Deviation correcting device

Abstract

The deviation rectifying device is used for rectifying deviation of a film feeding station of a strip packaging machine, the strip packaging machine is arranged in a machine box frame and comprises the film feeding station, a roll film and a roller, the film feeding station is arranged on a platform of the machine box frame in a sliding mode, the roll film is arranged on the roller, the roller is arranged on the film feeding station, and the roll film is arranged on the roller. The deviation correcting device comprises a sensor assembly, a control assembly and a driving assembly. The sensor assembly comprises a first sensor and a second sensor which are arranged at the two ends of a rolled film correspondingly. The control assembly is electrically connected with the sensor assembly so as to receive a signal detected by the sensor assembly; the driving assembly is in transmission connection with the film feeding station and drives the film feeding station to move towards the first end or the second end, and the control assembly is electrically connected with the driving assembly. The deviation rectifying device disclosed by the utility model is simple in structure and convenient to operate, deviation rectifying of the rolled film is realized through movement of the film feeding station, the deviation rectifying is accurate and timely, and the film cutting precision of the strip packaging machine can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of strip wrapping machines, and more specifically, to a deviation correcting device. Background Art

[0002] At present, the film material of the strip packaging machine is uneven, and the width of the film material has a large deviation, which is mainly caused by the deviation of the film material after passing through the roller of the film loading station. The existing technology often uses an independent correction device to correct the position deviation of the film material during the feeding process. If the installation space is limited, it is impossible to install an independent correction device, resulting in the inability to correct the position deviation of the film material during the feeding process, affecting the subsequent film cutting accuracy.

[0003] Therefore, how to design a deviation correction device to improve the film cutting accuracy of the strip packaging machine has become a technical problem that needs to be solved urgently by those skilled in the art. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a deviation correction device to improve the film cutting accuracy of a strip packaging machine.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A deviation correction device is used for correcting the film-applying station of a strip wrapping machine. The strip wrapping machine is arranged in a chassis frame. The strip wrapping machine comprises a film-applying station, a film roll and a roller. The film-applying station is slidably arranged on a platform of the chassis frame, the film roll is arranged on the roller, and the roller is arranged on the film-applying station. The deviation correction device comprises:

[0007] A sensor assembly, the sensor assembly comprising a first sensor and a second sensor respectively arranged at two ends of the roll film;

[0008] A control component, the control component is electrically connected to the sensor component to receive a signal detected by the sensor component;

[0009] The driving component is connected to the film-applying station for driving the film-applying station to move toward the first end or the second end. The control component is electrically connected to the driving component to control the driving component to perform an adjustment action according to a signal detected by the sensor component.

[0010] Optionally, in the above-mentioned deviation correction device, the driving component includes:

[0011] A first drive motor, wherein a fixed end of the first drive motor is arranged in the chassis frame;

[0012] A lead screw, wherein the output end of the first drive motor is drivingly connected to the first end of the lead screw;

[0013] The nut is threadably connected to the lead screw and is fixedly connected to the upper film station.

[0014] Optionally, in the above-mentioned deviation correction device, the output end of the first driving motor is transmission-connected with a first gear, the first end of the lead screw is provided with a second gear, and the first gear is meshed with the second gear.

[0015] Optionally, in the above-mentioned correction device, the driving assembly includes a first pulling shaft, the first driving motor is connected to the first gear through a sprocket, the sprocket includes a first sprocket and a second sprocket, the first sprocket is fixed to the output shaft of the first driving motor, the second sprocket is fixed to the first pulling shaft, the first sprocket and the second sprocket are connected by a chain transmission, the first gear is fixed to the first pulling shaft, and the first pulling shaft is rotatably connected to the chassis frame.

[0016] Optionally, in the above-mentioned deviation correction device, a second pulling shaft is provided at the first end of the lead screw, the second pulling shaft is fixedly connected to the lead screw, the second gear is fixedly connected to the second pulling shaft, and the second pulling shaft is rotatably connected to the chassis frame.

[0017] Optionally, in the above-mentioned deviation correction device, a first bearing is arranged between the first pulling shaft and the chassis frame, and a second bearing is arranged between the second pulling shaft and the chassis frame.

