Bag body opening folding device and method

Abstract

The invention aims at disclosing a bag body opening folding device and method, and relates to the technical field of notebook computer bagging, the bag body opening folding device comprises a bag body supporting platform, a bag opening folding assembly and a bag body clamping assembly; the bag opening folding assembly comprises a first overturning assembly and a second overturning assembly. The first overturning assembly comprises a first rotating shaft, a first folding plate, a first telescopic cylinder and a first telescopic plate. The second overturning assembly comprises a second rotating shaft, a second folding plate, a second telescopic cylinder and a second telescopic plate; the first rotating shaft and the second rotating shaft rotate synchronously; the bag body clamping assembly comprises a gantry support, a first clamping jaw and a second clamping jaw, the first clamping jaw clamps one side of the bag body from a gap between the first telescopic plate and the second telescopic plate, and the second clamping jaw clamps the other side of the bag body. The clamping action and 180-degree overturning of the bag body are both considered, so that the folded bag opening is kept in a folded state without being adhered by an adhesive tape.

Description

Technical Field

[0001] The invention relates to the technical field of notebook computer bagging, in particular to a bag folding device and method. Background Art

[0002] Before the laptop is put into the box, it needs to be covered with a bag, the opening of the bag needs to be folded and temporarily fixed, and then the bag with the folded opening is put into the box. At present, this operation is mainly performed manually, and the degree of automation is not high.

[0003] In view of this, it is necessary to develop a bag folding device and method. Summary of the invention

[0004] In order to solve the above technical problems, the purpose of the present invention is to disclose a bag folding device and method.

[0005] The first object of the present invention is to provide a bag folding device.

[0006] The second object of the present invention is to provide a bag folding method.

[0007] To achieve the above first invention objective, the present invention provides a bag folding device, comprising a bag support platform, a bag folding assembly and a bag clamping assembly;

[0008] The bag contains a laptop computer;

[0009] The bag opening folding assembly is arranged at the end of the bag body supporting platform and close to the bag opening of the bag body;

[0010] The bag folding mouth assembly includes a first flip assembly and a second flip assembly, the first flip assembly includes a first rotating shaft, a first folding plate, a first telescopic cylinder and a first telescopic plate, the first telescopic cylinder drives the first telescopic plate to extend and expand or reduce the length of the bag folding mouth of the first folding plate, and the first rotating shaft drives the first folding plate to rotate between 0°-180°;

[0011] The second flip assembly includes a second rotating shaft, a second folding plate, a second telescopic cylinder and a second telescopic plate, wherein the second telescopic cylinder drives the second telescopic plate to extend and retract and expand or reduce the length of the folding opening of the second folding plate, and the second rotating shaft drives the second folding plate to rotate between 0° and 180°;

[0012] The first rotating shaft and the second rotating shaft rotate synchronously;

[0013] The bag body clamping assembly includes a gantry bracket and a first clamping jaw and a second clamping jaw arranged on both sides of the gantry bracket. The first clamping jaw clamps one side of the bag body from the gap between the first telescopic plate and the second telescopic plate, and the second clamping jaw clamps the other side of the bag body.

[0014] Preferably, a translation module is arranged below the bag body supporting platform, and the translation module drives the bag body supporting platform to approach or move away from the bag folding mouth assembly.

[0015] Preferably, the first folding plate is provided with a plurality of first hollow portions, the first telescopic plate is provided with a plurality of second hollow portions, and the first hollow portions and the second hollow portions are staggered.

[0016] Preferably, the second folding plate is provided with a plurality of third hollow portions, the second telescopic plate is provided with a plurality of fourth hollow portions, and the third hollow portions and the fourth hollow portions are staggered.

[0017] Preferably, the first rotating shaft is mounted on the first bracket, a through shaft is also mounted on the first bracket, and the first rotating shaft and the driven end of the through shaft are driven by a first belt;

[0018] The second rotating shaft is mounted on the second bracket, and the second rotating shaft and the active end of the through shaft are driven by a second belt;

[0019] The through shaft is driven by a first motor.

[0020] Preferably, the gantry support comprises a horizontal portion and a first vertical portion and a second vertical portion arranged at both ends of the horizontal portion;

[0021] A third belt is arranged below the horizontal portion, and a first connecting plate and a second connecting plate are arranged on the third belt;

[0022] The third belt drives the first connecting plate and the second connecting plate to move closer to or farther from each other;

[0023] The first connecting plate drives the first vertical portion to move, and the second connecting plate drives the second vertical portion to move.

