Bag opening mechanism for packaging outer bag of paper extraction bag

By designing a bag-opening mechanism for the outer bags of tissue paper packaging and utilizing automated adsorption and movement technology, the problem of low manual bagging efficiency is solved, efficient automated loading of large tissue paper packaging bags is achieved, production efficiency is improved, and handling weight is reduced.

CN223341047UActive Publication Date: 2025-09-16DONGGUAN BAOXIN TECH CO LTD
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Patent Information

Application Number
CN202422906618.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-09-16
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

In the prior art, large tissue paper packaging bags need to be manually loaded into packaging boxes made of corrugated paper, resulting in heavy workload, low efficiency and increased handling weight.

Method used

A bag-opening mechanism for outer bags of tissue paper packaging has been designed, which includes a frame, a bag-moving device, a bag storage, a bag-feeding device, a bag-suction air duct, a reciprocating mechanism, a lifting mechanism and a telescopic mechanism. The bag opening and flattening are achieved through automatic adsorption and movement of packaging bags, and automatic loading is achieved in conjunction with a pushing device.

Benefits of technology

It realizes efficient and automatic loading of large tissue paper packaging bags, reduces manual operations, improves production efficiency and reduces handling weight.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model provides a bag opening mechanism for a packaging outer bag of a tissue package, which comprises a rack, a bag moving device, a bag warehouse and a bag conveying device, the bag moving device is provided with a reciprocating mechanism and a lifting mechanism, the bag conveying device is provided with a feeding mechanism and a telescopic mechanism, and the telescopic mechanism on the bag conveying device is used for retracting. The lifting mechanism located above the telescopic mechanism descends, a suction opening in the air suction pipe is attached to a packaging outer bag on the bag library and sucks the tail of the packaging outer bag, then the lifting mechanism ascends and sucks up the packaging outer bag together, the lifting mechanism moves towards the bag conveying device through the reciprocating mechanism, the packaging outer bag is flatly laid on the feeding belt, and then the packaging outer bag is conveyed to the conveying belt. The telescopic mechanism resets, an air suction pipe on the telescopic mechanism sucks the lower portion of a bag opening of the outer packaging bag, at the moment, the lifting mechanism descends to suck the upper portion of the bag opening of the outer packaging bag, then the lifting mechanism ascends and resets, at the moment, the bag opening of the packaging bag is completely opened, the large packaging bag can be loaded in cooperation with material pushing equipment, and efficient and intelligent production is achieved.
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Description

Technical Field

[0001] The embodiments of the utility model relate to, but are not limited to, the field of packaging equipment, and in particular to a bag opening mechanism for outer bags of tissue paper bags. Background Art

[0002] As we all know, tissue paper is packaged in independent small packages and then taken out for use by extraction. During the production process, multiple independent small packages need to be packaged together into a relatively large packaging bag before being sold. The large packaging bag loaded with multiple independent small packages of tissue paper also needs to be centrally packaged when leaving the factory so that it can be delivered to the destination intact.

[0003] Currently, large tissue paper bags are usually packed and then manually packed into boxes made of corrugated paper. This packaging process is not only labor-intensive and inefficient, but also increases the weight of the packaging. Utility Model Content

[0004] (1) Technical issues to be resolved

[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a bag opening mechanism for outer bags of tissue paper packaging, which solves the technical problem that large packaging bags for tissue paper are usually packaged and then manually loaded into a packaging box made of corrugated paper. The packaging process is not only labor-intensive and inefficient, but also increases the weight of the packaging.

[0006] (2) Technical solution

[0007] The purpose of the utility model is to provide a bag opening mechanism for outer bags of tissue paper packaging, which includes a frame, a bag moving device, a bag storage and a bag feeding device provided with a feeding belt arranged in the frame, the bag moving device is located above the bag feeding device, the bag storage is located below the bag feeding device, the bag moving device is provided with a reciprocating mechanism and a lifting mechanism, a reciprocating connecting plate is provided between the lifting mechanism and the reciprocating mechanism, the lifting mechanism is provided with a bag suction duct, the end of the bag suction duct is connected to an air suction pump, the suction port of the bag suction duct is directed toward the bag feeding device, the bag feeding device is provided with a feeding mechanism and a telescopic mechanism installed inside the feeding mechanism, the telescopic mechanism is provided with a suction pipe, the suction pipe is exposed at the end of the feeding mechanism, and a bag storage is provided below the telescopic mechanism.

