Horizontal auger capable of completely discharging powder

Abstract

The invention relates to a horizontal auger capable of completely discharging powder. The horizontal auger for completely discharging the powder is arranged at the upper part of the powder distribution box and comprises a horizontal powder feeding auger and a material receiving box; the powder feeding auger comprises a horizontal auger rod, a powder feeding motor and an outer sleeve arranged on the outer side of the auger rod in a sleeving mode. The powdering motor is in driving connection with the left end of the auger rod; the outer sleeve abuts against the left end face of the receiving box. The right end of the auger rod penetrates through the left end of the receiving box and is rotationally connected with the lower part of the right end of the receiving box; a lower discharge hole is formed in the lower side surface of the midpoint of the outer sleeve; the front side face and the rear side face of the middle point of the outer sleeve are provided with a front discharging port and a rear discharging port corresponding to the lower discharging port respectively. The front discharge port and the rear discharge port can destroy the matching of the outer sleeve and the auger rod, so that printing powder enters the powder distribution box from the front discharge port and the rear discharge port; the printing powder discharged from the front discharge port and the rear discharge port is discharged according to the centrifugal force principle; and the front discharge port and the rear discharge port can prevent the printing powder from crossing the lower discharge port, so that the printing powder enters the powder distribution box as much as possible.

Description

Technical Field

[0001] This invention relates to the technical field of circulating powder shaking machine, and in particular to a horizontal auger that completely discharges powder. Background Technology

[0002] The term "circulating toner shaker" refers to the process where, inside a toner shaker, the toner powder shaken to the bottom of the toner box is conveyed back into the toner distribution chamber for re-distribution. In the patented circulating toner shaker device with authorization announcement number CN115570897B, a vertical recovery mechanism uses a spiral lifting rod to vertically lift the printing toner to a high position, and then uses an inlet ramp to enter one end of the toner distribution box. However, this recovery component can only convey the printing toner to the end of the toner distribution box, easily causing the printing toner to concentrate and making it difficult for the printing toner to be evenly discharged from the toner outlet. To address this, existing technology proposes a corresponding improvement solution: the patented circulating toner application system with authorization announcement number CN223015632U; this circulating toner application system has an application tube fixedly connected to the toner distribution box fitted outside the application auger. The lower side of the application tube has a toner inlet extending from the midpoint of the application tube to the application motor. The printing toner delivered by the toner auger should fall to the center of the toner distribution box. The toner entering the box should then pile up and gradually spread to the left and right sides for even distribution. However, in actual operation, some printing toner in the toner distribution tube may, due to inertia, travel across the toner inlet with the auger and reach the end where the toner distribution motor is located. This excess toner not only misses out on the toner circulation, causing waste, but may also become lodged inside the bearings supporting the auger, affecting its normal operation. Summary of the Invention

[0003] The purpose of this invention is to solve the above-mentioned problems and provide a horizontal auger that completely discharges powder.

[0004] The technical solution of this invention is: a horizontal auger for discharging printing powder, installed above a powder distribution box, comprising a horizontal powder feeding auger and a receiving box; the receiving box collects printing powder; the powder feeding auger conveys the printing powder to the left; the powder feeding auger includes a horizontal auger rod, a powder feeding motor, and an outer sleeve fitted around the outside of the auger rod; the powder feeding motor is driven to the left end of the auger rod; the powder feeding motor outputs torque to drive the auger rod to rotate; the rotating auger rod cooperates with the outer sleeve to convey the printing powder to the left; the outer sleeve abuts against the left end face of the receiving box; the right end of the auger rod passes through the left end of the receiving box and rotates with the lower part of the right end of the receiving box. The connector is used to transport the printing powder in the receiving box; a lower discharge port is located on the side below the midpoint of the outer sleeve; the printing powder transported to the midpoint of the outer sleeve is mainly discharged from the lower discharge port; the front and rear sides of the midpoint of the outer sleeve are respectively provided with a front discharge port and a rear discharge port corresponding to the lower discharge port, which breaks the fit between the outer sleeve and the auger rod, allowing the printing powder to enter the toner box from the front discharge port and the rear discharge port; the printing powder discharged from the front discharge port and the rear discharge port is discharged using the principle of centrifugal force; the front discharge port and the rear discharge port can prevent the printing powder from crossing the lower discharge port, so that the printing powder enters the toner box as much as possible.