[0024] Preferably, a second motor and a first rotating part driven by the second motor are arranged at the bottom end of the first vertical part, and the second clamping claw is installed on the first rotating part;

[0025] A second rotating portion is arranged at the bottom end of the second vertical portion, and the first clamping claw is installed on the second rotating portion.

[0026] Preferably, when the rotation angle of the first rotating shaft and the second rotating shaft is 0°, the distance between the first telescopic plate and the second telescopic plate is L1;

[0027] When the rotation angle of the first rotating shaft and the second rotating shaft is 180°, the distance between the first telescopic plate and the second telescopic plate is L2, and L1<L2.

[0028] Preferably, the distance L2 can accommodate the width of the first jaw.

[0029] Based on the same inventive principle, in order to achieve the above second inventive object, the present invention provides a bag folding method, which adopts the bag folding device described in the first invention, and comprises the following steps:

[0030] Putting a laptop computer into the bag body and placing the bag body on the bag body support platform;

[0031] The first telescopic plate and the second telescopic plate are extended at the same time, the first rotating shaft and the second rotating shaft are synchronously rotated 180 degrees, and the first folding plate, the first telescopic plate, the second telescopic plate and the second folding plate simultaneously turn over and press the bag opening;

[0032] The first telescopic plate and the second telescopic plate are retracted simultaneously, so that there is a gap between the first telescopic plate and the second telescopic plate;

[0033] The first clamping jaw and the second clamping jaw are close to each other, the first clamping jaw clamps one side of the bag body from the gap, and the second clamping jaw clamps the other side of the bag body;

[0034] The first rotating shaft and the second rotating shaft rotate 180 degrees to release the bag body;

[0035] The first clamp and the second clamp move the bag body, and the first clamp and the second clamp rotate 180 degrees and place the bag body at the next workstation, and the folded bag opening of the bag body is pressed by the bag body and the laptop computer in the bag body.

[0036] Compared with the prior art, the technical effects of the present invention are as follows:

[0037] The purpose of the present invention is to fold the bag opening of a bag body containing a laptop computer. After folding, the gap between the first telescopic plate and the second telescopic plate is clamped by a first clamping claw. After clamping, the first flip assembly and the second flip assembly are released, so that the folding of the bag opening is achieved while taking into account the clamping action. After clamping, the bag body is flipped 180°, and the bag opening of the bag body faces downward and is pressed, so that the folded bag opening does not need to be adhered with tape and remains in a folded state, thereby achieving fully automatic and efficient folding of the bag opening, and providing a basis for the subsequent efficient boxing of laptop computers. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0039] Figure 1 (a) is a schematic diagram of a bag containing a laptop computer.

[0040] Figure 1 (b) is a schematic diagram of the bag opening being turned over, folded and sealed.

[0041] Figure 1 (c) is a schematic diagram of the bag body being flipped 180° and the folded bag opening being pressed.

[0042] Figure 2 It is a schematic diagram of the three-dimensional structure of the bag folding device of the present invention.

[0043] Figure 3 It is a schematic diagram of the three-dimensional structure of the bag folding device of the present invention.

[0044] Figure 4 It is a schematic diagram of the three-dimensional structure of the bag folding device of the present invention.

[0045] Figure 5 It is a schematic diagram of the three-dimensional structure of the bag folding device of the present invention.

[0046] Figure 6 It is a schematic diagram of the three-dimensional structure of the bag folding device of the present invention.

[0047] Figure 7 It is a schematic flow chart of the bag folding method of the present invention.

