Detection equipment for opening of film bag

Abstract

A film bag opening detection device comprises a first air cylinder fixing base and a second air cylinder fixing base which are oppositely arranged and can move relatively, and a channel used for conveying a film bag is arranged between the first air cylinder fixing base and the second air cylinder fixing base. A clamping assembly and an adsorption device are arranged on the two opposite sides of the first air cylinder fixing base and the second air cylinder fixing base correspondingly, the clamping assembly comprises a first clamping part made of a conductive material and a second clamping part capable of moving relative to the first clamping part, and the second clamping part moves towards the first clamping part after the film bag enters the channel. The adsorption device is used for adsorbing the film bags in the channel; when the first clamping part and the second clamping part clamp the film bag, the first clamping part and the second clamping part do not form a circuit path; and when the first clamping part and the second clamping part do not clamp the film bag, the first clamping part and the second clamping part form a circuit access, so that an alarm device electrically connected to the first clamping part or the second clamping part is started.

Description

Technical Field

[0001] The utility model relates to the technical field of material film packaging, in particular to a device for detecting the opening of a film bag. Background Art

[0002] At present, many products are covered with a layer of packaging film. When packaging, the feed film is prepared into a film bag with an opening, and then the product is placed in the film bag, and after heat cutting and heat sealing, the packaging film is covered on the product. In this process, the film bag prepared by the feed film is in a closed state. When putting the product in, the opening of the film bag needs to be opened.

[0003] The current film bag production line detects whether the opening of the film bag is open. One method is to use manual offline sampling, which is difficult to detect and requires high labor intensity for workers; the other method is to use a chamber packaging machine to detect the opening, but the detection of this device is unstable and the effect is poor. Utility Model Content

[0004] In view of the shortcomings of the background technology, the purpose of the utility model is to provide a film bag opening detection device.

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

[0006] A film bag opening detection device comprises a first cylinder fixing seat and a second cylinder fixing seat which are arranged relatively and can move relatively, a channel for conveying the film bag is provided between the first cylinder fixing seat and the second cylinder fixing seat, a clamping assembly and an adsorption device for adsorbing the film bag in the channel are provided on opposite sides of the first cylinder fixing seat and the second cylinder fixing seat, the clamping assembly comprises a first clamping part and a second clamping part which is movable relative to the first clamping part, the first clamping part and the second clamping part are made of conductive material, and the second clamping part moves toward the first clamping part after the adsorption device adsorbs the film bag;

[0007] When the film bag is clamped between the first clamping part and the second clamping part, no circuit is formed between the second clamping part and the first clamping part; when the film bag is not clamped between the first clamping part and the second clamping part, the second clamping part abuts against the first clamping part to form a circuit, thereby activating the alarm device electrically connected to the first clamping part or the second clamping part.

[0008] Furthermore, the adsorption device is arranged on both sides of the clamping assembly, so that the membrane bag in the channel is adsorbed on the first clamping part.

[0009] Furthermore, a first driving device is provided on the first cylinder fixing seat or the second cylinder fixing seat, and the first driving device is transmission-connected to the second clamping portion and is used for driving the second clamping portion to move toward the first clamping portion.

[0010] Furthermore, the first clamping portion is partially sleeved with an insulating member, so that the first clamping portion is isolated from the first cylinder fixing seat and the second cylinder fixing seat.

[0011] Furthermore, a triangular plug wire extends outward from the first clamping portion, and the triangular plug wire is passed through the insulating member.

[0012] Furthermore, one of the first cylinder fixing seat and the second cylinder fixing seat is provided with a guide rod, and the other is provided with a linear bearing, the linear bearing is provided with a guide hole with an opening facing the first cylinder fixing seat, the guide rod is passed through the guide hole and is transmission-connected to a second driving device, and the second driving device drives the guide rod to make the first cylinder fixing seat and the second cylinder fixing seat move away from or closer to each other.