[0018] Optionally, in the above-mentioned deviation correction device, the driving component includes:

[0019] A second driving motor, wherein a third gear is disposed at an output end of the second driving motor;

[0020] The rack is arranged on the upper film station, and the third gear is meshed with the rack.

[0021] Optionally, in the above-mentioned deviation correction device, the driving assembly includes a cylinder, and the piston rod of the cylinder is fixedly connected to the upper film station.

[0022] Optionally, the above-mentioned deviation correction device further includes a sensor bracket, and the sensor components are all arranged on the sensor bracket.

[0023] Optionally, in the above-mentioned correction device, the sensor component is a photoelectric sensor or an ultrasonic sensor.

[0024] The deviation correction device disclosed by the utility model has a simple structure and is easy to operate. The deviation correction of the roll film is achieved by moving the film loading station. The deviation correction is accurate and timely, and the film cutting accuracy of the strip packaging machine can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 The structure of the drive assembly disclosed in the embodiment of the utility model is shown in FIG. Figure 1 ;

[0027] Figure 2 The structure of the drive assembly disclosed in the embodiment of the utility model is shown in FIG. Figure 2 .

[0028] Among them, 100 is a driving assembly, 101 is a first driving motor, 102 is a lead screw, 103 is a nut, 104 is a first gear, 105 is a second gear, 106 is a first pulling shaft, 107 is a second pulling shaft, 108 is a sprocket, 109 is a first bearing seat, and 110 is a second bearing seat. DETAILED DESCRIPTION

[0029] The core of the utility model is to provide a deviation correction device to improve the film cutting accuracy of a strip packaging machine.

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] The utility model discloses a deviation correction device, which is used for correcting the deviation of a film-loading station of a strip wrapping machine and comprises a sensor component, a control component and a drive component.

[0032] It should be noted that the strip wrapping machine is arranged in the chassis frame, and includes a film-applying station, a film roll, and a roller. The film-applying station is slidably arranged on the platform of the chassis frame, the film roll is arranged on the roller, and the roller is arranged on the film-applying station. The driving component 100 is transmission-connected with the film-applying station, and drives the film-applying station to move along the platform toward the first end or the second end, so that the offset film roll returns to the right position. The specific type of the driving component 100 is not limited, as long as it can drive the film-applying station to move back and forth.

[0033] The sensor assembly includes a first sensor and a second sensor, the first sensor is arranged at the first end of the roll film, and the second sensor is arranged at the second end of the roll film, for detecting whether the offset of the two ends of the roll film is within a preset range. It should be noted that the first end and the second end here refer to the two ends parallel to the axial direction of the roller, and the sensor here can be a position sensor. The sensor assembly transmits the detected signal to the control assembly, and the control assembly controls the drive assembly 100 to perform an adjustment action according to the received signal, that is, drives the upper film station to move so that the offset roll film returns to the normal state. It should be noted that the sensor assembly can be a photoelectric sensor or an ultrasonic sensor. In a specific embodiment of the utility model, it also includes a sensor bracket, and the first sensor and the second sensor are respectively arranged on the corresponding sensor bracket.

[0034] For example, when the first sensor detects that the offset of the roll film toward the first end exceeds the preset offset, a signal is sent out. After receiving the signal, the control component controls the drive component 100 to move so that the film loading station moves toward the second end, thereby returning the roll film to the normal position.

[0035] The deviation correction device disclosed in the embodiment of the utility model has a simple structure and is easy to operate. The signal detected by the sensor component is transmitted to the control component, and the control component controls the drive component to drive the movement of the film loading station to realize the deviation correction of the roll film. The deviation correction is accurate and timely, and the film cutting accuracy of the strip packaging machine can be improved. At the same time, the deviation correction device disclosed in the embodiment of the utility model is directly connected to the strip packaging machine, which can save space.

[0036] like Figure 1 As shown, in a specific embodiment of the utility model, the drive assembly 100 includes a first drive motor 101, a lead screw 102 and a nut 103. The fixed end of the first drive motor 101 is arranged in the chassis frame. Specifically, the first drive motor 101 is installed in the chassis frame through a motor mounting seat, and the motor mounting seat is installed on the platform. The output end of the first drive motor 101 is transmission-connected with the first end of the lead screw 102, the nut 103 is threadedly connected with the lead screw 102, and the nut 103 is fixedly connected with the film-applying station. The first drive motor 101 rotates, thereby driving the lead screw 102 to rotate, and the nut 103 drives the film-applying station to move, and the rotational motion of the lead screw 102 is converted into the linear motion of the film-applying station. By changing the direction of the first drive motor 101, the direction of the lead screw 102 can be changed, and then the offset direction of the film-applying station can be changed.

