Weighing mechanism for packaging machinery

Abstract

The weighing mechanism for the packaging machinery comprises a base and a limiting rod, the top of the base is fixedly connected with a protective cover, one side of the interior of the protective cover is fixedly connected with a cleaning brush, one side of the protective cover is fixedly connected with a positioning frame, the upper end of the interior of the positioning frame is symmetrically provided with screw rods, and the screw rods are fixedly connected with the limiting rod. One end of one screw is fixedly connected to the output end of a motor, the outer side of each screw is in threaded connection with a movable frame, the top of each movable frame is fixedly connected with a first air cylinder, the first air cylinders push the sliding frames to move downwards, then the fixed blocks drive the limiting rods to rotate, the two sliding blocks move relative to the limiting rods, and the distance between the two sliding blocks is adjusted. The suction cup clamps and fixes materials, then the motor drives the screw to rotate, the moving frame drives the materials to move to the top of the weighing table to be placed, the materials do not need to be manually carried, the overall working efficiency is improved, the placing position is accurate, deviation cannot be caused, and meanwhile the weighing accuracy is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of weighing, and in particular relates to a weighing mechanism for a packaging machine. Background Art

[0002] In modern packaging production, weighing systems are usually integrated into packaging machinery, which can be a separate weighing device or a part of the packaging machine. These weighing systems can achieve high-speed and accurate weighing while maintaining the continuous operation of the production line. Packaging machinery weighing is an important link in the packaging production line. Its main function is to accurately weigh the materials in the package to ensure that the packaging weight meets the standard requirements. This process is of great significance to ensure product quality, meet consumer needs and comply with relevant regulations.

[0003] In the prior art, when it is necessary to weigh the packaged materials, the materials need to be manually moved to the weighing table, and the weighed materials need to be manually collected, which increases the manual labor and leads to low work efficiency. In addition, the manual placement accuracy is low, which affects the weighing effect. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a weighing mechanism for a packaging machine to solve the problem in the prior art proposed in the above-mentioned background technology that when it is necessary to weigh the packaged materials, the materials need to be manually moved to the weighing platform, and the weighed materials need to be manually collected, which increases the manual labor and leads to low work efficiency. In addition, the manual placement position accuracy is low, which affects the weighing effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a weighing mechanism for a packaging machine, comprising a base and a limit rod, a protective cover is fixedly connected to the top of the base, a cleaning brush is fixedly connected to one side of the protective cover, a positioning frame is fixedly connected to one side of the protective cover, screws are symmetrically arranged on the upper end of the interior of the positioning frame, one end of the screw is fixedly connected to the output end of the motor, a moving frame is threadedly connected to the outer side of the screw, a first cylinder is fixedly connected to the top of the moving frame, the output end of the first cylinder is fixedly connected to a sliding frame, a bidirectional motor is fixedly connected to the interior of the sliding frame, a sliding block is fixedly connected to the output end of the bidirectional motor, and a weighing platform is arranged inside the positioning frame.

[0006] Preferably, a conveying mechanism is provided inside the protective cover, the conveying mechanism is composed of a conveyor belt and a transmission wheel, and an exhaust fan is symmetrically fixedly connected to the upper end of the interior of the protective cover.

[0007] Preferably, a support frame is symmetrically fixedly connected to one adjacent side of the protective cover, an electric push rod is symmetrically fixedly connected to one side inside the support frame, one end of the electric push rod is fixedly connected to a connecting plate, one side of the connecting plate is symmetrically fixedly connected to a light rod, and one end of the light rod is fixedly connected to a clamping plate.

[0008] Preferably, the screw is rotatably connected to the positioning frame via an ear plate, and a conveying chain is transmission-connected to the outer side of the screw.

[0009] Preferably, a sliding block is threadedly connected to the outer side of the limiting rod.

[0010] Preferably, a first spring is fixedly connected between one side of the bidirectional motor and one side of the limiting rod, and a suction cup is fixedly connected to the lower end of one side of the sliding block.

