which is troublesome to operate. In addition, when crushing concrete fragments, when crushing larger fragments, it is necessary to manually press the fragments into the crusher, which increases the labor intensity of the manual labor and the crushing efficiency is slow. Therefore, a concrete recycling crushing equipment is needed to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a concrete recycling crushing device, in which two first gears are driven by a motor to rotate, and the two first gears synchronously drive two crushing wheels to rotate at the same time, so as to crush concrete fragments entering from a feed hopper, and the crushed fragments are discharged from a discharge hopper through a sieve plate, and metal objects that have not been crushed are located on the upper side of the sieve plate, so that it is convenient to screen and separate the crushed concrete fragments and metals, thereby saving manual labor time and improving crushing efficiency.

[0004] In order to achieve the above technical purpose, the technical solution adopted by the utility model is as follows:

[0005] A concrete recycling crushing equipment comprises a square cylinder and two crushing wheels, the two crushing wheels are rotatably assembled inside the square cylinder, the two crushing wheels are symmetrically distributed front and back, a feed hopper is fixedly provided on the upper side of the square cylinder, a discharge hopper is fixedly provided on the lower side of the square cylinder, a sieve plate is installed inside the square cylinder, a long plate is rotatably assembled on the front side of the square cylinder, the long plate is located on the upper side of the sieve plate, two mutually meshing first gears are rotatably assembled on the outer side wall of the square cylinder, the two first gears are respectively connected to the two crushing wheels in transmission, a motor is installed on the outside of the square cylinder, the output shaft of the motor is connected to the first gear on the front side in transmission, and a feed assembly matching the two crushing wheels is provided inside the feed hopper.

[0006] The feeding assembly includes two active rods rotatably assembled inside the square cylinder and symmetrically distributed front and back, and two driven rods symmetrically distributed front and back are assembled inside the rotating ring of the feed hopper, and the active rod and the driven rod located on the same front and back side are jointly provided with a conveyor belt, and the two side walls of the first gears are concentrically fixed with a first pulley, and the two active rods extending to the left on one side of the square cylinder are concentrically fixed with a second pulley, and a first belt is provided between the first pulley and the second pulley located on the same front and back side.

[0007] The outer side of the feed hopper is provided with a rotating assembly matching the two conveyor belts, and the rotating assembly includes a semicircular plate fixedly provided on the upper side of the feed hopper, the semicircular plate is provided with an arc-shaped through groove matching the driven rod, the side wall of the semicircular plate is fixedly provided with an arc block, the front side wall of the arc block is fixedly provided with an arc rod, the driven rod extends to the left and a square block is installed on one side of the semicircular plate, the square block is provided with a circular hole matching the arc rod, a spring matching the arc rod is fixedly provided between the side wall of the square block and the side wall of the arc block, a semi-toothed disc is rotatably installed on the side wall of the feed hopper, an arc-shaped rack matching the semi-toothed disc is fixedly provided on the side wall of the square block close to the semicircular plate, a third pulley is concentrically fixedly provided on the side wall of the semi-toothed disc, a fourth pulley is concentrically fixedly provided on the left side of the active rod located on the same front and rear sides, and a second belt is provided between the third pulley and the fourth pulley.

[0008] A plurality of linearly distributed anti-slip strips are fixedly provided on the two conveyor belt side walls.

[0009] The two active rods are respectively located in the same vertical plane as the two crushing wheels.

[0010] The utility model drives two first gears to rotate by a motor, and the two first gears synchronously drive two crushing wheels to rotate at the same time, so as to crush concrete fragments entering from a feed hopper, and the crushed fragments are discharged from a discharge hopper through a sieve plate, and metal objects that are not crushed are located on the upper side of the sieve plate, which is convenient for screening and separating the crushed concrete fragments and metals, thus saving manual labor time and improving crushing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention can be further described by the non-limiting embodiments given in the accompanying drawings.

[0012] Figure 1 This is a schematic diagram of the structure of a concrete recycling crushing device embodiment of the utility model Figure 1 ;

[0013] Figure 2 This is a structural schematic diagram of a concrete recycling crushing device embodiment of the utility model in which a second pulley is not provided on one side;

[0014] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0015] Figure 4 for Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0016] Figure 5 This is a schematic diagram of the structure of a concrete recycling crushing device embodiment of the utility model Figure 2 .

