A four-way sealing device for high speed packaging machines

Abstract

The utility model relates to packing machinery technical field, and disclose a four out sealing device for high speed packing machine, this four out sealing device for high speed packing machine, including spacing hinged frame, spacing hinged frame installs on equipment body, be provided with bag sealing subassembly on spacing hinged frame. This four out sealing device for high speed packing machine, in order to make this device promote the production efficiency and sealing quality of packing machine, through being provided with bag sealing subassembly, this component cooperation motor drive cam rotation, drive hinged plate swing, hinged plate passes through rocker arm drive swing hinged rod reciprocating rotation, makes double -end hinged block drive primary connecting rod and second connecting rod pull thin slide bar sliding, and then makes thick slide bar do linear motion in slide cylinder, drive connecting frame and clamping plate remove, and a group of elastic hydraulic devices drive heat sealing block and mirror image heat sealing block and fold, realize four out bag mouth's synchronous heat sealing, cooperate the positioning effect of spacing plate, ensure that each bag sealing position is accurate and consistent.

Description

Technical Field

[0001] This utility model relates to the field of packaging machinery technology, specifically to a four-outlet sealing device for a high-speed packaging machine. Background Technology

[0002] On packaging production lines in industries such as food, pharmaceuticals, and daily necessities, high-speed packaging machines are responsible for the rapid packaging of large quantities of products. Traditional sealing devices suffer from problems such as low efficiency and unstable sealing quality, making it difficult to meet the ever-increasing production demands. A four-outlet sealing device typically consists of a frame, four independent sealing units, a transmission system, a temperature / pressure control system, and a photoelectric sensor positioning system. The frame provides stable support for the device. The independent sealing units include heating plates, pressing molds, and cooling components, enabling various sealing methods such as heat sealing, cold pressing, or ultrasonic welding. The transmission system precisely controls the movement rhythm of the sealing units via servo motors and synchronous belts. The temperature / pressure control system adjusts the sealing temperature and pressure parameters in real time. The photoelectric sensor positioning system uses sensors to detect the packaging position, ensuring accurate sealing.

[0003] However, in actual use, most traditional sealing devices use simple linkages or gear transmissions, which are prone to speed fluctuations during operation, resulting in uneven movement of the heat-sealing block, making it difficult to accurately control the heat-sealing time and pressure, thus affecting the sealing quality. Furthermore, the four-outlet sealing structure has poor linkage between the sealing units, making it difficult to achieve synchronous heat sealing. This may result in some bag openings not being sealed tightly or being over-sealed, leading to a high scrap rate of 5% to 8%. In view of this, we propose a four-outlet sealing device for high-speed packaging machines. Utility Model Content

[0004] The purpose of this invention is to provide a four-outlet sealing device for a high-speed packaging machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A four-outlet sealing device for a high-speed packaging machine includes a limiting hinge frame mounted on the machine body. A bag-sealing assembly is mounted on the limiting hinge frame, and the bag-sealing assembly includes: A round rod is fixedly installed on the limiting hinge frame. A hinge plate is hinged to one end of the round rod. A motor is fixedly installed on the equipment body. A cam is fixedly installed at the output end of the motor. A short rod is fixedly installed on the cam. A rocker arm is hinged to one end of the hinge plate. A rocking hinge rod is rotatably installed on the equipment body. A rocking plate is fixedly installed on the rocking hinge rod. A double-headed hinge block is fixedly installed on the rocking hinge rod. A first connecting rod and a second connecting rod are hingedly installed on the double-headed hinge block. A first hinge frame is hingedly installed at the other end of the first connecting rod. A thin sliding rod and a thick sliding rod are fixedly installed on the first hinge frame. The second hinge frame is fixedly installed on the thin slide rod. An installation plate is fixedly installed on the equipment body. A slide cylinder is fixedly installed on the installation plate. A connecting frame is fixedly installed on the thick slide rod. A clamping plate is fixedly installed below the connecting frame. An elastic hydraulic device is fixedly installed at the bottom of the clamping plate. A heat-sealing block and a wire protection connector are fixedly installed at the piston end of the elastic hydraulic device. A limit plate is fixedly installed on the equipment body.

