CN113184243B - Quantitative feeding device for bag feeding type packaging machine and using method thereof - Google Patents
Quantitative feeding device for bag feeding type packaging machine and using method thereof Download PDFInfo
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- CN113184243B CN113184243B CN202110495431.XA CN202110495431A CN113184243B CN 113184243 B CN113184243 B CN 113184243B CN 202110495431 A CN202110495431 A CN 202110495431A CN 113184243 B CN113184243 B CN 113184243B
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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
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
- B65B3/30—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
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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
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B3/10—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material
- B65B3/12—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material mechanically, e.g. by pistons or pumps
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the field of packaging equipment, in particular to a quantitative feeding device for a bag feeding type packaging machine and a using method thereof. According to the quantitative feeding device for the bag feeding type packaging machine and the using method thereof, the matching stability and reliability among all mechanisms are high, and the cleaning difficulty and the labor intensity are reduced.
Description
Technical Field
The invention relates to the field of packaging equipment, in particular to a quantitative feeding device for a bag feeding type packaging machine and a using method thereof.
Background
When the bag-feeding type packaging machine is used for packaging liquid products, the driving device is used for intermittently driving the rotary table capable of rotating, stations such as bag feeding, code printing, bag opening, feeding, heat sealing and shaping are sequentially arranged on the periphery of the rotary table, the rotary table drives the packaging bags to sequentially reach the stations through the clamping part to perform working procedures of the stations, and therefore continuous and efficient working efficiency is achieved.
Present bag type packaging machine for when carrying out reinforced station operation, the wrapping bag after propping the bag through the carousel drive is in feeding equipment's downside, and utilize pump body and flow valve etc. to carry out quantitative output to liquid product, because some liquid products can all be remained to the pipeline of output liquid product inside when reinforced each time, thereby make these remaining liquid products drip easily on equipment and wrapping bag, cause the equipment to be difficult to wash, still produce the pollution to the wrapping bag, and because reinforced drive arrangement is independent separately with the drive arrangement of carousel transport wrapping bag, consequently, need various sensing equipment to carry out timing operating speed phase-match, thereby make easy the trouble of appearing, and the work matching speed is unstable.
In view of the above, we propose a quantitative feeding device for a bag-type packaging machine and a method for using the same.
Disclosure of Invention
The invention aims to provide a quantitative feeding device for a bag-feeding type packaging machine and a using method thereof, so as to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: a quantitative feeding device for a bag-feeding type packaging machine and a using method thereof comprise a base, wherein the base is provided with a turntable for conveying packaging bags, the turntable is connected with a power main shaft of the driving device in a transmission way, a bracket which is vertically arranged upwards is fixed on the base, a storage box for storing liquid products is fixed at the upper end of the bracket, a quantitative material taking mechanism for quantitatively obtaining the liquid products from the interior of the storage box is arranged on the base, the quantitative material taking mechanism is connected with the power main shaft in a transmission way, a material discharging pipe used for conveying liquid products to the packaging bag is arranged on the quantitative material taking mechanism, a material receiving mechanism used for receiving the residual liquid products in the material discharging pipe is arranged on the base, the quantitative material taking mechanism is connected with the material receiving mechanism in a transmission way, and can drive receiving mechanism and retrieve the residual liquid product of receiving to the storage incasement, the inside auxiliary packing mechanism that is used for the quantitative feeding agencies of increase to acquire liquid product from the storage incasement that is provided with of storage incasement portion.
Preferably, the quantitative material taking mechanism comprises a sliding sleeve which is vertical and fixed on the bottom surface of the storage box, a lifting rod is connected inside the sliding sleeve in a sliding manner, the upper end of the lifting rod penetrates through the bottom plate of the storage box and can slide up and down on the bottom plate of the storage box, the upper end of the lifting rod is vertical and is fixedly connected with the bottom surface of the outer barrel, the upper end of the outer barrel is open, the outer barrel is used for containing liquid products, the inner side wall of the outer barrel is connected with the inner barrel in a threaded manner, and the inner barrel is used for adjusting the capacity of the outer barrel and is open at the upper end and the lower end of the inner barrel.
