Back-suction ash removal mechanism of dust remover
By designing an anti-absorbing and cleaning mechanism in the dust collector, the hydraulic cylinder drives the baffle to rotate to form a reverse-absorbing and wind-absorbing force, the dust removal and cleaning of the dust removal bag is solved, and the damage and cleaning of the dust removal bag caused by pulse spraying in the prior art is solved. The problem of incomplete dust improves the efficiency of dust removal and the effectiveness of equipment.
Patent Information
- Application Number
- CN202421067015.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-16
AI Technical Summary
During the cleaning process of existing bag dust collectors, due to pulse spraying, the surface of the dust removal cloth bag is too strong, causing damage and incomplete cleaning, which urgently needs improvement.
Design a dust collector anti-absorbing mechanism, including a reverse suction silo, a reverse suction hopper and a rotatable baffle. The baffle is driven to rotate through the hydraulic cylinder to form a reverse suction force, and the dust enters the reverse through the brush and the blanking port. The suction silo realizes the reverse absorption and dust removal of dust bags.
It realizes rapid and thorough dust removal on the surface of the dust removal cloth bag, avoids damage to the cloth bag by pulse spraying, and improves the cleaning efficiency and the use effect of the equipment.
Smart Images
Figure CN222305135U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dust collector cleaning, in particular to a dust collector back-suction cleaning mechanism. Background Art
[0002] The bag filter uses the filtering effect of the filter bag fiber fabric to filter the dust-containing gas, and is suitable for capturing fine, dry, non-fibrous dust. After long-term operation, a large amount of dust adheres to the surface of the dust bag, so the dust bag needs to be cleaned.
[0003] The existing cleaning operation of bag dust collector mainly adopts pulse jet cleaning, and the pulse jet cleaning method is to use high-pressure and high-speed air to blow into the dust bag in a short time (generally within 0.2 seconds), and thereby generate a back-blowing airflow opposite to the filtering airflow, so that the surface of the dust bag undergoes pulse deformation, thereby causing the dust attached to the surface of the dust bag to fall off, thereby achieving the cleaning of the surface of the dust bag. However, when cleaning by this method, due to the short duration of pulse blowing and the excessive loss of pulse airflow velocity, the cleaning is not thorough. At the same time, during pulse cleaning, the wind force on the surface of the dust bag is too strong, causing it to be severely deformed, which can easily cause damage to the dust bag.
[0004] Therefore, the industry urgently needs to improve the cleaning operation of dust bags. Utility Model Content
[0005] The utility model aims to provide a dust collector back-suction cleaning mechanism, which is used for cleaning dust bags, is more convenient and quick, has high cleaning efficiency, and will not cause damage to the dust bags.
[0006] The utility model is realized by the following technical solutions:
[0007] A dust collector back-suction cleaning mechanism is arranged in the dust collector and located at the lower part of the dust removal chamber, including a back-suction bin and a back-suction hopper. A back-suction fan is arranged inside the back-suction bin to generate back-suction wind force, and a rotatable baffle is arranged between the back-suction bin and the back-suction hopper. A drop opening that coincides with the bottom opening of the back-suction hopper is arranged at an eccentric position on the surface of the baffle. A circle of brushes in contact with the baffle is arranged at the bottom opening of the back-suction hopper. The baffle realizes the connection or closure between the back-suction bin and the back-suction hopper by rotation. A driving member is arranged at the bottom of the back-suction bin.
[0008] The driving member includes a baffle driving mechanism for driving the rotating baffle to rotate counterclockwise, and the baffle driving mechanism includes a sleeve installed at the bottom of the back-suction bin, a connecting sleeve shaft vertically arranged at the axial position in the sleeve, and the top end of which upwardly penetrates the back-suction bin and is connected to the baffle, a baffle rotating arm rotatably sleeved on the outside and below the connecting sleeve shaft, a first hydraulic cylinder located on one side of the baffle rotating arm, one end of which is hinged to the inner wall of the sleeve and the other end of which is hinged to the baffle rotating arm, a baffle ratchet sleeved on the outside of the connectable sleeve shaft and located on the upper part of the baffle rotating arm, and a baffle fork meshing with the baffle ratchet is rotatably installed on one side of the surface of the baffle rotating arm.
