External vacuumizing machine

Abstract

An external vacuumizer comprises a rack, a sealing assembly, a display assembly and a vacuumizing assembly are arranged on the rack, a mounting cabinet used for driving the vacuumizing assembly to move is arranged on the rack in a sliding mode, the vacuumizing assembly comprises a vacuum pump arranged on the rack, the vacuum pump is communicated with an air nozzle, one end of the air nozzle is arranged in the mounting cabinet in a sliding mode, and the other end of the air nozzle is communicated with the display assembly. One end of the air tap extends out of the mounting cabinet, the other end of the air tap extends out of the mounting cabinet, the air tap comprises a connecting part and an air exhaust part, the air exhaust part is in a flat tube shape, the cross section of the end of the air exhaust part is in an arc shape, and notches located in the arc edge are formed in the end of the air exhaust part at intervals. The flat tubular air exhaust part can provide a larger surface area, so that the air circulation efficiency is improved, it is ensured that the vacuumizing process is rapidly and effectively achieved, the packaging period is shortened, the occupied space is saved, and the larger air inlet space is increased.

Description

Technical Field

[0001] The utility model relates to an external vacuum pump, belonging to the field of packaging machines. Background Art

[0002] An airtight packaging machine can automatically extract the air inside a packaging bag, complete the sealing process after reaching a predetermined vacuum degree. It can also refill with nitrogen or other mixed gases and then complete the sealing process. External vacuum pumps are often used in the food industry because after vacuum packaging, food can resist oxidation, thus achieving the purpose of long-term preservation.

[0003] In the existing external vacuum pump, its air nozzle occupies a large space, lacks flexibility during use, and is not conducive to improving processing efficiency and quality. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the shortcomings and deficiencies of the existing technology, and provide an external vacuum pump.

[0005] An external vacuum pump, comprising a frame, on which a sealing component, a display component and a vacuum pumping component are provided. An installation cabinet for driving the vacuum pumping component to move is slidably arranged on the frame. The vacuum pumping component includes a vacuum pump arranged on the frame. The vacuum pump is communicated with an air nozzle. One end of the air nozzle is slidably arranged in the installation cabinet, and the other end extends to the outside of the installation cabinet. The air nozzle includes a connecting part and an air extraction part. The air extraction part is arranged in a flat tubular shape, and the cross-section of the end of the air extraction part is in an arc shape. Notches located on the arc edge are arranged at intervals on the end of the air extraction part. The flat tubular air extraction part can provide a larger surface area, thereby improving the efficiency of air circulation, ensuring a quick and effective vacuum pumping process, shortening the packaging cycle, saving the occupied space, and increasing a larger air intake space. The arc-shaped design and notch setting at the end of the air extraction part make the air flow distribution more uniform, can optimize the air extraction performance, ensure that every corner inside the packaging bag can be effectively exhausted, and reduce air residue. The arc shape and notch of the air extraction part design can reduce the risk of blockage caused by foreign objects or liquid contact of the air extraction part, improve the reliability and stability of the equipment, and enable it to operate efficiently under continuous use.

[0006] Preferably, the connecting part includes a mounting plate and a connecting pipe. The connecting pipe is connected to the air extraction part by transitioning from a circular tubular shape to a flat shape. The transition design of the connecting pipe from a circular tubular shape to a flat shape can effectively reduce the turbulence of the air flow, optimize the air flow path, thereby improving the air extraction efficiency, reducing energy consumption, better adapting to the environment with limited space, making the external vacuum pump more compact in design, and facilitating configuration in various sites.

[0007] Preferably, a sliding shaft is vertically arranged in the installation cabinet. A sliding block is arranged on the sliding shaft. A fixed seat is arranged on the sliding block. A swinging block is rotatably connected to the fixed seat. A connecting channel is arranged on the swinging block. The upper end of the connecting channel is connected with a connector for docking with a vacuum pump, and the lower end is fixedly connected to the mounting plate of the connecting part, so that the connecting channel is communicated with the connecting part and the air extraction part. The design of the sliding shaft and the sliding block enables the connecting channel to be adjusted up and down as required, making the connection between the vacuum pump and the air extraction part more flexible and adapting to packaging requirements of different heights and sizes. The swinging block enables the air nozzle to be adjusted in angle without disassembling the equipment. The design of the connecting channel enables a direct connection between the vacuum pump and the connecting part, ensuring the smoothness of air flow, reducing air resistance, and improving the vacuum pumping efficiency.

