Powder distribution device and powder processing device
The powder distribution device with a vibrated hopper, rotating distribution roller, and conveyor belt system addresses powder agglomeration issues, ensuring uniform discharge and improved film quality in mass production.
Patent Information
- Application Number
- DE202025107085
- Authority / Receiving Office
- DE · DE
- Patent Type
- Utility models
- Current Assignee / Owner
- Priority Date
- 2024-11-27
- Filing Date
- 2025-11-19
- Publication Date
- 2026-01-29
- Estimated Expiration
- 2035-11-30
AI Technical Summary
The agglomeration of powder in film-forming composite machines leads to non-uniform film thickness and surface density, causing defects and inconsistent pressure during roller pressing, which is exacerbated by manual discharge methods that are labor-intensive and unsuitable for mass production.
A powder distribution device with a storage hopper vibrated by a drive element, a distribution roller with grooves rotated by a drive unit, and a conveyor belt mechanism to ensure uniform powder distribution and discharge, using a control system for dynamic speed adjustments.
The solution effectively prevents powder agglomeration, ensures uniform powder discharge, and improves discharge rates, enhancing film quality and consistency in mass production by maintaining consistent discharge and surface density.
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Abstract
Description
Technical field
[0001] The present utility model relates to the technical field of powder distribution, in particular a powder distribution device and a powder processing device. Technical background
[0002] In the film formation process, due to the simple agglomeration of powder in a film-forming composite machine for the dry production of electrode foils, local material accumulation during roller pressing is prone to this. This compromises the uniformity of film thickness and surface density, potentially leading to poor film quality and prone to breakage. Simultaneously, the pressure caused by material accumulation on the top of the roller body is inconsistent due to variations in the powder level during film formation, further affecting the consistency of the film's surface density and resulting in defective products.
[0003] To solve the above problems, the prior art usually uses manual discharge to discharge a small amount of material many times, which leads to a significant increase in labor costs and cannot be carried out in the mass production of the film-forming compounding machine. Content of the invention
[0004] The purpose of the present utility model is to provide a powder distribution device and a powder processing device that can effectively avoid the problem of powder agglomeration, achieve uniform powder discharge, and improve discharge rate.
[0005] To achieve the above purpose, the present utility model provides the following technical solutions:
[0006] A powder distribution device comprising the following: a storage mechanism comprising a storage hopper and a vibration drive element, wherein the vibration drive element is used to vibrate the storage hopper, the storage hopper being provided with an outlet opening on its underside; a distribution mechanism comprising a flow-through container, a distribution roller and a distribution drive unit, wherein the flow-through container comprises an inlet opening and a distribution opening, the inlet opening being provided corresponding to and connected with the outlet opening, the distribution opening being located at the bottom of the flow-through container, the distribution roller being rotatably provided in the flow-through container, the distribution drive unit being used to drive the distribution roller to rotate, the distribution roller being provided on a circumferential surface with a plurality of material grooves uniformly distributed along a circumferential direction of the distribution roller; a conveying mechanism comprising a conveyor belt and a conveying drive unit, wherein the conveyor belt is arranged below the distribution opening, wherein the conveying drive unit is used to drive the conveyor belt in rotation to convey the powder to a powder processing device.
[0007] To achieve the above purpose, the present utility model further provides a powder processing device comprising a powder distribution device according to one of the solutions and a powder processing device, wherein the powder processing device comprises a film-forming roller for grinding the powder into a film, wherein the conveyor belt is used for conveying the powder to the film-forming roller.
