Feeding mechanism capable of preventing strapping tape from loosening

Abstract

The utility model relates to the technical field of strapping machine feeding, in particular to a feeding mechanism for preventing a strapping tape from loosening, the feeding mechanism for preventing the strapping tape from loosening comprises a fixing plate, a feeding disc is arranged on the side wall of the fixing plate, the feeding disc is of a circular structure with the middle sunken inwards and the two sides provided with protruding baffles, and the strapping tape is wound around the sunken position of the feeding disc; limiting rods are further arranged on the fixing plate, the number of the limiting rods is two, an adjusting rod is arranged between the two limiting rods, and the adjusting rod can move up and down along the fixing plate; the feeding end of the strapping tape on the feeding disc is wound around the limiting rod and the adjusting rod and is fixedly connected with the feeding end of the machine body. A brake assembly is further arranged on the side wall of the machine body, when the adjusting rod slides to the position limited by the brake assembly along the fixing plate, the brake assembly drives the feeding disc to stop rotating, after the rotating disc stops rotating, the adjusting rod can further descend by a certain distance along the fixing plate, and the effect that the working efficiency is improved when the strapping machine is started again for strapping operation is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of strapping machine feeding, and in particular to a feeding mechanism for preventing a strapping belt from loosening. Background Art

[0002] At present, the strapping machine is a mechanical device used to bundle and fix items with materials such as strapping tape.

[0003] The main components of an existing strapping machine include a loading tray, a strapping mechanism, and a tightening mechanism. The loading tray is typically circular, with several turns of strapping wrapped around it. The strapping mechanism typically includes a motor, a transmission wheel, and a strapping track. The motor provides power, which is transmitted to the strapping via the transmission wheel. The strapping track ensures that the strapping is accurately delivered to the strapping location along a predetermined route, preventing it from shifting or getting stuck during transport. The strapping on the loading tray is connected to the transmission wheel, and the loading tray is used to supply the strapping to the strapping mechanism. During use, the workpiece to be strapped is placed in the tightening mechanism. Once the strapping is delivered to the tightening mechanism, the tightening mechanism tightens the strapping, completing the strapping operation.

[0004] In addition, in order to balance the usage time of different equipment and prevent the strapping machine from being overused, a working time limit will be set. When the set time is reached, the strapping machine will stop working, and after a certain period of time, the strapping machine will continue to work.

[0005] The above-mentioned existing technical solutions have the following defects: when the strapping machine suddenly stops during operation, the loading tray will continue to rotate under the action of inertia, and the conveyor belt between the conveyor wheel and the loading tray will become loose, which will cause each layer of the strapping belt on the loading tray to become loose. When the strapping machine is operated again, the strapping belt on the loading tray needs to be rewound until each layer of the strapping belt on the loading tray is tightly attached, which reduces work efficiency. Utility Model Content

[0006] In order to improve the work efficiency when restarting the strapping operation, the present application provides a feeding mechanism that prevents the strapping belt from loosening.

[0007] The above technical objectives of this application are achieved through the following technical solutions:

[0008] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0009] By adopting the above scheme, the loading end of the machine body will provide power to the strapping belt to pull the strapping belt for loading operation. During the loading process, the loading disc will rotate around the fixed plate to release the strapping belt, and the strapping belt released by the loading disc will enter the loading end of the machine body through the limit rod and the adjusting rod; because the adjusting rod is provided, when the machine body stops running, the loading disc will still rotate under the action of inertia, so it will also release part of the strapping belt, so that the length of the strapping belt between the loading disc and the loading end of the machine body increases; because the adjusting rod is provided, when the length of the strapping belt between the loading disc and the loading end of the machine body increases, the adjusting rod moves downward along the fixed plate under the action of gravity, which can adjust the distance between the two limit rods When the strapping is in a taut state, the loading tray stops rotating and the strapping is tightened to prevent the strapping from becoming loose. When the adjusting rod is adjusted to the position limited by the brake assembly, the brake assembly drives the loading tray to stop rotating, so that the loading tray will not continuously release the strapping. After the loading tray stops rotating, if the strapping between the loading tray and the machine body is partially loose, the adjusting rod can also be lowered along the fixed plate for a period of time, so that the strapping between the loading tray and the machine body is in a taut state. Through the above arrangement, the loading tray stops rotating, and the strapping between the loading tray and the machine body is in a taut state, so that the strapping between each layer on the loading tray will not become loose, thereby achieving the effect of improving the working efficiency when the strapping machine is started again for strapping operation.