[0017] The main component symbols are described as follows:

[0018] Square cylinder 1, crushing wheel 10, feed hopper 12, discharge hopper 13, sieve plate 14, long plate 15, first gear 16, motor 17, active rod 20, driven rod 21, conveyor belt 22, first pulley 23, second pulley 24, first belt 25, semicircular plate 30, arc block 31, arc rod 32, block 33, spring 34, semi-toothed disc 35, arc rack 36, third pulley 37, fourth pulley 38, second belt 39, anti-slip strip 40. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0020] like Figure 1-5 As shown, a concrete recycling crushing device of the utility model comprises a square cylinder 1 and two crushing wheels 10, the two crushing wheels 10 are rotatably assembled inside the square cylinder 1, the two crushing wheels 10 are symmetrically distributed front and back, a feed hopper 12 is fixedly arranged on the upper side of the square cylinder 1, a discharge hopper 13 is fixedly arranged on the lower side of the square cylinder 1, a sieve plate 14 is installed inside the square cylinder 1, a long plate 15 is rotatably assembled on the front side of the square cylinder 1, the long plate 15 is located on the upper side of the sieve plate 14, two mutually meshing first gears 16 are rotatably assembled on the outer wall of the square cylinder 1, the two first gears 16 are respectively connected to the two crushing wheels 10, a motor 17 is installed on the outer side of the square cylinder 1, the output shaft of the motor 17 is connected to the front first gear 16, and a feeding assembly matching the two crushing wheels 10 is arranged inside the feed hopper 12;

[0021] When the utility model is used, the user first starts the motor 17, the output shaft of the motor 17 drives the first gear 16 connected to the transmission to rotate, the first gear 16 synchronously drives the meshing first gear 16 to rotate synchronously, the two first gears 16 synchronously drive the two crushing wheels 10 to rotate at the same time, the two crushing wheels 10 crush the concrete fragments entering from the feed hopper 12, the crushed concrete fragments pass through the sieve plate 14 and are discharged from the discharge hopper 13, the steel bars and other metals in the concrete fragments remain on the upper side of the sieve plate 14, which is convenient for the user to separate the concrete fragments from the steel bars and other metals, saving labor time and production costs;

[0022] The utility model drives two first gears to rotate by a motor, and the two first gears synchronously drive two crushing wheels to rotate at the same time, so as to crush concrete fragments entering from a feed hopper, and the crushed fragments are discharged from a discharge hopper through a sieve plate, and metal objects that are not crushed are located on the upper side of the sieve plate, which is convenient for screening and separating the crushed concrete fragments and metals, thus saving manual labor time and improving crushing efficiency.

[0023] The feeding assembly includes two active rods 20 symmetrically distributed front and back and rotatably assembled inside the square tube 1, and two driven rods 21 symmetrically distributed front and back are assembled inside the rotating ring of the feed hopper 12, and the active rods 20 and the driven rods 21 located on the same side of the front and back are both provided with a conveyor belt 22, and the side walls of the two first gears 16 are both concentrically fixed with a first pulley 23, and the two active rods 20 extending to the left of the square tube 1 are both concentrically fixed with a second pulley 24, and a first belt 25 is provided between the first pulley 23 and the second pulley 24 located on the same side of the front and back;

[0024] When the utility model is used, the user starts the motor 17 to rotate the two crushing wheels 16, the two first gears 16 simultaneously drive the two first pulleys 23 to rotate, the two first pulleys 23 synchronously drive the two second pulleys 23 to rotate through the first belt 25, the two second pulleys 24 synchronously drive the two active rods 20 to rotate, the two active rods 20 synchronously drive the two conveyor belts 22 to rotate, and the two conveyor belts 22 simultaneously transport the concrete fragments in the feed hopper 12 to the two crushing wheels 16, thereby accelerating the crushing speed and improving the crushing efficiency of the concrete fragments.

[0025] A rotating assembly matching the two conveyor belts 22 is provided on the outside of the feed hopper 12, and the rotating assembly includes a semicircular plate 30 fixedly provided on the upper side of the feed hopper 1, the semicircular plate 30 is provided with an arc-shaped through groove matching the driven rod 21, an arc block 31 is fixedly provided on the side wall of the semicircular plate 30, an arc rod 32 is fixedly provided on the front side wall of the arc block 31, and the driven rod 21 extends to the left and a square block 33 is installed on one side of the semicircular plate 30, the square block 33 is provided with a round hole matching the arc rod 32, and the side wall of the square block 33 is connected to the driven rod 21. A spring 34 matching the arc rod 32 is fixed between the side walls of the arc block 31, a semi-toothed disc 35 is rotatably mounted on the side wall of the feed hopper 12, an arc-shaped rack 36 matching the semi-toothed disc 35 is fixed on the side of the block 33 close to the semicircular plate 30, a third pulley 37 is concentrically fixed on the side wall of the semi-toothed disc 35, a fourth pulley 38 is concentrically fixed on the left side of the active rod 20 on the same side of the front and rear, and a second belt 39 is provided between the third pulley 37 and the fourth pulley 38;

