CN111232317A - Packing closing device is used in chemical fertilizer production - Google Patents

Packing closing device is used in chemical fertilizer production Download PDF

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Publication number
CN111232317A
CN111232317A CN202010125318.8A CN202010125318A CN111232317A CN 111232317 A CN111232317 A CN 111232317A CN 202010125318 A CN202010125318 A CN 202010125318A CN 111232317 A CN111232317 A CN 111232317A
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CN
China
Prior art keywords
fixedly connected
box
base
packaging
fertilizer production
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010125318.8A
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Chinese (zh)
Inventor
刘炳涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Yushui Biotechnology Co ltd
Original Assignee
Suzhou Yushui Biotechnology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Yushui Biotechnology Co ltd filed Critical Suzhou Yushui Biotechnology Co ltd
Priority to CN202010125318.8A priority Critical patent/CN111232317A/en
Publication of CN111232317A publication Critical patent/CN111232317A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/46Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
    • B65B43/465Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers for bags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/30Devices or methods for controlling or determining the quantity or quality or the material fed or filled
    • B65B1/32Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10Applying or generating heat or pressure or combinations thereof
    • B65B51/22Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B57/00Automatic control, checking, warning, or safety devices
    • B65B57/10Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
    • B65B57/14Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of articles or material to be packaged
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/28Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for discharging completed packages from machines

Abstract

The invention discloses a packaging and sealing device for fertilizer production, which comprises a base, a support frame, a material box and a packaging bag, wherein the left side of the base is fixedly connected with the right side of the support frame through soldering tin, the top of the right side of the support frame is fixedly connected with the left side of the material box, two sides of the bottom of the material box are fixedly connected with a fixed box, one side of the fixed box is fixedly connected with a driving box, the bottom of the inner cavity of the driving box is fixedly connected with a sliding rail, and a sliding groove is formed in the sliding rail. This packing closing device is used in chemical fertilizer production can press from both sides the tight flare-out of both sides with the wrapping bag, and the material can be better enters into the wrapping bag through the discharging pipe like this, has prevented that the material from spilling, has reduced the waste of material, and can be automatic with wrapping bag propelling movement to conveyer belt after sealing, has reduced staff's intensity of labour, safe and reliable, and convenient to use person seals the wrapping bag through heat seal mechanism.