[0006] In a further embodiment, the other end of the hinge plate is hinged to the short rod, and the other end of the second connecting rod is hinged to the second hinge frame.

[0007] In a further embodiment, multiple sets of the double-headed hinge block, first connecting rod, first hinge frame, thin slide rod, second hinge frame, second connecting rod, mounting plate, slide cylinder, thick slide rod, connecting frame, elastic hydraulic device, heat-sealing block, wire protection connector and limiting plate are provided.

[0008] In a further embodiment, the thick sliding rod slides inside the sliding cylinder, and the limiting plate is provided with a mirror heat-sealing block and a mirror wire protection connector.

[0009] In a further embodiment, an auxiliary component is provided on the coarse sliding rod, one end of the sliding rod is fixedly installed on the coarse sliding rod, an adjusting nut is fixedly installed on the limiting plate, a limiting rubber head is fixedly installed on the other end of the sliding rod, a heat insulation pad is fixedly installed on the end of the heat-sealing block near the elastic hydraulic device, and a rubber block is fixedly installed on the heat insulation pad.

[0010] In a further embodiment, multiple sets of the sliding rod, adjusting nut, limiting rubber head, heat insulation pad, and rubber block are provided.

[0011] In a further embodiment, the sliding rod slides inside the adjusting nut, and a mirrored rubber block is provided on the elastic hydraulic device at a position corresponding to that on the heat insulation pad.

[0012] Compared with the prior art, this utility model provides a four-outlet sealing device for high-speed packaging machines, which has the following advantages: 1. This is a four-outlet sealing device for high-speed packaging machines. To improve the production efficiency and sealing quality of the packaging machine, a sealing assembly is installed. This assembly, in conjunction with a motor-driven cam rotation, drives a hinge plate to swing via a short rod. The hinge plate, through a rocker arm, drives the swinging hinge rod to reciprocate, causing the double-headed hinge block to synchronously drive the first and second connecting rods. The first connecting rod pulls the first hinge frame to slide along the thin slide rod, and the second connecting rod pushes the second hinge frame to move synchronously, thereby causing the thick slide rod to move linearly within the slide cylinder, driving the connecting frame and clamping plate to move. Multiple sets of elastic hydraulic devices drive the heat-sealing block and the mirror heat-sealing block to engage, achieving synchronous heat sealing of the four bag openings. The uniform speed characteristic of the cam drive and the linkage mechanism reduce the error in the heat sealing operation of the heat-sealing block. Combined with the positioning function of the limit plate, it ensures that the sealing position is accurate and consistent each time.

[0013] 2. This four-outlet sealing device for high-speed packaging machines is equipped with an auxiliary component to ensure its stability during operation. This component works with the sliding rod on the coarse sliding rod, which passes through the adjusting nut. By rotating the adjusting nut, the stroke limit of the coarse sliding rod can be finely adjusted. The limiting rubber head provides elastic cushioning when the heat-sealing block is in place, reducing mechanical impact and preventing wear caused by rigid collisions. At the same time, the heat insulation pad between the heat-sealing block and the elastic hydraulic device is made of ceramic fiber, which can effectively block the heat-sealing temperature from being transmitted to the elastic hydraulic device. The elastic contact of the rubber block further prevents high temperature damage to hydraulic components. The cooperation of multiple sets of adjusting nuts and limiting rubber heads allows for flexible adjustment of the sealing block stroke for packaging materials of different thicknesses, ensuring that the heat-sealing pressure is adapted. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the overall structure of the present invention from another perspective; Figure 3 This is a first-view schematic diagram of part of the structure of this utility model; Figure 4 This is a schematic diagram of the heat-sealing block structure of this utility model; Figure 5 This is a second-view schematic diagram of a portion of the structure of this utility model; Figure 6 This is a third-view schematic diagram of part of the structure of this utility model.

