Vacuum packaging material shaping machine
By designing a vacuum packaging material shaping machine, the combination of turntable indexing rotation and vacuum cavity components is used to achieve automatic and efficient shaping of vacuum packaging materials, solving the problem of stacking at the bottom of the packaging bag, and improving the aesthetics and convenience of the packaging.
Patent Information
- Application Number
- CN202510354885.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2025-06-06
AI Technical Summary
The prior art is difficult to effectively solve the problem of materials piled up at the bottom of the packaging bag after vacuum packaging, resulting in bulging under the packaging bag, affecting the aesthetics and subsequent packaging.
A vacuum packaging material shaping machine is designed, including bag feeding parts and plastic shaping parts. The plastic shaping parts rotate through the rotary dial and are provided in turn with upper bag stations, vacuum stations, vibration flattening stations, exhaust stations and bag outlet stations. Each station is equipped with horizontal vacuum cavity components, and the high-frequency vibration of the vibration flattening stations and the downward pressure of the flattening plates are used to realize the laying and shaping of the material.
Automatic and efficient shaping of vacuum packaging materials is achieved, avoiding the accumulation of the bottom of the packaging bag, improving the aesthetics of the packaging and the convenience of subsequent packaging.
Smart Images
Figure CN120096907A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to food packaging equipment, in particular to a vacuum packaging material shaping machine for shaping vacuum packaged materials. Background Art
[0002] After the bag-feeding packaging machine vacuum packs the materials, if the materials are loose small pieces, such as peanuts and corn kernels, the materials tend to accumulate at the bottom of the vacuum-packed packaging bag, which will cause bulging under the packaging bag, which is not only unsightly but also not conducive to subsequent box packaging. Although the market currently adopts some technical measures such as using horizontal bag-feeding packaging machines to vacuum pack materials, the effect is not ideal. Summary of the invention
[0003] In view of the deficiencies in the prior art, the object of the present invention is to provide a vacuum packaging material shaping machine which is specially used for shaping vacuum packaging materials and has a compact structure and high working efficiency.
[0004] The present invention is implemented by the following technical solutions: The vacuum packaging material shaping machine is characterized in that it includes a bag feeding component and a shaping component. The shaping component has a turntable. When working, the turntable rotates on the workbench in a graduated manner. The turntable is provided with a bag loading station, a vacuum pumping station, a vibration flattening station, a deflation station and a bag discharging station in sequence along the circumferential direction. A horizontal vacuum chamber assembly is installed at each station. Each vacuum chamber assembly has a chamber cover that can be opened upward. An intra-cavity conveyor belt is horizontally laid in the vacuum chamber of each vacuum chamber assembly. The intra-cavity conveyor belt is installed on a vibration bracket. A pressing plate is provided above the intra-cavity conveyor belt. The pressing plate is connected to a flattening cylinder. The flattening cylinder is fixedly installed on the chamber cover. At the bag loading station and the bag discharging station, a conveyor belt driving member is provided on the outer side of the intra-cavity conveyor belt corresponding to it. The output of the bag feeding component faces the vacuum chamber assembly of the bag loading station.
[0005] An even number of workstations are arranged along the circumferential direction of the turntable, and vacuum chamber components of adjacent workstations are arranged in staggered heights.
[0006] The turntable is divided into two layers, an upper layer and a lower layer, which are respectively used for installing vacuum chamber components that are staggered up and down.
[0007] The bag feeding component is composed of a front conveying assembly and a rear conveying assembly. The front conveying assembly includes a front bracket whose rear end can swing up and down, and a front conveyor belt is installed on the front bracket. The rear conveying assembly includes a rear bracket whose front end can swing up and down, and an upper conveyor belt and a lower conveyor belt are installed on the rear bracket. Material detection probes are provided above the upper conveyor belt and the lower conveyor belt, which respectively control the upper servo motor and the lower servo motor that drive the upper conveyor belt and the lower conveyor belt for transmission.
[0008] The swinging of the front and rear brackets is synchronously driven by a linkage assembly, which includes a front pull rod, a rear pull rod and a driving arm. The driving arm is connected to the output end of the first motor, the front end of the driving arm is connected to the front pull rod, the rear end of the driving arm is connected to the rear pull rod, the other end of the front pull rod is connected to the front bracket, and the other end of the rear pull rod is connected to the rear bracket.
[0009] There are eight workstations along the circumferential direction of the turntable, including a bag loading station, two vacuum pumping stations, three vibration leveling stations, a deflation station and a bag discharging station.
[0010] The vacuum chamber of the vacuum chamber assembly is formed by the chamber cover sealingly covering the surface of the turntable.
[0011] The vibration bracket is driven by a vibration cylinder to vibrate, and the vibration cylinder is installed on the turntable.