[0037] In order to prevent the film-applying station from deflecting when it moves, the deviation correction device disclosed in the embodiment of the utility model further includes a guide groove, which is arranged on the platform, the film-applying station slides with the top of the guide groove, the lead screw 102 is rotatably connected with the guide groove, both sides of the guide groove are provided with slide grooves, and a fixed block is arranged on the nut 103, both sides of the fixed block slide with the slide groove, and the top of the fixed block is fixedly connected with the film-applying station. The lead screw 102 rotates, thereby driving the film-applying station to move back and forth along the slide groove. The setting of the guide groove can prevent the film-applying station from conveying deviation when it moves, and can improve the accuracy of feeding the film-applying station.

[0038] In a specific embodiment of the utility model, the output end of the first drive motor 101 is transmission-connected with the first gear 104, the first end of the lead screw 102 is provided with the second gear 105, and the first gear 104 is meshed with the second gear 105. The first drive motor 101 rotates, driving the first gear 104 to rotate, thereby driving the second gear 105 to rotate, and then driving the lead screw 102 to rotate. It should be noted that the first gear 104 and the first drive motor 101 can be connected by a coupling, or by a sprocket 108, or by a direct connection, which is not specifically limited here. The lead screw 102 and the second gear 105 can be connected by a key, or by other fixing methods. The gear connection method has a simple structure and is easy to implement.

[0039] In a specific embodiment of the utility model, the driving component 100 includes a first pulling shaft 106, and the first driving motor 101 is connected to the first gear 104 through a sprocket 108. Specifically, the sprocket 108 includes a first sprocket and a second sprocket. The first sprocket is fixed to the output shaft of the first driving motor 101, and the second sprocket is fixed to the first pulling shaft 106. The first sprocket and the second sprocket are connected by a chain transmission. The first gear 104 is fixed to the first pulling shaft 106. The first gear 104 and the first pulling shaft 106 can be connected by a key connection. The first pulling shaft 106 is rotatably connected to the chassis frame.

[0040] On the basis of the above embodiment, the first end of the lead screw 102 is provided with a second pulling shaft 107, the second pulling shaft 107 is fixedly connected to the lead screw 102, and the second gear 105 is fixedly connected to the second pulling shaft 107. The first gear 104 drives the second gear 105 to rotate, thereby driving the second pulling shaft 107 to rotate, and then driving the lead screw 102 to rotate. Specifically, the first end of the lead screw 102 is provided with a connecting portion connected to the second pulling shaft 107, the second pulling shaft 107 adopts a stepped shaft, and the diameter of the second pulling shaft 107 gradually decreases from the first end close to the lead screw 102 to the direction away from the first end of the lead screw 102. The second pulling shaft 107 is rotatably connected to the chassis frame.

[0041] like Figure 1-Figure 2 As shown, in a specific embodiment of the utility model, the first gear 104 and the second gear 105 are arranged outside the chassis frame, and the other devices and components are arranged inside the chassis frame. In order to reduce the friction between the first pulling shaft 106 and the chassis frame and the friction between the second pulling shaft 107 and the chassis frame, a first bearing is arranged between the first pulling shaft 106 and the chassis frame, and a second bearing is arranged between the second pulling shaft 107 and the chassis frame. Specifically, the first bearing is arranged on the first bearing seat 109, and the first bearing seat 109 is fixedly connected to the chassis frame, and the second bearing is arranged on the second bearing seat 110, and the second bearing seat 110 is fixedly connected to the chassis frame.

[0042] In a specific embodiment of the utility model, the driving assembly 100 includes a second driving motor and a rack. Specifically, a third gear is provided at the output end of the second driving motor, and the rack is provided on the film-applying station, and the third gear is meshed with the rack. The second driving motor rotates, driving the gear to rotate, and the gear drives the rack to move linearly, thereby driving the film-applying station to move. By changing the direction of the second driving motor, the moving direction of the film-applying station can be changed.

