Weight-detection-based material-shortage mask bag transverse removing device

Abstract

The utility model relates to the technical field of lacking facial mask bag removing, in particular to a lacking facial mask bag transverse removing device based on weight detection, which comprises a conveying device, and a weighing device is arranged at the discharging end of the conveying device. The weighing device comprises a main machine body and a conveying device which is arranged at the top of the main machine body and can move up and down in the main machine body, and a removing assembly which can be used for removing mask bags on the weighing device is further arranged over the weighing device. A collecting box capable of storing mask bags is further arranged on the side face of the weighing device. According to the facial mask bag conveying device, the suction cup is in contact with and adsorbed to the facial mask bag in a descending mode, the facial mask bag is conveyed to the position above the collecting box through the suction cup, the facial mask bag is conveyed into the collecting box, and the problem that the facial mask bag adheres to a conveying belt due to a traditional pushing structure is solved.

Description

Technical Field

[0001] This invention relates to the field of material shortage mask bag rejection technology, specifically a material shortage mask bag lateral rejection device based on weight detection. Background Technology

[0002] In the automated production of facial masks, the issue of insufficient material in mask pouches is a significant factor affecting product quality and production efficiency. Mask pouches lacking material entering the market not only harm consumer rights but also negatively impact the company's brand image. Therefore, timely and accurate detection and removal of mask pouches lacking material on the production line is a crucial step in ensuring product quality.

[0003] Chinese patent CN220781335U discloses a transverse rejection device for mask bags lacking material, including a conveying mechanism, a pushing mechanism, a recycling bin, and a weighing mechanism. The conveying mechanism's transport direction is a first direction, and the pushing mechanism and weighing mechanism are spaced apart along the first direction. The pushing mechanism is located in front of the weighing mechanism, and the weighing mechanism includes a display module for displaying the weight of the mask bag. The pushing mechanism includes a push rod that moves along a second direction, and the recycling bins are arranged on both sides of the conveying mechanism along the second direction. The first direction is perpendicular to the second direction. This patent detects the weight of the mask bag by placing the weighing device in front of the pushing mechanism, and uses a drive unit to cause the push rod to move the buffer unit to push the mask bag lacking material into the recycling chamber.

[0004] The existing technology places a weighing device in front of the pushing mechanism to detect the weight of the mask bag, and uses a drive unit to push the push rod and buffer unit to push the empty mask bag into the recycling chamber. However, the empty mask bag is light and made of soft material. During the pushing process, the pushing force applied by the push rod and buffer unit can easily cause the mask bag to wrinkle, deform or even break, making it difficult for the mask bag to enter the recycling chamber smoothly and resulting in a low rejection success rate. This direct pushing vertical rejection method can easily cause the mask bag to stick to the conveyor belt, affecting the operation of the conveyor belt. Utility Model Content

[0005] The purpose of this invention is to provide a transverse rejection device for mask bags with insufficient material based on weight detection. By using a suction cup to descend and contact and adsorb the mask bag, the mask bag is transported to the top of the collection box by the suction cup and sent into the collection box. This solves the problem of mask bags sticking to the conveyor belt caused by the traditional pushing structure.

[0006] To address the problems of existing technologies, this utility model provides a horizontal rejection device for out-of-material face mask bags based on weight detection. The device includes a conveying device, with a weighing device at the outlet end. The weighing device comprises a main body and a conveying mechanism located on top of the main body and capable of moving vertically within it. Above the weighing device is a rejection component for rejecting face mask bags from the weighing device. A collection box for storing face mask bags is located on the side of the weighing device. The rejection component includes several sets of vacuum suction cups that can move vertically, adsorb face mask bags onto the conveying mechanism, circulate them to the top of the collection box, and place them into the collection box.

[0007] Preferably, the rejection assembly includes a telescopic drive component that enables the vacuum suction cups to move up and down. The output end of the telescopic drive component is connected to a lifting component, and each vacuum suction cup is also provided with a connecting rod at its top, which is slidably connected to the lifting component.

