Cutting packaging machine

Abstract

The utility model relates to a cutting packaging machine in the field of packaging machines, which comprises a machine frame and a controller arranged on the machine frame, one end of the machine frame is provided with a first packaging conveying line, the other end of the machine frame is provided with a second packaging conveying line, the machine frame is provided with a packaging mechanism used for packaging films on materials, and the packaging mechanism is provided with a cutting mechanism. A rotary cutting mechanism used for cutting off a thin film is arranged between the first packaging conveying line and the second packaging conveying line and comprises a supporting frame, an upper rotating shaft, a lower rotating shaft, an upper cutter and a lower cutter, and a pre-tightening mechanism used for adjusting the bearing sliding block to move along the lifting sliding groove is arranged on the side plate. Under the synchronous rotation action of the rotary cutting mechanism and the conveying line, continuous work of conveying, packaging and cutting can be achieved, the centering accuracy of the upper cutter and the lower cutter is improved, meanwhile, the using stability and the cutting air tightness of the cutters are improved through the pre-tightening mechanism, and the cutting efficiency is improved. And the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of packaging machines, and particularly relates to a cutting packaging machine. Background Art

[0002] BMC refers to bulk molding compound, which is a molding intermediate material for manufacturing glass fiber reinforced thermosetting products by a semi-dry method. BMC is a prepreg mixed with raw materials such as glass fiber, filler, and resin, and has excellent mechanical properties, electrical properties, and chemical resistance, including but not limited to multiple fields such as automobiles, electrical and electronics, and transportation. After the existing BMC plastic is extruded by an extruder, a cutting machine is required to cut the extruded raw material of BMC into a suitable shape to meet the requirements of subsequent packaging or use.

[0003] In the prior art, since there are certain requirements for the weight specifications of the materials, after the materials are extruded and cut into corresponding specifications and output outward, the materials are cut by corresponding equipment and mechanisms, and then transported through a conveyor line to subsequent processes. After cutting according to the specifications, the materials need to be packed by a packaging machine to complete the production process of the product.

[0004] However, although the existing packaging machines play an important role in the packaging of BMC products, there are still some defects. First, the sealing and cutting effects of the existing packaging machines are not good, the sealing stability is poor, and it is easy to cause air leakage in the packaging seal. Due to the insufficient airtightness of the packaging film for the materials by the packaging machine, oxygen enters the packaging bag and reacts with the product in the subsequent process, resulting in the hardening and failure of the product. In addition, the cutting of the packaging film by the existing packaging machine is prone to insufficient cutting, resulting in difficult separation. Second, the film sealing of the existing packaging machine requires the production line to stop and wait, resulting in slow action efficiency of the sealing and cutting, thus affecting the packaging effect and packaging production efficiency. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the above defects and provide a cutting packaging machine to solve the technical problems that the sealing tightness and stability of the existing packaging machine in the above background art are poor, the cutting effect of the packaging film is poor, and the sealing and cutting need to stop and wait, thus affecting the packaging effect and packaging production efficiency.

[0006] The purpose of the utility model is achieved in the following way:

[0007] A cutting and packaging machine, comprising a frame and a controller disposed on the frame. One end of the frame is provided with a first packaging conveyor line, and the other end of the frame is provided with a second packaging conveyor line. The conveying directions of the first packaging conveyor line and the second packaging conveyor line both extend along the length direction of the frame. One end of the frame close to the first packaging conveyor line is provided with a film winding mechanism for transporting packaging film. An encapsulation mechanism for packaging the film on the material is disposed on the frame. The encapsulation mechanism is disposed at one end of the frame close to the first packaging conveyor line. A rotary cutting mechanism for cutting the film is disposed between the first packaging conveyor line and the second packaging conveyor line. The rotary cutting mechanism includes a support frame, an upper rotating shaft, a lower rotating shaft, an upper cutting knife disposed on the upper rotating shaft, and a lower cutting knife disposed on the lower rotating shaft. The support frame is mounted on the frame. The lower rotating shaft is mounted on the support frame through a side plate. A bearing slider is connected to the side plate through a lifting chute. The upper rotating shaft is rotatably connected to the bearing slider. A pre-tightening mechanism for adjusting the movement of the bearing slider along the lifting chute is disposed on the side plate. One end of the upper rotating shaft and the lower rotating shaft adjacent to each other are respectively connected with a first gear and a second gear. The first gear and the second gear are meshed to enable synchronous rotation. One end of the lower rotating shaft passes through the side plate and is connected with a rotary cutting drive motor. The controller can make the rotary cutting drive motor operate synchronously with the first packaging conveyor line and the second packaging conveyor line.