[0015] Explanation of icon numbers: 1. Limiting hinge frame; 2. Bag sealing assembly; 21. Round rod; 22. Hinge plate; 23. Motor; 24. Cam; 25. Short rod; 26. Rocker arm; 27. Swinging hinge rod; 28. Rocker plate; 29. ​​Double-headed hinge block; 210. No. 1 connecting rod; 211. No. 1 hinge frame; 212. Thin slide rod; 213. No. 2 hinge frame; 214. No. 2 connecting rod; 215. Mounting plate; 216. Slide cylinder; 217. Thick slide rod; 218. Connecting frame; 219. Clamping plate; 220. Elastic hydraulic device; 221. Heat sealing block; 222. Wire protection connector; 223. Limiting plate; 3. Auxiliary components; 31. Sliding rod; 32. Adjusting nut; 33. Limiting rubber head; 34. Heat insulation pad; 35. Rubber block. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] In this application, the term "above" indicates the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. It is primarily used to better describe this application and its embodiments, and is not intended to limit the indicated device, element, or component to having a specific orientation, or to construct and operate in a specific orientation. Furthermore, the term "above" may also be used in certain circumstances to indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances.

[0018] Please see Figures 1-6 This utility model provides a technical solution: A four-outlet sealing device for a high-speed packaging machine includes a limiting hinge frame 1, which is installed on the main body of the equipment.

[0019] In one embodiment of this utility model, a sealing assembly 2 is provided on the limiting hinge frame 1. The sealing assembly 2 includes a round rod 21. The round rod 21 is fixedly installed on the limiting hinge frame 1. One end of the hinge plate 22 is hingedly installed on the round rod 21. A motor 23 is fixedly installed on the equipment body. A cam 24 is fixedly installed on the output end of the motor 23. A short rod 25 is fixedly installed on the cam 24. One end of a rocker arm 26 is hingedly installed on the hinge plate 22. A rocking hinge rod 27 is rotatably installed on the equipment body. A rocker arm 28 is fixedly installed on the connecting rod 27. A double-headed hinge block 29 is fixedly installed on the rocker hinge rod 27. A first connecting rod 210 and a second connecting rod 214 are hingedly installed on the double-headed hinge block 29. A first hinge frame 211 is hingedly installed at the other end of the first connecting rod 210. A thin sliding rod 212 and a thick sliding rod 217 are fixedly installed on the first hinge frame 211. A second hinge frame 213 is fixedly installed on the thin sliding rod 212. An installation plate 215 is fixedly installed on the equipment body. A slide cylinder 216 is fixedly installed. A connecting frame 218 is fixedly installed on the thick slide rod 217. A clamping plate 219 is fixedly installed below the connecting frame 218. An elastic hydraulic device 220 is fixedly installed at the bottom of the clamping plate 219. A heat-sealing block 221 and a wire protection connector 222 are fixedly installed on the piston end of the elastic hydraulic device 220. A limit plate 223 is fixedly installed on the equipment body. The other end of the hinge plate 22 is hinged to the short rod 25. The other end of the second connecting rod 214 is hinged to the second hinge frame 21. On the 3rd floor, there are multiple sets of components including double-headed hinge block 29, first connecting rod 210, first hinge frame 211, thin slide rod 212, second hinge frame 213, second connecting rod 214, mounting plate 215, slide cylinder 216, thick slide rod 217, connecting frame 218, elastic hydraulic device 220, heat sealing block 221, wire protection connector 222 and limiting plate 223. The thick slide rod 217 slides inside the slide cylinder 216, and the limiting plate 223 is equipped with a mirror heat sealing block 221 and a mirror wire protection connector 222.