[0048] Among them, 1. bag body support platform; 11. translation module; 2. bag folding mouth assembly; 21. first flip assembly; 211. first rotating shaft; 212. first folding plate; 2121. first hollow part; 2122. first strip plate; 213. first telescopic cylinder; 214. first telescopic plate; 2141. second hollow part; 2142. second strip plate; 22. second flip assembly; 221. second rotating shaft; 222. second folding plate; 2221. third hollow part; 2222. third strip plate; 223. second telescopic cylinder; 224. second telescopic plate; 2241. fourth hollow part; 2242. fourth strip plate Plate; 23, first bracket; 24, through shaft; 241, driven end of through shaft; 242, active end of through shaft; 25, first belt; 26, second bracket; 27, second belt; 28, first motor; 3, bag body clamping assembly; 31, gantry bracket; 311, horizontal part; 312, first vertical part; 313, second vertical part; 314, third belt; 315, first connecting plate; 316, second connecting plate; 317, second motor; 318, first rotating part; 319, second rotating part; 32, first clamping jaw; 33, second clamping jaw; 4, bag body; 41, bag opening; 5, laptop computer; 6, gap. DETAILED DESCRIPTION

[0049] The present invention is described in detail below in conjunction with the various embodiments shown in the accompanying drawings, but it should be noted that these embodiments are not limitations of the present invention, and any equivalent transformations or substitutions in functions, methods, or structures made by ordinary technicians in the field based on these embodiments are all within the scope of protection of the present invention.

[0050] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0051] Example 1

[0052] Ginseng Figures 2 to 6 As shown, this embodiment discloses a specific implementation of a bag folding device.

[0053] Bag body folding device, refer to Figures 2 to 6As shown, it includes a bag body support platform 1, a bag opening folding assembly 2 and a bag body clamping assembly 3; a laptop computer 5 is accommodated in the bag body 4; the bag opening folding assembly 2 is arranged at the end of the bag body support platform 1 and close to the bag opening 41 of the bag body 4; the bag opening folding assembly 2 includes a first flip assembly 21 and a second flip assembly 22, the first flip assembly 21 includes a first rotating shaft 211, a first folding plate 212, a first telescopic cylinder 213 and a first telescopic plate 214, the first telescopic cylinder 213 drives the first telescopic plate 214 to telescope and expand or reduce the bag opening length of the first folding plate 212, the first rotating shaft 211 drives the first folding plate 212 to rotate between 0°-180°; the second flip assembly 22 includes a second rotating shaft 211, a first folding plate 212, a first telescopic cylinder 213 and a first telescopic plate 214, the first telescopic cylinder 213 drives the first telescopic plate 214 to telescope and expand or reduce the bag opening length of the first folding plate 212, and the first rotating shaft 211 drives the first folding plate 212 to rotate between 0°-180°; the second flip assembly 22 includes a second rotating shaft Axle 221, a second folding plate 222, a second telescopic cylinder 223 and a second telescopic plate 224, the second telescopic cylinder 224 drives the second telescopic plate 224 to telescope and expand or reduce the folding mouth length of the second folding plate 222, the second rotating shaft 221 drives the second folding plate 222 to rotate between 0°-180°; the first rotating shaft 211 and the second rotating shaft 221 rotate synchronously; the bag body clamping assembly 3 includes a gantry bracket 31 and a first clamping jaw 32 and a second clamping jaw 33 arranged on both sides of the gantry bracket 31, the first clamping jaw 32 clamps one side of the bag body 4 from the gap 6 between the first telescopic plate 214 and the second telescopic plate 224, and the second clamping jaw 33 clamps the other side of the bag body 4.

[0054] Specifically, see Figure 1 (a) to Figure 1 (c) Figure 1 (a) is a schematic diagram of a bag 4 containing a laptop computer 5, Figure 1 (b) is a schematic diagram of sealing the bag opening 41 after the bag opening 41 is turned over and folded. Figure 1 (c) is a schematic diagram of the bag body 4 being turned 180° and the folded bag opening 41 being pressed. The purpose of this embodiment is to complete the bag body 4 containing the laptop computer 5. Figure 1 (a) to Figure 1 (b) Folding action, then Figure 1 (c) Flipping action.