[0008] Further in the above description, the film winding mechanism includes a winding shaft, a film feeding rubber roller, and a supporting roller. A connecting plate for mounting the winding shaft, the film feeding rubber roller, and the supporting roller is disposed at the end of the frame. The winding shaft is provided with a wound packaging film, and one end of the winding shaft is connected with a unwinding motor.

[0009] Further in the above description, the encapsulation mechanism includes a flange support, a mounting support, a driving traction wheel, and a driven traction wheel. A fixing plate for mounting the flange support is disposed on the frame. The mounting support is connected to one end of the flange support. The driving traction wheel is mounted on the mounting support through a driving shaft. An encapsulation motor for driving the driving traction wheel to rotate is disposed on the mounting support. The driven traction wheel is connected to the mounting support through an eccentric shaft, and the outer surfaces of the driven traction wheel and the driving traction wheel are in low pressure contact. Thus, the film is pressed and driven to be transported and packaged by the driving traction wheel and the driven traction wheel. There are two sets of encapsulation mechanisms, and the two sets of encapsulation mechanisms are distributed at both ends of the fixing plate. Both sets of encapsulation mechanisms are disposed above the first packaging conveyor line.

[0010] Further in the above description, a connecting seat is connected to the fixing plate through a connecting frame. A rotatable swing rod is hinged to the connecting seat through a pin shaft. One end of the swing rod extends towards the first packaging conveyor line and is connected with a heating block for thermally sealing the edge of the film. There are two swing rods, and heating blocks are connected to both swing rods.

[0011] Further in the above description, two bearing sliders are provided, and the two bearing sliders are symmetrically distributed on both sides of the support frame. Two side plates for installing the two bearing sliders are connected to both sides of the support frame. A plurality of chain trough pipes are connected between the two side plates, and the chain trough pipes are used to connect to the second packaging conveyor line.

[0012] Further in the above description, the pre-tightening mechanism includes a spring pressing block and a die spring. The spring pressing block is paired and connected with the lifting chute. The die spring is arranged between the spring pressing block and the bearing slider. A pressure adjusting screw is connected to the side plate through the mounting plate, and one end of the pressure adjusting screw passes through the mounting plate and presses against the spring pressing block.

[0013] Further in the above description, a sliding member is provided at one end of the frame close to the second packaging conveyor line. A protective cover is connected to the sliding member. A channel for transporting materials is formed inside the protective cover. A brush is connected to the inner wall of the channel. One end of the sliding member is connected to a driving cylinder for driving the protective cover to extend along the conveying direction of the second packaging conveyor line.

[0014] Further in the above description, a weighing conveyor line is provided on the frame. The weighing conveyor line is arranged at one end of the second packaging conveyor line far from the rotary cutting mechanism. The controller is electrically connected to a weighing module, and the weighing module is installed on the weighing conveyor line.

[0015] The beneficial effects of the present utility model are as follows: The first packaging conveyor line and the second packaging conveyor line are respectively located at both ends of the frame, forming a path for materials from input to output. The provided packaging mechanism packages the materials entering the first packaging conveyor line, and when the materials are conveyed along the conveying direction to the rotary cutting mechanism, the controller controls the rotary cutting drive motor to move synchronously with the first packaging conveyor line and the second packaging conveyor line. Due to the meshing connection of the first gear and the second gear, the upper rotating shaft and the lower rotating shaft can drive the upper cutting knife and the lower cutting knife to perform synchronous rotating actions, thereby improving the accuracy and stability of the alignment of the upper cutting knife and the lower cutting knife and cutting the film. At the same time, under the synchronous rotary cutting of the rotary cutting mechanism, the conveying, packaging, and cutting can be carried out continuously, solving the problem of slow action rhythm, improving the continuity of packaging and production efficiency. In addition, the paired connection of the bearing slider and the lifting chute enables the upper rotating shaft to be flexibly adjusted relative to the lower rotating shaft through the pre-tightening mechanism, so that the pre-tightening force between the upper cutting knife and the lower cutting knife can be adjusted to adapt to packaging films and materials of different thicknesses, ensuring the stability and accuracy of the cutting of the upper cutting knife and the lower cutting knife, and further improving the cutting quality and production efficiency. Description of the Drawings