[0011] Preferably, the weighing platform is slidably connected to the positioning frame via a positioning rod, a second spring is fixedly connected between one side of the interior of the positioning frame and the bottom of the weighing platform, and a weighing alarm is fixedly connected to the bottom of the weighing platform.

[0012] Preferably, a second cylinder is fixedly connected to one side of the positioning frame, a push plate is fixedly connected to the output end of the second cylinder, a discharge port is provided on an adjacent side inside the positioning frame, and a collection box is provided at the lower end of the discharge port.

[0013] Compared with the prior art, the utility model provides a weighing mechanism for packaging machinery, which has the following beneficial effects:

[0014] 1. The utility model arranges a sliding frame, and the packaged materials are transported on the top of the conveying mechanism. During the transportation process, the electric push rod pushes the connecting plate to move, and then the two clamping plates push the materials to ensure the position of the materials during transportation. When the materials are transported to the bottom of the sliding frame, the first cylinder pushes the sliding frame downward, and then the fixed block drives the limit rod to rotate, and the two sliding blocks move relative to the limit rod, and the distance between the two sliding blocks is adjusted. The suction cup clamps and fixes the materials, and then the motor drives the screw to rotate, and the mobile frame drives the materials to move to the top of the weighing platform for placement. Manual material handling is no longer required, thereby improving the overall work efficiency, and the placement position is accurate, will not cause deviation, and at the same time improves the accuracy of weighing.

[0015] 2. The utility model sets a weighing alarm and a second cylinder. When the weighed material is too heavy, the weighing alarm will sound an alarm to facilitate the staff to take out the unqualified packaging materials and redistribute the packaging. The packaging materials that meet the requirements are pushed by the second cylinder and the push plate and fall into the collection box through the discharge port, which is convenient for subsequent centralized collection and reduces the labor intensity.

[0016] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the axonometric structure of one side of a weighing mechanism for a packaging machine proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the axonometric structure of the other side of a weighing mechanism for a packaging machine proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the cleaning brush structure of a weighing mechanism for a packaging machine proposed by the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of a mobile frame of a weighing mechanism for a packaging machine proposed by the utility model;

[0022] Figure 5 This is a schematic diagram of the sliding frame structure of a weighing mechanism for a packaging machine proposed by the utility model;

[0023] Figure 6 This is a schematic diagram of the weighing platform structure of a weighing mechanism for a packaging machine proposed by the utility model;

[0024] In the figure: base 1, protective cover 2, conveying mechanism 3, exhaust fan 4, cleaning brush 5, support frame 6, electric push rod 7, connecting plate 8, light rod 9, clamping plate 10, positioning frame 11, ear plate 12, screw 13, motor 14, conveyor chain 15, mobile frame 16, first cylinder 17, sliding frame 18, limit rod 19, two-way motor 20, sliding block 21, first spring 22, suction cup 23, weighing platform 24, positioning rod 25, second spring 26, weighing alarm 27, second cylinder 28, push plate 29, discharge port 30, collection box 31. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-6 The utility model provides a technical solution: a weighing mechanism for a packaging machine, including a base 1 and a limit rod 19, a protective cover 2 is fixedly connected to the top of the base 1, a cleaning brush 5 is fixedly connected to one side of the protective cover 2, a positioning frame 11 is fixedly connected to one side of the protective cover 2, a screw 13 is symmetrically arranged on the upper end of the positioning frame 11, one end of the screw 13 is fixedly connected to the output end of the motor 14, a moving frame 16 is threadedly connected to the outer side of the screw 13, a first cylinder 17 is fixedly connected to the top of the moving frame 16, a sliding frame 18 is fixedly connected to the output end of the first cylinder 17, a bidirectional motor 20 is fixedly connected to the inside of the sliding frame 18, a sliding block 21 is fixedly connected to the output end of the bidirectional motor 20, and a weighing platform 24 is arranged inside the positioning frame 11, The packaged materials are transported on the top of the conveying mechanism 3. During the transportation process, the electric push rod 7 pushes the connecting plate 8 to move, and then the two clamping plates 10 push the materials to ensure the position of the materials during transportation. When transported to the bottom of the sliding frame 18, the first cylinder 17 pushes the sliding frame 18 to move down, and then the fixed block 20 drives the limit rod 19 to rotate, and the two sliding blocks 21 move relative to the limit rod 19 to adjust the distance between the two sliding blocks 21. The suction cup 23 clamps and fixes the materials, and then the motor 14 drives the screw 13 to rotate, and the mobile frame 16 drives the materials to move to the top of the weighing platform 24 for placement. There is no need to manually carry materials, which improves the overall work efficiency, and the placement position is accurate, will not cause deviation, and at the same time improves the accuracy of weighing.

