CN109204988B - Automatic bag opening device for raw material discharging - Google Patents
Automatic bag opening device for raw material discharging Download PDFInfo
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- CN109204988B CN109204988B CN201811186174.6A CN201811186174A CN109204988B CN 109204988 B CN109204988 B CN 109204988B CN 201811186174 A CN201811186174 A CN 201811186174A CN 109204988 B CN109204988 B CN 109204988B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
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- Mechanical Engineering (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
Abstract
The invention discloses an automatic bag opening device for raw material blanking, and belongs to the technical field of bag opening devices. The technical proposal is as follows: an automatic bag-opening device for raw material discharging comprises a feeding mechanism, a bag-opening assembly and a suction component which are sequentially arranged; the feeding mechanism comprises a conveying part and a feeding mechanism box body for accommodating the conveying part; the outer sides of the bag disassembly component and the suction component are provided with a main box body; the suction component comprises a suction channel arranged in the main box body and a suction motor arranged in the suction channel. The beneficial effects of the invention are as follows: the beneficial effects of the invention are as follows: the automatic bag opening device for raw material blanking provided by the invention is compact, small in occupied area, small in environmental pollution, continuous in operation, clean in material dumping, energy-saving and high in automation degree.
Description
Technical Field
The invention relates to the technical field of bag disassembly devices, in particular to an automatic bag disassembly device for raw material blanking.
Background
Most of the raw materials are transported or stored in a bag mode, and bag opening operation is needed when the raw materials enter a production line for discharging and are stored in a container. At present, the bag opening operation of the bagged raw materials generally adopts manual operation, a blade is used for cutting the packaging bag, the raw materials are directly poured into a discharging barrel or a container, the labor intensity is high, and a large amount of dust is easy to raise, so that the body health of operators is seriously affected. The existing bag opening machine in industry mainly comprises a semi-automatic bag opening machine and a full-automatic bag opening machine, wherein the semi-automatic bag opening machine is controlled by personnel to take part in the bag opening process, and the personnel are required to cooperate with each other to finish the operation, so that the problems of high labor intensity, low efficiency, easiness in causing human body injury and environmental pollution and the like still exist; the full-automatic bag opening machine has lower adaptability to different bag opening environments, and the bag opening machines can have no relative motion of the packaging bag and the cutter in the working process, so that the problems that the materials in the packaging bag cannot be completely poured out or the materials stay in a mechanism and cannot be completely collected and the like cannot be solved, the working efficiency of the bag opening machine is affected, and the working efficiency of subsequent related operations is affected.
How to solve the technical problems is the subject of the present invention.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the automatic bag opening device for raw material discharging, which is compact, small in occupied area, environment-friendly, continuous in operation, clean in material pouring, low in energy consumption and high in automation degree.
In order to achieve the above object, the present invention provides: an automatic bag-opening device for raw material discharging comprises a feeding mechanism, a bag-opening assembly and a suction component which are sequentially arranged;
the feeding mechanism comprises a conveying component and a feeding mechanism box body which is used for accommodating the conveying component, so that the device can be isolated from the environment, and the environmental pollution is reduced;
the outer sides of the bag disassembly component and the suction component are provided with a main box body;
the main box body comprises a bag disassembly barrel arranged in the middle of the main box body, a bag disassembly assembly box body arranged on one side of the bag disassembly barrel, a rotating channel arranged above the bag disassembly assembly box body and communicated with the upper end part of the bag disassembly barrel, and a suction channel arranged on the other side of the bag disassembly barrel and communicated with the outside; the lower end of the bag-dismantling cylinder is communicated with the blanking cylinder. The bag opening operation is mainly completed in the bag opening cylinder, and the division of each section in the main box body ensures that the operation among mechanisms or components is free from interference, the device is compact, and the occupied area is reduced; after the bag opening operation is completed, the materials directly enter the blanking barrel, and the operation efficiency is improved.
The bag opening assembly comprises a bag holding part arranged in the rotating channel, a lifting guide rod connected to the lower end part of the bag holding part, a rotating mechanism for driving the bag holding part to rotate, a lifting mechanism for driving the bag holding part to lift and a bag breaking assembly arranged below the bag holding part; the rotating mechanism and the lifting mechanism are arranged in the bag-dismantling assembly box body, and the lower end part of the lifting guide rod penetrates through a second through hole formed in the top wall of the bag-dismantling assembly box body and is sequentially connected with the rotating mechanism and the lifting mechanism;
the bag holding part comprises a bag holding arm and two bag holding mechanisms respectively arranged at two ends of the bag holding arm; the bag holding arm comprises a bag holding arm body, bag holding mechanism boxes respectively arranged at two ends of the bag holding arm body, and a V-shaped supporting piece arranged at the middle part below the bag holding arm body; the center of the lower end surface of the V-shaped supporting piece is connected with the lifting guide rod; each bag holding mechanism box is internally provided with a bag holding mechanism, and the lower end surface of each bag holding mechanism box is provided with a plurality of claw grooves matched with the bag holding mechanisms;
the lifting mechanism comprises a lifting connecting piece hinged at the lower end of the lifting guide rod, a lifting push rod with one end part in sliding fit with the side surface of the lifting connecting piece, and a lifting cam in sliding fit with the other end part of the lifting push rod; the middle part of the lifting push rod is arranged on a second rotating shaft in the bag-dismantling assembly box body; the shaft of the lifting cam is driven by the driving mechanism of the lifting mechanism;
the bag breaking assembly comprises a bag breaking component arranged in the bag opening cylinder and a shaking component arranged in the bag opening assembly box body and used for driving the bag breaking component; the bag breaking component penetrates through a first through hole arranged between the bag opening component box body and the bag opening cylinder and is connected to the shaking component;
the sucking-off component comprises a sucking-off channel arranged in the main box body and a sucking-off motor arranged in the sucking-off channel.
