CN115629527B - Carbon powder centralized supply system and supply method thereof - Google Patents
Carbon powder centralized supply system and supply method thereof Download PDFInfo
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- CN115629527B CN115629527B CN202211326919.0A CN202211326919A CN115629527B CN 115629527 B CN115629527 B CN 115629527B CN 202211326919 A CN202211326919 A CN 202211326919A CN 115629527 B CN115629527 B CN 115629527B
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0865—Arrangements for supplying new developer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a carbon powder centralized supply system, which comprises a carbon powder storage device, a plurality of conveying devices and a plurality of printers, wherein the carbon powder storage device is connected with the plurality of printers; the carbon powder storage device comprises a carbon powder storage tank for storing carbon powder and a vulcanization pump for keeping the carbon powder in the carbon powder storage tank in a flowing state; each printer is connected with the carbon powder storage device through a conveying device, one end of the conveying device is connected with the carbon powder storage tank, and the other end of the conveying device is connected with a powder adding port of the corresponding printer; according to the invention, the carbon powder storage device, the plurality of conveying devices and the plurality of printers are arranged, and each printer is connected with the carbon powder storage device through the conveying device, so that the carbon powder can be continuously and simultaneously supplied to each printer, the centralized supply of the carbon powder is realized, the shutdown operation is not needed, the printing efficiency is ensured, the printer is not needed to be disassembled, and the structure is more reliable.
Description
Technical Field
The invention relates to the technical field of supplementing carbon powder for printers, in particular to a carbon powder centralized supply system.
Background
The existing printer realizes the supply of the carbon powder to the printer by loading the carbon powder in the carbon powder bin of the selenium drum, and the integral structure of the carbon powder bin and the selenium drum has the advantages of flexible use, no site limitation and the like, and is suitable for the printing mode of a single printer with relatively fewer printing tasks.
However, for the use scenario that the print job is more and a plurality of printer jobs are used in batches, the independent carbon powder supply mode needs to be performed manually at high frequency in a stop state to supplement carbon powder to the carbon powder bin, so that the printing efficiency is affected, and meanwhile, the selenium drum and the printer are easily damaged when being disassembled.
Disclosure of Invention
The invention aims to overcome the defects and provide a carbon powder centralized supply system.
In order to achieve the above object, the present invention is specifically as follows:
a carbon powder centralized supply system comprises a carbon powder storage device, a plurality of conveying devices and a plurality of printers;
the carbon powder storage device comprises a carbon powder storage tank for storing carbon powder and a vulcanization pump for keeping the carbon powder in the carbon powder storage tank in a flowing state;
each printer is connected with the carbon powder storage device through a conveying device, one end of the conveying device is connected with the carbon powder storage tank, and the other end of the conveying device is connected with a powder adding port of the corresponding printer.
The invention further discloses a conveying device, which comprises a conveying pipe and a carbon powder conveying chain, wherein the two ends of the conveying pipe are respectively connected with a chain wheel seat, each chain wheel seat is internally and rotatably connected with a driving chain wheel, the peripheral wall of the driving chain wheel is circumferentially and uniformly provided with a chain tooth part and a suction and discharge driving assembly, the chain tooth part and the suction and discharge driving assembly are sequentially and alternately arranged, the suction and discharge driving assembly is movably spliced on the driving chain wheel in the radial direction, each chain wheel seat is provided with a conveying motor, the output end of which is connected with the driving chain wheel, each chain wheel seat is also provided with a cam, the cam extends into a central hole of the driving chain wheel in the axial direction of the driving chain wheel, the bottom of the cam is convexly provided with an arc driving part for enabling the suction and discharge driving assembly to extend in the radial direction, and the opening is communicated with a powder adding port of a carbon powder storage tank or a printer;
the carbon powder conveying chain comprises a plurality of power transmission units and a plurality of powder sucking units, wherein the power transmission units and the powder sucking units are sequentially and alternately connected in a spherical mode and are connected end to form the carbon powder conveying chain;
the carbon powder conveying device is characterized in that guide channels for the carbon powder conveying chains to circularly rotate are arranged in the conveying pipe and the two chain wheel seats, two ends of the carbon powder conveying chains are correspondingly connected to the two driving chain wheels in a winding mode, when the carbon powder conveying chains are connected with the driving chain wheels in a winding mode, a power transmission unit of the carbon powder conveying chains is in transmission fit with the corresponding chain tooth parts of the driving chain wheels, a powder suction unit of the carbon powder conveying chains is matched with the corresponding suction driving assembly, and the powder suction unit can extend out of the chain wheel seats when corresponding to the openings of the chain wheel seats.
