Automatic weighing machine for boxing

Abstract

The utility model belongs to the technical field of automatic weighing machines, and discloses a boxing automatic weighing machine which comprises a working table, a first-stage conveying platform and a second-stage conveying platform which are correspondingly arranged are installed on the working table, a first-stage air cylinder is arranged on the left side of the tail end of the first-stage conveying platform and installed on the working table, and a second-stage air cylinder is arranged on the left side of the tail end of the second-stage conveying platform and installed on the working table. A piston rod of the first-stage air cylinder is connected with a first-stage push plate, a weighing table is arranged on the right side of the tail end of the first-stage conveying platform, the weighing table is installed on the workbench, a second-stage air cylinder is arranged on the front side of the weighing table, the box is located below the guide hopper, an electric control valve is opened, materials in the storage hopper fall into the box under the influence of the gravity, and the weighing table is installed on the workbench. At the moment, the driving motor drives the lead screw to rotate, the movable frame drives the guide hopper to move, the guide hopper moves above the box, and a bottom material outlet of the guide hopper moves above the box, so that the materials are evenly guided into the box, and the situation that the materials are piled at one position and overflow out of the box is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of automatic weighing machines, in particular to an automatic box weighing machine. Background Art

[0002] The automatic box weighing machine is a device that can automatically weigh the boxed items. It has the advantages of high efficiency and accuracy, high degree of automation, and adaptability to various specifications. It is commonly used in industrial production, logistics, food processing and other fields.

[0003] Chinese patent application number 202223304795.4 discloses an automatic cartoning machine with a weighing function, comprising a main body, a first motor and a second motor are arranged on the outside of the main body and are symmetrically distributed, a transmission component is arranged at the output ends of the first motor and the second motor, a first conveyor belt and a second conveyor belt are arranged inside the main body, two correspondingly distributed guard plates are arranged on the outside of the first conveyor belt, two correspondingly distributed support frames are arranged on the top side of the main body, a telescopic component is arranged on the support frame, a box is placed on the top side of the second conveyor belt, a support plate is arranged on the inner wall of the main body, and an adjustment component is arranged inside the main body. Through the above structure, rice can be packed in boxes according to weight, which is convenient for users to use and reduces the workload of staff. At the same time, the rice adhering to the first conveyor belt can be dropped by the telescopic scraper, which reduces waste and ensures the accuracy of measurement.

[0004] However, the above-mentioned automatic cartoning machine with weighing function has the following problems: 1. The material falls on the first conveyor belt and is weighed by the axle weight scale inside the first conveyor belt. Affected by the conveyor belt, part of the weight of the rice will be supported by the conveyor belt, making the weighing inaccurate; 2. When packing, the material accumulates in one position, which easily causes the material to pile up at that position, and as the material is injected, the material overflows.

[0005] Therefore, a packing automatic weighing machine is proposed to address the above problems. Utility Model Content

[0006] In order to solve the problems raised in the above background technology, the utility model provides an automatic box weighing machine, which has the advantages of more accurate weighing data and preventing material overflow.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic box weighing machine, comprising a workbench, a first-level conveying platform and a second-level conveying platform are installed on the workbench, a first-level cylinder is provided at the left side of the tail end of the first-level conveying platform, the first-level cylinder is installed on the workbench, the piston rod of the first-level cylinder is connected with a first-level push plate, a weighing platform is provided at the right side of the tail end of the first-level conveying platform, the weighing platform is installed on the workbench, a second-level cylinder is provided at the front side of the weighing platform, the second-level cylinder is installed on the workbench, the piston rod of the second-level cylinder is connected with a second-level push plate, a storage hopper is provided above the weighing platform, an electric-controlled valve is installed at the bottom of the storage hopper, a material discharge port is connected to the bottom of the electric-controlled valve, and a material equalization component is connected to the material discharge port;

[0008] The material distribution assembly includes a moving frame, an inner wall of the moving frame is provided with a limiting slide groove, the limiting slide groove is slidably connected to a feed port through a limiting slider, a driving motor is installed on the outer wall of the feed port, an output end of the driving motor is connected to a screw rod, the screw rod is threadedly connected to the moving frame, and a material guide hopper is fixedly connected to the bottom of the moving frame.

[0009] Preferably, support legs are fixedly connected to the four corners of the bottom of the workbench.

[0010] Preferably, the primary conveying platform and the secondary conveying platform are both composed of a primary motor, a driving roller, a driven roller, and a conveyor belt. The primary motor is connected to the driving roller via a motor shaft, and the conveyor belt is connected between the driving roller and the driven roller.

[0011] Preferably, a primary through groove and a secondary through groove are respectively provided at positions on the workbench corresponding to the primary conveying platform and the secondary conveying platform, and a groove is provided at a position on the top of the workbench corresponding to the weighing platform.

[0012] Preferably, baffles are provided on both sides of the primary conveying platform and the secondary conveying platform.

