Building aggregate crushing equipment with pretreatment function

Abstract

The invention belongs to the technical field of building aggregate treatment, and particularly relates to building aggregate crushing equipment capable of being pretreated, which comprises a screening box, a plurality of supporting plates are fixed at the bottom end of the screening box at equal intervals in the length direction of the screening box, the bottom of the screening box is open, and a conveying pipe is arranged above the screening box; a supporting rod is fixedly installed between the left end of the conveying pipe and the top end of the screening box. And the hammer crusher is used for crushing the building aggregate, the top feeding end of the hammer crusher communicates with the right end of the conveying pipe in an embedded mode, and the bottom discharging end of the hammer crusher communicates with the right end of the screening box in an embedded mode. The device has a pretreatment function, equipment blockage caused by the fact that large building aggregate directly enters the hammer crusher is avoided, the blockage risk of the equipment is remarkably reduced, the overall crushing efficiency of the equipment is improved, and the equipment failure frequency and the maintenance cost are greatly reduced.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of building aggregate processing, and particularly relates to a building aggregate crushing device with pre-treatment. BACKGROUND

[0002] Building aggregate is an important component of concrete, road base and the like, and the production quality and efficiency of the building aggregate have a key influence on engineering quality and cost. At present, in order to realize recycling and reuse of building waste, reduce building cost and achieve the purpose of environmental protection, a crushing device is used to crush large building waste such as concrete and bricks into recycled aggregate.

[0003] Through retrieval, it is found that the existing building aggregate crushing device is generally composed of a crushing device and a screening device. The building aggregate directly enters the crushing device for crushing, and then the aggregate with a qualified particle size is screened out by the screening device. This traditional device has many disadvantages. When the building aggregate to be crushed is too large in size or irregular in shape, the direct entry into the crushing device can easily cause the device to be blocked, reduce the crushing efficiency, increase the frequency of device failure and maintenance cost, and affect the normal work and operation of the device. Therefore, it is urgent to improve the existing building aggregate crushing device and provide a building aggregate crushing device with pre-treatment. SUMMARY

[0004] The application aims to solve the problems in the prior art by providing a building aggregate crushing device with reasonable design, simple structure, pre-treatment function and fast multi-stage screening.

[0005] In order to achieve the above-mentioned purpose, the application adopts the following technical scheme:

[0006] A building aggregate crushing device with pre-treatment comprises:

[0007] A screening box is provided with a plurality of support plates fixed at equal intervals along the length direction of the bottom end of the screening box. The bottom of the screening box is open. A feeding pipe is arranged above the screening box. A support rod is fixedly installed between the left end of the feeding pipe and the top end of the screening box.

[0008] A hammer crusher is arranged for crushing building aggregate. The top feeding end of the hammer crusher is inlaid communication with the right end of the feeding pipe. The bottom discharging end of the hammer crusher is inlaid communication with the right end of the screening box.

[0009] The pre-processing mechanism comprises a pre-processing box and a pre-processing assembly installed inside the pre-processing box, and is used for pre-processing the building aggregate. A feeding hopper is inlaid in the upper left side of the pre-processing box. A first motor for controlling the operation of the pre-processing assembly is fixedly installed on the right outer wall of the pre-processing box.

[0010] The feeding assembly is located inside the feeding pipe and is used for transferring the building aggregate processed by the pre-processing mechanism into the hammer crusher. The feeding assembly is linked with the pre-processing assembly.

[0011] The vibrating screening mechanism is installed inside the screening box and is used for screening the crushed aggregate.

[0012] The controller is fixedly installed on the upper left side of the screening box. The controller comprises a shell, a central control module and an operation panel. The central control module is installed inside the shell and is electrically connected with the hammer crusher, the first motor and the second motor, and is used for controlling the operation of each mechanism. The operation panel is fixedly installed on the outer surface of the shell and is used for controlling the central control module.

