Turn-down collar type packaging device based on raw material multi-stage screening and rapid weighing

Abstract

The utility model relates to the field of packaging, in particular to a turn-down collar type packaging device based on raw material multistage screening and rapid weighing, which comprises a longitudinal sealing mechanism, a transverse sealing and cutting mechanism, a vertical sealing mechanism, a vertical sealing mechanism, a horizontal sealing and cutting mechanism and a vertical sealing and cutting mechanism, the device comprises a hopper used for feeding, a screening mechanism used for screening large-particle materials is arranged in the hopper and comprises a large-particle screening net in the hopper, and a subpackaging mechanism used for guiding packaged materials is arranged below a transverse sealing and cutting mechanism. The packaged materials are guided to the weighing mechanism below the sub-packaging mechanism through the sub-packaging mechanism, and the qualified materials weighed by the weighing mechanism are guided to the designated position through the guiding mechanism. By means of the device, materials entering the device can be pre-screened, and the qualification rate of the materials and the uniformity of particles are improved.

Description

Technical Field

[0001] The utility model relates to the field of packaging, in particular to a turnover collar type packaging device based on multi-level screening and rapid weighing of raw materials. Background Technique

[0002] A turnover collar forming and bag-making packaging machine uses a turnover collar former to complete the forming of the packaging bag, then cooperates with a longitudinal sealing device to complete the longitudinal sealing of the packaging bag, and a transverse sealing and cutting mechanism sequentially completes the sealing of the bag bottom and the bag mouth. Between the two sealings, the material filling is completed through a pipeline communicated with the hopper in the turnover collar former. It is an integrated machine with functions of bag making and packaging. The finished products are weighed by a weighing mechanism, and the qualified finished products are sent to the next process, while the unqualified waste products are collected and processed. For example, a turnover collar forming and bag-making bag filling machine disclosed in a Chinese patent document with the publication number CN205738208U and the name of "A turnover collar forming and bag-making bag filling machine" includes a film reel, a printing device, a hopper, a turnover collar former, a longitudinal sealing heater and a transverse sealing and heating cutter. The film reel drives the film to pass through the printing device through a guide roller, the film is connected to the turnover collar former, the hopper is located above the turnover collar former, the hopper extends into the film, the longitudinal sealing heater is arranged at the lower part of the turnover collar former, the transverse sealing and heating cutter is arranged at the lower part of the hopper, the transverse sealing and heating cutter is composed of a transverse sealing clamp, a heating wire, a constant heating cutting wire, an upper clamp and a lower clamp. The transverse sealing clamp is arranged on both sides of the constant heating cutting wire, and a cooling small tube is arranged in the transverse sealing clamp, and the heating wire is wound around the transverse sealing clamp. It can automatically complete operations such as bag making, longitudinal sealing, filling, transverse sealing and cutting. However, the above-mentioned turnover collar forming and bag-making bag filling machine needs to send the finished products to the weighing station for weighing in sequence, and then complete the screening of the finished products, so it is difficult to improve the working efficiency.

[0003] Chinese Patent CN211593039U discloses a lapel forming machine that can quickly weigh and automatically collect waste products. In the document, materials are conveyed into the mixing hopper through a material conveying mechanism. The film forms the shape of a packaging bag in the lapel former and then undergoes longitudinal heat sealing through a longitudinal sealing device. Between the two sealings, the materials are filled into the packaging bag through a pipe communicating with the barrel inside the lapel former. The packaging bag completes transverse heat sealing and cutting in the transverse sealing and cutting mechanism, forming a packaging bag with an unsealed top. The mixing hopper fills these packaging bags through the pipe inside the lapel former. After filling, the packaging bag moves downward, and the transverse sealing and cutting mechanism completes the final transverse heat sealing and cutting. The finished products then fall onto the finished product distribution mechanism. The finished product distribution mechanism alternately pushes out the finished products, causing them to fall onto the tray electronic scale of the weighing and pushing bag mechanism for weighing. According to the weighing results, the swing plate driving device of the screening mechanism drives the chute to rotate. Qualified finished products fall into the finished product collection area from the front-end outlet of the chute, while unqualified waste products fall into the waste collection bin from the rear-end outlet. Throughout the process, the PLC module controls the coordinated operation of each mechanism to achieve automated bag making, weighing, screening, and waste collection.

