Packaging film feeding mechanism of food packaging machine
By using a combined design of slide chute, slide shaft, slider and spring in the upper membrane mechanism of the food packaging machine, the pulling deformation problem of the upper membrane during start and brake is solved, the buffering effect is achieved, and the efficiency of the upper membrane is improved and Reduced waste.
Patent Information
- Application Number
- CN202421129663.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-22
AI Technical Summary
During the filming process, existing food packaging machines are prone to deformation of the film due to the instantaneous tension increase, and may cause waste of the film when braked.
An upper membrane mechanism including a column body, a locking shaft, an upper membrane, a transition shaft, a sliding groove, a sliding shaft, a sliding block, a spring, a brake device and a sensor are designed, and the first sliding groove and a second sliding groove are passed through the first sliding groove and the second sliding groove. The combination of the sliding device and the linear bearing uses the first and second springs to act as buffering during start and brake to prevent the upper film from being pulled and deformed.
It effectively prevents pulling deformation of the upper film during starting and braking, improves the efficiency of the upper film and reduces waste, and achieves the rationality of the structural design and buffering effect.
Smart Images

Figure CN222203073U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of food packaging, and more specifically, to an upper packaging film film-applying mechanism of a food packaging machine. Background Art
[0002] Food packaging machine is the key equipment for food preservation and safety. It uses a stepper motor, which is quiet, stable and has a long life. The fully automatic stretch film vacuum packaging machine is also called a fully automatic plastic box thermoforming vacuum packaging machine. The principle of the fully automatic stretch film vacuum packaging machine is to use a forming mold to heat the film first, and then use the forming mold to punch it into the shape of a container, and then put the package into the formed lower film cavity, and then vacuum pack it. It is mainly composed of a vacuum system, an air-inflating sealing system, a hot pressing sealing system, and an electrical control system.
[0003] When the upper film is sealed, the instantaneous pulling force increases at the same time as the equipment is started, which may cause the upper film to be pulled and deformed. Moreover, when the upper film is used up, the detection device can detect it, and the brake device clamps the upper film in time. The upper film may be stretched and deformed at the moment of clamping, resulting in waste of the upper film.
[0004] In view of this, research and improvement are conducted on the existing problems, and a packaging film upper film mechanism for a food packaging machine is provided, aiming to achieve the purpose of solving the problem and improving the practical value through this technology. Utility Model Content
[0005] The utility model aims to provide a packaging film upper film loading mechanism for a food packaging machine, so as to solve the problems and shortcomings raised in the above-mentioned background technology.
[0006] In order to achieve the above-mentioned purpose, the utility model provides a packaging film film-applying mechanism for a food packaging machine, which is achieved by the following specific technical means:
[0007] A packaging film upper film feeding mechanism of a food packaging machine, comprising: a column body, a locking shaft, an upper film, a transition shaft, a first slide groove, a first slide shaft, a first slider, a tensioning shaft, a first spring, a second slide groove, a second slide shaft, a second slider, a second spring, a cushion block, a brake device, a bracket, and a sensor; a locking shaft is installed on one side of the column body, and the upper film is fixedly installed on the outer wall of the locking shaft; the transition shaft is fixedly installed on one side of the column body; a first slide groove is opened on the outer wall of the column body, and the two ends of the first slide shaft are welded to the inner wall of the first slide groove; the first slider is installed on the outer wall of the first slide shaft through a linear bearing, and the tensioning shaft is fixedly installed on the outer wall of the first slider; the first spring is sleeved and connected to the outer wall of the first slide shaft, and the two ends of the first spring are connected to the outer wall of the first slider The wall abuts against the inner wall of the first slide groove, and the first spring is installed above the first slider; the second slide groove is opened on the outer wall of the column body, and the two ends of the second slide shaft are welded to the inner wall of the second slide groove; the second slider is installed on the outer wall of the second slide shaft through a linear bearing, and the second spring is sleeved on the outer wall of the second slide shaft, and the two ends of the second spring abut against the outer wall of the second slider and the inner wall of the second slide groove; a pad and a brake device are fixedly installed on the outer wall of the second slider, and the brake device is installed above the pad; a bracket is fixedly installed on the outer wall of the column body, and the sensor bolt is fixed on the outer wall of the bracket; the upper membrane is wound on the outer wall of the transition shaft and the tensioning shaft, and the upper membrane runs through the middle of the pad and the brake device, and the upper membrane runs through the inside of the bracket.