[0013] Furthermore, it also includes a base, one end of which is provided with a roller device, the roller device includes a first roller and a second roller arranged opposite to each other, a gap is provided between the first roller and the second roller, the film bag is passed through the gap and is transported to the channel under the rotation of the first roller and the second roller.

[0014] Furthermore, the first cylinder fixing seat and the second cylinder fixing seat are arranged below the output end of the roller device, and the film bag of the roller device faces the passage between the first cylinder fixing seat and the second cylinder fixing seat.

[0015] Furthermore, the length direction of the roller device is perpendicular to the length direction of the film bag.

[0016] The beneficial effects of the utility model are:

[0017] 1. The utility model proposes a film bag opening detection device, which can clamp film bags of different specifications and shapes by setting a clamping component, has good versatility, reduces the cost of equipment replacement and debugging, and cooperates with the alarm device to realize automatic clamping and automatic detection of the film bag.

[0018] 2. The utility model proposes a film bag opening detection device. Through the setting of the alarm device, the second clamping part will contact the first clamping part wrapped by the insulating part to form a short circuit, which is fed back to the alarm device to alarm when there is no film bag.

[0019] 3. The utility model proposes a film bag opening detection device, which, by setting a first cylinder fixing seat and a second cylinder fixing seat, first uses adsorption holes for preliminary fixation, then the clamping assembly reinforces the bag opening and simultaneously uses a guide rod to pull the open end of the film bag to achieve the bag opening effect, effectively improving the stability of the bag opening process and the loading process.

[0020] 4. The utility model proposes a film bag opening detection device. By setting a roller device, the roller device drives the film bag to move in a straight line. When the film bag moves to the position of the channel, the film bag can be clamped away by the subsequent clamping assembly, which has the advantage of good consistency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] 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.

[0022] Figure 1 It is a schematic diagram of a film bag opening detection device of the utility model;

[0023] Figure 2 It is a schematic diagram of a bag opening device of a film bag opening detection device of the utility model;

[0024] Figure 3 for Figure 2 A magnified view of point A.

[0025] In the figure, 10, first cylinder fixing seat; 20, second cylinder fixing seat; 40, guide rod; 50, base; 60, roller device; 70, film bag; 80, first driving device; 101, linear bearing; 1011, guide hole; 301, first clamping part; 302, second clamping part; 303, adsorption device; 304, insulating part; 305, triangular plug wire. DETAILED DESCRIPTION

[0026] Combine the following Figure 1-3 The utility model is described in detail.

[0027] A device for detecting the opening of a membrane bag 70, such as Figure 1 and Figure 2As shown, it includes a first cylinder fixing seat 10 and a second cylinder fixing seat 20 which are arranged relatively and can move relatively, a channel for conveying the film bag 70 is provided between the first cylinder fixing seat 10 and the second cylinder fixing seat 20, and a clamping assembly and an adsorption device 303 for adsorbing the film bag 70 in the channel are provided on opposite sides of the first cylinder fixing seat 10 and the second cylinder fixing seat 20, the clamping assembly includes a first clamping part 301 and a second clamping part 302 which is movable relative to the first clamping part 301, the first clamping part 301 and the second clamping part 302 are made of conductive materials, and the second clamping part 302 moves toward the first clamping part 301 after the adsorption device 303 adsorbs the film bag 70. Specifically, the second clamping part 302 moves toward the first clamping part 301 after the film bag 70 enters the channel and is adsorbed by the adsorption device 303, and stops when it moves to a position that effectively clamps the film bag 70;

[0028] When the film bag 70 is effectively clamped between the first clamping part 301 and the second clamping part 302, since the film bag 70 is made of insulating material, there is insulating material between the second clamping part 302 and the first clamping part 301 to block the circuit, so that the two do not form a loop; when the film bag 70 is not clamped between the first clamping part 301 and the second clamping part 302, since the first clamping part 301 and the second clamping part 302 are both made of conductive material, the second clamping part 302 abuts against the first clamping part 301, so that the two form a circuit path, thereby activating the alarm device electrically connected to the first clamping part 301 or the second clamping part 302.