[0008] Compared to the prior art, the present utility model has the following advantageous effects:
[0009] The present utility model provides a powder distribution device and a powder processing device, wherein a vibratory drive element vibrates a storage hopper, effectively solving the problem of powder agglomeration and allowing the powder to fall through a discharge opening and an inlet opening into a groove on the distribution roller. Furthermore, the distribution drive unit rotates the distribution roller, thereby distributing the powder evenly on the conveyor belt. Finally, the conveyor drive unit rotates the conveyor belt and conveys the powder to the powder processing device to achieve uniform powder discharge, significantly improving the discharge rate compared to manual discharge methods by ensuring consistent discharge. Images Fig. Figure 1 shows a schematic representation of the structure of a powder processing device in an embodiment of the present utility model; Fig. Figure 2 shows a schematic representation of the structure of a storage mechanism in an embodiment of the present utility model; Fig. Figure 3 shows a first schematic representation of the structure of a distribution mechanism in an embodiment of the present utility model; Fig. Figure 4 shows a second schematic representation of the structure of the distribution mechanism in an embodiment of the present utility model; Fig. Figure 5 shows a third schematic representation of the structure of the distribution mechanism in an embodiment of the present utility model; Fig. Figure 6 shows a first schematic representation of the structure of a conveying mechanism in an embodiment of the present utility model; Fig. Figure 7 shows a second schematic representation of the structure of the conveying mechanism in an embodiment of the present utility model; Fig. Figure 8 shows a first schematic representation of the structure of a downstream material width adjustment assembly in an embodiment of the present utility model. Reference symbol list:
[0010] 10. Powder distribution device; 20. Powder processing device; 201. Film-forming roller; 1. Storage mechanism; 11. Storage hopper; 111. Outlet opening; 12. Vibration drive element; 13. First material width adjustment assembly; 131. First locking element; 1311. Storage chamber; 132. First drive unit; 1321. Threaded rod; 1322. Handwheel; 14. Storage material level sensing element; 2. Distribution mechanism; 21. Flow hopper; 211. Inlet opening; 212. Distribution opening; 22. Distribution roller; 221. Material groove; 222. Roller body; 223. Third locking element; 23. Distribution drive unit; 231. Distribution drive element; 24. Second material width adjustment assembly; 241. Second locking element; 2411. Locking section; 24111. Flow chamber; 242. Distribution locking element; 25. Hopper door; 26. Scale; 3. Conveyor mechanism; 31. Conveyor belt; 32. Conveyor material width adjustment assembly; 321. Conveyor locking element; 3211. Mounting rod; 33. Conveyor mounting element; 34. Outer cover; 341. Open opening; 342. Discharge opening; 35. Collection tray; 36. Cleaning element; 41. Downstream material width adjustment assembly; 411. Downstream locking element; 42. Downstream mounting element; 421. Processing hopper; 4211. Slide bar; 43. Bracket; 44. Downstream material level detection element. Description of embodiments
[0011] To clarify the purpose, technical solution, and advantages of the embodiments of this utility model, the technical solutions in these embodiments are described clearly and completely below in conjunction with the accompanying drawings. It is understood that the described embodiments represent only a portion of the embodiments of this utility model and not all of them. The components of the embodiments of this utility model, generally described and illustrated in the accompanying drawings, can be arranged and designed in a multitude of different configurations.
[0012] Accordingly, the following detailed description of the embodiments of the present utility model in the accompanying drawings is not intended to limit the scope of the present utility model for which protection is claimed, but merely presents selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained through an inventive step of an average person skilled in the art fall within the scope of protection of the present utility model.
[0013] It should be noted that similar designations and letters denote similar elements in the following attached drawings, so that an element defined once in one attached drawing does not need to be further defined and explained in the subsequent attached drawings.
[0014] In the description of this utility model, it is understood that the terms, e.g., "top," "bottom," "left," "right," "vertical," "horizontal," "inside," "outside," which indicate the orientation or positional relationship, are based on the orientation or positional relationship shown in the attached drawings, or on the orientation or positional relationship in which the product of this utility model is usually arranged during use. These terms serve only for the sake of simplicity and to simplify the description of this utility model and do not indicate or imply that the device or element referred to must have a specific orientation or be designed and operated with a specific orientation, and are therefore not to be understood as a limitation of this utility model. Furthermore, the terms "first," "second," and "third," etc., are used in this context.These terms are used for descriptive purposes only and are not to be understood as indicating or implying any relative meaning. In the description of this utility model, "a multitude of" means two or more, unless expressly defined otherwise.
[0015] In the description of this utility model, it should be noted that the terms, e.g., "provided for" and "connected," are to be understood broadly, unless expressly stated otherwise and limited, e.g., as either a permanent connection, a detachable connection, or a connection in one piece; a mechanical connection or an electrical connection. The specific meaning of the aforementioned terms in this utility model is clear to a person competent in the field.
[0016] In the present utility model, "above" or "below" the first feature of the second feature can indicate direct contact between the first and second features. It can also mean that the first and second features are not in direct contact, but are connected by another feature between them, unless expressly provided and limited otherwise. Furthermore, the first feature being "above," "above," or "above" the second feature can mean that the first feature is located directly or obliquely above the second feature, or simply that the first feature is horizontally higher than the second feature. The first feature being "below" or "below" the second feature can mean that the first feature is located directly or obliquely below the second feature, or simply that the first feature is horizontally lower than the second feature.
[0017] The embodiments of the present utility model are described in detail below, and examples of these embodiments are illustrated in the accompanying drawings, where the same or similar designations everywhere denote the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present utility model and are not to be understood as limiting the present utility model.
[0018] As in the Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 to Fig.Figure 8 shows that the present utility model represents a powder distribution device and a powder processing device, wherein the powder processing device comprises a powder distribution device 10 and a powder processing device 20, wherein the powder distribution device 10 is used to supply powder to the powder processing device 20.