[0008] Preferably, the reciprocating mechanism includes a reciprocating motor, a reciprocating belt, a reciprocating pressure plate, a reciprocating secondary wheel, a first crossbeam and a second crossbeam. The reciprocating motor is installed on the first crossbeam, the reciprocating secondary wheel is arranged at the lower end of the second crossbeam, a reciprocating belt is arranged between the output end of the reciprocating motor and the reciprocating secondary wheel, a reciprocating pressure plate is provided on the reciprocating belt, and the reciprocating pressure plate is fixed to the reciprocating connecting plate.

[0009] Preferably, two bag-moving slide bars are provided between the first crossbeam and the second crossbeam, and a reciprocating slider is sleeved on each of the bag-moving slide bars, and the lower end of the reciprocating slider is connected to the upper end surface of the reciprocating connecting plate.

[0010] Preferably, the lifting mechanism includes a lifting bracket, a lifting motor, a lifting belt, a lifting auxiliary wheel, a lifting pressure plate and a lifting connecting frame. The lifting bracket is arranged on the reciprocating connecting plate, the lifting motor is arranged at the lower end of the lifting bracket, the lifting auxiliary wheel is arranged at the upper end of the lifting bracket, the lifting belt is connected between the output end of the lifting motor and the lifting auxiliary wheel, the lifting belt is provided with a lifting pressure plate, and the lifting pressure plate is connected to the lifting connecting frame.

[0011] Preferably, the lifting connecting frame is provided with a lifting connecting plate, a lifting slide rod, a bearing mounting seat, a lifting slider and a bag suction connecting plate, a lifting slide rod is installed between the lifting connecting plate and the bag suction connecting plate, the lifting slide rod is inserted into and passes through the lifting slider, the lifting slider is installed on the bearing mounting seat, and the bearing mounting seat is fixed on the reciprocating connecting plate.

[0012] Preferably, bag suction ducts are provided on both sides of the bag suction connection plate, and a proximity switch is provided between the bag suction ducts.

[0013] Preferably, the telescopic mechanism is provided with a telescopic cylinder, the output end of the telescopic cylinder is provided with a telescopic connecting plate, the lower end of the telescopic connecting plate is fixed with a telescopic slider, the telescopic slider is connected to a telescopic slide rail, the lower end of the telescopic slide rail is installed with a support plate, feeding connecting plates are provided on both sides of the telescopic connecting plate, a fourth transmission shaft and a fifth transmission shaft are provided between the feeding connecting plates, a suction pipe is provided on one side of the fifth transmission shaft, and a suction barrel is provided on the other side of the fifth transmission shaft.

[0014] Preferably, the feeding mechanism includes a bag feeding inner frame and a feeding motor, a first transmission shaft, a second transmission shaft and a third transmission shaft installed and fixed on the bag feeding inner frame. The output end of the feeding motor is connected to the first transmission shaft through a transmission belt, and the second transmission shaft is arranged between the first transmission shaft and the third transmission shaft.

[0015] Preferably, the first transmission shaft, the second transmission shaft, the third transmission shaft and the fifth transmission shaft are arranged inside the feeding belt, and the fourth transmission shaft is arranged outside the feeding belt.

[0016] Preferably, a transmission box is further provided at the side end of the feeding mechanism.