The bag holding mechanism comprises a supporting plate correspondingly fixed on the inner wall of the bag holding mechanism box, two bag holding claws correspondingly hinged to two ends of each supporting plate respectively, and a clamping mechanism for driving each bag holding claw; the bag holding claw is matched with the claw groove;
the clamping mechanism comprises two pairs of lifting bearing seats correspondingly and slidingly arranged on the inner side wall of the supporting plate, two worms respectively matched with each pair of lifting bearing seats, worm wheels positioned between the two worms and meshed with the two worms, threaded sleeves respectively arranged at two ends of each worm, threaded rods in threaded connection with each threaded sleeve, and connecting rods hinged at the ends of the two threaded rods at the same side; the connecting rod is positioned between the two bag holding claws, and two ends of the connecting rod are respectively and movably connected with the two bag holding claws which are arranged oppositely; the shaft of the worm wheel is coaxial with the output shaft of the driving motor of the clamping mechanism. The reversing switch and the travel switch are arranged in a loop of the driving motor of the clamping mechanism, and are of the prior art and are not described in detail herein.
The bag disassembly device is characterized in that the rotating mechanism comprises a cylindrical cam with a rotating shaft fixed in the bag disassembly component box body and a poking piece matched with the cylindrical cam; the lifting guide rod is arranged in a sliding manner through the axis of the cylindrical cam;
the cylindrical cam comprises a cylindrical body, two limiting plates respectively arranged at two ends of the cylindrical body, first grooves correspondingly arranged on the cylindrical surface of the cylindrical body and arranged in a crossing manner, limiting grooves correspondingly arranged at two radial ends of each limiting plate, two cylindrical cam shaft sleeves correspondingly arranged at the centers of the end faces of the two limiting plates, and a central hole penetrating through the cylindrical cam, wherein the end part of each first groove is respectively communicated with each corresponding limiting groove; the cylindrical cam shaft sleeve is fixed in the bag-dismantling assembly box body, and the lifting guide rod is arranged in the central hole in a sliding manner;
the poking piece comprises a first rotating shaft fixed in the bag-dismantling assembly box body, a poking rod which is arranged at one end part of the first rotating shaft along the radial direction of the first rotating shaft, a plurality of connecting pieces which are arranged at the same end part with the poking rod along the radial direction of the first rotating shaft at equal intervals in the circumferential direction, and an arc-shaped limiting piece connected with the end part of each connecting piece; the radial line at the center of the arc-shaped limiting piece coincides with the axis of the deflector rod; the deflector rod is in sliding fit with the two first grooves, and the arc-shaped limiting piece is buckled with the two limiting grooves on the same side of the cylindrical cam; the driving mechanism of the rotating mechanism is connected to the other end part of the first rotating shaft.
The invention is characterized in that the side surfaces of the lifting connecting pieces are correspondingly provided with a first guide groove respectively, and the first guide groove is in sliding fit with a sliding rod at one end part of the lifting push rod;
the invention is characterized in that a second groove which is in sliding fit with the other end part of the lifting push rod is arranged on one side end surface of the lifting cam along the circumferential direction;
the lifting push rod comprises the second rotating shaft, a first connecting handle and a second connecting handle which are respectively connected with two ends of the second rotating shaft, and a U-shaped connecting piece connected with the end part of the second connecting handle; the end part of the first connecting handle is in sliding fit with the second groove, and the end part of the U-shaped connecting piece is in sliding fit with the first guide groove.
The bag breaking component comprises a bag breaking knife arranged in the middle of the bag breaking cylinder, a bag breaking knife shaft connected to one end of the bag breaking knife, two ends of the bag breaking knife shaft are arranged on the wall of the bag breaking cylinder, and one end of the bag breaking knife shaft penetrates through the first through hole and is connected with the shaking component.
The bag opening and closing device is characterized in that the shaking component comprises a gear coaxial with the bag opening cutter shaft, a rack meshed with the gear, a guide block fixed in the bag opening component box body and matched with the rack in a sliding mode, a second guide groove arranged at one end of the rack, and an eccentric wheel arranged in the second guide groove, the circumferential surface of the eccentric wheel is tangential to the side wall of the second guide groove, and the shaft of the eccentric wheel is a third rotating shaft fixed in the bag opening component box body and driven by a driving mechanism of the shaking component.
The invention is characterized in that the shaft of the lifting cam is coaxial with the first rotating shaft; and a belt transmission mechanism is arranged between the first rotating shaft and the third rotating shaft, and the third rotating shaft is coaxial with an output shaft of the driving motor. The rotating mechanism, the lifting mechanism and the bag breaking assembly are linked, so that the number of motors can be reduced, and the energy consumption can be reduced.
