Marking device and method for food packaging bag processing
By introducing an adjustment component into the marking device, the problem of the inability to adjust the height of the marking machine body was solved, enabling adaptive adjustment based on the operator's height, reducing labor intensity, and improving work efficiency and comfort.
Patent Information
- Application Number
- CN202511407585.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-29
- Publication Date
- 2026-01-23
AI Technical Summary
Existing marking devices for food packaging bag processing cannot adjust the height, causing operators to have to bend over or stand on tiptoe for long periods of time due to differences in height and arm length, increasing labor intensity and reducing work efficiency and comfort.
An adjustment component was designed, including a mounting base plate, a connecting base plate, a limiting slide, an adjusting slider, a screw, a moving frame, and a mounting frame. The height of the marking machine can be adjusted by rotating the screw and directional limiting the limiting slide to accommodate the height differences of the operators.
By adjusting the height of the marking machine, discomfort for operators is reduced, and work efficiency and comfort are improved.
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Figure CN121375221A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of food packaging bag, in particular to a food packaging bag processing marking device and method. BACKGROUND
[0002] Some conventional marking machines need to be pressed by manpower, manual pressing has the problems of insufficient force and deviation, and cannot press marks on the packaging bag, which not only wastes manpower but also cannot meet the marking requirements.
[0003] The prior art discloses a food packaging bag processing marking device, which comprises a box body, a box door rotatably connected to the top of the box body, a cylinder installed in the inner cavity of the box body, a first fixed block fixedly connected to the top of the piston rod of the cylinder, a transmission rod fixedly connected to the first fixed block, rocker arms fixedly connected to the two ends of the transmission rod, a second fixed block rotatably connected to the end of the rocker arm away from the transmission rod, an extrusion block fixedly connected to one side of the rocker arm, a first support frame fixedly connected to the bottom of the second fixed block, a first fixed ring fixedly connected to one side of the first support frame, a transmission column slidingly connected to the inner ring of the first fixed ring, and a marking block fixedly connected to the bottom of the transmission column.
[0004] However, the existing device cannot adjust the height of the marking body, and the height and arm length of different operators are different, so that the operator needs to adopt uncomfortable actions such as bending over and standing on tiptoe to operate the body to mark the packaging bag for a long time, thereby increasing the labor intensity and reducing the work efficiency and comfort. SUMMARY
[0005] The present application aims to provide a food packaging bag processing marking device and method, which can solve the problem that the existing device cannot adjust the height of the marking body, and the height and arm length of different operators are different, so that the operator needs to adopt uncomfortable actions such as bending over and standing on tiptoe to operate the body to mark the packaging bag for a long time, thereby increasing the labor intensity and reducing the work efficiency and comfort.
[0006] To achieve the above-mentioned purpose, the present application provides a food packaging bag processing marking device, which comprises a marking body, a marking table and a marking block, the marking table is arranged on the marking body, the marking block is arranged on the marking body and located on the side of the marking body close to the marking table, and further comprises an adjusting assembly, The adjusting assembly comprises a mounting bottom plate, a connecting bottom plate, a limiting sliding frame, an adjusting sliding block, a screw rod, a moving frame, a mounting frame, a connecting member, a rotating member and a supporting member, the mounting bottom plate is fixedly connected with the marking machine body and located at one side of the marking machine body, the connecting bottom plate is connected with the mounting bottom plate through the connecting member and located at one side of the mounting bottom plate, the limiting sliding frame is fixedly connected with the connecting bottom plate and located at one side of the connecting bottom plate, the adjusting sliding block is slidingly connected with the limiting sliding frame and located at one side of the limiting sliding frame, the screw rod is connected with the connecting bottom plate through the rotating member and threadedly connected with the adjusting sliding block and located at one side of the connecting bottom plate close to the adjusting sliding block, the moving frame is fixedly connected with the adjusting sliding block and located at one side of the adjusting sliding block, the mounting frame is fixedly connected with the moving frame and the mounting bottom plate respectively, the mounting frame is located at one side of the moving frame close to the mounting bottom plate, the connecting member is arranged on the mounting bottom plate and connected with the connecting bottom plate, the rotating member is arranged on the connecting bottom plate and connected with the screw rod, and the supporting member is arranged on the connecting bottom plate.