[0008] As a further optimization of the technical solution, the first slide groove of the upper packaging film upper film mechanism of a food packaging machine of the utility model is a long strip groove for accommodating the first slider, and the first slider is plugged and connected to the inner wall of the first slide groove as a sliding device.
[0009] As a further optimization of the technical solution, the utility model provides a food packaging machine with an upper packaging film mechanism, wherein a circular hole for installing a linear bearing is provided on the outer wall of the first slider, and the first slider is connected to the outer wall of the first sliding shaft through the linear bearing sleeve to form a sliding device.
[0010] As a further optimization of the technical solution, the utility model provides an upper packaging film upper film mechanism of a food packaging machine, wherein the upper film is wound around the lower side of the tensioning shaft.
[0011] As a further optimization of the technical solution, the second slide groove of the upper packaging film upper film mechanism of a food packaging machine of the utility model is a long hole for accommodating the second slider, and the second slider is plugged and connected to the inner wall of the second slide groove as a sliding device.
[0012] As a further optimization of the technical solution, the utility model provides a food packaging machine with an upper packaging film mechanism, wherein a circular hole for installing a linear bearing is provided on the outer wall of the second slider, and the second slider is connected to the outer wall of the second sliding shaft through the linear bearing sleeve to form a sliding device.
[0013] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:
[0014] 1. The first slide groove of the utility model is a long strip-shaped groove for accommodating the first slider, and the first slider is plugged and connected to the inner wall of the first slide groove as a sliding device; a round hole for installing a linear bearing is opened on the outer wall of the first slider, and the first slider is connected to the outer wall of the first sliding shaft through the linear bearing sleeve as a sliding device; the upper film is wound around the lower side of the tensioning shaft. When the equipment is started, the upper film is subjected to a momentary pull, and the first spring can play a buffering role to prevent the upper film from being pulled and deformed.
[0015] 2. In the utility model, the second slide groove is a long hole for accommodating the second slider, and the second slider is plugged and connected to the inner wall of the second slide groove as a sliding device; a round hole for installing a linear bearing is opened on the outer wall of the second slider, and the second slider is sleeved and connected to the outer wall of the second slide shaft through the linear bearing as a sliding device. When the sensor detects that the upper film is exhausted, the brake device and the pad block squeeze the upper film, and the second spring can play a buffering role to prevent sudden braking from causing the upper film to be pulled and deformed.
[0016] 3. The utility model improves the upper packaging film film-applying mechanism of a food packaging machine, and has the advantages of reasonable structural design, upper film starting buffer, and upper film braking buffer, thereby effectively solving the problems and shortcomings in the existing technology and equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;
[0020] Figure 3 It is a partial cross-sectional structural schematic diagram of the utility model;
[0021] Figure 4 It is a partial cross-sectional structural schematic diagram of the utility model;
[0022] Figure 5 It is a partial structural schematic diagram of the utility model.
[0023] In the figure: the column body 1, the locking shaft 2, the upper membrane 3, the transition shaft 4, the first slide groove 5, the first slide shaft 6, the first slider 7, the tensioning shaft 8, the first spring 9, the second slide groove 10, the second slide shaft 11, the second slider 12, the second spring 13, the cushion block 14, the brake device 15, the bracket 16, and the sensor 17. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0025] See also Figures 1 to 5 The utility model provides a specific technical implementation scheme of an upper packaging film film-loading mechanism of a food packaging machine:
[0026] A packaging film upper film mechanism of a food packaging machine, comprising: a column body 1, a locking shaft 2, an upper film 3, a transition shaft 4, a first slide groove 5, a first slide shaft 6, a first slider 7, a tensioning shaft 8, a first spring 9, a second slide groove 10, a second slide shaft 11, a second slider 12, a second spring 13, a cushion block 14, a brake device 15, a bracket 16, and a sensor 17; a locking shaft 2 is installed on one side of the column body 1, and the upper film 3 is fixedly installed on the outer wall of the locking shaft 2; the transition shaft 4 is fixedly installed on one side of the column body 1; a first The slide groove 5 is provided with a first slide shaft 6, and both ends of the first slide groove 6 are welded on the inner wall of the first slide groove 5; the first slide groove 5 is a long strip-shaped groove for accommodating the first slider 7, and the first slider 7 is plugged and connected to the inner wall of the first slide groove 5 as a sliding device; a round hole for installing a linear bearing is opened on the outer wall of the first slider 7, and the first slider 7 is connected to the outer wall of the first slide shaft 6 through a linear bearing sleeve as a sliding device; the upper film 3 is arranged around the lower side of the tensioning shaft 8. When the equipment is started, the upper film 3 is subjected to a momentary pull, and the first spring 9 can play a buffering role to prevent the upper film 3 from being pulled and deformed.
