A bag making machine

By introducing a quick-release mechanism and a switching mechanism into the bag-making machine, the problem of inconvenient disassembly and assembly of the cutter is solved, enabling quick disassembly and assembly of the cutter and switching between multiple sets of cutters, thereby improving disassembly and assembly efficiency and usage effect.

CN117429127BActive Publication Date: 2025-11-21SHANGHAI JIE LEITE ANTI-RUST PACKAGING TECH CO LTD
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Patent Information

Application Number
CN202311613789.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-29
Publication Date
2025-11-21
Estimated Expiration
2043-11-29

AI Technical Summary

Technical Problem

The cutting blades of existing bag-making machines are inconvenient to disassemble and assemble, leading to frequent replacements and affecting the cutting quality of packaging bags.

Method used

The quick-release mechanism and switching mechanism enable rapid assembly and disassembly of the cutting blades and switching between multiple cutting blades. The quick-release mechanism improves assembly and disassembly efficiency, while the switching mechanism extends service life and reduces replacement frequency.

Benefits of technology

It improves the efficiency of disassembling and assembling the cutting blade, extends its service life, reduces the frequency of replacement, and enhances its performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a bag making machine which comprises a machine body and a cutter device, wherein an inner wall of the machine body is provided with a feeding roller, a conveying roller and a mounting seat from left to right, an outer surface of the machine body is provided with a controller, and a top of the machine body is provided with an electric telescopic rod; the cutter device comprises a frame, a quick fixing mechanism, multiple cutter bodies and a switching mechanism, wherein the frame is arranged at one side of the bottom of the mounting seat and connected with the bottom of the mounting seat through the quick fixing mechanism, the multiple cutter bodies are equidistantly arranged at the bottom of the frame, the switching mechanism is arranged in the frame, and one end of each of the multiple cutter bodies penetrates into the frame and is connected with the switching mechanism. Thus, the quick fixing mechanism can realize quick disassembly and assembly of the cutting knives, improve disassembly and assembly efficiency, the switching mechanism can switch the multiple cutting knives, switching use can prolong use time and reduce replacement frequency, and the use effect is good.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bag making machine equipment, and particularly to a bag making machine. BACKGROUND

[0002] The bag making machine is a machine for making various plastic packaging bags or packaging bags made of other materials, and its processing range includes various sizes, thicknesses, specifications, plastics or other materials of packaging bags. Generally, plastic packaging bags are the main products. When using the bag making machine to produce plastic packaging bags, the plastic film is intermittently conveyed along its length direction. When the plastic film is intermittently conveyed, the heat sealing device on the bag making machine is used to heat seal the plastic film, thereby making a film bag. Then, the film bag is conveyed, and the deviation correction, cutting and quality inspection are performed respectively.

[0003] The existing patent (publication number: CN208324365U) discloses a bag making machine, which relates to the field of plastic bag production equipment. The technical solution points are as follows: a handle ring hot pressing device is arranged between the conveying device and the sealing device of the rack; the handle ring hot pressing device includes a ring storage tower, a first cylinder, a second cylinder and a hot press; the ring storage tower is vertically arranged on the plane of the rack, and the top end is open; the handle rings are stacked in the ring storage tower, and an outlet is formed in the bottom end side wall of the ring storage tower; the first cylinder has a first top rod and is fixed on the plane of the rack, and a guide groove is formed in the plane of the rack for the handle rings to enter, and the guide groove leads to the lower side of the hot press; the second cylinder has a second top rod and is fixed on the plane of the rack; under the action of the first cylinder and the second cylinder, the first top rod and the second top rod can push the handle rings out of the ring storage tower and send them to the guide groove, realizing the continuous conveying of the handle rings; and under the action of the hot press, the handle rings are fixed on the plastic belt, realizing rapid processing. However, the device is inconvenient to disassemble and maintain the cutter during use, and the cutter is prone to blade rolling or bending after long-term use, affecting the cutting quality of the packaging bag. SUMMARY

[0004] The present application aims to at least partially solve one of the technical problems in the related art.

