Conveying anti-blocking mechanism for weighing machine and using method

Abstract

The conveying anti-blocking mechanism comprises a base, an anti-blocking feeding mechanism, a material guiding mechanism, a material weighing base disc, a material weighing clamping mechanism and an auxiliary material supplementing mechanism, one side of the material weighing base disc is fixedly connected with a material weighing scale and a digital display screen, the material weighing base disc is rotationally connected with the base, the material weighing scale is electrically connected with the digital display screen, and the digital display screen is electrically connected with the anti-blocking feeding mechanism. The anti-blocking feeding mechanism comprises a feeding port, a feeding anti-blocking mechanism and an anti-blocking driving mechanism, the base is fixedly connected with the feeding port, the feeding anti-blocking mechanism is movably connected with the feeding port, and the anti-blocking driving mechanism is fixedly connected with the feeding port. Through continuous rotation of the feeding anti-blocking mechanism in the feeding process, materials can continuously move in the feeding port, the problem that the materials stop in the anti-blocking feeding mechanism to cause blockage of the anti-blocking feeding mechanism is solved, and the problem that the weighing work of the weighing machine is affected by material blockage is effectively solved.

Description

Technical Field

[0001] The invention relates to the technical field of a weighing machine anti-blocking mechanism and its use, and in particular to a conveying anti-blocking mechanism for a weighing machine and a use method thereof. Background Art

[0002] Weigh feeder and feeder are both general terms. Weigh feeder is based on feeder with weighing metering control system and accessories. There are many types of feeders, such as vibrating feeder, reciprocating feeder, disc feeder, screw feeder, plate feeder, scraper feeder, belt feeder, impeller feeder (also called star discharger), etc. The difference is that feeder is a machine used in industry to transport materials, while weigh feeder is based on transporting materials with quantitative, weighing and batching. Weigh feeder is installed with more load cells, speed sensors, control instruments, PLC (optional), etc. than feeder.

[0003] There are many types of weigh feeders, and the type of weigh feeder to be used is determined by the materials that need to be weighed and measured on site. Belt weigh feeders are used for granular and small block materials; spiral weigh feeders are used for powder materials; loss-in-weight weigh feeders are suitable for weighing and measuring materials with high precision; loss-in-weight weigh feeders and loss-in-weight weigh feeders have similar working modes. The demand for refined operations in the weighing and metering batching equipment market has increased, which allows the advantages of accurate and stable weigh feeders to be fully utilized.

[0004] When the weighing machine of the prior art is used to feed materials through the feeding device, the materials are often blocked in the feeding device, which affects the normal feeding of the materials and the weighing work of the weighing machine. Summary of the invention

[0005] The object of the present invention is to provide a conveying anti-blocking mechanism for a weighing machine and a method of use, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a conveying anti-blocking mechanism for a weighing machine, comprising a base, an anti-blocking feeding mechanism, a material guiding mechanism, a weighing base plate, a weighing clamping mechanism and an auxiliary feeding mechanism: a weighing scale and a digital display screen are fixedly connected to one side of the weighing base plate, the weighing base plate is rotatably connected to the base, the weighing scale is electrically connected to the digital display screen, the anti-blocking feeding mechanism comprises a feeding port, a feeding anti-blocking mechanism and an anti-blocking driving mechanism, the base is fixedly connected to the feeding port, the feeding anti-blocking mechanism is movably connected to the feeding port, the anti-blocking driving mechanism is fixedly connected to the feeding port, and the anti-blocking driving mechanism is movably connected to the feeding anti-blocking mechanism.