[0008] Preferably, a visual inspection device capable of detecting the position of the vacuum suction cup is also provided at the center of the bottom of the lifting component.

[0009] Preferably, each link is fitted with a spring, one end of which is connected to the lifting component, and the other end of which is connected to the link.

[0010] Preferably, the rejection assembly further includes an annular support plate disposed directly above the conveying device and connected to the main body, with two rotating wheels rotatably disposed at the front and rear ends of the support plate, and a timing belt sleeved between the two rotating wheels. The rejection assembly also includes a connector connected to the telescopic drive and the timing belt, and a rotary drive for driving the rotating wheels to rotate is disposed below the support plate.

[0011] Preferably, the rejection assembly further includes a ring rail fixed to the top of the support plate, and the ring rail is slidably connected to the connector.

[0012] Preferably, the weighing device includes a connecting frame disposed at the bottom of the conveying device, and the main body is also provided with a plurality of guide rods that slide in cooperation with the connecting frame. The top two ends of the conveying device are also provided with photoelectric sensors for detecting the entry of the mask bag into the conveying device.

[0013] Preferably, the weighing device further includes a weighing instrument disposed on the top of the main body and capable of contacting the bottom of the connecting frame.

[0014] The advantages of this utility model compared to the prior art are:

[0015] This application effectively solves the problem of rejecting traditional mask bags when they are out of stock. When the weighing device detects in real time that the mask bag is below a preset threshold, triggering the shortage judgment mechanism, the telescopic drive immediately responds, controlling the lifting component to move vertically downwards, driving the vacuum suction cup to move downwards synchronously. When the vacuum suction cup approaches the surface of the mask bag, it adsorbs the mask bag. After adsorption, the rotary drive drives the rotating wheel to rotate at a constant speed, thereby driving the synchronous belt to perform circular motion. The vacuum suction cup moves smoothly along the trajectory to directly above the collection box. During this process, when the vacuum suction cup reaches the designated position, it releases the mask bag, allowing it to fall into the collection box under gravity. This structural design effectively avoids the problem of pushing mask bags due to their lightweight and soft nature, which is a common issue in traditional pushing mechanisms. It also avoids machine downtime caused by mask bags sticking to the conveyor belt during pushing. Through the synergistic effect of vacuum adsorption and circular transfer, the success rate of rejecting mask bags with shortages and the stability of the production line operation are significantly improved, achieving efficient and reliable material sorting in automated production processes. Attached Figure Description

[0016] Figure 1 This is a first three-dimensional structural schematic diagram of a transverse rejection device for a mask bag lacking material based on weight detection according to this utility model.

[0017] Figure 2 This is a second three-dimensional structural diagram of a transverse rejection device for a mask bag lacking material based on weight detection according to this utility model.

[0018] Figure 3 This is a three-dimensional structural diagram of the weighing device and rejection component of a horizontal rejection device for out-of-material face mask bags based on weight detection according to this utility model.

[0019] Figure 4 This is a front view structural diagram of a weighing device for a transverse rejection device for mask bags with insufficient material based on weight detection, according to this utility model.

[0020] Figure 5 This is a first three-dimensional structural diagram of the rejection component of a horizontal rejection device for out-of-material face mask bags based on weight detection according to this utility model.

[0021] Figure 6 This is a first three-dimensional structural diagram of the rejection component of a horizontal rejection device for out-of-material face mask bags based on weight detection according to this utility model.

[0022] The following are the labels in the diagram: 1. Conveying device; 2. Weighing device; 21. Main body; 22. Transmission device; 221. Photoelectric sensor; 222. Connecting frame; 23. Weighing device; 24. Guide rod; 3. Rejection assembly; 31. Support plate; 311. Ring rail; 32. Rotating wheel; 321. Rotary drive component; 33. Synchronous belt; 34. Connecting component; 35. Telescopic drive component; 36. Lifting component; 37. Vacuum suction cup; 371. Connecting rod; 372. Spring; 4. Collection box. Detailed Implementation

[0023] To further understand the features, technical means, and specific objectives and functions achieved by this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments.

