A compound swing screen

Abstract

The utility model discloses a compound rocking screen, which belongs to the field of rocking screens and comprises a first shell body, a second shell body and a base. A first filter screen is arranged in the first shell body, a first feed port is arranged on the top of the first shell body, and a second feed port is arranged on the top of the second shell body. The inner diameter of a feed introduction tube is smaller than the inner diameter of the first feed port, so that a certain gap is left between the feed introduction tube and the first feed port, so that a first material can pass through the gap into the first shell body for screening movement, and then a feed introduction tube is passed through the first filter screen, one end of the feed introduction tube is connected with the second feed port, and the other end of the feed introduction tube passes through the first feed port, so that the second material can pass through the feed introduction tube into the second shell body for screening movement without affecting the screening of the first material. Compared with a rocking screen which can only screen the same type of materials per unit time, the space utilization rate in this scheme is better.

Description

Technical Field

[0001] The utility model relates to the technical field of swing screens, in particular to a compound swing screen. Background Art

[0002] The swing screen is a high-efficiency screening machine specially designed to meet the needs of large-scale and high-precision screening. The swing screen imitates the artificial screening process to screen the materials placed inside the equipment. For different types of materials, multiple screening machines are required. For example, the authorization announcement number CN207971072U is a utility model patent for a swing screen. In this utility model, the screen body is movably arranged on the machine base, and a chamber is arranged in the screen body. The screen body and the eccentric member are respectively arranged in the chamber. The screen body is supported by a screen frame. The position and mass of the eccentric member can adjust the number of the screen body and the screen frame. The motor is connected to the screen body to drive the screen body to make eccentric movement, so that a part of the hard material passes through the screen hole, thereby improving the screening effect of fine hard materials.

[0003] However, the screening machine has only one chamber in its body and can only screen the same type of materials in a unit time. If various materials need to be screened at the same time, multiple screening machines are required, which is not only costly but also occupies more space. Utility Model Content

[0004] In view of this, it is necessary to provide a compound swing screen to solve the technical problems of high cost and low space utilization when screening multiple types of materials at the same time in the prior art.

[0005] The utility model provides a compound swing screen, comprising a first shell, a second shell and a base;

[0006] The base, the first shell and the second shell are connected in sequence from bottom to top;

[0007] A first filter screen is provided in the first shell, a first feed inlet is provided at the top of the first shell, and a second feed inlet is provided at the top of the second shell;

[0008] A feed pipe is provided on the first filter screen, one end of the feed pipe is connected to the second feed port, the other end of the feed pipe passes through the first feed port and points upward, and the inner diameter of the feed pipe is smaller than the inner diameter of the first feed port.

[0009] In one embodiment, a groove is formed on the top of the second shell, and a protrusion is correspondingly formed on the bottom of the first shell, and the protrusion is used to fit the groove.

[0010] In one of the embodiments, a sealing ring is embedded in the groove.

[0011] In one embodiment, a fastener is connected between the outer wall of the first shell and the outer wall of the second shell.

[0012] In one of the embodiments, the top of the base has a receiving cavity with an opening facing upward, and a vibration motor is placed in the receiving cavity. The vibration motor is used to drive the second shell to perform screening movement.

[0013] In one embodiment, a second filter is disposed in the second shell.

[0014] In one embodiment, an elastic member is provided between the base and the second shell.

[0015] In one embodiment, the side walls of the first shell and the second shell are both provided with discharge ports.

[0016] In one of the embodiments, a slot is provided on the outer wall of the discharge port.

[0017] In one of the embodiments, one end of the feed guide pipe passing through the first feed port is fixedly connected to the first feed port with a funnel.

[0018] Compared with the prior art, the compound swing screen provided by the utility model has the following beneficial effects:

[0019] On the one hand, the inner diameter of the feed pipe is smaller than the inner diameter of the first feed port, so that a certain gap is left between the feed pipe and the first feed port, so that a material can pass through the gap and enter the first shell for screening;

[0020] On the other hand, a feed pipe is provided through the first filter screen, one end of the feed pipe is connected to the second feed port, and the other end of the feed pipe passes through the first feed port, so that another material can pass through the feed pipe and enter the second housing for screening without affecting the screening of the first material;

[0021] To sum up, the first shell in this scheme makes full use of the space above the second shell, so that the first shell and the second shell perform screening movement together, achieving the effect of screening two types of materials at the same time. Compared with the swing screen that can only screen the same type of materials per unit time, the screening cost in this scheme is lower and the space utilization rate is better.

[0022] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the preferred embodiments of the utility model are described in detail as follows in conjunction with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0024] FIG1 is an isometric schematic diagram of a compound swing screen provided by the utility model;

[0025] Figure 2 for Figure 1 A top view of

[0026] Figure 3 for Figure 2 Middle AA section view;

[0027] Figure 4 for Figure 3 A magnified view of part A;

[0028] Figure 5 for Figure 1 A schematic structural diagram of the first shell;

[0029] Figure 6 for Figure 1 Schematic diagram of the structure of the second shell.