The invention is practically used: the driving motor operates, and a third rotating shaft coaxial with an output shaft of the driving motor synchronously rotates to drive the belt transmission mechanism to rotate, and meanwhile, a first rotating shaft connected with the belt transmission mechanism also simultaneously rotates, and in the process, the bag breaking assembly, the rotating mechanism and the lifting mechanism simultaneously operate;
the shaft of the lifting cam is coaxial with the first rotating shaft, so that the lifting cam synchronously rotates along with the first rotating shaft, one end part of a lifting push rod in sliding fit with the second groove slides in the second groove, namely, the end part of the first connecting rod moves up and down, the end part of the first connecting rod connected to the two ends of the second rotating shaft moves reversely with the end part of the second connecting rod due to the fact that the second rotating shaft in the middle of the lifting push rod is fixed, namely, a U-shaped connecting piece connected with the end part of the second connecting rod moves up and down reversely with the end part of the first connecting rod, the lifting connecting piece in sliding fit with the lifting connecting piece is driven, and a lifting guide rod hinged with the lifting connecting piece moves up and down along with the lifting connecting piece, namely, the bag holding part also synchronously lifts along with the lifting guide rod;
when the lifting mechanism moves, the first rotating shaft drives the toggle piece to rotate, when the toggle rod is in contact with the cylindrical cam, the toggle rod enters a first groove communicated with the limit groove from a limit groove and slides along the first groove, and slides out from another limit groove communicated with the first groove, in the process, the cylindrical cam rotates by half a circumference and drives the lifting guide rod to be in sliding fit with the central hole, and the sleeved lifting guide rod rotates in the same way, namely, the bag holding part connected with the upper end part of the lifting guide rod synchronously rotates along with the lifting guide rod; when the deflector rod slides out of the limit groove, the arc-shaped limit piece is buckled with the other limit groove on the same side of the slide-out limit groove, and the rotation of the cylindrical cam is limited before the deflector rod dials the cylindrical cam again to rotate, so that the stability of the lifting movement process is ensured; after the bag holding part rotates once, the bag holding part continuously performs lifting motion twice to generate the next rotation;
the raw material packaging bag is conveyed to the lower part of a bag holding part positioned at the outer side of the main box body by a conveying part, the bag holding part descends along with a lifting mechanism and approaches the raw material packaging bag, a clamping mechanism driving motor drives a worm wheel coaxial with an output shaft of the clamping mechanism driving motor to rotate, two worms meshed with the worm wheel simultaneously rotate in a lifting bearing seat and drive screw sleeves connected with two ends of the worm wheel to rotate, a threaded rod in threaded connection with the screw sleeves pushes a connecting rod hinged with the threaded rod to move outwards, and meanwhile, bag holding claws hinged at the end part of a supporting plate are driven to extend out of claw grooves for bag holding operation;
the bag holding component carries the raw material packaging bag to be lifted to the vicinity of the highest position rapidly, enters the bag detaching cylinder from the rotating channel, and then descends rapidly and approaches the bag breaking component; meanwhile, a third rotating shaft coaxial with the driving motor drives the eccentric wheel to rotate around the eccentric wheel, a second guide groove tangential to the circumferential surface of the eccentric wheel on the inner side wall moves back and forth along with the eccentric wheel to drive the rack to move back and forth along with the guide block, a gear meshed with the rack rotates back and forth along with the rack, a bag breaking cutter shaft coaxial with the shaft of the gear drives the bag breaking cutter to rotate back and forth, bag breaking operation and subsequent stirring are carried out on the descending and approaching raw material packaging bag, and materials are promoted to be dumped cleanly;
after the bag is broken, the bag holding part carries the raw material packaging bag to carry out a complete lifting operation, the process can accelerate the pouring of materials in the packaging bag and further promote the pouring of the materials, then the empty packaging bag is carried and lifted to the vicinity of the highest position, the clamping mechanism driving motor rotates reversely, the bag holding claw is retracted from the claw groove to the bag holding mechanism box, namely the empty packaging bag is released, the empty packaging bag enters the suction-off channel along with the wind power of the suction-off fan and immediately leaves the device, and the clamping mechanism driving motor stops when the lifting bearing seat is lifted to the highest position; when the bag carrying operation is carried out on one side of the bag holding component and the bag carrying operation is carried out and then the bag carrying operation is carried out again to the limit position, the other side of the bag holding component grabs a new raw material packaging bag from the feeding mechanism; after the empty packaging bag is released from one side of the bag holding component, when the bag opening cylinder is separated from the rotating channel, the new raw material packaging bag is carried by the other side of the bag holding component from the rotating channel to enter the bag opening cylinder. And performing reciprocating operation in this way.
The beneficial effects of the invention are as follows: the bag opening operation is mainly completed in the bag opening cylinder, and the intervals in the main box body are divided, so that the operation between mechanisms or components is free from interference, the device is compact, the occupied area is reduced, and meanwhile, the feeding mechanism box body is arranged in the feeding mechanism, so that the bag opening operation is isolated from the external environment, and the pollution of the bag opening operation to the environment is reduced; the lifting guide rod is connected with the rotating mechanism and the lifting mechanism, and two ends of the bag holding assembly which moves along with the lifting guide rod are respectively provided with a clamping mechanism, so that the operation processes of lower position clamping, higher position transferring, lower position bag breaking, higher position sucking-off and higher position returning can be realized in a circulating way, on one hand, the continuity of operation can be realized, and on the other hand, the bag breaking operation can be performed at a lower position in the bag opening cylinder, so that the bag opening operation is closer to the blanking cylinder, and the pollution to the environment is further reduced; the lifting mechanism is realized by using a lifting push rod to slide in a second groove, a fixed second rotating shaft, a first guide groove matched with the lifting push rod in a sliding manner and other mechanisms, the rotation of the lifting cam along the first rotating shaft is converted into the lifting motion of a lifting connecting piece, and meanwhile, the lifting speed of the lifting connecting piece is reduced when the lifting connecting piece is lifted or lifted to a limit position, namely, on one hand, the stay time of a raw material packaging bag at a bag breaking position is longer, the bag breaking assembly is convenient for carrying out bag breaking operation and stirring immediately on the raw material packaging bag, the material is promoted to be dumped, the operation effectiveness is improved, on the other hand, the stay time of a bag holding part at the highest position is longer, the suction operation of an empty bag and the transfer operation of a new raw material packaging bag are conveniently and sequentially completed at the higher position, the interference of all mechanisms or parts in the device can be avoided, and the operation continuity is further improved; the bag breaking assembly is realized by the mutually matched eccentric wheel, the second guide groove, the guide block and the rack which are in sliding fit, and the mutually meshed gear-rack mechanism, so that the speed of bag breaking and stirring operation after the bag breaking can be increased, the materials are further promoted to be dumped clean, and the effectiveness of discharging operation is improved; set up belt drive mechanism to and with lifting cam and first pivot coaxial, can make to realize the linkage between slewing mechanism, elevating system and the broken bag subassembly on the one hand, reduce motor quantity of use, reduce the energy consumption, on the other hand, can make the mechanism realize rotating once the back, carry out twice elevating movement in succession and take place to rotate next time, make the material break the bag after, break away from the raw materials wrapping bag under gravity and inertial operation fast, further promote the material to empty totally, improve the operation validity.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic partial structure of an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a main casing according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a bag holding arm according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a clamping mechanism according to an embodiment of the invention.