[0055] Figures 2 to 4 is a schematic diagram of the first flip assembly 21 and the second flip assembly 22 being in a 0° state, Figures 5 and 6It is a schematic diagram of the first flip assembly 21 and the second flip assembly 22 flipped 180°; the bag body 4 accommodating the laptop computer 5 is placed on the bag body support platform 1, and the bag opening 41 is folded upward and sealed by the synchronous flipping of the first flip assembly 21 and the second flip assembly 22 by 180°. In order to maintain the closed state of the bag opening 41 while being able to clamp and flip the bag body 4 through the bag body clamping assembly 3, the present embodiment adopts the following technical solutions: (1) the first folding plate 212 is provided with a plurality of first hollow portions 2121 and a plurality of first strip plates 2122, the first hollow portions 2121 and the first strip plates 2122 are arranged at intervals, the first telescopic plate 214 is provided with a plurality of second hollow portions 2141 and a plurality of second strip plates 2142, the second hollow portions 2141 and the second strip plates 2142 are arranged at intervals, the first hollow portions 2121 and the second hollow portions 2141 are arranged staggered, that is, the first strip plates 2122 can be inserted into the second hollow portions 2141, and the second strip plates 2142 can be inserted into the first hollow portions 2121. The first telescopic plate 214 can be driven to telescope by the first telescopic cylinder 213; similarly, the second folding plate 222 is provided with a plurality of third hollow portions 2221 and a plurality of third strip plates 2222, and the third hollow portions 2221 and the third strip plates 2222 are arranged at intervals, and the second telescopic plate 224 is provided with a plurality of fourth hollow portions 2241 and a plurality of fourth strip plates 2242, and the fourth hollow portions 2241 and the fourth strip plates 2242 are arranged at intervals, and the third hollow portions 2221 and the fourth hollow portions 2241 are staggered, that is, the third strip plates 2222 can be inserted into the fourth hollow portions 2241, and the fourth strip plates 2242 can be inserted into the third hollow portions 2221, and the second telescopic plate 224 can be driven to telescope by the second telescopic cylinder 223. When the rotation angle of the first rotating shaft 211 and the second rotating shaft 221 is 0°, the distance between the first telescopic plate 214 and the second telescopic plate 224 is L1, see Figure 4 When the rotation angle of the first rotating shaft 211 and the second rotating shaft 221 is 180°, the distance between the first telescopic plate 214 and the second telescopic plate 224 is L2, see Figure 6 , L1<L2, the distance L2 can accommodate the width of the first clamping claw 32; when the bag opening 41 of the bag body 4 is in an unfolded state, the first telescopic plate 214 and the second telescopic plate 224 are both in an extended state, so that the effective folding length of the first folding plate 212 and the second folding plate 222 is increased, and the entire bag opening 41 can be folded to Figure 1 (b) When the bag body 41 needs to be clamped by the first clamp 32, the first telescopic plate 214 and the second telescopic plate 224 are both in a retracted state, so that the gap between the first telescopic plate 214 and the second telescopic plate 224 increases to accommodate the first clamp 32, see Figure 6(2) The gantry support 31 includes a horizontal portion 311 and a first vertical portion 312 and a second vertical portion 313 arranged at both ends of the horizontal portion 311; a third belt 314 is arranged below the horizontal portion 311, and a first connecting plate 315 and a second connecting plate 316 are arranged on the third belt 314; the third belt 314 drives the first connecting plate 315 and the second connecting plate 316 to move closer to or farther from each other; the first connecting plate 315 drives the first vertical portion 312 to move, and the second connecting plate 316 drives the second vertical portion 313 to move. When the first telescopic plate 214 and the second telescopic plate 224 are both in the retracted state and the gap therebetween is L2, the third belt 314 drives the first vertical portion 312 and the second vertical portion 313 to move closer to each other, so that the first clamp 32 and the second clamp 33 are respectively aligned with the two ends of the bag body 4 and clamped, and the first clamp 32 is clamped at the gap between the first telescopic plate 214 and the second telescopic plate 224. For details, see Figure 6 A second motor 317 and a first rotating part 318 driven by the second motor 317 are provided at the bottom end of the first vertical part 312, and the second clamping jaw 33 is installed on the first rotating part 318; a second rotating part 319 is provided at the bottom end of the second vertical part 313, and the first clamping jaw 32 is installed on the second rotating part 319. When the first clamping jaw 32 and the second clamping jaw 33 clamp the bag body 4, the first rotating shaft 211 and the second rotating shaft 221 rotate 180° to release the bag body 4. After the first clamping jaw 32 and the second clamping jaw 33 transfer the bag body 4, the second motor 317 is started to turn the bag body 180° to achieve Figure 1 The state shown in (c) is ready for the subsequent packaging of the bag body 4. It should be noted that a linear module (not shown) is provided on the top of the horizontal portion 311, and the gantry bracket 31 is moved to the next process as a whole through the linear module.