[0027] In the utility model, preferably, a conveying mechanism 3 is provided inside the protective cover 2, and the conveying mechanism 3 is composed of a conveyor belt and a transmission wheel. An exhaust fan 4 is symmetrically fixedly connected to the upper end of the interior of the protective cover 2.

[0028] In the utility model, preferably, a support frame 6 is symmetrically fixedly connected to an adjacent side of the protective cover 2, an electric push rod 7 is symmetrically fixedly connected to one side inside the support frame 6, a connecting plate 8 is fixedly connected to one end of the electric push rod 7, a light rod 9 is symmetrically fixedly connected to one side of the connecting plate 8, and a clamping plate 10 is fixedly connected to one end of the light rod 9.

[0029] In the present invention, preferably, the screw rod 13 is rotatably connected to the positioning frame 11 through the ear plate 12 , and the outer side of the screw rod 13 is transmission-connected with a conveyor chain 15 .

[0030] In the present invention, preferably, the outer side of the limiting rod 19 is threadedly connected with a sliding block 21 .

[0031] In the utility model, preferably, a first spring 22 is fixedly connected between one side of the bidirectional motor 20 and one side of the limiting rod 19 , and a suction cup 23 is fixedly connected to the lower end of one side of the sliding block 21 .

[0032] In the utility model, preferably, the weighing platform 24 is slidably connected to the positioning frame 11 through a positioning rod 25, a second spring 26 is fixedly connected between one side of the inner side of the positioning frame 11 and the bottom of the weighing platform 24, and a weighing alarm 27 is fixedly connected to the bottom of the weighing platform 24. When the volume of the weighed material is too heavy, the weighing alarm 27 will sound an alarm to facilitate the staff to take out the non-compliant packaging materials and redistribute the packaging.

[0033] In the utility model, preferably, a second cylinder 28 is fixedly connected to one side of the positioning frame 11, a push plate 29 is fixedly connected to the output end of the second cylinder 28, a discharge port 30 is arranged on an adjacent side inside the positioning frame 11, and a collecting box 31 is arranged at the lower end of one side of the discharge port 30. Packaging materials that meet the requirements are pushed by the second cylinder 28 and the push plate 29, and fall into the collecting box 31 through the discharge port 30, which is convenient for subsequent centralized collection and reduces manual labor intensity.