Preferably, the first section of the lifting rod is internally provided with an L-shaped discharge channel, the upper end of the discharge channel is communicated with the three phases of the through holes, the three openings are formed in the center of the bottom plate of the outer cylinder, the lower port of the discharge channel is located in the inner side of the sliding sleeve, the inner side wall of the sliding sleeve can seal the lower port of the discharge channel, the side wall of the sliding sleeve is provided with a fourth through hole, the fourth through hole can be communicated with the lower port of the discharge channel, a discharge pipe is fixed on the outer peripheral wall of the sliding sleeve, and the discharge pipe is communicated with the fourth through hole.
Preferably, the quantitative material taking mechanism further comprises a guide frame fixed on the base, a slide rod is connected to the guide frame in a sliding mode, the slide rod is perpendicular to the lifting rod, one end, pointing to the lifting rod, of the slide rod is hinged to the lifting rod through a third connecting rod, and one end, connected with the lifting rod, of the third connecting rod is higher than one end, connected with the slide rod, of the third connecting rod.
Preferably, the slide bar is kept away from perpendicular and the fixed connection balladeur train of one end of connecting rod three, has seted up the bar on the balladeur train and has led to the groove, the bar leads to the trend in groove and parallels with the length direction of balladeur train, the bar leads to the inslot sliding connection and has the nose bar, the position department that the centre of a circle was kept away from to the nose bar fixed on the disc upper surface, the bottom surface center of disc is fixed with vertical decurrent pivot, the pivot dead axle rotates to be connected on the base, the pivot is passed through band pulley subassembly and is connected with power spindle drive.
Preferably, the material receiving mechanism comprises a material receiving hopper, the upper end part of the material receiving hopper is hinged with the side wall of the sliding sleeve through a first connecting rod, the lower end part of the material receiving hopper is hinged with the lifting rod through a second connecting rod, and the material receiving hopper can be positioned right below the outlet end of the material discharging pipe.
Preferably, receiving mechanism still includes the pump barrel, the pump barrel is fixed on the base, the inside sliding connection of pump barrel has the piston board, the lower extreme of lifter runs through the roof of pump barrel and perpendicular and fixed connection with the piston board, the lower extreme lateral wall of pump barrel is linked together with the receiving hopper through the material receiving pipe, be connected with check valve one on the material receiving pipe, the directional pump barrel of the direction of switching on of check valve one is inside, the lower extreme lateral wall of pump barrel is linked together with through-hole one through the back flow, through-hole one is seted up on the bottom plate of storage case, be connected with check valve two on the back flow, the directional through-hole one of the direction of switching on of check valve two.
Preferably, the auxiliary filling mechanism comprises a liquid storage cylinder, the lower end of the liquid storage cylinder is fixed on the bottom surface of the inner side of the material storage box, the liquid storage cylinder is communicated with the first through hole, the upper end of the liquid storage cylinder is fixed and communicated with a bent pipe, and one end, far away from the liquid storage cylinder, of the bent pipe is located right above the inner cylinder.
Preferably, a sliding plate is connected inside the liquid storage cylinder in a sliding mode, the bottom surface of the sliding plate is connected with the bottom of the inner wall of the liquid storage cylinder through a spring, a second through hole is formed in the side wall of the liquid storage cylinder and located below the sliding plate, a third check valve is connected to the side wall of the liquid storage cylinder and located on the upper side of the sliding plate, and the conduction direction of the third check valve points to the inside of the liquid storage cylinder.