[0030] The figure numbers are as follows: 1. first shell; 11. first filter; 12. first feed port; 121. funnel; 13. feed guide pipe; 14. protrusion; 15. fastener; 151. hinged frame; 152. fastening bolt; 153. connecting hole; 2. second shell; 21. second feed port; 22. groove; 221. sealing ring; 23. second filter; 24. discharge port; 241. slot; 3. base; 31. vibration motor; 32. elastic member; 33. accommodating chamber. DETAILED DESCRIPTION

[0031] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0032] See also Figure 1-Figure 6 The utility model provides a compound swing screen, comprising a first shell 1, a second shell 2 and a base 3;

[0033] The base 3, the first shell 1 and the second shell 2 are connected in sequence from bottom to top;

[0034] A first filter screen 11 is disposed in the first housing 1, a first feed inlet 12 is provided at the top of the first housing 1, and a second feed inlet 21 is provided at the top of the second housing 2;

[0035] A feed pipe 13 is provided on the first filter screen 11 , one end of which is connected to the second feed port 21 , the other end of which passes through the first feed port 12 and points upward, and the inner diameter of the feed pipe 13 is smaller than the inner diameter of the first feed port 12 .

[0036] Specifically, on one hand, the inner diameter of the feed pipe 13 is smaller than the inner diameter of the first feed port 12, so that a certain gap is left between the feed pipe 13 and the first feed port 12, so that a material can pass through the gap and enter the first housing 1 for screening;

[0037] On the other hand, a feed pipe 13 is provided on the first filter screen 11, one end of the feed pipe 13 is connected to the second feed port 21, and the other end of the feed pipe 13 passes through the first feed port 12, so that another material can pass through the feed pipe 13 and enter the second housing 2 for screening without affecting the screening of the first material;

[0038] In summary, the first shell 1 in this scheme makes full use of the space above the second shell 2, so that the first shell 1 and the second shell 2 perform screening movement together, achieving the effect of screening two types of materials at the same time. Compared with the swing screen that can only screen the same type of materials per unit time, the screening cost in this scheme is lower and the space utilization rate is better.

[0039] First, the staff installs the first shell 1 and the second shell 2, and connects the feed pipe 13 to the second feed port 21, so that the feed pipe 13 is connected with the inside of the second shell 2; then, the material will be divided into two parts during the falling process, one part enters the second shell 2 along the feed pipe 13, and the other part enters the first shell 1 along the gap between the feed pipe 13 and the first feed port 12; finally, the first shell 1 and the second shell 2 start screening movement under the action of external force.

[0040] Furthermore, the first shell 1 and the second shell 2 are detachably connected. When the material screening task is not much, the first shell 1 and the second shell 2 are separated, and only the second shell 2 needs to perform screening movement, and the material enters the second shell 2 from the second feed port 21; when the material screening task is more, the first shell 1 and the second shell 2 are connected, so that the material not only passes through the feed pipe 13 to enter the second shell 2 for screening movement, but also enters the first shell 1 from the first feed port 12 for screening movement, so that the staff can choose the swing screen in the appropriate state according to the workload, which is beneficial to control the screening cost of the material.

[0041] Furthermore, in this embodiment, a groove 22 is formed on the top of the second shell 2 , and a protrusion 14 is correspondingly formed on the bottom of the first shell 1 , and the protrusion 14 is used to fit into the groove 22 .

[0042] Furthermore, in this embodiment, a sealing ring 221 is embedded in the groove 22. Specifically, the function of the protrusion 14 and the groove 22 is to facilitate the connection between the first shell 1 and the second shell 2, and the function of the sealing ring 221 is to improve the sealing effect of the connection between the protrusion 14 and the groove 22 to prevent the material in the first shell 1 from leaking from between the groove 22 and the protrusion 14.

[0043] Furthermore, a protrusion 14, a groove 22 and a sealing ring 221 are also provided at the connection between the feed pipe 13 and the second feed port 21, which is beneficial to improve the sealing effect of the feed pipe 13 and the second feed port 21, and prevent the material from leaking from the connection between the feed pipe 13 and the second feed port 21 to the first shell 1, thereby ensuring that the material in the feed pipe 13 can only enter the second shell 2 for screening.

[0044] Further, in the present embodiment, a fastener 15 is connected between the outer wall of the first shell 1 and the outer wall of the second shell 2. Specifically, in order to improve the stability of the first shell 1 and the second shell 2, the number of the fasteners 15 is more than five, and the fasteners 15 include an articulated frame 151, a fastening bolt 152 and a connecting hole 153. The outer wall of the first shell 1 is fixedly connected with the articulated frame 151, and the outer wall of the second shell 2 is fixedly connected with the connecting hole 153. When the first shell 1 and the second shell 2 perform screening movement together, one end of the fastening bolt 152 is articulated with the articulated frame 151, and the other end of the fastening bolt 152 is threadedly connected with the connecting hole 153. Under the action of the fastening bolt 152, the sealing ring 221 will be compressed, thereby improving the sealing of the connection between the first shell 1 and the second shell 2. At the same time, the normal operation of the first shell 1 and the second shell 2 is guaranteed, and the problems of misalignment or falling off between the first shell 1 and the second shell 2 are avoided.