[0010] Furthermore, a speed limiting component is provided on the loading tray, and the speed limiting component includes a connecting frame and a support rod. The connecting frame is U-shaped as a whole and the opening is set downward. The two ends of the connecting frame are respectively connected to the two sides of the loading tray. One end of the support rod is connected to the inner wall of the top end of the connecting frame, and the end of the support rod facing away from the top wall of the connecting frame abuts against the surface of the strapping belt.

[0011] By adopting the above solution, the support rod abuts against the strapping belt, which can limit the strapping belt and prevent the strapping belt from escaping from the loading tray.

[0012] Furthermore, the two sides of the loading tray are fixedly connected with sleeves, the opening of each sleeve is set upward and the side walls are fixedly connected to the loading tray; the two ends of the connecting frame are respectively inserted into the two sleeves, and the connecting frame can move up and down along the sleeves; an elastic part is provided in each sleeve, one end of each elastic part is fixedly connected to the bottom wall of the sleeve, and the other end is fixedly connected to the connecting frame.

[0013] By adopting the above scheme, the strapping belt on the loading tray will gradually decrease during the process of loading the machine body; because an elastic member is provided, the elastic member can pull the connecting frame to move in the direction close to the bottom wall of the sleeve, so that the support rod can always abut against the surface of the strapping belt; so that in the process of the strapping belt being gradually output from the loading tray, the support rod can always limit the strapping belt, so that there will be no slack between each layer of the strapping belt on the loading tray; and the abutment of the support rod and the strapping belt can increase the friction between the support rod and the strapping belt, which can reduce the speed of the strapping belt, so that the speed of the strapping belt at the unloading end of the loading tray is less than the speed of the loading end of the machine body, thereby avoiding slack of the strapping belt between the two.

[0014] Furthermore, a pressure wheel is provided on the side of the support rod away from the top wall of the connecting frame, and fixing parts are provided at both ends of the pressure wheel, and the ends of the two fixing parts away from the pressure wheel are fixedly connected to the two sides of the support rod respectively; the two ends of the pressure wheel are rotatably connected to the ends of the two fixing parts away from the support rod, and the surface of the pressure wheel abuts against the surface of the strapping belt.

[0015] By adopting the above solution, the arrangement of the pressure wheel prevents the strapping strap from being scratched when the support rod is limiting the position of the strapping strap.

[0016] Furthermore, the bottom wall of the adjusting rod is fixedly connected to the first sensing piece, and the side wall of the fixed plate is provided with a second sensing piece corresponding to the first sensing piece. The second sensing piece and the fixed plate are provided with a pushing piece below the fixed plate, the pushing piece is fixedly connected to the fixed plate, and the top of the pushing piece supports the second sensing piece; the side wall of the fixed plate is also fixedly connected to the processor and the alarm light, the first sensing piece and the second sensing piece are both coupled to the input end of the processor, and the alarm light is coupled to the output end of the processor; when the adjusting rod descends along the fixed plate to the point where the first sensing piece and the second sensing piece abut against each other; when the first sensing piece abuts against the second sensing piece, the processor performs calculation processing and starts the alarm light to flash; the output end of the processor is also coupled to the brake assembly, and when the first sensing piece abuts against the second sensing piece, the processor performs calculation processing and starts the brake assembly to control the loading plate to stop rotating.