[0005] To this end, the present application aims to provide a bag making machine, which can realize quick disassembly and assembly of the cutting knife through the quick fixing mechanism, improve the disassembly and assembly efficiency, switch multiple groups of cutting knives through the switching mechanism, prolong the use time through switching, reduce the replacement frequency, and have good use effect.

[0006] In order to achieve the above object, the application provides a bag making machine, which comprises a machine body and a cutter device, wherein the inner wall of the machine body is provided with a feeding roller, a conveying roller and a mounting seat from left to right, the outer surface of the machine body is provided with a controller, the top of the machine body is provided with an electric telescopic rod which is electrically connected with the controller, one end of the electric telescopic rod penetrates into the inside of the machine body and is fixedly connected with the top of the mounting seat, the cutter device comprises a frame, a quick fixing mechanism, a plurality of cutter bodies and a switching mechanism, the frame is arranged on one side of the bottom of the mounting seat and is connected with the bottom of the mounting seat through the quick fixing mechanism, the plurality of cutter bodies are equidistantly arranged at the bottom of the frame, the switching mechanism is arranged in the frame, and one end of each of the plurality of cutter bodies penetrates into the inside of the frame and is connected with the switching mechanism.

[0007] The bag making machine can realize quick disassembly and assembly of the cutting knife through the quick fixing mechanism, improve the disassembly and assembly efficiency, switch the plurality of cutting knives through the switching mechanism, prolong the use time through switching, reduce the replacement frequency, and has good use effect.

[0008] In addition, the bag making machine according to the application can have the following additional technical features:

[0009] Specifically, the quick fixing mechanism comprises a positioning seat, a positioning column, a limiting groove and a positioning cylinder, the positioning seat is symmetrically arranged at the top of the frame, the positioning column is symmetrically arranged at the top of the frame and located outside the positioning seat, the surface of the positioning column is symmetrically provided with an elastic clamping piece, the limiting groove is formed in the surface of the mounting seat and corresponds in position to the positioning seat, one end of the positioning seat is slidably connected to the inner wall of the limiting groove, the positioning cylinder is symmetrically arranged on the surface of the mounting seat and corresponds in position to the positioning column, a clamping groove is symmetrically formed in the surface of the positioning cylinder and corresponds in position to the elastic clamping piece, and one end of the positioning column penetrates into the inside of the positioning cylinder and is fixedly connected to the inner wall of the positioning cylinder through the elastic clamping piece and the clamping groove.

[0010] Specifically, the surface of the mounting seat is symmetrically provided with a connecting seat, the connecting seat is located between the positioning cylinder and the limiting groove, the surface of the connecting seat is symmetrically provided with an elastic clamping rod, a positioning hole is formed in the position corresponding to the elastic clamping rod on the surface of the positioning cylinder, the surface of the positioning column and the surface of the positioning seat, and one end of the elastic clamping rod is fixedly connected to the positioning hole.

[0011] Specifically, the top of the positioning seat and the top of the positioning column are both provided with a tapered portion, and the elastic clamping piece is arranged in a staggered manner with the positioning hole.

[0012] Specifically, the cutter body comprises a cutting knife, a spring and a conical extrusion groove, the cutting knife is slidingly connected at the bottom of the frame body, one end of the cutting knife penetrates into the inside of the frame body, the spring is fixedly connected between the cutting knife and the inner wall of the frame body, and the conical extrusion groove is arranged on the surface of the end of the cutting knife penetrating into the inside of the frame body, and the conical extrusion groove is connected with one end of the switching mechanism.

[0013] Specifically, the lengths of the ends of the plurality of groups of cutting knives penetrating into the inside of the frame body are equal, and the plurality of groups of conical extrusion grooves are located on the same horizontal line.

