CN215852177U - Loading attachment is used to vocal book packing carton book box - Google Patents

Loading attachment is used to vocal book packing carton book box Download PDF

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Publication number
CN215852177U
CN215852177U CN202122322873.2U CN202122322873U CN215852177U CN 215852177 U CN215852177 U CN 215852177U CN 202122322873 U CN202122322873 U CN 202122322873U CN 215852177 U CN215852177 U CN 215852177U
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feeding device
lifting
fixed
vertical
plate
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CN202122322873.2U
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Chinese (zh)
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张维国
朱永志
庄建新
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Shandong Xiaorutong Technology Co ltd
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Shandong Xiaorutong Technology Co ltd
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Abstract

The utility model discloses a feeding device for folding a box of an audio reading packaging box, which comprises a rack, a horizontal feeding device, a first lifting feeding device, a second lifting feeding device and a controller, wherein the horizontal feeding device is arranged on the rack; the horizontal feeding device is arranged at the lower left of the rack, the first lifting feeding device is arranged at the rear of the rack, and the second lifting feeding device is arranged in front of the rack; horizontal feeding device is provided with the pay-off flat board, but the pay-off flat board left and right sides direction slides, the interval is provided with two at least bed hedgehopping pieces on the pay-off flat board, be provided with a plurality of first spacing vertical bars on the pay-off flat board, it is a plurality of first spacing vertical bars are used for restricting the position of the preceding, back, the three direction in the right side of cardboard buttress. The utility model has the beneficial effects that: the feeding of the new paperboard stack can be completed without stopping the box folding machine, so that the box folding machine can continuously fold boxes, and the production efficiency is indirectly improved.