Description

Packing closing device is used in chemical fertilizer production
Technical Field
The invention relates to the technical field of fertilizer production, in particular to a packaging and sealing device for fertilizer production.
Background
The chemical fertilizer refers to a fertilizer prepared by chemically manufacturing or mining ores and processing, is also called an inorganic fertilizer and comprises a nitrogenous fertilizer, a phosphate fertilizer, a potash fertilizer, a trace element fertilizer, a compound fertilizer and the like, and has the following common characteristics: simple components, high nutrient content, quick fertilizer effect and strong fertilizer effect, and is an essential working procedure for packaging and sealing in the production process of the fertilizer.
Patent publication No. CN105691724A discloses a chemical fertilizer screening and packaging device, including support, hopper, capper, agitating unit, sieving mechanism and spout, generally, the invention is simple in construction, make simple installation, can separate out caking chemical fertilizer in the chemical fertilizer effectively, prevent caking chemical fertilizer from entering into the wrapping bag, thus promote the quality of the chemical fertilizer produced, have advantage of the high use value.
Patent publication No. CN204701772U discloses a chemical fertilizer wrapping bag automatic filling closing device, including casing, tuber pipe negative pressure updraft ventilator, tuber pipe, charging hole, four-way pipe, pivot, feeding conveyer belt, heat sealing device, ejection of compact conveyer belt, rotating electrical machines and four-way pipe negative pressure updraft ventilator. The excessive dependence on operators is reduced in the production and packaging links, the automation of the packaging links is realized, and the enterprise productivity is greatly improved.
Synthesize above-mentioned patent, both do not have concrete explanation to the wrapping bag feeding, because the direct feeding of wrapping bag, the material can spill all around through the wrapping bag, causes the waste of material, and the material is after the encapsulation is accomplished, needs the manual work to take off the material that has packed, does not carry out detailed description to it when taking out automatically, consequently, need to solve fertilizer package and seal the problem that the in-process material spills easily and needs manual handling.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a packaging and sealing device for fertilizer production, which solves the problems that the packaging and sealing device is easy to leak and needs to be carried manually during feeding.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a chemical fertilizer production is with packing closing device, includes base, support frame, workbin and wrapping bag, soldering tin fixed connection is passed through on the left side of base and the right side of support frame, the top on support frame right side and the left side fixed connection of workbin, the equal fixedly connected with fixed case in both sides of workbin bottom to one side fixedly connected with drive case of fixed case, the bottom fixedly connected with slide rail of drive case inner chamber, and the inside spout has been seted up to the slide rail, the inner wall sliding connection slider of spout, and the top fixedly connected with tooth board of slider, the top of drive case inner chamber is through backup pad fixedly connected with motor, and the output fixedly connected with gear of motor, the bottom of gear meshes with the top of tooth board, one side of tooth board runs through the drive case and extends to the outside of drive case to tooth board extends to the first splint of one side fixedly connected with outside the drive case, the surface of first splint contacts with the inner wall of wrapping bag, the first electric telescopic handle of backup pad fixedly connected with is passed through to base inner chamber's bottom to shaft coupling fixedly connected with connecting plate is passed through to first electric telescopic handle's output, the top of connecting plate runs through the base and extends to the top of base, and the fixed surface that the connecting plate extended to the base top is connected with the push pedal.
Preferably, one side of the driving box close to the first clamping plate is fixedly connected with a second clamping plate.
Preferably, one side of the inner cavity of the fixed box is fixedly connected with a second electric telescopic rod, the output end of the second electric telescopic rod penetrates through the fixed box and extends to the outside of the fixed box, and the second electric telescopic rod extends to one end of the outside of the fixed box and is fixedly connected with a heat sealing mechanism.
Preferably, the right side of the base is fixedly connected with a conveyor belt through a support plate.
Preferably, the top intercommunication of workbin has the feeder hopper, the bottom of workbin just is located the intercommunication between two fixed casees and has the discharging pipe to the discharging pipe is located the wrapping bag directly over.
Preferably, the inside of discharging pipe is provided with solenoid valve, the case is placed to the left side fixedly connected with of support frame to the top fixedly connected with display screen of placing the case, the bottom fixedly connected with button of display screen, the left side fixedly connected with electronic box of base inner chamber bottom to the inside fixedly connected with microprocessor of electronic box, the top of base just is located the bottom fixedly connected with pressure sensor of wrapping bag.