[0013] As a preferred embodiment, the pre-processing assembly comprises a first horizontal shaft, a second horizontal shaft, a crushing roller, a gear and an upper sprocket. The first horizontal shaft and the second horizontal shaft are both bearing installed inside the pre-processing box and are symmetrically arranged about the pre-processing box. The first horizontal shaft and the second horizontal shaft are both fixedly sleeved with the crushing roller outside. The left end of the first horizontal shaft is fixedly sleeved with the upper sprocket outside. The right end of the first horizontal shaft is fixedly connected with the output shaft of the first motor.

[0014] As a preferred embodiment, the crushing blades outside the two crushing rollers are distributed in a staggered manner. The rotation directions of the two crushing rollers are opposite to each other.

[0015] As a preferred embodiment, the pre-processing box is fixedly provided with a guide plate on the inner wall of the front end and the rear end. The top of the guide plate is inclined. The bottom of the guide plate is provided with an arc-shaped concave surface on one side close to the other. The centers of the arc-shaped concave surfaces of the two guide plates are located on the horizontal center lines of the first horizontal shaft and the second horizontal shaft, respectively.

[0016] As a preferred embodiment, the feeding assembly comprises a feeding auger and a lower sprocket. The feeding auger is bearing installed inside the feeding pipe. The left end of the feeding auger is fixedly sleeved with the lower sprocket outside.

[0017] As a preferred embodiment, the lower sprocket and the upper sprocket are located on the same vertical plane and are linked by a chain.

[0018] As a preferred implementation form, the vibrating screening mechanism comprises a sieve plate, a second motor and an oval block, the sieve plate is arranged in an inclined manner inside the screening box, and the right end of the sieve plate is hingedly connected with the screening box, the second motor is fixedly installed on the right rear inner wall of the screening box, an oval block is fixedly installed on the output shaft of the second motor, and the outer layer of the oval block is bonded with a rubber ring.

[0019] As a preferred implementation form, three meshing parts are arranged inside the sieve plate along the length direction of the sieve plate, the internal hole diameters of the three meshing parts increase in sequence from right to left, the three meshing parts are arranged in a spaced manner with the support plates, and spaces are left between the top of the support plate and the sieve plate.

[0020] As a preferred implementation form, a leakage-proof plate is fixedly installed on the left end inner wall of the screening box, the side close to the sieve plate of the leakage-proof plate is in a concave surface, the center of the concave surface coincides with the hinge joint point of the sieve plate and the screening box, and the left end of the sieve plate slides on the surface of the concave surface of the leakage-proof plate.

[0021] Compared with the prior art, the present application has the following beneficial effects:

[0022] In the scheme of the present application:

[0023] In the device, the building aggregate can be preliminarily crushed by the pretreatment assembly and then further crushed in the hammer crusher, the building aggregate is pre-crushed and preliminarily loosened by the two crushing rollers, the building aggregate of too large size and irregular shape can be effectively crushed, the large building aggregate can be avoided from directly entering the hammer crusher to cause the equipment to be blocked, the risk of the device being blocked is significantly reduced, the overall crushing efficiency of the device is improved, and the frequency of equipment failure and the maintenance cost are greatly reduced.

[0024] The upper chain wheel, the lower chain wheel and the chain facilitate linkage between the crushing roller and the feeding auger, the number of installed motors can be reduced, the cost of the device is reduced, and the power source is reasonably distributed and utilized, the feeding amount is facilitated to be controlled by using the slowly and uniformly rotating feeding auger, and the crushing is facilitated to be avoided from being affected by the blockage caused by too much feeding in a short time.