[0019] The powder distribution device 10 comprises a storage mechanism 1, a distribution mechanism 2 and a conveying mechanism 3, wherein the storage mechanism 1 comprises a storage hopper 11 and a vibration drive element 12, wherein the vibration drive element 12 is used to vibrate the storage hopper 11, wherein the storage hopper 11 is provided on an underside with an outlet opening 111;wherein the distribution mechanism 2 comprises a flow container 21, a distribution roller 22 and a distribution drive unit 23, wherein the flow container 21 comprises an inlet opening 211 and a distribution opening 212, wherein the inlet opening 211 is provided corresponding to and connected with the outlet opening 111, wherein the distribution opening 212 is located on the underside of the flow container 21, wherein the distribution roller 22 is rotatably provided in the flow container 21, wherein the distribution drive unit 23 is used to drive the distribution roller 22 to rotate, wherein the distribution roller 22 is provided on a circumferential surface with a plurality of material grooves 221 which are uniformly distributed along a circumferential direction of the distribution roller 22;wherein the conveying mechanism 3 comprises a conveyor belt 31 and a conveying drive unit, the conveyor belt 31 being arranged below the distribution opening 212, the conveying drive unit being used to drive the conveyor belt 31 in rotation to convey the powder to a powder processing device 20. In this embodiment, the powder processing device 20 comprises a film-forming roller 201 for grinding the powder into a film, the conveyor belt 31 being used to convey the powder to the film-forming roller 201. For example, the number of film-forming rollers 201 is two, the two film-forming rollers 201 rotating relative to each other to grind and compress the powder passing between the two film-forming rollers 201 into a film.
[0020] In the powder distribution device 10 of this embodiment, a vibratory drive element 12 vibrates a storage hopper 11, effectively solving the problem of powder agglomeration and allowing the powder to fall through a discharge opening 342 and an inlet opening 200 into a material groove 221 on the distribution roller 22. Furthermore, the distribution drive unit 23 rotates the distribution roller 22, distributing the powder evenly on the conveyor belt 31. Finally, the conveyor drive unit rotates the conveyor belt 31 and conveys the powder to the powder processing device 20 to achieve uniform discharge, significantly improving the discharge rate compared to manual discharge methods by ensuring consistent discharge.
[0021] It should be noted that the multitude of material grooves 221 have the same shapes and sizes, which in turn results in the multitude of material grooves 221 having the same volume and a uniform distribution can be achieved by rotating the distribution roller 22 at a uniform speed.
[0022] Optionally, the storage mechanism 1 further comprises a first material width adjustment assembly 13, wherein the first material width adjustment assembly 13 comprises two first locking elements 131, which are provided opposite each other in a first direction on the storage hopper 11, wherein the two first locking elements are provided within the storage hopper 11, and wherein at least one of the first locking elements 131 is provided to be positionally adjustable along the first direction. By adjusting the mounting position of the first locking element 131 in the first direction, the width of the outlet opening 111 is adjusted in the first direction, thereby achieving the purpose of adjusting an outlet width. The axial direction of the connecting roller 22 is parallel to the first direction.
[0023] It should be noted that a storage chamber 1311 is formed between the two first locking elements 131, and the outlet opening 111 is located on the underside of the storage chamber 1311. By adjusting the mounting position of the first locking element 131 in the first direction, the width of the storage chamber 1311 in the first direction is adjusted, and thus also the width of the outlet opening 111 in the first direction.
[0024] Optionally, the distribution mechanism 2 further comprises a second material width adjustment assembly 24, wherein the second material width adjustment assembly 24 comprises second locking elements 241, which are provided one-to-one corresponding to the two first locking elements 131, wherein the two locking elements 241 are provided on the connecting roller 22, wherein the second locking element 241 comprises a plurality of locking sections 2411, each of which is located in a plurality of the material grooves 221, wherein the second locking element 241, which corresponds to the positionally adjustable first locking element 131, is provided to be positionally adjustable along the first direction.It should be noted that a flow chamber 24111 is formed between two locking sections 2411 located in the same material groove 221, and by adjusting the mounting position of the second locking element 241 in the first direction, the width of the flow chamber 24111 in the first direction can be adjusted, thereby achieving the purpose of adjusting the distribution width. Simultaneously, it is possible to make the width of the flow chamber 24111 in the first direction equal to the width of the outlet opening 111 in the first direction and to align the flow chamber 24111 with the outlet opening 111, thus keeping the position of the powder in the first direction unchanged when the powder passes over the storage mechanism 1 and the distribution mechanism 2, which helps to improve the uniformity of the powder discharge.
[0025] Optionally, the conveying mechanism 3 further comprises a conveying material width adjustment assembly 32, wherein the conveying material width adjustment assembly 32 comprises conveying locking elements 321, which are provided one-to-one corresponding to the two second locking elements 241; wherein the two conveying locking elements 321 are provided on the conveyor belt 31, wherein the conveying locking element 321 corresponding to the positionally adjustable second locking element 241 is provided to be positionally adjustable along the first direction; and / or In this way, the powder falling onto the conveyor belt 31 can be located between the two conveying locking elements 321, thereby ensuring that the powder is evenly distributed on the conveyor belt 31, which contributes to improving the uniformity of the discharge and thus improves the quality of the film formation.Depending on the mounting position of the second locking element 241 in the first direction, adjusting the mounting position of the conveying locking element 321 in the first direction can ensure that the position of the powder in the first direction remains unchanged when the powder flows on the distribution mechanism 2 and the conveying mechanism 3, which helps to improve the uniformity of the discharge.