Preferably, the output end of the pressure sensor is connected with the input end of the microprocessor, the output end of the microprocessor is connected with the input end of the electromagnetic valve and the input end of the display screen, and the output end of the key is connected with the input end of the microprocessor.
Preferably, the surface of the placing box is fixedly connected with a box door.
(III) advantageous effects
The invention provides a packaging and sealing device for fertilizer production. The method has the following beneficial effects:
(1) the packaging and sealing device for fertilizer production is characterized in that one side of a tooth plate penetrates through a driving box and extends to the outside of the driving box, a first clamping plate is fixedly connected to one side of the tooth plate extending to the outside of the driving box, the surface of the first clamping plate is contacted with the inner wall of a packaging bag, a first electric telescopic rod is fixedly connected to the bottom of an inner cavity of a base through a supporting plate, the output end of the first electric telescopic rod is fixedly connected with a connecting plate through a coupler, the top of the connecting plate penetrates through the base and extends to the top of the base, and a push plate is fixedly connected to the surface of the connecting plate extending to the top of the base and can clamp and straighten two sides of the packaging bag, so that materials can better enter the packaging bag through a discharge pipe, the materials are prevented from leaking, the waste of the materials is reduced, the sealed packaging bag can be automatically pushed, is safe and reliable.
(2) This packing closing device is used in chemical fertilizer production, one side fixedly connected with second electric telescopic handle through the fixed incasement chamber, second electric telescopic handle's output runs through fixed case and extends to the outside of fixed case to second electric telescopic handle extends to the outside one end fixedly connected with heat seal mechanism of fixed case, and convenient to use person seals the wrapping bag through heat seal mechanism, and degree of automation is high.
(3) This packing closing device is used in chemical fertilizer production, inside through the discharging pipe is provided with solenoid valve, the case is placed to the left side fixedly connected with of support frame, and the top fixedly connected with display screen of placing the case, the bottom fixedly connected with button of display screen, the left side fixedly connected with electronic box of base inner chamber bottom, and the inside fixedly connected with microprocessor of electronic box, the top of base just is located the bottom fixedly connected with pressure sensor of wrapping bag, the user can adjust the material quantity that the wrapping bag needs the packing, and can the automatic shutdown reinforced.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the stationary box structure of the present invention;
FIG. 3 is a cross-sectional view of the drive case structure of the present invention;
FIG. 4 is a perspective view of the slide rail and slide block configuration of the present invention;
FIG. 5 is a cross-sectional view of a base structure of the present invention;
fig. 6 is a schematic block diagram of the architecture of the system of the present invention.
In the figure, 1, a base; 2. a support frame; 3. a material box; 4. packaging bags; 5. a fixed box; 6. a drive box; 7. a slide rail; 8. a chute; 9. a slider; 10. a tooth plate; 11. a motor; 12. a gear; 13. a first splint; 14. a first electric telescopic rod; 15. a connecting plate; 16. pushing the plate; 17. a second splint; 18. a second electric telescopic rod; 19. a heat seal mechanism; 20. a conveyor belt; 21. a feed hopper; 22. a discharge pipe; 23. an electromagnetic valve; 24. placing a box; 25. a display screen; 26. pressing a key; 27. an electric box; 28. a microprocessor; 29. a pressure sensor.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 3-5, an embodiment of the present invention provides a technical solution: a packaging and sealing device for fertilizer production comprises a base 1, a support frame 2, a material box 3 and a packaging bag 4, wherein the left side of the base 1 is fixedly connected with the right side of the support frame 2 through soldering tin, the top of the right side of the support frame 2 is fixedly connected with the left side of the material box 3, two sides of the bottom of the material box 3 are fixedly connected with a fixed box 5, one side of the fixed box 5 is fixedly connected with a driving box 6, the bottom of the inner cavity of the driving box 6 is fixedly connected with a sliding rail 7, a sliding groove 8 is formed in the sliding rail 7, the inner wall of the sliding groove 8 is slidably connected with a sliding block 9, under the action of the sliding groove 8 and the sliding block 9, a tooth plate 10 can move at the top of the sliding rail 7, the top of the sliding block 9 is fixedly connected with a tooth plate 10, the top of the inner cavity of the driving box 6 is fixedly connected with a motor, therefore, the first clamping plate 13 and the second clamping plate 17 can be loosened, the output end of the motor 11 is fixedly connected with the gear 12, the bottom of the gear 12 is meshed with the top of the tooth plate 10, one side of the tooth plate 10 penetrates through the driving box 6 and extends to the outside of the driving box 6, one side of the tooth plate 10 extending to the outside of the driving box is fixedly