[0016] Figure 1 is a three-dimensional view from the front perspective of this embodiment;

[0017] Figure 2 is a three-dimensional view from the rear perspective of this embodiment;

[0018] Figure 3 is a sectional view of this embodiment;

[0019] Figure 4 is a schematic diagram of the internal structure of this embodiment;

[0020] Figure 5 is a schematic diagram of the structure of the encapsulation mechanism in this embodiment;

[0021] Figure 6 is a schematic diagram of the overall structure of the rotary cutting mechanism in this embodiment;

[0022] Figure 7 is a schematic diagram of a partial structure of the rotary cutting mechanism in this embodiment;

[0023] The reference numerals in the figure are respectively: 1 - frame, 2 - controller, 3 - first packaging conveyor line, 4 - second packaging conveyor line, 5 - rotary cutting mechanism, 51 - support frame, 52 - upper rotating shaft, 53 - lower rotating shaft, 54 - upper cutting knife, 55 - lower cutting knife, 56 - side plate, 57 - first gear, 58 - second gear, 59 - rotary cutting drive motor, 6 - encapsulation mechanism, 61 - flange support, 62 - mounting support, 63 - active traction wheel, 64 - driven traction wheel, 65 - fixing plate, 7 - film winding mechanism, 71 - winding shaft, 72 - film feeding rubber roller, 73 - die supporting roller, 8 - bearing slider, 9 - lifting chute, 10 - connecting seat, 11 - swing rod, 12 - heating block, 13 - chain trough pipe, 14 - spring pressing block, 15 - die spring, 16 - mounting plate, 17 - pressure adjusting screw, 18 - sliding part, 19 - protective cover, 20 - brush, 21 - driving cylinder, 22 - weighing conveyor line. Specific Embodiments

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] In this embodiment, refer to Figures 1 - 7, A cutting packaging machine in its specific implementation includes a frame 1 and a controller 2 disposed on the frame 1. At one end of the frame 1, a first packaging conveyor line 3 is provided, and at the other end of the frame 1, a second packaging conveyor line 4 is provided. The conveying directions of the first packaging conveyor line 3 and the second packaging conveyor line 4 both extend along the length direction of the frame 1. At one end of the frame 1 close to the first packaging conveyor line 3, a film winding mechanism 7 for transporting packaging film is provided. On the frame 1, a packaging mechanism 6 for packaging the film on the material is provided. The packaging mechanism 6 is disposed at one end of the frame 1 close to the first packaging conveyor line 3. Between the first packaging conveyor line 3 and the second packaging conveyor line 4, a rotary cutting mechanism 5 for cutting the film is provided. The rotary cutting mechanism 5 includes a support frame 51, an upper rotating shaft 52, a lower rotating shaft 53, an upper cutting knife 54 disposed on the upper rotating shaft 52, and a lower cutting knife 55 disposed on the lower rotating shaft 53. The support frame 51 is installed on the frame 1. The lower rotating shaft 53 is installed on the support frame 51 through a side plate 56. A bearing slider 8 is connected to the side plate 56 through a lifting chute 9. The upper rotating shaft 52 is rotatably connected to the bearing slider 8. On the side plate 56, a pre-tightening mechanism for adjusting the movement of the bearing slider 8 along the lifting chute 9 is provided. Adjacent ends of the upper rotating shaft 52 and the lower rotating shaft 53 are respectively connected with a first gear 57 and a second gear 58. The first gear 57 and the second gear 58 are meshed to enable synchronous rotation. One end of the lower rotating shaft 53 passes through the side plate 56 and is connected with a rotary cutting drive motor 59. Through the controller 2, the rotary cutting drive motor 59 can be synchronized with the first packaging conveyor line 3 and the second packaging conveyor line 4 for operation.

