Circulating powder returning device
By designing a recycling and recovery device, the automatic recycling and powder spreading of powder is achieved using the spiral shaft and driving mechanism, which solves the problem of time-consuming and laborious powder recycling in the powder shaker, realizes automatic operation and improves work efficiency.
Patent Information
- Application Number
- CN202422513163.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-10-16
AI Technical Summary
During the white ink hot painting process of existing powder shakers, the recycling of excess powder requires manual operation, which is time-consuming and labor-intensive, and lacks automatic recycling equipment.
A recycling powder return device is designed. By setting up a powder spiral shaft, a powder return spiral shaft and a powder sprinkler shaft, the driving mechanism is used to realize automatic circulation of powder, including the connection of the powder sprinkler groove, a powder drop groove and a powder return tube, to realize automatic pushing and powder sprinkling of powder.
Automatic recycling and flouring of powder is realized, saving time and effort, avoiding manual operation, and improving work efficiency.
Smart Images

Figure CN223161524U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of powder shaking machines, in particular to a circulating powder returning device. Background Art
[0002] During the hot transfer process of white ink heat transfer printing, in order to ensure that the pattern part of the white ink workpiece can be evenly pollinated and the powder can be efficiently scattered, a large number of powder shaking machines are used in the field of white ink heat transfer printing. The powder shaking machine can evenly scatter the powder on the white ink pattern with high efficiency. However, the excess powder attached to the white ink pattern needs to be dropped into the collection box for recycling by the powder shaking plate on the powder shaking machine by rotating and shaking the white ink film, and then the powder in the collection box is collected into the powder scattering box by manual labor and then scattered, so as to achieve the purpose of repeated use, which is time-consuming and laborious. Content of the Utility Model
[0003] The technical problem to be solved by the utility model is to provide a circulating powder returning device in view of the above-mentioned defects of the prior art. By arranging a powder feeding spiral shaft, the powder in the powder dropping groove is pushed into the powder returning pipe, and then the powder is pushed into the powder scattering groove by the powder returning spiral shaft, and finally the powder is evenly scattered by the powder scattering spiral shaft, and the excess powder falls into the powder dropping groove again, so as to achieve the purpose of automatic circulation, without manual operation, saving time and labor.
[0004] In order to solve the above technical problems, the technical solution of the utility model is as follows:
[0005] A circulating powder returning device includes a frame. Inside the frame, a powder scattering groove and a powder dropping groove are sequentially arranged from top to bottom. A powder scattering spiral shaft and a powder feeding spiral shaft are respectively arranged in the powder scattering groove and the powder dropping groove. A powder returning pipe communicating with the powder scattering groove and the powder dropping groove is arranged on the side of the frame. A powder returning spiral shaft is arranged in the powder returning pipe. The powder returning spiral shaft is in transmission connection with a powder returning driving mechanism. The powder feeding spiral shaft is in transmission connection with a powder feeding driving mechanism. The powder scattering spiral shaft is in transmission connection with the powder feeding driving mechanism through a synchronous transmission mechanism.
[0006] Preferably, a plurality of powder guiding spiral grooves are formed on the powder returning spiral shaft, the powder scattering spiral shaft and the powder feeding spiral shaft.
[0007] Preferably, the powder returning driving mechanism includes a powder returning motor, a powder returning motor sprocket, a powder returning shaft driving chain and a powder returning shaft sprocket. The powder returning shaft driving chain is respectively in transmission connection with the powder returning motor sprocket and the powder returning shaft sprocket. The powder returning shaft sprocket is installed at the bottom of the powder returning spiral shaft. The powder returning motor sprocket is installed at the output end of the powder returning motor.
[0008] Preferably, the powder feeding driving mechanism includes a powder feeding driving motor, a powder feeding motor sprocket, a powder feeding driving chain and a double-row sprocket. The powder feeding driving chain is respectively connected to the powder feeding motor sprocket and the double-row sprocket in a transmission manner. The double-row sprocket is installed at the end of the powder feeding spiral shaft, and the powder feeding motor sprocket is installed at the output end of the powder feeding motor.
[0009] Preferably, the synchronous transmission mechanism includes a synchronous chain and a powder spreading shaft sprocket. The synchronous chain is respectively connected to the double-row sprocket and the powder spreading shaft sprocket in a transmission manner. The powder spreading shaft sprocket is installed at the end of the powder spreading spiral shaft.
[0010] Preferably, a powder returning flange bearing is sleeved at the end of the powder returning spiral shaft, and a powder returning spiral shaft baffle is arranged outside the powder returning flange bearing; a powder feeding flange bearing is sleeved at the end of the powder feeding spiral shaft, and a powder feeding spiral shaft baffle is arranged outside the powder feeding flange bearing; a powder spreading flange bearing is sleeved at the end of the powder spreading spiral shaft, and a powder spreading spiral shaft baffle is arranged outside the powder spreading flange bearing.
