CN221024345U - Automatic deviation correcting device of lower film of stretch film vacuum packaging machine - Google Patents
Automatic deviation correcting device of lower film of stretch film vacuum packaging machine Download PDFInfo
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- CN221024345U CN221024345U CN202322843450.4U CN202322843450U CN221024345U CN 221024345 U CN221024345 U CN 221024345U CN 202322843450 U CN202322843450 U CN 202322843450U CN 221024345 U CN221024345 U CN 221024345U
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- lower film
- film
- fixed
- automatic deviation
- deviation
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- 238000009461 vacuum packaging Methods 0.000 title claims abstract description 17
- 229920006302 stretch film Polymers 0.000 title claims abstract description 14
- 239000000523 sample Substances 0.000 claims abstract description 31
- 230000006698 induction Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000001939 inductive effect Effects 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000010030 laminating Methods 0.000 abstract description 2
- 235000013305 food Nutrition 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
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- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The utility model relates to the technical field of stretch film packaging equipment, in particular to an automatic deviation correcting device for a lower film of a stretch film vacuum packaging machine. The device comprises a lower film feeding frame, wherein an inflatable shaft and a plurality of rollers are arranged on the lower film feeding frame; the automatic deviation rectifying device also comprises an automatic deviation rectifying frame, a deviation rectifying motor, a deviation rectifying induction device and a PLC control system. According to the utility model, the running state of the lower film is monitored in real time through the sensing probe, the sensing area of the sensing probe can accurately identify the edge distance of the lower film and send sensing signals to the PLC control system, the PLC control system controls the action of the deviation correcting motor through the received signals, the whole accurate movement of the lower film is realized, the movement process is stable and smooth, automatic and accurate deviation correction is realized, the fact that the laminating degree deviation of the upper film and the lower film on a product subjected to heat sealing and sealing through a photoelectric eye is almost 0 is finally realized, and the problem of film deviation of the upper film and the lower film caused by deviation of the upper film is really solved.
Description
Technical Field
The utility model relates to the technical field of stretch film packaging equipment, in particular to an automatic deviation correcting device for a lower film of a stretch film vacuum packaging machine.
Background
In the field of food packaging, in order to make the shelf life of food longer, a vacuum packaging mode is often adopted. Stretch film vacuum packaging machines are commonly used in the market to rapidly and effectively vacuum package food products.
Generally, when packaging food (such as marinated eggs) with a stretched film, an upper and a lower stretched films (hereinafter referred to as an upper film and a lower film) are required, and the upper film and the lower film are processed in a hot air chamber of a stretched film vacuum packaging machine to be sealed and matched with the shape of the food. Because the patterns, marks and the like of the products are printed or sprayed on the upper film and the lower film in advance, after packaging, the patterns and marks of the upper film and the lower film are in one-to-one correspondence up and down, therefore, the running routes of the upper film and the lower film are required to be accurately controlled to prevent deviation, and if deviation occurs, the upper film and the lower film are not opposite, and defective products are caused and cannot be used.
In the prior art, a manual deviation correcting device for a lower film is arranged on a vacuum packaging machine for a stretched film, as shown in fig. 1, a manual deviation correcting frame 4 is arranged on a lower film feeding frame 1 of the vacuum packaging machine for the stretched film, the lower film is wound on an inflatable shaft 3, passes through a roller after passing through the manual deviation correcting frame 4, and then enters a chain wheel roller through a braking position. When the deviation occurs in the lower film operation process, the upper film can be dropped due to the fact that the lower film enters the chain wheel roller, so that the transverse movement of the manual deviation correcting frame 4 is controlled by rotating the screw rod 2, and deviation correction is performed on the lower die. The manual deviation correcting device can not realize the accurate control on the operation of the lower die, and can not really solve the problem of deviation of the upper film and the lower film caused by the deviation of the lower film.
Disclosure of utility model
The utility model aims to provide an automatic deviation correcting device for a lower film of a stretch film vacuum packaging machine, which solves the technical problems.