[0020] In this embodiment, the core of the sealing bag assembly 2 is driven by a cam 24 driven by a motor 23, which in turn drives a linkage mechanism to achieve synchronous movement of four sets of heat-sealing blocks 221. After the motor 23 starts, it drives the cam 24 to rotate at a constant speed. The short rod 25 fixed to the outer periphery of the cam 24 then moves in a circular motion, pushing the hinge plate 22 to swing around the circular rod 21. When the short rod 25 moves upward with the cam 24, the hinge plate 22 swings counterclockwise around the circular rod 21, pulling the rocker arm 26 to rotate the rocker hinge rod 27 counterclockwise; conversely, it swings clockwise. At the same time, the double-headed hinge block 29 in the middle of the rocker hinge rod 27 synchronously drives the first connecting rod 210 and the second connecting rod 214 to move, causing the first connecting rod 210 and the second connecting rod 214 to drive the thin sliding rod 212 and the thick sliding rod 217 to reciprocate in the slide cylinder 216. The piston movement, via two sets of coarse sliding rods 217, pushes the elastic hydraulic device 220 and the heat-sealing block 221 towards the limiting plate 223 through the connecting frame 218 and the clamping plate 219. When the heat-sealing block 221 approaches the limiting plate 223, the elastic hydraulic device 220 is activated, pushing the heat-sealing block 221 to fit against the mirror heat-sealing block 221 on the limiting plate 223. The built-in heating elements of the heat-sealing block 221 and the mirror heat-sealing block 221 act continuously for 1 second, causing the bag opening material to melt and adhere. The cam 24 adopts an Archimedean spiral profile to ensure that the acceleration of the heat-sealing block 221 during the feeding and retraction stages is ≤5m / s², avoiding impact that could cause the bag opening to shift. With the transmission of the linkage mechanism, the overall heat-sealing position error is controlled within ±0.3mm, meeting the precision requirements of high-speed packaging.

[0021] In one embodiment of this utility model, an auxiliary component 3 is provided on the coarse sliding rod 217, one end of a sliding rod 31 is fixedly installed on the coarse sliding rod 217, an adjusting nut 32 is fixedly installed on the limiting plate 223, a limiting rubber head 33 is fixedly installed on the other end of the sliding rod 31, a heat insulation pad 34 is fixedly installed on one end of the heat sealing block 221 near the elastic hydraulic device 220, and a rubber block 35 is fixedly installed on the heat insulation pad 34. Multiple sets of sliding rod 31, adjusting nut 32, limiting rubber head 33, heat insulation pad 34 and rubber block 35 are provided. The sliding rod 31 slides inside the adjusting nut 32, and a mirrored rubber block 35 is provided on the elastic hydraulic device 220 at a position corresponding to the position on the heat insulation pad 34.

[0022] In this embodiment, the sliding rod 31, which is fixed to the tail of the coarse sliding rod 217, passes through the adjusting nut 32. By rotating the adjusting nut 32 with a wrench, the extension length of the sliding rod 31 can be changed, thereby limiting the maximum stroke of the coarse sliding rod 217. When sealing a 0.03mm ultra-thin plastic film, rotating the adjusting nut 32 clockwise shortens the sliding rod 31 by 3mm, adjusting the stroke of the heat-sealing block 221 from 12mm to 9mm to avoid excessive pressure causing the film to melt through. When sealing a 0.15mm thick aluminum foil bag, rotating the adjusting nut 32 counterclockwise extends the sliding rod 31. With a length of 4mm and a stroke increased to 16mm, the aluminum foil layer is fully melted. When the heat-sealing block 221 reaches the set position, the limiting rubber head 33 at the end of the sliding rod 31 contacts the equipment body. It absorbs the impact energy through compression deformation, reduces the metal collision wear between the coarse sliding rod 217 and the sliding cylinder 216, and reduces the noise to below 75dB. At the same time, a ceramic fiber heat insulation pad 34 is embedded between the heat-sealing block 221 and the elastic hydraulic device 220, which can conduct the high temperature of the heat-sealing area to the hydraulic device and control the temperature to within 35℃, preventing the hydraulic oil from vaporizing and deteriorating due to high temperature.