[0009] Based on the above scheme, the working process of the dust collector back-suction cleaning mechanism is specifically described here:
[0010] After the bag dust collector has been running for a long time, a large amount of dust is attached to the surface of the dust bag. When the operator needs to perform back suction cleaning, the back suction fan is started first to generate back suction wind force after the back suction fan works. At the same time, the first hydraulic cylinder starts to work and makes its output end reciprocate and extend, thereby driving the baffle rotating arm to swing, so that after the baffle rotating arm swings, the baffle ratchet rotates counterclockwise through the baffle fork, thereby driving the connecting sleeve shaft to rotate counterclockwise, so that the connecting sleeve shaft rotates counterclockwise and then drives the baffle to rotate, so that after the baffle rotates, Until the drop-out port on it coincides with the bottom opening of the reverse suction hopper, the first hydraulic cylinder stops working, and at the same time, after the drop-out port on the baffle coincides with the bottom opening of the reverse suction hopper, a connection is formed between the reverse suction bin and the reverse suction hopper, so that the reverse suction wind force can reversely suck and clean the dust bag in the dust removal chamber located above it through the reverse suction hopper, and the dust can enter the reverse suction bin through the reverse suction hopper, so that the scheme can realize the reverse suction cleaning of the dust bag through the reverse suction cleaning mechanism, thereby avoiding the damage of the dust bag surface caused by pulse cleaning. It should be noted that in this scheme, when the baffle rotates, it is in relative rotation with the reverse suction hopper. Therefore, after the baffle rotates, the brush located at the bottom opening of the reverse suction hopper can clean the surface of the baffle, so that some dust particles that fall on the baffle can fall into the reverse suction bin through the drop-out port.
[0011] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0012] 1. This solution is based on the inconvenience of cleaning the dust bag of the existing dust collector. By setting a reverse suction cleaning mechanism, when too much dust adheres to the surface of the dust bag, the dust bag can reversely suck dust, so that the dust on the surface of the dust bag enters the reverse suction hopper into the reverse suction bin, thereby realizing rapid online cleaning of the dust bag, avoiding the use of pulse cleaning, which causes high-pressure airflow to damage the surface of the dust bag, thereby improving the cleaning effect of the dust bag;
[0013] 2. This solution sets up a hopper drive mechanism to drive the reverse suction hopper to rotate clockwise during the dust cleaning operation, and can perform accurate reverse suction cleaning on the dust bags in multiple dust removal chambers, ensuring that the dust bag cleaning effect is thorough and uniform. At the same time, while one of the dust bags is being cleaned, the remaining dust bags can still be online for dust removal, thereby improving the dust removal efficiency of the equipment;
[0014] 3. In this scheme, the baffle driving mechanism and the hopper driving mechanism further adopt a ratchet transmission mechanism, which realizes the precise rotation of the reverse suction hopper and enables it to provide stable and reliable transmission, effectively prevent reversal and sliding, ensure the accuracy and controllability of the transmission, and make the overall rotation of the reverse suction cleaning mechanism accurate and smooth. It has a simple structure, easy maintenance, good working efficiency and energy-saving performance, which can greatly improve the use effect of the dust removal equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, constitute a part of this application, and do not constitute a limitation of the embodiments of the present utility model. In the drawings:
[0016] Figure 1 This is a schematic diagram of the application state of the utility model, which is intended to show its application in a dust collector;
[0017] Figure 2 Schematic diagram of the overall structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the drive structure of the utility model, which is intended to show the specific structure of the baffle drive mechanism and the hopper drive mechanism;
[0019] Figure 4 This is a schematic diagram of the bottom structure of the connecting sleeve shaft and the rotating shaft of the utility model, which is intended to show the specific structure of the steering limiter.