In order to solve the problems, the utility model adopts the following technical scheme: the automatic deviation correcting device for the lower film of the stretch film vacuum packaging machine comprises a lower film feeding frame, wherein an inflatable shaft and a plurality of rollers are arranged on the lower film feeding frame; the automatic deviation rectifying device also comprises an automatic deviation rectifying frame, a deviation rectifying motor, a deviation rectifying induction device and a PLC control system; the automatic deviation correcting frame is arranged on the front side of the lower film feeding frame, an upper sliding rail and a lower sliding rail are fixed on a vertical plate on the front side of the lower film feeding frame, sliding blocks corresponding to the upper sliding rail and the lower sliding rail respectively are fixed on the automatic deviation correcting frame, and the sliding blocks are correspondingly clamped on the sliding rails; the correcting motor is transversely arranged and fixed on the automatic correcting frame, the end part of the telescopic shaft of the correcting motor is fixedly provided with a motor connector, the motor connector is fixedly connected with a connecting column, and the connecting column is fixedly connected with the vertical plate; the deviation rectifying induction device comprises an induction probe and a probe bracket; the probe bracket is arranged at the outer side of the automatic deviation correcting bracket, and the tail part of the induction probe is assembled on the probe bracket; the sensing probe is arranged between the automatic deviation rectifying frame and the lower film feeding frame, is positioned on a lower film running route, monitors the running state of the lower film in real time, sends monitoring signals to the PLC control system, and controls the action of the deviation rectifying motor through the received monitoring signals.
Preferably, the automatic deviation correcting frame comprises a left stand, a right stand, an upper connecting plate and a lower connecting plate, wherein the upper connecting plate and the lower connecting plate are connected between the two stands; the deviation correcting motor is fixed on the motor seat, and the upper end and the lower end of the motor seat are respectively fixed on the upper connecting plate and the lower connecting plate; and the surfaces of the upper connecting plate and the lower connecting plate, which are opposite to the vertical plate, are respectively fixed with sliding blocks corresponding to the upper sliding rail and the lower sliding rail.
When the telescopic shaft of the deviation correcting motor stretches, the connecting column is driven to move between the upper connecting plate and the lower connecting plate, and then the lower film feeding frame is driven to move transversely.
Preferably, the probe bracket comprises a fixed shaft, an adjusting shaft, a connecting seat and a supporting plate; the fixed shaft is vertically fixed on the outer side wall of one of the vertical frames, the adjusting shaft is parallel to the fixed shaft, the connecting seat is provided with two shaft sleeves, and the two shaft sleeves are respectively sleeved and assembled on the fixed shaft and the adjusting shaft; the support plate is triangular and is assembled on the inner end of the adjusting shaft, and the tail of the inductive probe is fixed on the support plate.
Preferably, the support plate is provided with a bar-shaped hole, and the inner end of the adjusting shaft penetrates through the bar-shaped hole and is fastened through a bolt.
The beneficial effects are that: compared with the prior art, the utility model monitors the running state of the lower film in real time through the sensing probe, the sensing area of the sensing probe can accurately identify the edge distance of the lower film and send sensing signals to the PLC control system, the PLC control system controls the action of the deviation correcting motor through the received signals, the whole accurate movement of the lower film is realized, the movement process is stable and smooth, the automatic and accurate deviation correction is realized, the deviation of the laminating degree of the upper film and the lower film of a product after the product is sealed by heat sealing through the photoelectric eye is almost 0, and the problem of the deviation of the upper film and the lower film caused by the deviation of the upper film is really solved.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of a manual deviation correcting device for a lower film in the prior art;
Fig. 2 is a schematic perspective view (1) of the automatic deviation correcting device for lower film according to the present utility model;
FIG. 3 is a schematic diagram (2) of a three-dimensional structure of the automatic deviation rectifying device for lower film according to the present utility model;
Fig. 4 is a schematic side view of the automatic deviation rectifying device for lower film according to the present utility model.
In the figure: 1-a lower film feeding frame; 2-a screw rod; 3-an air expansion shaft; 4-a manual deviation correcting frame; 5-supporting plates; 6-adjusting the shaft; 7-connecting seats; 8-a fixed shaft; 9-a vertical plate; 10-sliding rails; 11-a motor base; 12, a deviation correcting motor; 13-a motor connector; 14-connecting columns; 15-connecting plates; 16-stand; 17-a slider; 18-an inductive probe; 19-roller.