[0013] Preferably, a cover plate is provided on the top of the storage hopper, and the cover plate is connected to the storage hopper via a hinge.

[0014] Preferably, a threaded hole is provided at a position on the moving frame corresponding to the screw rod, the threaded hole is threadedly connected to the screw rod, and a blocking block is connected to one end of the screw rod away from the driving motor.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model is provided with a first-level conveying platform, a second-level conveying platform, a first-level cylinder, a first-level push plate, a second-level cylinder, a second-level push plate and other structures. The first-level cylinder is extended to push the empty box on the first-level conveying platform to the weighing platform through the first-level push plate. After the box is loaded and weighed on the weighing platform, the second-level cylinder is extended to push the loaded material to the second-level conveying platform through the second-level push plate, which can avoid interference to the weighing platform, ensure the accuracy of weighing data, and fully automated without manpower;

[0017] 2. The utility model sets a material equalizing component. The box is located below the guide hopper. The electric control valve is opened so that the material in the storage hopper falls into the box under the influence of gravity. At this time, the driving motor drives the screw rod to rotate, so that the moving frame drives the guide hopper to move, so that the guide hopper moves above the box, and its bottom material outlet moves above the box, so that the material can be evenly introduced into the box, avoiding the material from piling up in one position and overflowing from the box. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the workbench of the utility model;

[0020] Figure 3 This is a structural schematic diagram of the storage hopper position of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the mobile frame of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the first-level transmission platform of the utility model.

[0023] In the figure: 1. Workbench;

[0024] 2. First-stage transmission platform; 21. First-stage motor; 22. Active roller; 23. Driven roller; 24. Conveyor belt;

[0025] 3. Secondary conveying platform; 4. Primary cylinder; 5. Primary push plate; 6. Weighing platform; 7. Secondary cylinder; 8. Secondary push plate; 9. Storage hopper; 10. Electric control valve; 11. Discharging port;

[0026] 12. material distribution assembly; 121. moving frame; 122. limiting slide; 123. driving motor; 124. screw rod; 125. material guide hopper;

[0027] 13. Support leg; 14. Primary through slot; 15. Secondary through slot; 16. Groove; 17. Baffle; 18. Cover plate; 19. Threaded hole; 20. Block. DETAILED DESCRIPTION

[0028] 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.

[0029] like Figures 1 to 5 As shown, the utility model provides an automatic weighing machine for packing, including a workbench 1, on which a corresponding first-level conveying platform 2 and a second-level conveying platform 3 are installed, a first-level cylinder 4 is provided at the left side of the tail end of the first-level conveying platform 2, the first-level cylinder 4 is installed on the workbench 1, and the piston rod of the first-level cylinder 4 is connected with a first-level push plate 5, a weighing platform 6 is provided at the right side of the tail end of the first-level conveying platform 2, the weighing platform 6 is installed on the workbench 1, a second-level cylinder 7 is provided at the front side of the weighing platform 6, the second-level cylinder 7 is installed on the workbench 1, and the piston rod of the second-level cylinder 7 is connected with a second-level push plate 8, a storage hopper 9 is provided above the weighing platform 6, an electric-controlled valve 10 is installed at the bottom of the storage hopper 9, a discharge port 11 is connected to the bottom of the electric-controlled valve 10, and a material equalization component 12 is connected to the discharge port 11;

[0030] The material distribution component 12 includes a moving frame 121, an inner wall of the moving frame 121 is provided with a limiting slide groove 122, the limiting slide groove 122 is slidably connected to the discharge port 11 through a limiting slider, a driving motor 123 is installed on the outer wall of the discharge port 11, the output end of the driving motor 123 is connected to a screw rod 124, the screw rod 124 is threadedly connected to the moving frame 121, and the bottom of the moving frame 121 is fixedly connected to a material guide hopper 125.

[0031] Specifically, the four corners of the bottom of the workbench 1 are fixedly connected with support legs 13 .

[0032] Furthermore, the primary conveying platform 2 and the secondary conveying platform 3 are both composed of a primary motor 21, an active roller 22, a driven roller 23, and a conveyor belt 24. The primary motor 21 is connected to the active roller 22 through a motor shaft, and the conveyor belt 24 is connected between the active roller 22 and the driven roller 23.

[0033] Furthermore, a primary through groove 14 and a secondary through groove 15 are respectively provided at positions on the workbench 1 corresponding to the primary conveying platform 2 and the secondary conveying platform 3 , and a groove 16 is provided at a position on the top of the workbench 1 corresponding to the weighing platform 6 .

[0034] It is worth noting that baffles 17 are provided on both sides of the primary conveying platform 2 and the secondary conveying platform 3 .

[0035] It is worth noting that a cover plate 18 is provided on the top of the storage hopper 9, and the cover plate 18 is connected to the storage hopper 9 via a hinge.