[0056] See also Figures 2 to 4 The first rotating shaft 211 is installed on the first bracket 23, and the through shaft 24 is also installed on the first bracket 23, the first rotating shaft 211 and the driven end 241 of the through shaft are driven by the first belt 25; the second rotating shaft 221 is installed on the second bracket 26, and the second rotating shaft 221 and the active end 242 of the through shaft are driven by the second belt 27; the through shaft 24 is driven by the first motor 28; the first motor 28 drives the through shaft 24 to rotate, and the driven end 241 of the through shaft and the first belt 25 drive the first rotating shaft 211 to rotate, and synchronously, the active end 242 of the through shaft and the second belt 27 drive the second rotating shaft 221 to rotate, thereby ensuring the synchronization of the flipping of the first flip assembly 21 and the second flip assembly 22.

[0057] See also Figures 2 to 4A translation module 11 is arranged below the bag body support platform 1, and the translation module 11 drives the bag body support platform 1 to approach or move away from the bag folding mouth assembly 2. The position of the bag body support platform 1 is fine-tuned by the translation module 11, so that the folding positions of the first folding plate 212 and the second folding plate 222 are more accurate.

[0058] Through this embodiment, the bag opening 41 is folded by the synchronous flipping of the first flip component 21 and the second flip component 22; the first clamping jaw 32 can clamp the folded bag opening 41 by adjusting the gap between the first telescopic plate and the second telescopic plate, thereby avoiding the rebound of the bag opening 41; and then the bag body 4 is flipped 180° as a whole by the flipping action of the first clamping jaw 32, and the folded bag opening 41 is pressed down by the weight of the bag body 4 and the laptop computer in the bag body, so that even if the folded bag opening 41 is not glued, the folded bag opening 41 will not rebound, thereby achieving fully automatic and efficient folding of the bag opening, which provides a basis for the efficient boxing of subsequent laptop computers.

[0059] Example 2

[0060] Ginseng Figure 7 As shown, this embodiment discloses a specific implementation of a bag folding method.

[0061] A bag folding method, reference Figure 7 As shown, the bag folding device described in Example 1 includes the following steps:

[0062] Step S1: Put the laptop computer 5 into the bag body 4 and place the bag body 4 on the bag body support platform 1; the state of the bag body 4 and the bag opening 41 is shown in FIG. Figure 1 (a);

[0063] Step S2: The first telescopic plate 213 and the second telescopic plate 214 are extended at the same time, the first rotating shaft 211 and the second rotating shaft 221 are rotated 180 degrees synchronously, and the first folding plate 212, the first telescopic plate 214, the second telescopic plate 224 and the second folding plate 222 simultaneously turn over and press the bag opening 41, see Figure 1 (b);

[0064] Step S3: the first telescopic plate 214 and the second telescopic plate 224 are retracted simultaneously, so that a gap 6 is formed between the first telescopic plate 214 and the second telescopic plate 224, and the length of the gap 6 is expanded to L2;

[0065] Step S4: the first clamping jaw 32 and the second clamping jaw 33 approach each other, the first clamping jaw 32 clamps one side of the bag body 4 from the gap 6, and the second clamping jaw 33 clamps the other side of the bag body 4. Before the first clamping jaw 32 clamps the folded bag opening 41 of the bag body 4, the first flip assembly 21 and the second flip assembly 22 maintain their folded state;

[0066] Step S5: the first rotating shaft 211 and the second rotating shaft 212 rotate 180° to release the bag body 4. At this time, the folded bag opening 41 is clamped by the first clamping jaw 32;

[0067] Step S6: The first clamping jaw 32 and the second clamping jaw 33 move the bag body 4, the first clamping jaw 32 and the second clamping jaw 33 rotate 180 degrees and place the bag body 4 at the next station, and the folded bag opening 41 of the bag body 4 is pressed by the bag body 4 and the laptop computer in the bag body, see Figure 1 (c).

[0068] For the parts in Example 2 that are the same as those in Example 1, please refer to Example 1 and will not be repeated here.