[0027] The first slider 7 is installed on the outer wall of the first sliding shaft 6 through a linear bearing, and a tensioning shaft 8 is fixedly installed on the outer wall of the first slider 7; the first spring 9 is sleeved and connected to the outer wall of the first sliding shaft 6, and the two ends of the first spring 9 are in contact with the outer wall of the first slider 7 and the inner wall of the first slide groove 5, and the first spring 9 is installed above the first slider 7; the second slide groove 10 is provided on the outer wall of the column body 1, and the two ends of the second sliding shaft 11 are welded on the inner wall of the second slide groove 10; the second slide groove 10 is a long hole for accommodating the second slider 12, and the second slider 12 is plugged and connected to the inner wall of the second slide groove 10 as a sliding device; a round hole for installing a linear bearing is provided on the outer wall of the second slider 12, and the second slider 12 is sleeved and connected to the outer wall of the second sliding shaft 11 through a linear bearing as a setting of the sliding device, when the sensor 17 detects that the upper film 3 is exhausted, the brake device 15 and the pad 14 squeeze the upper film 3, and the second spring 13 can play a buffering role to prevent sudden braking from causing the upper film 3 to be pulled and deformed.
[0028] The second slider 12 is installed on the outer wall of the second sliding shaft 11 through a linear bearing, and the second spring 13 is sleeved and connected to the outer wall of the second sliding shaft 11, and the two ends of the second spring 13 are in contact with the outer wall of the second slider 12 and the inner wall of the second slide groove 10; a cushion block 14 and a brake device 15 are fixedly installed on the outer wall of the second slider 12, and the brake device 15 is installed above the cushion block 14; a bracket 16 is fixedly installed on the outer wall of the column body 1, and the sensor 17 is bolted to the outer wall of the bracket 16; the upper membrane 3 is wound around the outer walls of the transition shaft 4 and the tensioning shaft 8, and the upper membrane 3 passes through the middle of the cushion block 14 and the brake device 15, and the upper membrane 3 passes through the inside of the bracket 16.
[0029] Specific implementation steps:
[0030] The upper film 3 is wound on the top of the transition shaft 4, and then wound on the bottom of the tensioning shaft 8, and then wound on the top of another transition shaft 4, passing through the middle of the cushion block 14 and the brake device 15, passing through the middle of the bracket 16 from the top of the transition shaft 4, and connected and fixed with the stretching film below, and the equipment is started. The upper film 3 is subjected to instantaneous pulling, and the first spring 9 can play a buffering role to prevent the upper film 3 from being pulled and deformed. When the sensor 17 detects that the upper film 3 is exhausted, the brake device 15 and the cushion block 14 squeeze the upper film 3, and the second spring 13 can play a buffering role to prevent the upper film 3 from being pulled and deformed due to sudden braking.