[0007] The connecting member comprises a connecting column, a sliding block and a connecting frame, the connecting column is fixedly connected with the mounting bottom plate and located at one side of the mounting bottom plate, the sliding block is fixedly connected with the connecting column and located at one side of the connecting column, and the connecting frame is connected with the sliding block and fixedly connected with the connecting bottom plate and located at one side of the sliding block close to the connecting bottom plate.
[0008] The rotating member comprises a rotating base and a rotating rod, the rotating base is fixedly connected with the connecting bottom plate and located at one side of the connecting bottom plate, the rotating rod is rotationally connected with the rotating base and fixedly connected with the screw rod and located at one side of the rotating base close to the screw rod.
[0009] The rotating member further comprises a limiting ring, the limiting ring is fixedly connected with the rotating rod and located at one side of the rotating rod close to the rotating base.
[0010] The supporting member comprises a supporting column and a supporting base, the supporting column is fixedly connected with the connecting bottom plate and located at one side of the connecting bottom plate, and the supporting base is fixedly connected with the supporting column and located at one side of the supporting column.
[0011] The supporting member further comprises a rubber pad, the rubber pad is fixedly connected with the supporting base and located at one side of the supporting base.
[0012] The connecting member further comprises a locking component, the locking component comprises a locking rack and a locking bolt, the locking rack is fixedly connected with the connecting rack and located on one side of the connecting rack; the locking bolt is arranged on the locking rack and abuts against the connecting column.
[0013] The adjusting assembly further comprises a scale member, the scale member comprises a fixing rack and a scale sticker, the fixing rack is fixedly connected with the connecting bottom plate and located on the side of the connecting bottom plate close to the mounting bottom plate; the scale sticker is fixedly connected with the fixing rack and located on the side of the fixing rack close to the mounting bottom plate.
[0014] A marking method for food packaging bag processing, comprising the following steps: Adjust the height of the marking machine body on the mounting bottom plate according to the height of the operator himself; Confirm that there is no residue on the surface of the marking block and the surface of the marking table is flat and clean; Stack the packaging bags to be marked neatly on the marking table; Start the marking machine body to drive the marking block to press down and contact the surface of the packaging bag to form an imprint; The marking block moves up to disengage from the packaging bag to complete the marking of the packaging bag.
[0015] When the height of the marking machine body needs to be adjusted, the rotation of the screw rod is driven by starting the rotating member, the upward and downward movement of the adjusting sliding block in the limiting sliding bracket is limited by the threads of the screw rod and the directional limiting action of the limiting sliding bracket, the upward and downward movement of the mounting rack on the moving rack is driven by the movement of the adjusting sliding block, the upward and downward movement of the mounting bottom plate on the mounting rack is driven by the upward and downward movement of the mounting rack, and the height of the marking machine body on the mounting bottom plate is adjusted by the upward and downward movement of the mounting bottom plate, so that the height of the marking machine body can be adjusted according to the height of the operator himself, the operator does not need to adopt uncomfortable actions such as bending over and standing on tiptoe to operate the machine body for packaging bag marking, the labor intensity is reduced, and the work efficiency and comfort are improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced.
[0017] Figure 1 It is a structural schematic view of the marking device for food packaging bag processing in the first embodiment of the present application.
[0018] Figure 2It is the structural schematic view of the connecting member of the first embodiment of the present application.
[0019] Figure 3 It is the structural schematic view of the limiting slide of the first embodiment of the present application Figure 4 It is the structural schematic view of the marking device for food packaging bag processing of the second embodiment of the present application.
[0020] Figure 5 It is the structural schematic view of the marking device for food packaging bag processing of the third embodiment of the present application.
[0021] Figure 6 It is the step diagram of the marking method for food packaging bag processing of the fourth embodiment of the present application.
[0022] In the figure: 101-marking machine body, 102-marking table, 103-marking block, 104-installation bottom plate, 105-connection bottom plate, 106-limiting slide, 107-adjusting sliding block, 108-screw rod, 109-moving frame, 110-installation frame, 111-connection column, 112-sliding block, 113-connection frame, 114-rotating base, 115-rotating rod, 116-limiting ring, 117-supporting column, 118-supporting base, 119-rubber pad, 201-locking frame, 202-locking bolt, 301-fixing frame, 302-scale sticker. DETAILED DESCRIPTION
[0023] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, the embodiments described below by referring to the accompanying drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.
