A compression vacuum seal packaging machine

Abstract

The utility model relates to the technical field of sealing packaging machine, concretely is a kind of compressed vacuum sealing packaging machine, including packaging machine body, the top of packaging machine body has compression platform, the top of packaging machine body and located above compression platform still is equipped with compaction mechanism, the top of packaging machine body front side position still is equipped with sealing mechanism;Compaction mechanism includes top frame, at least two compression cylinders and pressing plate, the cylinder body of compression cylinder is fixedly installed on top frame, pressing plate is located inside top frame and parallel to compression platform, and the movable end of compression cylinder is connected with pressing plate;The utility model sets up inclination transducer on pressing plate, real-time monitoring pressing plate inclination, and the stroke of two compression cylinders is dynamically controlled by controller, to ensure that pressing plate is always in horizontal posture.

Description

Technical Field

[0001] This utility model relates to the field of sealing and packaging machine technology, specifically a compression vacuum sealing and packaging machine. Background Technology

[0002] Currently, vacuum sealing packaging machines are widely used in the garment packaging industry. They are mainly used to heat seal plastic bags to reduce air inside the bags and save storage space.

[0003] In the actual operation of existing vacuum sealing packaging machines, a pressure plate first presses down on the plastic bag to expel excess air from the bag. After a certain amount of air is expelled, two sealing strips work together to clamp the opening of the plastic bag. Then, the sealing strips are powered on and heated, using the heat to melt and seal the plastic at the opening of the bag, thus completing the sealing operation. However, existing vacuum sealing packaging machines have some shortcomings in practical use. For example, when the clothing inside the plastic bag is at the edge of the lower surface of the pressure plate, the supporting force of the object on the pressure plate is concentrated in the edge area, resulting in a large difference in pressure on different parts of the pressure plate, which can easily cause the pressure plate to tilt. This tilt not only affects the air expulsion effect, but also causes the cylinder driving the pressure plate to experience unbalanced force. Over time, this will accelerate the wear of the cylinder, posing a risk of cylinder damage and thus shortening the service life of the equipment. To address these issues, we propose a compression vacuum sealing packaging machine to effectively solve the above-mentioned problems. Utility Model Content

[0004] The purpose of this invention is to provide a compression vacuum sealing packaging machine to solve the problems mentioned in the background art.

[0005] This utility model is achieved through the following technical solution: a compression vacuum sealing packaging machine, including a packaging machine body, a compression platform on the top of the packaging machine body, a compaction mechanism on the top of the packaging machine body and above the compression platform, and a sealing mechanism on the front side of the top of the packaging machine body. The compaction mechanism includes a top frame, at least two compression cylinders and a pressure plate. The cylinder body of the compression cylinder is fixedly installed on the top frame. The pressure plate is located inside the top frame and parallel to the compression platform. The movable end of the compression cylinder is connected to the pressure plate. It also includes a sensor assembly and a programmable controller. The sensor assembly includes a tilt sensor mounted on a pressure plate. The signal input terminal of the tilt sensor is connected to the programmable controller, and the signal output terminal of the programmable controller is connected to the compression cylinder.

[0006] Optionally, the sealing mechanism includes an upper sealing strip and a lower sealing strip that are aligned vertically. The upper sealing strip is vertically movable on the outer side of the top frame, and the lower sealing strip is fixedly installed at the top front end of the packaging machine body.

[0007] Optionally, the sealing mechanism further includes a seal pressing cylinder, the cylinder body of which is fixedly installed on the top frame, and the movable end of the seal pressing cylinder is connected to the upper seal.

[0008] Optionally, the sensor assembly further includes a temperature sensor, which is built into the upper or lower seal, and the signal output terminal of the temperature sensor is connected to a programmable controller, the signal output terminal of which is connected to a seal pressing cylinder.

[0009] Optionally, the number of compression cylinders is two, and the two compression cylinders are symmetrically distributed front and back.

[0010] Optionally, the sensor assembly further includes a pressure sensor, which corresponds one-to-one with the compression cylinder. The movable end of the compression cylinder is connected to the pressure plate through a corresponding pressure sensor, and the signal output terminal of the pressure sensor is connected to a programmable controller.

[0011] Optionally, the sensor assembly further includes a through-beam photoelectric sensor, which includes a receiver and a transmitter, the receiver and transmitter being symmetrically distributed at the left and right ends of the rear side of the top frame.

[0012] Optionally, the packaging machine body has an internal air compressor, which is connected to a compression cylinder via an air pipeline, and the side wall of the packaging machine body also has an air inlet.