[0007] As a further scheme of the present invention: a conveying anti-blocking mechanism for a weighing machine, the feeding anti-blocking mechanism comprises a mechanism rotating base shaft, a feeding combing bent rod, a connecting base shaft and a driving rubber ring, a rubber wheel positioning rod and a friction rubber wheel are arranged in the anti-blocking driving mechanism, one end of the mechanism rotating base shaft is rotatably connected to the feeding port, the end of the mechanism rotating base shaft away from the feeding port is fixedly connected to the feeding combing bent rod, the side of the feeding combing bent rod away from the mechanism rotating base shaft is fixedly connected to the connecting base shaft, the end of the connecting base shaft away from the feeding combing bent rod is fixedly connected to the driving rubber ring, the rubber wheel positioning rod is fixedly connected to the feeding port, the friction rubber wheel is rotatably connected to the rubber wheel positioning rod, the friction rubber wheel is movably connected to the driving rubber ring, and a feeding leakage groove is provided inside the driving rubber ring.

[0008] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, wherein the interior of the weighing base is rotatably connected to an active bevel gear, the outer side of the active bevel gear is meshingly connected to a driven bevel gear, one end of the driven bevel gear is fixedly connected to a lead screw, the outer side of the lead screw is movably connected to a lead screw nut, one side of the lead screw nut is fixedly connected to an auxiliary clamping plate, one side of the auxiliary clamping plate is fixedly connected to a clamping base plate, and the clamping base plate is movably connected to the weighing scale.

[0009] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, the weighing clamping mechanism includes a clamping base plate, a spring fixing plate, a clamping spring and a weighing clamping plate, the clamping base plate is fixedly connected to the weighing base plate, the spring fixing plate is fixedly connected to the clamping base plate, one end of the clamping spring is fixedly connected to the spring fixing plate, and one end of the clamping spring away from the spring fixing plate passes through the clamping base plate and is fixedly connected to the weighing clamping plate.

[0010] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, one side of the rubber wheel positioning rod is fixedly connected to a rubber wheel auxiliary rod, one side of the rubber wheel auxiliary rod is fixedly connected to a servo motor, and the output end of the servo motor passes through the rubber wheel auxiliary rod and is fixedly connected to the friction rubber wheel.

[0011] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, the auxiliary feeding mechanism includes an auxiliary feeding barrel and a feeding barrel fixing frame, the feeding barrel fixing frame is fixedly connected to the base, the auxiliary feeding barrel is fixedly connected to the feeding barrel fixing frame, and the output end of the feeding barrel fixing frame faces the weighing scale.

[0012] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, the weighing scales and digital display screens are provided with six groups, and the six groups of weighing scales and digital display screens are evenly distributed on one side of the weighing base plate in a circular array with the geometric center of the weighing base plate as the center.

[0013] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, the weighing clamping mechanism is provided with two groups, and the two groups of the weighing clamping mechanism are respectively arranged on both sides of the weighing scale.

[0014] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, one side of the rubber wheel auxiliary rod is fixedly connected to a servo motor protection cover, and the servo motor protection cover is sleeved on the outside of the servo motor.

[0015] As a further solution of the present invention: a method for using a conveying anti-blocking mechanism for a weighing machine, the method comprising:

[0016] Step S1: driving the servo motor to rotate and drive the friction rubber wheel to rotate, the friction rubber wheel rotates and then drives the driving rubber ring to rotate, the driving rubber ring rotates and then drives the feeding combing bending rod and the mechanism rotation base shaft to rotate, so that the feeding anti-blocking mechanism can move inside the feeding port;

[0017] Step S2: placing a weighing bag on the weighing scale, allowing the material to fall from the weighing scale into the weighing bag for weighing, and displaying the weight of the weighing bag on the weighing scale on a digital display screen;

[0018] Step S3: the weighing base plate rotates so that materials fall into the weighing bags above each weighing scale and are weighed;

[0019] Step S4: the auxiliary feeding bucket works to feed the insufficiently fed material bags to ensure that the weights of the weighing bags are the same.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The continuous rotation of the anti-blocking mechanism during the feeding process can make the material move uninterruptedly inside the feeding port, avoiding the problem of material stagnation in the anti-blocking feeding mechanism causing blockage of the anti-blocking feeding mechanism, and effectively solving the problem of material blockage affecting the weighing work of the weighing machine;