[0024] Reference Figures 1-6 As shown, this utility model provides a horizontal rejection device for missing mask bags based on weight detection, including a conveying device 1. A weighing device 2 is provided at the discharge end of the conveying device 1. The weighing device 2 includes a main body 21 and a conveying device 22 located on the top of the main body 21 and capable of moving up and down in the main body 21. A rejection component 3 is also provided directly above the weighing device 2 for rejecting mask bags on the weighing device 2. A collection box 4 for storing mask bags is also provided on the side of the weighing device 2. The rejection component 3 includes several sets of vacuum suction cups 37 that can move up and down, can be adsorbed onto the conveying device 22, and can be circulated to the top of the collection box 4 and placed into the collection box 4.

[0025] The mask bags are first conveyed to the weighing device 2 via the conveying device 1. In the weighing device 2, if the weight of the mask bag meets the preset standard, the conveying device 22 continues to convey the mask bag to the next process; if the weight of the mask bag does not meet the standard (i.e., it is short of material), the rejection component 3 begins to operate. The vacuum suction cup 37 in the rejection component 3 descends and adheres to the mask bag with insufficient material on the conveying device 22. Then, the vacuum suction cup 37 moves cyclically to above the collection box 4, releases the adhesion, and places the mask bag with insufficient material into the collection box 4, completing the lateral rejection process for the mask bag with insufficient material. The entire device, through the coordinated work of its components, achieves the functions of weight detection of the mask bags and automatic rejection of mask bags with insufficient material.

[0026] The rejection assembly 3 includes a telescopic drive 35 that enables the vacuum suction cups 37 to move up and down. The output end of the telescopic drive 35 is connected to a lifting member 36. Each vacuum suction cup 37 is also provided with a connecting rod 371 at its top, and the connecting rod 371 is slidably connected to the lifting member 36. A visual inspection device capable of detecting the position of the vacuum suction cups 37 is also provided at the center of the bottom of the lifting member 36.

[0027] When a mask bag with insufficient material needs to be removed, the telescopic drive component 35 extends, pushing the lifting component 36 downwards. Since the vacuum suction cup 37 is slidably connected to the lifting component 36 via the connecting rod 371, the lifting component 36 lowers the vacuum suction cup 37 along with it. During the descent, the vision detection device monitors the position of the vacuum suction cup 37 in real time, ensuring it descends to a position where it can adsorb the mask bag. Once the vacuum suction cup 37 reaches the appropriate position, it begins to adsorb the mask bag. After adsorption is complete, the telescopic drive component 35 retracts, causing the lifting component 36 and the vacuum suction cup 37 with the adsorbed mask bag to rise. Then, the vacuum suction cup 37 circulates to above the collection box 4, releases its adsorption state, and places the mask bag with insufficient material into the collection box 4.

[0028] Each link 371 is fitted with a spring 372, one end of which is connected to the lifting member 36, and the other end is connected to the link 371. The spring 372 acts as a buffer. When the vacuum suction cup 37 descends and contacts the mask bag, an impact force may be generated. The spring 372 can absorb and buffer this impact force to prevent the vacuum suction cup 37 from being damaged by excessive force, while ensuring that the vacuum suction cup 37 can more stably adsorb the mask bag. The rejection assembly 3 also includes an annular support plate 31 located directly above the conveying device 22 and connected to the main body 21. Two rotating wheels 32 are rotatably arranged at the front and rear ends of the support plate 31. A synchronous belt 33 is fitted between the two rotating wheels 32. The rejection assembly 3 also includes a connector 34 connected to the telescopic drive member 35 and connected to the synchronous belt 33. A rotary drive member 321 for driving the rotating wheels 32 to rotate is also provided below the support plate 31. The rejection assembly 3 also includes a ring rail 311 fixed to the top of the support plate 31, and the ring rail 311 is slidably connected to the connector 34. The ring rail 311 provides guidance and support for the movement of the connector 34, ensuring the stability and accuracy of the connector 34 during movement, so that the vacuum suction cup 37 can move along a predetermined path.