[0017] (3) Beneficial effects

[0018] The telescopic mechanism on the bag feeding device retracts, and the lifting mechanism above the telescopic mechanism descends, so that the suction port on the suction pipe is attached to the outer bag on the bag warehouse and the tail of the outer bag is sucked. Then the lifting mechanism rises and sucks up the outer bag. The lifting mechanism is then moved toward the bag feeding device through the reciprocating mechanism, so that the outer bag is flat on the feeding belt, and the telescopic mechanism is reset, and the suction pipe on the telescopic mechanism sucks the bottom of the bag opening of the outer bag. At this time, the lifting mechanism descends and sucks the top of the bag opening of the outer bag, and then rises and resets. At this time, the bag opening of the bag is completely opened, and large bags can be loaded into the bag with the help of the pushing equipment, thereby achieving the purpose of automatic loading and realizing efficient and intelligent production. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the technical solution of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the technical solution of the present invention and do not constitute a limitation on the technical solution of the present invention.

[0020] Figure 1 This is a three-dimensional diagram of the installation status of the bag moving device and the bag feeding device of the bag opening mechanism for the outer bag of the tissue paper bag;

[0021] Figure 2 It is a three-dimensional diagram of the bag moving device of the bag opening mechanism used for the outer bag of the tissue paper bag;

[0022] Figure 3 It is a three-dimensional diagram of the bag feeding device of the bag opening mechanism used for the outer bag of the tissue paper bag;

[0023] Figure 4 It is a three-dimensional diagram of the telescopic mechanism of the bag opening mechanism used for the outer bag of the tissue paper bag;

[0024] Figure 5 The present invention is a three-dimensional diagram of the feeding mechanism of the bag opening mechanism used for the outer bag of the tissue paper bag.

[0025] Description of reference numerals:

[0026] 1. Bag transfer device;

[0027] 10. Reciprocating mechanism; 101. Reciprocating motor; 102. Reciprocating belt; 103. Reciprocating pressure plate; 104. Reciprocating auxiliary wheel; 105. First crossbeam; 106. Second crossbeam; 107. Bag transfer slide; 108. Reciprocating slider; 109. Reciprocating connecting plate;

[0028] 11. Lifting mechanism; 110. Lifting bracket; 111. Lifting motor; 112. Lifting belt; 113. Lifting auxiliary wheel; 114. Lifting pressure plate; 115. Lifting connecting plate; 116. Lifting slide bar; 117. Bearing mounting seat; 118. Lifting slider; 119. Bag suction connecting plate;

[0029] 2. Bag suction duct; 20. Suction port; 21. Proximity switch;

[0030] 3. Bag feeding device;

[0031] 30. Telescopic mechanism; 301. Telescopic cylinder; 302. Telescopic connecting plate; 303. Telescopic slider; 304. Telescopic slide rail; 305. Support plate; 306. Feed connecting plate; 307. Fourth transmission shaft; 308. Fifth transmission shaft; 309. Suction pipe; 310. Suction interface; 311. First suction port; 312. Suction barrel; 313. Suction connection hole; 314. Second suction port;

[0032] 31. Feeding mechanism; 311. Bag feeding inner frame; 312. Feeding motor; 313. First transmission shaft; 314. Second transmission shaft; 315. Third transmission shaft; 316. Transmission box; 317. Transmission belt;

[0033] 4. Feeding belt; 5. Outer packaging bag; 6. Support rod. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0035] The following is combined with Figures 1 to 5 , for further description, the utility model discloses a bag opening mechanism for packaging outer bags 5 of tissue paper bags, including a frame, a bag moving device 1, a bag storage and a bag feeding device 3 provided with a feeding belt 4 arranged in the frame, the bag moving device 1 is located above the bag feeding device 3 and is connected to a support rod 6, the bag storage is located below the bag feeding device 3, the bag moving device 1 is provided with a reciprocating mechanism 10 and a lifting mechanism 11, a reciprocating connecting plate 109 is provided between the lifting mechanism 11 and the reciprocating mechanism 10, the lifting mechanism 11 is provided with a bag suction duct 2, the bag suction duct 2 is a corrugated tube, and the bag suction duct 2 is provided with a suction port 20 facing the bag feeding device 3 The end of the bag suction duct 2 is connected to the suction pump, and the bag feeding device 3 is provided with a feeding mechanism 31 and a telescopic mechanism 30 installed inside the feeding mechanism 31. The end of the telescopic mechanism 30 is provided with a suction pipe 309, and the side end of the suction pipe 309 is provided with a suction interface 310 connected to the suction pump. The suction pipe 309 is exposed at the end of the feeding mechanism 31 and the upper end face thereof is provided with more than two first suction ports 311, so that the outer packaging bags 5 flatly laid on the feeding mechanism 31 are adsorbed on the feeding belt 4. A bag warehouse is provided below the telescopic mechanism 30, and the outer packaging bags 5 are provided to the bag opening mechanism through the bag warehouse.

