Concrete screening device

Abstract

The utility model discloses a concrete screening device which comprises a machine shell and supporting legs welded to the bottom of the machine shell, a material distributing assembly is installed at the top of the machine shell, and a screening assembly is installed in the machine shell. The material distributing assembly comprises carrying plates symmetrically welded to the surface of the machine shell, rubber bases bonded to the surfaces of the carrying plates, a feeding hopper fixedly connected to the end faces of the rubber bases, and material distributing rods installed in the feeding hopper at equal intervals. A material distributing assembly is installed at the top of the machine shell, concrete raw materials are added to the position of the feeding hopper, under the action of a material distributing rod, the materials are buffered and distributed, the materials passing through the feeding hopper impact on the surface of the metal screen, the raw materials are distributed again through a material distributing base, the raw materials are not prone to accumulation, and the screening performance is improved; and the metal screen is effectively protected, and the service life is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete production and processing devices, and specifically relates to a concrete screening device. Background Art

[0002] Before using the raw materials of concrete, they need to be screened with a screen to screen out the large particles.

[0003] After searching, a concrete screening device with an existing announcement number of CN218890805U is found, which includes a support, a hopper for carrying concrete raw materials is installed on the top surface of the support, and a vibration motor for driving the hopper to vibrate is installed between the hopper and the support, and there are multiple groups of vibration motors, and the side of the support opposite to the hopper is equipped with ear blocks for connection, and there are two groups of ear blocks, and a shock absorber for shock absorption is hinged between the two groups of ear blocks through a rotating shaft, and a buffer spring for support is installed on the outer periphery of the shock absorber and between the hopper and the support, and there are multiple groups of buffer springs; through the design of the vibration motor, the hopper, the buffer spring and the shock absorber, it is convenient to automatically screen the sand and gravel in the concrete raw materials, which is convenient to save manpower and has high efficiency, and the design of the screen plate, the cushion seat, the screw hole and the screw is convenient to install the screen plate for screening the sand and gravel in the concrete raw materials;

[0004] In the current existing technology, during the screening process of concrete raw materials, the materials directly impact the surface of the screen, which not only causes the raw materials to accumulate, but also causes the raw materials accumulation position of the screen to be subjected to a large impact force, resulting in deformation or even damage. Therefore, it is necessary to design a concrete screening device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a concrete screening device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a concrete screening device, comprising a casing and legs welded to the bottom of the casing, a material dividing assembly is installed at the top of the casing, and a screening assembly is installed inside the casing;

[0007] The material distribution assembly includes a carrier plate symmetrically welded to the surface of the housing, a rubber seat bonded to the surface of the carrier plate, a feed hopper fixedly connected to the end surface of the rubber seat, and a material distribution rod equidistantly installed inside the feed hopper;

[0008] The screening assembly includes a support seat symmetrically welded to the inner wall of the casing, a spring seat fixedly connected to the surface of the support seat, a metal screen fixedly connected to the free end of the spring seat, and a vibration motor fixedly connected to the lower surface of the metal screen through an assembly plate.

[0009] Preferably, the feed hopper is arranged above the metal screen, and a material discharge gap is provided between the feed hopper and the metal screen.

[0010] Preferably, a material guide groove is provided on the surface of the metal screen, and a material distribution seat is fixedly connected to the surface of the material guide groove of the metal screen.

[0011] Preferably, the material distribution seats are distributed in a rectangular array, and the material distribution seats are located below the feed hopper.

[0012] Preferably, the metal screen is arranged obliquely, and a feed end of the metal screen protrudes from the surface of the casing.

[0013] Preferably, a blanking plate is welded to the inner wall of the casing, and a blanking groove is provided on the surface of the blanking plate.

[0014] Preferably, the end of the blanking plate protrudes from the surface of the casing, and a sound-absorbing cotton pad is bonded to the lower surface of the blanking plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. A material dividing assembly is installed at the top of the casing. Add concrete raw materials to the feed hopper. Under the action of the material dividing rod, the materials are buffered and divided. The materials from the feed hopper impact the surface of the metal screen. The material dividing seat divides the raw materials again, which prevents the raw materials from piling up. The screening performance is improved, the metal screen is effectively protected, and its service life is extended.

[0017] 2. The large particles produced by screening flow along the metal screen to the outside of the casing. A discharge plate is welded on the inner wall of the casing, and the finely crushed materials flow along the discharge plate to the outside of the casing. The large particles and finely crushed materials are located on both sides of the casing, which is convenient for later processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the casing and blanking plate of the utility model;

[0020] Figure 3 This is a schematic diagram of the metal screen and vibration motor structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the material dividing component of the utility model.