Description

Loading attachment is used to vocal book packing carton book box
Technical Field
The utility model relates to the field of sound reading material packaging boxes, in particular to a feeding device for folding a sound reading material packaging box.
Background
The audio book, especially the finger reading audio book, is an effective tool for helping children to learn numbers, letters and Chinese characters. Putting the talking book into a packaging box for sale after the talking book is produced. The package box for the audio book is formed by automatically folding the cut paper boards through a box folding machine, a sucking disc material taking component of the box folding machine continuously takes the paper boards above a paper board stack and then sends the paper boards to the box folding machine for box folding. After a pile of paperboards are completely taken, the box folding machine stops because the sucker taking assembly does not take materials, an operator stacks a new pile of paperboards, and then the box folding machine is started again to fold the boxes.
Therefore, the machine is stopped to feed after the paperboard is used up every time, and the production time is wasted.
Therefore, the application discloses a feeding device for folding a box of an audio reading packaging box, which can complete feeding of a new paperboard stack under the condition of not stopping a box folding machine, so that the box folding machine can continuously fold the box, and the production efficiency is indirectly improved.
Disclosure of Invention
In order to solve the problems in the background technology, the utility model discloses a feeding device for a folding box of an audio reading material packaging box, which comprises a rack, a horizontal feeding device, a first lifting feeding device, a second lifting feeding device and a controller, wherein the horizontal feeding device is arranged on the rack; the horizontal feeding device is arranged at the lower left of the rack, the first lifting feeding device is arranged at the rear of the rack, and the second lifting feeding device is arranged in front of the rack; the horizontal feeding device is provided with a feeding flat plate, the feeding flat plate can slide in the left and right directions, at least two heightening blocks are arranged on the feeding flat plate at intervals, a plurality of first limiting vertical bars are arranged on the feeding flat plate, and the first limiting vertical bars are used for limiting the positions of the paperboard stack in the front direction, the rear direction and the right direction; the first lifting feeding device is provided with a first lifting plate, the first lifting plate can slide in the vertical direction, at least two first insertion rods are arranged on the first lifting plate, the first insertion rods can slide in the front-back direction, and the first insertion rods can be inserted into gaps between two adjacent heightening blocks; the second lifting feeding device is provided with a second lifting plate, the second lifting plate can slide in the vertical direction, at least two second insertion rods are arranged on the second lifting plate, the second insertion rods can slide in the front-back direction, and the second insertion rods can be inserted into gaps between every two adjacent first insertion rods; the horizontal feeding device, the first lifting feeding device and the second lifting feeding device are electrically connected with the controller.
Preferably, the horizontal feeding device further comprises a fixing frame, a horizontal guide rail, a horizontal sliding block, a driving synchronous pulley, a driven synchronous pulley, a synchronous belt and a first driving motor; the two horizontal guide rails are fixed on the fixing frame in parallel and are arranged along the left and right directions; the horizontal sliding blocks are connected to the horizontal guide rails in a sliding manner, and each horizontal guide rail is provided with at least two horizontal sliding blocks; the feeding flat plate is fixed on the horizontal sliding block; the driving synchronous belt wheel is rotatably connected to the fixed frame, the driven synchronous belt wheel is rotatably connected to the fixed frame, and two ends of the synchronous belt are respectively wound on the driving synchronous belt wheel and the driven synchronous belt wheel; the first driving motor is fixed on the fixing frame, the first driving motor is connected with the driving synchronous belt wheel and used for driving the driving synchronous belt wheel to rotate, and the synchronous belt is fixedly connected with the feeding flat plate.
Preferably, each horizontal guide rail is provided with two horizontal sliding blocks.
Preferably, three heightening blocks are arranged on the feeding flat plate at intervals.