[0023] All electrical components appearing in this application are electrically connected to the controller and 220V AC mains power. The controller is a conventional and known device that can control the motor 23, the elastic hydraulic device 220, and the heat-sealing block 221. All standard parts used in this application can be purchased from the market. The specific connection methods of each part are all conventional methods such as riveting and welding that are mature in the prior art. The machinery, parts, and equipment are all conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, and will not be described in detail here.

[0024] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A four-outlet sealing device for a high-speed packaging machine, comprising a limiting hinge frame (1), the limiting hinge frame (1) being mounted on the equipment body, characterized in that, The limiting hinge frame (1) is provided with a sealing assembly (2), the sealing assembly (2) including: A round rod (21) is fixedly installed on the limiting hinge frame (1). A hinge plate (22) is hinged to one end of the round rod (21). A motor (23) is fixedly installed on the equipment body. A cam (24) and a short rod (25) are fixedly installed at the output end of the motor (23). A rocker arm (26) is hinged to one end of the hinge plate (22). A rocker hinge rod (27) is rotatably installed on the equipment body. A rocker plate (28) and a double-headed hinge block (29) are fixedly installed on the rocker hinge rod (27). A first connecting rod (210) and a second connecting rod (214) are hingedly installed on the double-headed hinge block (29). A first hinge frame (211) is hingedly installed at the other end of the first connecting rod (210). A thin sliding rod (212) and a thick sliding rod (217) are fixedly installed on the first hinge frame (211). The second hinge frame (213) is fixedly installed on the thin slide rod (212). The mounting plate (215) and slide cylinder (216) are fixedly installed on the equipment body. The connecting frame (218), clamping plate (219) and elastic hydraulic device (220) are fixedly installed on the thick slide rod (217). The piston end of the elastic hydraulic device (220) is fixedly installed with heat sealing block (221) and wire protection connector (222). The limit plate (223) is fixedly installed on the equipment body.

2. The four-outlet sealing device for a high-speed packaging machine according to claim 1, characterized in that: The other end of the hinge plate (22) is hinged to the short rod (25), and the other end of the second connecting rod (214) is hinged to the second hinge frame (213).

3. The four-outlet sealing device for a high-speed packaging machine according to claim 1, characterized in that: The double-headed hinge block (29), first connecting rod (210), first hinge frame (211), thin slide rod (212), second hinge frame (213), second connecting rod (214), mounting plate (215), slide cylinder (216), thick slide rod (217), connecting frame (218), elastic hydraulic device (220), heat-sealing block (221), wire protection connector (222) and limiting plate (223) are provided in multiple sets.

4. A four-outlet sealing device for a high-speed packaging machine according to claim 1, characterized in that: The thick slide bar (217) slides inside the slide cylinder (216), and the limiting plate (223) is provided with a mirror heat-sealing block (221) and a mirror wire protector (222).

5. A four-outlet sealing device for a high-speed packaging machine according to claim 1, characterized in that: An auxiliary component (3) is provided on the coarse slide rod (217). One end of the slide rod (31) is fixedly installed on the coarse slide rod (217). An adjusting nut (32) is fixedly installed on the limiting plate (223). A limiting rubber head (33) is fixedly installed on the other end of the slide rod (31). A heat insulation pad (34) is fixedly installed on the end of the heat sealing block (221) near the elastic hydraulic device (220). A rubber block (35) is fixedly installed on the heat insulation pad (34).

6. A four-outlet sealing device for a high-speed packaging machine according to claim 5, characterized in that: The sliding rod (31), adjusting nut (32), limiting rubber head (33), heat insulation pad (34) and rubber block (35) are provided in multiple sets.

7. A four-outlet sealing device for a high-speed packaging machine according to claim 5, characterized in that: The sliding rod (31) slides inside the adjusting nut (32), and a mirrored rubber block (35) is provided on the elastic hydraulic device (220) at a position corresponding to that on the heat insulation pad (34).

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