[0014] Specifically, the switching mechanism comprises a threaded screw rod, an adjusting handle, a guide rod and a conical sliding seat, the threaded screw rod is rotationally connected to the inner wall of the frame body, one end of the threaded screw rod penetrates out of the outside of the frame body and is fixedly connected with the adjusting handle, the guide rod is symmetrically arranged on the inner wall of the frame body and located on the outer side of the threaded screw rod, and the conical sliding seat is threadedly connected to the outer surface of the threaded screw rod and slidingly connected to the outer surface of the guide rod.

[0015] Specifically, the threaded screw rod, the guide rod and the conical sliding seat are located in the conical extrusion groove in the cutter body, and the conical sliding seat is matched with the outer dimensions of the conical extrusion groove.

[0016] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, including the accompanying drawings.

[0018] Figure 1 A structure schematic diagram of a bag making machine according to an embodiment of the present application;

[0019] Figure 2 A cutter device structure schematic diagram in a bag making machine according to an embodiment of the present application;

[0020] Figure 3 A connecting seat structure schematic diagram in a bag making machine according to an embodiment of the present application;

[0021] Figure 4 A positioning seat structure schematic diagram in a bag making machine according to an embodiment of the present application;

[0022] Figure 5 A switching mechanism structure schematic diagram in a bag making machine according to an embodiment of the present application.

[0023] As shown in the drawings:

[0024] 1, body; 2, feeding roller; 3, conveying roller; 4, mounting seat; 5, controller; 6, electric telescopic rod;

[0025] 7, cutter device; 71, frame body; 72, quick fixing mechanism; 73, cutter body; 74, switching mechanism;

[0026] 721, positioning seat; 722, positioning column; 723, elastic clamping piece; 724, positioning hole; 725, limiting groove; 726, connecting seat; 727, elastic clamping rod; 728, positioning cylinder; 729, clamping groove;

[0027] 100, conical part; 731, cutting knife; 732, spring; 733, conical extrusion groove;

[0028] 741, threaded screw rod; 742, adjusting handle; 743, guide rod; 744, conical sliding seat. DETAILED DESCRIPTION

[0029] The embodiments of the present application will be described in detail below with reference to the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and should not be understood as limiting the present application. On the contrary, the embodiments of the present application include all changes, modifications and equivalents falling within the spirit and scope of the appended claims.

[0030] A bag making machine is described below according to an embodiment of the present application.

[0031] As shown in the drawings, Figures 1-5 A bag making machine according to an embodiment of the present application can include a body 1 and a cutter device 7, wherein,

[0032] The inner wall of the body 1 is provided with a feeding roller 2, a conveying roller 3 and a mounting seat 4 from left to right, the outer surface of the body 1 is provided with a controller 5, the top of the body 1 is provided with an electric telescopic rod 6, and the electric telescopic rod 6 is electrically connected with the controller 5, one end of the electric telescopic rod 6 penetrates into the inside of the body 1 and is fixedly connected with the top of the mounting seat 4;

[0033] The cutter device 7 includes a frame body 71, a quick fixing mechanism 72, a plurality of cutter bodies 73 and a switching mechanism 74, wherein,

[0034] The frame body 71 is arranged at one side of the bottom of the mounting seat 4 and is connected with the bottom of the mounting seat 4 through the quick fixing mechanism 72, the plurality of cutter bodies 73 are equidistantly arranged at the bottom of the frame body 71, the switching mechanism 74 is arranged in the inside of the frame body 71, and one end of the plurality of cutter bodies 73 penetrates into the inside of the frame body 71 and is connected with the switching mechanism 74.