[0005] Preferably, the length of the lower discharge port is equal to the length of the front discharge port and the length of the rear discharge port, ensuring that the printing powder not discharged from the lower discharge port can be discharged from the front discharge port and the rear discharge port.

[0006] Furthermore, the auger rod includes a horizontal rod body and a spiral conveyor blade; the spiral conveyor blade is arranged around the horizontal rod body; the width of the front discharge port is equal to the width of the rear discharge port, ensuring that the front and rear discharge ports can perform equivalent functions regardless of whether the spiral conveyor blades of the auger rod are set in the forward or reverse direction.

[0007] Preferably, the lower left side of the outer sleeve is provided with a discharge port adjacent to the lower discharge port, which can discharge residual printing powder.

[0008] Furthermore, there are several discharge ports to ensure that all printing powder is completely discharged.

[0009] Furthermore, the left end of the spiral conveyor does not exceed the left end of the feed outlet, so that the printing powder does not have the power to exceed the left end of the feed outlet.

[0010] Furthermore, the horizontal bar has a left step at the left end and a right step at the right end; both the left and right steps are equipped with bearings; the left end of the outer sleeve is connected to a left end cover; the bearing installed on the left step is connected to the left end cover; the bearing installed on the right step is connected to the lower right wall of the receiving box; the bearings reduce the rotational resistance of the horizontal bar.

[0011] Furthermore, a driven gear is coaxially fixed to the left end of the horizontal rod; a driving gear is coaxially fixed to the output end of the powder-coating motor; the driving gear meshes with the driven gear; the output torque of the powder-coating motor drives the horizontal rod to rotate through the driving gear and the driven gear.

[0012] Furthermore, the spiral conveyor plate includes several brush clusters; a spiral groove is spirally wound and welded onto the outer circumference of the horizontal rod; the spiral groove is a U-shaped thin-walled metal component; the brush clusters are densely distributed along the spiral groove, with their roots bonded to the spiral groove to form a spiral conveyor plate with a certain degree of elasticity; the U-shaped thin-walled metal component also clamps the brush clusters, improving the connection strength between the brush clusters and the spiral groove; the spiral groove is welded and fixed to the outer circumference of the horizontal rod; compared to a rigid spiral conveyor plate, the elastic spiral conveyor plate generates less heat from friction with the outer sleeve, effectively preventing the printing powder from melting; melted printing powder will adhere to the inner wall of the outer sleeve, causing waste of printing powder and increasing the rotational resistance of the horizontal auger; the elastic spiral conveyor plate can reduce the rotational resistance of the horizontal auger and improve the utilization rate of printing powder.

[0013] Furthermore, a radial disc is provided at the right end of the horizontal rod, which is attached to the inner wall of the right end of the receiving box. The radial disc is locked onto the inner wall of the right end of the receiving box, ensuring that the printing powder entering the receiving box falls to the left side of the radial disc. Several scrapers are distributed around the left circumference of the radial disc, arranged along the radial radius of the disc. As the horizontal rod rotates, the scrapers lift the printing powder entering the receiving box, making it easier for the printing powder to fall onto the spiral conveyor plate and be conveyed to the left. The left end of one of the scrapers abuts against the rightmost brush cluster, achieving a sealing effect. The printing powder lifted by the scraper rotates vertically once within the receiving box at most before being blocked by the scraper abutting against the rightmost brush cluster and guided onto the spiral conveyor plate, reducing the residence time of the printing powder in the receiving box and improving the conveying efficiency of the horizontal auger.

[0014] Preferably, there are several discharge ports at the bottom, front, and rear, and the number is equal to ensure that the printing powder is completely discharged into the powder box.