[0024] The first embodiment of the present application is: Please refer to Figures 1 to 3 , wherein Figure 1 It is the structural schematic view of the marking device for food packaging bag processing of the first embodiment of the present application. Figure 2 It is the structural schematic view of the connecting member of the first embodiment of the present application. Figure 3 It is the structural schematic view of the limiting slide of the first embodiment of the present application.
[0025] The application provides a marking device for food packaging bag processing, which comprises a marking body 101, a marking table 102, a marking block 103 and an adjusting assembly, the adjusting assembly comprises a mounting bottom plate 104, a connecting bottom plate 105, a limiting sliding frame 106, an adjusting sliding block 107, a screw rod 108, a moving frame 109, a mounting frame 110, a connecting member, a rotating member and a supporting member, the connecting member comprises a connecting column 111, a sliding block 112 and a connecting frame 113, the rotating member comprises a rotating base 114, a rotating rod 115 and a limiting ring 116, and the supporting member comprises a supporting column 117, a supporting base plate 118 and a rubber pad 119. The foregoing scheme solves the problem that the height of the marking body cannot be adjusted in the prior device, and the height and arm length of different operators are different, so that the operator needs to adopt uncomfortable actions such as bending over and standing on tiptoe to operate the body for packaging bag marking for a long time, thereby increasing the labor intensity and reducing the work efficiency and comfort. It can be understood that the foregoing scheme can be used in the case where the height of the marking machine needs to be adjusted.
[0026] In the embodiment, the marking table 102 is arranged on the marking body 101, so that the operator can neatly stack the packaging bags to be marked on the marking table 102, the marking block 103 is arranged on the marking body 101, so that the marking body 101 can drive the marking block 103 to press down and rebound to move up, thereby the marking block 103 can mark the packaging bags on the marking table 102, and the structure of the marking body 101, the marking table 102 and the marking block 103 is described in detail in the prior art CN215152418U, which will not be repeated here.
[0027] The installation bottom plate 104 is fixedly connected with the marking machine body 101 and located on one side of the marking machine body 101. The connecting bottom plate 105 is connected with the installation bottom plate 104 through the connecting member and located on one side of the installation bottom plate 104. The limiting sliding frame 106 is fixedly connected with the connecting bottom plate 105 and located on one side of the connecting bottom plate 105. The adjusting sliding block 107 is slidingly connected with the limiting sliding frame 106 and located on one side of the limiting sliding frame 106. The screw rod 108 is connected with the connecting bottom plate 105 through the rotating member and threadedly connected with the adjusting sliding block 107 and located on one side of the connecting bottom plate 105 close to the adjusting sliding block 107. The moving frame 109 is fixedly connected with the adjusting sliding block 107 and located on one side of the adjusting sliding block 107. The mounting frame 110 is fixedly connected with the moving frame 109 and the installation bottom plate 104 respectively. The mounting frame 110 is located on one side of the moving frame 109 close to the installation bottom plate 104. The connecting member is arranged on the installation bottom plate 104 and connected with the connecting bottom plate 105. The rotating member is arranged on the connecting bottom plate 105 and connected with the screw rod 108. The supporting member is arranged on the connecting bottom plate 105. The installation bottom plate 104 is bolted and installed below the marking machine body 101. The connecting bottom plate 105 is installed below the installation bottom plate 104 through the connecting member. The movement of the installation bottom plate 104 on the connecting bottom plate 105 is connected, supported and directionally limited through the connecting member. The limiting sliding frame 106 is welded on the connecting bottom plate 105. The limiting sliding frame 106 has a limiting sliding groove. The adjusting sliding block 107 is slidingly connected in the limiting sliding frame 106. The movement of the adjusting sliding block 107 is connected, supported and directionally limited in the limiting sliding frame 106 through the limiting sliding frame 106. The screw rod 108 is connected on the connecting bottom plate 105 through the rotating member. The screw rod 108 is driven to rotate through the rotating member. The screw