[0029] Specifically, the second clamping part 302 moves between a first position and a second position, the first position being a position where the second clamping part 302 does not abut against the first clamping part 301, and the second position being a position where the second clamping part 302 abuts against the first clamping part 301 and can clamp the film bag 70. The second clamping part 302 is disconnected from the electrical connection with the alarm device when it is in the first position; the second clamping part 302 is electrically connected to the alarm device when it is in the second position and does not clamp the film bag 70, and the first driving device 80 is transmission-connected to the second clamping part 302 to drive the second clamping part 302 to move between the first position and the second position.

[0030] In this embodiment, if Figure 3As shown, the adsorption device 303 is arranged on both sides of the clamping assembly, so that the film bag 70 in the channel is adsorbed on the first clamping part 301. Specifically, the adsorption device 303 is an adsorption hole on both sides of the clamping assembly, and the adsorption hole arranged on the first cylinder fixing seat 10 and the adsorption hole arranged on the second cylinder fixing seat 20 respectively adsorb the two sides of the film bag 70 in the channel, so that one side of the film bag 70 is closely attached to the first cylinder fixing seat 10, and the other side of the film bag 70 is attached to the second cylinder fixing seat 20. Further, a first driving device 80 is arranged on the first cylinder fixing seat 10 or the second cylinder fixing seat 20, and the first driving device 80 is transmission-connected to the second clamping part 302 to drive the second clamping part 302 to move toward the first clamping part 301. The adsorption device 303 can be a vacuum adsorption device 303 such as a vacuum generator connected to an air pipe, which realizes the function of adsorbing the film bag 70 by generating a negative pressure vacuum.

[0031] In this embodiment, the first clamping portion 301 is partially sleeved with an insulating member 304, so that the first clamping portion 301 is isolated from the first cylinder fixing seat 10 or the second cylinder fixing seat 20. Furthermore, a triangular plug wire 305 extends outward from the first clamping portion 301, and the triangular plug wire 305 is inserted into the insulating member 304. The insulating member 304 is made of insulating materials such as rubber, and the first clamping portion 301 and the second clamping portion 302 are electrically connected to an alarm device through the triangular plug wire 305.

[0032] In this embodiment, one of the first cylinder fixing seat 10 and the second cylinder fixing seat 20 is provided with a guide rod 40, and the other is provided with a linear bearing 101. The linear bearing 101 is provided with a guide hole 1011 with an opening facing the first cylinder fixing seat 10. The guide rod 40 is passed through the guide hole 1011 and is transmission-connected to a second driving device. The second driving device drives the guide rod 40 to make the first cylinder fixing seat 10 and the second cylinder fixing seat 20 move away from or closer to each other.

[0033] Specifically, the second cylinder fixing seat 20 is connected to one end of the guide rod 40, and both ends of the first cylinder fixing seat 10 are provided with linear bearings 101 and guide holes 1011 penetrating the linear bearings 101, and the guide rods 40 are penetrated in the two guide holes 1011. The first driving device 80 and the second driving device are one of a pneumatic cylinder, an electric cylinder and a hydraulic cylinder.

[0034] In this embodiment, a base 50 is further included, and a roller device 60 is provided at one end of the base 50. The roller device 60 includes a first roller and a second roller arranged opposite to each other, and a gap is provided between the first roller and the second roller. The film bag 70 is passed through the gap and is transported to the channel under the rotation of the first roller and the second roller. Further, the first cylinder fixing seat 10 and the second cylinder fixing seat 20 are arranged below the output end of the roller device 60, and the film bag 70 of the roller device 60 faces the channel between the first cylinder fixing seat 10 and the second cylinder fixing seat 20. Further, the length direction of the roller device 60 is perpendicular to the length direction of the film bag 70.