[0004] Before the materials enter the device, the patent document does not perform pre-screening, which may result in materials with particles not meeting the specifications being added to the packaging process, causing packaging finished products that meet the quality requirements but have overly large particles to appear. Summary of the Utility Model

[0005] In view of the above problems, a lapel type packaging device based on multi-stage screening and rapid weighing of raw materials is provided, including a longitudinal sealing mechanism for longitudinally heat sealing the film on the surface of the materials, a transverse sealing and cutting mechanism for transversely heat sealing and shearing the materials after being sealed by the longitudinal sealing mechanism. It also includes a funnel for feeding, and a screening mechanism for screening large-particle materials is provided inside the funnel. The screening mechanism includes a large-particle screening mesh inside the funnel. Below the transverse sealing and cutting mechanism, there is a sub-packaging mechanism for guiding the materials after packaging. The materials after packaging are guided by the sub-packaging mechanism to a weighing mechanism located below the sub-packaging mechanism. The materials that pass the weighing by the weighing mechanism are guided to a designated location by a guiding mechanism.

[0006] Preferably, a cleaning device is provided on the screening mechanism. The cleaning device includes a cleaning ring that penetrates through the funnel and is slidably connected to the funnel. The cleaning ring moves inside the funnel through a pushing block connected to it. A limiting groove is provided on the pushing block, and a limiting rod is slidably connected inside the limiting groove. Through the limitation of the limiting rod, the position of the pushing block is limited to a designated position. A pushing rod is fixedly connected to the pushing block. The pushing rod is driven by a servo motor. By driving the pushing rod with the servo motor, the pushing block is driven to move. The pushing block drives the cleaning ring to move along its axis direction under the limitation of the limiting rod. While the cleaning ring is moving, it sweeps the materials on the large-particle screening mesh.

[0007] Preferably, a recycling device is fixedly connected to one side of the funnel. The recycling device includes a recycling tank provided on one side of the funnel. A recycling box body adapted thereto is provided in the recycling tank, and the recycling box body is used to accommodate large particulate materials swept out by the cleaning device.

[0008] Preferably, the sub-packaging mechanism includes a receiving tray for carrying the materials after packaging. The receiving tray is connected to the device through a rotating rod. The rotation of the rotating rod drives the connected receiving tray to rotate, and the rotation of the receiving tray guides the materials thereon to the weighing mechanism.

[0009] Preferably, the weighing mechanism is a weighing block provided below the sub-packaging mechanism and a load tray located above the weighing block.

[0010] Preferably, the guiding mechanism is a guiding slide rail provided on one side of the weighing mechanism for guiding the materials that pass the weighing to a designated position.

[0011] The beneficial effects of the present utility model compared with the prior art are as follows:

[0012] 1. By providing a large particulate screening net inside the funnel, the present utility model effectively screens out oversized particulate materials, avoiding these materials from entering the subsequent packaging process, thereby ensuring the uniformity and consistency of the packaging materials. This multi-stage screening mechanism significantly improves the packaging quality, reduces packaging problems caused by uneven material sizes, and also enhances the stability and reliability of the production line.

[0013] 2. The present utility model is equipped with a cleaning device. The cleaning device drives a cleaning ring to move inside the funnel through a servo motor, timely sweeping away the material residues on the screening net, and maintaining the screening efficiency and accuracy. This automatic cleaning function reduces manual intervention, lowers the maintenance cost, and improves the efficiency of the entire packaging process and the material passing rate by continuously keeping the screening net clean.