rod 108 is threadedly connected on the adjusting sliding block 107. The screw rod 108 is driven to move up and down in the limiting sliding frame 106 when rotating under the directional limiting action of the thread of the screw rod 108 and the limiting sliding frame 106 on the movement of the adjusting sliding block 107. The moving frame 109 is welded on the adjusting sliding block 107. The mounting frame 110 is welded on the moving frame 109. The mounting frame 110 on the moving frame 109 is driven to move up and down through the movement of the adjusting sliding block 107. The mounting frame 110 is bolted and installed below the installation bottom plate 104. The marking machine body 101 on the installation bottom plate 104 is driven to move up and down for adjustment through the up and down movement of the mounting frame 110. The connecting member is arranged on the installation bottom plate 104 and connected with the connecting bottom plate 105.The connecting member can support the up-down movement of the mounting base plate 104 on the connecting base plate 105, the rotating member is arranged on the connecting base plate 105 and connected with the screw rod 108, the rotating member can drive the screw rod 108 to rotate, the supporting member is arranged on the connecting base plate 105, and the connecting base plate 105 and the connecting structure thereof are supported on the ground through the supporting member, so that when the height of the marking machine body 101 needs to be adjusted, the rotating member is started to drive the screw rod 108 to rotate, the screw rod 108 is driven to move up and down in the limiting slide rack 106 under the directional limiting action of the screw thread of the screw rod 108 and the movement of the adjusting slide block 107, the adjusting slide block 107 is driven to move up and down on the mounting frame 110 on the moving frame 109 through the movement of the adjusting slide block 107, and the mounting base plate 104 and the marking machine body 101 on the mounting base plate 104 are driven to move up and down and adjust through the up-down movement of the mounting frame 110, so that the height of the marking machine body 101 can be adjusted according to the height of the operator, the operator can avoid adopting uncomfortable actions such as bending over and standing on tiptoe to operate the machine to mark the packaging bag for a long time, the labor intensity is reduced, and the work efficiency and comfort are improved.
[0028] Secondly, the connecting column 111 is fixedly connected with the mounting base plate 104 and located on one side of the mounting base plate 104; the sliding block 112 is fixedly connected with the connecting column 111 and located on one side of the connecting column 111; the connecting frame 113 is connected with the sliding block 112 and fixedly connected with the connecting base plate 105, and located on the side of the sliding block 112 close to the connecting base plate 105; the connecting column 111 has four, four connecting columns 111 are welded below the mounting base plate 104; the sliding block 112 has four, four sliding blocks 112 are welded on the corresponding four connecting columns 111; the connecting frame 113 has four, four connecting frames 113 are welded on the connecting base plate 105; the connecting frame 113 has a sliding groove, and four sliding blocks 112 slide in the sliding grooves of the corresponding four connecting frames 113; the connecting frame 113 can support and directionally limit the movement of the connecting column 111 on the sliding block 112, and the movement of the mounting base plate 104 can be supported and directionally limited through the movement of the connecting column 111.
[0029] Meanwhile, the rotating base 114 is fixedly connected with the connecting bottom plate 105 and located at one side of the connecting bottom plate 105; the rotating rod 115 is rotatably connected with the rotating base 114 and fixedly connected with the screw rod 108, and located at one side of the rotating base 114 close to the screw rod 108; the limiting ring 116 is fixedly connected with the rotating rod 115 and located at one side of the rotating rod 115 close to the rotating base 114; the rotating base 114 is welded on the connecting bottom plate 105; the rotating rod 115 is rotatably connected in the rotating base 114, and the rotating base 114 can support the rotation of the rotating rod 115; one end of the rotating rod 115 is welded on the screw rod 108, and the other end of the rotating rod 115 can be connected with an external motor, which can drive the screw rod 108 of the rotating rod 115 to rotate; the limiting ring 116 is welded on the rotating rod 115, and the limiting ring 116 is rotatably limited in the rotating base 114, so that the rotating rod 115 cannot move or fall out of the rotating base 114 when rotating in the rotating base 114.
