Screening machine with double feed ports for screening powdery materials
By using a dual-feed inlet design and brush cleaning, the problem of secondary crushing required by existing screening machines is solved, achieving efficient screening and convenient operation, and making it suitable for screening precious materials.
Patent Information
- Application Number
- CN202423204143.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing sieving machines typically have only one sealed feed inlet, which leads to spilled materials requiring secondary crushing, affecting the processing quality and operational convenience of valuable materials.
The dual-inlet screening machine is designed with one inlet sealed to external equipment and the other open for manual feeding to avoid secondary crushing. The material on the screen is also cleaned by a brush, improving screening efficiency.
It achieves efficient screening without the need for secondary crushing, improves the processing quality and operational convenience of valuable materials, and reduces the risk of material spillage.
Smart Images

Figure CN223902271U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of agricultural machinery technology, specifically a double-inlet powder screening machine for screening powdered materials. Background Technology
[0002] When screening materials crushed by a pulverizer, a sieving machine is generally used to separate the particle size. Currently used sieving machines typically have only one feed inlet, which is usually sealed to the feeding device via a connecting channel to prevent material from spilling out during feeding. With this setup, any spilled material during operation must be returned to the pulverizer for secondary crushing before being transported back to the sieving machine. This operation is cumbersome, and the material that has undergone secondary crushing may not meet processing requirements. This can have a significant impact on valuable materials, such as medicinal herbs, thus affecting subsequent processing.
[0003] In view of this, the present invention provides a dual-inlet powder screening machine for screening powdered materials to solve the above problems. Utility Model Content
[0004] This utility model features two feed inlets at the feed port. One inlet connects to an external feeding device, while the other is open for manual feeding of materials into the screening machine, thus facilitating operation and improving the practicality of the screening machine. Therefore, this utility model is completed.
[0005] This utility model provides a dual-inlet sieving machine for screening powdered materials, including a sieving barrel 1 and a support 4 for supporting the sieving barrel 1. The sieving barrel 1 has a main inlet 2 and a secondary inlet 3. The main inlet 2 is sealed to external equipment through a material conveying pipe. The secondary inlet 3 is open, allowing the user to manually add materials. Since secondary processing by a crusher is not required, it avoids the occurrence of materials that do not meet standards and facilitates user operation. A motor 5 and a first transmission wheel 6 are arranged on the side of the sieving barrel 1 near the main inlet 2. A second transmission wheel 6 is fixedly mounted on the motor 5. The first drive wheel 7 is connected to the second drive wheel 6 via a belt. The first drive wheel 6 is driven to rotate by the motor 5. A drive rod 8 is fixedly connected to the first drive wheel 6. The drive rod 8 passes through the screening barrel 1 and is supported on the other side of the screening barrel 1 by a drive rod support part 11. The drive rod 8 is driven by the first drive wheel 6. The first drive wheel 6 and the drive rod 8 are concentrically arranged with the screening barrel 1. Below the main feed inlet 2, a pusher winch 12 is provided on the drive rod 8 to transport materials into the screening barrel 1.
[0006] Further, the inside of the screening barrel 1 is provided with a screen 14 in a concentric manner, the screen 14 is used for screening the material, a second discharge port 10 is arranged at the bottom of the screen 14, the second discharge port 10 is in the shape of an inverted triangle, and an opening is arranged at the bottom, fine material screened by the screen 14 is discharged from the second discharge port 10, and coarse material is discharged from the first discharge port 9 arranged close to the transmission rod supporting part 11.
[0007] Further, a brush 13 is arranged on the transmission rod 8, the brush 13 is arranged in a concentric manner with the screening barrel 1, the length of the brush 13 is consistent with the length of the screen 14, and the diameter of the brush 13 is matched with the diameter of the screen 14, through the rotation of the transmission rod 8, the material in the screening barrel 1 and the material adhered to the screen 14 are brushed, and the screening effect is improved.
[0008] Further, the brush 13 is arranged in two pieces and is arranged in a symmetrical manner on the transmission rod 8.
[0009] Further, the motor 5 is fixed to the support 4 through a supporting part and is connected with an external power supply.
[0010] Further, a cover plate is arranged at the opening of the auxiliary feeding port 3, the auxiliary feeding port 3 is closed when not in use, so that the material is prevented from spilling out of the auxiliary feeding port 3.