[0026] When the utility model is not in use, the spring 34 is in a naturally extended state, so that the block 33 is close to the end of the arc rod 32, and the block 33 drives the upper end of the conveyor belt 22 close to the inner wall of the feed hopper 12, so that the upper openings of the two conveyor belts 22 are maximized, which is convenient for placing concrete fragments;

[0027] When the utility model is used, the two conveyor belts 22 and the two crushing wheels 16 rotate synchronously under the drive of the motor 17, and the two active rods 20 rotate to synchronously drive the two fourth pulleys 38 to rotate, and the two fourth pulleys 38 drive the third pulley 37 to rotate through the second belt 38, and the two third pulleys 37 synchronously drive the two semi-toothed discs 35 to rotate, and the two semi-toothed discs 35 synchronously drive the two arc-shaped racks 36 to move, and the arc-shaped racks 36 drive the block 33 to slide along the arc-shaped rod 32, so that the spring 34 is compressed, and the block 33 drives the driven rod 21 to move, so that the conveyor belts 22 rotate synchronously, so that the upper sides of the two conveyor belts 22 are synchronously closed in the middle, so that the contact area between the conveyor belts 22 and the concrete fragments is increased, and the crushing efficiency is accelerated.

[0028] A plurality of linearly distributed anti-slip strips 40 are fixedly disposed on the side walls of the two conveyor belts 22 to increase the friction between the conveyor belts 22 and the concrete fragments and speed up the crushing efficiency.

[0029] The two active rods 20 are respectively located in the same vertical plane as the two crushing wheels 12, ensuring that the concrete fragments are discharged after passing through the two crushing wheels 16, thereby ensuring the normal use of the device.

[0030] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A concrete recycling crushing device, comprising a square drum and two crushing wheels, characterized in that: The two crushing wheels are rotatably assembled inside the square cylinder, and the two crushing wheels are symmetrically distributed front and back. A feed hopper is fixedly provided on the upper side of the square cylinder, and a discharge hopper is fixedly provided on the lower side of the square cylinder. A screen plate is installed inside the square cylinder, and a long plate is rotatably assembled on the front side of the square cylinder, and the long plate is located on the upper side of the screen plate. Two mutually meshing first gears are rotatably assembled on the outer wall of the square cylinder, and the two first gears are respectively connected to the two crushing wheels in transmission. A motor is installed on the outside of the square cylinder, and the output shaft of the motor is connected to the first gear on the front side in transmission. A feed assembly matching the two crushing wheels is provided inside the feed hopper.

2. The concrete recycling crushing equipment according to claim 1, characterized in that: The feeding assembly includes two active rods rotatably assembled inside the square cylinder and symmetrically distributed front and back, and two driven rods symmetrically distributed front and back are assembled inside the rotating ring of the feed hopper, and the active rod and the driven rod located on the same front and back side are jointly provided with a conveyor belt, and the two side walls of the first gears are concentrically fixed with a first pulley, and the two active rods extending to the left on one side of the square cylinder are concentrically fixed with a second pulley, and a first belt is provided between the first pulley and the second pulley located on the same front and back side.

3. The concrete recycling crushing equipment according to claim 2, characterized in that: The outer side of the feed hopper is provided with a rotating assembly matching the two conveyor belts, and the rotating assembly includes a semicircular plate fixedly provided on the upper side of the feed hopper, the semicircular plate is provided with an arc-shaped through groove matching the driven rod, the side wall of the semicircular plate is fixedly provided with an arc block, the front side wall of the arc block is fixedly provided with an arc rod, the driven rod extends to the left and a square block is installed on one side of the semicircular plate, the square block is provided with a circular hole matching the arc rod, a spring matching the arc rod is fixedly provided between the side wall of the square block and the side wall of the arc block, a semi-toothed disc is rotatably installed on the side wall of the feed hopper, an arc-shaped rack matching the semi-toothed disc is fixedly provided on the side wall of the square block close to the semicircular plate, a third pulley is concentrically fixedly provided on the side wall of the semi-toothed disc, a fourth pulley is concentrically fixedly provided on the left side of the active rod located on the same front and rear sides, and a second belt is provided between the third pulley and the fourth pulley.

4. The concrete recycling crushing equipment according to claim 2, characterized in that: A plurality of linearly distributed anti-slip strips are fixedly provided on the two conveyor belt side walls.

5. The concrete recycling crushing equipment according to claim 2, characterized in that: The two active rods are respectively located in the same vertical plane as the two crushing wheels.

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