Quick packaging mechanism with adjustable hot melting knife for heat shrink packaging machine
By combining bevel gears and bolt rods with a locking mechanism, the problem of unstable hot melt blade spacing adjustment in the heat shrink packaging machine's sealing mechanism is solved, achieving precise adjustment of the hot melt blade position and preventing accidental contact, thus improving the stability and adaptability of the sealing process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-03-24
AI Technical Summary
The sealing mechanism of existing heat shrink packaging machines is prone to movement when adjusting the spacing of the hot melt blades, which affects the sealing effect of the packaging box.
The system employs a combination of bevel gears and bolt rods. The bevel gears mesh to drive the bolt rods to rotate in the opposite direction, thereby adjusting the gap between the hot melt blades. A locking mechanism prevents accidental rotation and ensures the stability of the hot melt blade position.
It enables precise adjustment of the hot melt blade spacing, prevents accidental rotation, and improves the stability and adaptability of packaging box sealing.
Smart Images

Figure CN224029394U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat shrinkage packaging machine technical field, concretely is a kind of heat shrinkage packaging machine quick encapsulation mechanism of hot melting knife adjustable. BACKGROUND
[0002] Film sealing and cutting heat shrinkage packaging machine is widely used in the batch production of medicine, food, beverage, printed matter and cosmetic and electronic product etc., and is packaged by hot melting knife in the encapsulation mechanism to film, and is simultaneously handled by constant-temperature shrinkage furnace, so that the packaging box after packaging reaches complete and good shrinkage effect.
[0003] For example, the publication number CN222005595U is a kind to be used in quick encapsulation device of heat shrinkage packaging machine, and the quick encapsulation device of heat shrinkage packaging machine is adjusted the distance between hot melting knife according to product length when using, rotates the gear plate movement of adjusting wheel, and gear plate drives hot melting knife to move towards under the limit of bearing frame, to realize the distance adjustment of hot melting knife.
[0004] The encapsulation mechanism in the patent needs to rotate transmission rod to drive gear and two groups of racks to mesh, and moves two groups of hot melting knives in opposite directions by rack, to adjust the spacing of hot melting knife, but this adjustment mode does not limit hot melting knife, and hot melting knife is easy to move in the process of cutting, to affect the encapsulation of packaging box. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of heat shrinkage packaging machine quick encapsulation mechanism of hot melting knife adjustable, to solve the problem that existing encapsulation mechanism is not convenient for adjusting hot melting knife as described in the above background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of heat shrinkage packaging machine quick encapsulation mechanism of hot melting knife adjustable, comprising: feeding plate and adjusting mechanism, the both sides of the feeding plate are fixedly connected with support, the bottom of the support is provided with moving frame, the bottom of the moving frame is provided with two groups of hot melting knife body,
[0007] The inside of the moving frame is provided with adjusting mechanism for adjusting the spacing of two groups of hot melting knife body, the adjusting mechanism includes the connecting shaft that is movably connected with moving frame by bearing, the bottom of the connecting shaft is fixedly connected with bevel gear a, the bottom of the bevel gear a is meshed with bevel gear b and bevel gear c, the side of bevel gear b and bevel gear c is fixedly connected with bolt rod, the one end of the bolt rod is threadedly connected with telescopic plate, the top of the connecting shaft is provided with clamping mechanism.
[0008] Specificly, the bevel gear a is used for engaging with the bevel gear b and the bevel gear c, so as to drive the two to rotate, and the two will drive the bolt rod and the telescopic plate on one side to thread transmission, so as to drive the two groups of telescopic plates to move reversely.
[0009] Preferably, both sides of the telescopic plate are fixedly connected with sliding blocks, and the outer sides of the sliding blocks are slidably connected with the moving frame.
[0010] Specifically, the sliding block is used for guiding and limiting the telescopic plate, so as to ensure the stable movement of the telescopic plate.
[0011] Preferably, one end of the bolt rod is movably connected with the moving frame through a bearing, and the bottom of one end of the telescopic plate is fixedly connected with a hot melting knife body.
[0012] Specifically, the hot melting knife body can realize the adjustment of the interval through the movable telescopic plate.
[0013] Preferably, the outer side of the telescopic plate is slidably connected with the moving frame, and the top of the support is provided with an electric push rod.