Detailed Description
The utility model is further described below with reference to the drawings and the detailed description.
Examples
Referring to fig. 2-4, the automatic deviation rectifying device for lower film of the stretch film vacuum packaging machine in this embodiment includes a lower film feeding frame 1, an automatic deviation rectifying frame, a deviation rectifying motor 12, a deviation rectifying sensing device and a PLC control system; the lower film feeding frame 1 is provided with an inflatable shaft 3 and a plurality of rollers 19.
The automatic deviation correcting frame is arranged on the front side of the lower film feeding frame 1 and comprises a left stand 16, a right stand 16 and an upper connecting plate 15 and a lower connecting plate 15 which are connected between the two stands 16. The deviation correcting motor 12 is transversely arranged and fixed on the motor base 11, and the upper end and the lower end of the motor base 11 are respectively fixed on an upper connecting plate 15 and a lower connecting plate 15. The end part of the telescopic shaft of the deviation correcting motor 12 is fixedly provided with a motor connector 13, the motor connector 13 is fixedly connected with a connecting column 14, and the connecting column 14 passes through the upper connecting plate 15 and the lower connecting plate 15 and is fixedly connected with the vertical plate 9.
An upper slide rail 10 and a lower slide rail 10 are fixed on a vertical plate 9 at the front side of the lower film feeding frame 1, sliding blocks 17 corresponding to the upper slide rail 10 and the lower slide rail 10 are respectively fixed on the surfaces of an upper connecting plate 15 and a lower connecting plate 15 of the automatic deviation correcting frame, which are opposite to the vertical plate 9, and the sliding blocks 17 are correspondingly clamped on the slide rails 10; when the telescopic shaft of the deviation correcting motor 12 stretches, the connecting column 14 is driven to move between the upper connecting plate 15 and the lower connecting plate 15, and then the lower film feeding frame 1 is driven to move transversely.
The deviation correcting sensing device comprises a sensing probe 18 and a probe bracket.
The probe bracket is arranged at the outer side of the automatic deviation correcting bracket and comprises a fixed shaft 8, an adjusting shaft 6, a connecting seat 7 and a supporting plate 5; the fixed shaft 8 is vertically fixed on the outer side wall of one of the uprights 16, and the adjusting shaft 6 is parallel to the fixed shaft 8. The connecting seat 7 is provided with two shaft sleeves which are respectively sleeved and assembled on the fixed shaft 8 and the adjusting shaft 6. The support plate 5 is triangular and is assembled on the inner end of the adjusting shaft 6. The support plate 5 is provided with a bar-shaped hole, and the inner end of the adjusting shaft 6 penetrates through the bar-shaped hole and is fastened through a bolt.
The tail of the inductive probe 18 is fixed on the supporting plate 5. The structural design of the probe support can realize 360-degree adjustment of the induction probe 18 so as to ensure that the induction probe 18 accurately recognizes the running state of the lower film.
The inductive probe 18 is disposed between the automatic deviation rectifying frame and the lower film feeding frame 1, and is located on the lower film running route, and is used for monitoring the running state of the lower film in real time, and sending a monitoring signal to the PLC control system, and the PLC control system controls the action of the deviation rectifying motor 12 through the received monitoring signal.
The specific implementation method comprises the following steps: the automatic deviation correcting frame is fixed on the machine body of the stretch film vacuum packaging machine; the lower film is wound on the air expansion shaft 3, passes through each roller 19 in sequence, reaches a braking position, passes through the sensing probe 18 after passing through the braking position, and enters the sprocket roller; the sensing area of the sensing probe 18 can accurately identify the edge distance of the lower film, and sends sensing signals to the PLC control system, the PLC control system controls the action of the deviation rectifying motor 12 through the received monitoring signals, the whole accurate movement of the lower film feeding frame 1 is realized, the movement process is stable and smooth, and the automatic and accurate deviation rectifying is realized. Finally, the lamination degree deviation of the upper film and the lower film of the product after heat sealing and sealing through the photoelectric eye is almost 0, and the film falling problem of the upper film caused by the deviation of the lower film is really solved.