Claims

1. Bag folding device, characterized in that: It includes a bag body supporting platform, a bag mouth folding component and a bag body clamping component; The bag contains a laptop computer; The bag opening folding assembly is arranged at the end of the bag body supporting platform and close to the bag opening of the bag body; The bag folding mouth assembly includes a first flip assembly and a second flip assembly, the first flip assembly includes a first rotating shaft, a first folding plate, a first telescopic cylinder and a first telescopic plate, the first telescopic cylinder drives the first telescopic plate to extend and expand or reduce the length of the bag folding mouth of the first folding plate, and the first rotating shaft drives the first folding plate to rotate between 0°-180°; The second flip assembly includes a second rotating shaft, a second folding plate, a second telescopic cylinder and a second telescopic plate, wherein the second telescopic cylinder drives the second telescopic plate to extend and retract and expand or reduce the length of the folding opening of the second folding plate, and the second rotating shaft drives the second folding plate to rotate between 0° and 180°; The first rotating shaft and the second rotating shaft rotate synchronously; The bag body clamping assembly includes a gantry bracket and a first clamping jaw and a second clamping jaw arranged on both sides of the gantry bracket. The first clamping jaw clamps one side of the bag body from the gap between the first telescopic plate and the second telescopic plate, and the second clamping jaw clamps the other side of the bag body.

2. The bag folding device according to claim 1, characterized in that: A translation module is arranged below the bag body supporting platform, and the translation module drives the bag body supporting platform to approach or move away from the bag folding mouth assembly.

3. The bag folding device according to claim 1, characterized in that: The first folding plate is provided with a plurality of first hollow parts, and the first telescopic plate is provided with a plurality of second hollow parts, and the first hollow parts and the second hollow parts are staggered.

4. The bag folding device according to claim 1, characterized in that: The second folding plate is provided with a plurality of third hollow parts, and the second telescopic plate is provided with a plurality of fourth hollow parts, and the third hollow parts and the fourth hollow parts are staggered.

5. The bag folding device according to any one of claims 1 to 4, characterized in that: The first rotating shaft is mounted on the first bracket, a through shaft is also mounted on the first bracket, and the first rotating shaft and the driven end of the through shaft are driven by a first belt; The second rotating shaft is mounted on the second bracket, and the second rotating shaft and the active end of the through shaft are driven by a second belt; The through shaft is driven by a first motor.

6. The bag folding device according to claim 5, characterized in that: The gantry support comprises a horizontal portion and a first vertical portion and a second vertical portion arranged at two ends of the horizontal portion; A third belt is arranged below the horizontal portion, and a first connecting plate and a second connecting plate are arranged on the third belt; The third belt drives the first connecting plate and the second connecting plate to move closer to or farther from each other; The first connecting plate drives the first vertical portion to move, and the second connecting plate drives the second vertical portion to move.

7. The bag folding device according to claim 6, characterized in that: A second motor and a first rotating part driven by the second motor are arranged at the bottom end of the first vertical part, and the second clamping claw is installed on the first rotating part; A second rotating portion is arranged at the bottom end of the second vertical portion, and the first clamping claw is installed on the second rotating portion.

8. The bag folding device according to claim 5, characterized in that: When the rotation angle between the first rotating shaft and the second rotating shaft is 0°, the distance between the first telescopic plate and the second telescopic plate is L1; When the rotation angle of the first rotating shaft and the second rotating shaft is 180°, the distance between the first telescopic plate and the second telescopic plate is L2, and L1<L2.

9. The bag folding device according to claim 5, characterized in that: The distance L2 can accommodate the width of the first jaw.

10. A bag folding method, characterized in that: The bag folding device according to any one of claims 1 to 9 comprises the following steps: Putting a laptop computer into the bag body and placing the bag body on the bag body support platform; The first telescopic plate and the second telescopic plate are extended at the same time, the first rotating shaft and the second rotating shaft are synchronously rotated 180 degrees, and the first folding plate, the first telescopic plate, the second telescopic plate and the second folding plate simultaneously turn over and press the bag opening; The first telescopic plate and the second telescopic plate are retracted simultaneously, so that there is a gap between the first telescopic plate and the second telescopic plate; The first clamping jaw and the second clamping jaw are close to each other, the first clamping jaw clamps one side of the bag body from the gap, and the second clamping jaw clamps the other side of the bag body; The first rotating shaft and the second rotating shaft rotate 180 degrees to release the bag body; The first clamp and the second clamp move the bag body, and the first clamp and the second clamp rotate 180 degrees and place the bag body at the next workstation, and the folded bag opening of the bag body is pressed by the bag body and the laptop computer in the bag body.

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