[0026] It should be noted that the conveyor locking element 321 is provided on the conveyor belt 31, in particular the conveyor locking element 321 is fixed on the top of the conveyor belt 31, and there is a tiny gap between the conveyor locking element 321 and the conveyor belt 31, so that, without affecting the rotation of the conveyor belt 31, the powder on the conveyor belt 31 is locked by the conveyor locking element 321.
[0027] Optionally, the powder distribution device 10 further comprises a downstream material width adjustment assembly 41, wherein the downstream material width adjustment assembly 41 includes downstream locking elements 411, which correspond one-to-one to the two conveying locking elements 321, the two downstream locking elements 411 being provided on the powder processing device 20, the downstream locking element 411 corresponding to the positionally adjustable conveying locking element 321 being positionally adjustable along the first direction. In this way, the powder conveyed to the powder processing device 20 can be located between the two downstream locking elements 411, which contributes to improving the uniformity of the discharge and thus to improving the quality of the film formation.Depending on the mounting position of the second locking element 241 in the first direction, adjusting the mounting position of the downstream locking element 411 in the first direction can ensure that the position of the powder in the first direction remains unchanged when the powder flows from the distribution mechanism 2 and the conveying mechanism 3 to the film-forming roller 201, which helps to improve the uniformity of the discharge.
[0028] It should be noted that in this embodiment the downstream locking element 411 is provided on the film-forming roller 201, in particular the downstream locking element 411 is fixedly provided on the top of the film-forming roller 201, and there is a tiny gap between the downstream locking element 411 and the film-forming roller 201, so that, without affecting the rotation of the film-forming roller 201, the powder on the film-forming roller 201 is locked by the downstream locking element 411.
[0029] Optionally, the first two locking elements 131 are provided in the storage hopper 11 and are positionally adjustable along the first direction. Optionally, the second two locking elements 241 are provided on the distribution roller 22 and are positionally adjustable along the first direction. Optionally, the first two conveying locking elements 321 are provided on the conveyor belt 31 and are positionally adjustable along the first direction. Optionally, the two downstream locking elements 411 are provided on the powder processing device 20 and are positionally adjustable along the first direction.
[0030] In this way, the position of the powder in the first direction can remain unchanged as it flows from storage mechanism 1, distribution mechanism 2, and conveying mechanism 3 to the film-forming roller 201, which contributes to improved uniformity of discharge. At the same time, it is also advantageous for the powder to be located in the center of the film-forming roller 201 in the first direction, which contributes to improved uniformity of the force exerted on the powder and thus improves the quality of film formation.
[0031] Optionally, the first material width adjustment assembly 13 further includes a first drive unit 132, wherein the first drive unit 132 is used to move the first positionally adjustable locking element 131 along the first direction, which in turn can facilitate the control of the first material stopper 131 so that it moves in the first direction, and operation is convenient.
[0032] For example, the first two locking elements 131 are provided to slide in the storage hopper 11 in the first direction, the first drive unit 132 comprises a threaded rod 1321 and a handwheel 1322, and the two first locking elements 131 are each screwed to both ends of the threaded rod 1321. The threads of the two ends of the threaded rod 1321 are turned in opposite directions, and the handwheel 1322 is attached to one end of the threaded rod 1321, so that by manually turning the threaded rod 1321 it is possible to move the two first locking elements 131 closer to or further apart from each other. Of course, a rotary drive element, such as a motor, can also be provided to rotate the threaded rod 1321.
[0033] It should be noted that a small gap is formed between the first locking element 131 and the inner wall of the storage hopper 11, so that the powder can be blocked by the first locking element 131 without affecting the movement of the first locking element 131 in the first direction.
[0034] Optionally, the second locking element 241 is locked or unlocked with the distribution roller 22 by the distribution locking element 242, which facilitates the adjustment of the mounting position of the second locking element 241 in the first direction without affecting the rotation of the distribution roller 22.
[0035] The distribution locking element 242 is, for example, a screw, and the outer surface of the distribution roller 22 is provided with a plurality of sets of threaded holes arranged sequentially in the first direction, each set comprising a plurality of threaded holes arranged sequentially in the circumferential direction of the distribution roller 22. One end of the screw passes through the second locking element 241 and engages with the threaded holes at various positions on the distribution roller 22, thereby setting the mounting position of the second locking element 241 in the first direction and improving the ease of disassembly and assembly of the second locking element 241.
[0036] Optionally, the film-forming roller 22 comprises a roller body 222 and a plurality of third locking elements 223, wherein the roller body 222 is rotatably mounted within the flow container, and wherein the plurality of third locking elements 223 are uniformly distributed along a circumferential direction of the roller body 222 on an outer circumference of the roller body 222, with a material groove 221 formed between two adjacent third locking elements 223. Such a configuration facilitates the manufacture of the distribution roller 22.