[0015] The beneficial effects of the present invention are as follows: The horizontal auger for discharging powder of the present invention has the following advantages: (1) The outer sleeve of the present invention is provided with a front discharge port and a rear discharge port on its front and rear sides, which can disrupt the fit between the outer sleeve and the auger rod, allowing the printing powder to enter the powder box from the front discharge port and the rear discharge port; the printing powder discharged from the front discharge port and the rear discharge port is discharged using the principle of centrifugal force; the front discharge port and the rear discharge port can prevent the printing powder from crossing the lower discharge port, so that the printing powder can be discharged smoothly. The printing powder should be placed into the powder box as much as possible; (2) The discharge port of the present invention can discharge residual printing powder; (3) The spiral conveyor blade of the present invention includes several brush clusters; the heat generated by the friction between the brush clusters and the outer sleeve is smaller, which effectively prevents the printing powder from melting due to heat; the printing powder that melts due to heat will adhere to the inner wall of the outer sleeve, causing waste of printing powder and also increasing the rotational resistance of the horizontal auger. Attached Figure Description

[0016] Figure 1 This is a bottom view of the horizontal auger that discharges powder according to the present invention; Figure 2 yes Figure 1 AA section view; Figure 3 yes Figure 2 A magnified view of the I-shaped image; Figure 4 yes Figure 2 II magnified view; Figure 5 yes Figure 2 BB cross-sectional view; Figure 6 yes Figure 2 CC section view; Figure 7 It is a 3D diagram of the auger rod; Figure 8 This is a photograph of the horizontal auger that discharges all the powder according to the present invention. Figure 9 This is a second photograph of the horizontal auger that discharges all the powder according to the present invention; Figure 10 This is a photograph of the auger rod in Example 2; In the diagram: 111. Horizontal rod, 1111. Left step, 1112. Right step, 1113. Bearing, 1114. Driven gear, 1115. Spiral groove, 1116. Radial disc, 1117. Scraper, 112. Spiral conveyor blade, 12. Powder feeding motor, 121. Drive gear, 122. Protective shell, 13. Outer sleeve, 1311. Lower discharge port, 1312. Front discharge port, 1313. Rear discharge port, 132. Exhaust port, 133. Left end cover, 2. Receiving box, 21. Feed inlet. Detailed Implementation

[0017] Example 1: See Figure 1-6A horizontal auger for discharging printing powder is installed above a powder distribution box, comprising a horizontal powder feeding auger and a collection box 2; the collection box 2 collects printing powder; the powder feeding auger conveys the printing powder to the left; the powder feeding auger includes a horizontal auger rod, a powder feeding motor 12, and an outer sleeve 13 fitted around the outside of the auger rod; the powder feeding motor 12 is driven and connected to the left end of the auger rod; the powder feeding motor 12 outputs torque to drive the auger rod to rotate; the rotating auger rod cooperates with the outer sleeve 13 to convey the printing powder to the left; the outer sleeve 13 abuts against the left end face of the collection box 2; the right end of the auger rod passes through the left end of the collection box 2 and is rotatably connected to the lower right end of the collection box 2 to convey the printing powder inside the collection box 2; the outer sleeve 13 contains... The lower side is provided with a lower discharge port 1311; the printing powder conveyed to the midpoint of the outer sleeve 13 is mainly discharged from the lower discharge port 1311; the front and rear sides of the midpoint of the outer sleeve 13 are respectively provided with a front discharge port 1312 and a rear discharge port 1313 corresponding to the lower discharge port 1311, which breaks the cooperation between the outer sleeve 13 and the auger rod, so that the printing powder enters the toner box from the front discharge port 1312 and the rear discharge port 1313; the printing powder discharged from the front discharge port 1312 and the rear discharge port 1313 is discharged by the principle of centrifugal force; the front discharge port 1312 and the rear discharge port 1313 can prevent the printing powder from crossing the lower discharge port 1311, so that the printing powder enters the toner box as much as possible.

[0018] Compared with the prior art, the present invention provides a front discharge port 1312 and a rear discharge port 1313 on the front and rear sides of the outer sleeve 13, which can disrupt the fit between the outer sleeve 13 and the auger rod, allowing the printing powder to enter the toner box from the front discharge port 1312 and the rear discharge port 1313; the printing powder discharged from the front discharge port 1312 and the rear discharge port 1313 is discharged using the principle of centrifugal force; the front discharge port 1312 and the rear discharge port 1313 can prevent the printing powder from crossing the lower discharge port 1311, so that the printing powder enters the toner box as much as possible.

