Pedal type plastic bag sealing machine
By designing a foot-operated plastic bag sealing machine, the foot pedal mechanism and return spring drive the movement of the shaft rod to achieve heat sealing between the movable sealing plate and the fixed sealing plate. This solves the problem of time-consuming and laborious manual pressing heat-melting sealing in the existing technology and improves sealing efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-03-27
AI Technical Summary
Existing plastic bag sealing machines have complex structures, and manual pressing and heat-sealing are time-consuming, labor-intensive, and inefficient.
Design a foot-operated plastic bag sealing machine. The foot pedal mechanism drives the movement of a series of shafts and rods to achieve heat sealing between the movable sealing plate and the fixed sealing plate. The machine uses a return spring and shaft connection to simplify the operation process.
It enables rapid heat sealing of plastic bags, making the operation more convenient and faster, and improving sealing efficiency.
Smart Images

Figure CN224045640U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of plastic bag processing, especially to a foot-operated plastic bag sealing machine. BACKGROUND
[0002] The foot-operated sealing machine is the most widely used heat sealing equipment in factories, and is mainly used for temporary sealing and heat sealing experiments. The existing plastic bag sealing machine has a complex structure, and when a small production workshop performs sealing operation on plastic bags, the workers usually manually press the hot melt seal, which is time-consuming and laborious and has low efficiency. Therefore, the foot-operated plastic bag sealing machine is proposed to solve the above problems. SUMMARY
[0003] To solve the technical problem that the workers manually press the hot melt seal when a small production workshop performs sealing operation on plastic bags, the utility model provides a foot-operated plastic bag sealing machine.
[0004] The utility model adopts the following technical scheme to realize: a foot-operated plastic bag sealing machine, which comprises a device main body, an installation support is arranged at the bottom of the device main body, a supporting frame is fixedly connected to the inner side of the installation support, and the device main body comprises a foot-operated sealing mechanism.
[0005] The foot-operated sealing mechanism comprises a foot-operated frame, a connecting rod is installed above the foot-operated frame, a return spring is sleeved on the surface of the connecting rod, a first shaft is connected to the top end of the connecting rod, a first shaft rod is connected to the outer side of the first shaft, an adjusting shaft is movably installed on the surface of the first shaft rod, a second shaft is installed at the end of the first shaft rod away from the first shaft, a second shaft rod is connected to the outer side of the second shaft, a third shaft is connected to the end of the second shaft rod away from the second shaft, and an adjusting rod is connected to the outer side of the third shaft.
[0006] The end of the adjusting rod away from the third shaft is connected to a fourth shaft, a moving rod is connected to the outer side of the fourth shaft, a connecting shaft is connected to the end of the moving rod away from the fourth shaft, a push rod is connected to the outer side of the connecting shaft, a limiting sleeve is sleeved on the surface of the push rod, a movable sealing plate is connected to the top end of the push rod, the movable sealing plate is installed opposite to the fixed sealing plate, and the movable sealing plate and the fixed sealing plate perform heat sealing on the plastic bag.
[0007] The worker places the plastic bag between the movable sealing plate and the fixed sealing plate, then the worker steps on the foot rest, reciprocatingly steps on the foot rest, the foot rest drives the connecting rod connected with the foot rest to move, the connecting rod surface is sleeved with the reset spring, the bottom end of the reset spring is clamped on the support frame to compress, the first shaft is connected with the top end of the connecting rod to move synchronously, the first shaft is provided with the adjusting shaft in the middle position, the adjusting shaft is limited on the mounting support, the first shaft drives the second shaft to deflect when the adjusting shaft is taken as the base point to rotate, the second shaft is connected with the second shaft rod to deflect synchronously, the second shaft rod drives the third shaft to deflect synchronously, the third shaft is connected with the adjusting rod to deflect synchronously, the adjusting rod is taken as the base point to deflect and adjust, the fourth shaft is connected with the top end of the adjusting rod to deflect and move synchronously, the fourth shaft drives the moving rod to move synchronously, the connecting shaft and the push rod are connected with the top end of the moving rod to move synchronously, the movable sealing plate is connected with the top end of the push rod to move synchronously, the movable sealing plate moves to the fixed sealing plate, the movable sealing plate and the fixed sealing plate heat seal the plastic bag, and the purpose of heat sealing the plastic bag is achieved.
[0008] As a further improvement of the above scheme, the adjusting rod is L-shaped, and the inflection point of the L-shaped adjusting rod is hinged to the mounting table.
[0009] As a further improvement of the above scheme, the connecting part of the inflection point of the L-shaped adjusting rod and the mounting table is installed and limited by the deflection shaft, and the adjusting rod deflects around the deflection shaft.
[0010] As a further improvement of the above scheme, the movable sealing plate and the fixed sealing plate are both internally provided with a heating assembly, so that the plastic bag is heat sealed.
