Automatic error correction device for net weight of powder packaging bag

Abstract

The utility model discloses a powder packaging bag net weight automatic error correction device, and relates to the technical field of powder packaging net weight error correction. A powder bag is arranged at the top end of the conveying belt; a positioning frame is arranged at the top end of the conveying belt; the top end of the positioning frame is fixedly connected with a transfer pump; a powder bag is conveyed to the position below a positioning frame through a conveying belt, a weighing device starts a first electric push rod to enable a weighing plate to slide downwards, net weight detection is conducted on the powder bag through cooperation of the first electric push rod and the weighing plate, if the net weight of the powder bag is disqualified, a material pumping pump is started, the material pumping pump can convey powder to a telescopic suction head, and the telescopic suction head is used for sucking the powder. And the powder is discharged into the powder bag from the telescopic suction head, or the powder in the powder bag is extracted through the telescopic suction head, so that error correction can be conveniently performed on the net weight of the powder bag, the powder bag is conveyed through the conveying belt after error correction, and the efficiency of detecting and correcting the net weight of the powder bag is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of net weight error correction for powder packaging, in particular to a net weight automatic error correction device for a powder packaging bag. Background Art

[0002] The powder packaging machine is suitable for fully automatic metering and packaging of various uniform particles and powders. It can automatically complete the entire packaging process including metering, bag making, packaging, sealing, printing, counting, etc. It is equipped with automatic material level control and optional static electricity removal and dust collection devices.

[0003] During the production process of powder products, the powder packaging bag needs to be opened, the powder is conveyed into the packaging bag through the powder filling device, and then the net weight of the powder packaging bag is tested to check whether the net weight of the packaging bag is qualified.

[0004] In the prior art, after the powder product is processed, it is necessary to conduct a net weight test to avoid unqualified net weight. However, if the net weight is unqualified, the unqualified product needs to be taken out manually and the net weight of the product needs to be corrected again. This method is inefficient and inconvenient for large-scale production. Here we provide a net weight automatic correction device for powder packaging bags. Utility Model Content

[0005] The utility model aims to provide a device for automatically correcting the net weight of a powder packaging bag, so as to solve the technical problem of low efficiency of manually correcting the net weight in the prior art.

[0006] The technical problem to be solved by the utility model can be achieved through the following technical solutions:

[0007] A device for automatically correcting the net weight of a powder packaging bag comprises a conveyor belt; a powder bag is provided at the top of the conveyor belt; a positioning frame is provided at the top of the conveyor belt; a material extraction pump is fixedly connected to the top of the positioning frame; a telescopic suction head is connected to the bottom of the material extraction pump, and a powder bag is provided below the telescopic suction head; a weighing device is fixedly connected to the top of the positioning frame; a No. 1 electric push rod is fixedly connected to the bottom of the positioning frame; and a weighing plate is fixedly connected to the bottom of the No. 1 electric push rod.

[0008] As a further solution of the utility model: the bottom end of the weighing plate is fixedly connected to an electronic fixture; the side end of the electronic fixture is fixedly connected to a positioning clamp; the side end of the positioning clamp is fixedly connected to an anti-skid rubber, and a powder bag is provided on one side of the anti-skid rubber.

[0009] As a further solution of the utility model: a No. 2 electric push rod is fixedly connected to the bottom end of the positioning frame; a positioning ring is fixedly connected to the side end of the No. 2 electric push rod, and a telescopic suction head is connected to the interior of the positioning ring.

[0010] As a further solution of the utility model: a limit plate is installed at the side end of the conveyor belt; and a plurality of groups of conveying rotating rods are rotatably connected inside the limit plate.

[0011] As a further solution of the utility model: a material pipe is fixedly connected to the side end of the material extraction pump; a positioning frame is fixedly connected to the side end of the positioning frame; and a collection box is slidably connected to the interior of the positioning frame.

[0012] As a further solution of the utility model: a limit baffle is installed on the top end of the conveyor belt, a magnet sheet is fixedly connected to the bottom end of the limit baffle, and the magnet sheet corresponds to the conveyor belt.