[0008] Further, a solenoid valve for controlling whether the air nozzle is ventilated is arranged in the installation cabinet. The vacuum pump is arranged at the bottom of the frame. A protective cover is arranged outside the vacuum pump. A filter communicated with the vacuum pump is arranged outside the protective cover. The setting of the solenoid valve can realize the automatic control of the ventilation of the air nozzle, improving the convenience of operation. The user does not need to manually adjust, optimizing the use experience. The design of the protective cover can not only shield the vacuum pump but also ensure the safety of the operator during operation, reducing the harm caused by collision or misoperation. The setting of the filter can effectively intercept dust and other impurities, protecting the internal components of the vacuum pump, reducing failures and wear, and thus extending its service life.

[0009] Preferably, a driving cylinder is arranged on the frame. The driving cylinder is connected with a top plate. Both sides of the top plate are connected with lifting fixing plates slidably mounted on the frame. The lifting fixing plates extend to both sides of the installation cabinet and are connected thereto. By adjusting the lifting fixing plates, packaging bags of different heights can be quickly docked, reducing the labor intensity of manual handling and improving the loading and unloading efficiency. The lifting process controlled by the cylinder can effectively avoid errors that may be caused by manual adjustment, ensuring the accuracy of each operation.

[0010] Further, fixing holes and arc-shaped adjusting grooves are arranged on the lifting fixing plates. Adjusting blocks are fixed on the outer walls of the installation cabinet. A number of adjusting holes are evenly distributed on the adjusting blocks. The installation cabinet is connected to the lifting fixing plates through bolt connections between the adjusting holes and the fixing holes. The inclination angle of the installation cabinet is adjusted through the bolt connection between the adjusting groove and the adjusting hole by an adjusting handwheel. The design of the fixing holes and the adjusting grooves allows users to quickly and flexibly adjust at different heights and inclination angles, ensuring that the equipment adapts to various operation requirements. The combination of the arc-shaped adjusting groove and the adjusting handwheel enables users to easily and accurately adjust the inclination angle of the installation cabinet, enhancing the accuracy of operation. The inclination adjustment of the installation cabinet can enable the equipment to better adapt to different working environments, improve the comfort of operation, enable workers to work at the best angle, and reduce fatigue.

[0011] Preferably, the sealing component is arranged at the bottom of the installation cabinet. The sealing component includes a heating block and a sealing block fixed on the installation cabinet for sealing the packaging bag. Installation plates are arranged on both sides of the installation cabinet, and a control cylinder, a fixed block, and a sealing swing arm are fixedly arranged on the installation plates. One end of the sealing swing arm is connected to the control cylinder, and the other end is connected to the sealing block. The design of the sealing component ensures rapid and uniform heating and sealing of the packaging bag, improves the sealing efficiency, reduces the operation time, and meets the high-frequency production requirements. Through the design of the sealing swing arm, the packaging bag can be sealed under appropriate pressure to ensure good sealing performance.

[0012] Furthermore, a sealing strip is arranged on the heating block, a sealing strip corresponding to the sealing strip is arranged on the sealing block, and a heater for heating the sealing strip is fixed outside the heating block. The cooperation design of the sealing strip and the sealing strip ensures the sealing performance of the packaging bag, forms an effective sealing interface, improves the moisture-proof and sealing performance of the bag, ensures that the product is not easily affected by the external environment, and by adjusting the temperature of the heater, the heating effect can be optimized according to different materials of the packaging bag to meet the packaging requirements of various types of foods or other products.