[0034] The working principle and use process of the utility model are as follows: when in use, the packaged materials are first placed on the top of the conveying mechanism 3 for transportation. During the transportation process, the electric push rod 7 pushes the connecting plate 8 to move, thereby causing the two clamping plates 10 to push the materials to ensure the position of the materials during transportation. At the same time, the exhaust fan 4 and the cleaning brush 5 clean the outside of the packaged materials to prevent excessive impurities from affecting the weighing results. When transported to the bottom of the sliding frame 18, the first cylinder 17 pushes the sliding frame 18 downward, and then the fixed block 20 drives the limit rod 19 to rotate, and the two sliding blocks 21 move relative to the limit rod 19, and the distance between the two sliding blocks 21 is adjusted, and the suction cup 2 3. The material is clamped and fixed, and then the motor 14 drives the screw 13 to rotate, and the mobile frame 16 drives the material to move to the top of the weighing platform 24 for placement. It is no longer necessary to manually carry the material, which improves the overall work efficiency. The placement position is accurate and will not cause deviation. At the same time, the accuracy of weighing is improved. When the weighed material volume is too heavy, the weighing alarm 27 will sound an alarm to facilitate the staff to take out the unqualified packaging materials and redistribute the packaging. The packaging materials that meet the requirements are pushed by the second cylinder 28 and the push plate 29, and fall into the collection box 31 through the discharge port 30, which is convenient for subsequent centralized collection and reduces the labor intensity.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A weighing mechanism for a packaging machine, comprising a base (1) and a limit rod (19), characterized in that: A protective cover (2) is fixedly connected to the top of the base (1), a cleaning brush (5) is fixedly connected to one side of the protective cover (2), a positioning frame (11) is fixedly connected to one side of the protective cover (2), a screw rod (13) is symmetrically arranged at the upper end of the positioning frame (11), one end of the screw rod (13) is fixedly connected to the output end of the motor (14), a moving frame (16) is threadedly connected to the outer side of the screw rod (13), a first cylinder (17) is fixedly connected to the top of the moving frame (16), the output end of the first cylinder (17) is fixedly connected to a sliding frame (18), a bidirectional motor (20) is fixedly connected to the inside of the sliding frame (18), the output end of the bidirectional motor (20) is fixedly connected to a sliding block (21), and a weighing platform (24) is arranged inside the positioning frame (11).

2. A weighing mechanism for packaging machinery according to claim 1, characterized in that: A conveying mechanism (3) is arranged inside the protective cover (2), and the conveying mechanism (3) is composed of a conveyor belt and a transmission wheel. An exhaust fan (4) is symmetrically fixedly connected to the upper end of the interior of the protective cover (2).

3. A weighing mechanism for packaging machinery according to claim 1, characterized in that: A support frame (6) is symmetrically fixedly connected to one side adjacent to the protective cover (2); an electric push rod (7) is symmetrically fixedly connected to one side inside the support frame (6); one end of the electric push rod (7) is fixedly connected to a connecting plate (8); one side of the connecting plate (8) is symmetrically fixedly connected to a light rod (9); and one end of the light rod (9) is fixedly connected to a clamping plate (10).

4. A weighing mechanism for packaging machinery according to claim 1, characterized in that: The screw rod (13) is rotationally connected to the positioning frame (11) via an ear plate (12), and a conveying chain (15) is transmission-connected to the outer side of the screw rod (13).

5. A weighing mechanism for packaging machinery according to claim 1, characterized in that: The outer side of the limiting rod (19) is threadedly connected with a sliding block (21).

6. A weighing mechanism for packaging machinery according to claim 5, characterized in that: A first spring (22) is fixedly connected between one side of the bidirectional motor (20) and one side of the limiting rod (19), and a suction cup (23) is fixedly connected to the lower end of one side of the sliding block (21).

7. A weighing mechanism for packaging machinery according to claim 1, characterized in that: The weighing platform (24) is slidably connected to the positioning frame (11) via a positioning rod (25); a second spring (26) is fixedly connected between one side of the interior of the positioning frame (11) and the bottom of the weighing platform (24); and a weighing alarm (27) is fixedly connected to the bottom of the weighing platform (24).

8. The weighing mechanism for packaging machinery according to claim 1, characterized in that: A second cylinder (28) is fixedly connected to one side of the positioning frame (11), and a push plate (29) is fixedly connected to the output end of the second cylinder (28). A discharge port (30) is provided on an adjacent side inside the positioning frame (11), and a collection box (31) is provided at the lower end of one side of the discharge port (30).

Images