[0022] 2. By adding materials into the weighing bag on the weighing scale through the auxiliary feeding bucket, the weight of each weighing bag can be made consistent, avoiding the problem of different weights of weighing bags caused by uneven feeding, and ensuring the weighing standard of the weighing bag;

[0023] 3. On the one hand, the material bag can be placed firmly on the weighing scale by the coordinated use of the clamping base plate, spring fixing plate, clamping spring and material clamping plate inside the material clamping mechanism. On the other hand, the material bag can be further firmly clamped by the movement of the clamping base plate to avoid the problem of leakage during feeding due to the skewness of the material bag, thereby improving the feeding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a structural schematic diagram of the anti-blocking feeding mechanism of the present invention;

[0026] Figure 3 It is a structural schematic diagram of the feeding anti-blocking mechanism of the present invention;

[0027] Figure 4 It is a structural schematic diagram of the weighing base plate of the present invention;

[0028] Figure 5 It is a structural schematic diagram of the material weighing and clamping mechanism of the present invention;

[0029] Figure 6 It is an enlarged view of A of the present invention;

[0030] Figure 7 It is an enlarged view of B of the present invention;

[0031] In the figure: 1. base; 2. anti-blocking feeding mechanism; 21. feeding port; 3. material guiding mechanism; 4. weighing base plate; 41. driving bevel gear; 42. driven bevel gear; 43. lead screw; 44. lead screw nut; 45. auxiliary clamping plate; 46. clamping base plate; 5. weighing clamping mechanism; 51. clamping base plate; 52. spring fixing plate; 53. clamping spring; 54. weighing clamping plate; 6. auxiliary feeding mechanism; 61. auxiliary feeding bucket; 62. feeding bucket fixing frame; 7. feeding anti-blocking mechanism; 71. mechanism rotating base shaft; 72. feeding combing bending rod; 73. connecting base shaft; 74. driving rubber ring; 75. feeding leakage slot; 8. anti-blocking driving mechanism; 81. rubber wheel positioning rod; 82. friction rubber wheel; 83. servo motor; 84. servo motor protection cover; 85. rubber wheel auxiliary rod; 9. weighing scale; 10. digital display screen. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of an embodiment of the present invention based on the overall structure of the present invention.

[0034] See also Figures 1 to 7 In an embodiment of the present invention, a conveying anti-blocking mechanism for a weighing machine includes a base 1, an anti-blocking feeding mechanism 2, a material guiding mechanism 3, a weighing base plate 4, a weighing clamping mechanism 5 and an auxiliary feeding mechanism 6: a weighing scale 9 and a digital display screen 10 are fixedly connected to one side of the weighing base plate 4, the weighing base plate 4 is rotatably connected to the base 1, the weighing scale 9 is electrically connected to the digital display screen 10, the anti-blocking feeding mechanism 2 includes a feeding port 21, a feeding anti-blocking mechanism 7 and an anti-blocking driving mechanism 8, the base 1 is fixedly connected to the feeding port 21, the feeding anti-blocking mechanism 7 is movably connected to the feeding port 21, the anti-blocking driving mechanism 8 is fixedly connected to the feeding port 21, and the anti-blocking driving mechanism 8 is movably connected to the feeding anti-blocking mechanism 7.

[0035] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, the feeding anti-blocking mechanism 7 includes a mechanism rotating base shaft 71, a feeding combing bent rod 72, a connecting base shaft 73 and a driving rubber ring 74, a rubber wheel positioning rod 81 and a friction rubber wheel 82 are provided in the anti-blocking driving mechanism 8, one end of the mechanism rotating base shaft 71 is rotatably connected to the feeding port 21, the end of the mechanism rotating base shaft 71 away from the feeding port 21 is fixedly connected to the feeding combing bent rod 72, the side of the feeding combing bent rod 72 away from the mechanism rotating base shaft 71 is fixedly connected to the connecting base shaft 73, the end of the connecting base shaft 73 away from the feeding combing bent rod 72 is fixedly connected to the driving rubber ring 74, the rubber wheel positioning rod 81 is fixedly connected to the feeding port 21, the friction rubber wheel 82 is rotatably connected to the rubber wheel positioning rod 81, the friction rubber wheel 82 is movably connected to the driving rubber ring 74, and a feeding leakage groove 75 is opened inside the driving rubber ring 74.