[0013] The beneficial effects of the utility model are as follows: the powder bag is conveyed to the bottom of the positioning frame by the conveyor belt, the weighing device starts the No. 1 electric push rod to make the weighing plate slide downward, and the net weight of the powder bag is detected by the cooperation of the No. 1 electric push rod and the weighing plate. If the net weight of the powder bag is found to be unqualified, the extraction pump is started, and the extraction pump can convey the powder to the telescopic suction head, and the powder is then discharged from the telescopic suction head into the interior of the powder bag, or the powder inside the powder bag is extracted by the telescopic suction head, so that the net weight of the powder bag can be conveniently corrected, and after correction, it is transported by the conveyor belt, thereby improving the efficiency of net weight detection and correction of the powder bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the telescopic suction head structure in the utility model;

[0017] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle;

[0018] In the figure: 1. Conveyor belt; 2. Limit plate; 3. Conveying rotating rod; 4. Positioning frame; 5. Extraction pump; 6. Weighing device; 7. Powder bag; 8. Telescopic suction head; 9. No. 1 electric push rod; 10. Weighing plate; 11. Electronic clamp; 12. Positioning splint; 13. Anti-slip rubber; 14. No. 2 electric push rod; 15. Positioning ring; 17. Collection box; 18. Material pipe; 19. Positioning frame; 20. Limit baffle. DETAILED DESCRIPTION

[0019] 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 of 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.

[0020] like Figure 1-Figure 3 As shown, a device for automatically correcting the net weight of a powder packaging bag comprises a conveyor belt 1; a powder bag 7 is provided at the top of the conveyor belt 1; a positioning frame 4 is provided at the top of the conveyor belt 1; a suction pump 5 is fixedly connected to the top of the positioning frame 4; a telescopic suction head 8 is connected to the bottom of the suction pump 5, and a powder bag 7 is provided below the telescopic suction head 8; a weighing device 6 is fixedly connected to the top of the positioning frame 4; a No. 1 electric push rod 9 is fixedly connected to the bottom of the positioning frame 4; a weighing plate 10 is fixedly connected to the bottom of the No. 1 electric push rod 9.

[0021] The staff places the powder bag 7 filled with powder on the conveyor belt 1, and the powder bag 7 is transported to the bottom of the positioning frame 4 through the conveyor belt 1, and the weighing device 6 is started. The weighing device 6 starts the No. 1 electric push rod 9 to slide the weighing plate 10 downward, and the net weight of the powder bag 7 is detected by the cooperation of the No. 1 electric push rod 9 and the weighing plate 10. If the net weight of the powder bag 7 is found to be unqualified, the extraction pump 5 is started, and the extraction pump 5 can convey the powder to the telescopic suction head 8, and the powder is then discharged from the telescopic suction head 8 to the inside of the powder bag 7, or the powder inside the powder bag 7 is extracted through the telescopic suction head 8, so that the net weight of the powder bag 7 can be conveniently corrected, and then conveyed through the conveyor belt 1 after correction.

[0022] The bottom end of the weighing plate 10 is fixedly connected to an electronic fixture 11; the side end of the electronic fixture 11 is fixedly connected to a positioning clamp 12; the side end of the positioning clamp 12 is fixedly connected to an anti-skid rubber 13, and a powder bag 7 is provided on one side of the anti-skid rubber 13.

[0023] When the powder bag 7 is tested for net weight, the weighing device 6 needs to start the No. 1 electric push rod 9 and the electronic clamp 11. The No. 1 electric push rod 9 moves the positioning clamp 12 to one side of the powder bag 7. The electronic clamp 11 makes the positioning clamp 12 slide to clamp and fix the powder bag 7. Then the No. 1 electric push rod 9 makes the weighing plate 10 slide upward to test the net weight of the powder bag 7. The data detected by the weighing plate 10 is transmitted to the weighing device 6. The weighing plate 10 and the weighing device 6 are connected by wires. The weighing device 6 then transmits the data to the computer for judgment. The side end of the positioning clamp 12 is provided with an anti-slip rubber 13. The anti-slip rubber 13 is made of rubber material. The anti-slip rubber 13 can improve the anti-slip effect of the positioning clamp 12 on the powder bag 7.