Fig. 6 is a schematic structural diagram of connection relationship among a rotating mechanism, a lifting mechanism and a bag breaking assembly in an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of connection between a rotation mechanism and a lifting mechanism in an embodiment of the present invention.
Fig. 8 is a schematic structural view of a cylindrical cam in an embodiment of the present invention.
Fig. 9 is a schematic structural view of a toggle member according to an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of an elevating push rod according to an embodiment of the present invention.
Wherein, the reference numerals are as follows: 1. a feeding mechanism; 11. a feeding mechanism box body; 12. a conveying member; 2. a bag removal assembly; 201. the bag opening cylinder; 202. a bag-removing assembly box body; 203. a blanking cylinder; 204. a rotating passage; 205. a first through hole; 206. a second through hole; 21. a bag holding member; 211. a bag holding arm; 2111. a bag holding arm body; 2112. a bag holding mechanism box; 2113. v supports; 2114. a claw groove; 2115. a connection hole; 2121. a support plate; 2122. holding a bag claw; 2123. a connecting rod; 2124. a worm wheel; 2125. a worm; 2126. a thread sleeve; 2127. a threaded rod; 2128. lifting the bearing pedestal; 22. lifting the guide rod; 231. a cylindrical cam; 2311. a columnar body; 2312. a limiting plate; 2313. cylindrical cam shaft sleeve; 2314. a first groove; 2315. a limit groove; 2316. a central bore; 232. a toggle member; 2321. a first rotating shaft; 2322. a deflector rod; 2323. an arc-shaped limiting piece; 2324. a connecting block; 241. lifting cams; 2411. a second groove; 242. lifting the push rod; 2421. a first connection handle; 2422. a second rotating shaft; 2423. a second connection handle; 2424. a U-shaped connecting piece; 243. lifting the connecting piece; 2431. a guide groove; 251. a bag breaking knife; 252. a bag breaking cutter shaft; 253. a gear; 254. a rack; 255. a guide block; 256. an eccentric wheel; 257. a third rotating shaft; 3. a suction-off member; 31. sucking off the channel.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
Referring to fig. 1 to 10, an embodiment of the present invention provides an automatic bag-opening device for raw material discharging, which includes a feeding mechanism 1, a bag-opening assembly 2, and a suction-off member 3, which are sequentially arranged;
the feeding mechanism 1 includes a conveying member 12 and a feeding mechanism case 11 accommodating the same;
the outer sides of the bag disassembly component 2 and the suction component 3 are provided with main boxes;
the main box body comprises a bag-dismantling cylinder 201 arranged in the middle of the main box body, a bag-dismantling assembly box body 202 arranged on one side of the bag-dismantling cylinder 201, a rotating channel 204 arranged above the bag-dismantling assembly box body 202 and communicated with the upper end part of the bag-dismantling cylinder 21, and a sucking-off channel 31 arranged on the other side of the bag-dismantling cylinder 201 and communicated with the outside; the lower end of the bag opening cylinder 201 is communicated with the blanking cylinder 203.
The bag-disassembling component 2 comprises a bag-holding component 21 arranged in a rotating channel 204, a lifting guide rod 22 connected to the lower end part of the bag-holding component 21, a rotating mechanism for driving the bag-holding component 21 to rotate, a lifting mechanism for driving the bag-holding component 21 to lift and fall, and a bag-breaking component arranged below the bag-holding component 21; the rotating mechanism and the lifting mechanism are both arranged in the bag-dismantling assembly box 202, and the lower end part of the lifting guide rod 22 penetrates through a second through hole 206 arranged on the top wall of the bag-dismantling assembly box 202 and is sequentially connected with the rotating mechanism and the lifting mechanism;
the bag holding member 21 includes a bag holding arm 211, and two bag holding mechanisms provided at both end portions of the bag holding arm 211, respectively; the bag holding arm 211 includes a bag holding arm body 2111, bag holding mechanism boxes 2112 provided at both ends of the bag holding arm body 2111, respectively, and a V-shaped support 2113 provided in the middle of the lower portion of the bag holding arm body 2111; the center of the lower end surface of the V-shaped supporting piece 2113 is connected with a lifting guide rod 22; a bag holding mechanism is arranged in each bag holding mechanism box 2112, and a plurality of claw grooves 2114 matched with the bag holding mechanisms are formed in the lower end face of each bag holding mechanism box 2112;
the lifting mechanism comprises a lifting connecting piece 243 hinged at the lower end of the lifting guide rod 22, a lifting push rod 242 with one end part in sliding fit with the side surface of the lifting connecting piece 243, and a lifting cam 241 in sliding fit with the other end part of the lifting push rod 242; a second rotating shaft 2422 arranged in the bag-opening assembly box 202 at the middle part of the lifting push rod 242; the shaft of the lifting cam 241 is driven by a driving mechanism of the lifting mechanism;
the bag breaking assembly comprises a bag breaking component arranged in the bag opening cylinder 201 and a shaking component arranged in the bag opening assembly box 202 and used for driving the bag breaking component; the bag breaking component penetrates through a first through hole 205 arranged between the bag opening assembly box 202 and the bag opening barrel 201 and is connected to the shaking component;
the suction member 3 includes a suction passage 31 provided in the main casing, and a suction motor provided in the suction passage 31.