[0037] Furthermore, the multitude of third locking elements 223 are detachably connected to the roller body 222 by means of screws and other locking elements, so that the volume of the material groove 221 can be adjusted by adjusting the distance between two adjacent third locking elements 223, which is more versatile.
[0038] In particular, the multiple locking sections 2411 are all independently arranged locking blocks, and the locking blocks are clamped between two adjacent third locking elements 223. Of course, it is also possible that the second locking element 241 is a one-piece locking ring, wherein a clearance groove is provided between two adjacent locking sections 2411, a locking section 2411 is clamped between two adjacent third locking elements 223, and the third locking element 223 is inserted into the clearance groove.
[0039] Optionally, the conveying mechanism 3 includes a conveying mounting element 33, the conveying drive unit comprises a conveying drive element and two conveying rollers, the two conveying rollers are rotatably mounted on the conveying mounting element 33, the conveyor belt 31 is arranged around the outside of the two conveying rollers, and the conveying drive element drives one of the conveying rollers to rotate in order to drive the conveyor belt 31 to rotate. For example, the conveying drive element is a rotary drive element such as a motor.
[0040] Optionally, the conveyor locking element 321 is locked or unlocked with the conveyor mounting element 33 by the conveyor safety element, which in turn facilitates the adjustment of the mounting position of the conveyor locking element 321 in the first direction.
[0041] Furthermore, the number of conveyor securing elements is large in order to improve the assembly stability of the conveyor mounting element 33. For example, conveyor securing elements are provided at both ends of the conveyor locking element 321.
[0042] In particular, the conveyor locking element 321 comprises a mounting rod 3211, which is slidably mounted on the conveyor mounting element 33 in a first direction. The conveyor locking element also includes a damper, which is fixedly mounted on the conveyor mounting element 33 and is attached to an outer surface of the mounting rod 3211. During operation of the conveyor belt 31, the force of the powder acting on the conveyor locking element 321 is small, and the damping force provided by the damper can lock the conveyor locking element 321 to the conveyor mounting element 33. Unlocking can be achieved by sliding the conveyor locking element 321 and overcoming the damping force of the damper to adjust the position of the conveyor locking element 321.
[0043] Optionally, the powder processing device 20 includes a downstream mounting element 42, and in this embodiment, the film-forming roller 201 is rotatably mounted on the downstream mounting element 42, and the downstream locking element 411 is locked or unlocked with the downstream mounting element 42 by the downstream locking element. In particular, the number of film-forming rollers 201 is two, the two film-forming rollers 201 are rotatably mounted on the downstream mounting element 42, the two film-forming rollers 201 are positioned opposite each other, and the two film-forming rollers 201 rotate in opposite directions to grind and compress the powder passing between the two film-forming rollers 201.
[0044] Furthermore, the number of downstream locking elements is increased to improve the mounting stability of the downstream locking element 411. For example, downstream locking elements are provided at both ends of the downstream locking element 411.
[0045] In particular, the downstream mounting element 42 comprises a processing funnel 421, the two downstream locking elements 411 are provided in the processing funnel 421, the processing funnel 421 is provided with a sliding rod 4211, and the downstream locking element 411 is mounted on the sliding rod 4211 so as to slide in the first direction. The downstream locking element comprises a bracket 43, the bracket 43 is mounted on the outside of the sliding rod 4211 and is fixedly connected to the downstream locking element 411, and by locking the bracket 43, the bracket 43 can be caused to tighten the sliding rod 4211 to lock the downstream locking element 411 to the sliding rod 4211; by releasing the bracket 43, the position of the downstream locking element 411 can be adjusted in the first direction.
[0046] Optionally, the distribution drive unit 23 includes a distribution drive element 231, and the distribution roller 22 can be directly driven to rotate by the distribution drive element 231. The distribution drive unit 23 can also include a reduction gear, with the input end of the reduction gear connected to the distribution drive element 231 and the output end to the distribution roller 22, to improve the precision of the rotational speed control of the distribution roller 22, thus further improving the uniformity of the distribution. For example, the distribution drive element 231 is a rotary drive element such as a motor.
[0047] Optionally, the number of vibration drive elements 12 is two, and the two vibration drive elements 12 are each provided on both sides of the storage hopper 11, which prevents agglomeration of the powder. For example, the vibration drive elements 12 are vibration motors.
[0048] Optionally, the storage mechanism 1 further comprises a storage material level detection element 14 and a material shortage alarm, wherein the storage material level detection element 14 is used to detect the material level of the powder in the storage hopper 11, and the material shortage alarm is communicatively linked to the storage material level detection element 14. The storage material level detection element 14 is used to detect whether the material level of the powder in the storage hopper 11 is below the lower limit of the storage material, and if the storage material level detection element 14 detects that the material level of the powder in the storage hopper 11 is below the lower limit of the storage material, it is alerted by the material shortage alarm to remind the personnel to replenish the material in a timely manner, with a high degree of automation.