[0014] 3. The weighing mechanism of the present utility model is designed as a weighing block below the sub-packaging mechanism and a load tray above it, realizing the automation of material weighing. After the materials are guided to the weighing mechanism through the receiving tray, the weighing block quickly and accurately measures the weight of the materials, ensuring that the weight of the packaging materials meets the predetermined standards. In addition, the guiding mechanism guides the materials that pass the weighing to a designated position, realizing the automatic control of the material flow direction, further improving the production efficiency and reducing manual operation errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a perspective view of a turn-down collar type packaging device based on multi-stage screening and rapid weighing of raw materials.

[0016] Figure 2It is a front view of a turndown packaging device based on multi-stage screening and rapid weighing of raw materials.

[0017] Figure 3 It is a three-dimensional view of the packaging guiding device of the turndown packaging device based on multi-stage screening and rapid weighing of raw materials.

[0018] Figure 4 It is an exploded view of the packaging guiding device of the turndown packaging device based on multi-stage screening and rapid weighing of raw materials.

[0019] Figure 5 It is a three-dimensional view of the feeding device of the turndown packaging device based on multi-stage screening and rapid weighing of raw materials.

[0020] Figure 6 It is a three-dimensional view of the cleaning device of the turndown packaging device based on multi-stage screening and rapid weighing of raw materials.

[0021] Figure 7 It is an exploded view of the cleaning device of the turndown packaging device based on multi-stage screening and rapid weighing of raw materials.

[0022] The reference numerals in the figure are: 1, longitudinal sealing mechanism; 2, transverse sealing and cutting mechanism; 3, screening mechanism; 31, large particle screening mesh; 4, sub-packaging mechanism; 41, rotating rod; 42, receiving tray; 5, weighing mechanism; 51, load tray; 6, guiding mechanism; 61, guiding slide rail; 7, cleaning device; 71, cleaning ring; 72, pushing block; 73, limiting groove; 74, limiting rod; 75, pushing rod; 76, servo motor; 8, recycling device; 81, recycling trough; 82, recycling box body. Specific embodiments

[0023] To further understand the features, technical means, specific purposes, and functions achieved by the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] Refer to Figures 1-7 : A turndown packaging device based on multi-stage screening and rapid weighing of raw materials, including a longitudinal sealing mechanism 1 for longitudinally heat-sealing the surface film of the material, a transverse sealing and cutting mechanism 2 for transversely heat-sealing and shearing the material after being sealed by the longitudinal sealing mechanism 1, and further including a funnel for feeding, a screening mechanism 3 for screening large particle materials is provided in the funnel, the screening mechanism 3 includes a large particle screening mesh 31 in the funnel, a sub-packaging mechanism 4 for guiding the material after packaging is provided below the transverse sealing and cutting mechanism 2, the material after packaging is guided by the sub-packaging mechanism 4 to a weighing mechanism 5 provided below the sub-packaging mechanism 4, and the material qualified after being weighed by the weighing mechanism 5 is guided to a designated place by a guiding mechanism 6.

[0025] In the prior art, no distinction is made during feeding, and materials with too large particles may enter the packaging process, resulting in a large difference in the size of the packaged materials. In response to this, in the present utility model, the device first performs longitudinal heat sealing on the surface film of the material through the longitudinal sealing mechanism 1. Then, after the material is sealed by the longitudinal sealing mechanism 1, the transverse sealing and shearing are completed by the transverse sealing and cutting mechanism 2. The device includes a funnel for feeding, and a screening mechanism 3 is provided inside the funnel. The screening mechanism 3 is composed of a large-particle screening mesh 31 and is used to screen large-particle materials. After the material is screened, it is guided by the sub-packaging mechanism 4 below the transverse sealing and cutting mechanism 2 to complete packaging. The packaged material is guided by the sub-packaging mechanism 4 to the weighing mechanism 5 below for weighing, and the materials with qualified weight are then guided by the guiding mechanism 6 to the designated position. During the whole process, the screening, packaging, weighing, and guiding of the material are automatically completed by the corresponding components of the device, ensuring the continuity and efficiency of the packaging process.

