Flame retardant feeding device with anti-blocking function
By setting up an anti-blocking structure on the screen frame of the flame retardant feeding device, the combination of the comb plate and rectangular strips is used to solve the problem of clogging of the screen frame caused by the plate bonding structure of the flame retardant, the cutting efficiency is improved, and the accumulation of powder and scale is prevented by the scraping structure.
Patent Information
- Application Number
- CN202421508915.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-06-28
AI Technical Summary
In the prior art, the flame retardant is prone to blockage of the screen frame due to the plate-locking structure during the feeding process, which reduces the discharge efficiency.
A flame retardant feeding device with anti-blocking function is designed, including installing a screen frame on the inside of the feed hopper and a preventive structure is provided on the surface of the screen frame. The anti-blocking structure consists of uniformly opened guide grooves, guide strips, rotary connected comb plates and rectangular strips. The motor drives the rotary shaft to drive the comb plates and rectangular strips to work, realizing the extrusion, crushing and screening of the plate-bonded raw materials.
It effectively avoids blockage caused by stagnation of raw materials in the screen frame, improves the efficiency of flame retardant cutting, and regularly cleans the powder and scale through the scraping structure to further prevent blockage.
Smart Images

Figure CN222794693U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of feeding devices, in particular to a flame retardant feeding device with an anti-blocking function. Background Art
[0002] Feeding devices are usually used in industrial production and processing to transport raw materials or product materials into production equipment. Hoppers are common feeding structures that facilitate the unloading of materials and are usually made of metal.
[0003] A Chinese patent with publication number CN216970689U discloses a flame retardant feeding device, including a box body, wherein the middle part of the bottom of the box body is tilted downward, and a discharge port is provided at one end of the downward tilt, a mesh plate is provided inside the discharge port, and the mesh plate is connected to a vibration component, a hollow tube is provided inside the box body, and a stirring rod is provided on the hollow tube, wherein the lower end of the hollow tube is located at the discharge port and is provided with a rotating blade, the hollow tube is connected to a rotating mechanism, a partition is provided inside the box body, and a feed hopper is provided on the box body, and the feed hopper passes through the partition, and in addition, two relatively distributed guide plates are provided at the bottom of the box body, and the guide plates are connected to a driving mechanism; the device drives the rotating blade to rotate through the hollow tube, and crushes the larger particles of flame retardant at the discharge port through the rotating blade, effectively avoiding the phenomenon of flame retardant agglomeration.
[0004] The existing related technologies often have the following defects: when the feed hopper is used, it is often necessary to install a screen frame at the feed hopper position to screen out some compacted raw materials, which can improve the later processing efficiency of the materials. When there are more half-cut raw materials on the screen plate, it is easy to cause blockage at the screen frame position, which will reduce the later feeding efficiency of the raw materials.
[0005] Therefore, the utility model provides a flame retardant feeding device with an anti-blocking function. Utility Model Content
[0006] The utility model aims to solve the defect in the prior art that raw materials with a compacted structure are easily blocked at the position of a screen frame, and proposes a flame retardant feeding device with an anti-blocking function.
[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a flame retardant feeding device with anti-clogging function, comprising a feed hopper, a screen frame is installed on the inner side of the feed hopper, and an anti-clogging structure is provided on the surface of the screen frame, and the anti-clogging structure includes a plurality of guide grooves evenly opened on the inner side of the feed hopper, and a plurality of guide strips are fixedly connected to the side wall of the screen frame, and the size of the guide strips is matched with the size of the guide grooves, and the screen frame is rotatably connected to a rotating shaft inside, and a comb plate is fixedly connected to the side wall of the rotating shaft, and a plurality of rectangular strips are fixedly connected to the inner side of the screen frame.
[0008] The effects achieved by the above components are: the rectangular bars and the comb plates are close to each other, which can realize the extrusion and crushing of the compacted raw materials, and in the process of the comb plates rotating, the pushing and screening efficiency of the raw materials on the bottom side of the screen frame can be achieved, further avoiding the phenomenon of stagnant raw materials on the screen frame causing blockage of the raw materials.
[0009] Preferably, the upper port of the screen frame is fixedly connected with a mounting rod, a limiting ring is fixedly connected between two of the mounting rods, a motor is fixedly connected to the inner side of the limiting ring, and the output end of the motor is fixedly connected to the rotating shaft.
[0010] The effect achieved by the above components is: when the motor is started, the motor will drive the rotating shaft to rotate, and at this time the comb plate can be driven to rotate.