[0036] It is worth mentioning that a threaded hole 19 is provided at a position on the moving frame 121 corresponding to the screw rod 124 , the threaded hole 19 is threadedly connected to the screw rod 124 , and a blocking block 20 is connected to one end of the screw rod 124 away from the driving motor 123 .

[0037] Among them, the first-stage motor 21, the first-stage cylinder 4, the second-stage cylinder 7, the electric control valve 10, and the drive motor 123 are existing technologies and will not be described in detail; at the same time, the utility model also includes a power supply, a controller, and a switch, which are not the main technical points of this patent and will not be described in detail.

[0038] Working principle and process: Place the empty box on the first-level conveying platform 2, start the first-level motor 21. The active roller 22 rotates, and then the driven roller 23 and the conveyor belt 24 rotate, the empty box is transported to the tail end position, start the first-level cylinder 4, the first-level cylinder 4 extends, and then the first-level push plate 5 moves, pushing the empty box onto the weighing platform 6, then the first-level cylinder 4 contracts, the first-level push plate 5 resets, and the electric control valve 10 is opened. The material in the storage hopper 9 falls into the guide hopper 125 after passing through the discharge port 11, and then falls into the empty box below it. At the same time, the drive motor 123 is started, and the screw 124 rotates. The movable frame 121 drives the guide hopper 125 to move under the action of the threaded hole 19 and the limiting slide groove 122 on the movable frame 121, so that the material outlet at the bottom of the guide hopper 125 reciprocates left and right above the box, so that the material is evenly introduced into the box, and it is prevented that the material accumulates in one position in the box and overflows from the box. After the weight reaches a certain range, the electric control valve 10 is closed, and then the secondary cylinder 7 is started, the secondary cylinder 7 is extended, and the secondary push plate 8 pushes the box containing the material onto the secondary conveying platform 3, so that the box containing the material can be conveyed to the next processing position.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] 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. An automatic weighing machine for packing, comprising a workbench (1), characterized in that: The workbench (1) is provided with a correspondingly arranged first-stage conveying platform (2) and a second-stage conveying platform (3); a first-stage cylinder (4) is provided at the left side of the tail end of the first-stage conveying platform (2); the first-stage cylinder (4) is installed on the workbench (1); the piston rod of the first-stage cylinder (4) is connected to a first-stage push plate (5); a weighing platform (6) is provided at the right side of the tail end of the first-stage conveying platform (2); the weighing platform (6) is installed on the workbench (1); a second-stage cylinder (7) is provided at the front side of the weighing platform (6); the second-stage cylinder (7) is installed on the workbench (1); the piston rod of the second-stage cylinder (7) is connected to a second-stage push plate (8); a storage hopper (9) is provided above the weighing platform (6); an electric control valve (10) is installed at the bottom of the storage hopper (9); a discharge port (11) is connected to the bottom of the electric control valve (10); and a material equalization component (12) is connected to the discharge port (11); The material distribution component (12) comprises a moving frame (121), the inner wall of the moving frame (121) is provided with a limiting slide groove (122), the limiting slide groove (122) is slidably connected to the material discharge port (11) through a limiting slider, a driving motor (123) is installed on the outer wall of the material discharge port (11), the output end of the driving motor (123) is connected to a screw rod (124), the screw rod (124) is threadedly connected to the moving frame (121), and the bottom of the moving frame (121) is fixedly connected to a material guide hopper (125).

2. The automatic weighing machine for packing according to claim 1, characterized in that: Support legs (13) are fixedly connected to the four corners of the bottom of the workbench (1).

3. The automatic weighing machine for packing according to claim 1, characterized in that: The primary conveying platform (2) and the secondary conveying platform (3) are both composed of a primary motor (21), a driving roller (22), a driven roller (23), and a conveyor belt (24); the primary motor (21) is connected to the driving roller (22) via a motor shaft; and the conveyor belt (24) is connected between the driving roller (22) and the driven roller (23).

4. The automatic weighing machine for packing according to claim 1, characterized in that: A primary through groove (14) and a secondary through groove (15) are respectively provided at positions on the workbench (1) corresponding to the primary conveying platform (2) and the secondary conveying platform (3), and a groove (16) is provided at a position on the top of the workbench (1) corresponding to the weighing platform (6).

5. The automatic weighing machine for packing according to claim 1, characterized in that: Baffles (17) are provided on both sides of the primary conveying platform (2) and the secondary conveying platform (3).

6. The automatic weighing machine for packing according to claim 1, characterized in that: A cover plate (18) is provided on the top of the storage hopper (9), and the cover plate (18) is connected to the storage hopper (9) via a hinge.

7. The automatic weighing machine for packing according to claim 1, characterized in that: A threaded hole (19) is provided on the moving frame (121) at a position corresponding to the screw rod (124); the threaded hole (19) is threadedly connected to the screw rod (124); and a blocking block (20) is connected to one end of the screw rod (124) away from the driving motor (123).

Images