[0035] In one embodiment of the present application, asFigures 1-5 As shown in the figure, the quick fixing mechanism 72 comprises a positioning seat 721, a positioning column 722, a limiting groove 725 and a positioning cylinder 728, wherein the positioning seat 721 is symmetrically arranged on the top of the frame body 71, the positioning column 722 is symmetrically arranged on the top of the frame body 71 and located outside the positioning seat 721, the surface of the positioning column 722 is symmetrically provided with an elastic clamping piece 723, the limiting groove 725 is formed on the surface of the mounting seat 4 and corresponds to the position of the positioning seat 721, one end of the positioning seat 721 is slidably connected to the inner wall of the limiting groove 725, and the positioning cylinder 728 is symmetrically arranged on the surface of the mounting seat 4 and corresponds to the position of the positioning column 722. The surface of the positioning cylinder 728 is symmetrically provided with a clamping groove 729, which corresponds to the position of the elastic clamping piece 723, and one end of the positioning column 722 penetrates into the inside of the positioning cylinder 728 and is clamped and fixed with the inner wall of the positioning cylinder 728 through the cooperation of the elastic clamping piece 723 and the clamping groove 729.

[0036] It should be noted that the structure and connection relationship of the quick fixing mechanism 72 are further described. The quick fixing mechanism 72 is arranged to facilitate quick fixing of the frame body 71, improve installation efficiency, and facilitate disassembly, thereby achieving good use effect.

[0037] Specifically, during use, the positioning seat 721 is inserted into the inside of the limiting groove 725, and the positioning column 722 is inserted into the inside of the positioning cylinder 728. When the elastic clamping piece 723 is moved to the position of the clamping groove 729 and clamped with the clamping groove 729, the installation of the frame body 71 is completed, which is simple to operate and convenient to disassemble.

[0038] In an embodiment of the present application, as shown in the figure, Figures 1-5 The surface of the mounting seat 4 is symmetrically provided with a connecting seat 726, the connecting seat 726 is located between the positioning cylinder 728 and the limiting groove 725, the surface of the connecting seat 726 is symmetrically provided with an elastic clamping rod 727, the surface of the positioning cylinder 728, the surface of the positioning column 722 and the surface of the positioning seat 721 are all provided with a positioning hole 724 at positions corresponding to the elastic clamping rod 727, and one end of the elastic clamping rod 727 is clamped and fixed with the positioning hole 724.

[0039] It should be noted that the surface of the elastic clamping rod 727 is provided with a ring table (not shown in the figure), which facilitates pulling of the elastic clamping rod 727 to move it out of the inside of the positioning hole 724, thereby achieving good use effect.

[0040] It should be noted that the connecting seat 726, the elastic clamping rod 727 and the positioning hole 724 are cooperated to further fix the position of the frame body 71, and the clamping design facilitates disassembly, thereby achieving good use effect.

[0041] In an embodiment of the present application, as shown in the figure, Figures 1-5 The top of the positioning seat 721 and the top of the positioning column 722 are both provided with a tapered portion 100, and the elastic clamping piece 723 is arranged in a staggered manner with the positioning hole 724.

[0042] Need to explain, the taper part 100 design facilitates extrusion elastic card rod 727, elastic card 723 and positioning hole 724 mispositioned set facilitates card joint use, not affect each other, good use effect.

[0043] In an embodiment of the present application, as shown in Figures 1-5 The cutter body 73 includes a cutting knife 731, a spring 732 and a tapered extrusion groove 733, wherein the cutting knife 731 is slidingly connected at the bottom of the frame body 71, one end of the cutting knife 731 penetrates into the inside of the frame body 71, and the spring 732 is fixedly connected between the cutting knife 731 and the inner wall of the frame body 71, the tapered extrusion groove 733 is provided on the surface of the end of the cutting knife 731 penetrating into the inside of the frame body 71, and the tapered extrusion groove 733 is connected with one end of the switching mechanism 74.

[0044] Need to explain, further to the structure and connection relationship of the cutter body 73, the spring 732 is set to facilitate the automatic reset of the cutting knife 731, and the tapered extrusion groove 733 is set to facilitate the descent of the cutting knife 731 driven by the tapered sliding seat 744, and the use effect is good.

[0045] In an embodiment of the present application, as shown in Figures 1-5 The lengths of the plurality of cutting knives 731 penetrating into the inside of the frame body 71 are equal, and the plurality of tapered extrusion grooves 733 are located on the same horizontal line.