[0019] The length of the lower discharge port 1311 is equal to the length of the front discharge port 1312 and the length of the rear discharge port 1313, ensuring that the printing powder not discharged from the lower discharge port 1311 can be discharged from the front discharge port 1312 and the rear discharge port 1313.

[0020] The auger rod includes a horizontal rod 111 and a spiral conveyor 112; the spiral conveyor 112 is arranged around the horizontal rod 111; the width of the front discharge port 1312 is equal to the width of the rear discharge port 1313, ensuring that the front discharge port 1312 and the rear discharge port 1313 can perform equivalent functions regardless of whether the spiral conveyor 112 of the auger rod is set in the forward or reverse direction.

[0021] The lower left side of the outer sleeve 13 is provided with a discharge port 132 adjacent to the lower discharge port 1311, which can discharge residual printing powder.

[0022] There are several discharge ports 132 to ensure that all printing powder is completely discharged. In this embodiment, there are two discharge ports 1311, 1312, 1313 and 132.

[0023] The left end of the spiral conveyor plate 112 does not exceed the left end of the feed outlet 132, so that the printing powder does not have the power to exceed the left end of the feed outlet 132.

[0024] The horizontal rod 111 has a left step 1111 at the left end and a right step 1112 at the right end; both the left step 1111 and the right step 1112 are equipped with bearings 1113; the left end of the outer sleeve 13 is connected to a left end cap 133; the bearing 1113 installed on the left step 1111 is connected to the left end cap 133; the bearing 1113 installed on the right step 1112 is connected to the lower right wall of the receiving box 2; the bearing 1113 reduces the rotational resistance of the horizontal rod 111.

[0025] There are several lower discharge ports 1311, front discharge ports 1312 and rear discharge ports 1313, and the number is equal to ensure that the printing powder is completely discharged into the powder box.

[0026] The upper right wall of the receiving box 2 is provided with a feed inlet 21; the printing powder enters the receiving box 2 through the feed inlet 21; the feed inlet 21 is located above the right end of the horizontal rod 111; the printing powder entering the receiving box 2 falls onto the right end of the auger rod, which facilitates the conveying of the printing powder.

[0027] The working principle of this embodiment is as follows: the receiving box 2 collects the printing powder; the powder feeding auger conveys the printing powder to the left; the powder feeding motor 12 outputs torque to drive the auger rod to rotate; the rotating auger rod cooperates with the outer sleeve 13 to convey the printing powder to the left; the front discharge port 1312 and the rear discharge port 1313 disrupt the cooperation between the outer sleeve 13 and the auger rod, allowing the printing powder to enter the powder distribution box from the front discharge port 1312 and the rear discharge port 1313; the printing powder discharged from the front discharge port 1312 and the rear discharge port 1313 is discharged using the principle of centrifugal force; the front discharge port 1312 and the rear discharge port 1313 can prevent the printing powder from crossing the lower discharge port 1311, so that the printing powder enters the powder distribution box as much as possible.

[0028] Example 2: Example 2 is basically the same as Example 1, and the similarities will not be repeated. The difference is that: a driven gear 1114 is coaxially fixed to the left end of the horizontal rod 111; a driving gear 121 is coaxially fixed to the output end of the powder-coating motor 12; the driving gear 121 meshes with the driven gear 1114; the output torque of the powder-coating motor 12 drives the horizontal rod 111 to rotate through the driving gear 121 and the driven gear.

[0029] The driving gear 121 and the driven gear are covered by a protective shell 122 to protect them. The powder-applying motor 12 is mounted on the protective shell 122.

[0030] The spiral conveyor 112 includes several brush clusters; a spiral groove 1115 is spirally wound and welded on the outer circumference of the horizontal rod 111; the spiral groove 1115 is a U-shaped thin-walled metal component; the brush clusters are densely distributed along the spiral groove, and their roots are glued to the spiral groove 1115 to form a spiral conveyor 112 with a certain elasticity; the U-shaped thin-walled metal component also clamps the brush clusters, improving the connection strength between the brush clusters and the spiral groove 1115; the spiral groove 1115 is welded and fixed to the outer circumference of the horizontal rod 111; compared with the rigid spiral conveyor 112, the elastic spiral conveyor 112 generates less heat due to friction with the outer sleeve 13, effectively preventing the printing powder from melting due to heat; the printing powder that melts due to heat will adhere to the inner wall of the outer sleeve 13, causing waste of printing powder and increasing the rotational resistance of the horizontal auger; the elastic spiral conveyor 112 can reduce the rotational resistance of the horizontal auger and improve the utilization rate of printing powder.