[0013] Furthermore, a connecting piece is arranged in the middle of the sealing swing arm. The fixed block and the connecting piece are rotatably connected by a pin shaft so that the sealing swing arm swings and adjusts the angle under the drive of the control cylinder for the heating block and the sealing block to abut against each other to seal the packaging bag. The rotational connection between the connecting piece and the fixed block enables the sealing swing arm to swing freely according to needs, so as to adapt to packaging bags of different thicknesses or shapes and ensure the consistency of the sealing effect. The drive of the control cylinder can directly control the movement of the sealing swing arm, enabling the operator to achieve rapid sealing through simple instructions and improving the production efficiency.

[0014] Preferably, the display component includes a vacuum gauge and a display panel arranged on the installation cabinet for displaying the vacuum data. The vacuum gauge can display the pressure value of the vacuum extraction in real time, enabling the operator to immediately master the vacuum state inside the packaging bag and ensure that the packaging quality meets the standard. The display panel provides clear and accurate numerical and status indications, facilitating the operator to quickly understand and judge the operating conditions and reducing the risk of operating errors.

[0015] The beneficial effects of the present utility model are as follows: The flat tubular air extraction part can provide a larger surface area, thereby improving the efficiency of air circulation, ensuring a rapid and effective vacuuming process, shortening the packaging cycle, saving occupied space, and increasing the intake space. The arc-shaped design and notch setting at the end of the air extraction part make the air flow distribution more uniform, optimize the air extraction performance, ensure that every corner inside the packaging bag can be effectively exhausted, and reduce air residue. The arc-shaped and notched design of the air extraction part can reduce the risk of blockage caused by foreign objects or liquid contact, improve the reliability and stability of the equipment, and enable it to operate efficiently even under continuous use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, obtaining other drawings based on these drawings still belongs to the scope of the present utility model.

[0017] Figure 1 is the main structure diagram of the present utility model;

[0018] Figure 2 is the rear view of the present utility model;

[0019] Figure 3 is the structure diagram of the present utility model with the protective cover removed;

[0020] Figure 4 is the structure diagram with part of the outer shell of the installation cabinet removed;

[0021] Figure 5 is Figure 4 the structure diagram from another perspective;

[0022] Figure 6 is Figure 4 the bottom view of

[0023] Figure 7 is the structure diagram of the air nozzle;

[0024] In the figure, 1 is a frame; 2 is an installation cabinet; 21 is a sliding shaft; 22 is a sliding block; 23 is a fixed seat; 24 is a swing block; 241 is a connecting channel; 25 is a swivel joint; 26 is a solenoid valve; 27 is an adjusting block; 271 is an adjusting hole; 272 is an adjusting handwheel; 28 is a driving cylinder; 281 is a top plate; 29 is a lifting fixing plate; 291 is a fixing hole; 292 is an adjusting groove; 3 is a sealing component; 31 is a heating block; 311 is a sealing strip; 32 is a sealing block; 321 is a sealing strip; 33 is a mounting plate; 34 is a control cylinder; 35 is a fixing block; 36 is a sealing swing arm; 361 is a connecting piece; 37 is a heater; 4 is a display component; 41 is a vacuum gauge; 42 is a display panel; 5 is a vacuum pumping component; 51 is a vacuum pump; 511 is a protective cover; 512 is a filter; 6 is a nozzle; 61 is a connecting part; 611 is a mounting plate; 612 is a connecting pipe; 62 is an air extraction part; 621 is a notch. Detailed implementation mode

[0025] To make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0026] It should be noted that all the expressions using "first" and "second" in the embodiments of the present utility model are used to distinguish two entities or parameters with the same name but different, so "first" and "second" are only for the convenience of expression and should not be construed as a limitation on the embodiments of the present utility model. This will not be elaborated one by one in the subsequent embodiments.

[0027] The terms of direction and position mentioned in the present utility model, such as "up", "down", "front", "rear", "left", "right", "inside", "outside", "top", "bottom", "side", etc., are only with reference to the direction or position of the accompanying drawings. Therefore, the terms of direction and position used are for the purpose of explaining and understanding the present utility model, rather than a limitation on the protection scope of the present utility model.