[0036] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, wherein the interior of the weighing base plate 4 is rotatably connected to an active bevel gear 41, the outer side of the active bevel gear 41 is meshingly connected to a driven bevel gear 42, one end of the driven bevel gear 42 is fixedly connected to a lead screw 43, the outer side of the lead screw 43 is movably connected to a lead screw nut 44, one side of the lead screw nut 44 is fixedly connected to an auxiliary clamping plate 45, one side of the auxiliary clamping plate 45 is fixedly connected to a clamping base plate 46, and the clamping base plate 46 is movably connected to the weighing scale 9.

[0037] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, the weighing clamping mechanism 5 includes a clamping base plate 51, a spring fixing plate 52, a clamping spring 53 and a weighing clamping plate 54, the clamping base plate 51 is fixedly connected to the weighing base plate 4, the spring fixing plate 52 is fixedly connected to the clamping base plate 51, one end of the clamping spring 53 is fixedly connected to the spring fixing plate 52, and the end of the clamping spring 53 away from the spring fixing plate 52 passes through the clamping base plate 51 and is fixedly connected to the weighing clamping plate 54.

[0038] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, one side of the rubber wheel positioning rod 81 is fixedly connected to a rubber wheel auxiliary rod 85, one side of the rubber wheel auxiliary rod 85 is fixedly connected to a servo motor 83, and the output end of the servo motor 83 passes through the rubber wheel auxiliary rod 85 and is fixedly connected to the friction rubber wheel 82.

[0039] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, the auxiliary feeding mechanism 6 includes an auxiliary feeding barrel 61 and a feeding barrel fixing frame 62, the feeding barrel fixing frame 62 is fixedly connected to the base 1, the auxiliary feeding barrel 61 is fixedly connected to the feeding barrel fixing frame 62, and the output end of the feeding barrel fixing frame 62 faces the weighing scale 9.

[0040] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, the weighing scales 9 and the digital display screens 10 are each provided with six groups, and the six groups of weighing scales 9 and the digital display screens 10 are evenly distributed on one side of the weighing base plate 4 in a circular array with the geometric center of the weighing base plate 4 as the center.

[0041] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, the weighing clamping mechanism 5 is provided with two groups, and the two groups of the weighing clamping mechanism 5 are respectively arranged on both sides of the weighing scale 9.

[0042] As a further solution of the present invention: a conveying anti-blocking mechanism for a weighing machine, one side of the rubber wheel auxiliary rod 85 is fixedly connected with a servo motor protection cover 84, and the servo motor protection cover 84 is sleeved on the outside of the servo motor 83.

[0043] As a further solution of the present invention: a method for using a conveying anti-blocking mechanism for a weighing machine, the method comprising:

[0044] Step S1: driving the servo motor 83 to rotate and drive the friction rubber wheel 82 to rotate, the friction rubber wheel 82 rotates and then drives the driving rubber ring 74 to rotate, and then drives the feeding combing curved rod 72 and the mechanism rotating base shaft 71 to rotate, so that the feeding anti-blocking mechanism 7 can move inside the feeding port 21. Through the continuous rotation of the feeding anti-blocking mechanism 7 during the feeding process, the material can move uninterruptedly inside the feeding port 21, avoiding the problem of stagnation of the material in the anti-blocking feeding mechanism 2 causing the anti-blocking feeding mechanism 2 to be blocked, and effectively solving the problem of material blockage affecting the weighing work of the weighing machine;

[0045] Step S2: placing a weighing bag on the weighing scale 9, allowing the material to fall from the weighing scale 9 into the weighing bag for weighing, and displaying the weight of the weighing bag on the weighing scale 9 on the digital display screen 10;

[0046] Step S3: the weighing base plate 4 rotates so that materials fall into the weighing bags above each weighing scale 9 and are weighed;

[0047] Step S4: the auxiliary feeding barrel 61 works to feed the insufficiently fed material bags to ensure that the weights of the weighing bags are the same.