In addition, the application also provides a using method of the quantitative feeding device for the bag-feeding type packaging machine, which comprises the following steps:
the method comprises the following steps: quantitatively taking materials from a material storage box by driving a quantitative material taking mechanism through a power main shaft and feeding packaging bags at a feeding station;
step two: the quantitative material taking mechanism drives the material receiving mechanism to receive the residual liquid products in the discharge pipe and convey the collected liquid products to the material storage box;
step three: the auxiliary material filling mechanism is driven by the material receiving mechanism to assist the quantitative material taking mechanism to take materials quickly.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the quantitative material taking mechanism is driven by the power spindle to take materials quantitatively from the material storage box and feed the packaging bag at the feeding station, so that the quantitative feeding of the liquid product is realized, the whole material taking and feeding process and the turntable share the power source of the power spindle, and a pure mechanical mechanism is used as a transmission medium, so that the matching stability of the quantitative feeding and the packaging bag conveying is greatly increased, various electronic elements are not required to be adjusted and matched at different operation speeds, the fault rate is reduced, the reliability of the feeding process operation is improved, and the price of the electronic elements is higher than that of the pure mechanical mechanism, so that the production cost is greatly reduced.
According to the invention, the quantitative material taking mechanism drives the material receiving mechanism to receive the residual liquid products in the discharge pipe and convey the collected liquid products into the storage box, so that raw materials are saved, the loss is reduced, the collection of the residual liquid products in the discharge pipe is realized, the residual liquid products are prevented from easily dripping on equipment and packaging bags, the surface cleanness of the equipment is ensured, the cleaning difficulty and the labor intensity are reduced, and the pollution to the packaging bags is avoided.
According to the quantitative feeding device, the auxiliary filling mechanism is driven by the material receiving mechanism to assist the quantitative material taking mechanism to take materials quickly, so that the problem that the quantitative material taking mechanism cannot take materials quantitatively in time under the condition of large material taking quantity or high working speed is avoided, and the quantitative feeding operation is ensured to be carried out efficiently and stably.
Drawings
FIG. 1 is a first schematic view of the cross-sectional structure of the final assembly of the present invention;
FIG. 2 is a top view of the disc and carriage interface of FIG. 1;
FIG. 3 is a schematic view of the cross-sectional structure of the final assembly of the present invention;
FIG. 4 is a top view of the puck and carriage interface of FIG. 3;
fig. 5 is a schematic view of an enlarged connection structure at a in fig. 3.
In the figure: 1. a base; 2. a pulley assembly; 3. a material receiving pipe; 4. a one-way valve I; 5. a second one-way valve; 6. a return pipe; 7. a piston plate; 8. a lifting rod; 9. a sliding sleeve; 10. a first through hole; 11. a second through hole; 12. a slide plate; 13. a one-way valve III; 14. a liquid storage cylinder; 15. a spring; 16. bending the pipe; 17. an inner barrel; 18. an outer cylinder; 19. a third through hole; 20. a discharge channel; 21. a fourth through hole; 22. a first connecting rod; 23. a second connecting rod; 24. a pump barrel; 25. a slide bar; 26. a third connecting rod; 27. a receiving hopper; 28. a discharge pipe; 29. a guide frame; 30. a nose bar; 31. a carriage; 32. a disc; 33. a rotating shaft; 34. a power spindle; 35. a strip-shaped through groove; 36. a support; 37. a material storage box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: a quantitative feeding device for a bag feeding type packaging machine comprises a base 1, wherein a rotary disc used for conveying packaging bags is arranged on the base 1, the rotary disc is in transmission connection with a power main shaft 34 of a driving device, a support 36 vertically and upwards arranged is fixed on the base 1, a storage box 37 used for storing liquid products is fixed at the upper end of the support 36, a quantitative material taking mechanism used for quantitatively obtaining the liquid products from the inside of the storage box 37 is arranged on the base 1, the quantitative material taking mechanism is in transmission connection with the power main shaft 34, a material discharging pipe 28 used for conveying the liquid products to the packaging bags is arranged on the quantitative material taking mechanism, a material receiving mechanism used for receiving residual liquid products in the material discharging pipe 28 is arranged on the base 1, the quantitative material taking mechanism is in transmission connection with the material receiving mechanism and can drive the material receiving mechanism to recycle the received residual liquid products into the storage box 37, and an auxiliary filling mechanism used for rapidly increasing the quantity of the liquid products obtained from the storage box 37 by the quantitative material taking mechanism is arranged inside the storage box 37.