Preferably, the first lifting feeding device further comprises a first vertical guide rail, a first vertical sliding block, a lead screw, a nut block, a second driving motor, a first electric cylinder, a first pushing block and a first fixed vertical plate; the first fixed vertical plate is vertically fixed on the rack; the two first vertical guide rails are vertically fixed to the first fixed vertical plate in parallel, the first vertical sliding blocks are connected to the first vertical guide rails in a sliding mode, and each first vertical guide rail is provided with two first vertical sliding blocks; the first lifting plate is fixed on the first vertical sliding block; both ends of the lead screw are rotatably connected to the first fixed vertical plate; the second driving motor is fixed to the first fixed vertical plate, and is connected with one end of the lead screw and used for driving the lead screw to rotate; the nut block is matched with the lead screw, and the nut block is sleeved on the lead screw; the nut block is fixedly connected with the first lifting plate; the first push block is fixedly connected with all the first inserting rods; the first electric cylinder is fixed on the first lifting plate, and a telescopic rod of the first electric cylinder is fixedly connected with the first push block.
Preferably, the first lifting plate is provided with two first inserting rods; the cross section of the first inserted bar is I-shaped.
Preferably, the second lifting and feeding device further comprises a second vertical guide rail, a second vertical sliding block, a second electric cylinder, a third electric cylinder, a second pushing block and a second fixed vertical plate; the second fixed vertical plate is vertically fixed on the rack; the two second vertical guide rails are vertically fixed to the second fixed vertical plate in parallel, the second vertical sliding blocks are connected to the second vertical guide rails in a sliding mode, and each second vertical guide rail is provided with two second vertical sliding blocks; the second lifting plate is fixed on the second vertical sliding block; the second electric cylinder is fixed on the second fixed vertical plate, and a telescopic rod of the second electric cylinder is fixedly connected with the second lifting plate; the second push block is fixedly connected with all the second inserting rods; the third electric cylinder is fixed on the second lifting plate, and a telescopic rod of the third electric cylinder is fixedly connected with the second push block.
Preferably, the second lifting plate is provided with two second inserting rods; the cross section of the second inserted bar is I-shaped.
The utility model has the beneficial effects that: the feeding of the new paperboard stack can be completed under the condition that the box folding machine is not stopped, so that the box folding machine can continuously fold boxes, and the production efficiency is indirectly improved; a driving synchronous belt wheel is driven to rotate through a first driving motor, so that a synchronous belt is driven to rotate, and a feeding flat plate is driven to slide left and right along a horizontal guide rail; the screw rod is driven to rotate through the second driving motor, and then the nut block, namely the first lifting plate, is driven to slide up and down along the first vertical guide rail; the telescopic rod of the first electric cylinder drives the first push block and the first inserted link to realize the telescopic action of the first inserted link; the telescopic rod of the second electric cylinder drives the second lifting plate to slide up and down along the second vertical guide rail; the telescopic rod of the third electric cylinder drives the second push block and the second inserted rod to realize the telescopic action of the second inserted rod.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 shows one of the operating states of the present invention.
Fig. 5 is a schematic structural view of the horizontal feeding device of the present invention.
Fig. 6 is a left side view of fig. 5.
Fig. 7 is a schematic structural diagram of the first lifting and feeding device of the present invention.
Fig. 8 is a left side view of fig. 7.
Fig. 9 is a rear view of fig. 7.
Fig. 10 is a schematic structural view of a second lifting and feeding device of the present invention.
Fig. 11 is a left side view of fig. 10.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings so that the advantages and features of the utility model can be more easily understood by those skilled in the art, and the scope of the utility model will be clearly and clearly defined.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to the attached drawings 1-11, the feeding device for the folding box of the audio reading packaging box comprises a rack 1, a horizontal feeding device 2, a first lifting feeding device 3, a second lifting feeding device 4 and a controller; the horizontal feeding device 2 is arranged at the lower left of the rack 1, the first lifting feeding device 3 is arranged at the rear of the rack 1, and the second lifting feeding device 4 is arranged in front of the rack 1; the horizontal feeding device 2 is provided with a feeding flat plate 201, the feeding flat plate 201 can slide in the left-right direction, at least two heightening blocks 5 are arranged on the feeding flat plate 201 at intervals, a plurality of first limiting vertical bars 6 are arranged on the feeding flat plate 201, and the first limiting vertical bars 6 are used for limiting the positions of the paper board stack 100 in the front direction, the rear direction and the right direction; the first lifting and feeding device 3 is provided with a first lifting plate 