The invention further discloses a power transmission unit, which comprises a transmission disc body, wherein four permanent magnets which are arranged at equal intervals are embedded in the circumferential wall of the transmission disc body, first connecting shafts are arranged on two sides of the transmission disc body in a protruding mode along the axial direction, and a ball head is arranged at the free end of each first connecting shaft and hinged with the spherical surface of an adjacent powder suction unit; the inner peripheral wall of the guide channel in the conveying pipe is coated with a magnetic coating with the same magnetism as that of the permanent magnet.
The invention further discloses a powder sucking device, which comprises a powder sucking unit and a powder sucking device, wherein each powder sucking unit comprises a first powder sucking seat, a second powder sucking seat and a powder sucking piston; the second powder suction seat is provided with a powder suction groove, is fixedly connected to the bottom of the first powder suction seat, and forms a powder suction cavity with the first powder suction seat through the powder suction groove; the powder sucking piston is movably arranged in the powder sucking cavity, the upper end profile of the powder sucking piston penetrates through the first powder sucking seat and then extends outwards to be in contact fit with the corresponding suction driving assembly, a first spring is connected between the powder sucking piston and the bottom of the powder sucking groove, a suction pipe communicated with the powder sucking cavity is arranged at the bottom of the second powder sucking seat, a sealing ring is embedded at the joint of the suction pipe and the powder sucking cavity, a sealing ball and a second spring are arranged in the suction pipe, the sealing ball abuts against the sealing ring under the action of the second spring, part of the sealing ball protrudes into the powder sucking cavity, and the first spring abuts against the spherical surface of the sealing ball; the outer side wall of the first powder suction seat is symmetrically and convexly provided with two second connecting shafts, the free ends of the second connecting shafts are provided with ball sockets, and the ball sockets are hinged with the spherical surfaces of the adjacent ball heads.
The invention further discloses a powder suction piston, wherein the outer end part of the powder suction piston is movably embedded with a first ball wheel.
According to the invention, a limiting groove for limiting the suction pipe is formed in the inner wall of the guide channel, and a guide groove for guiding the first ball wheel is formed in the inner wall of the guide channel.
The invention further provides that the stiffness of the first spring is greater than the stiffness of the second spring.
The invention further discloses a suction and exhaust driving assembly, which comprises a push rod, a third spring and a second ball wheel, wherein the push rod is radially arranged on a transmission chain wheel in a penetrating manner, the third spring is sleeved on the push rod, two ends of the third spring are respectively abutted against the inner wall of the transmission chain wheel and the inner end of the push rod, and the second ball wheel is movably embedded on the inner end of the push rod.
The invention further provides a clamping groove with a Y-shaped structure on the sprocket part, and part of the power transmission unit is movably clamped in the clamping groove so as to realize power transmission between the carbon powder conveying chain and the transmission sprocket.
The beneficial effects of the invention are as follows: according to the invention, the carbon powder storage device, the plurality of conveying devices and the plurality of printers are arranged, and each printer is connected with the carbon powder storage device through the conveying device, so that the carbon powder can be continuously and simultaneously supplied to each printer, the centralized supply of the carbon powder is realized, the shutdown operation is not needed, the printing efficiency is ensured, the printer is not needed to be disassembled, and the structure is more reliable.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the conveying device of the present invention;
FIG. 3 is a schematic view of the structure of the conveying device of the present invention after hiding the conveying pipe;
FIG. 4 is an exploded view of a portion of the structure of the delivery device of the present invention;
FIG. 5 is a schematic cross-sectional view of a portion of the structure of the delivery device of the present invention;
FIG. 6 is a schematic view of the power transmission unit of the present invention;
fig. 7 is a schematic structural view of the powder suction unit of the present invention;
FIG. 8 is a schematic cross-sectional view of a powder suction unit of the present invention;
fig. 9 is a schematic cross-sectional view of a suction drive assembly of the present invention;
reference numerals illustrate: 100. a carbon powder storage device; 11. a carbon powder storage tank; 12. a vulcanization pump; 200. a conveying device; 21. a delivery tube; 22. a carbon powder conveying chain; 221. a power transmission unit; 2211. a drive disk body; 2212. a permanent magnet; 2213. a first connecting shaft; 2214. ball head; 222. a powder suction unit; 2221. a first powder suction seat; 2222. a second powder suction seat; 2223. a powder suction piston; 2224. a first spring; 2225. a suction pipe; 2226. a sealing ball; 2227. a second spring; 2228. a second connecting shaft; 2229. a ball socket; 23. chain wheel seat; 24. a drive sprocket; 241. a sprocket section; 25. a suction and discharge driving assembly; 251. a push rod; 252. a third spring; 253. a second ball wheel; 26. a conveying motor; 27. a cam; 271. a circular arc driving part; 300. a printer.
