Hand pressing type sealing machine
By using pulling components in the hand-pressure sealing machine to keep the heat flap flat, the problems of bulging and wrinkling of the heat flap during the thermal expansion process are solved, and the uniformity and stability of the heat seal are achieved.
Patent Information
- Application Number
- CN202421740145.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The heater sheets of existing hand-pressure sealers will have bulges and wrinkles during the thermal expansion process, resulting in uneven heat sealing and affecting the sealing effect.
A hand-pressure sealer is designed, using pulling components to keep the heater flat. The pulling assembly includes a clamping seat, a moving rod and a limiting spring. When the heater expands, the moving rod moves away from the heater through the action of the limiting spring, and stretches the heater to ensure its flat state.
Through the design of the pulling assembly, the heating plate always remains flat during the heat sealing process, ensuring the uniformity and stability of the heat sealing and improving the sealing effect.
Smart Images
Figure CN223015072U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a sealing machine, and more specifically, to a hand-pressed sealing machine. Background Art
[0002] A sealing machine is a machine for sealing containers filled with packages. A hand-pressed sealing machine is a small household sealing machine. The principle is to use a heating strip to seal the bag. Just place the bag mouth on the machine and gently press it by hand, which is simple and convenient to operate. The hand-pressed sealing machine includes a base and a pressing rod. A heating strip is provided inside the base. When in use, the user places the bag mouth between the upper surface of the base and the pressing rod and gently presses it by hand to complete the sealing.
[0003] After the heating strip (heating sheet) of the hand-pressed sealing machine is heated, it has a certain extension in the length direction due to thermal expansion and contraction. The two ends of the existing heating sheet are usually fixedly installed on the base, resulting in bulges and wrinkles on the heating sheet during the thermal expansion process. Therefore, uneven heat sealing occurs during the pressing process of the pressing rod, affecting the final heat sealing effect. Summary of the Utility Model
[0004] Aiming at the deficiencies of the existing technology, the purpose of the present utility model is to provide a hand-pressed sealing machine, which can keep the heating sheet flat during the heat sealing process, thus ensuring uniform heat reception during the heat sealing process.
[0005] To achieve the above purpose, the present utility model provides the following technical solution: A hand-pressed sealing machine includes a pressing rod and a base. The rear end of the pressing rod is hinged to the rear end of the base. An installation part and a heating sheet are provided on the base. The heating sheet is installed on the installation part. A pulling component is provided at one end of the installation part, and the pulling component is connected to one end of the heating sheet;
[0006] The pulling component includes a clamping seat, a moving rod and a limiting spring. The clamping seat is installed inside the base and is located at one end of the installation part. A limiting groove for the heating sheet to extend out is provided on the clamping seat;
[0007] A sliding groove for the moving rod to slide is provided on the base. Both the moving rod and the sliding groove are arranged in an "L" shape. A connection port is opened on the heating sheet, and the connection port is sleeved on one end of the moving rod. The limiting spring is connected to the other end of the moving rod and is used to push the moving rod to move away from the heating sheet.
[0008] In summary, the utility model has the following beneficial effects: when the heating sheet undergoes a thermal expansion effect during the heating process, the heating sheet will extend. At this time, under the action of the limiting spring, the moving rod moves away from the heating sheet, thereby stretching the heating sheet, ensuring that the heating sheet is always in a stretched state. Thus, when the pressing rod is pressed down, it can fit smoothly with the heating sheet, ensuring the stability of heat sealing.
[0009] When the temperature of the heating sheet decreases and contracts, under the pulling action of the heating sheet, the moving rod moves towards the heating sheet. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a three-dimensional structural schematic diagram of a hand-operated sealing machine;
[0011] Figure 2 It is a three-dimensional structural schematic diagram of the pulling component;
[0012] Figure 3 It is a three-dimensional structural schematic diagram of the clamping seat;
[0013] Figure 4 It is a three-dimensional structural schematic diagram of the moving rod.
[0014] Reference numerals: 1, pressing rod; 2, base; 21, adjusting screw; 3, mounting part; 4, heating sheet; 41, connection port; 5, pulling component; 51, clamping seat; 511, mounting bracket; 512, clamping block; 513, clamping spring; 52, moving rod; 521, lower limit ring; 522, threaded structure; 523, upper limit ring; 524, guide rod; 53, limiting spring; 6, limiting groove; 7, arc-shaped abutting part. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0015] The following further describes the present utility model in detail with reference to the drawings and embodiments. The same reference numerals are used for the same components. It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the terms "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a specific component, respectively.