[0011] Compared with the prior art, the utility model has the advantages that the connecting shaft and the push rod are connected with the top end of the moving rod to move synchronously, the movable sealing plate is connected with the top end of the push rod to move synchronously, the movable sealing plate moves to the fixed sealing plate, the movable sealing plate and the fixed sealing plate heat seal the plastic bag, the purpose of heat sealing the plastic bag is achieved, and the operation is more convenient and fast. ACCURACY OF DRAWINGS
[0012] Figure 1 It is a whole structure schematic view of the utility model;
[0013] Figure 2 It is a whole structure schematic view of the utility model Figure 1 It is a sectional view of a part structure of the utility model.
[0014] MAIN SYMBOL EXPLANATION:
[0015] 1, device body; 2, mounting bracket; 3, support frame; 4, foot sealing mechanism; 41, foot support; 42, connecting rod; 43, return spring; 44, first axis; 45, first shaft; 46, adjustment axis; 47, second axis; 48, second shaft; 49, third axis; 410, adjustment rod; 4101, mounting table; 411, deflection axis; 412, fourth axis; 413, movement rod; 414, connecting axis; 415, push rod; 416, limit sleeve; 417, movable sealing plate; 418, fixed sealing plate. DETAILED DESCRIPTION
[0016] In the following, the utility model is described further in conjunction with the drawings and specific embodiments, and it should be noted that the following described embodiments or technical features can be combined to form new embodiments without conflict. Embodiment 1:
[0017] Please combine Figures 1-2 The embodiment provides a foot-operated plastic bag sealing machine, which comprises a device body 1, a mounting bracket 2 is arranged at the bottom of the device body 1, a support frame 3 is fixedly connected to the inner side of the mounting bracket 2, and the device body 1 comprises a foot sealing mechanism 4.
[0018] The foot sealing mechanism 4 comprises a foot support 41, a connecting rod 42 is arranged above the foot support 41, a return spring 43 is sleeved on the surface of the connecting rod 42, a first axis 44 is connected to the top end of the connecting rod 42, a first shaft 45 is connected to the outer side of the first axis 44, an adjustment axis 46 is movably arranged on the surface of the first shaft 45, a second axis 47 is arranged at the end, away from the first axis 44, of the first shaft 45, a second shaft 48 is connected to the outer side of the second axis 47, a third axis 49 is connected to the end, away from the second axis 47, of the second shaft 48, and an adjustment rod 410 is connected to the outer side of the third axis 49.
[0019] It should be noted that the adjustment rod 410 is L-shaped, and the inflection point of the L-shaped adjustment rod 410 is hinged to the mounting table 4101.
[0020] The fourth axis 412 is connected to the end, away from the third axis 49, of the adjustment rod 410, a movement rod 413 is connected to the outer side of the fourth axis 412, a connecting axis 414 is connected to the end, away from the fourth axis 412, of the movement rod 413, a push rod 415 is connected to the outer side of the connecting axis 414, a limit sleeve 416 is sleeved on the surface of the push rod 415, a movable sealing plate 417 is connected to the top end of the push rod 415, the movable sealing plate 417 is arranged opposite to a fixed sealing plate 418, and the movable sealing plate 417 and the fixed sealing plate 418 heat seal plastic bags.
[0021] It is to be noted that the connecting position of the inflection point of the L-shaped adjusting rod 410 and the mounting table 4101 is installed and limited by the deflection shaft 411, and the adjusting rod 410 deflects around the deflection shaft 411.
[0022] More specifically, the worker places the plastic bag between the movable sealing plate 417 and the fixed sealing plate 418, and then the worker steps on the foot support 41, and by reciprocatingly stepping on the foot support 41, the foot support 41 drives the connecting rod 42 connected thereto to move, the connecting rod 42 surface sleeve reset spring 43 is compressed in turn, the bottom end of the reset spring 43 is clamped on the support frame 3 to be compressed, the first shaft 44 connected to the top end of the connecting rod 42 moves synchronously, the first shaft 44 drives the first shaft 45 connected thereto to move synchronously, the first shaft 45 is provided with an adjusting shaft 46 at the middle position, the adjusting shaft 46 is limited on the mounting bracket 2, and the first shaft 45 rotates around the adjusting shaft 46 as the base point when the first shaft 45 deflects, the first shaft 45 drives the second shaft 47 to deflect, the second shaft 47 drives the second shaft 48 connected thereto to deflect synchronously, the second shaft 48 drives the third shaft 49 connected to the top end to deflect synchronously, the third shaft 49 drives the adjusting rod 410 connected thereto to deflect synchronously, the adjusting rod 410 deflects around the deflection shaft 411 as the base point, the fourth shaft 412 connected to the top end of the adjusting rod 410 deflects synchronously, the fourth shaft 412 drives the movement rod 413 connected thereto to move synchronously, the movement rod 413 drives the connecting shaft 414 and the push rod 415 connected to the top end to move synchronously, the movable sealing plate 417 connected to the top end of the push rod 415 moves synchronously, the movable sealing plate 417 moves towards the fixed sealing plate 418, and the movable sealing plate 417 and the fixed sealing plate 418 heat seal the plastic bag, achieving the purpose of heat sealing the plastic bag.