[0020] Marks and corresponding parts names in the attached drawings:
[0021] 1. Back-suction bin; 2. Back-suction hopper; 3. Baffle; 30. Dropping port; 40. Baffle driving mechanism; 400. Bushing; 401. Connecting sleeve shaft; 402. Baffle rotating arm; 403. First hydraulic cylinder; 404. Baffle ratchet; 405. Baffle fork; 41. Hopper driving mechanism; 410. Rotating shaft; 411. Hopper rotating arm; 412. Hopper ratchet; 413. Second hydraulic cylinder; 414. Hopper fork; 500. Notch; 501. Reversing baffle; 502. Electric cylinder. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in combination with the embodiments and drawings. The schematic implementation mode and description of the utility model are only used to explain the utility model and are not intended to limit the utility model. It should be noted that the utility model is already in the actual development and use stage.
[0023] In order to make the technical solution of the present application clearer and easier for technicians to understand, the present embodiment hereby illustrates the position of the reverse suction cleaning mechanism. In this solution, the reverse suction cleaning mechanism mainly sucks back the dust on the surface of the dust bag in the dust removal chamber to achieve the purpose of cleaning. Therefore, in this solution, the reverse suction cleaning mechanism is installed in the lower part of the dust removal chamber in the dust collector, that is, located at the lower part of the dust bag, and can be separated from the dust removal chamber by a perforated partition plate or a grille plate, such as Figure 1 Its specific structure is described in the following embodiment.
[0024] Example
[0025] Please refer to the attached Figures 1 to 3 A dust collector back-suction cleaning mechanism is arranged in the dust collector and located at the lower part of the dust removal chamber, including a back-suction bin 1 and a back-suction hopper 2. A back-suction fan is arranged inside the back-suction bin 1 to generate back-suction wind force, and a rotatable baffle 3 is also arranged between the back-suction bin 1 and the back-suction hopper 2. A drop opening 30 that coincides with the bottom opening of the back-suction hopper 2 is also opened at an eccentric position on the surface of the baffle 3. A circle of brushes in contact with the baffle 3 is also arranged at the bottom opening of the back-suction hopper 2. The baffle 3 realizes the connection or closure between the back-suction bin 1 and the back-suction hopper 2 by rotation, and a driving member is arranged at the bottom of the back-suction bin 1.
[0026] Among them, the driving part includes a baffle driving mechanism 40 for driving the rotating baffle 3 to rotate counterclockwise, and the baffle driving mechanism 40 includes a sleeve 400 installed at the bottom of the back-suction bin, a connecting sleeve shaft 401 vertically arranged at the axial position in the sleeve 400, and the top end of which upwardly penetrates the back-suction bin 1 and is connected to the baffle 3, a baffle rotating arm 402 rotatably sleeved on the lower outside of the connecting sleeve shaft 401, a first hydraulic cylinder 403 located on one side of the baffle rotating arm 402, one end of which is hinged to the inner wall of the sleeve 400 and the other end of which is hinged to the baffle rotating arm 402, a baffle ratchet 404 sleeved on the outside of the connecting sleeve shaft 401 and located on the upper part of the baffle rotating arm 402, and a baffle fork 405 meshing with the baffle ratchet 404 is rotatably installed on one side of the surface of the baffle rotating arm 402. The baffle driving mechanism 40 drives the baffle to rotate counterclockwise, so that the drop opening 30 on the baffle 3 coincides with the opening at the bottom of the back-suction hopper 2, thereby connecting the back-suction hopper 2 with the back-suction bin 1.
[0027] Based on the above embodiment, as a preferred embodiment, in order to allow the dust falling on the baffle 3 to quickly enter the drop opening 30, the present invention proposes a preferred implementation method for the drop opening 30, such as Figure 2 As shown, the bottom end of the material drop opening 30 extends to the inside of the reverse suction bin 1, and the size of the material drop opening 30 gradually decreases from top to bottom, the top opening of the material drop opening 30 is lower than the plate surface of the baffle 3, and the top opening is integrally formed with the baffle 3 through an inclined transition portion. Based on the above arrangement, the material drop opening 30 is convenient for guiding dust, which is conducive to its entry into the reverse suction bin 1 through the material drop opening 30.