[0014] Specifically, the electric push rod is used for driving the two groups of hot melting knife bodies to move up and down, so as to cut the heat sealing film of the packaging box.
[0015] Preferably, the bottom of the electric push rod is fixedly connected with a connecting frame, the bottom of the connecting frame is fixedly connected with the moving frame, and the shape of the moving frame is cross-shaped.
[0016] Specifically, the connecting frame is used for connecting with the moving frame, and the moving frame is driven to move up and down through the electric push rod.
[0017] Preferably, the clamping mechanism comprises a handle slidably connected with the outer side of a connecting shaft, the inner side of the handle is fixedly connected with a protruding block, and the outer side of the connecting shaft is provided with a movable slot matched with the protruding block.
[0018] Preferably, the movable slot is annular, a plurality of limiting grooves are arranged on the top of the movable slot, and the plurality of limiting grooves are distributed at equal angles about the central axis of the connecting shaft.
[0019] Specifically, the protruding block is used for clamping with the limiting groove in the connecting shaft, so as to drive the connecting shaft to rotate.
[0020] Preferably, the limiting groove is arranged on the outer side of the connecting shaft, a magnet is arranged on the top of the limiting groove, and the outer side of the magnet is fixed with the connecting shaft.
[0021] Specifically, the magnet is used for attracting the protruding block.
[0022] Compared with the prior art, the hot melting knife of the heat shrinkable packaging machine quick packaging mechanism has the beneficial effects that:
[0023] 1. The adjustable hot shrink packaging machine fast packaging mechanism of the hot knife, when adjusting the distance between the two groups of hot knife bodies, the connecting shaft is rotated to drive the bevel gear a to rotate, the bevel gear a meshes with the bevel gear b and the bevel gear c, thereby driving the two to rotate in opposite directions, each of the two drives a group of bolt rods to rotate, thereby threadedly driving the bolt rods and the expansion plates, since the bevel gear b and the bevel gear c rotate in opposite directions, and the rotation directions of the two groups of bolt rods are the same, therefore the two groups of expansion plates can be driven to move in opposite directions, thereby changing the distance between the two groups of hot knife bodies, so that the distance between the hot knives in the hot shrink packaging machine can be adjusted through the above operation.
[0024] 2. The adjustable hot shrink packaging machine fast packaging mechanism of the hot knife, after the distance between the hot knife bodies is adjusted, in order to prevent the connecting shaft from moving due to accidental touch, a group of handles are arranged on the top of the connecting shaft, the bottom of the handle abuts against the moving frame under the action of gravity, and the protrusion on the inner side of the handle is in the movable groove on the outer side of the connecting shaft, at this time when the handle is accidentally touched and rotated, the handle will idle, and the connecting shaft will not be directly touched due to the shielding of the handle, so that accidental touch rotation of the connecting shaft can be prevented, so that the anti-accidental touch protection of the adjusting mechanism can be facilitated through the above operation. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a three-dimensional schematic view of the utility model;
[0026] Figure 2 It is a schematic view of the adjusting mechanism of the utility model;
[0027] Figure 3 It is a three-dimensional sectional view of the moving frame of the utility model;
[0028] Figure 4 It is a three-dimensional sectional view of the handle of the utility model.
[0029] In the figure: 1, feeding plate; 2, support; 3, electric push rod; 4, connecting frame; 5, moving frame; 6, hot knife body; 7, adjusting mechanism; 701, connecting shaft; 702, bevel gear a; 703, bevel gear b; 704, bevel gear c; 705, bolt rod; 706, expansion plate; 707, sliding block; 8, clamping mechanism; 801, handle; 802, protrusion; 803, movable groove; 804, limiting groove; 805, magnet. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.