301, the first lifting plate 301 can slide up and down, at least two first insertion rods 302 are arranged on the first lifting plate 301, the first insertion rods 302 can slide back and forth, and the first insertion rods 302 can be inserted into a gap between two adjacent block-ups 5; the second lifting and feeding device 4 is provided with a second lifting plate 401, the second lifting plate 401 can slide up and down, the second lifting plate 401 is provided with at least two second insertion rods 402, the second insertion rods 402 can slide back and forth, and the second insertion rods 402 can be inserted into a gap between two adjacent first insertion rods 302; the horizontal feeding device 2, the first lifting feeding device 3 and the second lifting feeding device 4 are electrically connected with the controller.
Description of the working principle: at the beginning, the feeding flat plate 201 is positioned at the left end of the horizontal feeding device 2, an operator moves the paperboard stack 100 to the heightening block 5 to ensure that the paperboard stack 100 is within the limit range of the first limit vertical bar 6, and then the controller controls the feeding flat plate 201 to slide rightwards to a specified position; then the first plunger 302 is extended and inserted under the carton pile 100; then the first lifting plate 301 of the first lifting feeding device 3 is lifted, the first inserting rod 302 drives the paperboard stack 100 to lift, and the lifting is stopped until the uppermost part of the paperboard stack 100 reaches a designated position; the sucker taking assembly 200 can take the paper boards 1000 at the moment, the box folding machine starts to work, the sucker taking assembly 200 continuously takes materials above the paper board stack 100 and then slides rightwards to be conveyed to the box folding machine for box folding, and after a certain number of paper boards 1000 are taken away by the sucker taking assembly 200, the first lifting plate 301 is lifted for a certain distance to supplement the height difference above the paper board stack 100 due to material taking, and the height difference is usually 30mm-50mm for once action; with continuous material taking, the height of the paper board stack 100 is continuously reduced while the first lifting plate 301 is continuously lifted; when the height of the paperboard stack 100 reaches a set value, the height is usually set to be 100mm, the second inserting rod 402 extends out and is inserted below the paperboard stack 100, the second lifting feeding device 4 is connected with the first lifting feeding device 3, then the second lifting feeding device 4 replaces the first lifting feeding device 3 to finish continuous feeding of the rest of the paperboard stack 100, and the height difference generated by material taking above the paperboard stack 100 is supplemented through the interval ascending of the second lifting plate 401; then the first lifting feeding device 3 is restored to the initial position;
when the first lifting plate 301 continuously rises to a position where the first lifting plate 301 is 50mm higher than the first limiting vertical bar 6 during feeding by the first lifting feeding device 3, the feeding flat plate 201 returns to the initial position, at the same time, the feeding flat plate 201 is positioned at the left end of the horizontal feeding device 2, an operator moves a new paperboard stack 100 to the heightening block 5 to complete feeding of the new paperboard stack 100, then the feeding flat plate 201 slides rightwards to a specified position, the first inserting rod 302 extends out and is inserted below the new paperboard stack 100, when the first lifting plate 301 of the first lifting feeding device 3 rises, and when the feeding of the remaining paperboard stacks 100 on the second lifting feeding device 4 is about to be completed, the first lifting plate 301 of the first lifting feeding device 3 rises to enable the uppermost part of the new paperboard stack 100 to reach a position 50mm below the second inserting rod 402, and when the remaining paperboard stacks 100 on the second lifting feeding device 4 are completely fed, the second inserting rod 402 retracts to the right position, the first lifting plate 301 rises, the top of the new paperboard stack 100 reaches the material supply position, and the materials are continuously supplied to the sucker material taking assembly 200; after the second inserting rod 402 retracts to the proper position, the second lifting feeding device 4 restores to the initial position; the continuous feeding of the paper boards 1000 is realized by the reciprocating circulation.
Therefore, the utility model can complete the feeding of the new paperboard stack without stopping the box folding machine, so that the box folding machine can continuously fold boxes, and the production efficiency is indirectly improved.