[0011] Further, external cover plates are arranged on the first transmission wheel 6 and the second transmission wheel 7, the first transmission wheel 6 and the second transmission wheel 7 are protected, the material is prevented from spilling into the first transmission wheel 6 and the second transmission wheel 7, the transmission effect is not affected, and the safety of the operator is protected.
[0012] Compared with the prior art, the double feeding port powder screening machine for screening powder material has the following technical advantages:
[0013] The double feeding port powder screening machine for screening powder material has the following technical advantages: the main feeding port 2 is connected with an external feeding device, and the auxiliary feeding port 3 is open, so that the user can manually add the material into the screening machine, the material is not subjected to secondary processing by a pulverizer, and the situation that the material does not meet the standard is avoided, and the two brushes 13 are arranged to brush the material in the screening barrel 1 and the material adhered to the screen 1, and the screening effect is improved.
[0014] Other features and advantages of the double feeding port powder screening machine for screening powder material will be described in detail in the following specific implementation manner part. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The figure is a schematic view of the overall structure of the double feeding port powder screening machine for screening powder material.
[0016] The reference signs are as follows:
[0017] 1 - screening barrel; 2 - main feeding port; 3 - auxiliary feeding port; 4 - support; 5 - motor; 6 - first transmission wheel; 7 - second transmission wheel; 8 - transmission rod; 9 - first discharge port; 10 - second discharge port; 11 - transmission rod support part; 12 - pushing winch; 13 - brush; 14 - screen. DETAILED DESCRIPTION
[0018] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.
[0019] Embodiment A double-feeding-port powder screening machine for screening powder materials
[0020] As shown in Figure 1 the drawings
[0021] A double-feeding-port powder screening machine for screening powder materials, comprising a screening barrel 1 and a support 4 for supporting the screening barrel 1, a main feeding port 2 and an auxiliary feeding port 3 are formed on the screening barrel 1, the main feeding port 2 is sealingly connected with external equipment through a material conveying pipeline, the auxiliary feeding port 3 is provided in an open type for a user to manually add materials, which avoids the secondary processing by a pulverizer and the occurrence of non-standard materials, and facilitates the operation of the user; a motor 5 and a first transmission wheel 6 are arranged on one side of the screening barrel 1 close to the main feeding port 2, a second transmission wheel 7 is fixedly arranged on the motor 5, the second transmission wheel 7 is connected with the first transmission wheel 6 through a belt, the first transmission wheel 6 is driven to rotate by the motor 5, a transmission rod 8 is fixedly connected to the first transmission wheel 6, the transmission rod 8 penetrates through the screening barrel 1 and is supported by a transmission rod support part 11 on the other side of the screening barrel 1, the transmission rod 8 is driven by the first transmission wheel 6, the first transmission wheel 6 and the transmission rod 8 are concentrically arranged with the screening barrel 1; a pushing winch 12 is arranged on the transmission rod 8 below the main feeding port 2, for conveying materials into the screening barrel 1.
[0022] In the embodiment, the inside of the screening barrel 1 is provided with a screen 14 in concentric arrangement, for screening the material, and a second discharge port 10 is arranged at the bottom of the screen, which is in the shape of an inverted triangle and is provided with an opening at the bottom, and the fine material screened by the screen 14 is discharged from the second discharge port 10, and the coarse material is discharged from the second discharge port 9 arranged close to the transmission rod support part 11. A brush 13 is arranged on the transmission rod 8, which is arranged concentrically with the screening barrel 1, the length of the brush 13 is consistent with the length of the screen 14, and the diameter of the brush 13 is matched with the diameter of the screen 14, and by rotating the transmission rod 8, the material in the screening barrel 1 and the material adhered to the screen 14 are brushed, so as to improve the screening effect. The brush 13 is arranged in two pieces and is arranged symmetrically on the transmission rod 8.
[0023] In the embodiment, the motor 5 is fixed to the support 4 by a support member and is connected with an external power supply.
[0024] In the embodiment, a cover plate is arranged at the opening of the auxiliary feeding port 3, so as to close the auxiliary feeding port 3 when not in use, to avoid the material from spilling out of the auxiliary feeding port 3.