[0011] Preferably, two support rods are fixedly connected to the side wall of the feed hopper, and rectangular rings are slidably connected inside the support rods.
[0012] The effect achieved by the above components is that the rectangular ring blocks the top of the screen frame, so that the installation work of the screen frame can be realized.
[0013] Preferably, a first spring is fixedly connected between the rectangular ring and the support rod.
[0014] The effect achieved by the above components is that the rectangular ring is blocked above the screen frame by the elastic force of the first spring.
[0015] Preferably, a rectangular block is fixedly connected to the side wall of the support rod, and a stop frame is slidably connected to the inside of the rectangular block.
[0016] The effect achieved by the above components is: the blocking frame inside the sliding rectangular block is shielded on the inner side of the rectangular ring, so as to realize temporary support work for the rectangular ring after being pulled out.
[0017] Preferably, a scraping structure is provided at the lower end of the rotating shaft, and the scraping structure includes a connecting block fixedly connected to the lower end of the rotating shaft, and the side wall of the connecting block is fixedly connected to two sleeves, the inner side of the sleeve is slidably connected to a sliding rod, and one end of the sliding rod is fixedly connected to a scraper strip.
[0018] The effect achieved by the above components is that during the process of starting the rotation and twisting, the scraper strip will also move relative to the inner wall of the feed hopper, thereby achieving the scraping work of cleaning the powder scale accumulated on the inner wall of the feed hopper.
[0019] Preferably, one end of the sliding rod located inside the sleeve is fixedly connected with a circular block.
[0020] The effect achieved by the above components is that the circular block is provided to prevent the sliding rod from slipping off the inner side of the sleeve.
[0021] Preferably, a second spring is fixedly connected between the circular block and the bottom wall of the sleeve.
[0022] The effect achieved by the above components is that the scraper strip is tightly fitted to the inner side of the feed hopper under the elastic force of the circular block and the second spring of the sleeve bottom wall.
[0023] In summary:
[0024] 1. In the utility model, when a large amount of compacted raw materials accumulate on the screen frame, the motor is started, and the motor drives the rotating shaft to twist. At this time, the comb plate can be driven to rotate, and the comb plate will push the compacted raw materials to the position between the rectangular bars. The rectangular bars and the comb plate are close to each other, so the compacted raw materials can be squeezed and crushed. In addition, during the rotation of the comb plate, the raw materials on the bottom side of the screen frame can be pushed and screened efficiently, further avoiding the phenomenon of stagnant raw materials on the screen frame causing blockage of the raw materials. By setting an anti-blocking structure, the screen frame can be avoided from being blocked during use, thereby improving the efficiency of discharging flame retardants to a certain extent.
[0025] 2. In the utility model, after the screen frame is installed on the inner side of the feed hopper, the scraper bar will be tightly fitted to the inner side of the feed hopper by the elastic force of the second spring of the circular block and the bottom wall of the sleeve, and during the process of starting the rotation and twisting, the scraper bar will also have relative movement with the inner wall of the feed hopper, thereby realizing the cleaning of the powder scale accumulated on the inner wall of the feed hopper. By setting up the scraping structure, the cleaning of the powder scale attached to the inner side of the feed hopper is facilitated, and the anti-blocking effect during the use of the feed hopper is further improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0027] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;
[0028] Figure 3 It is a structural schematic diagram of the screen frame in the utility model;
[0029] Figure 4 For the utility model Figure 2Schematic diagram of the local structure;
[0030] Figure 5 For the utility model Figure 1 A magnified image of point A;
[0031] Figure 6 For the utility model Figure 3 Enlarged view of point B.
[0032] Legend: 1. Feed hopper; 2. Screen frame; 3. Anti-blocking structure; 301. Motor; 302. Limiting ring; 303. Rotating shaft; 304. Mounting rod; 305. Combing plate; 306. Rectangular bar; 307. Guide groove; 308. Guide bar; 309. Support rod; 310. Rectangular ring; 311. First spring; 312. Rectangular block; 313. Stop frame; 4. Scraping structure; 41. Scraping bar; 42. Connecting block; 43. Sleeve; 44. Sliding rod; 45. Round block; 46. Second spring. DETAILED DESCRIPTION
[0033] Reference Figure 1 As shown, the utility model provides a technical solution: a flame retardant feeding device with anti-clogging function, comprising a feed hopper 1, a screen frame 2 is installed on the inner side of the feed hopper 1, an anti-clogging structure 3 is provided on the surface of the screen frame 2, and a scraping structure 4 is provided at the lower end of the rotating shaft 303.