Detailed Description
The invention will now be described in further detail with reference to the drawings and the specific embodiments, without limiting the scope of the invention.
As shown in fig. 1 to 9, a toner centralized supply system according to the present embodiment includes a toner storage device 100, a plurality of conveying devices 200, and a plurality of printers 300; the toner storage device 100 comprises a toner storage tank 11 for storing toner and a vulcanizing pump 12 for keeping the toner in the toner storage tank 11 in a flowing state; each printer 300 is connected with the carbon powder storage device 100 through a conveying device 200, one end of the conveying device 200 is connected with the carbon powder storage tank 11, and the other end of the conveying device 200 is connected with a powder adding port of the corresponding printer 300. According to the embodiment, the fluidization pump is arranged, so that the carbon powder in the carbon powder storage tank 11 is kept in a flowing state, the conveying device 200 directly conveys the carbon powder in the carbon powder storage tank 11 into the powder adding port of the printer 300, and therefore the carbon powder is supplemented for the printer 300, the carbon powder storage device 100, the conveying devices 200 and the printers 300 are arranged, each printer 300 is connected with the carbon powder storage device 100 through the conveying device 200, and therefore the carbon powder can be continuously supplemented for each printer 300 at the same time, the centralized supply of the carbon powder is realized, and as shown in fig. 1, the carbon powder supplementing operation is carried out for four printers 300 through four conveying devices 200 at the same time, the shutdown operation is not needed, the printing efficiency is ensured, the printers 300 are not required to be disassembled, and the structure is more reliable.
In this embodiment, the conveying device 200 includes a conveying pipe 21 and a carbon powder conveying chain 22, two ends of the conveying pipe 21 are connected with sprocket seats 23, each sprocket seat 23 is rotatably connected with a driving sprocket 24, a sprocket portion 241 and a suction and discharge driving assembly 25 are uniformly distributed on the peripheral wall of the driving sprocket 24 along the circumferential direction, the sprocket portion 241 and the suction and discharge driving assembly 25 are alternately arranged in turn, the suction and discharge driving assembly 25 is movably inserted on the driving sprocket 24 along the radial direction, a conveying motor 26 with an output end connected with the driving sprocket 24 is mounted on each sprocket seat 23, a cam 27 is further mounted on each sprocket seat 23, the cam 27 extends into a central hole of the driving sprocket 24 along the axial direction of the driving sprocket 24, an arc driving portion 271 for enabling the suction and discharge driving assembly 25 to extend along the radial direction is convexly arranged at the bottom of the cam 27, and an opening is formed at the bottom of the sprocket seat 23 and is communicated with a powder charging port of the hopper 11 or the printer 300;
the carbon powder conveying chain 22 comprises a plurality of power transmission units 221 and a plurality of powder sucking units 222, wherein the power transmission units 221 and the powder sucking units 222 are sequentially and alternately connected in a spherical mode and are connected end to form the carbon powder conveying chain 22;
the conveying pipe 21 and the two sprocket seats 23 are internally provided with guide channels for the cyclic rotation of the carbon powder conveying chain 22, two ends of the carbon powder conveying chain 22 are correspondingly wound on the two driving sprockets 24, when the carbon powder conveying chain 22 is wound on the driving sprockets 24, a power transmission unit 221 of the carbon powder conveying chain 22 is in transmission fit with a sprocket part 241 of the corresponding driving sprocket 24, a powder suction unit 222 of the carbon powder conveying chain 22 is matched with the corresponding suction and discharge driving assembly 25, and the powder suction unit 222 can extend out of the sprocket seats 23 when corresponding to an opening of the sprocket seat 23. Correspondingly, the toner storage device 100 is located at the toner supplying side, and the printer 300 is located at the toner receiving side.