[0026] Refer to Figure 3 , The film winding mechanism 7 includes a winding shaft 71, a film feeding rubber roller 72, and a support roller 73. At the end of the frame 1, a connecting plate for installing the winding shaft 71, the film feeding rubber roller 72, and the support roller 73 is provided. The winding shaft 71 is wound with packaging film, and one end of the winding shaft 71 is connected with an unwinding motor (not shown).

[0027] Specifically, the film winding mechanism 7 provides continuous packaging film, providing the necessary materials for the subsequent packaging process, ensuring the continuity of film supply, and improving production efficiency.

[0028] Refer to Figure 4 and Figure 5, the encapsulation mechanism 6 includes a flange support 61, a mounting support 62, a driving traction wheel 63 and a driven traction wheel 64. A fixing plate 65 for mounting the flange support 61 is provided on the frame 1. The mounting support 62 is connected to one end of the flange support 61. The driving traction wheel 63 is mounted on the mounting support 62 through a driving shaft. An encapsulation motor for driving the driving traction wheel 63 to rotate is provided on the mounting support 62. The driven traction wheel 64 is connected to the mounting support 62 through an eccentric shaft, and the outer surfaces of the driven traction wheel 64 and the driving traction wheel 63 are in low pressure contact, so as to press and drive the film for conveying and packaging through the driving traction wheel 63 and the driven traction wheel 64. Two sets of encapsulation mechanisms 6 are provided, and the two sets of encapsulation mechanisms 6 are distributed at both ends of the fixing plate 65. Both sets of encapsulation mechanisms 6 are arranged above the first packaging conveyor line 3.

[0029] Specifically, the encapsulation mechanism 6 is arranged at one end close to the first packaging conveyor line 3, so that the film winding mechanism 7 can wrap the film around the material to form a preliminary package, and complete the encapsulation of the film edge under the drive of the encapsulation mechanism 6, reducing the risk of material conveying damage. The encapsulation motor drives the driving shaft to rotate through gears, so that the driving traction wheel 63 cooperates with the driven traction wheel 64 to press the film and drive the upper edge of the film. Two sets of left and right encapsulation mechanisms 6 are provided to pre-press the upper edge of the film, facilitating subsequent heat sealing.

[0030] Refer to Figure 5 , a connecting seat 10 is connected to the fixing plate 65 through a connecting frame. A swing rod 11 that can rotate is hinged to the connecting seat 10 through a pin shaft. One end of the swing rod 11 extends towards the first packaging conveyor line 3 and is connected with a heating block 12 for thermally sealing the film edge. There are two swing rods 11, and heating blocks 12 are connected to both of the two swing rods 11.

[0031] Specifically, the two swing rods 11 can rotate around the two pin shafts respectively, so that the two heating blocks 12 can be opened under the action of manpower and can be in thermal fusion cooperation under the action of gravity.

[0032] Refer to Figure 6 and Figure 7 , there are two bearing sliders 8, and the two bearing sliders 8 are symmetrically distributed on both sides of the support frame. Two side plates 56 for installing the two bearing sliders 8 are connected to both sides of the support frame. A chain trough pipe 13 is connected between the two side plates 56, and the chain trough pipe 13 is used to connect the second packaging conveyor line 4.

[0033] Specifically, the bearing slider 8 provided can drive the upper rotating shaft 52 to slide and adjust along the lifting chute 9, so as to conveniently adjust the pre-tightening between the upper rotating shaft 52 and the lower rotating shaft 53 to adapt to packaging films and materials of different thicknesses, thereby improving the film cutting effect and cutting efficiency.

[0034] Optionally, the set drag chain tube 13 can facilitate the transfer of the material after the film is cut and sealed to the second packaging conveyor line 4, improving the stability and reliability of the transfer.

[0035] Refer to Figure 7 , the pre-tightening mechanism includes a spring pressing block 14 and a die spring 15. The spring pressing block 14 is paired and connected with the lifting chute 9. The die spring 15 is arranged between the spring pressing block 14 and the bearing slider 8. A pressure adjusting screw 17 is connected to the side plate 56 through the mounting plate 16. One end of the pressure adjusting screw 17 passes through the mounting plate 16 and presses against the spring pressing block 14.

