Adjustable heat-sealing pressure device of vacuum packaging machine
By designing an adjustable heat-sealing pressure device for a vacuum packaging machine, the heat-sealing pressure is adjusted using a combination of an adjusting rod, an adjusting sleeve, and a top pressure spring. The blade replacement is simplified by using a limit spring and a top rod, solving the problems of traditional devices being unable to adjust the heat-sealing pressure and having inconvenient blade replacement, thus improving adaptability and processing efficiency.
Patent Information
- Application Number
- CN202520652838.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-09
AI Technical Summary
The existing vacuum packaging machine's heat sealing pressure device cannot adjust the heat sealing pressure, resulting in poor heat sealing adaptability for packaging materials of different materials or thicknesses, and the cutting blade is inconvenient to replace, affecting processing efficiency.
An adjustable heat sealing pressure device for a vacuum packaging machine was designed. The heat sealing pressure can be adjusted through a combination of an adjusting rod, an adjusting sleeve, a top pressure spring, and a pressure plate. The design of a limit spring and a top rod makes blade replacement more convenient.
It enables adjustment of heat sealing pressure for packaging materials of different materials and thicknesses, improves heat sealing adaptability, simplifies the blade replacement process, and enhances processing efficiency.
Smart Images

Figure CN223905411U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vacuum packaging machine technical field, concretely is adjustable vacuum packaging machine heat sealing pressure device. BACKGROUND
[0002] In the packaging industry, vacuum packaging machine is widely used in food, medicine, chemical industry and many other fields to realize the vacuum packaging of products, prolong the shelf life of products, ensure product quality and safety, and heat sealing technology is one of the key processes in vacuum packaging machine, which seals the joint part of the packaging material together by heating and applying pressure to form a leak-free and pollution-free package, but different packaging materials and packaging thickness have different requirements for heat sealing pressure, and the heat sealing pressure device of the traditional vacuum packaging machine is mostly fixed design, which cannot meet the heat sealing requirements of different materials and thicknesses, and the cutting blade of the existing vacuum packaging machine is easy to wear during use, and the replacement process is complicated, which affects the processing efficiency, in order to solve the above problems, therefore, a kind of adjustable vacuum packaging machine heat sealing pressure device is needed.
[0003] The existing vacuum packaging machine heat sealing pressure device cannot adjust the heat sealing pressure when operating, and the heat sealing adaptability of different materials or thicknesses of packaging materials is poor, and the cutting blade is not convenient to replace, therefore, an adjustable vacuum packaging machine heat sealing pressure device is urgently needed. UTILITY MODEL CONTENTS
[0004] Therefore, the utility model aims at providing an adjustable vacuum packaging machine heat sealing pressure device to solve the problem that the existing vacuum packaging machine heat sealing pressure device cannot adjust the heat sealing pressure when in use, and the heat sealing adaptability of different materials or thicknesses of packaging materials is poor, and the cutting blade is not convenient to replace.
[0005] To achieve the above object, the utility model provides the following technical scheme: an adjustable vacuum packaging machine heat sealing pressure device, including positioning frame, the outer wall of positioning frame is installed with power motor, the outer wall of power motor is installed with telescopic link, the outer wall of telescopic link is installed with fixed plate, the inner wall of fixed plate is installed with adjusting rod, the outer wall of adjusting rod is installed with adjusting sleeve, the outer wall of adjusting rod is installed with top pressure spring, the side wall of fixed plate is installed with sliding sleeve, the outer wall of telescopic link is installed with pressing plate, the inner side wall of positioning frame is installed with bottom plate, the outer wall of pressing plate and bottom plate is installed with heating strip, the outer wall of positioning frame is installed with temperature regulator, the outer wall of pressing plate is installed with fixed sleeve, the inner wall of fixed sleeve is installed with blade, the inner wall of blade is installed with limit spring, the outer wall of limit spring is installed with top rod, the side of positioning frame away from temperature regulator is installed with knife sleeve.
[0006] Preferably, the inner wall of the fixed plate is designed as a hole type, and the adjusting rod is movably connected with the fixed plate.
[0007] Preferably, the adjusting rod is screw-connected with the adjusting sleeve, and the adjusting rod is symmetrically arranged with the center axis of the fixed plate as the center.
[0008] Preferably, the sliding sleeve is clampedly connected with the positioning frame, and the pressing plate and the fixed plate form an extension structure through the pressing spring.
[0009] Preferably, the pressing plate is movably connected with the telescopic rod, and the pressing plate is closely attached to the pressing spring.
[0010] Preferably, the blade is inserted with the fixed sleeve, and the jacking rod forms an extension structure with the blade through the limiting spring.