[0017] By adopting the above solution, because a pushing member is provided, when the first sensing plate abuts the second sensing plate, the processor performs calculations and then starts the brake assembly to control the loading tray to stop rotating. If the strapping between the machine body and the loading tray is still in a loose state, the adjusting rod can compress the pushing member and continue to descend a certain distance until the strapping between the machine body and the loading tray remains taut.

[0018] Furthermore, the brake assembly includes a driving member and a brake rod. The driving member is arranged on the side of the fixed plate away from the loading tray. The output end of the driving member passes through the fixed plate to the side close to the loading tray. The output end of the driving member is fixedly connected to the brake rod; the driving member is coupled to the output end of the processor.

[0019] By adopting the above solution, when the adjusting rod moves downward and the loose strapping between the machine body and the loading tray is adjusted, when the first sensing plate abuts the second sensing plate, the processor receives the signal and transmits the signal to the driving member. The output end of the driving member pushes the brake rod to abut the loading tray, causing the loading tray to stop rotating. This can prevent the loading tray from continuously releasing the strapping due to inertia.

[0020] Furthermore, the brake lever outer shell is provided with a circle of protective pads.

[0021] By adopting the above solution, the provision of the protective pad is used to protect the loading tray.

[0022] Furthermore, one end of the fixing plate facing away from the loading tray is fixedly connected to a support plate, and the support plate is used to support the driving component.

[0023] In summary, this application has the following technical effects:

[0024] 1. By setting up this feeding mechanism, the feeding end of the machine body will provide power to the strapping belt to pull the strapping belt for feeding operation. During the feeding process, the feeding disc will rotate around the fixed plate to release the strapping belt. The strapping belt released by the feeding disc passes through the limit rod and the adjusting rod and enters the feeding end of the machine body; because the adjusting rod is set, when the machine body stops running, the feeding disc will still rotate under the action of inertia, so it will also release part of the strapping belt, so that the length of the strapping belt between the feeding disc and the feeding end of the machine body increases; because the adjusting rod is set, when the length of the strapping belt between the feeding disc and the feeding end of the machine body increases, the adjusting rod moves downward along the fixed plate under the action of gravity, which can adjust the two limit rods. The binding between the rods is tightened to prevent the binding strap from loosening; when the adjusting rod is adjusted to the position limited by the brake assembly, the brake assembly drives the loading disc to stop rotating, so that the loading disc will not continuously release the binding strap; after the loading disc stops rotating, if the binding strap between the loading disc and the machine body is still partially loose, the adjusting rod can also be lowered along the fixed plate for a period of time, so that the binding strap between the loading disc and the machine body is in a tight state; through the above arrangement, the loading disc stops rotating, and the binding strap between the loading disc and the machine body is in a tight state, so that the binding strap between each layer on the loading disc will not loosen, thereby achieving the effect of improving the working efficiency when the strapping machine is started again for binding operation;

[0025] 2. By providing an elastic member, the elastic member can pull the connecting frame to move closer to the bottom wall of the sleeve, so that the support rod can always abut against the surface of the strapping belt; so that during the process of the strapping belt being gradually discharged from the loading tray, the support rod can always limit the strapping belt, so that there will be no slack between each layer of the strapping belt on the loading tray;

[0026] 3. A protective pad is provided to protect the loading tray. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a structural schematic diagram of a feeding mechanism for preventing a strapping belt from loosening according to the present application;

[0028] Figure 2 It is a structural diagram of the speed limiting component of this application;

[0029] Figure 3 is a cross-sectional view of the sleeve of the present application;

[0030] Figure 4 It is a partial structural diagram of the brake assembly of this application.

[0031] In the figure, 1. fixed plate; 11. support plate; 2. loading tray; 3. adjustment assembly; 31. limit rod; 32. adjustment rod; 4. speed limit assembly; 41. connecting frame; 42. support rod; 43. sleeve; 44. elastic member; 45. fixing member; 46. pressure wheel; 5. brake assembly; 51. first sensor plate; 52. second sensor plate; 53. driving member; 54. alarm light; 55. processor; 56. brake lever; 561. protective pad; 6. pushing member. DETAILED DESCRIPTION

[0032] The present application is further described in detail below with reference to the accompanying drawings.