[0024] A second electric push rod 14 is fixedly connected to the bottom end of the positioning frame 4 ; a positioning ring 15 is fixedly connected to the side end of the second electric push rod 14 , and a telescopic suction head 8 is connected to the interior of the positioning ring 15 .

[0025] The powder bag 7 is moved to the bottom of the telescopic suction head 8 through the conveyor belt 1. If the net weight inside the powder bag 7 exceeds the specified value, the second electric push rod 14 can slide the positioning ring 15 downward first, so that the telescopic suction head 8 extends to the inside of the powder bag 7, and the powder inside the powder bag 7 is extracted by the extraction pump 5, so that the net weight inside the powder bag 7 reaches the specified value.

[0026] A limit plate 2 is installed at the side end of the conveyor belt 1; and a plurality of conveying rotating rods 3 are rotatably connected inside the limit plate 2.

[0027] The powder bag 7 needs to be transported by the conveyor belt 1. The limiting plate 2 can limit the position of the powder bag 7 to prevent the powder bag 7 from shaking and tipping over during transportation. The powder bag 7 will touch the conveying rotating rod 3 when moving on the conveyor belt 1. The rotation of the conveying rotating rod 3 can facilitate the transportation of the powder bag 7 and avoid wear between the inner side wall of the limiting plate 2 and the powder bag 7.

[0028] A material pipe 18 is fixedly connected to the side end of the material extraction pump 5 ; a positioning frame 19 is fixedly connected to the side end of the positioning frame 4 ; and a collecting box 17 is slidably connected inside the positioning frame 19 .

[0029] The positioning frame 19 can limit the position of the collecting box 17. When the powder inside the powder bag 7 is overweight, it can be drawn out to the material pipe 18 through the telescopic suction head 8. The powder is transported to the internal storage of the collecting box 17 through the material pipe 18, and the staff can handle the powder inside the collecting box 17 in a unified manner.

[0030] A limit baffle 20 is installed at the top end of the conveyor belt 1, and a magnet sheet is fixedly connected to the bottom end of the limit baffle 20, and the magnet sheet corresponds to the conveyor belt 1.

[0031] The powder bag 7 may shake during transportation on the conveyor belt 1. The limiting plate 2 can limit the two ends of the powder bag 7. Before work, the limiting baffle 20 is placed at the two ends of the powder bag 7. An iron bar is installed inside the conveyor belt 1. A magnet sheet is provided at the bottom end of the limiting baffle 20. The iron bar inside the conveyor belt 1 is adsorbed by the magnet sheet. Therefore, the position of the powder bag 7 is limited by the limiting baffle 20 to avoid tipping.