[0030] Finally, the support column 117 is fixedly connected with the connecting bottom plate 105 and located at one side of the connecting bottom plate 105; the support base 118 is fixedly connected with the support column 117 and located at one side of the support column 117; the rubber pad 119 is fixedly connected with the support base 118 and located at one side of the support base 118; the support column 117 has four, and four support columns 117 are welded below the connecting bottom plate 105; the support base 118 has four, and four support bases 118 are welded below the corresponding four support columns 117; the support base 118 and the support column 117 can stably support the connecting bottom plate 105 and its connecting structure on the ground; the rubber pad 119 has four, and four rubber pads 119 are bonded to the corresponding four support bases 118; the rubber pad 119 can improve the friction force when the support base 118 contacts the ground.
[0031] When the height of the marking machine body 101 needs to be adjusted when using the food packaging bag processing marking device, the rotation member is started to drive the rotation of the screw rod 108, and the screw rod 108 can drive the adjusting sliding block 107 to move up and down in the limiting sliding bracket 106 under the directional limiting action of the screw thread of the screw rod 108 and the limiting sliding bracket 106, the movement of the adjusting sliding block 107 can drive the mounting bracket 110 on the moving frame 109 to move up and down, and the mounting bracket 110 can drive the marking machine body 101 on the mounting bottom plate 104 to move up and down for adjustment, so that the height of the marking machine body 101 can be adjusted according to the height of the operator, avoiding the operator from needing to adopt uncomfortable actions such as bending over and standing on tiptoe to operate the machine body for packaging bag marking, thereby reducing the labor intensity, and further improving the work efficiency and comfort.
[0032] The second embodiment of the present application is: On the basis of the first embodiment, please refer to Figure 4 , Figure 4 is a structural schematic view of the food packaging bag processing marking device of the second embodiment of the present application.
[0033] The food packaging bag processing marking device further comprises a locking component, and the locking component comprises a locking bracket 201 and a locking bolt 202.
[0034] The locking bracket 201 is fixedly connected with the connecting bracket 113 and located on one side of the connecting bracket 113; the locking bolt 202 is arranged on the locking bracket 201 and abuts against the connecting column 111; the locking bracket 201 has four, and the four locking brackets 201 are welded on the corresponding four connecting brackets 113; the locking bracket 201 has a threaded hole matched with the locking bolt 202; the locking bolt 202 has four, and the four locking bolts 202 are arranged on the corresponding four locking brackets 201 and abut against the corresponding four connecting columns 111; the locking bolt 202 can abut against the connecting column 111 through the locking bracket 201 by screwing the locking bolt 202, and the movement of the mounting bottom plate 104 on the connecting column 111 can be locked during the marking machine body 101 operation.
[0035] The third embodiment of the present application is: On the basis of the second embodiment, please refer to Figure 5 , Figure 5 is a structural schematic view of the food packaging bag processing marking device of the third embodiment of the present application.
[0036] The food packaging bag processing marking device further comprises a scale member, and the scale member comprises a fixing frame 301 and a scale sticker 302.
[0037] The fixing frame 301 is fixedly connected with the connecting bottom plate 105 and located on the side of the connecting bottom plate 105 close to the mounting bottom plate 104; the scale sticker 302 is fixedly connected with the fixing frame 301 and located on the side of the fixing frame 301 close to the mounting bottom plate 104; the fixing frame 301 is welded on the connecting bottom plate 105 and penetrates through the mounting bottom plate 104; the scale sticker 302 is bonded on the fixing frame 301; the scale sticker 302 has scale values; the scale values on the scale sticker 302 can help the operator accurately identify the height adjustment position of the mounting bottom plate 104, so that the operator can quickly adjust the mounting bottom plate 104 to the corresponding height of the operator to use the marking machine body 101 on the mounting bottom plate 104.
[0038] The fourth embodiment of the present application is: On the basis of the third embodiment, please refer to Figure 6 , Figure 6 is a step diagram of the food packaging bag processing marking method of the fourth embodiment of the present application.
[0039] The present application provides a food packaging bag processing marking method, comprising the following steps: S401: adjusting the height of the marking machine body 101 on the mounting bottom plate 104 according to the height of the operator; S402: confirming that the surface of the marking block 103 is free of residues and the surface of the marking table 102 is flat and clean; S403: neatly stacking the packaging bags to be marked on the marking table 102; S404: starting the marking machine body 101 to drive the marking block 103 to press down and contact the surface of the packaging bag to form an engraved mark; S405: moving the marking block 103 away from the packaging bag to complete the marking of the packaging bag.