[0028] Such as Figures 1-7As shown, this is an embodiment of an external vacuum pump of the present utility model, including a frame 1. A sealing component 3, a display component 4, and a vacuum pumping component 5 are provided on the frame 1. An installation cabinet 2 for driving the movement of the vacuum pumping component 5 is slidably provided on the frame 1. The vacuum pumping component 5 includes a vacuum pump 51 provided on the frame 1. The vacuum pump 51 is communicated with a nozzle 6. One end of the nozzle 6 is slidably provided in the installation cabinet 2, and the other end extends outside the installation cabinet 2. The nozzle 6 includes a connecting portion 61 and an air extraction portion 62. The air extraction portion 62 is arranged in a flat tubular shape. The cross-section of the end of the air extraction portion 62 is in an arc shape. Notches 621 located on the arc edge are provided at intervals on the end of the air extraction portion 62. The flat tubular air extraction portion 62 can provide a larger surface area, thereby improving the efficiency of air circulation, ensuring a fast and effective vacuum pumping process, shortening the packaging cycle, saving occupied space, and increasing a larger air intake space. The arc-shaped design and the notch 621 at the end of the air extraction portion 62 make the air flow distribution more uniform, can optimize the air extraction performance, ensure that every corner in the packaging bag can be effectively exhausted, and reduce air residue. The arc shape and the notch 621 of the air extraction portion 62 can reduce the risk of blockage of the air extraction portion 62 caused by contact with foreign objects or liquids, improve the reliability and stability of the equipment, and enable it to operate efficiently under continuous use.

[0029] The connecting portion 61 includes a mounting plate 61133 and a connecting pipe 612. The connecting pipe 612 is connected to the air extraction portion 62 by transitioning from a circular tubular shape to a flat shape. The transition design of the connecting pipe 612 from a circular tubular shape to a flat shape can effectively reduce the turbulence of the air flow, optimize the air flow path, thereby improving the air extraction efficiency, reducing energy consumption, better adapting to the environment with limited space, making the external vacuum pump more compact in design, and facilitating configuration in various sites.

[0030] A sliding shaft 21 is vertically arranged in the installation cabinet 2. A sliding block 22 is provided on the sliding shaft 21. A fixing seat 23 is provided on the sliding block 22. A swinging block 24 is rotatably connected to the fixing seat 23. A connecting channel 241 is provided on the swinging block 24. The upper end of the connecting channel 241 is connected to a connector 25 for docking with the vacuum pump 51, and the lower end is fixedly connected to the mounting plate 61133 of the connecting portion 61, so that the connecting channel 241 is communicated with the connecting portion 61 and the air extraction portion 62. The design of the sliding shaft 21 and the sliding block 22 enables the connecting channel 241 to be adjusted up and down as needed, making the connection between the vacuum pump 51 and the air extraction portion 62 more flexible and adapting to the packaging requirements of different heights and sizes. The swinging block 24 enables the nozzle 6 to be adjusted in angle without disassembling the equipment. The design of the connecting channel 241 enables a direct connection between the vacuum pump 51 and the connecting portion 61, ensuring the smoothness of the air flow, reducing the air resistance, and improving the vacuum pumping efficiency.

[0031] The installation cabinet 2 is provided with a solenoid valve 26 for controlling whether the air nozzle 6 is ventilated. The vacuum pump 51 is arranged at the bottom of the frame 1. A protective cover 511 is provided outside the vacuum pump 51, and a filter 512 communicating with the vacuum pump 51 is provided outside the protective cover 511. The setting of the solenoid valve 26 can realize the automatic control of the ventilation of the air nozzle 6, improve the convenience of operation, eliminate the need for users to manually adjust, optimize the use experience. The design of the protective cover 511 can not only shield the vacuum pump 51, but also ensure the safety of the operator during operation, reducing the harm caused by collision or misoperation. The setting of the filter 512 can effectively intercept dust and other impurities, protect the internal components of the vacuum pump 51, reduce failures and wear, and thus extend its service life.