[0028] Based on the above embodiments, it is further explained that, in order to ensure the dust removal efficiency of the dust collector, a plurality of dust removal chambers are often provided in the existing dust collector, and dust bags are correspondingly installed in the plurality of dust removal chambers. Therefore, in order to facilitate the back-suction cleaning mechanism to clean the plurality of dust bags, a driving member is provided at the bottom of the back-suction silo to drive the back-suction cleaning mechanism to rotate and back-suction clean the plurality of dust bags. This embodiment proposes a preferred implementation method for the driving member, such as Figure 3 That is, the driving member also includes a hopper driving mechanism 41 for driving the back-suction hopper 2 to rotate clockwise. The hopper driving mechanism 41 is located below the baffle driving mechanism 40, and includes a rotating shaft 410 that is coaxially rotatably arranged in the connecting sleeve 400 and upwardly penetrates the back-suction bin 1 and is connected to the back-suction hopper 2, a hopper rotating arm 411 sleeved on the bottom end of the rotating shaft 410, a hopper ratchet 412 located at the upper part of the hopper rotating arm 411 and sleeved on the outside of the rotating shaft 410, a second hydraulic cylinder 413 hinged at one end to the inner wall of the sleeve 400 and hinged to the hopper rotating arm 411 at the other end, and a hopper fork 414 meshing with the hopper ratchet 412 is also rotatably installed on one side of the surface of the hopper rotating arm, and the tangential direction of the tooth groove of the hopper ratchet 412 is opposite to the tangential direction of the tooth groove of the baffle ratchet 404. Through the above structure, the present solution provides a hopper driving mechanism 41, so that after it is in operation, it drives the reverse suction hopper 2 to rotate clockwise, thereby realizing reverse suction cleaning of multiple dust removal bags in sequence.
[0029] The present embodiment here describes the working process of the hopper driving mechanism 41, that is, when it drives the reverse suction hopper 2 to rotate, the second hydraulic cylinder 413 starts to work and reciprocates to extend and retract, so that it drives the hopper rotating arm 411 to swing, and then the hopper rotating arm 411 swings and pushes the hopper ratchet 412 to rotate clockwise through the hopper fork 414, and then the hopper ratchet 412 rotates and drives the reverse suction hopper 2 to rotate clockwise. It should be further explained here that, in the present embodiment, the baffle driving mechanism 40 and the hopper driving mechanism 41 both adopt a ratchet transmission mechanism, because the ratchet rotation mechanism can provide stable and reliable transmission, effectively prevent reversal and sliding phenomena, and ensure the accuracy and controllability of the transmission, so that the reverse suction cleaning mechanism can perform reverse suction cleaning on the dust bag during the rotation process, thereby improving its cleaning effect.
[0030] Furthermore, if Figure 4 As shown, a steering limiter is also provided at the bottom of the connecting sleeve 401, and a limit slot is provided on the outside of the rotating shaft 410 at a position corresponding to the steering limiter, and the steering limiter realizes relative rotation or synchronous rotation of the connecting sleeve 401 and the rotating shaft 410 by cooperating with the limit slot. It should be noted that since the connecting sleeve 401 and the rotating shaft 410 are arranged to rotate, in order to realize that the rotating shaft 410 can drive the connecting sleeve 401 when it rotates clockwise, the present scheme arranges a steering limiter so that when the reverse suction cleaning is performed, the steering limiter can be inserted into the limit slot, and then the two cooperate to make the connecting sleeve 401 and the rotating shaft 410 fixedly connected (that is, there is power transmission between the two), so that the hopper driving mechanism 41 drives the reverse suction hopper 2 to rotate clockwise through the rotating shaft 410 to perform reverse suction cleaning on multiple dust bags. After the rotating shaft 410 rotates, it can drive the connecting sleeve 401 to rotate, so that the connecting sleeve The shaft 401 drives the baffle 3 to rotate clockwise, and then during the back-suction cleaning process, when the back-suction hopper 2 rotates clockwise, the baffle 3 rotates synchronously with it, and the back-suction bin 1 and the back-suction hopper 2 are always kept in a connected state. In addition, it should be added here that in the present scheme, the connecting sleeve 401 and the baffle rotating arm 402 are in a mutually rotating connection relationship, and the baffle rotating arm 402 and the baffle ratchet 404 are fixedly connected. Therefore, when the connecting sleeve 401 rotates clockwise driven by the rotating shaft 410, it will not drive the baffle rotating arm 402 to rotate, so the baffle ratchet 404 will not be reversed, and thus no jamming will occur.