[0011] By adopting the above technical solution, a circulating powder returning device provided by the utility model has the following beneficial effects: in the frame of the circulating powder returning device, a powder spreading tank and a powder falling tank are sequentially arranged from top to bottom. A powder spreading spiral shaft and a powder feeding spiral shaft are respectively arranged in the powder spreading tank and the powder falling tank. A powder returning pipe communicating with the powder spreading tank and the powder falling tank is arranged on the side of the frame. A powder returning spiral shaft is arranged in the powder returning pipe. The powder returning spiral shaft is in transmission connection with a powder returning driving mechanism. The powder feeding spiral shaft is in transmission connection with a powder feeding driving mechanism. The powder spreading spiral shaft is in transmission connection with the powder feeding driving mechanism through a synchronous transmission mechanism. The powder returning spiral shaft is driven to rotate by the powder returning driving mechanism. The powder feeding spiral shaft is driven to rotate by the powder feeding driving mechanism. The synchronous transmission mechanism is driven by the powder feeding driving mechanism. The powder spreading spiral shaft is driven to rotate by the synchronous transmission mechanism. By arranging the powder feeding spiral shaft, the powder in the powder falling tank is pushed into the powder returning pipe, then the powder is pushed into the powder spreading tank by the powder returning spiral shaft, and finally the powder is evenly spread by the powder spreading spiral shaft. The redundant powder falls into the powder falling tank again and is pushed by the powder feeding spiral shaft, so as to achieve the purpose of automatic circulation, without manual operation, saving time and effort, and realizing the rapid and automatic collection, recovery and spreading of the powder. Description of the Drawings
[0012] Figure 1 is an exploded view of the utility model;
[0013] Figure 2 is a three-dimensional view of the utility model;
[0014] Figure 3 is a three-dimensional view of the utility model from another angle;
[0015] In the figure, 1 - frame, 2 - powder spreading trough, 3 - powder falling trough, 4 - powder spreading screw shaft, 5 - powder feeding screw shaft, 6 - powder returning pipe, 7 - powder returning screw shaft, 8 - powder guiding screw groove, 9 - powder returning motor, 10 - powder returning motor sprocket, 11 - powder returning shaft driving chain, 12 - powder returning shaft sprocket, 13 - powder feeding driving motor, 14 - powder feeding motor sprocket, 15 - powder feeding driving chain, 16 - double-row sprocket, 17 - synchronous chain, 18 - powder spreading shaft sprocket, 19 - powder returning flange bearing, 20 - powder returning screw shaft baffle, 21 - powder feeding flange bearing, 22 - powder feeding screw shaft baffle, 23 - powder spreading flange bearing, 24 - powder spreading screw shaft baffle. Detailed implementation manners
[0016] The following further describes the detailed implementation manners of the present utility model in conjunction with the accompanying drawings. It should be noted here that the description of these implementation manners is used to help understand the present utility model, but does not constitute a limitation to the present utility model. In addition, the technical features involved in the various implementation manners of the present utility model described below can be combined with each other as long as they do not conflict with each other.
[0017] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model.
[0018] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0019] As Figures 1 - 3As shown in the figure, the circulating powder return device includes a frame 1. Inside the frame 1, a powder spreading trough 2 and a powder falling trough 3 are arranged in sequence from top to bottom. A powder spreading spiral shaft 4 and a powder feeding spiral shaft 5 are respectively arranged in the powder spreading trough 2 and the powder falling trough 3. On the side of the frame 1, there are powder return pipes 6 respectively communicating with the powder spreading trough 2 and the powder falling trough 3. A powder return spiral shaft 7 is arranged in the powder return pipe 6. The powder return spiral shaft 7 is drivingly connected with a powder return driving mechanism. The powder feeding spiral shaft 5 is drivingly connected with a powder feeding driving mechanism. The powder spreading spiral shaft 4 is drivingly connected with the powder feeding driving mechanism through a synchronous transmission mechanism. It can be understood that the powder return spiral shaft 7 is driven to rotate by the powder return driving mechanism, the powder feeding spiral shaft 5 is driven to rotate by the powder feeding driving mechanism, the synchronous transmission mechanism is driven by the powder feeding driving mechanism, and the powder spreading spiral shaft 4 is driven to rotate by the synchronous transmission mechanism; a number of powder guiding spiral grooves 8 are formed on the powder return spiral shaft 7, the powder feeding spiral shaft 4 and the powder spreading spiral shaft 5. The powder guiding spiral grooves on the powder feeding spiral shaft 5 face the left end to facilitate pushing the powder to the left. The powder guiding spiral grooves on the powder spreading spiral shaft 4 face the right end to facilitate pushing the powder to the right. The powder guiding spiral grooves on the powder return spiral shaft 7 face the upper end to facilitate pushing the powder upward.