[0032] A driving cylinder 28 is arranged on the frame 1. The driving cylinder 28 is connected with a top plate 281. Both sides of the top plate 281 are connected with lifting and fixing plates 29 slidably installed on the frame 1. The lifting and fixing plates 29 extend to both sides of the installation cabinet 2 and are connected thereto. By adjusting the lifting and fixing plates 29, packaging bags of different heights can be quickly docked, reducing the labor intensity of manual handling and improving the loading and unloading efficiency. The lifting process controlled by the cylinder can effectively avoid the errors that may be brought by manual adjustment and ensure the accuracy of each operation.

[0033] The lifting and fixing plate 29 is provided with fixing holes 291 and arc-shaped adjustment slots 292. Adjustment blocks 27 are fixed on the outer wall of the installation cabinet 2. A number of adjustment holes 271 are evenly distributed on the adjustment blocks 27. The installation cabinet 2 is connected with the lifting and fixing plate 29 through the bolt connection of the adjustment holes 271 and the fixing holes 291. The inclination angle of the installation cabinet 2 is adjusted through the bolt connection of the adjustment slot 292 and the adjustment holes 271 by an adjustment handwheel 272. The design of the fixing holes 291 and the adjustment slots 292 allows users to quickly and flexibly adjust at different heights and inclination angles, ensuring that the equipment meets a variety of operation requirements. The combination of the arc-shaped adjustment slot 292 and the adjustment handwheel 272 enables users to easily and accurately adjust the inclination angle of the installation cabinet 2, enhancing the accuracy of operation. The inclination adjustment of the installation cabinet 2 can enable the equipment to better adapt to different working environments, improve the operation comfort, allowing workers to work at the best angle and reducing fatigue.

[0034] The sealing assembly 3 is provided at the bottom of the installation cabinet 2. The sealing assembly 3 includes a heating block 31 and a sealing block 32 that are fixed to the installation cabinet 2 and used to seal the packaging bag. Installation plates 61133 are provided on both sides of the installation cabinet 2. A control cylinder 34, a fixed block 35, and a sealing swing arm 36 are fixedly provided on the installation plate 61133. One end of the sealing swing arm 36 is connected to the control cylinder 34, and the other end is connected to the sealing block 32. The design of the sealing assembly 3 ensures the rapid and uniform heating and sealing of the packaging bag, improves the sealing efficiency, reduces the operation time, and meets the high-frequency production requirements. Through the design of the sealing swing arm 36, the packaging bag can be sealed under appropriate pressure to ensure good sealing performance.

[0035] A sealing strip 311 is provided on the heating block 31, and a sealing strip 321 corresponding to the sealing strip 311 is provided on the sealing block 32. A heater 37 for heating the sealing strip 311 is fixed outside the heating block 31. The matching design of the sealing strip 311 and the sealing strip 321 ensures the sealing performance of the packaging bag, forms an effective sealing interface, improves the moisture-proof and sealing performance of the bag, and ensures that the product is not easily affected by the external environment. By adjusting the temperature of the heater 37, the heating effect can be optimized according to different materials of the packaging bag to meet the packaging requirements of various types of food or other products.

[0036] A connecting piece 361 is provided in the middle of the sealing swing arm 36. The fixed block 35 and the connecting piece 361 are rotatably connected by a pin shaft, so that the sealing swing arm 36 swings and adjusts the angle under the drive of the control cylinder 34 for the heating block 31 and the sealing block 32 to abut and seal the packaging bag. The rotatable connection between the connecting piece 361 and the fixed block 35 enables the sealing swing arm 36 to swing freely as needed, so as to adapt to packaging bags of different thicknesses or shapes and ensure the consistency of the sealing effect. The drive of the control cylinder 34 can directly control the movement of the sealing swing arm 36, enabling the operator to achieve rapid sealing through simple instructions and improving the production efficiency.

[0037] The display assembly 4 includes a vacuum gauge 41 and a display panel 42 that are provided on the installation cabinet 2 and used to display the vacuum data. The vacuum gauge 41 can display the pressure value of the vacuum extraction in real time, enabling the operator to immediately master the vacuum state inside the packaging bag and ensure that the packaging quality meets the standards. The display panel 42 provides clear and accurate numerical and status indications, facilitating the operator to quickly understand and judge the operating conditions and reducing the risk of operation errors.