In this embodiment, as shown in fig. 1 and fig. 3, the quantitative material taking mechanism includes a sliding sleeve 9 vertically fixed on the bottom surface of the material storage box 37, a lifting rod 8 is slidably connected inside the sliding sleeve 9, an upper end of the lifting rod 8 penetrates through the bottom plate of the material storage box 37 and can slide up and down on the bottom plate of the material storage box 37, an upper end of the lifting rod 8 is vertically and fixedly connected to the bottom surface of the outer cylinder 18, the upper end of the outer cylinder 18 is open, the outer cylinder 18 is used for containing a liquid product, an inner cylinder 17 is threadedly connected to the inner side wall of the outer cylinder 18, and the inner cylinder 17 is used for adjusting the capacity of the outer cylinder 18 and both the upper end and the lower end of the inner cylinder 17 are open.
In this embodiment, as shown in fig. 1, 3, and 5, an L-shaped discharge channel 20 is disposed inside an upper half section of the lifting rod 8, an upper end of the discharge channel 20 is communicated with a third through hole 19, the third through hole 19 is disposed at a center of a bottom plate of the outer cylinder 18, a lower port of the discharge channel 20 is located inside the sliding sleeve 9, a lower port of the discharge channel 20 can be sealed by an inner side wall of the sliding sleeve 9, a fourth through hole 21 is disposed on a side wall of the sliding sleeve 9, the fourth through hole 21 can be communicated with a lower port of the discharge channel 20, a discharge pipe 28 is fixed on an outer peripheral wall of the sliding sleeve 9, and the discharge pipe 28 is communicated with the fourth through hole 21.
In this embodiment, as shown in fig. 1 and fig. 3, the quantitative material taking mechanism further includes a guide frame 29 fixed on the base 1, a sliding rod 25 is connected on the guide frame 29 in a sliding manner, the sliding rod 25 is perpendicular to the lifting rod 8, one end of the sliding rod 25 pointing to the lifting rod 8 is hinged to the lifting rod 8 through a third connecting rod 26, and one end of the third connecting rod 26 connected to the lifting rod 8 is higher than one end of the third connecting rod 26 connected to the sliding rod 25.
In this embodiment, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, one end of the sliding rod 25 away from the third connecting rod 26 is perpendicular and is fixedly connected to the sliding frame 31, the sliding frame 31 is provided with a strip-shaped through groove 35, a direction of the strip-shaped through groove 35 is parallel to a length direction of the sliding frame 31, the strip-shaped through groove 35 is slidably connected to the protruding rod 30, the protruding rod 30 is fixed at a position on the upper surface of the disc 32 away from a center of a circle, a vertical downward rotating shaft 33 is fixed at a center of the bottom surface of the disc 32, the rotating shaft 33 is connected to the base 1 in a fixed-axis rotating manner, and the rotating shaft 33 is in transmission connection with the power spindle 34 through the belt pulley assembly 2.
In this embodiment, as shown in fig. 1 and 3, the receiving mechanism includes a receiving hopper 27, an upper end of the receiving hopper 27 is hinged to the side wall of the sliding sleeve 9 through a first connecting rod 22, a lower end of the receiving hopper 27 is hinged to the lifting rod 8 through a second connecting rod 23, and the receiving hopper 27 may be located right below an outlet end of the discharging pipe 28.
In this embodiment, as shown in fig. 1 and 3, the material receiving mechanism further includes a pump barrel 24, the pump barrel 24 is fixed on the base 1, the piston plate 7 is slidably connected inside the pump barrel 24, the lower end of the lifting rod 8 penetrates through the top plate of the pump barrel 24 and is perpendicular to and fixedly connected with the piston plate 7, the lower end side wall of the pump barrel 24 is communicated with the material receiving hopper 27 through the material receiving pipe 3, the material receiving pipe 3 is connected with a one-way valve one 4, the conduction direction of the one-way valve one 4 points to the inside of the pump barrel 24, the lower end side wall of the pump barrel 24 is communicated with the through hole one 10 through the return pipe 6, the through hole one 10 is opened on the bottom plate of the material storage box 37, the return pipe 6 is connected with a one-way valve two 5, and the conduction direction of the one-way valve two 5 points to the through hole one 10.