The horizontal feeding device 2 further comprises a fixing frame 202, a horizontal guide rail 203, a horizontal sliding block 204, a driving synchronous pulley 205, a driven synchronous pulley 206, a synchronous belt 207 and a first driving motor 208; the two horizontal guide rails 203 are fixed on the fixed frame 202 in parallel, and the horizontal guide rails 203 are arranged along the left-right direction; the horizontal sliding blocks 204 are slidably connected to the horizontal guide rails 203, and at least two horizontal sliding blocks 204 are arranged on each horizontal guide rail 203; the feeding flat plate 201 is fixed on the horizontal sliding block 204; the driving synchronous pulley 205 is rotatably connected to the fixed frame 202, the driven synchronous pulley 206 is rotatably connected to the fixed frame 202, and two ends of the synchronous belt 207 are respectively wound around the driving synchronous pulley 205 and the driven synchronous pulley 206; the first driving motor 208 is fixed to the fixing frame 202, the first driving motor 208 is connected to the driving synchronous pulley 205, and is configured to drive the driving synchronous pulley 205 to rotate, and the synchronous belt 207 is fixedly connected to the feeding plate 201.
In this way, the first driving motor 208 drives the driving synchronous pulley 205 to rotate, and further drives the synchronous belt 207 to rotate, and further drives the feeding plate 201 to slide left and right along the horizontal guide rail 203.
Each horizontal guide rail 203 is provided with two horizontal sliding blocks 204.
The feeding flat plate 201 is provided with three block-up blocks 5 at intervals.
The first lifting and feeding device 3 further comprises a first vertical guide rail 303, a first vertical sliding block 304, a lead screw 305, a nut block 306, a second driving motor 307, a first electric cylinder 308, a first push block 309 and a first fixed vertical plate 310; the first fixed vertical plate 310 is vertically fixed on the frame 1; the two first vertical guide rails 303 are vertically fixed to the first fixed vertical plate 310 in parallel, the first vertical sliding blocks 304 are slidably connected to the first vertical guide rails 303, and each first vertical guide rail 303 is provided with two first vertical sliding blocks 304; the first lifting plate 301 is fixed to the first vertical slider 304; both ends of the lead screw 305 are rotatably connected to the first fixed vertical plate 310; the second driving motor 307 is fixed to the first fixed vertical plate 310, and the second driving motor 307 is connected to one end of the lead screw 305, and is used for driving the lead screw 305 to rotate; the nut block 306 is matched with the lead screw 305, and the nut block 306 is sleeved on the lead screw 305; the nut block 306 is fixedly connected with the first lifting plate 301; the first push block 309 is fixedly connected with all the first inserting rods 302; the first electric cylinder 308 is fixed to the first lifting plate 301, and an expansion rod of the first electric cylinder 308 is fixedly connected with the first push block 309.
In this way, the second driving motor 307 drives the screw 305 to rotate, and further drives the nut block 306, i.e. the first lifting plate 301, to slide up and down along the first vertical guide rail 303; the telescopic rod of the first electric cylinder 308 drives the first push block 309 and the first insertion rod 302, so that the telescopic action of the first insertion rod 302 is realized.
The first lifting plate 301 is provided with two first inserting rods 302; the cross section of the first plug rod 302 is in an i shape.
The second lifting and feeding device 4 further comprises a second vertical guide rail 403, a second vertical sliding block 404, a second electric cylinder 405, a third electric cylinder 406, a second pushing block 407 and a second fixed vertical plate 408; the second fixed vertical plate 408 is vertically fixed to the frame 1; the two second vertical guide rails 403 are vertically and parallelly fixed to the second fixed vertical plates 408, the second vertical sliding blocks 404 are slidably connected to the second vertical guide rails 403, and each second vertical guide rail 403 is provided with two second vertical sliding blocks 404; the second lifting plate 401 is fixed to the second vertical slider 404; the second electric cylinder 405 is fixed to the second fixed vertical plate 408, and an expansion rod of the second electric cylinder 405 is fixedly connected with the second lifting plate 401; the second pushing block 407 is fixedly connected with all the second inserting rods 402; the third electric cylinder 406 is fixed to the second lifting plate 401, and an expansion rod of the third electric cylinder 406 is fixedly connected with the second push block 407.
Thus, the telescopic rod of the second electric cylinder 405 drives the second lifting plate 401 to slide up and down along the second vertical guide rail 403; the telescopic rod of the third electric cylinder 406 drives the second push block 407 and the second insert rod 402 to realize the telescopic action of the second insert rod 402.
The second lifting plate 401 is provided with two second insertion rods 402; the cross section of the second insert rod 402 is i-shaped.
The above description is only a preferred embodiment of the present invention and should not be construed as limiting the present invention, and any minor modifications, equivalent replacements and improvements made to the above embodiment according to the technical spirit of the present invention should be included in the technical scope of the present invention.