[0043] In another specific embodiment of the utility model, the driving component 100 includes a cylinder, a piston rod of the cylinder is fixedly connected to the upper film station, the sensor component detects the offset signal of the roll film and transmits it to the control component, the control component controls the cylinder to drive the piston rod to extend and retract, thereby driving the upper film station to offset, so that the offset roll film returns to the normal state.

[0044] It should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0045] As shown in this application and claims, unless the context clearly indicates an exception, the words "a", "an", "a kind" and / or "the" do not refer to the singular, but also include the plural. Generally speaking, the terms "include" and "comprise" only indicate the inclusion of clearly identified steps and elements, and these steps and elements do not constitute an exclusive list. The method or device may also include other steps or elements. The elements defined by the sentence "includes a..." do not exclude the existence of other identical elements in the process, method, commodity or device that includes the elements.

[0046] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0047] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A deviation correction device, used for correcting the deviation of the film-loading station of a strip wrapping machine, characterized in that: The strip wrapping machine is arranged in a chassis frame, and comprises the film-applying station, the film-rolling station and the roller, wherein the film-applying station is slidably arranged on a platform of the chassis frame, the film-rolling station is arranged on the roller, and the roller is arranged on the film-applying station, and the deviation-correcting device comprises: A sensor assembly, the sensor assembly comprising a first sensor and a second sensor respectively disposed at two ends of the roll film; a control component, the control component being electrically connected to the sensor component to receive a signal detected by the sensor component; The drive component (100) is connected to the film-applying station in transmission mode to drive the film-applying station to move toward the first end or the second end. The control component is electrically connected to the drive component (100) to control the drive component (100) to perform an adjustment action according to a signal detected by the sensor component.

2. The deviation correction device according to claim 1, characterized in that: The driving assembly (100) comprises: A first drive motor (101), wherein a fixed end of the first drive motor (101) is arranged in the chassis frame; A lead screw (102), wherein an output end of the first drive motor (101) is drivingly connected to a first end of the lead screw (102); A nut (103), wherein the nut (103) is threadedly connected to the lead screw (102), and the nut (103) is fixedly connected to the film upper station.

3. The deviation correction device according to claim 2, characterized in that: The output end of the first driving motor (101) is drivingly connected to a first gear (104), the first end of the lead screw (102) is provided with a second gear (105), and the first gear (104) is meshed with the second gear (105).

4. The deviation correction device according to claim 3, characterized in that: The driving assembly (100) includes a first pulling shaft (106), the first driving motor (101) is connected to the first gear (104) via a sprocket (108), the sprocket (108) includes a first sprocket and a second sprocket, the first sprocket is fixed to the output shaft of the first driving motor (101), the second sprocket is fixed to the first pulling shaft (106), the first sprocket and the second sprocket are connected via a chain transmission, the first gear (104) is fixed to the first pulling shaft (106), and the first pulling shaft (106) is rotatably connected to the chassis frame.

5. The deviation correction device according to claim 4, characterized in that: A second pulling shaft (107) is provided at the first end of the lead screw (102), the second pulling shaft (107) is fixedly connected to the lead screw (102), the second gear (105) is fixedly connected to the second pulling shaft (107), and the second pulling shaft (107) is rotatably connected to the chassis frame.

6. The deviation correction device according to claim 5, characterized in that: A first bearing is provided between the first pulling shaft (106) and the chassis frame, and a second bearing is provided between the second pulling shaft (107) and the chassis frame.

7. The deviation correction device according to claim 1, characterized in that: The driving assembly (100) comprises: a second driving motor, wherein a third gear is disposed at an output end of the second driving motor; A rack is arranged on the upper film station, and the third gear is meshed with the rack.

8. The deviation correction device according to claim 1, characterized in that: The driving assembly (100) comprises a cylinder, and a piston rod of the cylinder is fixedly connected to the film upper station.

9. The deviation correction device according to claim 1, characterized in that: It also includes a sensor bracket, and the sensor components are all arranged on the sensor bracket.

10. The deviation correcting device according to any one of claims 1 to 9, characterized in that: The sensor component is a photoelectric sensor or an ultrasonic sensor.

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