In this embodiment, as shown in fig. 1 and 3, the auxiliary packing mechanism includes a liquid storage cylinder 14, a lower end of the liquid storage cylinder 14 is fixed on an inner bottom surface of the material storage tank 37, the liquid storage cylinder 14 is communicated with the first through hole 10, an upper end of the liquid storage cylinder 14 is fixed and communicated with an elbow 16, and an end of the elbow 16 away from the liquid storage cylinder 14 is located right above the inner cylinder 17.
In this embodiment, as shown in fig. 1 and 3, a sliding plate 12 is slidably connected inside a liquid storage cylinder 14, a bottom surface of the sliding plate 12 is connected to a bottom portion of an inner wall of the liquid storage cylinder 14 through a spring 15, a second through hole 11 is formed in a side wall of the liquid storage cylinder 14, the second through hole 11 is located below the sliding plate 12, a third check valve 13 is connected to the side wall of the liquid storage cylinder 14, the third check valve 13 is located on an upper side of the sliding plate 12, and a conducting direction of the third check valve 13 points to the inside of the liquid storage cylinder 14.
The use method and the advantages of the invention are as follows: when the quantitative feeding device for the bag feeding type packaging machine is used for feeding liquid products, the working process is as follows:
the method comprises the following steps: as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when the power spindle 34 drives the turntable to convey the packaging bags at each station, the belt pulley assembly 2 drives the rotating shaft 33 to rotate, so that the rotating shaft 33 drives the disc 32 to rotate, when the power spindle 34 drives the disc to rotate by a station angle, the belt pulley assembly 2 drives the disc 32 to rotate by exactly one circle, and when the turntable drives the packaging bags to be positioned right below the discharge port of the discharge pipe 28, the whole device is in a state shown in fig. 3 and fig. 4;
in the process that the power spindle 34 drives the turntable to drive the packaging bag to move towards the lower side of the discharge pipe 28, the power spindle 34 drives the rotating shaft 33 and the disc 32 to rotate for a circle through the belt pulley assembly 2, so that the disc 32 drives the carriage 31 to move towards the power spindle 34 through the convex rod 30 and to be away from and reset, in the process that the carriage 31 moves towards the power spindle 34, the slide rod 25 and the connecting rod 26 apply tension to the lifting rod 8 to move the lifting rod 8 downwards, so that the lifting rod 8 synchronously drives the outer cylinder 18 and the inner cylinder 17 to move downwards and to be positioned below the liquid level in the storage box 37, so that the liquid product in the storage box 37 flows towards the inner parts of the outer cylinder 18 and the inner cylinder 17, as the inner volumes of the outer cylinder 18 and the inner cylinder 17 are fixed, quantitative material taking is realized, when different material taking amounts need to be changed, the inner cylinder 17 is rotated to move upwards or downwards in the outer cylinder 18 under the action of threads, therefore, the adjustment of the material taking amount is realized, the operation is simple and convenient, the downward movement of the lifting rod 8 synchronously drives the material discharging channel 20 to move downward, so that the lower port of the material discharging channel 20 is not communicated with the fourth through hole 21, in the process that the carriage 31 is far away from the power spindle 34 and is reset, the pushing force is applied to the lifting rod 8 through the slide rod 25 and the third connecting rod 26, so that the lifting rod 8 moves upward, the lifting rod 8 synchronously drives the outer cylinder 18 and the inner cylinder 17 to move upward, the upper end opening of the inner cylinder 17 is positioned above the liquid level in the material storing box 37, so that the liquid product in the material storing box 37 cannot flow into the outer cylinder 18 and the inner cylinder 17, the quantitative output of the liquid product is ensured, the upward movement of the lifting rod 8 synchronously drives the material discharging channel 20 to move upward, so that the lower port of the material discharging channel 20 is close to the fourth through hole 21, when the turntable drives the packing bag to be positioned under the material discharging tube 28, the lower port of the discharge channel 20 is communicated with the through hole IV 21, at the moment, the liquid products in the inner cylinder 17 and the outer