The foregoing is only the embodiments of the present utility model, and the patent scope of the utility model is not limited thereto, but is also within the scope of the utility model, as long as the equivalent structures described in the specification and drawings of the present utility model are used directly or indirectly in other related technical fields.
Claims (4)
1. The automatic deviation correcting device for the lower film of the stretched film vacuum packaging machine comprises a lower film feeding frame (1), wherein an inflatable shaft (3) and a plurality of rollers (19) are arranged on the lower film feeding frame (1); the method is characterized in that: the automatic deviation rectifying device also comprises an automatic deviation rectifying frame, a deviation rectifying motor (12), a deviation rectifying induction device and a PLC control system;
The automatic deviation correcting frame is arranged at the front side of the lower film feeding frame (1), an upper sliding rail (10) and a lower sliding rail (10) are fixed on a vertical plate (9) at the front side of the lower film feeding frame (1), sliding blocks (17) corresponding to the upper sliding rail (10) and the lower sliding rail (10) are fixed on the automatic deviation correcting frame, and the sliding blocks (17) are correspondingly clamped on the sliding rails (10); the correcting motor (12) is transversely arranged and fixed on the automatic correcting frame, a motor connector (13) is fixed at the end part of the telescopic shaft of the correcting motor, the motor connector (13) is fixedly connected with a connecting column (14), and the connecting column (14) is fixedly connected with the vertical plate (9);
the deviation correcting sensing device comprises a sensing probe (18) and a probe bracket; the probe bracket is arranged at the outer side of the automatic deviation correcting bracket, and the tail part of the induction probe (18) is assembled on the probe bracket; the sensing probe (18) is arranged between the automatic deviation rectifying frame and the lower film feeding frame (1) and is positioned on a lower film running route, the running state of the lower film is monitored in real time, a monitoring signal is sent to the PLC control system, and the PLC control system controls the action of the deviation rectifying motor (12) through the received monitoring signal.
2. The automatic deviation rectifying device for lower film of stretch film vacuum packaging machine according to claim 1, wherein: the automatic deviation correcting frame comprises a left stand (16) and a right stand (16) and an upper connecting plate (15) and a lower connecting plate (15) which are connected between the two stands (16); the deviation correcting motor (12) is fixed on the motor base (11), and the upper end and the lower end of the motor base (11) are respectively fixed on an upper connecting plate (15) and a lower connecting plate (15); the upper and lower connecting plates (15) are respectively fixed with sliding blocks (17) corresponding to the upper and lower sliding rails (10) on the surfaces opposite to the vertical plates (9).
3. The automatic deviation rectifying device for lower film of stretch film vacuum packaging machine according to claim 2, wherein: the probe bracket comprises a fixed shaft (8), an adjusting shaft (6), a connecting seat (7) and a supporting plate (5); the fixed shaft (8) is vertically fixed on the outer side wall of one of the vertical frames (16), the adjusting shaft (6) is parallel to the fixed shaft (8), the connecting seat (7) is provided with two shaft sleeves, and the two shaft sleeves are respectively sleeved and assembled on the fixed shaft (8) and the adjusting shaft (6); the support plate (5) is triangular and is assembled on the inner end of the adjusting shaft (6), and the tail part of the inductive probe (18) is fixed on the support plate (5).
4. The automatic deviation rectifying device for lower film of stretch film vacuum packaging machine according to claim 3, wherein: the support plate (5) is provided with a strip-shaped hole, and the inner end of the adjusting shaft (6) penetrates through the strip-shaped hole and is fastened through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322843450.4U CN221024345U (en) | 2023-10-23 | 2023-10-23 | Automatic deviation correcting device of lower film of stretch film vacuum packaging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322843450.4U CN221024345U (en) | 2023-10-23 | 2023-10-23 | Automatic deviation correcting device of lower film of stretch film vacuum packaging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221024345U true CN221024345U (en) | 2024-05-28 |
Family
ID=91172178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322843450.4U Active CN221024345U (en) | 2023-10-23 | 2023-10-23 | Automatic deviation correcting device of lower film of stretch film vacuum packaging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221024345U (en) |
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2023
- 2023-10-23 CN CN202322843450.4U patent/CN221024345U/en active Active
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