The invention is characterized in that each bag holding mechanism comprises a supporting plate 2121 correspondingly fixed on the inner wall of a bag holding mechanism box 2112, two bag holding claws 2122 respectively hinged at two ends of each supporting plate 2121 correspondingly, and a clamping mechanism for driving each bag holding claw 2122; bag holding jaw 2122 mates with jaw slot 2114;
the clamping mechanism comprises two pairs of lifting bearing seats 2128 correspondingly and slidingly arranged on the inner side walls of the supporting plate 2121, two worms 2125 respectively matched with each pair of lifting bearing seats 2128, a worm wheel 2124 positioned between the two worms 2125 and meshed with the two worms 2125, a thread bush 2126 respectively arranged at two ends of each worm 2125, a threaded rod 2127 in threaded connection with each thread bush 2126, and a connecting rod 2123 hinged at the end parts of the two threaded rods 2127 at the same side; the connecting rod 2123 is positioned between the two bag holding claws 2122, and two ends of the connecting rod are respectively movably connected with the two bag holding claws 2122 which are oppositely arranged; the shaft of worm gear 2124 is coaxial with the output shaft of the gripper mechanism drive motor.
The invention is characterized in that the rotating mechanism comprises a cylindrical cam 231 with a rotating shaft fixed in the bag-dismantling assembly box 202 and a poking piece 232 matched with the cylindrical cam 231; a lifting guide rod 22 slidably disposed through the axial center of the cylindrical cam 231;
the cylindrical cam 231 includes a cylindrical body 2311, two limiting plates 2312 respectively disposed at two ends of the cylindrical body 2311, first grooves 2314 correspondingly disposed on a cylindrical surface of the cylindrical body 2311 and intersecting with each other, limiting grooves 2315 correspondingly disposed at two radial ends of each of the limiting plates 2312, two cylindrical cam sleeves 2313 correspondingly disposed at the centers of the end surfaces of the two limiting plates 2312, and central holes 2316 passing through the cylindrical cam 231along the axial direction of the cylindrical cam sleeves 2313, wherein an end portion of each of the first grooves 2314 is respectively communicated with each of the corresponding limiting grooves 2315; the cylindrical cam shaft sleeve 2313 is fixed in the bag-removing assembly box 202, and the lifting guide rod 22 is arranged in the central hole 2316 in a sliding manner;
the toggle piece 232 comprises a first rotating shaft 2321 fixed in the bag-opening assembly box 202, a toggle rod 2322 arranged at one end part of the first rotating shaft 2321 along the radial direction of the first rotating shaft 2321, a plurality of connecting pieces 2324 arranged at the same end part with the toggle rod 2322 at equal intervals in the circumferential direction along the radial direction of the first rotating shaft 2321, and an arc-shaped limiting piece 2323 connected with the end part of each connecting piece 2324; the radial line at the center of the arc-shaped limiting piece 2323 coincides with the axis of the shift lever 2322; the shift lever 2322 is in sliding fit with the two first grooves 2314, and the arc-shaped limiting piece 2323 is buckled with the two limiting grooves 2315 on the same side of the cylindrical cam 231; the driving mechanism of the rotating mechanism is connected to the other end portion of the first rotating shaft 2321.
The invention is characterized in that the side surfaces of the lifting connecting piece 243 are respectively provided with a first guide groove 2431 correspondingly, and the first guide grooves 2431 are in sliding fit with the sliding rod at one end part of the lifting push rod 242;
the invention is characterized in that one side end surface of the lifting cam 241 is provided with a second groove 2411 which is in sliding fit with the other end part of the lifting push rod 242 along the circumferential direction;
the lifting rod 242 comprises a second rotating shaft 2422, a first connecting handle 2421 and a second connecting handle 2423 which are respectively connected with two ends of the second rotating shaft 2422, and a U-shaped connecting piece 2424 connected with the end part of the second connecting handle 2423; the end of the first coupling stem 2421 is slidably engaged with the second groove 2411, and the end of the U-shaped coupling member 2424 is slidably engaged with the first guide groove 2431.
The bag breaking component comprises a bag breaking knife 251 arranged in the middle of the bag opening barrel 201, a bag breaking knife shaft 252 connected to one end of the bag breaking knife 251 and two ends of the bag breaking knife shaft 252 arranged on the barrel wall of the bag opening barrel 201, and one end of the bag breaking knife shaft 252 penetrates through the first through hole 205 to be connected with the shaking component.
The invention is characterized in that the shaking component comprises a gear 253 coaxial with the bag breaking cutter shaft 252, a rack 254 meshed with the gear 253, a guide block 255 fixed in the bag opening component box 202 and matched with the rack 254 in a sliding way, a second guide groove 2541 arranged at one end part of the rack 254, and an eccentric wheel 256 arranged in the second guide groove 2541, the circumferential surface of the eccentric wheel 256 is tangential to the side wall of the second guide groove 2541, the shaft of the eccentric wheel 256 is a third rotating shaft 257 fixed in the bag opening component box 202, and the third rotating shaft 257 is driven by a driving mechanism of the shaking component.