[0026] Refer to Figures 5-7 : A cleaning device 7 is provided on the screening mechanism 3. The cleaning device 7 includes a cleaning ring 71 that penetrates the funnel and is slidably connected to the funnel. The cleaning ring 71 moves in the funnel through a pushing block 72 connected thereto. A limiting groove 73 is formed in the pushing block 72, and a limiting rod 74 is slidably connected in the limiting groove 73. Through the limitation of the limiting rod 74, the position of the pushing block 72 is limited to a designated position. A pushing rod 75 is fixedly connected to the pushing block 72. The pushing rod 75 is driven by a servo motor 76. By driving the pushing rod 75 with the servo motor 76, the pushing block 72 is driven to move. Under the limitation of the limiting rod 74, the pushing block 72 drives the cleaning ring 71 to move along its axis direction. While the cleaning ring 71 is moving, it sweeps the materials on the large-particle screening mesh 31.

[0027] A cleaning device 7 is installed on the screening mechanism 3. The cleaning device 7 includes a cleaning ring 71 that penetrates the funnel and is slidably connected to it. The cleaning ring 71 moves in the funnel through the connected pushing block 72. A limiting groove 73 is provided on the pushing block 72, and a limiting rod 74 is slidably connected in the limiting groove 73. The function of the limiting rod 74 is to limit the position of the pushing block 72 so that it is fixed at a designated position. A pushing rod 75 is fixedly connected to the pushing block 72, and the pushing rod 75 is driven by a servo motor 76. The servo motor 76 drives the pushing rod 75, thereby driving the pushing block 72 to move. Under the limiting action of the limiting rod 74, the pushing block 72 moves along its axis direction, thereby driving the cleaning ring 71 to move. During the movement of the cleaning ring 71, it sweeps the materials on the large-particle screening mesh 31 to keep the large-particle screening mesh 31 clean and ensure the screening efficiency.

[0028] Refer to Figures 5-7On one side of the funnel, there is a fixed connection with a recovery device 8. The recovery device 8 includes a recovery tank 81 provided on one side of the funnel. Inside the recovery tank 81, there is a recovery box body 82 adapted to it. The recovery box body 82 is used to hold the large particle materials swept out by the cleaning device 7.

[0029] On one side of the funnel, there is a fixed connection with a recovery device 8, which mainly consists of a recovery tank 81 provided on one side of the funnel. Inside the recovery tank 81, there is a recovery box body 82 adapted to it. When the cleaning device 7 sweeps out large particle materials during the screening process, these materials will fall into the recovery tank 81. The function of the recovery box body 82 is to hold these swept-out large particle materials, thereby realizing the recovery and reuse of the materials. This design not only improves the utilization rate of raw materials but also helps to keep the screening process clean and efficient.

[0030] Refer to Figures 1-4 The subcontracting mechanism 4 includes a receiving tray 42 for carrying the materials after packaging is completed. The receiving tray 42 is connected to the device through a rotating rod 41. By rotating the rotating rod 41, the connected receiving tray 42 is driven to rotate, and the rotation of the receiving tray 42 guides the materials on it to the weighing mechanism 5.

[0031] The working principle of the subcontracting mechanism 4 of the turn-down collar packaging device involves a receiving tray 42, which is used to carry the materials after packaging is completed. The receiving tray 42 is connected to the device through a rotating rod 41, and the rotation of the rotating rod 41 can drive the receiving tray 42 to rotate. When the receiving tray 42 rotates, the materials on it are guided to the weighing mechanism 5 for weighing. This process realizes the automatic transition of the materials from the completion of packaging to weighing, improving the efficiency and accuracy of the entire packaging process.

[0032] Refer to Figures 1-4 The weighing mechanism 5 is a weighing block provided below the subcontracting mechanism 4 and a load tray 51 located above the weighing block.

[0033] The weighing block is provided below the subcontracting mechanism 4, playing a role in supporting and measuring the weight. The load tray 51 is located directly above the weighing block and is used to place the materials to be weighed. When the materials are transferred from the subcontracting mechanism 4 to the load tray 51, the weighing block will sense the weight of the materials and measure it through the weighing mechanism 5. This design ensures that the weight of the materials during the packaging process can be quickly and accurately determined, thus ensuring the accuracy and consistency of the packaging.