[0038] The above-disclosed are only the preferred embodiments of the present invention. Of course, the scope of the rights of the present invention cannot be limited thereby. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

[0039] Although the present utility model has been described with reference to several specific embodiments, it should be understood that the present utility model is not limited to the specific embodiments disclosed. The present utility model aims to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. An external vacuum pump, characterized in that: It includes a frame, on which a sealing component, a display component and a vacuum pumping component are provided. A mounting cabinet for driving the vacuum pumping component to move is slidably arranged on the frame. The vacuum pumping component includes a vacuum pump arranged on the frame. The vacuum pump is communicated with a nozzle. One end of the nozzle is slidably arranged in the mounting cabinet, and the other end extends to the outside of the mounting cabinet. The nozzle includes a connecting part and an air extraction part. The air extraction part is arranged in a flat tubular shape, and the cross section of the end of the air extraction part is in an arc shape. Notches located on the arc edge are arranged at intervals on the end of the air extraction part.

2. The external vacuum pump according to claim 1, characterized in that: The connecting part includes a mounting plate and a connecting pipe. The connecting pipe is transitioned from a circular tubular shape to a flat shape and connected to the air extraction part.

3. The external vacuum pump according to claim 1, characterized in that: A sliding shaft is vertically arranged in the mounting cabinet. A sliding block is arranged on the sliding shaft. A fixed seat is arranged on the sliding block. A swing block is rotatably connected to the fixed seat. A connecting channel is arranged on the swing block. The upper end of the connecting channel is connected with a connector for docking with the vacuum pump, and the lower end is fixedly connected with the mounting plate of the connecting part, so that the connecting channel is communicated with the connecting part and the air extraction part.

4. The external vacuum pump according to claim 2, characterized in that: An electromagnetic valve for controlling whether the nozzle is ventilated is arranged in the mounting cabinet. The vacuum pump is arranged at the bottom of the frame. A protective cover is arranged outside the vacuum pump. A filter communicated with the vacuum pump is arranged outside the protective cover.

5. The external vacuum pump according to claim 1, wherein: A driving cylinder is arranged on the frame. The driving cylinder is connected with a top plate. Sliding lifting fixing plates are connected to both sides of the top plate and are slidably arranged on the frame. The lifting fixing plates extend to both sides of the mounting cabinet and are connected to it.

6. The external vacuum pump according to claim 5, wherein: Fixing holes and arc-shaped adjusting grooves are arranged on the lifting fixing plates. Adjusting blocks are fixed on the outer wall of the mounting cabinet. A plurality of adjusting holes are evenly distributed on the adjusting blocks. The mounting cabinet is connected to the lifting fixing plates through bolt connections of the adjusting holes and the fixing holes. The inclination angle of the mounting cabinet is adjusted through the bolt connection of the adjusting groove and the adjusting holes by an adjusting handwheel.

7. The external vacuum pump according to claim 1, wherein: The sealing component is arranged at the bottom of the mounting cabinet. The sealing component includes a heating block and a sealing block for sealing a packaging bag and fixed on the mounting cabinet. Mounting plates are arranged on both sides of the mounting cabinet. A control cylinder, a fixed block and a sealing swing arm are fixedly arranged on the mounting plates. One end of the sealing swing arm is connected with the control cylinder, and the other end is connected with the sealing block.

8. The external vacuum pump according to claim 7, characterized in that: A sealing strip is arranged on the heating block. A sealing strip corresponding to the sealing strip is arranged on the sealing block. A heater for heating the sealing strip is fixed outside the heating block.

9. The external vacuum pump according to claim 7, characterized in that: A connecting piece is arranged in the middle of the sealing swing arm. The fixed block and the connecting piece are rotatably connected through a pin shaft, so that the sealing swing arm swings and adjusts the angle under the drive of the control cylinder, and is used for the heating block and the sealing block to abut against each other to seal the packaging bag.

10. The external vacuum pump according to claim 1, characterized in that: The display component includes a vacuum gauge and a display panel arranged on the mounting cabinet for displaying vacuum pumping data.

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