[0048] The working principle of the present invention is: when the weighing machine of the prior art is used to feed materials using the feeding device, the material often gets stuck in the feeding device, which affects the normal feeding of the material and the weighing work of the weighing machine;

[0049] The present application allows the material to move uninterruptedly inside the feeding port 21 by continuously rotating the feeding anti-blocking mechanism 7 during the feeding process, thereby preventing the material from stagnating in the anti-blocking feeding mechanism 2 and causing the anti-blocking feeding mechanism 2 to be blocked, and effectively solves the problem of material blockage affecting the weighing operation of the weighing machine;

[0050] At the same time, the auxiliary feeding barrel 61 is used to feed the weighing bag on the weighing scale 9, so that the weight of each weighing bag can be consistent, avoiding the problem of different weights of the weighing bags caused by uneven feeding, and ensuring the weighing standard of the weighing bags;

[0051] Furthermore, on the one hand, the material bag can be stably placed on the material weighing scale 9 by the coordinated use of the clamping base plate 51, the spring fixing plate 52, the clamping spring 53 and the material clamping plate 54 inside the material clamping mechanism 5; on the other hand, the material bag can be further firmly clamped by the movement of the clamping base plate 46, thereby avoiding the problem of leakage during feeding due to the tilt of the material bag and improving the feeding quality.

[0052] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A conveying anti-blocking mechanism for a weighing machine, comprising a base (1), an anti-blocking feeding mechanism (2), a material guiding mechanism (3), a weighing base plate (4), a weighing clamping mechanism (5) and an auxiliary feeding mechanism (6), characterized in that: A weighing scale (9) and a digital display screen (10) are fixedly connected to one side of the weighing base (4); the weighing base (4) is rotatably connected to the base (1); the weighing scale (9) is electrically connected to the digital display screen (10); the anti-blocking feeding mechanism (2) comprises a feeding port (21), a feeding anti-blocking mechanism (7) and an anti-blocking driving mechanism (8); the base (1) is fixedly connected to the feeding port (21); the feeding anti-blocking mechanism (7) is movably connected to the feeding port (21); the anti-blocking driving mechanism (8) is fixedly connected to the feeding port (21); and the anti-blocking driving mechanism (8) is movably connected to the feeding anti-blocking mechanism (7).

2. A conveying anti-blocking mechanism for a weighing machine according to claim 1, characterized in that: The feeding anti-blocking mechanism (7) comprises a mechanism rotating base shaft (71), a feeding combing curved rod (72), a connecting base shaft (73) and a driving rubber ring (74); a rubber wheel positioning rod (81) and a friction rubber wheel (82) are arranged in the anti-blocking driving mechanism (8); one end of the mechanism rotating base shaft (71) is rotatably connected to the feeding port (21); one end of the mechanism rotating base shaft (71) away from the feeding port (21) is fixedly connected to the feeding combing curved rod (72); the feeding combing curved rod (72) The side away from the mechanism rotation base shaft (71) is fixedly connected to the connection base shaft (73), the end of the connection base shaft (73) away from the feeding combing bending rod (72) is fixedly connected to the driving rubber ring (74), the rubber wheel positioning rod (81) is fixedly connected to the feeding port (21), the friction rubber wheel (82) is rotationally connected to the rubber wheel positioning rod (81), the friction rubber wheel (82) is movably connected to the driving rubber ring (74), and a feeding leakage groove (75) is provided inside the driving rubber ring (74).