[0013] Optionally, a foot switch is also included, which extends to the outside of the packaging machine body and is connected to a programmable controller. When the foot switch is pressed, the compression cylinder and the sealing cylinder are activated in sequence.

[0014] Optionally, a programmable display screen is embedded in the side wall of the packaging machine body, and the programmable display screen is communicatively connected to the programmable controller.

[0015] Compared with the prior art, this utility model provides a compression vacuum sealing packaging machine, which has the following beneficial effects: 1. This utility model ensures that the pressure plate is always in a horizontal position by setting an angle sensor on the pressure plate to monitor the angle of the pressure plate in real time and dynamically controlling the stroke of the two compression cylinders through a controller. 2. This utility model sets a temperature sensor inside the seal to monitor the seal temperature in real time, ensuring that the seal always contacts the bag opening when it is within the optimal temperature range. This avoids the situation where the bag opening does not melt due to insufficient temperature, and also avoids the situation where the bag opening is damaged due to excessive temperature. 3. This utility model also includes a pressure sensor for real-time monitoring of the downward pressure of the pressure plate, thereby ensuring that the force exerted by the pressure plate each time it is pressed down is within the set range; 4. This utility model also includes a through-beam photoelectric sensor, which is used to detect whether the operator's arm is under the pressure plate, thereby preventing the pressure plate from pressing down due to accidental contact and threatening the operator's safety. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a front view of the structure of this utility model; Figure 3 This is a block diagram of the sensor component module of this utility model.

[0017] In the diagram: 100, Packaging machine body; 101, Compression platform; 102, Air inlet; 103, Programmable display screen; 104, Casters; 200, Compaction mechanism; 201, Top frame; 202, Compression cylinder; 203, Pressure plate; 300, Sealing mechanism; 301, Upper seal; 302, Lower seal; 303, Seal pressing cylinder; 400, Sensor assembly; 401, Tilt sensor; 402, Temperature sensor; 403, Pressure sensor; 404, Through-beam photoelectric sensor; 500, Programmable controller; 600, Foot switch. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] In existing technologies, traditional vacuum sealing packaging machines generally use a single cylinder to drive the lifting and lowering of the pressure plate. When the contents inside the bag are unevenly distributed, the edge area of ​​the pressure plate is prone to tilting due to excessive pressure. This tilting not only reduces air expulsion efficiency but also causes the cylinder to bear lateral loads. Long-term operation will accelerate the wear of the cylinder seals, thereby shortening the service life of the equipment.

[0020] Designers discovered that the tilting of the pressure plate stemmed from the uneven force transmission in the single-point drive system. By studying the mechanical characteristics of multi-support structures, they proposed a technical solution using multiple cylinders to collaboratively drive the lifting and lowering of the pressure plate. However, even with multiple cylinders working together, situations still arise where the clothing is not centered, resulting in some cylinders experiencing greater force while others experience less force, thus causing the pressure plate to tilt and leading to cylinder wear.

[0021] To address the above problems, this application proposes the following technical solution: Please see Figure 1 - Figure 3 A compression vacuum sealing packaging machine includes a packaging machine body 100, a compression platform 101 on the top of the packaging machine body 100, a compaction mechanism 200 on the top of the packaging machine body 100 and above the compression platform 101, and a sealing mechanism 300 on the front side of the top of the packaging machine body 100. The compaction mechanism 200 includes a top frame 201, at least two compression cylinders 202, and a pressure plate 203. The cylinder body of the compression cylinder 202 is fixedly installed on the top frame 201, and the pressure plate 203 is located inside the top frame 201 and parallel to the compression platform 101. The movable end of the compression cylinder 202 is connected to the pressure plate 203. Therefore, when packaging bags and clothing are placed above the compression platform 101, the pressure plate 203 can press down to compress the packaging bags and expel the internal air.

[0022] It should be noted that the top frame 201 is welded from several square steel pipes, and its bottom end is fixed to the top surface of the compression platform 101 by bolts. In addition, the bottom surface of the pressure plate 203 is a smooth plane, which can be made of aluminum alloy plate or engineering plastic plate, for uniform pressure transmission. Furthermore, there are two compression cylinders 202, and the two compression cylinders 202 are symmetrically distributed front and back.

[0023] This embodiment also includes a sensor assembly 400 and a programmable controller 500. The sensor assembly 400 includes a tilt sensor 401 mounted on the pressure plate 203. The signal input terminal of the tilt sensor 401 is connected to the programmable controller 500, and the signal output terminal of the programmable controller 500 is connected to the compression cylinder 202. The tilt sensor 401 can be a MEMS gyroscope or a capacitive angle sensor, used to monitor the attitude of the pressure plate 203 in real time. The programmable controller 500 is a PLC or an embedded microcontroller, used to analyze sensor data and output control commands.

