Multipurpose drum screening equipment
By designing a detachable outer screen cylinder and a multi-drive mechanism, the limited applicability of existing drum screen equipment has been solved, achieving efficient and multi-purpose screening and reducing labor costs.
Patent Information
- Application Number
- CN202520169488.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Existing rotary drum screen equipment is limited to a single process or a single product category. It is cumbersome to operate, requires high equipment investment from enterprises or individuals, has low efficiency, and is not convenient for observation and maintenance.
A multi-purpose drum screening device was designed, which adopts a detachable outer screen cylinder and multiple drive mechanisms to support the replacement of different screen hole diameters. Combined with the main shaft rotor and slag discharge auger, it achieves efficient screening and discharge, and is equipped with a transparent observation window for real-time monitoring.
The equipment is multifunctional and applicable to various types and industries, achieving higher production efficiency and reducing labor costs. It is suitable for efficient screening of various materials and simplifies the operation and maintenance process.
Smart Images

Figure CN223788914U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of screening equipment technology, specifically a multi-purpose drum screening device. Background Technology
[0002] Screening equipment is a mechanical device that uses the relative movement between granular materials and the screen surface to allow some particles to pass through the screen holes, separating materials such as sand, gravel, and crushed stone into different grades according to particle size.
[0003] Rotary drum screens are a widely used type of screening equipment. They control the sorting of materials based on their type and diameter, resulting in high sorting accuracy.
[0004] The drum of a rotary screen is generally divided into several sections, depending on the specific situation. The screen holes can be arranged in the same order or from small to large. The screen hole diameter is the same on each section. Rotary drum screens are easy to seal and collect dust, require little maintenance, are simple to maintain, and have a long service life. As a professional screening equipment, rotary drum screens are widely accepted by users and are frequently used in the cleaning, grading, and recycling of materials in agriculture, animal husbandry, wool, medicine, and mining (refractory materials, coal, river sand grading, sand and gravel, etc.).
[0005] However, there are too many types of existing drum screen equipment, and the equipment currently available on the market has significant limitations. It is only suitable for a single process or a single product category, and the equipment investment for enterprises or individuals is too high. It is not suitable for multiple types and industries, the operation is cumbersome, it is not convenient for observation and maintenance, the labor cost is high, and the efficiency is low. Therefore, we provide a multi-purpose drum screen equipment to solve the above problems. Utility Model Content
[0006] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a multi-purpose drum screening device.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a multi-purpose drum screening device, comprising a frame body, wherein a feed hopper and a V-shaped collection trough are fixedly connected inside the frame body, and a rotatable and detachable outer screen cylinder is connected to one side of the feed hopper, and the detachable outer screen cylinder is rotatably connected to the frame body through a support wheel assembly, a main shaft rotor is provided inside the detachable outer screen cylinder, and one end of the main shaft rotor passes through the feed hopper and extends to the outside of the feed hopper, both ends of the main shaft rotor are connected to the frame body through bearing bases, a slag discharge auger is provided inside the V-shaped collection trough, and both ends of the slag discharge auger are connected to the V-shaped collection trough through bearing bases, and a main shaft transmission mechanism for driving the main shaft rotor, an auger transmission mechanism for driving the slag discharge auger, and a screen cylinder transmission mechanism for driving the detachable outer screen cylinder are provided inside the frame body.
[0008] Furthermore, the main spindle transmission mechanism includes a main spindle motor fixedly connected to the main frame body, and a drive pulley fixedly connected to the output shaft end of the main spindle motor. One end of the main spindle rotor is fixedly connected to a driven pulley, and the drive pulley and the driven pulley are connected by belt drive.
[0009] Furthermore, the auger transmission mechanism includes an auger motor fixedly connected to the frame body, and a drive sprocket fixedly connected to the output shaft end of the auger motor. A driven sprocket is fixedly connected to one end of the slag discharge auger, and the drive sprocket and the driven sprocket are connected by chain drive.
[0010] Furthermore, the screen cylinder transmission mechanism includes a gear ring motor fixedly connected to the main frame body, and a gear ring gear fixedly connected to the output shaft end of the gear ring motor. The outer surface of the detachable outer screen cylinder is fixedly connected with a screen cylinder gear that matches the gear ring gear, and the gear ring gear and the screen cylinder gear mesh with each other.