[0031] To sum up: the upper packaging film film-applying mechanism of the food packaging machine is a long strip groove for accommodating the first slider through the first slide groove, and the first slider is plugged and connected to the inner wall of the first slide groove as a sliding device; a round hole for installing a linear bearing is opened on the outer wall of the first slider, and the first slider is connected to the outer wall of the first sliding shaft through the linear bearing sleeve as a sliding device; the upper film is wound around the lower side of the tensioning shaft, and when the equipment is started, the upper film is subjected to instantaneous pulling, and the first spring can play a buffering role to prevent the upper film from being pulled and deformed; the second slide groove is a long strip hole for accommodating the second slider, and the second slider The sliding device is plugged into the inner wall of the second slide groove; a circular hole for installing a linear bearing is opened on the outer wall of the second slider, and the second slider is sleeved and connected to the outer wall of the second slide shaft through the linear bearing as the setting of the sliding device. When the sensor detects that the upper film is exhausted, the brake device and the cushion block squeeze the upper film, and the second spring can play a buffering role to prevent sudden braking from causing the upper film to be pulled and deformed; through the improvement of the upper packaging film film-applying mechanism of a food packaging machine, it has the advantages of reasonable structural design, upper film start buffering, and upper film brake buffering, thereby effectively solving the problems and shortcomings in the existing technology and equipment.
[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A packaging film feeding mechanism for a food packaging machine, include: A column body (1), a locking shaft (2), an upper membrane (3), a transition shaft (4), a first slide groove (5), a first slide shaft (6), a first slider (7), a tensioning shaft (8), a first spring (9), a second slide groove (10), a second slide shaft (11), a second slider (12), a second spring (13), a cushion block (14), a brake device (15), a bracket (16), and a sensor (17); characterized in that a locking shaft (2) is installed on one side of the column body (1), and the upper membrane (3) is fixedly installed on the outer wall of the locking shaft (2). The transition shaft (4) is fixedly mounted on one side of the column body (1); a first slide groove (5) is provided on the outer wall of the column body (1), and two ends of the first slide shaft (6) are welded to the inner wall of the first slide groove (5); the first slider (7) is mounted on the outer wall of the first slide shaft (6) through a linear bearing, and a tensioning shaft (8) is fixedly mounted on the outer wall of the first slider (7); the first spring (9) is sleeved and connected to the outer wall of the first slide shaft (6), and two ends of the first spring (9) are connected to the outer wall of the first slider (7) and the first slide groove ( 5), and the first spring (9) is installed above the first slider (7); the second slide groove (10) is opened on the outer wall of the column body (1), and the two ends of the second slide shaft (11) are welded to the inner wall of the second slide groove (10); the second slider (12) is installed on the outer wall of the second slide shaft (11) through a linear bearing, and the second spring (13) is sleeved and connected to the outer wall of the second slide shaft (11), and the two ends of the second spring (13) are abutted against the outer wall of the second slider (12) and the inner wall of the second slide groove (10). The second slider (12) is connected to the outer wall of which a cushion block (14) and a brake device (15) are fixedly mounted, and the brake device (15) is mounted above the cushion block (14); the outer wall of the column body (1) is fixedly mounted with a bracket (16), and the sensor (17) is bolted to the outer wall of the bracket (16); the upper membrane (3) is wound around the outer wall of the transition shaft (4) and the tensioning shaft (8), and the upper membrane (3) passes through the middle of the cushion block (14) and the brake device (15), and the upper membrane (3) passes through the inside of the bracket (16).
2. The upper packaging film feeding mechanism of a food packaging machine according to claim 1, Features: The first slide groove (5) is a long strip-shaped groove for accommodating the first sliding block (7), and the first sliding block (7) is plugged and connected to the inner wall of the first slide groove (5) to form a sliding device.
3. The upper packaging film feeding mechanism of a food packaging machine according to claim 1, Features: A circular hole for installing a linear bearing is provided on the outer wall of the first sliding block (7), and the first sliding block (7) is connected to the outer wall of the first sliding shaft (6) through the sleeve of the linear bearing to form a sliding device.
4. The upper packaging film feeding mechanism of a food packaging machine according to claim 1, Features: The upper film (3) is wound around the lower side of the tensioning shaft (8).
5. The upper packaging film feeding mechanism of a food packaging machine according to claim 1, Features: The second slide groove (10) is a long hole for accommodating the second sliding block (12), and the second sliding block (12) is plugged and connected to the inner wall of the second slide groove (10) to form a sliding device.
6. The upper packaging film feeding mechanism of a food packaging machine according to claim 1, Features: A circular hole for installing a linear bearing is provided on the outer wall of the second sliding block (12), and the second sliding block (12) is sleeve-connected to the outer wall of the second sliding shaft (11) via the linear bearing to form a sliding device.