[0046] Need to explain, further to the length of the cutting knife 731 and the position of the tapered extrusion groove 733, the position accuracy is guaranteed by limiting, and the use effect is good.

[0047] In an embodiment of the present application, as shown in Figures 1-5 The switching mechanism 74 includes a threaded screw rod 741, an adjusting handle 742, a guide rod 743 and a tapered sliding seat 744, wherein the threaded screw rod 741 is rotatably connected to the inner wall of the frame body 71, one end of the threaded screw rod 741 penetrates out of the frame body 71 and is fixedly connected with the adjusting handle 742, the guide rod 743 is symmetrically arranged on the inner wall of the frame body 71 and located outside the threaded screw rod 741, and the tapered sliding seat 744 is threadedly connected to the outer surface of the threaded screw rod 741 and slidingly connected to the outer surface of the guide rod 743.

[0048] Need to explain, further to the structure and connection relationship of the switching mechanism 74, the switching mechanism 74 is set to facilitate the switching of the plurality of cutter bodies 73, to prolong the replacement time, and the use effect is good.

[0049] Specifically, in use, the rotating adjusting handle 742 is rotated to drive the threaded screw rod 741 to rotate, the threaded screw rod 741 is driven to move the conical sliding seat 744 along the outer surface of the threaded screw rod 741 and the outer surface of the guide rod 743 to the inside of the conical extrusion groove 733, and the cutting knife 731 corresponding to the conical extrusion groove 733 is driven to move downward by moving to the inside of the conical extrusion groove 733, so that the tool switching is realized.

[0050] In one embodiment of the present application, as shown in Figures 1-5 The threaded screw rod 741, the guide rod 743 and the conical sliding seat 744 are located in the inside of the conical extrusion groove 733 in the tool body 73, and the conical sliding seat 744 is matched with the outer dimensions of the conical extrusion groove 733.

[0051] It should be noted that the threaded screw rod 741, the guide rod 743 and the conical sliding seat 744 are located in the inside of the conical extrusion groove 733 in the tool body 73, so that the threaded screw rod 741 can drive the conical sliding seat 744 to move synchronously when rotating, and the cutting knife 731 is driven to move downward synchronously when the conical sliding seat 744 enters the inside of the conical extrusion groove 733, so that the tool switching is realized.

[0052] The utility model works as follows: in use, the controller 5 controls the electric telescopic rod 6 to run, the electric telescopic rod 6 drives the mounting seat 4 to ascend, then the frame body 71 is moved to the bottom of the mounting seat 4, then the positioning seat 721 is inserted into the limiting groove 725, and the positioning column 722 is inserted into the positioning cylinder 728, when the elastic clamp 723 is moved to the position of the clamping groove 729 and is clamped with the clamping groove 729, the frame body 71 is installed, when one group of cutting knives 731 needs to be replaced, the rotating adjusting handle 742 is rotated to drive the threaded screw rod 741 to rotate, the threaded screw rod 741 is driven to move the conical sliding seat 744 along the outer surface of the threaded screw rod 741 and the outer surface of the guide rod 743 to the inside of the conical extrusion groove 733, and the cutting knife 731 corresponding to the conical extrusion groove 733 is driven to move downward by moving to the inside of the conical extrusion groove 733, so that the tool switching is realized.