[0011] Preferably, the jacking rod is clampedly connected with the fixed sleeve, and the inner wall groove size of the knife sleeve matches the outer wall size of the blade.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1、The utility model discloses a fixed plate, an adjusting rod, an adjusting sleeve, a pressing spring and a pressing plate are set up, are screw-adjusted through the rotation adjusting sleeve and the adjusting rod, and the spacing between the pressing plate and the fixed plate is adjusted, so that the pressing spring is adjusted, the pre-tightening force of the pressing spring is limited through the control telescopic of the pressing spring, realizes the adjustment of the packaging material heat sealing pressure, satisfies the packaging material heat pressure demand of different materials or thicknesses.
[0014] 2、The utility model discloses a fixed sleeve, a blade, a limiting spring and a jacking rod are set up, the jacking rod is pressed inwards, then the blade is placed into the fixed sleeve, at this time, the jacking rod is fixed through the elastic force of the limiting spring and is pressed out, makes the jacking rod and the fixed sleeve and clamps fixedly, compared with the traditional bolt fixed mode, the utility model discloses more convenient and efficient for the dismounting replacement of the blade. DRAWINGS
[0015] Figure 1 It is the structure schematic diagram of the appearance of the utility model from the front view.
[0016] Figure 2 It is the structure schematic diagram of the appearance of the utility model from the side view.
[0017] Figure 3 It is the structure schematic diagram of the assembly split display of the adjusting rod of the utility model.
[0018] Figure 4 It is the structure schematic diagram of the blade internal section of the utility model.
[0019] In the figure: 1, positioning frame; 2, motor; 3, telescopic rod; 4, fixed plate; 5, adjusting rod; 6, adjusting sleeve; 7, top pressure spring; 8, sliding sleeve; 9, pressing plate; 10, bottom plate; 11, heating strip; 12, temperature regulator; 13, fixed sleeve; 14, blade; 15, limiting spring; 16, top rod; 17, blade sleeve. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.
[0021] The embodiments of the utility model will be described below according to the overall structure of the utility model.
[0022] Please refer to Figures 1-4 A kind of adjustable vacuum packaging machine heat sealing pressure device, including positioning frame 1, the outer wall of positioning frame 1 is equipped with motor 2, the outer wall of motor 2 is equipped with telescopic rod 3, the outer wall of telescopic rod 3 is equipped with fixed plate 4, the inner wall of fixed plate 4 is equipped with adjusting rod 5, the outer wall of adjusting rod 5 is equipped with adjusting sleeve 6, the outer wall of adjusting rod 5 is equipped with top pressure spring 7, the side wall of fixed plate 4 is equipped with sliding sleeve 8, the outer wall of telescopic rod 3 is equipped with pressing plate 9, the inner wall of fixed plate 4 is designed as aperture type, and adjusting rod 5 is movably connected with fixed plate 4, adjusting rod 5 is threadedly connected with adjusting sleeve 6, and adjusting rod 5 is symmetrically arranged with the center axis of fixed plate 4, sliding sleeve 8 is engagedly connected with positioning frame 1, pressing plate 9 and fixed plate 4 form telescopic structure by top pressure spring 7, pressing plate 9 is movably connected with telescopic rod 3, and pressing plate 9 is closely attached with top pressure spring 7, by being equipped with fixed plate 4, adjusting rod 5, adjusting sleeve 6, top pressure spring 7 and pressing plate 9, by rotating adjusting sleeve 6 and adjusting rod 5 for thread adjustment, the distance between pressing plate 9 and fixed plate 4 is adjusted, so that top pressure spring 7 is adjusted, by controlling the telescopic of top pressure spring 7, the pre-tightening force of top pressure spring 7 is limited, the adjustment of packaging material heat sealing pressure is realized, and the heat pressure demand of packaging material of different materials or thickness is met.
[0023] Please refer to Figures 1-4The utility model provides a kind of adjustable vacuum packaging machine heat sealing pressure device, the inner side wall of positioning frame 1 is equipped with bottom plate 10, heating strip 11 is installed to the outer wall of pressing plate 9 and bottom plate 10, temperature regulator 12 is installed to the outer wall of positioning frame 1, fixed sleeve 13 is installed to the outer wall of pressing plate 9, blade 14 is installed to the inner wall of fixed sleeve 13, limiting spring 15 is installed to the inner wall of blade 14, top rod 16 is installed to the outer wall of limiting spring 15, knife sleeve 17 is installed to the side of positioning frame 1 away from temperature regulator 12, blade 14 is inserted with fixed sleeve 13, and top rod 16 forms telescopic structure with blade 14 by limiting spring 15, top rod 16 is engaged with fixed sleeve 13, the size of the inner wall slot of knife sleeve 17 is matched with the size of the outer wall of blade 14, by being provided with fixed sleeve 13, blade 14, limiting spring 15 and top rod 16, top rod 16 is pressed inwards, then blade 14 is placed into fixed sleeve 13, at this time, top rod 16 is ejected by the elastic force of limiting spring 15, so that top rod 16 is fixed with fixed sleeve 13, compared with traditional bolt fixed mode, the dismounting and replacement of blade 14 in the utility model are more convenient and efficient.