[0035] Specifically, the first cylinder fixing seat 10 and the second cylinder fixing seat 20 are fixed below the base 50 by fasteners such as bolts. The film bag 70 passing through the roller device 60 is directed toward the passage between the first cylinder fixing seat 10 and the second cylinder fixing seat 20 located below the base 50. The adsorption holes of the first cylinder fixing seat 10 and the second cylinder fixing seat 20 are respectively adsorbed on the two side surfaces of the film bag 70; the second driving device drives the guide rod 40 to drive the first cylinder fixing seat 10 and the second cylinder fixing seat 20 to move away from each other to open the opening of the film bag 70; when the first cylinder fixing seat 10 and the second cylinder fixing seat 20 move away from each other, the opening end of the film bag 70 is stretched, so that the film bag 70 with the opening opened enters the subsequent process.

[0036] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable those skilled in the art to understand the content of the utility model and implement it, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A film bag opening detection device, characterized in that: It comprises a first cylinder fixing seat and a second cylinder fixing seat which are arranged opposite to each other and can move relatively, a channel for conveying film bags is provided between the first cylinder fixing seat and the second cylinder fixing seat, a clamping assembly and an adsorption device for adsorbing the film bags in the channel are provided on opposite sides of the first cylinder fixing seat and the second cylinder fixing seat, the clamping assembly comprises a first clamping part and a second clamping part which is movable relative to the first clamping part, the first clamping part and the second clamping part are made of conductive material, and the second clamping part moves toward the first clamping part after the adsorption device adsorbs the film bag; When the film bag is clamped between the first clamping part and the second clamping part, no circuit is formed between the second clamping part and the first clamping part; when the film bag is not clamped between the first clamping part and the second clamping part, the second clamping part abuts against the first clamping part to form a circuit, thereby activating the alarm device electrically connected to the first clamping part or the second clamping part.

2. A film bag opening detection device as claimed in claim 1, characterized in that: The adsorption device is arranged on both sides of the clamping assembly, so that the membrane bag in the channel is adsorbed on the first clamping part.

3. A film bag opening detection device as claimed in claim 2, characterized in that: A first driving device is disposed on the first cylinder fixing seat or the second cylinder fixing seat. The first driving device is transmission-connected to the second clamping portion and is used for driving the second clamping portion to move toward the first clamping portion.

4. A film bag opening detection device as claimed in claim 3, characterized in that: The first clamping portion is partially sleeved with an insulating member, so that the first clamping portion is isolated from the first cylinder fixing seat and the second cylinder fixing seat.

5. A film bag opening detection device as claimed in claim 4, characterized in that: A triangular plug wire is extended outwardly from the first clamping portion, and the triangular plug wire is passed through the insulating member.

6. A film bag opening detection device as claimed in claim 1, characterized in that: One of the first cylinder fixing seat and the second cylinder fixing seat is provided with a guide rod, and the other is provided with a linear bearing. The linear bearing is provided with a guide hole with an opening facing the first cylinder fixing seat. The guide rod is passed through the guide hole and is transmission-connected with a second driving device. The second driving device drives the guide rod to make the first cylinder fixing seat and the second cylinder fixing seat move away from or closer to each other.

7. A film bag opening detection device as claimed in claim 1, characterized in that: It also includes a base, one end of which is provided with a roller device, the roller device includes a first roller and a second roller arranged opposite to each other, a gap is provided between the first roller and the second roller, the film bag is passed through the gap and is transported to the channel under the rotation of the first roller and the second roller.

8. A film bag opening detection device as claimed in claim 7, characterized in that: The first cylinder fixing seat and the second cylinder fixing seat are arranged below the output end of the roller device, and the film bag of the roller device faces the passage between the first cylinder fixing seat and the second cylinder fixing seat.

9. A film bag opening detection device as claimed in claim 8, characterized in that: The length direction of the roller device is perpendicular to the length direction of the film bag.

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