[0031] Please refer to Figures 1-3 The utility model provides a kind of technical scheme: a quick packaging mechanism of heat shrink packaging machine quick packaging mechanism of hot melting cutter adjustable, it include: feeding plate 1 and adjusting mechanism 7, the both sides of feeding plate 1 are fixedly connected with support 2, the bottom of support 2 is provided with moving frame 5, the bottom of moving frame 5 is provided with two groups of hot melting cutter body 6,
[0032] The inside of moving frame 5 is provided with adjusting mechanism 7 for adjusting the spacing of two groups of hot melting cutter body 6, adjusting mechanism 7 includes the connecting shaft 701 movably connected with moving frame 5 by bearing, the bottom of connecting shaft 701 is fixedly connected with bevel gear a 702, the bottom of bevel gear a 702 is meshingly connected with bevel gear b 703 and bevel gear c 704, the side of bevel gear b 703 and bevel gear c 704 is fixedly connected with bolt rod 705, one end of bolt rod 705 is threadedly connected with telescopic plate 706, the top of connecting shaft 701 is provided with clamping mechanism 8;
[0033] The both sides of telescopic plate 706 are fixedly connected with sliding block 707, the outside of sliding block 707 is movably connected with moving frame 5;One end of bolt rod 705 is movably connected with moving frame 5 by bearing, the bottom of one end of telescopic plate 706 is fixedly connected with hot melting cutter body 6;The outside of telescopic plate 706 is movably connected with moving frame 5, the top of support 2 is installed with electric push rod 3;The bottom of electric push rod 3 is fixedly connected with connecting frame 4, the bottom of connecting frame 4 is fixedly connected with moving frame 5, the shape of moving frame 5 is cross type, bevel gear b 703 and bevel gear c 704 form meshing transmission structure, bolt rod 705 and telescopic plate 706 form screw transmission structure, telescopic plate 706 and moving frame 5 form sliding structure.
[0034] In specific implementation, the adjustable hot shrink packaging machine fast packaging mechanism of the hot knife can adjust the distance between the two groups of hot knife bodies 6 by rotating the connecting shaft 701 to drive the bevel gear a 702 to rotate, the bevel gear a 702 meshes with the bevel gear b 703 and the bevel gear c 704, thereby driving the two to rotate in opposite directions, and each of the two drives a group of bolt rods 705 to rotate, thereby driving the bolt rods 705 and the telescopic plates 706 to threadedly transmit, since the bevel gear b 703 and the bevel gear c 704 rotate in opposite directions, and the rotation directions of the two groups of bolt rods 705 are the same, thus the two groups of telescopic plates 706 can be driven to move in opposite directions, thereby changing the distance between the two groups of hot knife bodies 6, and adapting to packaging boxes of different sizes for cutting and packaging, since the bolt rods 705 and the telescopic plates 706 are threadedly connected, thus the telescopic plates 706 will not move randomly when the bolt rods 705 do not rotate, thus the distance between the hot knives in the hot shrink packaging machine can be adjusted by the above operation.
[0035] Please refer to Figures 1-4 The clamping mechanism 8 comprises a handle 801 slidingly connected to the outer side of the connecting shaft 701, the inner side of the handle 801 is fixedly connected with a protrusion 802, the outer side of the connecting shaft 701 is provided with a movable groove 803 matched with the protrusion 802; the movable groove 803 is annular in shape, the top of the movable groove 803 is provided with a plurality of limiting grooves 804, and the plurality of limiting grooves 804 are equally angularly distributed about the central axis of the connecting shaft 701; the limiting groove 804 is provided on the outer side of the connecting shaft 701, the top of the limiting groove 804 is provided with a magnet 805, and the outer side of the magnet 805 is fixed to the connecting shaft 701.
[0036] In the specific implementation, the heat-sealing knife adjustable heat-shrinkable packaging machine rapid packaging mechanism, after the adjustment of the distance between the heat-sealing knife body 6 is completed, in order to prevent the heat-sealing knife body 6 from moving due to accidental contact with the connecting shaft 701, a set of handles 801 is arranged on the top of the connecting shaft 701, the bottom of the handle 801 is in abutment with the moving frame 5 under the action of gravity, and the protrusion 802 inside the handle 801 is in the movable groove 803 outside the connecting shaft 701, at this time, when the handle 801 is accidentally rotated, the handle 801 will be idle, and the connecting shaft 701 will not be directly contacted due to the shielding of the handle 801, so that accidental rotation of the connecting shaft 701 can be prevented, when the connecting shaft 701 needs to be rotated, the handle 801 can be pulled up, the protrusion 802 inside the handle 801 will be lifted when the handle 801 is moved, so as to drive the protrusion 802 into the limiting groove 804, at this time, the handle 801 will be clamped with the connecting shaft 701, so as to drive the connecting shaft 701 to rotate, when the protrusion 802 of the magnetism material contacts with the magnet 805, it can be attracted, so as to limit the handle 801, so that the protrusion 802 stays in the limiting groove 804, facilitating the rotation of the handle 801 to drive the connecting shaft 701, so that the anti-misoperation protection of the adjusting mechanism 7 can be facilitated through the above operation.