[0049] Optionally, the powder distribution device 10 further comprises a downstream material level detection element 44, wherein the downstream material level detection element 44 is used to detect the material level of the powder that has accumulated on the powder processing device 20, wherein the downstream material level detection element 44 is communicatively connected to the distribution drive unit 23, so that the distribution drive unit 23 can control the rotational speed of the distribution roller 22 according to the detection result of the downstream material level detection element 44.
[0050] In particular, the number of downstream material level detection elements 44 is two, each recorded as a downstream material level detection element for the upper limit and a downstream material level detection element for the lower limit. If the downstream material level detection element for the upper limit detects that the material level of the powder stacked on the powder processing device 20 is higher than the upper limit of the material stack, it causes the distribution drive unit 23 to decrease the rotational speed of the distribution roller 22 in order to reduce the material discharge rate and decrease the powder stack.If the downstream material level detection element for the lower limit determines that the material level of the powder stacked on the powder processing device 20 is lower than the lower limit of the material stack, the distribution drive unit 23 drives the distribution roller 22 to rotate at an increased speed to increase the discharge rate. In this way, a dynamic adjustment of the discharge rate is achieved in a closed control loop, which in turn can effectively solve the problem of uneven surface density of the film formation caused by a large height difference in the material level and is also useful for realizing the mass production operation of film formation.
[0051] In particular, the powder distribution device 10 further comprises a control system. The vibratory drive element 12, the distribution drive unit 23, the conveying drive unit, the storage material level sensing element 14, the material shortage alarm, and the downstream material level sensing element 44 are connected to the control system, and the control system is used to control the operation of the vibratory drive element 12, the distribution drive unit 23, and the conveying drive unit. The storage material level sensing element 14 and the downstream material level sensing element 44 are able to send their respective sensing results to the control system, and the control system is also able to control the operation of the distribution drive unit 23 and the conveying drive unit according to the sensing results of the storage material level sensing element 14 and the downstream material level sensing element 44.
[0052] Optionally, the distribution mechanism 2 further comprises a container door 25, wherein the container door 25 is arranged to slide in the first direction on the distribution opening 212, and by adjusting the opening of the container door 25 so that the width of the distribution opening 212 in the first direction is the same as the width of the flow chamber 24111 in the first direction, it is prevented that the remaining powder in the area different from the flow chamber 24111 falls in the material groove 221 onto the conveyor belt 31.
[0053] In particular, the number of container doors 25 is two, and the two container doors 25 are provided on both sides of the distribution opening 212 in the first direction.
[0054] Optionally, the flow-through container 21 is equipped with a scale 26, the scale 26 being used to measure the opening of the container doors 25, which in turn facilitates the control and monitoring of the opening of the container doors 25.
[0055] Optionally, the conveying mechanism 3 further comprises an outer cover 34, wherein the outer cover 34 is mounted on an outside of the conveyor belt 31, wherein the outer cover 34 is provided at one end with an open opening 341 to allow the conveyor belt 31 to extend, and wherein the outer cover 34 is provided with a discharge opening 342 corresponding to the distribution opening 212; and / or the outer cover 34 is provided on the outside of the conveyor belt 31, thereby preventing the powder from flying into the air and escaping.
[0056] Optionally, the conveying mechanism 3 further includes a collection tray 35, wherein the collection tray 35 is provided below the conveyor belt 31, so that the powder remaining on the conveyor belt 31 can fall into the collection tray 35, thereby preventing the powder from escaping.
[0057] Optionally, the conveying mechanism 3 further includes a cleaning element 36. The cleaning element 36 rests against the surface of the conveyor belt 31 and is located at the rear of the distribution opening 212 along the conveying direction of the conveyor belt 31. This allows the cleaning element 36 to remove any remaining powder from the conveyor belt 31 before the powder falling through the distribution opening 212 falls onto the conveyor belt 31, thus facilitating precise control of the powder discharge quantity. For example, the cleaning element 36 can be a brush.
[0058] In particular, the cleaning element 36 and the powder processing device 20 are each arranged at opposite ends of the conveyor belt 31. Optionally, one end of the collection tray 35 extends below the cleaning element 36, so that the powder removed by the cleaning element 36 can be collected in the collection tray 35.