[0025] In the embodiment, an external cover plate is arranged on the first transmission wheel 6 and the second transmission wheel 7, to protect the first transmission wheel 6 and the second transmission wheel 7, avoid the material from spilling in, affect the transmission effect, and protect the safety of the operator.
[0026] The double feeding port powder screening machine for screening powder material provided in the embodiment has the following use method:
[0027] According to the specific situation, the operator connects the external feeding pipe after the main feeding port 2, starts the motor 5, and screens the material; the screened material is discharged from the first discharge port 9 and the second discharge port 10, and after being discharged, the screening effect is checked, since the screening effect is related to the power of the motor 5, the power needs to be adjusted according to the screening effect, and during the adjustment, the coarse material screened needs to be screened again, at this time, the cover plate on the auxiliary feeding port 3 is opened, the material is added to the screening machine again, and the material is screened again; after the screening effect of the screening machine reaches the ideal standard, the auxiliary feeding port 3 is closed, and the normal screening is performed, and during this period, the material may be spilled due to various reasons, the spilled material is collected, and the material is screened again through the auxiliary feeding port 3.
[0028] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any person skilled in the art can make minor changes or modifications to the disclosed technical content, or make equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any modification, equivalent change or modification of the above embodiments, which does not depart from the technical solution of the present application, is still within the scope of the technical solution of the present application.
Claims
1. A double inlet screen for screening powder materials, comprising a screening barrel (1) and a support (4) for supporting the screening barrel (1), characterized in that: The sieve barrel (1) is provided with a main feeding port (2) and a secondary feeding port (3), the main feeding port (2) is sealingly connected with external equipment through a material conveying pipeline, and the secondary feeding port (3) is provided in an open type; a motor (5) and a first transmission wheel (6) are arranged on one side of the sieve barrel (1) close to the main feeding port (2), a second transmission wheel (7) is fixedly arranged on the motor (5), the second transmission wheel (7) is connected with the first transmission wheel (6) through a belt, the first transmission wheel (6) is driven to rotate by the motor (5), a transmission rod (8) is fixedly connected to the first transmission wheel (6), the transmission rod (8) penetrates through the sieve barrel (1) and is supported by a transmission rod support portion (11) on the other side of the sieve barrel (1), the transmission rod (8) is driven to rotate by the first transmission wheel (6), and the first transmission wheel (6) and the transmission rod (8) are concentrically arranged with the sieve barrel (1); A material pushing roller (12) is arranged on the transmission rod (8) below the main feeding port (2) and used for conveying material into the sieve barrel (1).
2. A double inlet screen mill for screening powder materials according to claim 1, characterized in that: A screen (14) is concentrically arranged in the sieve barrel (1) and used for screening material, a second discharging port (10) is arranged at the bottom of the screen and is in the shape of an inverted triangle, an opening is arranged at the bottom, fine material screened by the screen (14) is discharged from the second discharging port (10), and coarse material is discharged from a first discharging port (9) arranged close to the transmission rod support portion (11).
3. A double inlet screen mill for screening powder materials according to claim 2, characterized in that: A brush (13) is arranged on the transmission rod (8), the brush (13) is concentrically arranged with the sieve barrel (1), the length of the brush (13) is consistent with the length of the screen (14), the diameter of the brush (13) is matched with the diameter of the screen (14), and the material in the sieve barrel (1) and the material adhered to the screen (14) are brushed by rotating the transmission rod (8).
4. A double inlet screen mill for screening powder materials according to claim 3, characterized in that: The brush (13) is provided with two parts and is symmetrically arranged on the transmission rod (8).
5. A double inlet screen mill for screening powder materials as claimed in claim 1, wherein: The motor (5) is fixed to the support (4) by a support member and is connected with an external power supply.
6. A double inlet screen mill for screening powder materials as claimed in claim 1, wherein: A cover plate is arranged at the opening of the secondary feeding port (3), the secondary feeding port (3) is closed when not in use, so that material is prevented from spilling out of the secondary feeding port (3).
7. A double inlet screen mill for screening powder materials as claimed in claim 1, wherein: External cover plates are arranged on the first transmission wheel (6) and the second transmission wheel (7) and used for protecting the first transmission wheel (6) and the second transmission wheel (7).