[0036] In a preferred embodiment, the reciprocating mechanism 10 includes a reciprocating motor 101, a reciprocating belt 102, a reciprocating pressure plate 103, a reciprocating pulley 104, a first beam 105 and a second beam 106. The reciprocating motor 101 is installed on the first beam 105, the reciprocating pulley 104 is arranged at the lower end of the second beam 106, and a reciprocating belt 102 is arranged between the output end of the reciprocating motor 101 and the reciprocating pulley 104. A reciprocating pressure plate 103 is provided on the reciprocating belt 102, and the reciprocating pressure plate 103 is fixed on the reciprocating connecting plate 109; when the reciprocating motor 101 is running, the reciprocating pressure plate 103 fixed on the reciprocating belt 102 will drive the reciprocating connecting plate 109 to perform reciprocating motion, and the lifting mechanism 11 connected to the reciprocating connecting plate 109 will also move accordingly.

[0037] In a preferred embodiment, two bag-moving slides 107 are further provided between the first crossbeam 105 and the second crossbeam 106. A reciprocating slider 108 is sleeved on each bag-moving slide 107. The reciprocating slider 108 is a standard SCLM box-type linear bearing. The lower end of the reciprocating slider 108 is connected to the upper end surface of the reciprocating connecting plate 109 to ensure greater stability during the reciprocating motion.

[0038] In a preferred embodiment, the lifting mechanism 11 includes a lifting bracket 110, a lifting motor 111, a lifting belt 112, a lifting pulley 113, a lifting pressure plate 114 and a lifting connecting frame. The lifting bracket 110 is arranged on the reciprocating connecting plate 109. Driven by the reciprocating mechanism 10, the lifting mechanism 11 installed on the reciprocating connecting plate 109 will also move accordingly. The lifting motor 111 is arranged at the lower end of the lifting bracket 110, and the lifting pulley 113 is arranged at the upper end of the lifting bracket 110. The lifting belt 112 is connected between the output end of the lifting motor 111 and the lifting pulley 113. A lifting pressure plate 114 is provided on the lifting belt 112, and the lifting pressure plate 114 is connected to the lifting connecting frame. The lifting pressure plate 114 will move up and down with the lifting belt 112 under the drive of the lifting motor 111, and the lifting connecting frame fixed on the lifting pressure plate 114 will also move up and down with the lifting belt 112.

[0039] In a preferred embodiment, the lifting connecting frame is provided with a lifting connecting plate 115, a lifting slide 116, a bearing mounting seat 117, a lifting slider 118 and a suction bag connecting plate 119. A lifting slide 116 is installed between the lifting connecting plate 115 and the suction bag connecting plate 119. The lifting slide 116 is inserted into and passes through the lifting slider 118. The lifting slider 118 is a linear motion bearing. The lifting slider 118 is mounted on the bearing mounting seat 117. The bearing mounting seat 117 is fixed on the reciprocating connecting plate 109. The lifting slide 116 will move up and down along with the lifting belt 112 under the drive of the lifting motor 111.

[0040] In a preferred embodiment, the two sides of the outer bag 5 of the packaging are adsorbed by the bag suction ducts 2 arranged on both sides of the bag suction connecting plate 119, so as to better spread the outer bag 5 of the packaging on the feeding belt 4. A proximity switch 21 is provided between the bag suction ducts 2 to limit the stroke of the lifting mechanism 11.