cylinder 18 are filled in the packaging bag through the through hole III 19, the discharge channel 20, the through hole IV 21 and the discharge pipe 28, so that the quantitative feeding of the liquid products is realized, the whole material taking and feeding process and the turntable share the power main shaft 34 as a power source, and a pure mechanical mechanism is used as a transmission medium, so that the matching stability of quantitative feeding and packaging bag conveying is greatly improved, various electronic elements are not required to be adjusted and matched at different operation rates, the failure rate is reduced, the reliability of the feeding process operation is improved, and the price of the electronic elements is higher than that of the pure mechanical mechanism, so that the production cost is greatly reduced;
step two: as described in the first step, when the lifting rod 8 moves upwards, the lifting rod 8 applies a pulling force to the receiving hopper 27 through the second connecting rod 23, so that the receiving hopper 27 is far away from the discharge port of the discharge pipe 28, so as to feed the packaging bag when the turntable drives the packaging bag to be positioned at the lower side of the discharge port of the discharge pipe 28, when the lifting rod 8 moves downwards, the lifting rod 8 applies a pushing force to the receiving hopper 27 through the second connecting rod 23, so that the receiving hopper 27 approaches to the discharge port of the discharge pipe 28 and is positioned below the discharge port of the discharge pipe 28, so as to make the residual liquid product inside the discharge pipe 28 drop into the receiving hopper 27 when the turntable drives the filled packaging bag to shift to the next process, thereby realizing the collection of the residual liquid product inside the discharge pipe 28, and avoiding the residual liquid product from easily dropping onto the equipment and the packaging bag, thereby ensuring the cleanness of the surface of the equipment, the cleaning difficulty and the labor intensity are reduced, and the pollution to the packaging bag is avoided;
as shown in fig. 1 and 3, the up-and-down movement of the lifting rod 8 synchronously drives the piston plate 7 to move up and down in the pump cylinder 24, when the piston plate 7 moves up, a suction force is generated in the pump cylinder 24, when the one-way valve one 4 is directed to the inside of the pump cylinder 24, and the one-way valve two 5 is directed to the through hole one 10, the suction force sucks the residual liquid product collected in the receiving hopper 27 into the pump cylinder 24 through the receiving pipe 3, when the piston plate 7 moves down, the piston plate 7 generates a compression force in the pump cylinder 24, so that the residual liquid product in the pump cylinder 24 is conveyed into the liquid storage cylinder 14 through the return pipe 6 and flows to the inside of the storage tank 37 through the through hole two 11, the recovery of the residual liquid product is realized, the raw material is saved, and the loss is reduced;
step three: since the amount of the liquid product remaining in the discharging pipe 28 is usually less, and therefore, most of the air in the pump barrel 24 is usually air, as described in step two, when the piston plate 7 moves downward to compress the air in the pump barrel 24, that is, when the lifting rod 8 drives the inner barrel 17 and the outer barrel 18 to move downward and take the material into the storage tank 37, the piston plate 7 rapidly delivers a large amount of air into the liquid storage barrel 14 through the return pipe 6, because the flow rate of the through hole two 11 is small, the air pressure in the liquid storage barrel 14 increases to move the sliding plate 12 upward and output the liquid product on the upper side of the sliding plate 12 in the liquid storage barrel 14 to the inner barrel 17 and the outer barrel 18 through the bent pipe 16, so as to avoid that the inner barrel 17 and the outer barrel 18 cannot timely take the material quantitatively in the case of a large material taking amount or a fast working rate, thereby ensuring efficient and stable quantitative charging operation, and the sliding plate 12 moves upward while stretching the spring 15, so that the spring 15 obtains a restoring force, because the air in the liquid storage cylinder 14 is continuously discharged into the material storage tank 37 through the second through hole 11, the bubbles generated by the gas output by the second through hole 11 stir the liquid product in the material storage tank 37 in the process of moving upwards, so that the quality of the liquid product filled in the packaging bag is