[0011] Furthermore, a limit wheel assembly is fixedly connected to the main frame, and the screen cylinder gear passes through the two wheel-shaped structures of the limit wheel assembly.
[0012] Furthermore, a feed inlet is connected above the feed hopper, and a slag outlet is provided at the bottom of the V-shaped collecting trough.
[0013] Furthermore, a transparent viewing window is provided on the detachable outer screen cylinder, and a transparent slag discharge viewing window is provided on the V-shaped collection trough.
[0014] Compared with existing technologies, this multi-purpose drum screening equipment has the following advantages:
[0015] 1. This utility model features a detachable outer screen cylinder, which facilitates the replacement of outer screen cylinders with different screen hole diameters provided by the manufacturer. It can be used to process different materials according to customer needs, thereby more accurately improving production capacity and reducing subsequent investment. At the same time, the hammer-type main shaft rotor can improve production efficiency, increase output efficiency, save time, and reduce labor costs, thus solving the problem of high investment and low return for enterprises or individuals. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;
[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;
[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 3 ;
[0019] Figure 4 This is a schematic diagram of the main shaft transmission mechanism of this utility model;
[0020] Figure 5 This is a schematic diagram of the screen cylinder transmission mechanism of this utility model;
[0021] Figure 6 This is a schematic diagram of the auger transmission mechanism of this utility model.
[0022] In the diagram: 1. Main frame; 2. Feed hopper; 3. V-shaped collection trough; 4. Detachable outer screen cylinder; 5. Main shaft rotor; 6. Slag discharge auger; 7. Slag discharge port; 8. Main shaft motor; 9. Drive pulley; 10. Driven pulley; 11. Screen cylinder observation window; 12. Auger motor; 13. Drive sprocket; 14. Driven sprocket; 15. Slag discharge observation window; 16. Gear ring motor; 17. Gear ring gear; 18. Screen cylinder gear; 19. Limit wheel assembly; 20. Feed inlet. Detailed Implementation
[0023] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.
[0024] See Figure 1 - Figure 6 This embodiment proposes a multi-purpose drum screening device, including a frame body 1. The inside of the frame body 1 is fixedly connected to a feed bin 2 and a V-shaped collection trough 3. One side of the feed bin 2 is connected to a rotatable and detachable outer screen cylinder 4.
[0025] See Figure 1 The detachable outer screen cylinder 4 here is a replaceable screening cylinder, which has several filter holes. The difference between different screening cylinders is that their filter cylinder sizes are different, so as to selectively screen materials of different sizes.
[0026] Furthermore, the detachable outer screen cylinder 4 is rotatably connected to the main frame 1 via a set of support wheels.
[0027] See Figure 1 The wheel-shaped structure installed between the main frame 1 and the detachable outer screen cylinder 4 is the support wheel assembly. Specifically, the support wheel assembly is fixed on the main frame 1, and its wheel part is in contact with the outer surface of the detachable outer screen cylinder 4. When the detachable outer screen cylinder 4 rotates, it can support the detachable outer screen cylinder 4 and provide guidance for the rotation of the detachable outer screen cylinder 4, so as to avoid the detachable outer screen cylinder 4 from deviating from its axis when rotating.
[0028] The detachable outer screen cylinder 4 is equipped with a main shaft rotor 5. One end of the main shaft rotor 5 passes through the feed bin 2 and extends to the outside of the feed bin 2. Both ends of the main shaft rotor 5 are connected to the frame body 1 through bearing bases.
[0029] Here, the main shaft rotor 5 is a shaft-mounted structure with an added hammer-type auxiliary component on the intermediate main shaft. It should be noted that the rotation direction of the detachable outer screen cylinder 4 and the main shaft rotor 5 under their respective drive structures must be opposite to achieve a relatively high rotation speed between the two, so as to maximize the purpose of stirring and screening the material inside the detachable outer screen cylinder 4.