connected with the first clamping plate 13, the surface of the first clamping plate 13 is contacted with the inner wall of the packaging bag 4, the bottom of the inner cavity of the base 1 is fixedly connected with the first electric telescopic rod 14 through the supporting plate, the motor 11 drives the gear 12 to rotate after being started, the tooth plate 10 moves because the gear 12 is meshed with the tooth plate 10, the tooth plate 10 moves because the tooth plate 10 moves under the limiting action of the sliding rail 7 and the sliding block 9, the tooth plate 10 moves at the top of the sliding rail 7 linearly, the movement of the first clamping plate 13 is further driven, and the output end of the first electric, the top of the connecting plate 15 penetrates through the base 1 and extends to the top of the base 1, a push plate 16 is fixedly connected to the surface of the connecting plate 15 extending to the top of the base 1, and the push plate 16 can push the sealed packaging bag 4 to a conveyor belt 20 to be conveyed to the next process.
Referring to fig. 1-3, a second clamping plate 17 is fixedly connected to one side of the driving box 6 close to the first clamping plate 13, a second electric telescopic rod 18 is fixedly connected to one side of the inner cavity of the fixed box 5, an output end of the second electric telescopic rod 18 penetrates through the fixed box 5 and extends to the outside of the fixed box 5, a heat sealing mechanism 19 is fixedly connected to one end of the second electric telescopic rod 18 extending to the outside of the fixed box 5, the heat generated by high-frequency heating of the heat sealing mechanism 19 is mainly generated by the action of electromagnetic field changes of tens of thousands, hundreds of thousands, even hundreds of millions of times per second on an object, and is widely applied in modern industrial production, the equipment of the high-frequency medium heating technology applied to plastic packaging is a high-frequency heat sealing machine, namely a heat sealing machine, a conveyor belt 20 is fixedly connected to the right side of the base 1 through a supporting plate, a feed hopper 21 is communicated with the top of the material box 3, and the spout 22 is positioned directly above the package 4.
Please refer to fig. 1 and 5, an electromagnetic valve 23 is disposed inside the discharging pipe 22, a left side fixedly connected with the supporting frame 2 is provided with a placing box 24, a top fixedly connected with a display screen 25 of the placing box 24, a bottom fixedly connected with a button 26 of the display screen 25, a left side fixedly connected with an electric box 27 at the bottom of the inner cavity of the base 1, and an inside fixedly connected with a microprocessor 28 of the electric box 27, the model of the microprocessor 28 is ARM9, the bottom fixedly connected with a pressure sensor 29 at the top of the base 1 and located in the packaging bag 4, and the model of the pressure sensor 29 is PTG 501.
Referring to fig. 6, the output end of the pressure sensor 29 is connected to the input end of the microprocessor 28, the output end of the microprocessor 28 is connected to the input end of the electromagnetic valve 23 and the input end of the display screen 25, the output end of the button 26 is connected to the input end of the microprocessor 28, the pressure sensor 29 monitors the weight of the packaging bag 4 in real time and transmits the weight to the microprocessor 28, and when the monitored weight is consistent with the weight preset by the user through the button 26, the microprocessor 28 controls the electromagnetic valve 23 to close to stop the material from entering the packaging bag 4.
Referring to fig. 1, a door is fixedly connected to a surface of the placing box 24, and a user can open the door and then place some tools to be used inside the placing box 24.
When the packaging bag is used, a user can firstly place the packaging bag 4 between the two second clamping plates 17, then the motor 11 is started, the motor 11 can drive the gear 12 to rotate after being started, the gear 12 is meshed with the tooth plate 10, so that the tooth plate 10 can also move, under the limiting action of the sliding rail 7 and the sliding block 9, the tooth plate 10 can linearly move at the top of the sliding rail 7, the first clamping plate 13 is further driven to move, under the interaction of the first clamping plate 13 and the second clamping plate 17, the two sides of the packaging bag 4 can be well clamped, materials can conveniently enter the packaging bag 4, then the user can lead the materials into the interior of the material box 3 through the feeding hopper 21 and then enter the interior of the packaging bag 4 through the discharging pipe 22, the pressure sensor 29 can monitor the weight of the packaging bag 4 in real time and then transmit the weight to the microprocessor 28, when the monitored weight is consistent with the weight preset by the user through the button 26, at this moment, the microprocessor 28 controls the electromagnetic valve 23 to be closed, the material is stopped to enter the packaging bag 4, at this moment, the user can start the second electric telescopic rod 18, the second electric telescopic rod 18 can drive the heat sealing mechanism 19 to move after being started, so that the heat sealing mechanism 19 can seal the packaging bag 4, after the sealing is finished, the user loosens the first clamping plate 13 and the second clamping plate 17 through the motor 11, then the first electric telescopic rod 14 is started, the first electric telescopic rod 14 can drive the connecting plate 15 to move after being started, and further the push plate 16 is driven to move, so that the push plate 16 can push the sealed packaging bag 4 to the conveyor belt 20 to be conveyed to the next process.