The working mode of the embodiment is as follows: when the carbon powder conveying chain is in operation, the conveying motor 26 drives the driving sprocket 24 to rotate, and part of the power transmission units 221 of the carbon powder conveying chain 22 are respectively in transmission fit with the sprocket teeth 241 of the driving sprocket 24, so that the driving sprocket 24 drives the carbon powder conveying chain 22 to circularly rotate along the guide channel;
when the powder sucking unit 222 moves to correspond to the opening position of the chain wheel seat 23 positioned at the powder supply side, the powder sucking unit 222 can extend out of the chain wheel seat 23 and extend into the carbon powder storage tank, the corresponding suction driving assembly 25 is contacted with the arc driving part 271 of the cam 27, and the arc driving part 271 of the cam 27 enables the suction driving assembly 25 to extend out along the radial direction along with the rotation of the carbon powder conveying chain 22 driven by the driving chain wheel 24, and the suction driving assembly 25 drives the corresponding powder sucking unit 222 to work so as to suck the carbon powder in the flowing state in the carbon powder storage tank;
then, the toner conveying chain 22 drives the toner sucking unit 222 sucked with the toner to move into the sprocket seat 23 on the powder receiving side along the track of the guide channel until the toner sucking unit 222 sucked with the toner rotates to correspond to the opening position of the sprocket seat 23 on the powder receiving side, the corresponding suction and discharge driving assembly 25 is in contact fit with the circular arc driving part 271 of the cam 27 on the powder receiving side, and the corresponding toner sucking unit 222 is driven to discharge the toner into the toner feeding port of the corresponding printer 300 through the opening, so that the toner sucking and discharging processes are repeated along with the continuous cyclic rotation of the toner conveying chain 22, and the continuous supply of the toner into each printer 300 is realized.
In this embodiment, the plurality of power transmission units 221 and the plurality of powder suction units 222 are arranged to form the carbon powder conveying chain 22, so that the carbon powder conveying chain is driven by the transmission sprocket 24 to circularly rotate along the guide channel, and the carbon powder is continuously added into the printer 300 through the cooperation of the suction and discharge driving assembly 25 and the arc driving part 271 of the cam 27, so that the shutdown operation is not needed, and the printing efficiency is ensured.
Based on the above embodiment, further, each power transmission unit 221 includes a transmission disc body 2211, four permanent magnets 2212 disposed at equal intervals are embedded in the circumferential wall of the transmission disc body 2211, two sides of the transmission disc body 2211 are respectively provided with a first connecting shaft 2213 in a protruding manner along the axial direction, a free end portion of the first connecting shaft 2213 is provided with a ball head 2214, and the ball head 2214 is in spherical hinge connection with an adjacent powder suction unit 222; the inner peripheral wall of the guide passage in the delivery pipe 21 is coated with a magnetic coating having the same magnetism as the permanent magnet 2212.
In practical use, the driving disc 2211 can correspondingly drive and cooperate with the sprocket portion 241 of the driving sprocket 24 to realize power transmission between the carbon powder conveying chain 22 and the driving sprocket 24, so that the driving sprocket 24 can drive the carbon powder conveying chain 22 to rotate, and meanwhile, when the power transmission unit 221 enters the guiding channel of the conveying pipe 21, the permanent magnet 2212 on the driving disc 2211 and the magnetic coating on the inner wall of the guiding channel generate magnetic field acting force, so that the driving disc 2211 is suspended in the guiding channel, thereby reducing friction resistance of the carbon powder conveying chain 22 in the moving process of the guiding channel, and enabling the carbon powder conveying chain 22 to rotate circularly more smoothly.