[0037] In summary: in the use of the heat-sealing knife adjustable heat-shrinkable packaging machine rapid packaging mechanism, first, the electric push rod 3 is started to drive the connecting frame 4 to move downward, the connecting frame 4 drives the moving frame 5 and the heat-sealing knife body 6 to move, so as to cut off the heat-sealing film on both sides of the bottom packaging box, the contents not described in detail in the description belong to the prior art known to those skilled in the art.
[0038] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A rapid sealing mechanism for a heat shrink packaging machine with an adjustable hot melt knife, comprising: The feeding plate (1) and the adjusting mechanism (7) are provided. Supports (2) are fixedly connected to both sides of the feeding plate (1). A movable frame (5) is provided at the bottom of the support (2). Two sets of hot melt blade bodies (6) are provided at the bottom of the movable frame (5). The feeding plate (1) is characterized by the following features: The movable frame (5) is provided with an adjustment mechanism (7) for adjusting the distance between the two sets of hot melt knife bodies (6). The adjustment mechanism (7) includes a connecting shaft (701) that is movably connected to the movable frame (5) via a bearing. A bevel gear a (702) is fixedly connected to the bottom of the connecting shaft (701). A bevel gear b (703) and a bevel gear c (704) are meshed at the bottom of the bevel gear a (702). A bolt rod (705) is fixedly connected to one side of both the bevel gear b (703) and the bevel gear c (704). A telescopic plate (706) is threaded to one end of the bolt rod (705). A locking mechanism (8) is provided at the top of the connecting shaft (701).
2. The rapid sealing mechanism of a heat shrink packaging machine with adjustable hot melt blade according to claim 1, characterized in that: The telescopic plate (706) is fixedly connected to two sides of a slider (707), and the outer side of the slider (707) is slidably connected to the movable frame (5).
3. The rapid sealing mechanism of a heat shrink packaging machine with adjustable hot melt blade according to claim 1, characterized in that: One end of the bolt rod (705) is movably connected to the movable frame (5) via a bearing, and the bottom of one end of the telescopic plate (706) is fixedly connected to the hot melt knife body (6).
4. The rapid sealing mechanism of a heat shrink packaging machine with adjustable hot melt blade according to claim 1, characterized in that: The outer side of the telescopic plate (706) is slidably connected to the movable frame (5), and an electric push rod (3) is installed on the top of the bracket (2).
5. The rapid sealing mechanism of a heat shrink packaging machine with adjustable hot melt blade according to claim 4, characterized in that: The bottom of the electric push rod (3) is fixedly connected to a connecting frame (4), and the bottom of the connecting frame (4) is fixedly connected to a movable frame (5). The movable frame (5) is cross-shaped.
6. The rapid sealing mechanism of a heat shrink packaging machine with adjustable hot melt knife according to claim 1, characterized in that: The engaging mechanism (8) includes a handle (801) that is slidably connected to the outside of the connecting shaft (701). A protrusion (802) is fixedly connected to the inside of the handle (801), and an active groove (803) matching the protrusion (802) is opened on the outside of the connecting shaft (701).
7. The rapid sealing mechanism of a heat shrink packaging machine with adjustable hot melt knife according to claim 6, characterized in that: The movable groove (803) is annular in shape, and the top of the movable groove (803) is provided with multiple sets of limiting grooves (804), and the multiple sets of limiting grooves (804) are distributed at equal angles about the central axis of the connecting shaft (701).
8. The rapid sealing mechanism of a heat shrink packaging machine with adjustable hot melt knife according to claim 7, characterized in that: The limiting groove (804) is opened on the outside of the connecting shaft (701), and a magnet (805) is provided on the top of the limiting groove (804). The outside of the magnet (805) is fixed to the connecting shaft (701).
Citation Information
Patent Citations
Rapid packaging device for heat shrink packaging machine
CN222005595U