[0016] Referring to Figures 1 to 4 As shown, to achieve the above object, the present utility model provides the following technical solution: a hand-operated sealing machine includes a pressing rod 1 and a base 2. The rear end of the pressing rod 1 is hinged to the rear end of the base 2. An installation part 3 and a heating sheet 4 are provided on the base 2. The heating sheet 4 is installed on the installation part 3. One end of the installation part 3 is provided with a pulling component 5, and the pulling component 5 is connected to one end of the heating sheet 4;
[0017] The pulling component 5 includes a clamping seat 51, a moving rod 52 and a limiting spring 53. The clamping seat 51 is installed in the base 2 and is located at one end of the installation part 3. A limiting groove 6 for the heating sheet 4 to extend out is provided on the clamping seat 51.
[0018] The base 2 is provided with a sliding groove for the moving rod 52 to slide. Both the moving rod 52 and the sliding groove are arranged in an "L" - shaped structure. A connection port 41 is opened on the heating sheet 4, and the connection port 41 is sleeved on one end of the moving rod 52. The limiting spring 53 is connected to the other end of the moving rod 52 and is used to push the moving rod 52 to move away from the heating sheet 4.
[0019] In the design of the utility model, when the heating sheet 4 undergoes a thermal expansion effect during the heating process, the heating sheet 4 will expand. At this time, under the action of the limiting spring 53, the moving rod 52 moves in the direction away from the heating sheet 4, thereby stretching the heating sheet 4, so as to ensure that the heating sheet 4 is always in a stretched state. Thus, when the pressing rod 1 presses down, it can be in flat contact with the heating sheet 4, thereby ensuring the stability of heat sealing.
[0020] When the temperature of the heating sheet 4 decreases and contracts, under the pulling action of the heating sheet 4, the moving rod 52 moves in the direction close to the heating sheet 4.
[0021] The design of the clamping seat 51 plays a guiding role during the thermal expansion and contraction of the heating sheet 4.
[0022] Pulling components 5 are arranged at both ends of the installation part 3, and the two pulling components 5 are respectively connected to the two ends of the heating sheet 4. According to the usage situation of this device, different embodiments are set, such as Figure 2 As shown, only one set of pulling component 5 is provided. The other end of the heating sheet 4 is fixedly installed on the installation part 3, and the other end is connected to the pulling component 5.
[0023] It is also possible that the two ends of the heating sheet 4 are respectively connected to their corresponding pulling components 5.
[0024] A lower limit ring 521 is arranged on the moving rod 52, and a threaded structure 522 is arranged at the upper end of the moving rod 52. An upper limit ring 523 is screwed onto the upper end of the moving rod 52. The design of this structure can ensure the firm installation of the heating sheet 4 and the moving rod 52, and the position of the heating sheet 4 can be limited by the upper limit ring 523 and the lower limit ring 521, thereby preventing the heating sheet 4 from shifting.
[0025] Furthermore, by disassembling and assembling the upper limit ring 523, the function of restricting the heating sheet 4 can be released.
[0026] Such as Figure 2 As shown, the upper limit ring 523 is not screwed onto the moving rod 52. As shown in Figure 4 As shown, the upper limit ring 523 is screwed onto the moving rod 52.
[0027] When the upper limit ring 523 is screwed into place on the moving rod 52 , a gap that matches the heating sheet 4 is left between the upper limit ring 523 and the lower limit ring 521 .
[0028] A guide rod 524 is provided below the lower limit ring 521 , and a guide groove is provided on the base 2 . The moving rod 52 is slidably connected in the guide groove via the guide rod 524 .
[0029] The limit spring 53 and the guide rod 524 are respectively arranged on both sides of the moving rod 52. Figure 4 and Figure 2 As shown, the design of this structure can always act on the left side of the moving rod 52 through the elastic force of the limit spring 53, so that the moving rod 52 moves to the right side, thereby being stretched under thermal expansion.
[0030] Furthermore, through the design of the guide rod 524 and the guide groove, the moving rod 52 can stably slide left and right.
[0031] The clamping seat 51 includes a mounting frame 511, a clamping block 512 and a clamping spring 513. The mounting frame 511 is arranged in a "冂"-shaped structure. The clamping block 512 is connected to the mounting frame 511 by sliding up and down. The clamping spring 513 is arranged between the mounting frame 511 and the clamping block 512 to drive the clamping block 512 to move downward.