Claims (8)

1. A feeding device for folding a box of a sound reading packaging box comprises a rack and is characterized by further comprising a horizontal feeding device, a first lifting feeding device, a second lifting feeding device and a controller; the horizontal feeding device is arranged at the lower left of the rack, the first lifting feeding device is arranged at the rear of the rack, and the second lifting feeding device is arranged in front of the rack; the horizontal feeding device is provided with a feeding flat plate, the feeding flat plate can slide in the left and right directions, at least two heightening blocks are arranged on the feeding flat plate at intervals, a plurality of first limiting vertical bars are arranged on the feeding flat plate, and the first limiting vertical bars are used for limiting the positions of the paperboard stack in the front direction, the rear direction and the right direction; the first lifting feeding device is provided with a first lifting plate, the first lifting plate can slide in the vertical direction, at least two first insertion rods are arranged on the first lifting plate, the first insertion rods can slide in the front-back direction, and the first insertion rods can be inserted into gaps between two adjacent heightening blocks; the second lifting feeding device is provided with a second lifting plate, the second lifting plate can slide in the vertical direction, at least two second insertion rods are arranged on the second lifting plate, the second insertion rods can slide in the front-back direction, and the second insertion rods can be inserted into gaps between every two adjacent first insertion rods; the horizontal feeding device, the first lifting feeding device and the second lifting feeding device are electrically connected with the controller.
2. The feeding device for the acoustic reading material packaging box folding box according to claim 1, wherein the horizontal feeding device further comprises a fixing frame, a horizontal guide rail, a horizontal sliding block, a driving synchronous pulley, a driven synchronous pulley, a synchronous belt and a first driving motor; the two horizontal guide rails are fixed on the fixing frame in parallel and are arranged along the left and right directions; the horizontal sliding blocks are connected to the horizontal guide rails in a sliding manner, and each horizontal guide rail is provided with at least two horizontal sliding blocks; the feeding flat plate is fixed on the horizontal sliding block; the driving synchronous belt wheel is rotatably connected to the fixed frame, the driven synchronous belt wheel is rotatably connected to the fixed frame, and two ends of the synchronous belt are respectively wound on the driving synchronous belt wheel and the driven synchronous belt wheel; the first driving motor is fixed on the fixing frame, the first driving motor is connected with the driving synchronous belt wheel and used for driving the driving synchronous belt wheel to rotate, and the synchronous belt is fixedly connected with the feeding flat plate.
3. The loading device for folding the package box for audio reading material according to claim 2, wherein two horizontal sliders are provided on each horizontal rail.
4. The loading device for the folded box of the audio reading material packing box according to claim 3, wherein three of the elevating blocks are arranged on the feeding plate at intervals.
5. The feeding device for the folding box of the audio reading packaging box according to claim 1, wherein the first lifting and feeding device further comprises a first vertical guide rail, a first vertical sliding block, a lead screw, a nut block, a second driving motor, a first electric cylinder, a first push block and a first fixed vertical plate; the first fixed vertical plate is vertically fixed on the rack; the two first vertical guide rails are vertically fixed to the first fixed vertical plate in parallel, the first vertical sliding blocks are connected to the first vertical guide rails in a sliding mode, and each first vertical guide rail is provided with two first vertical sliding blocks; the first lifting plate is fixed on the first vertical sliding block; both ends of the lead screw are rotatably connected to the first fixed vertical plate; the second driving motor is fixed to the first fixed vertical plate, and is connected with one end of the lead screw and used for driving the lead screw to rotate; the nut block is matched with the lead screw, and the nut block is sleeved on the lead screw; the nut block is fixedly connected with the first lifting plate; the first push block is fixedly connected with all the first inserting rods; the first electric cylinder is fixed on the first lifting plate, and a telescopic rod of the first electric cylinder is fixedly connected with the first push block.
6. The loading device for the folded box of the audio reading material packing box according to claim 5, wherein two first inserting rods are arranged on the first lifting plate; the cross section of the first inserted bar is I-shaped.
7. The feeding device for the folding box of the talking book packaging box according to claim 1, wherein the second lifting and feeding device further comprises a second vertical guide rail, a second vertical sliding block, a second electric cylinder, a third electric cylinder, a second pushing block and a second fixed vertical plate; the second fixed vertical plate is vertically fixed on the rack; the two second vertical guide rails are vertically fixed to the second fixed vertical plate in parallel, the second vertical sliding blocks are connected to the second vertical guide rails in a sliding mode, and each second vertical guide rail is provided with two second vertical sliding blocks; the second lifting plate is fixed on the second vertical sliding block; the second electric cylinder is fixed on the second fixed vertical plate, and a telescopic rod of the second electric cylinder is fixedly connected with the second lifting plate; the second push block is fixedly connected with all the second inserting rods; the third electric cylinder is fixed on the second lifting plate, and a telescopic rod of the third electric cylinder is fixedly connected with the second push block.
8. The loading device for folding the package box for audio books according to claim 7, wherein two second inserting rods are provided on the second lifting plate; the cross section of the second inserted bar is I-shaped.
CN202122322873.2U 2021-09-25 2021-09-25 Loading attachment is used to vocal book packing carton book box Active CN215852177U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122322873.2U CN215852177U (en) 2021-09-25 2021-09-25 Loading attachment is used to vocal book packing carton book box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122322873.2U CN215852177U (en) 2021-09-25 2021-09-25 Loading attachment is used to vocal book packing carton book box

Publications (1)

Publication Number Publication Date
CN215852177U true CN215852177U (en) 2022-02-18

Family

ID=80256235

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122322873.2U Active CN215852177U (en) 2021-09-25 2021-09-25 Loading attachment is used to vocal book packing carton book box

Country Status (1)

Country Link
CN (1) CN215852177U (en)

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