[0059] For example, the powder processing device of this embodiment works as follows:
[0060] First, the first material width adjustment assembly 13, the second material width adjustment assembly 24, the conveying material width adjustment assembly 32, and the downstream material width adjustment assembly 41 are adjusted according to the film forming width such that the distance between the two first locking elements 131, the distance between the two second locking elements 241, the distance between the two conveying locking elements 321, and the distance between the two downstream locking elements 411 are all equal, and the two second locking elements 241 are aligned one-to-one with the two first locking elements 131, the two conveying locking elements 321 are aligned one-to-one with the two second locking elements 241, and the two downstream locking elements 411 are aligned one-to-one with the two conveying locking elements 321, and the two downstream locking elements 411 are symmetrical about the center line of the film forming roller. 201 ordered,which is perpendicular to the axis of the film-forming roller 201, whereby the powder falling onto the film-forming roller 201 is arranged in the center of the film-forming roller 201 along the first direction in order to improve the uniformity of the force exerted on the powder and thereby improve the quality of the film formation.
[0061] The powder is then stored in the storage hopper 11 by manual loading. The vibratory motor breaks up the agglomerated powder by vibration, and the powder falls into the material groove 221 of the distribution roller 22 through the outlet opening 111 and the inlet opening 211. The distribution drive unit 23 drives the distribution roller 22 so that it rotates at a uniform speed to distribute the powder evenly on the conveyor belt 31. Finally, the conveyor belt 31 is driven by the distribution drive unit to rotate in order to convey the powder to the film-forming roller 201, so that the powder is ground and pressed into a film by the film-forming roller 201.
[0062] In summary, the outlet widths of the first material width adjustment assembly 13, the second material width adjustment assembly 24, the conveying material width adjustment assembly 32, and the downstream material width adjustment assembly 41 are adjustable to meet the production requirements of different film widths; both the distribution mechanism 2 and the conveying mechanism 3 are able to adjust the speed to meet the production requirements of different film layer capacities;The downstream material level detection element 44 is able to detect the material level of the powder stacked on the powder processing device 20 in order to enable the distribution drive unit 23 to control the rotational speed of the distribution rollers 22 according to the detection results of the downstream material level detection element 44, thereby realizing the dynamic adjustment of the material discharge speed in a closed control loop, effectively solving the problem of instability in the surface density of the film formation caused by a large difference in the height of the material level, and is also useful for realizing the mass production of the film formation process.
[0063] It should be noted that the foregoing represents only a preferred embodiment of the present utility model and the technical principles applied. Those skilled in the art will understand that the present utility model is not limited to the particular embodiments described herein and that various obvious variations, adaptations, and substitutions are possible without departing from the scope of protection of the present utility model. Although the present utility model has been described in detail by the above embodiments, it is not limited to them but may include further equivalent embodiments without compromising the concept of the present utility model, and the scope of the present utility model is determined by the scope of the accompanying claims.
[0064] This utility model discloses a powder distribution device and a powder processing device and relates to the technical field of powder distribution. The present utility model provides a powder distribution device and a powder processing device, wherein a vibratory drive element vibrates a storage hopper, thereby effectively solving the problem of powder agglomeration and allowing the powder to fall through a discharge opening and an inlet opening into a material groove on the distribution roller. Furthermore, the distribution drive unit rotates the distribution roller, thereby distributing the powder evenly on the conveyor belt.Finally, the conveyor drive unit sets the conveyor belt in motion and transports the powder to the powder processing device to achieve a uniform discharge of the powder, which significantly improves the discharge rate based on ensuring the uniformity of the discharge compared to the manual discharge method.
Claims
[1] Powder distribution device, characterized by that it includes the following: a storage mechanism (1) comprising a storage hopper (11) and a vibration drive element (12), wherein the vibration drive element (12) is used to vibrate the storage hopper (11), wherein the storage hopper (11) is provided on a bottom side with an outlet opening (111); a distribution mechanism (2) comprising a flow container (21), a distribution roller (22) and a distribution drive unit (23), wherein the flow container (21) comprises an inlet opening (211) and a distribution opening (212), the inlet opening (211) being provided corresponding to and connected with the outlet opening (111), the distribution opening (212) being located on the underside of the flow container (21), the distribution roller (22) being rotatably provided in the flow container (21), the distribution drive unit (23) being used to drive the distribution roller (22) to rotate, the distribution roller (22) being provided on a circumferential surface with a plurality of material grooves (221) which are uniformly distributed along a circumferential direction of the distribution roller (22); a conveying mechanism (3) comprising a conveyor belt (31) and a conveying drive unit, wherein the conveyor belt (31) is arranged below the distribution opening (212), wherein the conveying drive unit is used to drive the conveyor belt (31) in rotation to convey the powder to a powder processing device (20). [2] Powder distribution device according to claim 1, characterized by, that the storage mechanism (1) further comprises a first material width adjustment assembly (13), wherein the first material width adjustment assembly (13) comprises two first locking elements (131) which are provided opposite each other in a first direction on the storage hopper (11), wherein at least one of the first locking elements (131) is provided to be positionally adjustable along the first direction in order to adjust the width of the outlet opening (111) along