[0041] In a preferred embodiment, the telescopic mechanism 30 is provided with a telescopic cylinder 301, and a telescopic connecting plate 302 is provided at the output end of the telescopic cylinder 301. A telescopic slider 303 is fixed to the lower end of the telescopic connecting plate 302. The telescopic slider 303 is connected to a telescopic slide rail 304. A support plate 305 is installed at the lower end of the telescopic slide rail 304. The support plate 305 is installed on the frame. Feed connecting plates 306 are provided on both sides of the telescopic connecting plate 302. A fourth transmission shaft 307 and a fifth transmission shaft 308 are provided between the feed connecting plates 306. A suction pipe 309 is provided on one side of the fifth transmission shaft 308, and a suction barrel 312 is provided on the other side of the fifth transmission shaft 308. A suction connection hole 313 is provided at the side end of the suction barrel 312, and an air suction pump is connected through the suction connection hole 313. In addition, more than two second suction ports 314 are provided on the upper end face of the suction barrel 312. The second suction ports 314 are used to assist in adsorbing the outer packaging bag 5 laid flat on the feeding belt 4 through the hollow part provided by the feeding belt 4, so that the opening process of the outer packaging bag 5 is smoother.

[0042] In a preferred embodiment, the feeding mechanism 31 includes a bag feeding inner frame 311 and a feeding motor 312, a first transmission shaft 313, a second transmission shaft 314 and a third transmission shaft 315 installed and fixed on the bag feeding inner frame 311. The output end of the feeding motor 312 is connected to the first transmission shaft 313 through a transmission belt 317, and the second transmission shaft 314 is arranged between the first transmission shaft 313 and the third transmission shaft 315.

[0043] In a preferred embodiment, the first transmission shaft 313 , the second transmission shaft 314 , the third transmission shaft 315 and the fifth transmission shaft 308 are arranged inside the feed belt 4 , and the fourth transmission shaft 307 is arranged outside the feed belt 4 .

[0044] In a preferred embodiment, a transmission box 316 is further provided at the side end of the feeding mechanism 31 to protect the transmission structure of the feeding mechanism 31 .

[0045] The telescopic mechanism 30 on the bag feeding device 3 is retracted in the opposite direction of the bag warehouse, and the lifting mechanism 11 located above the telescopic mechanism 30 descends, and the suction port 20 on the suction pipe 309 is attached to the packaging outer bag 5 on the bag warehouse and the tail of the packaging outer bag 5 is sucked. Then the lifting mechanism 11 rises and sucks up the packaging outer bag 5, and then the reciprocating mechanism 10 moves the lifting mechanism 11 toward the bag feeding device 3, so that the packaging outer bag 5 is flat on the feeding belt 4, and the telescopic mechanism 30 is reset toward the bag warehouse, and the suction pipe 309 on the telescopic mechanism 30 sucks the bottom of the bag opening of the packaging outer bag 5. At this time, the lifting mechanism 11 descends and sucks the top of the bag opening of the packaging outer bag 5, and then rises and resets. At this time, the bag opening of the packaging bag is completely opened, and the large packaging bag can be loaded into it in conjunction with the pushing equipment, thereby achieving the purpose of automatic loading and realizing efficient and intelligent production.

[0046] It should be further explained that the structure of the bag storage can refer to Chinese patent CN2020231682101, which is named single-motor driven double-position bag storage device.

[0047] Although the technical solution according to the present invention has been described with reference to a number of different embodiments, aspects and features, it is not intended to limit the scope of the present invention, but all modifications thereof are within the broad scope of the foregoing disclosure, drawings and claims.

Claims

1. A bag-opening mechanism for outer bags of tissue paper packaging, comprising a frame, a bag-moving device, a bag-storage unit, and a bag-feeding device provided with a feeding belt arranged within the frame, wherein the bag-moving device is located above the bag-feeding device, and the bag-storage unit is located below the bag-feeding device, characterized in that: The bag moving device is provided with a reciprocating mechanism and a lifting mechanism, a reciprocating connecting plate is provided between the lifting mechanism and the reciprocating mechanism, the lifting mechanism is provided with a bag suction duct, the bag suction duct has a suction port facing the bag feeding device, the bag feeding device is provided with a feeding mechanism and a telescopic mechanism installed inside the feeding mechanism, the telescopic mechanism is provided with a suction pipe, the suction pipe is exposed at the end of the feeding mechanism, and a bag storage is provided below the telescopic mechanism.