3. A conveying anti-blocking mechanism for a weighing machine according to claim 2, characterized in that: The inside of the weighing base plate (4) is rotatably connected to a driving bevel gear (41), the outside of the driving bevel gear (41) is meshingly connected to a driven bevel gear (42), one end of the driven bevel gear (42) is fixedly connected to a lead screw (43), the outside of the lead screw (43) is movably connected to a lead screw nut (44), one side of the lead screw nut (44) is fixedly connected to an auxiliary clamping plate (45), one side of the auxiliary clamping plate (45) is fixedly connected to a clamping base plate (46), and the clamping base plate (46) is movably connected to the weighing scale (9).

4. A conveying anti-blocking mechanism for a weighing machine according to claim 3, characterized in that: The material weighing clamping mechanism (5) comprises a clamping base plate (51), a spring fixing plate (52), a clamping spring (53) and a material weighing clamping plate (54); the clamping base plate (51) is fixedly connected to the material weighing base plate (4); the spring fixing plate (52) is fixedly connected to the clamping base plate (51); one end of the clamping spring (53) is fixedly connected to the spring fixing plate (52); and one end of the clamping spring (53) away from the spring fixing plate (52) passes through the clamping base plate (51) and is fixedly connected to the material weighing clamping plate (54).

5. The anti-blocking mechanism for conveying a weighing machine according to claim 4, characterized in that: One side of the rubber wheel positioning rod (81) is fixedly connected to a rubber wheel auxiliary rod (85), one side of the rubber wheel auxiliary rod (85) is fixedly connected to a servo motor (83), and the output end of the servo motor (83) passes through the rubber wheel auxiliary rod (85) and is fixedly connected to the friction rubber wheel (82).

6. A conveying anti-blocking mechanism for a weighing machine according to claim 5, characterized in that: The auxiliary feeding mechanism (6) comprises an auxiliary feeding barrel (61) and a feeding barrel fixing frame (62), wherein the feeding barrel fixing frame (62) is fixedly connected to the base (1), the auxiliary feeding barrel (61) is fixedly connected to the feeding barrel fixing frame (62), and the output end of the feeding barrel fixing frame (62) faces the weighing scale (9).

7. A conveying anti-blocking mechanism for a weighing machine according to claim 6, characterized in that: The material weighing scales (9) and digital display screens (10) are provided in six groups, and the six groups of material weighing scales (9) and digital display screens (10) are evenly distributed on one side of the material weighing base plate (4) in a circular array with the geometric center of the material weighing base plate (4) as the center.

8. A conveying anti-blocking mechanism for a weighing machine according to claim 7, characterized in that: The material weighing clamping mechanism (5) is provided with two groups, and the two groups of the material weighing clamping mechanism (5) are respectively arranged on both sides of the material weighing scale (9).

9. A conveying anti-blocking mechanism for a weighing machine according to claim 8, characterized in that: A servo motor protection cover (84) is fixedly connected to one side of the rubber wheel auxiliary rod (85), and the servo motor protection cover (84) is sleeved on the outside of the servo motor (83).

10. A method for using a conveying anti-blocking mechanism for a weighing machine, the claim of which is cited from the above-mentioned conveying anti-blocking mechanism for a weighing machine, characterized in that: The method of use includes Step S1: driving the servo motor (83) to rotate and drive the friction rubber wheel (82) to rotate, the friction rubber wheel (82) then drives the driving rubber ring (74) to rotate, the driving rubber ring (74) then drives the feeding combing bending rod (72) and the mechanism rotation base shaft (71) to rotate, so that the feeding anti-blocking mechanism (7) can move inside the feeding port (21); Step S2: placing a weighing bag on top of the weighing scale (9), allowing the material to fall from the weighing scale (9) into the weighing bag for weighing, and displaying the weight of the weighing bag on top of the weighing scale (9) on a digital display screen (10); Step S3: the weighing base plate (4) rotates to allow materials to fall into the weighing bags above each weighing scale (9) and then be weighed; Step S4: the auxiliary material refilling barrel (61) works to refill the material bags that are underfilled, ensuring that the weights of all weighing bags are the same.

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