[0053] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can be explicitly or implicitly included at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0054] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0055] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. A bag-making machine, characterized in that, Includes a body (1) and a cutting tool device (7), wherein, The inner wall of the machine body (1) is provided with a feeding roller (2), a conveying roller (3) and a mounting base (4) from left to right. The outer surface of the machine body (1) is provided with a controller (5). The top of the machine body (1) is provided with an electric telescopic rod (6) and is electrically connected to the controller (5). One end of the electric telescopic rod (6) penetrates into the interior of the machine body (1) and is fixedly connected to the top of the mounting base (4). The cutting tool device (7) includes a frame (71), a quick-release mechanism (72), multiple sets of cutting tools (73), and a switching mechanism (74), wherein, The frame (71) is located on one side of the bottom of the mounting base (4) and is connected to the bottom of the mounting base (4) through the quick-release mechanism (72). Multiple sets of blades (73) are equidistantly arranged at the bottom of the frame (71). The switching mechanism (74) is located inside the frame (71). One end of each set of blades (73) penetrates into the interior of the frame (71) and is connected to the switching mechanism (74). The blade body (73) includes a cutting blade (731), a spring (732), and a conical extrusion groove (733), wherein, The cutting blade (731) is slidably connected to the bottom of the frame (71). One end of the cutting blade (731) penetrates into the interior of the frame (71) and is fixedly connected to the inner wall of the frame (71) by the spring (732). The conical extrusion groove (733) is formed on the surface of the end of the cutting blade (731) that penetrates into the interior of the frame (71). The conical extrusion groove (733) is connected to one end of the switching mechanism (74). The lengths of the ends of the multiple sets of cutting blades (731) that penetrate into the frame (71) are equal, and the multiple sets of conical extrusion grooves (733) are all on the same horizontal line; The switching mechanism (74) includes a threaded screw (741), an adjusting handle (742), a guide rod (743), and a tapered slide (744), wherein, The threaded screw (741) is rotatably connected to the inner wall of the frame (71). One end of the threaded screw (741) extends through the outside of the frame (71) and is fixedly connected to the adjusting handle (742). The guide rod (743) is symmetrically arranged on the inner wall of the frame (71) and located outside the threaded screw (741). The tapered slide (744) is threaded to the outer surface of the threaded screw (741) and slidably connected to the outer surface of the guide rod (743). The threaded screw (741), the guide rod (743) and the tapered slide (744) are all located inside the tapered extrusion groove (733) in the cutter body (73), and the tapered slide (744) is adapted to the outer dimensions of the tapered extrusion groove (733).

2. The bag-making machine according to claim 1, characterized in that, The quick-release mechanism (72) includes a positioning seat (721), a positioning post (722), a limiting groove (725), and a positioning cylinder (728), wherein, The positioning seats (721) are symmetrically arranged on the top of the frame (71), and the positioning posts (722) are symmetrically arranged on the top of the frame (71) and located outside the positioning seats (721). The surfaces of the positioning posts (722) are symmetrically provided with elastic clips (723). The limiting groove (725) is formed on the surface of the mounting base (4) and corresponds to the position of the positioning seats (721). One end of the positioning seats (721) is slidably connected to the limiting groove (725). The positioning cylinder (728) is symmetrically arranged on the surface of the mounting base (4) and corresponds to the position of the positioning post (722). The surface of the positioning cylinder (728) is symmetrically provided with slots (729) and corresponds to the position of the elastic clip (723). One end of the positioning post (722) penetrates into the interior of the positioning cylinder (728) and is engaged and fixed with the inner wall of the positioning cylinder (728) through the cooperation of the elastic clip (723) and the slot (729).

3. A bag-making machine according to claim 2, characterized in that, The mounting base (4) is symmetrically provided with connecting seats (726), which are located between the positioning cylinder (728) and the limiting groove (725). The connecting seat (726) is symmetrically provided with elastic locking rods (727). The positioning cylinder (728), the positioning post (722), and the positioning base (721) are all provided with positioning holes (724) at positions corresponding to the elastic locking rods (727). One end of the elastic locking rods (727) is engaged and fixed with the positioning holes (724).

4. A bag-making machine according to claim 3, characterized in that, The top of the positioning seat (721) and the top of the positioning post (722) are both provided with a tapered part (100), and the elastic clip (723) is misaligned with the positioning hole (724).

Citation Information

Patent Citations

  • Bag making machine

    CN208324365U

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    CN217802074U

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    CN219749066U