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a chemical fertilizer production is with packing closing device, includes base (1), support frame (2), workbin (3) and wrapping bag (4), soldering tin fixed connection is passed through with the right side of support frame (2) in the left side of base (1), the top on support frame (2) right side and the left side fixed connection of workbin (3), its characterized in that: the automatic feeding device is characterized in that fixed boxes (5) are fixedly connected to two sides of the bottom of the feed box (3), a driving box (6) is fixedly connected to one side of each fixed box (5), a sliding rail (7) is fixedly connected to the bottom of the inner cavity of each driving box (6), a sliding groove (8) is formed in the sliding rail (7), a sliding block (9) is slidably connected to the inner wall of the sliding groove (8), a tooth plate (10) is fixedly connected to the top of the sliding block (9), a motor (11) is fixedly connected to the top of the inner cavity of each driving box (6) through a supporting plate, a gear (12) is fixedly connected to the output end of the motor (11), the bottom of the gear (12) is meshed with the top of the tooth plate (10), one side of the tooth plate (10) penetrates through the driving boxes (6) and extends to the outside of the driving boxes (6), and a first clamping plate (13) is fixedly connected to one side of, the surface of first splint (13) and the inner wall contact of wrapping bag (4), the first electric telescopic handle (14) of backup pad fixedly connected with is passed through to the bottom of base (1) inner chamber to the output of first electric telescopic handle (14) passes through shaft coupling fixedly connected with connecting plate (15), the top of connecting plate (15) is run through base (1) and is extended to the top of base (1), and connecting plate (15) extend to the fixed surface at base (1) top and be connected with push pedal (16).
2. The packaging and sealing device for fertilizer production as claimed in claim 1, wherein: one side of the driving box (6) close to the first clamping plate (13) is fixedly connected with a second clamping plate (17).
3. The packaging and sealing device for fertilizer production as claimed in claim 1, wherein: one side fixedly connected with second electric telescopic handle (18) of fixed case (5) inner chamber, the output of second electric telescopic handle (18) runs through fixed case (5) and extends to the outside of fixed case (5) to second electric telescopic handle (18) extend to the outside one end fixedly connected with heat seal mechanism (19) of fixed case (5).
4. The packaging and sealing device for fertilizer production as claimed in claim 1, wherein: the right side of the base (1) is fixedly connected with a conveyor belt (20) through a support plate.
5. The packaging and sealing device for fertilizer production as claimed in claim 1, wherein: the top intercommunication of workbin (3) has feeder hopper (21), the bottom of workbin (3) just is located between two fixed casees (5) intercommunication and has discharging pipe (22) to discharging pipe (22) are located wrapping bag (4) directly over.
6. The packaging and sealing device for fertilizer production as claimed in claim 5, wherein: the inside of discharging pipe (22) is provided with solenoid valve (23), case (24) are placed to the left side fixedly connected with of support frame (2) to the top fixedly connected with display screen (25) of placing case (24), the bottom fixedly connected with button (26) of display screen (25), the left side fixedly connected with electronic box (27) of base (1) inner chamber bottom to the inside fixedly connected with microprocessor (28) of electronic box (27), the top of base (1) and the bottom fixedly connected with pressure sensor (29) that are located wrapping bag (4).
7. The packaging and sealing device for fertilizer production as claimed in claim 6, wherein: the output end of the pressure sensor (29) is connected with the input end of the microprocessor (28), the output end of the microprocessor (28) is connected with the input end of the electromagnetic valve (23) and the input end of the display screen (25), and the output end of the key (26) is connected with the input end of the microprocessor (28).
8. The packaging and sealing device for fertilizer production as claimed in claim 6, wherein: the surface of the placing box (24) is fixedly connected with a box door.
CN202010125318.8A 2020-02-27 2020-02-27 Packing closing device is used in chemical fertilizer production Withdrawn CN111232317A (en)

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CN202010125318.8A CN111232317A (en) 2020-02-27 2020-02-27 Packing closing device is used in chemical fertilizer production

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CN112373825A (en) * 2020-10-19 2021-02-19 刘亚格 Bagging equipment for cement processing
CN114408293A (en) * 2021-12-24 2022-04-29 宁夏昊王米业集团有限公司 Closing device is used to rice packing

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CN112373825A (en) * 2020-10-19 2021-02-19 刘亚格 Bagging equipment for cement processing
CN112373825B (en) * 2020-10-19 2022-04-19 沂水县第二水泥厂 Bagging equipment for cement processing
CN114408293A (en) * 2021-12-24 2022-04-29 宁夏昊王米业集团有限公司 Closing device is used to rice packing
CN114408293B (en) * 2021-12-24 2024-01-30 宁夏昊王米业集团有限公司 Sealing device for rice packaging

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Application publication date: 20200605