[0025] The building aggregate processed by the pretreatment assembly and the hammer crusher can fall into the screening box and roll to the left and downward along the sieve plate in an inclined state, the building aggregate can pass through the three meshing parts in sequence, the internal hole diameters of the three meshing parts increase from right to left, the multi-stage preliminary screening of the crushed building aggregate is facilitated to be realized, the building aggregate falls between the support plates, the second motor is controlled to be started to rotate the oval block at a high speed, the sieve plate is facilitated to be vibrated at a high frequency, the screening speed is facilitated to be increased, and the rubber ring bonded with the outer layer of the oval block can avoid the sieve plate from being damaged. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments or prior art description, and then the drawings will be described as follows:

[0027] Figure 1 It is a perspective view of the structural schematic diagram of the present application;

[0028] Figure 2 It is a perspective view of the structural schematic diagram of the present application;

[0029] Figure 3 It is a left view of the structural schematic diagram of the pre-treatment box and the guide plate of the present application;

[0030] Figure 4 It is a perspective view of the structural schematic diagram of the present application;

[0031] Figure 5 It is a perspective view of the structural schematic diagram of the present application;

[0032] Figure 6 It is a perspective view of the structural schematic diagram of the present application;

[0033] In the figure:

[0034] 1, screening box; 2, support plate; 3, material conveying pipe; 4, hammer crusher; 5, feeding assembly; 51, material conveying auger; 52, lower sprocket; 53, chain; 6, pre-treatment box; 7, feeding hopper; 8, pre-treatment assembly; 81, first horizontal shaft; 82, second horizontal shaft; 83, crushing roller; 84, gear; 85, upper sprocket; 9, first motor; 10, guide plate; 11, support rod; 12, controller; 13, screen plate; 14, mesh part; 15, leakage prevention plate; 16, second motor; 17, oval block. DETAILED DESCRIPTION

[0035] The embodiments described below are only some of the embodiments consistent with the present application, and do not represent all the embodiments consistent with the present application. Now, the exemplary embodiments will be described as follows in combination with the drawings:

[0036] As Figures 1-6 shown, the pre-treatable building aggregate crushing device of the present application comprises:

[0037] A screening box 1, a plurality of support plates 2 are fixed at the bottom end of the screening box 1 along the length direction thereof at equal intervals, the bottom of the screening box 1 is open, a material conveying pipe 3 is arranged above the screening box 1, and a support rod 11 is fixedly installed between the left end of the material conveying pipe 3 and the top end of the screening box 1;

[0038] The hammer crusher 4 is used for crushing the building aggregate, the top feeding end of the hammer crusher 4 is inlaidly communicated with the right end of the feeding pipe 3, and the bottom discharging end of the hammer crusher 4 is inlaidly communicated with the right end of the screening box 1;

[0039] The pretreatment mechanism includes a pretreatment box 6 and a pretreatment assembly 8 installed on the inner side of the pretreatment box 6, and is used for pretreating the building aggregate, the upper left side of the pretreatment box 6 is inlaidly communicated with a feeding hopper 7, and a first motor 9 for controlling the operation of the pretreatment assembly 8 is fixedly installed on the right outer wall of the pretreatment box 6;

[0040] The feeding assembly 5 is located in the feeding pipe 3 and is used for transferring the building aggregate treated by the pretreatment mechanism into the hammer crusher 4, and the feeding assembly 5 is linked with the pretreatment assembly 8;

[0041] The vibrating screening mechanism is installed in the interior of the screening box 1 and is used for grading and screening the crushed aggregate;

[0042] The controller 12 is fixedly installed on the upper left side of the screening box 1, the controller 12 includes a shell, a central control module and an operation panel, the central control module is installed in the interior of the shell and is electrically connected with the hammer crusher 4, the first motor 9 and the second motor 16, is used for controlling the operation of each mechanism, and the operation panel is fixedly installed on the outer surface of the shell and is used for controlling the central control module.

[0043] On the basis of the above structure, the pretreatment assembly 8 includes a first horizontal shaft 81, a second horizontal shaft 82, a crushing roller 83, a gear 84 and an upper chain wheel 85, the first horizontal shaft 81 and the second horizontal shaft 82 are both bearingly installed on the inner side of the pretreatment box 6 and are symmetrically arranged about the pretreatment box 6, the crushing roller 83 is fixedly sleeved on the outer side of each of the first horizontal shaft 81 and the second horizontal shaft 82, the gears 84 that can be mutually engaged are fixedly sleeved on the outer sides of the left ends of the first horizontal shaft 81 and the second horizontal shaft 82, the upper chain wheel 85 is fixedly sleeved on the outer side of the left end of the first horizontal shaft 81, and the right end of the first horizontal shaft 81 is fixedly connected with the output shaft of the first motor 9.