In this embodiment, each of the powder sucking units 222 includes a first powder sucking seat 2221, a second powder sucking seat 2222 and a powder sucking piston 2223; the second powder suction seat 2222 has a powder suction groove, the second powder suction seat 2222 is fixedly connected to the bottom of the first powder suction seat 2221, and a powder suction cavity is formed between the second powder suction seat 2222 and the first powder suction seat 2221 through the powder suction groove; the powder suction piston 2223 is movably arranged in the powder suction cavity, the upper end profile of the powder suction piston 2223 penetrates through the first powder suction seat 2221 and then extends outwards to be in contact fit with the corresponding suction and discharge driving assembly 25, a first spring 2224 is connected between the powder suction piston 2223 and the bottom of the powder suction groove, a suction pipe 2225 communicated with the powder suction cavity is arranged at the bottom of the second powder suction seat 2222, a sealing ring is embedded at the joint of the suction pipe 2225 and the powder suction cavity, a sealing ball 2226 and a second spring 2227 are arranged in the suction pipe 2225, the sealing ball 2226 abuts against the sealing ring under the action of the second spring 2227, and part of the sealing ball protrudes into the powder suction cavity, and the first spring 2224 abuts against the spherical surface of the sealing ball 2226; two second connecting shafts 2228 are symmetrically and convexly arranged on the outer side wall of the first powder suction seat 2221, ball sockets 2229 are arranged at the free ends of the second connecting shafts 2228, and the ball sockets 2229 are in spherical hinge joint with the adjacent ball heads 2214. In this embodiment, the outer end portion of the powder suction piston 2223 is movably embedded with a first ball wheel, so that friction when the powder suction piston 2223 contacts with the suction and exhaust driving assembly 25 is changed into rolling friction, and friction force is smaller.
Specifically, when the suction driving assembly 25 contacts with the arc driving part 271 of the cam 27, the arc driving part 271 of the cam 27 causes the suction driving assembly 25 to press the suction piston 2223 to extend into the suction cavity as the transmission sprocket 24 rotates, the suction piston 2223 compresses the first spring 2224, the first spring 2224 compresses the second spring 2227 through the sealing ball 2226, and the suction tube 2225 is communicated with the suction cavity;
at this time, the powder suction unit 222 located at the powder supply side discharges the air in the powder suction cavity, then along with the rotation of the driving sprocket 24, the arc driving part 271 of the cam 27 gradually releases the extrusion of the suction and discharge driving assembly 25, the suction and discharge driving assembly 25 releases the extrusion of the powder suction piston 2223, the first spring 2224 resets and drives the powder suction piston 2223 to stretch out, so that the effective volume of the powder suction cavity is increased, the carbon powder in the carbon powder storage tank is sucked into the powder suction cavity through the suction pipe 2225, in order to ensure that the suction pipe 2225 of each powder suction unit 222 can fully suck the carbon powder, the carbon powder capacity in the carbon powder storage tank is controlled to be in a full load state, then the second spring 2227 resets and drives the sealing ball 2226 to be in sealing abutment with the sealing ring, so that the suction pipe 2225 is disconnected with the powder suction cavity, and then along with the movement of the carbon powder conveying chain 22 along the guiding channel into the sprocket seat 23 at the powder receiving side for powder discharge operation;
the powder suction unit 222 at the powder receiving side discharges the carbon powder in the powder suction cavity into the powder feeding port of the printer 300 through the suction pipe 2225, so as to prevent the discharged carbon powder from being sucked back into the powder suction cavity again, the carbon powder storage in the carbon powder bin of the printer 300 is controlled to be in a half-volume state, then the powder suction piston 2223 is reset under the action of the first spring 2224, the sealing ball 2226 is reset under the action of the second spring 2227, the communication between the suction pipe 2225 and the powder suction cavity is disconnected, and then the carbon powder is moved into the chain wheel seat 23 at the powder feeding side along the track of the guide channel along with the carbon powder conveying chain 22 to perform the powder suction operation again.
In this embodiment, the powder suction cavity, the powder suction piston 2223, the first spring 2224, the second spring 2227, the sealing ball 2226, the sealing ring and the suction tube 2225 are arranged on the powder suction unit 222, so that the suction of the carbon powder can be realized under the driving of the suction and discharge driving assembly 25, and the discharge of the carbon powder can also be realized, so that the carbon powder is supplemented to the printer 300, and meanwhile, in the carbon powder transmission process, the carbon powder is sucked into the powder suction cavity, compared with a mode of adopting a pipeline type direct conveying, the damage to the surface shape and the particle shape of the carbon powder caused by the contact friction between the carbon powder and the wall surface of the conveying pipe 21 can be avoided, the quality of the carbon powder is guaranteed, and the printing effect of the printer 300 is guaranteed.