[0032] An adjusting screw 21 for adjusting the vertical position of the mounting frame 511 is disposed on the base 2 .
[0033] like Figure 3 As shown, the design of this structure can make the clamping block 512 fully abut against the heating plate 4 through the clamping spring 513, thereby reducing the influence of the moving rod 52 on the heating plate 4.
[0034] When the moving rod 52 is required to perform a stretching operation, the position of the mounting frame 511 is adjusted by adjusting the screw rod 21 so that the clamping block 512 cannot abut against the heating sheet 4 . At this time, the heating sheet 4 can be stretched under the influence of the moving rod 52 .
[0035] The lower end of the clamping block 512 is provided with a plurality of arc-shaped abutting portions 7 along the width direction thereof.
[0036] The arc-shaped abutting portion 7 is made of elastic material.
[0037] The design of the arc-shaped abutting portion 7 can reduce the influence of temperature on the abutting portion by reducing the release area, while maintaining the limiting effect of the abutting portion on the heating plate 4.
[0038] In addition, a high-temperature resistant cloth is installed above the heating sheet 4, and an elastic body for pressing and fitting is arranged at the lower end of the pressing rod 1. The elastic body is made of foamed silica gel material, which can effectively buffer the collision between the pressing rod 1 and the base 2.
[0039] A basic circuit is arranged inside the base 2, and a control switch is arranged outside the base 2. By controlling the magnitude of the current in the control circuit, the temperature change of the heating sheet 4 is realized.
[0040] The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the concept of the present invention belong to the protection scope of the present invention. It should be noted that for those of ordinary skill in the art, several improvements and refinements made without departing from the principle of the present invention should also be regarded as within the protection scope of the present invention.
Claims
1. A hand-pressure sealing machine, comprising a pressure rod (1) and a base (2), wherein the rear end of the pressure rod (1) is hingedly arranged on the rear end of the base (2), and wherein: An installation part (3) and a heating sheet (4) are arranged on the base (2), the heating sheet (4) is installed on the installation part (3), a pulling component (5) is arranged at one end of the installation part (3), and the pulling component (5) is connected with one end of the heating sheet (4); The pulling component (5) includes a clamping seat (51), a moving rod (52) and a limiting spring (53). The clamping seat (51) is installed in the base (2) and is located at one end of the installation part (3). A limiting groove (6) for the heating sheet (4) to extend out is arranged on the clamping seat (51); A sliding groove for the moving rod (52) to slide is arranged on the base (2). Both the moving rod (52) and the sliding groove are arranged in an "L" shape. A connection port (41) is formed on the heating sheet (4), and the connection port (41) is sleeved on one end of the moving rod (52). The limiting spring (53) is connected to the other end of the moving rod (52) and is used to push the moving rod (52) to move away from the heating sheet (4); 2. A hand pressure sealing machine according to claim 1, characterized in that: Pulling components (5) are arranged at both ends of the installation part (3), and the two pulling components (5) are respectively connected with both ends of the heating sheet (4); 3. The hand pressure sealing machine according to claim 1, characterized in that: A lower limiting ring (521) is arranged on the moving rod (52), a threaded structure (522) is arranged at the upper end of the moving rod (52), and an upper limiting ring (523) is screwed on the upper end of the moving rod (52); 4. A hand pressure sealing machine according to claim 3, characterized in that: A guide rod (524) is arranged below the lower limiting ring (521), a guide groove is arranged on the base (2), and the moving rod (52) is slidably connected to the guide groove through the guide rod (524); 5. A hand pressure sealing machine according to claim 4, characterized in that: The limiting spring (53) and the guide rod (524) are respectively arranged on both sides of the moving rod (52); 6. A hand pressure sealing machine according to any one of claims 1 to 5, characterized in that: The clamping seat (51) includes an installation frame (511), a clamping block (512) and a clamping spring (513). The installation frame (511) is arranged in a "冂" shape. The clamping block (512) is slidably connected up and down on the installation frame (511). The clamping spring (513) is arranged between the installation frame (511) and the clamping block (512) and is used to drive the clamping block (512) to move downward; An adjusting screw rod (21) for adjusting the vertical position of the installation frame (511) is arranged on the base (2); 7. A hand pressure sealing machine according to claim 6, characterized in that: A plurality of arc-shaped abutting parts (7) are arranged at the lower end of the clamping block (512) along the width direction thereof; 8. The hand pressure sealing machine according to claim 7, characterized in that: The arc-shaped abutting part (7) is made of an elastic material.