kept uniform, after the air is output by the second through hole 11, the internal pressure of the liquid storage cylinder 14 is reduced, so that the sliding plate 12 is driven to move downwards under the restoring force of the spring 15, so that the next material can be taken from the auxiliary inner cylinder 17 and the outer cylinder 18, because the conducting direction of the check valve three 13 points to the inside of the liquid storage cylinder 14, the liquid product in the material storage tank 37 is automatically supplemented into the liquid storage cylinder 14 through the check valve three 13, so that the next material can be taken from the auxiliary inner cylinder 17 and the outer cylinder 18, and the material receiving mechanism and the auxiliary filling mechanism also adopt pure mechanical mechanisms as transmission media, thereby increasing the matching stability of the whole feeding device, the reliability of the operation of the charging process is improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a give bag type quantitative feeding device for packagine machine, includes base (1), base (1) is provided with the carousel that is used for carrying the wrapping bag, and carousel and drive arrangement's power main shaft (34) transmission are connected its characterized in that: a bracket (36) which is vertically and upwards arranged is fixed on the base (1), a storage box (37) for storing liquid products is fixed at the upper end of the bracket (36), the base (1) is provided with a quantitative material taking mechanism for quantitatively taking liquid products from the interior of the material storage box (37), and the quantitative material taking mechanism is connected with a power main shaft (34) in a transmission way, a discharge pipe (28) used for conveying liquid products to the packaging bags is arranged on the quantitative material taking mechanism, the base (1) is provided with a material receiving mechanism for receiving residual liquid products in the discharge pipe (28), the quantitative material taking mechanism is in transmission connection with the material receiving mechanism, and can drive the receiving mechanism to recycle the received residual liquid product into the storage box (37), an auxiliary filling mechanism for rapidly increasing the quantity of the quantitative material taking mechanism to obtain liquid products from the material storage box (37) is arranged in the material storage box (37);
the quantitative material taking mechanism comprises a sliding sleeve (9) which is vertical and fixed on the bottom surface of a material storage box (37), a lifting rod (8) is connected inside the sliding sleeve (9) in a sliding mode, the upper end of the lifting rod (8) penetrates through the bottom plate of the material storage box (37) and can slide up and down on the bottom plate of the material storage box (37), the upper end of the lifting rod (8) is vertical and fixedly connected with the bottom surface of an outer cylinder (18), the upper end of the outer cylinder (18) is provided with an opening, the outer cylinder (18) is used for containing liquid products, an inner cylinder (17) is connected to the inner side wall of the outer cylinder (18) in a threaded mode, the inner cylinder (17) is used for adjusting the capacity of the outer cylinder (18), and the upper end and the lower end of the inner cylinder (17) are provided with openings; an L-shaped discharge channel (20) is formed in the upper half section of the lifting rod (8), the upper end of the discharge channel (20) is communicated with a third through hole (19), the third through hole (19) is formed in the center of a bottom plate of the outer cylinder (18), the lower port of the discharge channel (20) is located on the inner side of the sliding sleeve (9), the inner side wall of the sliding sleeve (9) can seal the lower port of the discharge channel (20), a fourth through hole (21) is formed in the side wall of the sliding sleeve (9), the fourth through hole (21) can be communicated with the lower port of the discharge channel (20), a discharge pipe (28) is fixed on the outer peripheral wall of the sliding sleeve (9), and the discharge pipe (28) is communicated with the fourth through hole (21); the quantitative material taking mechanism further comprises a guide frame (29) fixed on the base (1), a sliding rod (25) is connected onto the guide frame (29) in a sliding mode, the sliding rod (25) is perpendicular to the lifting rod (8), one end, pointing to the lifting rod (8), of the sliding rod (25) is hinged to the lifting rod (8) through a third connecting rod (26), and one end, connected with the lifting rod (8), of the third connecting rod (26) is higher than one end, connected with the sliding rod (25), of the third connecting rod (26); one end, far away from the third connecting rod (26), of the sliding rod (25) is vertical and fixedly connected with a sliding frame (31), a strip-shaped through groove (35) is formed in the sliding frame (31), and the trend of the strip-shaped through groove (35) is parallel to the length direction of the sliding frame (31);