Based on the above embodiment, further, a limiting groove for limiting the straw 2225 is provided on the inner wall of the guiding channel, and a guiding groove for guiding the first ball wheel is provided on the inner wall of the guiding channel. In this embodiment, the limiting groove is formed in the inner wall of the guide channel, so that the powder sucking unit 222 moves in the guide channel, the suction pipe 2225 of the powder sucking unit 222 is clamped into the limiting groove, and the first ball wheel of the powder sucking unit 222 is clamped into the guide groove, so that the powder sucking unit 222 is limited, the state of the powder sucking unit 222 moving along the guide channel is ensured, and the reliable conveying of the carbon powder is ensured.
Further, based on the above embodiment, the stiffness of the first spring 2224 is greater than the stiffness of the second spring 2227. In this embodiment, the stiffness of the first spring 2224 is greater than the stiffness of the second spring 2227, so that when the suction and discharge driving assembly 25 extrudes the powder suction piston 2223, the second spring 2227 is compressed first, and when the first spring 2224 is reset first, so that when the effective volume of the powder suction cavity is increased, the suction tube 2225 and the powder suction cavity are still in a communication state, so as to ensure that the carbon powder is fully sucked into the powder suction cavity.
Based on the above embodiment, further, each suction and exhaust driving assembly 25 includes a push rod 251, a third spring 252 and a second ball wheel 253, where the push rod 251 is radially penetrating through the driving sprocket 24, the third spring 252 is sleeved on the push rod 251, two ends of the third spring 252 are respectively abutted against the inner wall of the driving sprocket 24 and the inner end of the push rod 251, and the second ball wheel 253 is movably embedded on the inner end of the push rod 251. In the present embodiment, the second ball wheel 253 is in contact with the arc driving part 271 of the cam 27, so that the friction force is small, the contact and the matching between the arc driving part 271 and the push rod 251 are facilitated, and the reset of the push rod 251 is facilitated by the third spring 252. When the second ball wheel 253 gradually contacts with the arc driving part 271 of the cam 27, the arc driving part 271 extrudes the push rod 251 to extend outwards in the radial direction through the second ball wheel 253, so that the powder suction piston 2223 is extruded, the third spring 252 is compressed, after the second ball wheel 253 passes through the lowest point position of the arc driving part 271, the arc driving part 271 gradually releases the extrusion of the push rod 251, and the push rod 251 is reset under the elastic force of the third spring 252, so that the powder suction piston 2223 is reset and extends under the action of the first spring 2224, and the carbon powder is sucked into the powder suction cavity.
Based on the above embodiment, further, the sprocket portion 241 has a Y-shaped clamping groove, and a portion of the power transmission unit 221 is movably clamped in the clamping groove, so as to realize power transmission between the carbon powder conveying chain 22 and the driving sprocket 24. Specifically, a portion of the driving disc 2211 is movably clamped into the clamping groove, so that the driving sprocket 24 drives the carbon powder conveying chain 22 to rotate.
The foregoing description is only one preferred embodiment of the invention, and therefore all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the invention are intended to be embraced therein.
Claims (7)
1. A carbon powder centralized supply system, which is characterized by comprising a carbon powder storage device (100), a plurality of conveying devices (200) and a plurality of printers (300);
the carbon powder storage device (100) comprises a carbon powder storage tank (11) for storing carbon powder and a vulcanization pump (12) for keeping the carbon powder in the carbon powder storage tank (11) in a flowing state;
each printer (300) is connected with the carbon powder storage device (100) through a conveying device (200), one end of the conveying device (200) is connected with the carbon powder storage tank (11), and the other end of the conveying device (200) is connected with a powder adding port of the corresponding printer (300);
the conveying device (200) comprises a conveying pipe (21) and a carbon powder conveying chain (22), wherein the two ends of the conveying pipe (21) are respectively connected with a sprocket seat (23), each sprocket seat (23) is internally and rotatably connected with a transmission sprocket (24), the peripheral wall of the transmission sprocket (24) is uniformly provided with sprocket parts (241) and suction and discharge driving assemblies (25) along the circumferential direction, the sprocket parts (241) and the suction and discharge driving assemblies (25) are alternately arranged in sequence, the suction and discharge driving assemblies (25) are movably spliced on the transmission sprocket (24) along the radial direction, each sprocket seat (23) is provided with a conveying motor (26) with an output end connected with the transmission sprocket (24), each sprocket seat (23) is also provided with a cam (27), the cam (27) extends into a central hole of the transmission sprocket (24) along the axial direction of the transmission sprocket (24), the bottom of the cam (27) is convexly provided with a driving part (271) for enabling the suction and discharge driving assemblies (25) to extend along the radial direction, the bottom of the sprocket seat (23) is provided with an opening or a printing groove (300) and a printing groove (11);