[0030] The V-shaped material collection trough 3 is equipped with a slag discharge auger 6, and both ends of the slag discharge auger 6 are connected to the V-shaped material collection trough 3 through bearing bases. The frame body 1 is equipped with a main shaft transmission mechanism for driving the main shaft rotor 5, an auger transmission mechanism for driving the slag discharge auger 6, and a screen cylinder transmission mechanism for driving the detachable outer screen cylinder 4.
[0031] The slag discharge auger 6 here is the discharge device that drives the slag material.
[0032] The main spindle drive mechanism includes a main spindle motor 8 fixedly connected to the main frame 1, and a drive pulley 9 fixedly connected to the output shaft end of the main spindle motor 8. One end of the main spindle rotor 5 is fixedly connected to a driven pulley 10, and the drive pulley 9 and the driven pulley 10 are connected by belt drive.
[0033] By setting up a main spindle motor 8, and cooperating with a drive pulley 9 and a driven pulley 10, power can be transmitted to the main spindle rotor 5 to drive the main spindle rotor 5 to rotate.
[0034] The auger transmission mechanism includes an auger motor 12 fixedly connected to the frame body 1, and a drive sprocket 13 fixedly connected to the output shaft end of the auger motor 12. One end of the slag discharge auger 6 is fixedly connected to a driven sprocket 14, and the drive sprocket 13 and the driven sprocket 14 are connected by a chain drive.
[0035] By setting up the auger motor 12, and cooperating with the drive sprocket 13 and the driven sprocket 14, the slag discharge auger 6 can be powered to achieve the purpose of driving the slag discharge auger 6 to collect and discharge the slag inside the V-shaped collection trough 3.
[0036] The screen cylinder transmission mechanism includes a gear ring motor 16 fixedly connected to the frame body 1, and a gear ring gear 17 fixedly connected to the output shaft end of the gear ring motor 16. The outer surface of the detachable outer screen cylinder 4 is fixedly connected to a screen cylinder gear 18 that matches the gear ring gear 17, and the gear ring gear 17 and the screen cylinder gear 18 mesh with each other.
[0037] By setting a gear ring motor 16, and cooperating with gear ring gear 17 and screen cylinder gear 18, the detachable outer screen cylinder 4 can be rotated slowly, so that a large relative motion is generated between the detachable outer screen cylinder 4 and the main shaft rotor 5, thereby improving the screening efficiency.
[0038] A limiting wheel set 19 is fixedly connected to the main frame 1, and the screen cylinder gear 18 passes through the two wheel-shaped structures of the limiting wheel set 19.
[0039] The limit wheel set 19 can limit the movement trajectory of the screen cylinder gear 18, so as to avoid the phenomenon of off-axis when it rotates, and further avoid the phenomenon of deviation when the detachable outer screen cylinder 4 rotates.
[0040] The feed hopper 2 is connected to the feed inlet 20, and the V-shaped collection trough 3 has a slag outlet 7 at the bottom.
[0041] The feed inlet 20 facilitates the feeding of raw materials, while the slag outlet 7 allows for the quick collection of slag.
[0042] A transparent screen observation window 11 is provided on the detachable outer screen cylinder 4, and a transparent slag discharge observation window 15 is provided on the V-shaped collection trough 3.
[0043] By observing the square window 11 on the screen cylinder and the square window 15 for slag discharge, the internal state of the detachable outer screen cylinder 4 and the V-shaped collection trough 3 can be observed in real time. Even if the detachable outer screen cylinder 4 is rotating, the rotation speed of the detachable outer screen cylinder 4 is relatively slow, so the internal state of the detachable outer screen cylinder 4 can still be monitored at a high frequency.
[0044] See Figure 1 - Figure 3 Based on the modular structure of the device, the detachable outer screen cylinder 4 can be disassembled. The disassembly process can be carried out according to the actual installation steps. Since there is no protective structure on the outside of the detachable outer screen cylinder 4, the material that can be screened inside the detachable outer screen cylinder 4 should be: the impurities on the raw material are dust or other substances with a relatively light weight. Avoid using it for raw materials containing impurities with a relatively high weight, such as sand, soil or other impurities. Avoid situations where impurities fly out of the filter holes on the detachable outer screen cylinder 4 due to the rotation of the main shaft rotor 5, which may injure personnel or other instruments.