[0045] Furthermore, in this embodiment, the top of the base 3 has a receiving cavity 33 with an opening facing upward, and a vibration motor 31 is placed in the receiving cavity 33, and the vibration motor 31 is used to drive the second shell 2 to perform screening movement. Specifically, the vibration motor 31 is used to drive the second shell 2 to perform screening movement, thereby achieving the purpose of the second shell 2 screening materials.

[0046] It should be noted that the basic principle of the vibration motor 31 is to use a weight (unbalanced weight) installed on the motor shaft to convert the motor's rotational motion into horizontal, vertical and inclined three-dimensional motion, and then transmit this motion to the screen surface, so that the material makes an outward expansion involute motion on the screen surface, thereby realizing material screening.

[0047] Furthermore, in this embodiment, a second filter screen 23 is provided in the second housing 2. Specifically, the second filter screen 23 is used to screen the material in the second housing 2.

[0048] Furthermore, in this embodiment, an elastic member 32 is provided between the base 3 and the second shell 2. Specifically, the elastic member 32 can be made of rubber or spring, which is used to support the second shell 2 on the one hand and to ease the screening movement of the second shell 2 on the other hand to ensure the normal operation of the second shell 2.

[0049] Furthermore, in this embodiment, the side walls of the first shell 1 and the second shell 2 are both provided with a discharge port 24. Specifically, the function of the discharge port 24 is to discharge the screened material from the discharge port 24.

[0050] Furthermore, in this embodiment, a slot 241 is provided on the outer wall of the discharge port 24. Specifically, the slot 241 is used to fix the plastic tube, and the staff can use a rubber ring to tighten the plastic tube in the slot 241 to prevent the discharged material from shaking with the shaking of the swing screen, so that the material can accurately enter the preset position.

[0051] Further, in this embodiment, one end of the feed pipe 13 passing through the first feed port 12 is fixedly connected to the first feed port 12 with a funnel 121. Specifically, the funnel 121 is used to expand the inner diameter of the feed pipe 13 and the first feed port 12, so that the material can pass through the feed pipe 13 or the gap between the first feed port 12 and the feed pipe 13 more smoothly.

[0052] The specific working process of the utility model is as follows: first, the staff moves the first shell 1 to the top of the second shell 2 through a crane, and the feed pipe 13 is connected to the second feed port 21, so that the feed pipe 13 is connected to the second shell 2; secondly, the fastener 15 is reinforced, and under the action of the fastener 15, the first shell 1 and the second shell 2 are tightly connected; then, the material will be divided into two parts during the falling process, one part enters the second shell 2 along the feed pipe 13, and the other part enters the first shell 1 along the gap between the feed pipe 13 and the first feed port 12; finally, the vibration motor 31 is started, and the second shell 2 starts the screening movement, and then drives the first shell 1 to do the screening movement together. Compared with the single-shell swing screen, the overall screening efficiency is effectively improved.

[0053] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be covered within the protection scope of the present invention.

Claims

1. A compound swing screen, characterized in that: It includes a first shell, a second shell and a base; The base, the first shell and the second shell are connected in sequence from bottom to top; A first filter screen is provided in the first shell, a first feed inlet is provided at the top of the first shell, and a second feed inlet is provided at the top of the second shell; A feed pipe is provided on the first filter screen, one end of the feed pipe is connected to the second feed port, the other end of the feed pipe passes through the first feed port and points upward, and the inner diameter of the feed pipe is smaller than the inner diameter of the first feed port.

2. A compound swing screen according to claim 1, characterized in that: The top of the second shell is provided with a groove, and the bottom of the first shell is correspondingly provided with a protrusion, and the protrusion is used to fit the groove.

3. A compound swing screen according to claim 2, characterized in that: A sealing ring is embedded in the groove.

4. A compound swing screen according to claim 1, characterized in that: A fastener is connected between the outer wall of the first shell and the outer wall of the second shell.

5. A compound swing screen according to claim 1, characterized in that: The top of the base is provided with a receiving cavity with an opening facing upward, and a vibration motor is placed in the receiving cavity. The vibration motor is used to drive the second shell to perform screening movement.

6. A compound swing screen according to claim 1, characterized in that: A second filter is arranged in the second shell.

7. A compound swing screen according to claim 1, characterized in that: An elastic member is provided between the base and the second shell.

8. A compound swing screen according to claim 1, characterized in that: The side walls of the first shell and the second shell are both provided with discharge ports.

9. A compound swing screen according to claim 8, characterized in that: The outer wall of the discharge port is provided with a clamping groove.

10. A compound swing screen according to claim 1, characterized in that: One end of the feed introduction pipe passing through the first feed inlet is fixedly connected to the first feed inlet with a funnel.

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