[0036] Specifically, by setting the spring pressing block 14 and the die spring 15, the pre-tightening force of the upper rotating shaft 52 can be adjusted to meet the packaging requirements, further improving the airtightness of the packaging film and the good cutting effect of the upper cutter 54 and the lower cutter 55.

[0037] Refer to Figure 4 , one end of the frame 1 close to the second packaging conveyor line 4 is provided with a sliding member 18. A protective cover 19 is connected to the sliding member 18. A channel for transporting materials is formed inside the protective cover 19. A brush 20 is connected to the inner wall of the channel. One end of the sliding member 18 is connected with a driving cylinder 21 for driving the protective cover 19 to extend along the conveying direction of the second packaging conveyor line 4. A weighing conveyor line 22 is arranged on the frame 1. The weighing conveyor line 22 is arranged at one end of the second packaging conveyor line 4 away from the rotary cutting mechanism 5. The controller 2 is electrically connected with a weighing module, and the weighing module is installed on the weighing conveyor line 22.

[0038] The telescopic end of the driving cylinder 21 can drive the protective cover 19 to slide on the sliding member 18, so that the protective cover 19 can move along the conveying direction of the conveyor line, and thus the gas in the packaging film can be emptied through the brush 20 in the channel.

[0039] Specifically, the sliding member 18 in this embodiment is composed of a slider and a slide rail. The slide rail is installed on the frame 1, and the slider is paired and connected with the slide rail.

[0040] The specific action principle in this embodiment is as follows: The first packaging conveyor line 3 is connected to an external BMC extrusion raw material cutting machine. After the cutting machine cuts the extruded BMC into corresponding specifications, the first packaging conveyor line 3 conveys the BMC plastic along the conveying direction. The film is unwound through the coiling shaft 71, and the film is encapsulated on the BMC plastic through the driving traction wheels 63 and the driven traction wheels 64 on the two encapsulation mechanisms 6, and the edges of the film are heat-sealed by the heating block 12.

[0041] The encapsulated BMC plastic enters the rotary cutting mechanism 5 under the conveyance of the first packaging conveyor line 3. The rotary cutting drive motor 59 moves synchronously with the first packaging conveyor line 3 and the second packaging conveyor line 4 under the control of the controller 2. At the same time, through the meshing connection of the first gear 57 and the second gear 58, the upper rotating shaft 52 and the lower rotating shaft 53 can drive the upper cutting knife 54 and the lower cutting knife 55 to perform synchronous rotation actions, thereby improving the accuracy and stability of the alignment of the upper cutting knife 54 and the lower cutting knife 55 and cutting the film. Through the paired connection of the bearing slider 8 and the lifting chute 9, the pre-tightening mechanism can flexibly adjust the upper rotating shaft 52 relative to the lower rotating shaft 53, enabling it to adjust the pre-tightening force between the upper cutting knife 54 and the lower cutting knife 55 to adapt to packaging films and materials of different thicknesses, ensuring the stability and accuracy of the cutting by the upper cutting knife 54 and the lower cutting knife 55. Moreover, under the synchronous rotation movement cutting of the rotary cutting mechanism 5 and the conveyor line, the conveying and cutting of the package can be continuously carried out, solving the problem of slow beat caused by the stop action of the existing cutting mechanism, and improving the continuity of packaging and production efficiency;

[0042] The packaged materials are conveyed through the drag chain pipe 13 via the second packaging conveyor line 4. The brush 20 inside the protective cover 19 can remove the excess air inside the packaging film, and convey it along the conveying direction to the weighing conveyor line 22 for subsequent work, further improving the cutting quality and production efficiency.

[0043] The above is only a preferred embodiment of the present invention, and it does not impose any form of limitation on the present invention. Although the present invention is disclosed above in a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art, without departing from the scope of the technical solution of the present invention, when making some changes or modifications using the above-disclosed technical content into equivalent embodiments of equivalent changes, but as long as it does not depart from the content of the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical concept of the present invention shall fall within the scope of the technical solution of the present invention.