[0022] In the figure: 1. Casing; 2. Feed hopper; 3. Distributing rod; 4. Metal screen; 401. Material guide trough; 5. Distributing seat; 6. Discharging plate; 601. Discharging trough; 7. Sound-absorbing cotton pad; 8. Support seat; 9. Spring seat; 10. Vibrating motor; 11. Rubber seat; 12. Carrier plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figures 1 to 4 The utility model provides a technical solution for a concrete screening device: comprising a casing 1 and legs welded to the bottom of the casing 1, a material separation component is installed at the top of the casing 1, and a screening component is installed inside the casing 1;

[0025] The material distribution assembly includes a carrier plate 12 symmetrically welded to the surface of the housing 1, a rubber seat 11 bonded to the surface of the carrier plate 12, a feed hopper 2 fixedly connected to the end surface of the rubber seat 11, and a material distribution rod 3 equidistantly installed inside the feed hopper 2;

[0026] The screening assembly includes a support seat 8 symmetrically welded to the inner wall of the casing 1, a spring seat 9 fixedly connected to the surface of the support seat 8, a metal screen 4 fixedly connected to the free end of the spring seat 9, and a vibration motor 10 fixedly connected to the lower surface of the metal screen 4 through an assembly plate.

[0027] The feed hopper 2 is erected above the metal screen 4, a material discharge gap is set between the feed hopper 2 and the metal screen 4, a material guide groove 401 is opened on the surface of the metal screen 4, and a material distribution seat 5 is fixedly connected to the surface of the material guide groove 401 of the metal screen 4. The material distribution seat 5 is distributed in a rectangular array, and the material distribution seat 5 is located below the feed hopper 2. The metal screen 4 is inclined, and the material discharge end of the metal screen 4 protrudes from the surface of the casing 1.

[0028] From the above description, it can be seen that the utility model has the following beneficial effects: a dividing assembly is installed at the top position of the casing 1, and concrete raw materials are added to the position of the feed hopper 2. Under the action of the dividing rod 3, the materials are buffered and divided, and the materials passing through the feed hopper 2 impact on the surface of the metal screen 4. The dividing seat 5 divides the raw materials again, and the raw materials are not easy to accumulate. The screening performance is improved, the metal screen 4 is effectively protected, and the service life is extended.

[0029] Example 2: Please refer to Figures 1 to 4As shown, based on the first embodiment, the utility model provides a technical solution for a concrete screening device: a blanking plate 6 is welded to the inner wall of the casing 1, a blanking trough 601 is provided on the surface of the blanking plate 6, the end of the blanking plate 6 protrudes from the surface of the casing 1, and a sound-absorbing cotton pad 7 is bonded to the lower surface of the blanking plate 6.

[0030] By adopting the above technical scheme, the large particle materials produced by screening flow along the metal screen 4 to the outside of the casing 1, the inner wall of the casing 1 is welded with a discharge plate 6, and the finely crushed materials flow along the discharge plate 6 to the outside of the casing 1. The large particle materials and the finely crushed materials are located on both sides of the casing 1, which is convenient for later processing.

[0031] The working principle and use process of the utility model are as follows: a dividing assembly is installed at the top of the casing 1, and concrete raw materials are added to the position of the feed hopper 2. Under the action of the dividing rod 3, the materials are buffered and divided, and the materials from the feed hopper 2 impact on the surface of the metal screen 4, and the dividing seat 5 divides the raw materials again, so that the raw materials are not easy to accumulate, and the screening performance is improved, and the metal screen 4 is effectively protected to extend the service life; the large particles produced by the screening flow along the metal screen 4 to the outside of the casing 1, and the inner wall of the casing 1 is welded with a discharge plate 6, and the finely crushed materials flow along the discharge plate 6 to the outside of the casing 1, and the large particles and the finely crushed materials are located on both sides of the casing 1, which is convenient for later processing.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0033] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A concrete screening device, comprising a housing (1) and legs welded to the bottom of the housing (1), characterized in that: A material separation component is installed at the top of the casing (1), and a screening component is installed inside the casing (1); The material distribution assembly comprises a carrier plate (12) symmetrically welded to the surface of the housing (1), a rubber seat (11) bonded to the surface of the carrier plate (12), a feed hopper (2) fixedly connected to the end surface of the rubber seat (11), and a material distribution rod (3) equidistantly installed inside the feed hopper (2); The screening assembly comprises a support seat (8) symmetrically welded to the inner wall of the housing (1), a spring seat (9) fixedly connected to the surface of the support seat (8), a metal screen (4) fixedly connected to the free end of the spring seat (9), and a vibration motor (10) fixedly connected to the lower surface of the metal screen (4) via an assembly plate.

2. A concrete screening device according to claim 1, characterized in that: The feed hopper (2) is mounted above the metal screen (4), and a material discharge gap is provided between the feed hopper (2) and the metal screen (4).

3. A concrete screening device according to claim 1, characterized in that: A material guide groove (401) is provided on the surface of the metal screen (4), and a material distribution seat (5) is fixedly connected to the surface of the material guide groove (401) of the metal screen (4).

4. A concrete screening device according to claim 3, characterized in that: The material distribution seats (5) are distributed in a rectangular array, and the material distribution seats (5) are located below the feed hopper (2).

5. A concrete screening device according to claim 1, characterized in that: The metal screen (4) is arranged at an angle, and a feed end of the metal screen (4) protrudes from the surface of the casing (1).

6. A concrete screening device according to claim 1, characterized in that: A blanking plate (6) is welded to the inner wall of the casing (1), and a blanking groove (601) is provided on the surface of the blanking plate (6).

7. A concrete screening device according to claim 6, characterized in that: The end of the blanking plate (6) protrudes from the surface of the casing (1), and a sound-absorbing cotton pad (7) is bonded to the lower surface of the blanking plate (6).

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