[0020] Specifically, the powder return driving mechanism includes a powder return motor 9, a powder return motor sprocket 10, a powder return shaft driving chain 11 and a powder return shaft sprocket 12. The powder return shaft driving chain 11 is respectively drivingly connected with the powder return motor sprocket 10 and the powder return shaft sprocket 12. The powder return shaft sprocket 12 is installed at the bottom of the powder return spiral shaft 7. The powder return motor sprocket 10 is installed at the output end of the powder return motor 9; the powder feeding driving mechanism includes a powder feeding driving motor 13, a powder feeding motor sprocket 14, a powder feeding driving chain 15 and a double-row sprocket 16. The powder feeding driving chain 15 is respectively drivingly connected with the powder feeding motor sprocket 14 and the double-row sprocket 16. The double-row sprocket 16 is installed at the end of the powder feeding spiral shaft 5. The powder feeding motor sprocket 14 is installed at the output end of the powder feeding motor 13; the synchronous transmission mechanism includes a synchronous chain 17 and a powder spreading shaft sprocket 18. The synchronous chain 17 is respectively drivingly connected with the double-row sprocket 16 and the powder spreading shaft sprocket 18. The powder spreading shaft sprocket 18 is installed at the end of the powder spreading spiral shaft 4; a powder return flange bearing 19 is sleeved at the end of the powder return spiral shaft 7. A powder return spiral shaft baffle 20 is arranged on the outside of the powder return flange bearing 19; a powder feeding flange bearing 21 is sleeved at the end of the powder feeding spiral shaft 5. A powder feeding spiral shaft baffle 22 is arranged on the outside of the powder feeding flange bearing 21 to prevent powder from falling into the powder feeding driving motor 13; a powder spreading flange bearing 23 is sleeved at the end of the powder spreading spiral shaft 4. A powder spreading spiral shaft baffle 24 is arranged on the outside of the powder spreading flange bearing 23. It can be understood that the powder feeding driving motor 13 and the powder return motor 9 can both be general electric motors, etc.
[0021] It can be understood that the design of the present utility model is reasonable and the structure is unique. By setting the powder feeding spiral shaft 5, the powder in the powder dropping tank 3 is pushed into the powder return pipe 6, then the powder is pushed into the powder spreading tank 2 by the powder return spiral shaft 7, and finally the powder is evenly spread by the powder spreading spiral shaft 4. The excess powder falls back into the powder dropping tank 3 and is pushed by the powder feeding spiral shaft 5 again, so as to achieve the purpose of automatic circulation, without manual operation, saving time and effort, and can realize the rapid and automatic collection, recovery and spreading of powder.
[0022] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the present utility model, various changes, modifications, substitutions and variations of these embodiments still fall within the protection scope of the present utility model.
Claims
1. A circulating powder return device, comprising a frame, wherein a powder spreading tank and a powder falling tank are sequentially arranged in the frame from top to bottom, and the characteristics are as follows: A powder spreading screw shaft and a powder feeding screw shaft are respectively arranged in the powder spreading tank and the powder falling tank. A powder returning pipe communicating with the powder spreading tank and the powder falling tank is arranged on the side of the frame. A powder returning screw shaft is arranged in the powder returning pipe. The powder returning screw shaft is in driving connection with a powder returning driving mechanism. The powder feeding screw shaft is in driving connection with a powder feeding driving mechanism. The powder spreading screw shaft is in driving connection with the powder feeding driving mechanism through a synchronous transmission mechanism.
2. The circulating powder return device according to claim 1, wherein: A plurality of powder guiding spiral grooves are formed on the powder returning screw shaft, the powder spreading screw shaft and the powder feeding screw shaft.
3. The circulating powder return device according to claim 1, wherein: The powder returning driving mechanism comprises a powder returning motor, a powder returning motor sprocket, a powder returning shaft driving chain and a powder returning shaft sprocket. The powder returning shaft driving chain is respectively in driving connection with the powder returning motor sprocket and the powder returning shaft sprocket. The powder returning shaft sprocket is installed at the bottom of the powder returning screw shaft. The powder returning motor sprocket is installed at the output end of the powder returning motor.
4. The circulating powder return device according to claim 1, characterized in that: The powder feeding driving mechanism comprises a powder feeding driving motor, a powder feeding motor sprocket, a powder feeding driving chain and a double-row sprocket. The powder feeding driving chain is respectively in driving connection with the powder feeding motor sprocket and the double-row sprocket. The double-row sprocket is installed at the end of the powder feeding screw shaft. The powder feeding motor sprocket is installed at the output end of the powder feeding motor.
5. The circulating powder return device according to claim 4, wherein: The synchronous transmission mechanism comprises a synchronous chain and a powder spreading shaft sprocket. The synchronous chain is respectively in driving connection with the double-row sprocket and the powder spreading shaft sprocket. The powder spreading shaft sprocket is installed at the end of the powder spreading screw shaft.
6. The circulating powder return device according to claim 1, wherein: A powder returning flange bearing is sleeved at the end of the powder returning screw shaft. A powder returning screw shaft baffle is arranged on the outer side of the powder returning flange bearing. A powder feeding flange bearing is sleeved at the end of the powder feeding screw shaft. A powder feeding screw shaft baffle is arranged on the outer side of the powder feeding flange bearing. A powder spreading flange bearing is sleeved at the end of the powder spreading screw shaft. A powder spreading screw shaft baffle is arranged on the outer side of the powder spreading flange bearing.