[0044] On the basis of the above structure, the crushing blades on the outer sides of the two crushing rollers 83 are distributed in a staggered mode, and the rotation directions of the two crushing rollers 83 are opposite to each other.

[0045] In this embodiment, the first motor 9 is started to control the rotation of the first horizontal shaft 81, at this time, the two gears 84 that are engaged with each other are used, so that the second horizontal shaft 82 is conveniently controlled to rotate in the direction opposite to that of the first horizontal shaft 81, that is, the two crushing rollers 83 are controlled to rotate in opposite directions, so that the building aggregate put in can be pretreated.

[0046] On the basis of the above structure, the front and rear ends of the pre-treatment box 6 are fixed with guide plates 10, the top of the guide plate 10 is inclined, and the bottom of the two guide plates 10 is provided with an arc-shaped concave surface on one side close to each other, and the centers of the arc-shaped concave surfaces of the two guide plates 10 are located on the transverse center lines of the first horizontal shaft 81 and the second horizontal shaft 82 respectively.

[0047] In this embodiment, the guide plates 10 are used to facilitate the introduction of the building aggregates into the two crushing rollers 83, avoiding missing, and facilitating the full pretreatment of the building aggregates.

[0048] On the basis of the above structure, the feeding assembly 5 includes a feeding auger 51 and a lower chain wheel 52, the feeding auger 51 is bearing mounted on the inner side of the feeding pipe 3, and the outer side of the left end of the feeding auger 51 is fixed with the lower chain wheel 52.

[0049] On the basis of the above structure, the lower chain wheel 52 and the upper chain wheel 85 are located on the same vertical plane, and the chain 53 is installed therebetween to constitute a linkage.

[0050] In this embodiment, the upper chain wheel 85, the lower chain wheel 52 and the chain 53 are used to facilitate the linkage of the crushing roller 83 and the feeding auger 51, which can reduce the number of installed motors, reduce the cost of the equipment, and reasonably distribute and utilize the power source.

[0051] On the basis of the above structure, the vibrating screening mechanism includes a screen plate 13, a second motor 16 and an oval block 17, the screen plate 13 is arranged in an inclined manner on the inner side of the screening box 1, and the right end of the screen plate 13 is hingedly connected to the screening box 1, the second motor 16 is fixedly installed on the right rear inner wall of the screening box 1, the oval block 17 is fixedly installed on the output shaft of the second motor 16, and the outer layer of the oval block 17 is bonded with a rubber ring.

[0052] On the basis of the above structure, three mesh parts 14 are provided inside the screen plate 13 along the length direction thereof, the diameters of the inner holes of the three mesh parts 14 increase in sequence from right to left, the three mesh parts 14 are arranged in a spaced manner with the plurality of support plates 2, and the top of the support plate 2 is spaced from the screen plate 13.

[0053] On the basis of the above structure, the left end inner wall of the screening box 1 is fixed with a leakage-proof plate 15, one side of the leakage-proof plate 15 close to the screen plate 13 is concave, the center of the concave surface coincides with the hinge point of the screen plate 13 and the screening box 1, and the left end of the screen plate 13 is slidably attached to the surface of the concave surface of the leakage-proof plate 15.

[0054] In the embodiment, the second motor 16 is started to control the fast rotation of the elliptical block 17, which can push the screen plate 13 to vibrate at high frequency, thereby accelerating the screening speed, and the outer layer of the elliptical block 17 is bonded with a rubber ring to avoid damaging the screen plate 13, and the three mesh parts 14 facilitate the multi-stage preliminary screening of the crushed aggregate.