the first direction; wherein the axial direction of the connecting roller (22) is parallel to the first direction;and that the distribution mechanism (2) further comprises a second material width adjustment assembly (24), wherein the second material width adjustment assembly (24) comprises second locking elements (241) which are provided one-to-one corresponding to the two first locking elements (131), wherein the two locking elements (241) are provided on the connecting roller (22), wherein the second locking element (241) comprises a plurality of locking sections (2411) which are each located in a plurality of the material grooves (221), wherein the second locking element (241), which corresponds to the positionally adjustable first locking element (131), is provided to be positionally adjustable along the first direction. [3] Powder distribution device according to claim 2, characterized by, that the conveying mechanism (3) further comprises a conveying material width adjustment assembly (32), wherein the conveying material width adjustment assembly (32) comprises conveying locking elements (321) which are provided one-to-one corresponding to the two second locking elements (241); wherein the two conveying locking elements (321) are provided on the conveyor belt (31), wherein the conveying locking element (321) which corresponds to the positionally adjustable second locking element (241) is provided to be positionally adjustable along the first direction;and / or that the powder distribution device (10) further comprises a downstream material width adjustment assembly (41), wherein the downstream material width adjustment assembly (41) comprises downstream locking elements (411) which are provided one-to-one corresponding to the two conveying locking elements (321), wherein the two downstream locking elements (411) are provided on the powder processing device (20), wherein the downstream locking element (411) which corresponds to the positionally adjustable conveying locking element (321) is provided to be positionally adjustable along the first direction. [4] Powder distribution device according to claim 3, characterized by , that the two first locking elements (131) are provided to be positionally adjustable along the first direction in the storage hopper (11); that the two second locking elements (241) are provided to be positionally adjustable along the first direction on the distribution roller (22); that the first two conveyor barrier elements (321) are provided to be positionally adjustable on the conveyor belt (31) along the first direction; that the two downstream locking elements (411) are provided to be positionally adjustable along the first direction on the powder processing device (20); [5] Powder distribution device according to claim 3, characterized by , that the first material width adjustment assembly (13) further comprises a first drive unit (132), wherein the first drive unit (132) is used to move the first positionally adjustable locking element (131) along the first direction; and / or that the second locking element (241) is locked or unlocked with the distribution roller (22) by means of a distribution locking element (242); that the conveying mechanism (3) comprises a conveying assembly element (33), wherein the conveyor belt (31) is rotatably provided on the conveying assembly element (33), wherein the conveying locking element (321) is locked or unlocked with the conveying assembly element (33) by means of a conveying safety element; that the powder processing device (20) comprises a downstream mounting element (42), wherein the downstream locking element (411) is locked or unlocked with the downstream mounting element (42) by means of a downstream locking element. [6] Powder distribution device according to claim 1, characterized by, that the storage mechanism (1) further comprises a storage material level detection element (14) and a material shortage alarm, wherein the storage material level detection element (14) is used to detect the material level of the powder in the storage hopper (11), the material shortage alarm being communicatively connected to the storage material level detection element (14); and / or that the powder distribution device (10) further comprises a downstream material level detection element (44), wherein the downstream material level detection element (44) is used to detect the material level of the powder that has accumulated on the powder processing device (20), the downstream material level detection element (44) being communicatively connected to the distribution drive unit (23). [7] Powder distribution device according to claim 1, characterized bythat the conveying mechanism (3) further comprises an outer cover (34), wherein the outer cover (34) is mounted on an outer side of the conveyor belt (31), wherein the outer cover (34) is provided at one end with an open opening (341) to allow the conveyor belt (31) to extend, and wherein the outer cover (34) is provided with a discharge opening (342) corresponding to the distribution opening (212); and / or that the conveying mechanism (3) further comprises a collection tray (35), the collection tray (35) being provided below the conveyor belt (31); and / or that the conveying mechanism (3) further comprises a cleaning element (36), wherein the cleaning element (36) rests against the surface of the conveyor belt (31), and wherein the cleaning element (36) is located behind the distribution opening (212) in the transport direction of the conveyor belt (31). [8] Powder distribution device according to claim 1, characterized by, that the distribution roller (22) comprises the following: a roller body (222), wherein the roller body (222) is rotatably provided within the flow container; a plurality of third locking elements (223), wherein the plurality of third locking elements (223) is uniformly distributed along a circumferential direction of the roller body (222) on an outer circumference of the roller body (222), wherein a material groove (221) is formed between two adjacent third locking elements (223). [9] Powder distribution device according to claim 1, characterized by , that the distribution mechanism (2) further comprises a container door (25), wherein the container door (25) is provided to slide along the distribution opening (212) in the first direction. [10] Powder distribution device according to claim 9, characterized by, that the flow container (21) is provided with a scale (26), the scale (26) being used to measure the opening of the container door (25). [11] Powder processing equipment, characterized by , that it comprises a powder distribution device (10) according to one of claims 1 to 10 and a powder processing device (20), wherein the powder processing device (20) comprises a film-forming roller (201) for grinding the powder into a film, wherein the conveyor belt (31) is used for conveying the powder to the film-forming roller (201).