the carbon powder conveying chain (22) comprises a plurality of power transmission units (221) and a plurality of powder sucking units (222), wherein the power transmission units (221) and the powder sucking units (222) are sequentially and alternately connected in a spherical mode and are connected end to form the carbon powder conveying chain (22);
guide channels for circularly rotating the carbon powder conveying chains (22) are arranged in the conveying pipe (21) and the two chain wheel seats (23), two ends of the carbon powder conveying chains (22) are correspondingly wound on the two driving chain wheels (24), when the carbon powder conveying chains (22) are wound with the driving chain wheels (24), a power transmission unit (221) of the carbon powder conveying chains (22) is in transmission fit with a sprocket part (241) of the corresponding driving chain wheel (24), a powder suction unit (222) of the carbon powder conveying chains (22) is matched with the corresponding suction and discharge driving assembly (25), and the powder suction unit (222) can extend out of the chain wheel seats (23) when corresponding to an opening of the chain wheel seats (23);
each power transmission unit (221) comprises a transmission disc body (2211), four permanent magnets (2212) which are arranged at equal intervals are embedded in the circumferential direction of the circumferential wall of each transmission disc body (2211), first connecting shafts (2213) are arranged on two sides of each transmission disc body (2211) in a protruding mode along the axial direction, a ball head (2214) is arranged at the free end portion of each first connecting shaft (2213), and each ball head (2214) is in spherical hinge joint with the adjacent powder suction unit (222); the inner peripheral wall of the guide channel in the conveying pipe (21) is coated with a magnetic coating with the same magnetism as the permanent magnet (2212);
each powder suction unit (222) comprises a first powder suction seat (2221), a second powder suction seat (2222) and a powder suction piston (2223); the second powder suction seat (2222) is provided with a powder suction groove, the second powder suction seat (2222) is fixedly connected to the bottom of the first powder suction seat (2221), and a powder suction cavity is formed between the second powder suction seat and the first powder suction seat (2221) through the powder suction groove; the powder suction piston (2223) is movably arranged in the powder suction cavity, the upper end profile of the powder suction piston (2223) penetrates through the first powder suction seat (2221) and outwards extends to be in contact fit with the corresponding suction and discharge driving assembly (25), a first spring (2224) is connected between the powder suction piston (2223) and the bottom of the powder suction groove, a suction pipe (2225) communicated with the powder suction cavity is arranged at the bottom of the second powder suction seat (2222), a sealing ring is embedded at the joint of the suction pipe (2225) and the powder suction cavity, a sealing ball (2226) and a second spring (2227) are arranged in the suction pipe (2225), the sealing ball (2226) is abutted against the sealing ring under the action of the second spring (2227), part of the sealing ball is protruded into the powder suction cavity, and the first spring (2224) is abutted against the spherical surface of the sealing ball (2226); two second connecting shafts (2228) are symmetrically and convexly arranged on the outer side wall of the first powder suction seat (2221), ball sockets (2229) are arranged at the free ends of the second connecting shafts (2228), and the ball sockets (2229) are in spherical hinge joint with adjacent ball heads (2214).
2. A carbon powder centralized supply system as claimed in claim 1, wherein the outer end of the suction piston (2223) is movably embedded with a first ball wheel.
3. A carbon powder centralized supply system according to claim 2, wherein the inner wall of the guide channel is provided with a limit groove for limiting the suction pipe (2225), and the inner wall of the guide channel is provided with a guide groove for guiding the first ball wheel.
4. A toner focus supply system as claimed in claim 1, wherein the stiffness of the first spring (2224) is greater than the stiffness of the second spring (2227).
5. The carbon powder centralized supply system according to claim 1, wherein each suction and discharge driving assembly (25) comprises a push rod (251), a third spring (252) and a second ball wheel (253), the push rods (251) are radially arranged on the transmission chain wheels (24) in a penetrating mode, the third springs (252) are sleeved on the push rods (251), two ends of the third springs (252) are respectively abutted against the inner walls of the transmission chain wheels (24) and the inner ends of the push rods (251), and the second ball wheels (253) are movably embedded on the inner ends of the push rods (251).