[0055] The working principle of the present application is as follows:

[0056] In use, first, the device is powered on through an external power supply, then the building aggregate to be crushed is put into the pretreatment box 6 through the feeding hopper 7, and the first motor 9 is started to control the first horizontal shaft 81 and the second horizontal shaft 82 to synchronously and reversely rotate by the two meshing gears 84, and the building aggregate is guided to the two crushing rollers 83 by the guide plate 10, and the two reversely rotating crushing rollers 83 realize the pre-crushing and preliminary loosening of the building aggregate, which can effectively crush the oversized and irregularly shaped aggregate, avoid the large building aggregate from directly entering the hammer crusher 4 to cause the device to be blocked, significantly reduce the risk of device blockage, improve the overall crushing efficiency of the device, and greatly reduce the frequency of device failure and maintenance cost.

[0057] When the first horizontal shaft 81 and the upper sprocket 85 rotate, the lower sprocket 52 and the feeding auger 51 can be rotated by the chain 53, so as to conveniently push the building aggregate that has been pretreated and falls into the feeding pipe 3 to the right into the hammer crusher 4, facilitate the further crushing of the building aggregate, and make the crushing more sufficient and the effect better, and the feeding auger 51 also facilitates the orderly and slow feeding of the pre-crushed building aggregate into the hammer crusher 4, avoiding the blockage caused by too much feeding in a short time.

[0058] The building aggregate that has been treated by the pretreatment assembly 8 and the hammer crusher 4 can fall into the screening box 1 and roll obliquely to the left and downward along the inclined screen plate 13, and the building aggregate can pass through the three mesh parts 14 in turn, the internal diameters of the three mesh parts 14 increase from right to left, thereby facilitating the multi-stage preliminary screening of the crushed aggregate, and falling into the multiple support plates 2, facilitating the taking of the aggregate, and the second motor 16 can also be started to control the fast rotation of the elliptical block 17, which can push the screen plate 13 to vibrate at high frequency, accelerate the screening speed, and the outer layer of the elliptical block 17 is bonded with a rubber ring to avoid damaging the screen plate 13.

[0059] It should be particularly pointed out that the hammer crusher 4, the first motor 9 and the second motor 16 are electrically connected with the controller 12, which are all existing electrical components, and the specific structure, power-on mode and control working principle are all mature and widely popularized technical means, so they are not described in detail.

[0060] The above merely describes preferred embodiments of the present application, and is not intended to limit the protection scope of the present application; any equivalent changes, modifications, replacements and variations made by those skilled in the art based on the concept of the present application, through logical analysis, reasoning or limited experiments, on the basis of the prior art, shall be within the protection scope defined by the claims.

Claims

1. A pre-treatable construction aggregate crushing plant, characterized in that, Include: Screening box (1), the bottom end of the screening box (1) is fixed with a plurality of support plates (2) equidistantly along its length direction, the bottom of the screening box (1) is open, and the upper side of the screening box (1) is provided with a feeding pipe (3), and a support rod (11) is fixedly installed between the left end of the feeding pipe (3) and the top end of the screening box (1); Hammer crusher (4), the hammer crusher (4) is used for crushing building aggregates, the top feeding end of the hammer crusher (4) is inlaid communication with the right end of the feeding pipe (3), and the bottom discharging end of the hammer crusher (4) is inlaid communication with the right end of the screening box (1); Pretreatment mechanism, including a pretreatment box (6) and a pretreatment assembly (8) installed on the inner side of the pretreatment box (6), for pretreating building aggregates, the upper left side of the pretreatment box (6) is inlaid communication with a feeding hopper (7), and a first motor (9) for controlling the operation of the pretreatment assembly (8) is fixedly installed on the right side outer wall of the pretreatment box (6); Feeding assembly (5), the feeding assembly (5) is located in the feeding pipe (3), used for transferring the building aggregates treated by the pretreatment mechanism into the hammer crusher (4), and the feeding assembly (5) is linked with the pretreatment assembly (8); Vibration screening mechanism, the vibration screening mechanism is installed in the interior of the screening box (1), used for grading and screening the crushed aggregates; Controller (12), the controller (12) is fixedly installed on the upper left side of the screening box (1), the controller (12) includes a shell, a central control module and an operation panel, the central control module is installed in the shell and is electrically connected with the hammer crusher (4), the first motor (9) and the second motor (16), used for controlling the operation of each mechanism, and the operation panel is fixedly installed on the outer surface of the shell, used for controlling the central control module.