The specific feature of the present invention is that the shaft of the lifting cam 241 is coaxial with the first rotation shaft 2321; a belt transmission mechanism 26 is arranged between the first rotating shaft 2321 and the third rotating shaft 257, and the third rotating shaft 257 is coaxial with an output shaft of the driving motor.
The invention is practically used: the driving motor operates, and the third rotating shaft 257 coaxial with the output shaft of the driving motor synchronously rotates to drive the belt transmission mechanism 26 to rotate, and meanwhile, the first rotating shaft 2321 connected with the belt transmission mechanism 26 also simultaneously rotates, and in the process, the bag breaking assembly, the rotating mechanism and the lifting mechanism simultaneously operate;
the shaft of the lifting cam 241 is coaxial with the first rotating shaft 2321, so that the lifting cam 241 rotates synchronously with the first rotating shaft 2321, one end of the lifting push rod 242 slidingly matched with the second groove 2411 slides in the second groove 2411, namely, the end of the first connecting rod 2421 moves up and down, and as the second rotating shaft 2422 in the middle of the lifting push rod 242 is fixed, the end of the first connecting rod 2421 and the end of the second connecting rod 2423 connected at the two ends of the second rotating shaft 2422 move oppositely, namely, the U-shaped connecting piece 2424 connected with the end of the second connecting rod 2423 moves up and down oppositely to the end of the first connecting rod 2421, so as to drive the lifting connecting piece 243 slidingly matched with the lifting connecting piece 243 and the lifting guide rod 22 hinged with the lifting connecting piece 243 to lift up and down along with the lifting connecting piece 242, namely, the bag holding part 21 also moves up and down synchronously along with the lifting guide rod;
when the lifting mechanism moves, the first rotating shaft 2321 drives the toggle piece 232 to rotate, and when the toggle lever 2322 contacts with the cylindrical cam 231, the toggle lever 2322 enters a first groove 2314 communicated with the first groove 2315 from a limit groove 2315 and slides along the first groove 2314, and slides out from another limit groove 2315 communicated with the first groove 2314, in the process, the cylindrical cam 231 rotates by half a circumference and drives the cylindrical cam 231 to slide and match with the central hole 2316, and the sleeved lifting guide rod 22 rotates in the same way, namely the bag holding part 21 connected with the upper end part of the lifting guide rod 22 synchronously rotates along with the bag holding part; while the shift lever 2322 slides out of the limit groove 2315, the arc-shaped limit piece 2323 is buckled with the other limit groove 2315 on the same side of the slide-out limit groove 2315, and the rotation of the cylindrical cam 231 is limited before the shift lever 2322 shifts the cylindrical cam 231 again to rotate, so that the stability of the lifting movement process is ensured; after the bag holding part 21 rotates once, the next rotation occurs after two continuous lifting movements;
the raw material packaging bag is conveyed to the lower part of a bag holding part 21 positioned at the outer side of the main box body by a conveying part 12, the bag holding part 21 descends along with a lifting mechanism and approaches the raw material packaging bag, a clamping mechanism driving motor drives a worm wheel 2124 coaxial with an output shaft of the clamping mechanism to rotate, two worms 2125 meshed with the worm wheel 2124 simultaneously rotate in a lifting bearing seat 2128 and drive screw sleeves 2126 connected with two ends of the worm 2125 to rotate, a threaded rod 2127 connected with the screw sleeves 2126 in a threaded manner pushes a connecting rod 2123 hinged with the threaded rod 2127 to move outwards, bag holding claws 2122 hinged at the end part of a supporting plate 2121 are driven to extend out of claw grooves 2114 to carry out bag holding operation, and when the lifting bearing seat 2128 descends to the lowest position, the clamping mechanism driving motor stops running, and then the raw material packaging bag synchronously moves along with the bag holding part 21;
the bag holding part 21 carries the raw material packaging bag to be lifted to the vicinity of the highest position rapidly, enters the bag opening cylinder 201 from the rotating channel 204, and then is lowered rapidly and approaches the bag breaking assembly; meanwhile, the third rotating shaft 257 coaxial with the driving motor drives the eccentric wheel 256 to rotate around the eccentric wheel, the second guide groove 2541 with the inner side wall tangential to the circumferential surface of the eccentric wheel 256 moves back and forth along with the eccentric wheel 256 to drive the rack 254 to move back and forth along with the guide block 255, the gear 253 meshed with the rack 254 rotates back and forth along with the rack, the bag breaking cutter shaft 252 coaxial with the shaft of the gear 253 drives the bag breaking cutter 251 to rotate back and forth, and bag breaking operation and subsequent stirring are carried out on the descending and approaching raw material packaging bags, so that materials are enabled to be dumped cleanly;
after the bag is broken, the bag holding part 21 carries the raw material packaging bag to carry out a complete lifting operation, the process can accelerate the pouring of the materials in the packaging bag, the materials are further promoted to be poured cleanly, then the empty packaging bag is carried to be lifted to the vicinity of the highest position, the clamping mechanism driving motor rotates reversely, the bag holding claw 2122 is retracted from the claw groove 2114 to the bag holding mechanism box 2112, namely the empty packaging bag is released, the empty packaging bag enters the suction-off channel 31 along with the wind power of the suction-off fan and then leaves the device, and the clamping mechanism driving motor stops when the lifting bearing seat 2128 is lifted to the highest position; when one side of the bag holding part 21 carries the raw material packaging bag to fall to the limit position again after the bag breaking operation, the other side of the bag holding part 21 grabs a new raw material packaging bag from the feeding mechanism 1; after releasing the empty package from one side of the bag holding member 21, when leaving the bag opening cylinder 201 from the rotation passage 204, the other side carries a new raw material package from the rotation passage 204 into the bag opening cylinder 201. And performing reciprocating operation in this way.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The automatic bag-opening device for raw material discharging is characterized by comprising a feeding mechanism (1), a bag-opening assembly (2) and a suction component (3) which are sequentially arranged;