[0034] The specific configuration and function of the anti-clogging structure 3 and the scraping structure 4 will be described in detail below.
[0035] Reference Figure 1-Figure 5 As shown, in this embodiment: the anti-blocking structure 3 includes a plurality of guide grooves 307 uniformly opened on the inner side of the feed hopper 1, a plurality of guide bars 308 are fixedly connected to the side wall of the screen frame 2, the size of the guide bars 308 is adapted to the size of the guide grooves 307, the screen frame 2 is internally rotatably connected to the rotating shaft 303, the side wall of the rotating shaft 303 is fixedly connected to the comb plate 305, and the inner side of the screen frame 2 is fixedly connected to a plurality of rectangular bars 306. The rectangular bars 306 and the comb plate 305 are close to each other, which can realize the extrusion and crushing of the agglomerated raw materials, and in the process of the comb plate 305 rotating, the pushing and screening efficiency of the raw materials on the bottom side of the screen frame 2 can be realized, further avoiding the phenomenon of raw material blockage caused by stagnant raw materials on the screen frame 2.
[0036] The upper port of the screen frame 2 is fixedly connected with a mounting rod 304, and a limit ring 302 is fixedly connected between the two mounting rods 304. The inner side of the limit ring 302 is fixedly connected with a motor 301, and the output end of the motor 301 is fixedly connected with the rotating shaft 303. When the motor 301 is started, the motor 301 will drive the rotating shaft 303 to twist, and the comb plate 305 can be driven to rotate. Two support rods 309 are fixedly connected to the side wall of the feed hopper 1, and a rectangular ring 310 is slidably connected inside the support rods 309. The rectangular ring 310 blocks the top of the screen frame 2, and the installation of the screen frame 2 can be realized.
[0037] A first spring 311 is fixedly connected between the rectangular ring 310 and the support rod 309. The rectangular ring 310 is blocked above the screen frame 2 by the elastic force of the first spring 311. A rectangular block 312 is fixedly connected to the side wall of the support rod 309, and a blocking frame 313 is slidably connected inside the rectangular block 312. The blocking frame 313 inside the sliding rectangular block 312 is blocked on the inner side of the rectangular ring 310, so as to realize temporary support work for the rectangular ring 310 after being pulled out.
[0038] Reference Figure 1-Figure 3 and Figure 6 As shown, specifically, the scraping structure 4 includes a connecting block 42 fixedly connected to the lower end of the rotating shaft 303, and the side wall of the connecting block 42 is fixedly connected to two sleeves 43, and the inner side of the sleeve 43 is slidably connected to a slide bar 44, and one end of the slide bar 44 is fixedly connected to a scraping strip 41. During the process of starting the rotation and twisting, the scraping strip 41 will also move relative to the inner wall of the feed hopper 1, so as to achieve the scraping work of the accumulated powder scale on the inner wall of the feed hopper 1. The end of the slide bar 44 located on the inner side of the sleeve 43 is fixedly connected to a circular block 45. The circular block 45 is provided to avoid the phenomenon that the slide bar 44 slips off from the inner side of the sleeve 43. A second spring 46 is fixedly connected between the circular block 45 and the bottom wall of the sleeve 43. The scraping strip 41 will be tightly attached to the inner side of the feed hopper 1 by the elastic force of the circular block 45 and the second spring 46 on the bottom wall of the sleeve 43.
[0039] Working principle: when a large amount of compacted raw materials accumulate on the screen frame 2, the motor 301 is started, and the motor 301 drives the rotating shaft 303 to twist. At this time, the comb plate 305 can be driven to rotate, and the comb plate 305 will push the compacted raw materials to the position between the rectangular bar 306. The rectangular bar 306 and the comb plate 305 are close to each other, which can realize the extrusion and crushing of the compacted raw materials. In addition, during the rotation of the comb plate 305, the raw materials on the bottom side of the screen frame 2 can be pushed and screened efficiently, further avoiding the phenomenon of stagnant raw materials on the screen frame 2 causing raw materials to be blocked. When the pores on the screen frame 2 are blocked by raw materials, the rectangular ring 310 inside the support rod 309 can be pulled. When the rectangular ring 310 is pulled out from the top of the screen frame 2, the inner part of the sliding rectangular block 312 The baffle frame 313 is blocked on the inner side of the rectangular ring 310, so as to realize temporary support of the rectangular ring 310 after being pulled out, and the guide bar on the inner side of the guide groove can be slid out, so as to realize the disassembly of the screen frame 2, which is convenient for the regular dredging of the pores on the screen frame 2, and further improves the anti-blocking effect during the use of the feeding device, and slides the guide bar to the inner side of the guide groove, so as to realize the preliminary installation of the screen frame 2, and then slides down the baffle frame 313, and the rectangular ring 310 will be blocked above the screen frame 2 by the elastic force of the first spring 311, so as to realize the installation of the screen frame 2, and by setting the anti-blocking structure 3, the blockage of the screen frame 2 during use is avoided, and the efficiency of discharging the flame retardant is improved to a certain extent.