[0031] Based on the above, preferably, the steering limiter comprises a notch 500 provided on one side of the bottom end of the connecting sleeve shaft 401, a reversing baffle 501 rotatably arranged in the notch 500, and an electric cylinder 502 whose output end is hinged to the reversing baffle 501 and whose other end is hingedly installed in the notch 500. The above structure helps the electric cylinder 502 to push the reversing baffle 501 into the limiting groove, thereby fixing the connection sleeve shaft 401 and the rotating shaft 410.
[0032] Based on the above scheme, the working process of the dust collector back-suction cleaning mechanism is specifically described here:
[0033] After the bag dust collector has been running for a long time, a large amount of dust is attached to the surface of the dust bag. When the operator needs to perform back suction cleaning, the back suction fan is first started to generate back suction wind force after the back suction fan works. At the same time, the first hydraulic cylinder 403 starts to work and reciprocates and retracts its output end, thereby driving the baffle rotating arm 402 to swing, so that after the baffle rotating arm 402 swings, the baffle ratchet 404 rotates counterclockwise through the baffle fork 405, thereby driving the connecting sleeve shaft 4 01 rotates counterclockwise, so that the connecting sleeve shaft 401 rotates counterclockwise and drives the baffle plate 3 to rotate, so that the baffle plate 3 rotates until the drop opening 30 on it coincides with the bottom opening of the reverse suction hopper 2, that is, the first hydraulic cylinder 403 stops working, and at the same time, after the drop opening 30 on the baffle plate 3 coincides with the bottom opening of the reverse suction hopper 2, the reverse suction hopper 1 and the reverse suction hopper 2 are connected, so that the reverse suction wind force passes through the reverse suction hopper 2 to reversely suck and clean the dust bag in the dust removal chamber located above it;
[0034] When the reverse suction hopper 2 needs to clean the dust bags in multiple dust removal chambers, the electric cylinder 502 located in the notch 500 at the bottom of the connecting sleeve shaft 401 starts to work and pushes the reversing baffle 501 to be inserted into the limit groove, so that the connecting sleeve shaft 401 is fixedly connected to the rotating shaft (that is, there is a power connection relationship), and then the hopper ratchet 412 rotates and drives the reverse suction hopper 2 and the baffle 3 to rotate synchronously clockwise (always keep the connection state), so that after the rotation, the multiple dust bags are reversely sucked and cleaned, and the dust enters the reverse suction hopper 2 into the reverse suction silo 1, so that the present solution can realize the reverse suction cleaning of the dust bags through the reverse suction cleaning mechanism. This avoids the damage to the dust bag surface caused by the pulse cleaning in the existing technology.
[0035] It should be noted that in the present application, the driving member is mainly used to drive the reverse suction and cleaning mechanism to rotate. Therefore, for its specific structure, the implementers can also arbitrarily choose other transmission mechanisms to replace it according to the actual distribution of dust bags and application scenarios, such as: gear transmission mechanism, belt transmission and chain transmission mechanism or reciprocating traction mechanism, etc.