[0031] The right end of the horizontal rod 111 is provided with a radial disk 1116 that is attached to the inner wall of the right end of the receiving box 2. The radial disk 1116 is engaged with the inner wall of the right end of the receiving box 2, ensuring that the printing powder entering the receiving box 2 falls to the left side of the radial disk 1116. Several scrapers 1117 are distributed around the left circumference of the radial disk 1116 along the radial direction of the radial disk 1116. The scrapers 1117, as the horizontal rod 111 rotates, lift up the printing powder entering the receiving box 2. This makes it easier for the printing powder to fall onto the spiral conveyor plate 112 and be conveyed to the left end; one of the scrapers 1117 has its left end abutting against the rightmost brush cluster to achieve a sealing effect; the printing powder lifted by the scraper 1117 only rotates vertically once in the receiving box 2 at most before being blocked by the scraper 1117 abutting against the rightmost brush cluster and guided onto the spiral conveyor plate 112, reducing the residence time of the printing powder in the receiving box 2 and improving the conveying efficiency of the horizontal auger.

Claims

1. A horizontal auger for discharging powder, disposed on the upper part of a powder distribution box, comprising a horizontal powder feeding auger and a receiving box; the powder feeding auger includes a horizontal auger rod, a powder feeding motor, and an outer sleeve fitted over the outside of the auger rod; the powder feeding motor is driven and connected to the left end of the auger rod; the outer sleeve abuts against the left end face of the receiving box; the right end of the auger rod passes through the left end of the receiving box and is rotatably connected to the lower part of the right end of the receiving box; characterized in that... The outer sleeve has a lower discharge port on the side below the midpoint; the front and rear sides of the midpoint of the outer sleeve have a front discharge port and a rear discharge port corresponding to the lower discharge port, respectively.

2. The horizontal auger for discharging powder according to claim 1, characterized in that: The length of the lower discharge port = the length of the front discharge port = the length of the rear discharge port.

3. The horizontal auger for discharging powder according to claim 2, characterized in that: The auger rod consists of a horizontal rod and a spiral conveyor blade; the spiral conveyor blade is arranged around the horizontal rod; the width of the front discharge port is equal to the width of the rear discharge port.

4. The horizontal auger for discharging powder according to claim 3, characterized in that: The lower left side of the outer sleeve is provided with a discharge port that is adjacent to the lower discharge port.

5. The horizontal auger for discharging powder according to claim 4, characterized in that: The left end of the spiral conveyor plate should not exceed the left end of the feed outlet.

6. The horizontal auger for discharging powder according to claim 3, characterized in that: The horizontal bar has a left step at the left end and a right step at the right end; both the left and right steps are equipped with bearings; the left end of the outer sleeve is connected to a left end cover; the bearing installed on the left step is connected to the left end cover; the bearing installed on the right step is connected to the lower right wall of the receiving box.

7. The horizontal auger for discharging powder according to claim 6, characterized in that: A driven gear is coaxially fixed to the left end of the horizontal rod; a driving gear is coaxially fixed to the output end of the powder-loading motor; the driving gear meshes with the driven gear.

8. The horizontal auger for discharging powder according to claim 3, characterized in that: The spiral conveyor plate includes several brush clusters; a spiral groove is spirally wound and welded on the outer circumference of the horizontal rod; the spiral groove is a U-shaped thin-walled metal part; the brush clusters are densely distributed along the spiral groove, and the roots are glued to the spiral groove.

9. The horizontal auger for discharging powder according to claim 8, characterized in that: The right end of the horizontal rod is provided with a radial disc that is attached to the inner wall of the right end of the receiving box; several scrapers are distributed around the left end of the radial disc along the radial direction; the left end of one of the scrapers abuts against the rightmost brush cluster.

10. The horizontal auger for discharging powder according to claim 1, characterized in that: There are several discharge ports at the bottom, front, and rear, and the number of each is equal.

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