2. The bag opening mechanism for the outer bag of a tissue paper bag according to claim 1, characterized in that: The reciprocating mechanism includes a reciprocating motor, a reciprocating belt, a reciprocating pressure plate, a reciprocating secondary wheel, a first crossbeam and a second crossbeam. The reciprocating motor is installed on the first crossbeam, the reciprocating secondary wheel is arranged at the lower end of the second crossbeam, a reciprocating belt is arranged between the output end of the reciprocating motor and the reciprocating secondary wheel, a reciprocating pressure plate is provided on the reciprocating belt, and the reciprocating pressure plate is fixed to the reciprocating connecting plate.

3. The bag opening mechanism for the outer bag of a tissue paper bag according to claim 2, characterized in that: Two bag-moving slide bars are further provided between the first crossbeam and the second crossbeam. A reciprocating slider is sleeved on each of the bag-moving slide bars. The lower ends of the reciprocating sliders are connected to the upper end surface of the reciprocating connecting plate.

4. The bag opening mechanism for the outer bag of a tissue paper bag according to claim 1, characterized in that: The lifting mechanism includes a lifting bracket, a lifting motor, a lifting belt, a lifting auxiliary wheel, a lifting pressure plate and a lifting connecting frame. The lifting bracket is arranged on the reciprocating connecting plate, the lifting motor is arranged at the lower end of the lifting bracket, the lifting auxiliary wheel is arranged at the upper end of the lifting bracket, the lifting belt is connected between the output end of the lifting motor and the lifting auxiliary wheel, the lifting belt is provided with a lifting pressure plate, and the lifting pressure plate is connected to the lifting connecting frame.

5. The bag opening mechanism for the outer bag of a tissue paper bag according to claim 4, characterized in that: The lifting connecting frame is provided with a lifting connecting plate, a lifting slide rod, a bearing mounting seat, a lifting slider and a bag suction connecting plate. A lifting slide rod is installed between the lifting connecting plate and the bag suction connecting plate. The lifting slide rod is inserted into and passes through the lifting slider. The lifting slider is installed on the bearing mounting seat, and the bearing mounting seat is fixed to the reciprocating connecting plate.

6. The bag opening mechanism for the outer bag of a tissue paper bag according to claim 5, characterized in that: Bag suction ducts are provided on both sides of the bag suction connecting plate, and a proximity switch is provided between the bag suction ducts.

7. The bag opening mechanism for the outer bag of a tissue paper bag according to claim 1, characterized in that: The telescopic mechanism is provided with a telescopic cylinder, the output end of the telescopic cylinder is provided with a telescopic connecting plate, the lower end of the telescopic connecting plate is fixed with a telescopic slider, the telescopic slider is connected to a telescopic slide rail, the lower end of the telescopic slide rail is installed with a support plate, feeding connecting plates are provided on both sides of the telescopic connecting plate, a fourth transmission shaft and a fifth transmission shaft are provided between the feeding connecting plates, a suction pipe is provided on one side of the fifth transmission shaft, and a suction barrel is provided on the other side of the fifth transmission shaft, the fifth transmission shaft is provided inside the feeding belt, and the fourth transmission shaft is provided outside the feeding belt.

8. The bag opening mechanism for the outer bag of a tissue paper bag according to claim 1, characterized in that: The feeding mechanism includes a bag feeding inner frame and a feeding motor, a first transmission shaft, a second transmission shaft and a third transmission shaft installed and fixed on the bag feeding inner frame. The output end of the feeding motor is connected to the first transmission shaft through a transmission belt. The second transmission shaft is arranged between the first transmission shaft and the third transmission shaft. The first transmission shaft, the second transmission shaft and the third transmission shaft are arranged inside the feeding belt.

9. The bag opening mechanism for the outer bag of a tissue paper bag according to claim 1, characterized in that: A transmission box is also provided at the side end of the feeding mechanism.