[0040] After the screen frame 2 is installed on the inner side of the feed hopper 1, the scraper bar 41 will be tightly fitted to the inner side of the feed hopper 1 by the elastic force of the circular block 45 and the second spring 46 on the bottom wall of the sleeve 43. During the process of starting the rotation and twisting, the scraper bar 41 will also have relative movement with the inner wall of the feed hopper 1, thereby realizing the scraping work of the accumulated powder scale on the inner wall of the feed hopper 1, avoiding the long-term adhesion of powder scale on the inner side of the feed hopper 1, which may easily lead to blockage of the inner side of the feed hopper 1, and further improving the discharge efficiency of the flame retardant on the inner side of the feed hopper 1. By setting the circular block 45, the sliding rod 44 is prevented from slipping off the inner side of the sleeve 43. By setting the scraping structure 4, the scraping work of the powder scale attached to the inner side of the feed hopper 1 is facilitated, and the anti-blocking effect of the feed hopper 1 during use is further improved.
[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
Claims
1. A flame retardant feeding device with anti-clogging function, comprising a feeding hopper (1), characterized in that: A screen frame (2) is installed on the inner side of the feed hopper (1), and an anti-clogging structure (3) is provided on the surface of the screen frame (2). The anti-clogging structure (3) comprises a plurality of guide grooves (307) evenly arranged on the inner side of the feed hopper (1). A plurality of guide bars (308) are fixedly connected to the side wall of the screen frame (2), and the size of the guide bars (308) matches the size of the guide grooves (307). A rotating shaft (303) is rotatably connected inside the screen frame (2), and a comb plate (305) is fixedly connected to the side wall of the rotating shaft (303). A plurality of rectangular bars (306) are fixedly connected to the inner side of the screen frame (2).
2. The flame retardant feeding device with anti-clogging function according to claim 1, characterized in that: The upper port of the screen frame (2) is fixedly connected to a mounting rod (304), a limit ring (302) is fixedly connected between the two mounting rods (304), a motor (301) is fixedly connected to the inner side of the limit ring (302), and the output end of the motor (301) is fixedly connected to the rotating shaft (303).
3. The flame retardant feeding device with anti-clogging function according to claim 1, characterized in that: Two support rods (309) are fixedly connected to the side wall of the feed hopper (1), and a rectangular ring (310) is slidably connected inside the support rods (309).
4. The flame retardant feeding device with anti-clogging function according to claim 3, characterized in that: A first spring (311) is fixedly connected between the rectangular ring (310) and the support rod (309).
5. The flame retardant feeding device with anti-clogging function according to claim 3, characterized in that: A rectangular block (312) is fixedly connected to the side wall of the support rod (309), and a stop frame (313) is slidably connected inside the rectangular block (312).
6. The flame retardant feeding device with anti-clogging function according to claim 1, characterized in that: A scraping structure (4) is provided at the lower end of the rotating shaft (303), the scraping structure (4) comprising a connecting block (42) fixedly connected to the lower end of the rotating shaft (303), two sleeves (43) fixedly connected to the side wall of the connecting block (42), a sliding rod (44) slidably connected to the inner side of the sleeve (43), and a scraping strip (41) fixedly connected to one end of the sliding rod (44).
7. The flame retardant feeding device with anti-clogging function according to claim 6, characterized in that: One end of the sliding rod (44) located inside the sleeve (43) is fixedly connected to a circular block (45).
8. The flame retardant feeding device with anti-clogging function according to claim 7, characterized in that: A second spring (46) is fixedly connected between the circular block (45) and the bottom wall of the sleeve (43).
Citation Information
Patent Citations
Flame retardant feeding device
CN216970689U