the feeding mechanism (1) comprises a conveying component (12) and a feeding mechanism box body (11) for accommodating the conveying component;
the outer sides of the bag disassembly component (2) and the suction component (3) are provided with main boxes;
the main box body comprises a bag opening cylinder (201) arranged in the middle of the main box body, a bag opening assembly box body (202) arranged on one side of the bag opening cylinder (201), a rotating channel (204) arranged above the bag opening assembly box body (202) and communicated with the upper end part of the bag opening cylinder (201), and a sucking-off channel (31) arranged on the other side of the bag opening cylinder (201) and communicated with the outside; the lower end of the bag-opening cylinder (201) is communicated with the blanking cylinder (203);
the bag opening assembly (2) comprises a bag holding part (21) arranged in the rotating channel (204), a lifting guide rod (22) connected to the lower end part of the bag holding part (21), a rotating mechanism for driving the bag holding part (21) to rotate, a lifting mechanism for driving the bag holding part (21) to lift, and a bag breaking assembly arranged below the bag holding part (21); the rotating mechanism and the lifting mechanism are both arranged in the bag-opening assembly box body (202), and the lower end part of the lifting guide rod (22) penetrates through a second through hole (206) arranged on the top wall of the bag-opening assembly box body (202) and is sequentially connected with the rotating mechanism and the lifting mechanism;
the bag holding part (21) comprises a bag holding arm (211) and two bag holding mechanisms respectively arranged at two ends of the bag holding arm (211); the bag holding arm (211) comprises a bag holding arm body (2111), bag holding mechanism boxes (2112) respectively arranged at two ends of the bag holding arm body (2111), and a V-shaped supporting piece (2113) arranged at the middle part below the bag holding arm body (2111); the center of the lower end surface of the V-shaped supporting piece (2113) is connected with the lifting guide rod (22); each bag holding mechanism box (2112) is internally provided with a bag holding mechanism, and the lower end surface of each bag holding mechanism box (2112) is provided with a plurality of claw grooves (2114) matched with the bag holding mechanisms;
the lifting mechanism comprises a lifting connecting piece (243) hinged at the lower end of the lifting guide rod (22), a lifting push rod (242) with one end part in sliding fit with the side surface of the lifting connecting piece (243), and a lifting cam (241) with the other end part of the lifting push rod (242); a second rotating shaft (2422) arranged in the bag-dismantling assembly box body (202) at the middle part of the lifting push rod (242); the shaft of the lifting cam (241) is driven by a driving mechanism of the lifting mechanism;
the bag breaking assembly comprises a bag breaking component arranged in the bag opening cylinder (201) and a shaking component arranged in the bag opening assembly box body (202) and used for driving the bag breaking component; the bag breaking component penetrates through a first through hole (205) arranged between the bag opening component box body (202) and the bag opening cylinder (201) and is connected to the shaking component;
the bag breaking component comprises a bag breaking knife (251) arranged in the middle of the bag opening cylinder (201), a bag breaking knife shaft (252) connected to one end of the bag breaking knife (251) and provided with two ends on the wall of the bag opening cylinder (201), and one end of the bag breaking knife shaft (252) penetrates through the first through hole (205) to be connected with the shaking component;
the shaking component comprises a gear (253) coaxial with the bag breaking cutter shaft (252), a rack (254) meshed with the gear (253), and a guide block (255) fixed in the bag dismantling assembly box body (202) and in sliding fit with the rack (254);
the suction component (3) comprises a suction channel (31) arranged in the main box body and a suction motor arranged in the suction channel (31).
2. The automatic bag opening device for raw material blanking according to claim 1, wherein each bag holding mechanism comprises a supporting plate (2121) correspondingly fixed on the inner wall of a bag holding mechanism box (2112), two bag holding claws (2122) respectively hinged at two ends of each supporting plate (2121), and a clamping mechanism for driving each bag holding claw (2122); the bag holding claw (2122) is matched with the claw groove (2114);
the clamping mechanism comprises two pairs of lifting bearing seats (2128) correspondingly arranged on the inner side walls of the supporting plate (2121) in a sliding manner, two worms (2125) respectively matched with each pair of lifting bearing seats (2128), worm wheels (2124) positioned between the two worms (2125) and meshed with the two worms (2125), threaded sleeves (2126) respectively arranged at two ends of each worm (2125), threaded rods (2127) in threaded connection with each threaded sleeve (2126), and connecting rods (2123) hinged to the ends of the two threaded rods (2127) at the same side; the connecting rod (2123) is positioned between the two bag holding claws (2122), and two ends of the connecting rod are respectively and movably connected with the two bag holding claws (2122) which are arranged oppositely; the shaft of the worm wheel (2124) is coaxial with the output shaft of the clamping mechanism driving motor.