[0040] The above disclosure is only one or more preferred embodiments of the present application, and cannot limit the scope of the rights of the present application. Those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope covered by the present application.
Claims
1. A marking device for food packaging bag processing, comprising a marking machine body, a marking table and a marking block, the marking table is arranged on the marking machine body, the marking block is arranged on the marking machine body and located on the side of the marking machine body close to the marking table, characterized in that, further comprising an adjusting assembly, The adjusting assembly comprises a mounting bottom plate, a connecting bottom plate, a limiting slide, an adjusting slide, a screw rod, a moving frame, a mounting frame, a connecting member, a rotating member and a supporting member, the mounting bottom plate is fixedly connected with the marking machine body and located on one side of the marking machine body, the connecting bottom plate is connected with the mounting bottom plate through the connecting member and located on one side of the mounting bottom plate, the limiting slide is fixedly connected with the connecting bottom plate and located on one side of the connecting bottom plate, the adjusting slide is slidingly connected with the limiting slide and located on one side of the limiting slide, the screw rod is connected with the connecting bottom plate through the rotating member and threadedly connected with the adjusting slide and located on one side of the connecting bottom plate close to the adjusting slide, the moving frame is fixedly connected with the adjusting slide and located on one side of the adjusting slide, the mounting frame is fixedly connected with the moving frame and the mounting bottom plate respectively, the mounting frame is located on one side of the moving frame close to the mounting bottom plate, the connecting member is arranged on the mounting bottom plate and connected with the connecting bottom plate, the rotating member is arranged on the connecting bottom plate and connected with the screw rod, and the supporting member is arranged on the connecting bottom plate.
2. The marking device for food packaging bag processing according to claim 1, characterized in that, The connecting member comprises a connecting column, a sliding block and a connecting frame, the connecting column is fixedly connected with the mounting bottom plate and located on one side of the mounting bottom plate, the sliding block is fixedly connected with the connecting column and located on one side of the connecting column, and the connecting frame is connected with the sliding block and fixedly connected with the connecting bottom plate and located on one side of the sliding block close to the connecting bottom plate.
3. The marking device for food packaging bag processing according to claim 1, characterized in that, The rotating member comprises a rotating base and a rotating rod, the rotating base is fixedly connected with the connecting bottom plate and located on one side of the connecting bottom plate, and the rotating rod is rotationally connected with the rotating base and fixedly connected with the screw rod and located on one side of the rotating base close to the screw rod.
4. The marking device for food packaging bag processing according to claim 1, characterized in that, The supporting member comprises a supporting column and a supporting base, the supporting column is fixedly connected with the connecting bottom plate and located on one side of the connecting bottom plate, and the supporting base is fixedly connected with the supporting column and located on one side of the supporting column.
5. The marking device for food packaging bag processing according to claim 2, characterized in that, The connecting member further comprises a locking part, the locking part comprises a locking frame and a locking bolt, the locking frame is fixedly connected with the connecting frame and located on one side of the connecting frame, and the locking bolt is arranged on the locking frame and abuts against the connecting column. 6. The marking device for food packaging bag processing according to claim 1, characterized in that, The adjusting assembly further comprises a fixing frame and a scale sticker, the fixing frame is fixedly connected with the connecting bottom plate and located on the side of the connecting bottom plate close to the mounting bottom plate; the scale sticker is fixedly connected with the fixing frame and located on the side of the fixing frame close to the mounting bottom plate.
7. A marking method for a food packaging bag processing apparatus, suitable for the marking apparatus for a food packaging bag processing apparatus according to claim 1, characterized by, The method comprises the following steps: Adjusting the height of the marking machine body on the mounting bottom plate according to the height of the operator himself; Confirming that the surface of the marking block is free of residues and the surface of the marking table is flat and clean; Stacking the packaging bags to be marked neatly on the marking table; Starting the marking machine body to drive the marking block to press down and contact the surface of the packaging bag to form an imprint; Moving the marking block up to disengage from the packaging bag to complete the marking of the packaging bag.
Citation Information
Patent Citations
Marking device for food packaging bag processing
CN215152418U