[0023] It is to be noted that the movable sealing plate 417 and the fixed sealing plate 418 are both provided with a heating assembly.
[0024] The specific implementation steps of the utility model are as follows:
[0025] In use, the staff will be placed between the plastic bag movable sealing plate 417 and fixed sealing plate 418, then the staff will be placed in the footrest 41, by reciprocating footrest 41, footrest 41 connected with the connecting rod 42 movement, connecting rod 42 surface set interface reset spring 43 in turn synchronous compression, reset spring 43 bottom end clamped in the support frame 3 compression, connecting rod 42 top end connected with the first shaft 44 synchronous movement, first shaft 44 drive connected with the first shaft 45 synchronous movement, first shaft 45 middle position is provided with adjusting shaft 46, adjusting shaft 46 limit in the mounting bracket 2, when the first shaft 45 deflection, with adjusting shaft 46 as the base point rotates, the first shaft 45 drive second shaft 47 deflection, second shaft 47 drive connected with the second shaft 48 synchronous deflection, the second shaft 48 drive its top end connected with the third shaft 49 synchronous deflection, third shaft 49 drive connected with the adjusting rod 410 synchronous deflection, adjusting rod 410 with deflection axis 411 as the base point deflection adjustment, adjusting rod 410 top end connected with the fourth shaft 412 synchronous deflection movement, fourth shaft 412 drive connected with the movement rod 413 synchronous movement, movement rod 413 drive its top end connected with the connecting shaft 414 and push rod 415 synchronous movement, push rod 415 top end connected with the movable sealing plate 417 synchronous movement, movable sealing plate 417 to the fixed sealing plate 418 direction movement, movable sealing plate 417 and fixed sealing plate 418 to the plastic bag heat sealing, realize the purpose of heat sealing plastic bag.
[0026] The above embodiment is only the preferred embodiment of the present application, and cannot be used to limit the scope of the present application. Any non-substantial changes and replacements made by those skilled in the art based on the present application shall fall within the scope of the present application.
Claims
1. A foot-operated plastic bag sealer comprising a device body (1), characterized in that, The bottom of the device body (1) is provided with a mounting bracket (2), the inner side of the mounting bracket (2) is fixedly connected with a support frame (3), and the device body (1) comprises a foot pedal sealing mechanism (4). The foot pedal sealing mechanism (4) comprises an adjusting rod (410), one end of the adjusting rod (410) away from a third shaft (49) is connected with a fourth shaft (412), the outer side of the fourth shaft (412) is connected with a movement rod (413), one end of the movement rod (413) away from the fourth shaft (412) is connected with a connecting shaft (414), the outer side of the connecting shaft (414) is connected with a push rod (415), the surface of the push rod (415) is sleeved with a limiting sleeve (416), the top end of the push rod (415) is connected with a movable sealing plate (417), the movable sealing plate (417) is installed opposite to a fixed sealing plate (418), and the movable sealing plate (417) and the fixed sealing plate (418) heat seal plastic bags.
2. A foot-operated plastic bag sealer as claimed in claim 1, wherein, The foot pedal sealing mechanism (4) comprises a foot pedal frame (41), the upper side of the foot pedal frame (41) is provided with a connecting rod (42), the surface of the connecting rod (42) is sleeved with a return spring (43), the top end of the connecting rod (42) is connected with a first shaft (44), the outer side of the first shaft (44) is connected with a first shaft rod (45), the surface of the first shaft rod (45) is movably installed with an adjusting shaft (46), one end of the first shaft rod (45) away from the first shaft (44) is provided with a second shaft (47), the outer side of the second shaft (47) is connected with a second shaft rod (48), one end of the second shaft rod (48) away from the second shaft (47) is connected with a third shaft (49), the outer side of the third shaft (49) is connected with an adjusting rod (410).
3. A foot-operated plastic bag sealer as claimed in claim 2, wherein, The adjusting rod (410) is L-shaped, and the inflection point of the L-shaped adjusting rod (410) is hinged to a mounting table (4101).
4. A foot-operated plastic bag sealer as claimed in claim 3, wherein, The connecting position of the inflection point of the L-shaped adjusting rod (410) and the mounting table (4101) is installed and limited by a deflection shaft (411), and the adjusting rod (410) is deflected around the deflection shaft (411).
5. A foot-operated plastic bag sealer as defined in claim 1, wherein, The movable sealing plate (417) and the fixed sealing plate (418) are both provided with a heating assembly.