[0032] The working principle of the utility model is as follows: the powder bag 7 needs to be transported through the conveyor belt 1, the limit plate 2 can limit the position of the powder bag 7 to prevent the powder bag 7 from shaking and tipping over during the transportation process, the powder bag 7 moves on the conveyor belt 1 and touches the conveying rotating rod 3, the rotation of the conveying rotating rod 3 can facilitate the transportation of the powder bag 7 and avoid the inner side wall of the limit plate 2 and the powder bag 7 from being worn; the staff puts the powder bag 7 filled with powder on the conveyor belt 1, the powder bag 7 is transported to the bottom of the positioning frame 4 through the conveyor belt 1, and the weighing device 6 is started, and the weighing device 6 starts the No. 1 electric push rod 9 to make the weighing plate 10 slide downward, through the No. 1 electric push rod 9 and the weighing plate 10 The net weight of the powder bag 7 is detected by the cooperation of the pump 5. If the net weight of the powder bag 7 is found to be unqualified, the pump 5 is started. The pump 5 can transport the powder to the telescopic suction head 8, and the powder is discharged from the telescopic suction head 8 to the inside of the powder bag 7, or the powder inside the powder bag 7 is extracted by the telescopic suction head 8, which can facilitate the correction of the net weight of the powder bag 7, and then transport it through the conveyor belt 1 after correction; the second electric push rod 14 can slide the positioning ring 15 downward first, so that the telescopic suction head 8 extends to the inside of the powder bag 7, and the powder inside the powder bag 7 is extracted by the pump 5, so that the net weight inside the powder bag 7 reaches the specified value; when the net weight of the powder bag 7 is detected, the weighing device 6 needs to start a The first electric push rod 9 and the electronic clamp 11, the first electric push rod 9 moves the positioning clamp 12 to one side of the powder bag 7, the electronic clamp 11 makes the positioning clamp 12 slide to clamp and fix the powder bag 7, and then the first electric push rod 9 makes the weighing plate 10 slide upward to detect the net weight of the powder bag 7, and the data detected by the weighing plate 10 is transmitted to the weighing device 6, the weighing plate 10 and the weighing device 6 are connected by wires, and the weighing device 6 then transmits the data to the computer for judgment, and the side end of the positioning clamp 12 is provided with an anti-skid rubber 13, the anti-skid rubber 13 is made of rubber material, and the anti-skid effect of the positioning clamp 12 on the powder bag 7 can be improved by the anti-skid rubber 13; the powder bag 7 is conveyed During the conveying process on the belt 1, jitter may occur. The limit plate 2 can limit the two ends of the powder bag 7. Before work, the limit baffle 20 is placed at the two ends of the powder bag 7. An iron bar is installed inside the conveyor belt 1. A magnet sheet is provided at the bottom end of the limit baffle 20. The iron bar inside the conveyor belt 1 is adsorbed by the magnet sheet, so the position of the powder bag 7 is limited by the limit baffle 20 to avoid tipping; the positioning frame 19 can limit the position of the collecting box 17. When the powder inside the powder bag 7 is overweight, it can be drawn out to the material pipe 18 through the telescopic suction head 8. The powder is transported to the internal storage of the collecting box 17 through the material pipe 18, and the staff can uniformly handle the powder inside the collecting box 17.

[0033] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A device for automatically correcting the net weight of powder packaging bags. It is characterized in that The invention comprises a conveyor belt (1); a powder bag (7) is provided at the top of the conveyor belt (1); a positioning frame (4) is provided at the top of the conveyor belt (1); a material extraction pump (5) is fixedly connected to the top of the positioning frame (4); a telescopic suction head (8) is connected to the bottom of the material extraction pump (5), and a powder bag (7) is provided below the telescopic suction head (8); a weighing device (6) is fixedly connected to the top of the positioning frame (4); a No. 1 electric push rod (9) is fixedly connected to the bottom of the positioning frame (4); a weighing plate (10) is fixedly connected to the bottom of the No. 1 electric push rod (9).

2. The automatic error correction device for net weight of powder packaging bags according to claim 1, It is characterized in that The bottom end of the weighing plate (10) is fixedly connected to an electronic fixture (11); the side end of the electronic fixture (11) is fixedly connected to a positioning clamp (12); the side end of the positioning clamp (12) is fixedly connected to an anti-skid rubber (13), and a powder bag (7) is provided on one side of the anti-skid rubber (13).

3. The automatic error correction device for net weight of powder packaging bags according to claim 2, It is characterized in that A second electric push rod (14) is fixedly connected to the bottom end of the positioning frame (4); a positioning ring (15) is fixedly connected to the side end of the second electric push rod (14), and a telescopic suction head (8) is connected inside the positioning ring (15).

4. The automatic error correction device for net weight of powder packaging bag according to claim 3, It is characterized in that A limit plate (2) is installed at the side end of the conveyor belt (1); the interior of the limit plate (2) is rotatably connected to multiple groups of conveying rotating rods (3).

5. The automatic error correction device for net weight of powder packaging bag according to claim 4, It is characterized in that A material pipe (18) is fixedly connected to the side end of the material extraction pump (5); a positioning frame (19) is fixedly connected to the side end of the positioning frame (4); and a collection box (17) is slidably connected inside the positioning frame (19).

6. The automatic error correction device for net weight of powder packaging bags according to claim 5, It is characterized in that A limit baffle (20) is installed at the top end of the conveyor belt (1), and a magnet sheet is fixedly connected to the bottom end of the limit baffle (20), and the magnet sheet corresponds to the conveyor belt (1).

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