[0012] The conveyor belt driving component includes a fixed frame and a movable frame. The movable frame can be longitudinally movably arranged on the fixed frame and pushed by the forward push cylinder. A driving wheel is installed on the movable frame, and the driving wheel is driven by a second motor. When the movable frame approaches the turntable, the driving wheel frictionally drives the intra-cavity conveyor belt in the vacuum chamber of the bag loading station and the bag discharging station to perform the conveying action.
[0013] The cavity cover can be flipped and connected to the turntable and pushed by a push rod. The upper end of the push rod is connected to the cavity cover, and the lower end is connected to a swing arm. The swing arm can be swingably connected to the turntable. A roller is installed in the middle of the swing arm. The roller rolls on the working surface of the end face cam. The end face cam is fixedly installed on a workbench below the turntable.
[0014] The vacuum packaging material shaping machine adopting the above technical solution sends the material vacuum-packed by the bag-feeding packaging machine to the cavity conveyor belt horizontally laid in the vacuum chamber assembly of the bag-feeding station, and the packaging bag lies horizontally. Then, as the turntable rotates indexingly, the cavity cover is closed. At the vacuum pumping station, the vacuum chamber is evacuated to balance the pressure inside and outside the bag of the vacuum-packed material, so that the material in the bag recovers to a free state. Next, at the vibration flattening station, the cavity conveyor belt vibrates at a high frequency, and at the same time, the pressing plate is pressed against the top of the material under the constant pressure of the flattening cylinder. Since the packaging bag is in a horizontal state at this time, under the action of high-frequency vibration, the material originally accumulated at the bottom of the packaging bag begins to move toward the bag opening, and under the continuous downward pressure of the pressing plate, the material in the bag is finally flattened into a flat shape of basically equal thickness in the packaging bag. Then, at the deflation station, the vacuum chamber is deflated to restore normal pressure, and the material packaging also recovers vacuum packaging. Finally, at the bag discharge station, the vacuum-packed material that has been flattened and shaped is sent out of the vacuum chamber, thereby realizing automatic and efficient shaping production of vacuum-packed materials. In addition, the vacuum chamber components of adjacent workstations are staggered in height, making the structure of the entire equipment more compact. At the same time, the bag feeding components that swing in conjunction with the front conveyor belt, upper conveyor belt and lower conveyor belt are set to ensure reliable bag feeding of the vacuum chamber components staggered in height, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The present invention has the following accompanying drawings: Figure 1 It is a structural schematic diagram of the present invention, Figure 2 It is a structural diagram of the bag feeding component. Figure 3 It is a schematic diagram of the structure of the conveyor belt drive. Figure 4 It is a structural diagram of the shaping component. Figure 5 It is a schematic diagram of the structure of the vacuum chamber assembly. Figure 6 Schematic diagram of the structure inside the vacuum chamber assembly. DETAILED DESCRIPTION
[0016] like Figure 1-6As shown, the vacuum packaging material shaping machine of the present invention comprises a bag feeding component A and a shaping component C. The shaping component C has a turntable 2. When working, the turntable is driven by a main motor to rotate indexing on a workbench 1. The turntable 2 is provided with eight stations in sequence along the circumferential direction, including a bag loading station, two vacuum pumping stations (a pre-vacuum pumping station, a vacuum pump is put into operation, and the other full vacuum pumping station, two vacuum pumps are put into operation), three vibration leveling stations (leveling and vacuuming at the same time), a deflation station and a bag discharging station. A horizontal vacuum chamber assembly is installed at each station. The vacuum chamber assemblies of adjacent stations are staggered in height. The turntable is divided into upper and lower layers, which are respectively used for the installation of the staggered vacuum chamber assemblies. Each vacuum chamber assembly has a chamber cover 3 that can be opened upward. The chamber cover 3 can be flipped and connected to the turntable 2 to be pushed by a push rod 4. The upper end of the push rod 4 is connected to the chamber cover 3, and the lower end is connected to a swing arm 5. The swing arm 5 is swingably connected to the turntable 2. A roller 6 is installed in the middle of the swing arm 5. The roller 6 is rotatably arranged on the working surface of the end face cam 7. The end face cam 7 is fixedly installed on the workbench 1 below the turntable. The vacuum chamber of the vacuum chamber assembly is formed by sealing the chamber cover 3 on the surface of the turntable 2. An inner chamber conveyor belt 9 is horizontally laid in the vacuum chamber of each vacuum chamber assembly. The inner chamber conveyor belt 9 is installed on a vibration bracket 10. The vibration bracket 10 is driven by a vibration cylinder 11 to vibrate. The vibration cylinder 11 is installed on the turntable 2. A flat plate 12 is provided above the inner chamber conveyor belt 9. The flat plate 12 is connected to the flattening cylinder 8. The flattening cylinder 8 is fixedly installed on the chamber cover 3. At the bag loading station and the bag discharging station, a conveyor belt driving member B is provided on the outer side of the inner chamber conveyor belt 9 to correspond to it. The conveyor belt driving member B is provided with the same two The conveyor belt driving member B comprises a fixed frame 14 and a movable frame 16. The movable frame 16 is longitudinally movable and is arranged on the fixed frame 14 and is pushed by the forward push cylinder 15. A driving wheel 17 is installed on the movable frame 16. The driving wheel 17 is driven by a second motor 19 through a chain 18. The driving wheel 17 is provided with two upper and lower driving wheels, which respectively correspond to the vacuum chamber assembly installed on the upper turntable and the vacuum chamber assembly installed on the lower turntable; when the movable frame 16 approaches the turntable 2, the driving wheel 17 contacts the outer conveying roller 13 of the conveyor belt 9 in the cavity to rub and drive the conveyor belt 9 in the bag loading station and the bag discharging station to perform the conveying action.