3. The automatic bag opening device for raw material blanking according to claim 2, wherein the rotating mechanism comprises a cylindrical cam (231) with a rotating shaft fixed in the bag opening assembly box body (202), and a poking piece (232) matched with the cylindrical cam (231); the lifting guide rod (22) which penetrates through the axis of the cylindrical cam (231) and is arranged in a sliding way;
the cylindrical cam (231) comprises a cylindrical body (2311), two limiting plates (2312) respectively arranged at two ends of the cylindrical body (2311), first grooves (2314) correspondingly arranged on the cylindrical surface of the cylindrical body (2311) in a crossing manner, limiting grooves (2315) correspondingly arranged at two radial ends of each limiting plate (2312), two cylindrical cam shaft sleeves (2313) correspondingly arranged at the centers of the end surfaces of the two limiting plates (2312), and central holes (2316) which are arranged along the axial direction of the cylindrical cam shaft sleeves (2313) and penetrate through the cylindrical cam (231), wherein the end parts of each first groove (2314) are respectively communicated with each corresponding limiting groove (2315); the cylindrical cam shaft sleeve (2313) is fixed in the bag-opening assembly box body (202), and the lifting guide rod (22) is arranged in the central hole (2316) in a sliding manner;
the poking part (232) comprises a first rotating shaft (2321) fixed in the bag-opening assembly box body (202), a poking rod (2322) arranged at one end part of the first rotating shaft (2321) along the radial direction of the first rotating shaft (2321), a plurality of connecting parts (2324) arranged at the same end part with the poking rod (2322) in the same circumferential direction at equal intervals, and an arc-shaped limiting part (2323) connected with the end part of each connecting part (2324); the radial line at the center of the arc-shaped limiting part (2323) coincides with the axis of the deflector rod (2322); the deflector rod (2322) is in sliding fit with the two first grooves (2314), and the arc-shaped limiting piece (2323) is buckled with the two limiting grooves (2315) on the same side of the cylindrical cam (231); the driving mechanism of the rotating mechanism is connected to the other end part of the first rotating shaft (2321).
4. The automatic bag opening device for raw material discharging according to claim 3, wherein a first guiding groove (2431) is provided on each side of the lifting connector (243), and the first guiding groove (2431) is slidably engaged with a sliding rod at one end of the lifting push rod (242).
5. The automatic bag opening device for blanking raw materials according to claim 4, wherein one side end surface of the lifting cam (241) is provided with a second groove (2411) in sliding fit with the other end part of the lifting push rod (242) along the circumferential direction.
6. The automatic bag opening device for raw material discharging according to claim 5, wherein the lifting push rod (242) comprises the second rotating shaft (2422), a first connecting handle (2421) and a second connecting handle (2423) respectively connected to two ends of the second rotating shaft (2422), and a U-shaped connecting piece (2424) connected to the end part of the second connecting handle (2423); the end of the first connecting handle (2421) is in sliding fit with the second groove (2411), and the end of the U-shaped connecting piece (2424) is in sliding fit with the first guide groove (2431).
7. The automatic bag opening device for discharging raw materials according to claim 6, wherein the shaking component further comprises a second guide groove (2541) arranged at one end part of the rack (254), and an eccentric wheel (256) arranged in the second guide groove (2541) and having a circumferential surface tangential to the side wall of the second guide groove (2541), and the shaft of the eccentric wheel (256) is a third rotating shaft (257) fixed in the bag opening component box (202), and the third rotating shaft (257) is driven by the driving mechanism of the shaking component.
8. The automatic bag opening device for raw material discharging according to claim 7, wherein the shaft of the lifting cam (241) is coaxial with the first rotation shaft (2321); a belt transmission mechanism (26) is arranged between the first rotating shaft (2321) and the third rotating shaft (257), and the third rotating shaft (257) is coaxial with an output shaft of the driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186174.6A CN109204988B (en) | 2018-10-12 | 2018-10-12 | Automatic bag opening device for raw material discharging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186174.6A CN109204988B (en) | 2018-10-12 | 2018-10-12 | Automatic bag opening device for raw material discharging |
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| CN109204988A CN109204988A (en) | 2019-01-15 |
| CN109204988B true CN109204988B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811186174.6A Active CN109204988B (en) | 2018-10-12 | 2018-10-12 | Automatic bag opening device for raw material discharging |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109590101A (en) * | 2019-01-25 | 2019-04-09 | 烟台工程职业技术学院(烟台市技师学院) | A kind of feed charging device |
| CN110626582A (en) * | 2019-10-23 | 2019-12-31 | 潍坊六和饲料有限公司 | Material package bag dismounting device |
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| JP2011115786A (en) * | 2009-11-09 | 2011-06-16 | Technica Machinery Kk | Bag removing machine |
| CN103625710A (en) * | 2013-12-11 | 2014-03-12 | 天津市艾盟科技发展有限公司 | Automatic bag-breaking batch feeder |
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| CN108146754A (en) * | 2018-02-13 | 2018-06-12 | 汉瑞普泽粉粒体技术（上海）有限公司 | A kind of automatic Unpacking of cleaning-type |
| CN207580335U (en) * | 2017-11-02 | 2018-07-06 | 清远市易碳环境科技有限公司 | A kind of environment-friendly type bag discharge machine for bagged cement |
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| JP2011115786A (en) * | 2009-11-09 | 2011-06-16 | Technica Machinery Kk | Bag removing machine |
| CN103625710A (en) * | 2013-12-11 | 2014-03-12 | 天津市艾盟科技发展有限公司 | Automatic bag-breaking batch feeder |
| CN105730800A (en) * | 2016-04-25 | 2016-07-06 | 安丘博阳机械制造有限公司 | Small-bag opening machine and bag opening method thereof |
| CN207580335U (en) * | 2017-11-02 | 2018-07-06 | 清远市易碳环境科技有限公司 | A kind of environment-friendly type bag discharge machine for bagged cement |
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