the material receiving mechanism comprises a material receiving hopper (27), the upper end part of the material receiving hopper (27) is hinged with the side wall of the sliding sleeve (9) through a first connecting rod (22), the lower end part of the material receiving hopper (27) is hinged with the lifting rod (8) through a second connecting rod (23), and the material receiving hopper (27) can be positioned right below the outlet end of the material discharging pipe (28); the material receiving mechanism further comprises a pump barrel (24), the pump barrel (24) is fixed on the base (1), a piston plate (7) is connected to the inside of the pump barrel (24) in a sliding mode, the lower end of the lifting rod (8) penetrates through a top plate of the pump barrel (24) and is perpendicular to and fixedly connected with the piston plate (7), the side wall of the lower end of the pump barrel (24) is communicated with a material receiving hopper (27) through a material receiving pipe (3), a one-way valve I (4) is connected to the material receiving pipe (3), and the conducting direction of the one-way valve I (4) points to the inside of the pump barrel (24); the side wall of the lower end of the pump barrel (24) is communicated with the first through hole (10) through a return pipe (6), the first through hole (10) is formed in the bottom plate of the material storage box (37), the return pipe (6) is connected with a second one-way valve (5), and the conduction direction of the second one-way valve (5) points to the first through hole (10); the auxiliary filling mechanism comprises a liquid storage cylinder (14), the lower end of the liquid storage cylinder (14) is fixed on the bottom surface of the inner side of the material storage box (37), the liquid storage cylinder (14) is communicated with the first through hole (10), the upper end of the liquid storage cylinder (14) is fixed and communicated with a bent pipe (16), and one end, far away from the liquid storage cylinder (14), of the bent pipe (16) is located right above the inner cylinder (17);
a sliding plate (12) is connected in the liquid storage barrel (14) in a sliding manner, and the bottom surface of the sliding plate (12) is connected with the bottom of the inner wall of the liquid storage barrel (14) through a spring (15);
a second through hole (11) is formed in the side wall of the liquid storage cylinder (14), and the second through hole (11) is located below the sliding plate (12);
the side wall of the liquid storage cylinder (14) is connected with a third check valve (13), the third check valve (13) is located on the upper side of the sliding plate (12), and the conducting direction of the third check valve (13) points to the inside of the liquid storage cylinder (14).
2. The dosing device for a bag-feed type packaging machine according to claim 1, characterized in that: the strip-shaped through groove (35) is connected with a convex rod (30) in a sliding mode, and the convex rod (30) is fixed at the position, away from the circle center, of the upper surface of the disc (32).
3. The quantitative charging device for the bag-feeding type packaging machine according to claim 2, characterized in that: the bottom surface center of disc (32) is fixed with vertical decurrent pivot (33), pivot (33) dead axle rotates and connects on base (1), pivot (33) are connected with power main shaft (34) transmission through band pulley subassembly (2).
4. Use of a dosing device for a bag-feeding type packaging machine according to any one of claims 1-3, characterised in that: the method comprises the following steps:
the method comprises the following steps: the quantitative material taking mechanism is driven by the power main shaft (34) to quantitatively take materials from the material storage box (37) and feed the packaging bags at the feeding station;
step two: the quantitative material taking mechanism drives the material receiving mechanism to receive the residual liquid products in the discharging pipe (28) and convey the collected liquid products to the material storage box (37);
step three: the auxiliary filling mechanism is driven by the material receiving mechanism to assist the quantitative material taking mechanism to take materials quickly.
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