2. A pre-treated construction aggregate crushing plant according to claim 1, characterised in that: The pretreatment assembly (8) includes a first horizontal shaft (81), a second horizontal shaft (82), a crushing roller (83), a gear (84) and an upper chain wheel (85), both the first horizontal shaft (81) and the second horizontal shaft (82) are bearing installed on the inner side of the pretreatment box (6) and are symmetrically arranged about the pretreatment box (6), both the outer sides of the first horizontal shaft (81) and the second horizontal shaft (82) are fixedly sleeved with the crushing roller (83), and the outer sides of the left ends of both are fixedly sleeved with the gears (84) that can be meshed with each other, the left end of the first horizontal shaft (81) is fixedly sleeved with the upper chain wheel (85), and the right end of the first horizontal shaft (81) is fixedly connected with the output shaft of the first motor (9).

3. A pre-treated construction aggregate crushing plant according to claim 2, characterised in that: The crushing blades on the outer sides of the two crushing rollers (83) are distributed in a staggered manner, and the rotation directions of the two crushing rollers (83) are opposite to each other.

4. A pre-treated construction aggregate crushing plant according to claim 3, characterised in that: The front and rear ends of the inner walls of the pretreatment box (6) are both fixedly provided with guide plates (10), the top of the guide plate (10) is inclined, the bottom of each of the two guide plates (10) is provided with an arc-shaped concave surface, and the centers of the arc-shaped concave surfaces of the two guide plates (10) are respectively located on the horizontal center lines of the first horizontal shaft (81) and the second horizontal shaft (82).

5. A pre-treated construction aggregate crushing plant according to claim 4, characterised in that: The feeding assembly (5) comprises a feeding auger (51) and a lower chain wheel (52), the feeding auger (51) is bearing-mounted on the inner side of the feeding pipe (3), and the outer side of the left end of the feeding auger (51) is fixedly sleeved with the lower chain wheel (52).

6. A pre-treated construction aggregate crushing plant according to claim 5, characterised in that: The lower chain wheel (52) and the upper chain wheel (85) are located on the same vertical plane, and a chain (53) is installed between the two to constitute linkage.

7. A pre-treated construction aggregate crushing apparatus as claimed in claim 1, wherein: The vibrating screening mechanism comprises a screen plate (13), a second motor (16) and an oval block (17), the screen plate (13) is arranged in an inclined manner on the inner side of the screening box (1), and the right end of the screen plate (13) is hingedly connected with the screening box (1); the second motor (16) is fixedly installed on the right rear inner wall of the screening box (1), an oval block (17) is fixedly installed on the output shaft of the second motor (16), and the outer layer of the oval block (17) is bonded with a rubber ring.

8. A pre-treated construction aggregate crushing plant according to claim 7, characterised in that: Three meshing portions (14) are formed in the screen plate (13) along the length direction, the diameters of the inner holes of the three meshing portions (14) gradually increase from right to left, the three meshing portions (14) are arranged in a spaced manner with the support plates (2), and spaces are left between the top of the support plate (2) and the screen plate (13).

9. A pre-treated construction aggregate crushing plant according to claim 8, characterised in that: The left end inner wall of the screening box (1) is fixedly provided with a leakage-proof plate (15), one side of the leakage-proof plate (15) close to the screen plate (13) is concave, the center of the concave surface coincides with the hinged point of the screen plate (13) and the screening box (1), and the left end of the screen plate (13) is slidably combined with the surface of the concave surface of the leakage-proof plate (15).

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