Claims

1. A cutting and packaging machine, comprising a frame and a controller arranged on the frame. One end of the frame is provided with a first packaging conveyor line, and the other end of the frame is provided with a second packaging conveyor line. The conveying directions of the first packaging conveyor line and the second packaging conveyor line both extend along the length direction of the frame. A film winding mechanism for transporting packaging film is arranged at one end of the frame close to the first packaging conveyor line, and it is characterized in that: An encapsulation mechanism for wrapping a film around a material is provided on the frame. The encapsulation mechanism is arranged at one end of the frame close to the first packaging conveyor line. A rotary cutting mechanism for cutting the film is arranged between the first packaging conveyor line and the second packaging conveyor line. The rotary cutting mechanism includes a support frame, an upper rotating shaft, a lower rotating shaft, an upper cutting knife arranged on the upper rotating shaft, and a lower cutting knife arranged on the lower rotating shaft. The support frame is installed on the frame. The lower rotating shaft is installed on the support frame through side plates. The side plates are connected with bearing sliders through lifting chutes. The upper rotating shaft is rotatably connected with the bearing sliders. A pre-tightening mechanism for adjusting the movement of the bearing sliders along the lifting chutes is arranged on the side plates. One end of the upper rotating shaft and the lower rotating shaft are respectively connected with a first gear and a second gear. The first gear and the second gear are meshed to enable synchronous rotation. One end of the lower rotating shaft passes through the side plate and is connected with a rotary cutting drive motor. The rotary cutting drive motor can be synchronously operated with the first packaging conveyor line and the second packaging conveyor line through a controller.

2. The cutting packaging machine according to claim 1, wherein: The film winding mechanism includes a winding shaft, a film feeding rubber roller, and a support roller. A connecting plate for installing the winding shaft, the film feeding rubber roller, and the support roller is arranged at the end of the frame. The winding shaft is provided with a packaging film for winding, and one end of the winding shaft is connected with an unwinding motor.

3. The cutting and packaging machine according to claim 1, characterized in that: The encapsulation mechanism includes a flange support, an installation support, a driving traction wheel, and a driven traction wheel. A fixing plate for installing the flange support is arranged on the frame. The installation support is connected with one end of the flange support. The driving traction wheel is installed on the installation support through a driving shaft. An encapsulation motor for driving the driving traction wheel to rotate is arranged on the installation support. The driven traction wheel is connected with the installation support through an eccentric shaft, and the outer surfaces of the driven traction wheel and the driving traction wheel are in low pressure contact. Thus, the film is pressed and driven to be conveyed and packaged by the driving traction wheel and the driven traction wheel. There are two sets of encapsulation mechanisms, and the two sets of encapsulation mechanisms are distributed at both ends of the fixing plate. Both sets of encapsulation mechanisms are arranged above the first packaging conveyor line.

4. The cutting packaging machine according to claim 3, wherein: A connecting seat is connected to the fixing plate through a connecting frame. A swing rod that can rotate is hinged to the connecting seat through a pin shaft. One end of the swing rod extends towards the first packaging conveyor line and is connected with a heating block for thermally sealing the edge of the film. There are two swing rods, and heating blocks are connected to both swing rods.

5. The cutting and packaging machine according to claim 1, wherein: There are two bearing sliders, and the two bearing sliders are symmetrically distributed on both sides of the support frame. Two side plates for installing the two bearing sliders are connected to both sides of the support frame. A number of chain trays are connected between the two side plates, and the chain trays are used to connect to the second packaging conveyor line.

6. The cutting and packaging machine according to claim 5, characterized in that: The pre-tightening mechanism includes a spring block and a die spring. The spring block is paired and connected with the lifting chute. The die spring is arranged between the spring block and the bearing slider. A pressure adjusting screw is connected to the side plate through a mounting plate. One end of the pressure adjusting screw passes through the mounting plate and presses against the spring block.

7. A cutting packaging machine according to any one of claims 1-6, characterized in that: One end of the frame close to the second packaging conveyor line is provided with a sliding member, and a protective cover is connected to the sliding member. A channel for transporting materials is formed inside the protective cover. The inner wall of the channel is connected with a brush, and one end of the sliding member is connected with a driving cylinder for driving the protective cover to extend along the conveying direction of the second packaging conveyor line.

8. A cutting and packaging machine according to any one of claims 1-6, characterized in that: A weighing conveyor line is arranged on the frame. The weighing conveyor line is arranged at one end of the second packaging conveyor line away from the rotary cutting mechanism. The controller is electrically connected with a weighing module, and the weighing module is installed on the weighing conveyor line.

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