[0029] The rotary drive 321 is activated, driving the rotary wheel 32 to rotate, which in turn drives the synchronous belt 33 to move. The connecting member 34 is connected to the synchronous belt 33 and also slidably connected to the ring rail 311. Driven by the synchronous belt 33, the connecting member 34 moves cyclically along the ring rail 311. Since the telescopic drive 35 is connected to the connecting member 34, the telescopic drive 35 and its connected components, such as the vacuum suction cup 37, also move cyclically along with the connecting member 34.

[0030] The weighing device 2 includes a connecting frame 222 disposed at the bottom of the conveying device 22. The main body 21 is also provided with several guide rods 24 that slide in cooperation with the connecting frame 222. Photoelectric sensors 221 for detecting the entry of the mask bag onto the conveying device 22 are also disposed at both ends of the top of the conveying device 22. The weighing device 2 also includes a weighing instrument 23 disposed at the top of the main body 21 and in contact with the bottom of the connecting frame 222.

[0031] The above embodiments only illustrate one or more implementations of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A transverse rejection device for out-of-material facial mask bags based on weight detection, characterized in that: The device includes a conveying device (1), and a weighing device (2) is provided at the discharge end of the conveying device (1). The weighing device (2) includes a main body (21) and a conveying device (22) provided on the top of the main body (21) and capable of moving up and down in the main body (21). A rejection component (3) is also provided directly above the weighing device (2) for removing the mask bags on the weighing device (2). A collection box (4) for storing the mask bags is also provided on the side of the weighing device (2). The rejection component (3) includes several sets of vacuum suction cups (37) that can move up and down, can be adsorbed onto the conveying device (22), and can be circulated to the top of the collection box (4) and put into the collection box (4).

2. The transverse rejection device for out-of-material face mask bags based on weight detection according to claim 1, characterized in that: The rejection assembly (3) includes a telescopic drive (35) that enables the vacuum suction cup (37) to move up and down. The output end of the telescopic drive (35) is connected to a lifting component (36). Each vacuum suction cup (37) is also provided with a connecting rod (371) at its top. The connecting rod (371) is slidably connected to the lifting component (36).

3. The transverse rejection device for out-of-material face mask bags based on weight detection according to claim 2, characterized in that: The center of the bottom of the lifting component (36) is also equipped with a visual inspection device capable of detecting the position of the vacuum suction cup (37).

4. The transverse rejection device for out-of-material face mask bags based on weight detection according to claim 1, characterized in that: Each link (371) is fitted with a spring (372), one end of which is connected to the lifting member (36), and the other end of which is connected to the link (371).

5. The transverse rejection device for out-of-material face mask bags based on weight detection according to claim 1, characterized in that: The rejection assembly (3) also includes an annular support plate (31) located directly above the conveying device (22) and connected to the main body (21). Two rotating wheels (32) are rotatably arranged at the front and rear ends of the support plate (31), and a synchronous belt (33) is sleeved between the two rotating wheels (32). The rejection assembly (3) also includes a connector (34) connected to the telescopic drive (35) and connected to the synchronous belt (33). A rotary drive (321) for driving the rotating wheels (32) to rotate is also provided below the support plate (31).

6. The transverse rejection device for out-of-material face mask bags based on weight detection according to claim 1, characterized in that: The rejection assembly (3) also includes a ring rail (311) fixed to the top of the support plate (31), and the ring rail (311) is slidably connected to the connector (34).

7. The transverse rejection device for out-of-material face mask bags based on weight detection according to claim 1, characterized in that: The weighing device (2) includes a connecting frame (222) at the bottom of the conveying device (22), and the main body (21) is also provided with a number of guide rods (24) that slide with the connecting frame (222). The top two ends of the conveying device (22) are also provided with photoelectric sensors (221) for detecting the entry of the mask bag into the conveying device (22).

8. A transverse rejection device for out-of-material face mask bags based on weight detection according to claim 1, characterized in that: The weighing device (2) also includes a weighing instrument (23) disposed on the top of the main body (21) and capable of contacting the bottom of the connecting frame (222).

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