[0024] Specifically, when the pressure plate 203 tilts during the downward pressing process, the tilt sensor 401 detects the angle deviation signal and transmits it to the controller. The controller calculates the stroke compensation amount for each cylinder according to a preset algorithm and adjusts the air intake of the corresponding cylinder to change its extension length. For example, when the front side of the pressure plate 203 is higher than the rear side, the controller can reduce the extension of the rear cylinder or increase the extension of the front cylinder to restore the pressure plate 203 to a horizontal state.

[0025] In this embodiment, the sealing mechanism 300 includes an upper sealing strip 301 and a lower sealing strip 302 aligned vertically. The upper sealing strip 301 is vertically movably disposed on the outer side of the top frame 201, and the lower sealing strip 302 is fixedly disposed on the top front end of the packaging machine body 100. The sealing mechanism 300 also includes a sealing strip pressing cylinder 303, the cylinder body of which is fixedly mounted on the top frame 201, and the movable end of the sealing strip pressing cylinder 303 is connected to the upper sealing strip 301. Both the upper sealing strip 301 and the lower sealing strip 302 have built-in heating components. When the two seals clamp the bag opening, the built-in heating components are energized and heat up, thereby melting and sealing the bag opening.

[0026] Furthermore, the sensor assembly 400 also includes a temperature sensor 402, which is built into the upper seal 301 or the lower seal 302. The signal output terminal of the temperature sensor 402 is connected to the programmable controller 500, and the signal output terminal of the programmable controller 500 is connected to the seal pressing cylinder 303. Specifically, the temperature sensor 402 can be a thermocouple or a thermistor, which is embedded inside the seal to directly contact the heating area and is used to acquire temperature data in real time during the sealing operation.

[0027] Temperature sensor 402 continuously monitors temperature changes in the heating zone inside the seal and transmits the temperature signal to programmable controller 500. When the temperature is below a preset threshold, programmable controller 500 delays the activation of seal pressing cylinder 303 until the temperature reaches the range required for plastic melting; when the temperature exceeds the safety upper limit, programmable controller 500 immediately cuts off the heating power and suspends the seal pressing action. Through closed-loop control of temperature data and cylinder action, the sealing operation is ensured to be performed only within the optimal temperature range, avoiding insufficient sealing strength or material overheating damage caused by temperature fluctuations.

[0028] In another embodiment of this application, the sensor assembly 400 further includes a pressure sensor 403, which corresponds one-to-one with the compression cylinder 202. The movable end of the compression cylinder 202 is connected to the pressure plate 203 through the corresponding pressure sensor 403, and the signal output terminal of the pressure sensor 403 is connected to the programmable controller 500. The pressure sensor 403 can be a strain gauge sensor or a piezoelectric sensor, used to detect the pressure value applied by the compression cylinder 202 to the pressure plate 203 in real time. The controller judges the difference between the actual pressure and the set pressure to adjust the pressure of the compression cylinder 202 in real time, thereby ensuring that the pressure of the pressure plate 203 on the plastic bag is within the set range each time.

[0029] In addition, the sensor assembly 400 also includes a through-beam photoelectric sensor 404, which includes a receiver and a transmitter, symmetrically distributed at the left and right ends of the rear side of the top frame 201. The through-beam photoelectric sensor 404 can specifically use infrared or laser light as its light source, and its function is to detect whether an object is blocking the light path. The symmetrical distribution of the receiver and transmitter means that they are located at the left and right ends of the rear side of the top frame 201, respectively, forming a horizontal beam path; when the user's arm is not removed from under the pressure plate 203, the pressure plate 203 will not press down, thus avoiding injury to the operator due to accidental contact.

[0030] In some embodiments of this application, the packaging machine body 100 has an internal air compressor connected to a compression cylinder 202 via an air pipeline. The packaging machine body 100 also has an air inlet 102 on its side wall. A programmable display screen 103 is embedded in the side wall of the packaging machine body 100, and the programmable display screen 103 is communicatively connected to a programmable controller 500. Universal wheels 104 are installed at each of the four corners of the bottom of the packaging machine body 100.