[0017] The output of the bag feeding component A is facing the vacuum chamber component of the bag loading station. The bag feeding component A is composed of a front conveying component and a rear conveying component. The front conveying component includes a front bracket 21 whose rear end can swing up and down, and a front conveyor belt 20 is installed on the front bracket 21. The front conveyor belt 20 is controlled and driven by a front servo motor 22. The rear conveying component includes a rear bracket 27 whose front end can swing up and down, and an upper conveyor belt 24 and a lower conveyor belt 26 are installed on the rear bracket 27. A first material detection probe 23 is provided above the upper conveyor belt 24 to control and drive the upper servo motor for conveying. A second material detection probe 25 is provided above the lower conveyor belt 26 to control and drive the lower servo motor for conveying. The swinging of the front and rear brackets is synchronously driven by a linkage assembly, which includes a front pull rod 30, a rear pull rod 28 and a driving arm 29. The driving arm 29 is connected to the output end of the first motor 31, the front end of the driving arm 29 is connected to the front pull rod 30, the rear end of the driving arm 29 is connected to the rear pull rod 28, the other end of the front pull rod 30 is connected to the front bracket 21, and the other end of the rear pull rod 28 is connected to the rear bracket 27.
[0018] The vacuum packaging material shaping machine of the above technical solution works as follows: the vacuum packaging material produced by the bag packaging machine falls onto the front conveyor belt, the front conveyor belt sends the vacuum packaging material to the upper conveyor belt, the first material detection probe detects the material, controls the upper servo motor to stop working, and the material temporarily stays on the upper conveyor belt. At this time, when the output end of the upper conveyor belt is just aligned with the vacuum chamber assembly of the bagging station (located on the upper turntable, the chamber cover is in a fully open state), then, the conveyor belt driving member corresponding to the bagging station starts to move, the movable frame approaches the turntable, and the driving wheel rubs the outer conveying roller of the conveyor belt in the cavity by contacting it. The conveyor belt in the cavity is driven to perform the conveying action, and the servo motor is used to feed the material. The material on the upper conveyor belt is then sent to the conveyor belt in the cavity of the bagging station. The packaging bag lies horizontally, and then rotates with the indexing of the turntable, and the cavity cover is closed. At the pre-vacuum station, a vacuum pump is put into operation, and the vacuum in the vacuum cavity can reach 80% of the rated value. Then, at the full vacuum station, two vacuum pumps are put into operation, and the vacuum in the vacuum cavity reaches the rated value, so that the pressure inside and outside the bag of the vacuum-packed material is balanced, so that the material in the bag is restored to a free state. Next, at the vibration flattening station, the vacuum cavity is kept vacuum, and the vibration motor is used to During operation, the conveyor belt in the cavity vibrates at a high frequency, and at the same time, the pressing plate is pressed against the top of the material under the constant pressure of the pressing cylinder. Since the packaging bag is in a horizontal state at this time, the material originally accumulated at the bottom of the packaging bag begins to move toward the bag opening under the action of the high-frequency vibration, and under the continuous downward pressure of the pressing plate, the material in the bag is finally flattened into a flat shape of basically equal thickness in the packaging bag. Then, at the deflation station, the vacuum cavity is deflated to restore normal pressure, and the material packaging is also restored to vacuum packaging. Finally, at the bag discharge station, the cavity cover is opened again, and the conveyor belt drive corresponding to the bag discharge station starts to move, and the movable frame approaches the turntable. , the driving wheel drives the conveyor belt in the cavity to perform the conveying action by contacting the outer conveyor roller of the conveyor belt in the cavity, so that the vacuum-packed material on the conveyor belt in the cavity that has been flattened and shaped is sent out of the vacuum cavity; in the above process, the current conveyor belt sends the vacuum-packed material to the upper conveyor belt, and then the front bracket swings down and the rear bracket swings up, and the output of the front conveyor belt is quickly aligned with the input end of the lower conveyor belt, and the material sent by the front conveyor belt arrives at the lower conveyor belt for temporary storage, waiting for the output end of the lower conveyor belt to be aligned with the vacuum cavity assembly (located on the lower turntable) of the upper bag station; this cycle is used to realize the automatic and efficient shaping production of vacuum-packed materials.