[0036] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A dust collector back suction cleaning mechanism, arranged in the dust collector and located at the lower part of the dust removal chamber, characterized in that: The invention comprises a back-suction bin (1) and a back-suction hopper (2), wherein a back-suction fan is provided inside the back-suction bin (1) for generating back-suction wind force, and a rotatable baffle (3) is provided between the back-suction bin (1) and the back-suction hopper (2), a material drop opening (30) which matches the bottom opening of the back-suction hopper (2) is provided at an eccentric position on the surface of the baffle (3), a circle of brushes which contacts the baffle (3) is provided at the bottom opening of the back-suction hopper (2), the baffle (3) realizes connection or closure between the back-suction bin (1) and the back-suction hopper (2) by rotating, and a driving member is provided at the bottom of the back-suction bin (1).
2. A dust collector back-suction cleaning mechanism according to claim 1, characterized in that: The driving member comprises a baffle driving mechanism (40) for driving the rotating baffle (3) to rotate counterclockwise, the baffle driving mechanism (40) comprising a shaft sleeve (400) mounted at the bottom of the back-suction bin, a connecting sleeve shaft (401) vertically arranged at an axial position in the shaft sleeve (400), the top end of which upwardly penetrates the back-suction bin (1) and is connected to the baffle (3), a baffle rotating arm (402) rotatably sleeved on the outside and below the connecting sleeve shaft (401), a first hydraulic cylinder (403) located on one side of the baffle rotating arm (402), one end of which is hinged to the inner wall of the shaft sleeve (400) and the other end of which is hinged to the baffle rotating arm (402), a baffle ratchet (404) sleeved on the outside of the connectable sleeve shaft (401) and located on the upper part of the baffle rotating arm (402), and a baffle shift fork (405) meshing with the baffle ratchet (404) is rotatably mounted on one side of the surface of the baffle rotating arm (402).
3. A dust collector back-suction cleaning mechanism according to claim 1, characterized in that: The bottom end of the material drop opening (30) extends to the interior of the reverse suction bin (1), and the size of the material drop opening (30) gradually decreases from top to bottom. The top opening of the material drop opening (30) is lower than the plate surface of the baffle (3), and the top opening is integrally formed with the baffle (3) via an inclined transition portion around the top opening.
4. The dust collector back-suction cleaning mechanism according to claim 1 is characterized in that: The driving member further comprises a hopper driving mechanism (41) for driving the reverse suction hopper (2) to rotate clockwise. The hopper driving mechanism (41) is located below the baffle driving mechanism (40) and comprises a rotating shaft (410) coaxially rotatably arranged in the connecting shaft sleeve (400) and penetrating upwardly through the reverse suction bin (1) and connected to the reverse suction hopper (2), a hopper rotating arm (411) sleeved on the bottom end of the rotating shaft (410), and a hopper rotating arm (411) located at the bottom end of the hopper rotating arm (411). A hopper ratchet (412) is provided at the upper part and sleeved on the outside of the rotating shaft (410); one end of the second hydraulic cylinder (413) is hinged to the inner wall of the shaft sleeve (400) and the other end is hinged to the hopper rotating arm (411); a hopper fork (414) meshing with the hopper ratchet (412) is rotatably mounted on one side of the surface of the hopper rotating arm (411); the tooth groove of the hopper ratchet (412) is tangentially opposite to the tooth groove of the baffle ratchet (404).
5. A dust collector back-suction cleaning mechanism according to claim 1 or 4, characterized in that: A steering limiter is also provided at the bottom of the connecting sleeve shaft (401), and a limit slot is provided on the outside of the rotating shaft (410) at a position corresponding to the steering limiter, wherein the steering limiter cooperates with the limit slot to achieve relative rotation or synchronous rotation of the connecting sleeve shaft (401) and the rotating shaft (410).
6. A dust collector back-suction cleaning mechanism according to claim 5, characterized in that: The steering limiter comprises a notch (500) formed on one side of the bottom end of the connecting sleeve shaft (401), a reversing baffle (501) rotatably arranged in the notch (500), and an electric cylinder (502) whose output end is hinged to the reversing baffle (501) and whose other end is hingedly installed in the notch (500).