[0031] This embodiment also includes a foot switch 600, which extends to the outside of the packaging machine body 100 and is connected to the programmable controller 500. When the foot switch 600 is pressed, the compression cylinder 202 and the sealing strip pressing cylinder 303 are activated sequentially. Specifically, the foot switch 600 can be a metal spring return pedal structure, extending to the outside of the equipment for easy triggering by the operator's foot. Specifically, when the operator presses the foot switch 600, the programmable controller 500 first receives a trigger signal and starts the compression cylinder 202, causing the pressure plate 203 to move downward to compact and vent the packaging bag. When the pressure sensor 403 detects that the pressure plate 203 has reached a preset pressure value, the programmable controller 500 sends a start command to the sealing strip pressing cylinder 303, which drives the upper sealing strip 301 and the lower sealing strip 302 to close for heat sealing.

[0032] In addition, this application embodiment can also introduce IoT functionality. Specifically, it can realize remote interaction between the programmable controller 500 and the MAS system through a wireless transmission module (such as a 4G / 5G module). That is, after the programmable controller 500 collects data from each sensor, it sends the data to the MAS system through the wireless transmission module to realize remote real-time monitoring. At the same time, the operator can also issue control commands (such as starting and stopping the equipment, adjusting the sealing temperature, etc.) on the MAS system. The commands are transmitted to the controller through the wireless transmission module, and the controller executes the corresponding actions to realize remote control.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A compression vacuum sealing packaging machine, comprising a packaging machine body (100), wherein the top of the packaging machine body (100) has a compression platform (101), a compaction mechanism (200) is further provided on the top of the packaging machine body (100) and above the compression platform (101), and a sealing mechanism (300) is further provided on the front side of the top of the packaging machine body (100), characterized in that: The compaction mechanism (200) includes a top frame (201), at least two compression cylinders (202) and a pressure plate (203). The cylinder body of the compression cylinder (202) is fixedly installed on the top frame (201). The pressure plate (203) is located inside the top frame (201) and parallel to the compression platform (101). The movable end of the compression cylinder (202) is connected to the pressure plate (203). It also includes a sensor assembly (400) and a programmable controller (500). The sensor assembly (400) includes a tilt sensor (401) mounted on a pressure plate (203). The signal input terminal of the tilt sensor (401) is connected to the programmable controller (500), and the signal output terminal of the programmable controller (500) is connected to the compression cylinder (202).

2. The compression vacuum sealing packaging machine according to claim 1, characterized in that: The sealing mechanism (300) includes an upper sealing strip (301) and a lower sealing strip (302) that are aligned vertically. The upper sealing strip (301) is vertically movable on the outer side of the top frame (201), and the lower sealing strip (302) is fixedly installed at the top front end of the packaging machine body (100).

3. The compression vacuum sealing packaging machine according to claim 2, characterized in that: The sealing mechanism (300) also includes a seal pressing cylinder (303), the cylinder body of which is fixedly installed on the top frame (201), and the movable end of the seal pressing cylinder (303) is connected to the upper seal (301).

4. The compression vacuum sealing packaging machine according to claim 2, characterized in that: The sensor assembly (400) further includes a temperature sensor (402), which is built into the upper seal (301) or the lower seal (302), and the signal output terminal of the temperature sensor (402) is connected to the programmable controller (500), and the signal output terminal of the programmable controller (500) is connected to the seal pressing cylinder (303).

5. The compression vacuum sealing packaging machine according to claim 1, characterized in that: The number of the compression cylinders (202) is two, and the two compression cylinders (202) are symmetrically distributed front and back.

6. The compression vacuum sealing packaging machine according to any one of claims 1-5, characterized in that: The sensor assembly (400) further includes a pressure sensor (403), which corresponds one-to-one with the compression cylinder (202). The movable end of the compression cylinder (202) is connected to the pressure plate (203) through the corresponding pressure sensor (403), and the signal output end of the pressure sensor (403) is connected to the programmable controller (500).

7. The compression vacuum sealing packaging machine according to claim 6, characterized in that: The sensor assembly (400) also includes a through-beam photoelectric sensor (404), which includes a receiver and a transmitter, and the receiver and transmitter are symmetrically distributed on the left and right sides of the rear side of the top frame (201).

8. The compression vacuum sealing packaging machine according to claim 1, characterized in that: The packaging machine body (100) has an air compressor inside, which is connected to a compression cylinder (202) through an air pipeline. The packaging machine body (100) also has an air inlet (102) on its side wall.

9. The compression vacuum sealing packaging machine according to claim 3, characterized in that: It also includes a foot switch (600) that extends to the outside of the packaging machine body (100) and is connected to a programmable controller (500). When the foot switch (600) is pressed, the compression cylinder (202) and the sealing strip pressing cylinder (303) are activated in sequence.

10. The compression vacuum sealing packaging machine according to claim 1, characterized in that: A programmable display screen (103) is embedded in the side wall of the packaging machine body (100), and the programmable display screen (103) is communicatively connected to the programmable controller (500).

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