[0045] Working principle:
[0046] First, when material screening is required, the raw material is fed into the detachable outer screen cylinder 4 through the feed hopper 2 and feed inlet 20. Then, the main shaft motor 8, auger motor 12, and gear ring motor 16 are turned on. Under the driving effect of these three motors, the detachable outer screen cylinder 4, main shaft rotor 5, and slag discharge auger 6 all begin to rotate. As the detachable outer screen cylinder 4 and main shaft rotor 5 rotate, the raw material inside is agitated. After agitation, the heavier slag particles, such as dust and impurities, will pass through the filter holes on the detachable outer screen cylinder 4 into the V-shaped collection trough 3. The screened raw material, such as… Figure 3 In the process, the material will be discharged through the driven pulley 10 on the main shaft rotor 5. At the same time, the slag discharge auger 6 inside the V-shaped collection trough 3 is also moving, which will collect and transmit the slag and discharge it through the slag discharge port 7. When different types of materials need to be screened, the detachable outer screen cylinder 4 can be disassembled according to the disassembly steps and replaced with a detachable outer screen cylinder 4 with a different size of filter hole. At the same time, during screening, the screening status inside the device can be observed in real time through the screen cylinder observation window 11 and the slag discharge observation window 15.
[0047] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A multi-purpose drum screening device, comprising a frame body (1), characterized in that: The main frame (1) is internally fixedly connected to a feed bin (2) and a V-shaped collection trough (3). One side of the feed bin (2) is connected to a rotatable and detachable outer screen cylinder (4), and the detachable outer screen cylinder (4) is rotatably connected to the main frame (1) through a support wheel assembly. The detachable outer screen cylinder (4) is internally equipped with a main shaft rotor (5), and one end of the main shaft rotor (5) passes through the feed bin (2) and extends to the outside of the feed bin (2). Both ends of the slag discharge auger (6) are connected to the main frame (1) through bearing bases. The V-shaped slag collection trough (3) is equipped with a slag discharge auger (6), and both ends of the slag discharge auger (6) are connected to the V-shaped slag collection trough (3) through bearing bases. The main frame (1) is equipped with a main shaft transmission mechanism for driving the main shaft rotor (5), an auger transmission mechanism for driving the slag discharge auger (6), and a screen cylinder transmission mechanism for driving the detachable outer screen cylinder (4).
2. The multi-purpose drum screening equipment according to claim 1, characterized in that: The main shaft transmission mechanism includes a main shaft motor (8) fixedly connected to the main frame body (1), and a drive pulley (9) fixedly connected to the output shaft end of the main shaft motor (8). One end of the main shaft rotor (5) is fixedly connected to a driven pulley (10), and the drive pulley (9) and the driven pulley (10) are connected by belt drive.
3. The multi-purpose drum screening device according to claim 1, characterized in that: The auger transmission mechanism includes an auger motor (12) fixedly connected to the frame body (1), and a drive sprocket (13) fixedly connected to the output shaft end of the auger motor (12). One end of the slag discharge auger (6) is fixedly connected to a driven sprocket (14), and the drive sprocket (13) and the driven sprocket (14) are connected by a chain drive.
4. The multi-purpose drum screening device according to claim 1, characterized in that: The screen cylinder transmission mechanism includes a gear ring motor (16) fixedly connected to the frame body (1) and a gear ring gear (17) fixedly connected to the output shaft end of the gear ring motor (16). The outer surface of the detachable outer screen cylinder (4) is fixedly connected to a screen cylinder gear (18) that matches the gear ring gear (17), and the gear ring gear (17) and the screen cylinder gear (18) mesh with each other.
5. A multi-purpose drum screening device according to claim 4, characterized in that: The frame body (1) is fixedly connected to a limiting wheel assembly (19), and the screen cylinder gear (18) passes through the two wheel-shaped structures of the limiting wheel assembly (19).
6. The multi-purpose drum screening device according to claim 1, characterized in that: The feed hopper (2) is connected to a feed inlet (20), and the V-shaped collection trough (3) has a slag outlet (7) at its lower part.
7. The multi-purpose drum screening device according to claim 1, characterized in that: A transparent screen observation window (11) is provided on the detachable outer screen cylinder (4), and a transparent slag discharge observation window (15) is provided on the V-shaped material collection trough (3).