[0034] Refer to Figures 1-4 The guiding mechanism 6 is a guiding slide rail 61 provided on one side of the weighing mechanism 5 for guiding the materials that pass the weighing to a designated position.

[0035] The guiding mechanism 6 is composed of a guiding slide rail 61 provided on one side of the weighing mechanism 5. Its function is to guide the material along the guiding slide rail 61 to a preset position after the material passes through the weighing mechanism 5 and the weight is confirmed to be qualified. This process ensures that the material can smoothly enter the next production process or be packaged, thereby improving the automation degree and efficiency of the entire packaging process.

[0036] The above embodiments only represent one or several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the appended claims.

Claims

1. A lapel-type packaging device based on multi-stage screening and rapid weighing of raw materials, comprising a longitudinal sealing mechanism (1) for longitudinally heat-sealing a film on the surface of a material, and a transverse sealing and cutting mechanism (2) for transversely heat-sealing and shearing the material after being sealed by the longitudinal sealing mechanism (1), characterized in that: The invention also comprises a hopper for feeding materials, wherein a screening mechanism (3) for screening large-particle materials is arranged in the hopper, wherein the screening mechanism (3) comprises a large-particle screening net (31) in the hopper, and a subpackaging mechanism (4) for guiding the packaged materials is arranged below the transverse sealing and cutting mechanism (2). The packaged materials are guided to a weighing mechanism (5) arranged below the subpackaging mechanism (4) through the subpackaging mechanism (4), and the qualified materials weighed by the weighing mechanism (5) are guided to a designated place through the guiding mechanism (6).

2. The lapel-type packaging device based on multi-stage screening and rapid weighing of raw materials according to claim 1 is characterized in that: The screening mechanism (3) is provided with a cleaning device (7), the cleaning device (7) comprising a cleaning ring (71) penetrating the funnel and slidably connected to the funnel, the cleaning ring (71) moves in the funnel through a push block (72) connected thereto, a limiting groove (73) is provided on the push block (72), a limiting rod (74) is slidably connected in the limiting groove (73), the position of the push block (72) is limited to a specified position by the limiting rod (74), a pushing rod (75) is fixedly connected to the push block (72), the pushing rod (75) is driven by a servo motor (76), the pushing rod (75) is driven by the servo motor (76) to drive the pushing block (72) to move, the pushing block (72) drives the cleaning ring (71) to move along a specified axis direction under the limit of the limiting rod (74), and the cleaning ring (71) sweeps the materials on the large particle screening net (31) while moving.

3. The lapel-type packaging device based on multi-stage screening and rapid weighing of raw materials according to claim 2 is characterized in that: A recovery device (8) is fixedly connected to one side of the funnel. The recovery device (8) comprises a recovery trough (81) arranged on one side of the funnel. A recovery box (82) adapted thereto is arranged in the recovery trough (81). The recovery box (82) is used to accommodate large particles of material swept out by the cleaning device (7).

4. The lapel-type packaging device based on multi-stage screening and rapid weighing of raw materials according to claim 1 is characterized in that: The subpackaging mechanism (4) comprises a receiving tray (42) for carrying the packaged materials. The receiving tray (42) is connected to the device via a rotating rod (41). The receiving tray (42) connected thereto is driven to rotate by the rotation of the rotating rod (41). The receiving tray (42) rotates to guide the materials thereon to the weighing mechanism (5).

5. The lapel-type packaging device based on multi-stage screening and rapid weighing of raw materials according to claim 1 is characterized in that: The weighing mechanism (5) comprises a weighing block disposed below the subpackaging mechanism (4) and a loading plate (51) located above the weighing block.

6. The lapel-type packaging device based on multi-stage screening and rapid weighing of raw materials according to claim 1 is characterized in that: The guide mechanism (6) is a guide slide rail (61) arranged on one side of the weighing mechanism (5) and used to guide the weighed qualified material to a designated position.

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