[0024] Working principle: when using, first, the device is moved to the required position, then blade 14 is placed into fixed sleeve 13, at this time, top rod 16 is ejected by the elastic force of limiting spring 15, so that top rod 16 is fixed with fixed sleeve 13, compared with traditional bolt fixed mode, the dismounting and replacement of blade 14 in the utility model are more convenient and efficient, then according to different packaging materials and thickness heat pressing demand, by rotating adjusting sleeve 6 and adjusting rod 5 to adjust the distance between pressing plate 9 and fixed plate 4, top pressure spring 7 is adjusted, by controlling the telescopic of top pressure spring 7, the pre-tightening force of top pressure spring 7 is limited, the adjustment of packaging material heat sealing pressure is realized, the heat pressing demand of different materials or thickness packaging materials is met, then the temperature of heating strip 11 is adjusted by temperature regulator 12, then the packaging bag needing heat pressing is placed between pressing plate 9 and bottom plate 10, finally, telescopic rod 3 is controlled to extend and retract by power motor 2, so that pressing plate 9 is pressed down, and the packaging material is heat pressed and sealed, so the use process of the device is completed, the contents not described in detail in the specification belong to the prior art known to the person skilled in the art.
[0025] Although the utility model has carried on the detailed explanation referring to preceding example, for the person skilled in the art, it still can modify the technical scheme recorded in preceding each embodiment, or equivalent replacement to part technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. An adjustable vacuum packaging machine heat sealing pressure device, comprising a positioning frame (1), characterized in that: A power motor (2) is installed on the outer wall of the positioning frame (1). A telescopic rod (3) is installed on the outer wall of the power motor (2). A fixing plate (4) is installed on the outer wall of the telescopic rod (3). An adjusting rod (5) is installed on the inner wall of the fixing plate (4). An adjusting sleeve (6) is installed on the outer wall of the adjusting rod (5). A top pressure spring (7) is installed on the outer wall of the adjusting rod (5). A sliding sleeve (8) is installed on the side wall of the fixing plate (4). A pressure plate (9) is installed on the outer wall of the telescopic rod (3). A pressure plate (9) is installed on the inner wall of the positioning frame (1). The base plate (10) is provided, and heating strips (11) are installed on the outer walls of the pressure plate (9) and the base plate (10). A temperature regulator (12) is installed on the outer wall of the positioning frame (1). A fixing sleeve (13) is installed on the outer wall of the pressure plate (9). A blade (14) is installed on the inner wall of the fixing sleeve (13). A limit spring (15) is installed on the inner wall of the blade (14). A top rod (16) is installed on the outer wall of the limit spring (15). A blade sleeve (17) is installed on the side of the positioning frame (1) away from the temperature regulator (12).
2. The adjustable vacuum packaging machine heat sealing pressure device according to claim 1, characterized in that: The inner wall of the fixing plate (4) is designed with openings, and the adjusting rod (5) is movably connected to the fixing plate (4).
3. The adjustable vacuum packaging machine heat sealing pressure device according to claim 1, characterized in that: The adjusting rod (5) is threadedly connected to the adjusting sleeve (6), and the adjusting rod (5) is symmetrically arranged with the central axis of the fixing plate (4) as the center.
4. The adjustable vacuum packaging machine heat sealing pressure device according to claim 1, characterized in that: The sliding sleeve (8) is engaged with the positioning frame (1), and the pressure plate (9) forms a telescopic structure with the fixing plate (4) through the top pressure spring (7).
5. The adjustable vacuum packaging machine heat sealing pressure device according to claim 1, characterized in that: The pressure plate (9) is movably connected to the telescopic rod (3), and the pressure plate (9) is tightly fitted with the top pressure spring (7).
6. The adjustable vacuum packaging machine heat sealing pressure device according to claim 1, characterized in that: The blade (14) is inserted into the fixed sleeve (13), and the top rod (16) forms a telescopic structure with the blade (14) through the limiting spring (15).
7. The adjustable vacuum packaging machine heat sealing pressure device according to claim 1, characterized in that: The top rod (16) is engaged with the fixed sleeve (13), and the inner wall groove size of the blade sleeve (17) matches the outer wall size of the blade (14).