6. A carbon powder centralized supply system as claimed in claim 1, wherein the sprocket portion (241) has a Y-shaped clamping groove, and a part of the power transmission unit (221) is movably clamped in the clamping groove to realize power transmission between the carbon powder conveying chain (22) and the transmission sprocket (24).
7. A supply method of a toner concentrated supply system as claimed in claim 1, comprising the steps of:
s100: the conveying motor (26) drives the driving chain wheel (24) to rotate, partial power transmission units (221) of the carbon powder conveying chain (22) are respectively in transmission fit with the sprocket teeth (241) of the driving chain wheel (24), and the driving chain wheel (24) drives the carbon powder conveying chain (22) to circularly rotate along the guide channel;
s200: when the powder sucking unit (222) moves to correspond to the opening position of the sprocket seat (23) positioned at the powder supply side, the powder sucking unit (222) can extend out of the sprocket seat (23) and extend into the carbon powder storage tank, the corresponding suction and discharge driving assembly (25) is contacted with the arc driving part (271) of the cam (27), the arc driving part (271) of the cam (27) further drives the carbon powder conveying chain (22) to rotate along with the transmission sprocket (24), the suction and discharge driving assembly (25) extends out along the radial direction, and the suction and discharge driving assembly (25) drives the corresponding powder sucking unit (222) to work so as to suck the carbon powder in the flowing state in the carbon powder storage tank;
s300: the carbon powder conveying chain (22) drives the carbon powder sucking unit (222) sucked with carbon powder to move into the sprocket seat (23) positioned on the powder receiving side along the track of the guide channel until the carbon powder sucking unit (222) sucked with carbon powder rotates to correspond to the opening position of the sprocket seat (23) positioned on the powder receiving side, and the corresponding suction driving assembly (25) is in contact fit with the arc driving part (271) of the cam (27) on the powder receiving side to drive the corresponding carbon powder sucking unit (222) to discharge the carbon powder into the powder adding port of the corresponding printer (300) through the opening;
s400: with the continuous cyclic rotation of the toner conveying chain (22), the steps S200 and S300 are repeated, and the toner is continuously supplied into each printer (300).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211326919.0A CN115629527B (en) | 2022-10-27 | 2022-10-27 | Carbon powder centralized supply system and supply method thereof |
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| CN202211326919.0A CN115629527B (en) | 2022-10-27 | 2022-10-27 | Carbon powder centralized supply system and supply method thereof |
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| CN115629527B true CN115629527B (en) | 2023-06-27 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3636905B2 (en) * | 1998-11-13 | 2005-04-06 | 株式会社リコー | Toner supply device and toner supply container used therefor |
| JP2003057937A (en) * | 2001-08-10 | 2003-02-28 | Konica Corp | Image forming device |
| JP4255304B2 (en) * | 2003-04-09 | 2009-04-15 | 株式会社リコー | Powder continuous supply method, continuous filling method and powder continuous filling system |
| JP4730021B2 (en) * | 2005-08-26 | 2011-07-20 | 富士ゼロックス株式会社 | Powder conveying apparatus and image forming apparatus using the same |
| JP4945980B2 (en) * | 2005-09-21 | 2012-06-06 | 富士ゼロックス株式会社 | Toner supply device and image forming apparatus |
| JP4730902B2 (en) * | 2005-10-04 | 2011-07-20 | 株式会社リコー | Powder supply apparatus and image forming apparatus |
| US7869746B2 (en) * | 2006-03-10 | 2011-01-11 | Ricoh Company, Ltd. | Image forming device, powder supply device, and powder storage unit including a gas supplying unit |
| CN102520601A (en) * | 2011-12-19 | 2012-06-27 | 珠海天威飞马打印耗材有限公司 | Carbon powder supplying and discharging device and system thereof |
| CN107065477A (en) * | 2017-02-14 | 2017-08-18 | 珠海泛能打印机耗材有限公司 | It is a kind of continuous for powder toner cartridge |
| CN215067728U (en) * | 2021-04-28 | 2021-12-07 | 中山沃蒙斯打印耗材有限公司 | Powder storehouse structure and printer powder section of thick bamboo stir powder storehouse |
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