Claims
1. Vacuum packaging material shaping machine, characterized by: It includes a bag feeding component and a shaping component. The shaping component has a turntable. When working, the turntable rotates in a graduated manner on the workbench. The turntable is provided with a bag loading station, a vacuum pumping station, a vibration flattening station, a deflation station and a bag discharging station in sequence along the circumferential direction. A horizontal vacuum chamber assembly is installed at each station. Each vacuum chamber assembly has a chamber cover that can be opened upward. An intra-cavity conveyor belt is horizontally laid in the vacuum chamber of each vacuum chamber assembly. The intra-cavity conveyor belt is installed on a vibration bracket. A pressing plate is provided above the intra-cavity conveyor belt. The pressing plate is connected to a flattening cylinder. The flattening cylinder is fixedly installed on the chamber cover. At the bag loading station and the bag discharging station, a conveyor belt driving member is provided on the outer side of the intra-cavity conveyor belt corresponding to it. The output of the bag feeding component faces the vacuum chamber assembly of the bag loading station.
2. The vacuum packaging material shaping machine according to claim 1, characterized in that: An even number of workstations are arranged along the circumferential direction of the turntable, and vacuum chamber components of adjacent workstations are arranged in staggered heights.
3. The vacuum packaging material shaping machine according to claim 2, characterized in that: The turntable is divided into two layers, an upper layer and a lower layer, which are respectively used for installing vacuum chamber components that are staggered up and down.
4. The vacuum packaging material shaping machine according to claim 2, characterized in that: The bag feeding component is composed of a front conveying assembly and a rear conveying assembly. The front conveying assembly includes a front bracket whose rear end can swing up and down, and a front conveyor belt is installed on the front bracket. The rear conveying assembly includes a rear bracket whose front end can swing up and down, and an upper conveyor belt and a lower conveyor belt are installed on the rear bracket. Material detection probes are provided above the upper conveyor belt and the lower conveyor belt, which respectively control the upper servo motor and the lower servo motor that drive the upper conveyor belt and the lower conveyor belt for transmission.
5. The vacuum packaging material shaping machine according to claim 4, characterized in that: The swinging of the front and rear brackets is synchronously driven by a linkage assembly, which includes a front pull rod, a rear pull rod and a driving arm. The driving arm is connected to the output end of the first motor, the front end of the driving arm is connected to the front pull rod, the rear end of the driving arm is connected to the rear pull rod, the other end of the front pull rod is connected to the front bracket, and the other end of the rear pull rod is connected to the rear bracket.
6. The vacuum packaging material shaping machine according to claim 1, 2, 3, 4 or 5, characterized in that: There are eight workstations along the circumferential direction of the turntable, including a bag loading station, two vacuum pumping stations, three vibration leveling stations, a deflation station and a bag discharging station.
7. The vacuum packaging material shaping machine according to claim 1, characterized in that: The vacuum chamber of the vacuum chamber assembly is formed by the chamber cover sealingly covering the surface of the turntable.
8. The vacuum packaging material shaping machine according to claim 1, characterized in that: The vibration bracket is driven by a vibration cylinder to vibrate, and the vibration cylinder is installed on the turntable.
9. The vacuum packaging material shaping machine according to claim 1, characterized in that: The conveyor belt driving component includes a fixed frame and a movable frame. The movable frame can be longitudinally movably arranged on the fixed frame and pushed by the forward push cylinder. A driving wheel is installed on the movable frame, and the driving wheel is driven by a second motor. When the movable frame approaches the turntable, the driving wheel frictionally drives the intra-cavity conveyor belt in the vacuum chamber of the bag loading station and the bag discharging station to perform the conveying action.
10. The vacuum packaging material shaping machine according to claim 1, characterized in that: The cavity cover can be flipped and connected to the turntable and pushed by a push rod. The upper end of the push rod is connected to the cavity cover, and the lower end is connected to a swing arm. The swing arm can be swingably connected to the turntable. A roller is installed in the middle of the swing arm. The roller rolls on the working surface of the end face cam. The end face cam is fixedly installed on a workbench below the turntable.