[0033] Reference Figure 1 The present embodiment provides a feeding mechanism for preventing the strapping from loosening, comprising a fixed plate 1, a loading tray 2, an adjusting component 3, a speed limiting component 4 and a brake component 5. The fixed plate 1 is arranged at the loading end of the machine body, and the fixed plate 1 is fixedly connected to the working surface; the adjusting component 3 and the loading tray 2 are both located on the side wall of the fixed plate 1, the adjusting component 3 is arranged between the loading end of the machine body and the loading tray 2, and the loading tray 2 is rotatably connected to the fixed plate 1; a plurality of strapping belts are wound around the loading tray 2, and one end of the strapping belt is fixed to the loading tray 2 The other end of the strapping belt passes through the adjusting component 3 and is fixedly connected to the feeding end of the machine body. The adjusting component 3 is used to adjust the tightness of the strapping belt between the feeding end of the machine body and the feeding tray 2; the speed limiting component 4 is arranged on the feeding tray 2, and the speed limiting component 4 is used to limit the speed at which the feeding tray 2 outputs the strapping belt, and can make each layer of the strapping belt on the feeding tray 2 in a compressed state; the brake component 5 is arranged on the side wall of the fixed plate 1, and the brake component 5 is used to control the relative rotation between the feeding tray 2 and the fixed plate 1.

[0034] Reference Figure 1 The adjusting assembly 3 includes two limit rods 31 and an adjusting rod 32. The two limit rods 31 are arranged horizontally in a collinear manner and are fixedly connected to the side walls of the fixed plate 1; the adjusting rod 32 is arranged between the two limit rods 31, and the adjusting rod 32 can slide up and down along the height direction of the fixed plate 1; the specific connection method of the adjusting rod 32 and the fixed plate 1 is as follows: the fixed plate 1 is provided with a slide groove along the height direction, and the adjusting rod 32 is fixedly connected to a slider, which is embedded in the slide groove and can move up and down along the slide groove, and the slide groove is a dovetail and the slider are both T-shaped; the end of the strapping belt not fixed to the loading tray 2 passes through the limit rod 31 and the adjusting rod 32 and is fixedly connected to the loading of the machine body; when the machine body stops working, the loading tray 2 will continue to rotate under the action of inertia, which will release part of the strapping belt, so that the length of the strapping belt between the loading end of the machine body and the loading tray 2 becomes longer. At this time, the adjusting rod 32 will move downward under the action of gravity, so that the strapping belt between the loading end of the machine body and the loading tray 2 is in a straight state.

[0035] Reference Figure 1-Figure 3The speed limiting assembly 4 includes a connecting frame 41, a support rod 42, a sleeve 43, an elastic member 44, a fixing member 45 and a pressure wheel 46; there are two sleeves 43, and the two sleeves 43 are respectively arranged on two sides of the loading tray 2 away from each other, and the side walls of each sleeve 43 are fixedly connected to the loading tray 2, and the opening of each sleeve 43 is set upward; each sleeve 43 is correspondingly provided with an elastic member 44, and one end of each elastic member 44 is fixedly connected to the bottom wall of the sleeve 43; the connecting frame 41 is U-shaped as a whole, and the opening is set downward, and the two ends of the connecting frame 41 are respectively fixedly connected to the side of the two elastic members 44 away from the bottom wall of the sleeve 43; the two ends of the connecting frame 41 can be adjusted by the extension or pressure of the elastic member 44 During the contraction process, it slides up and down synchronously along the sleeve 43; in this embodiment, the elastic member 44 is preferably used as a compression spring. In the absence of external force, the elastic member 44 can pull the connecting frame 41 in the direction close to the bottom wall of the sleeve 43; the support rod 42 is arranged on the inner wall of the top of the connecting frame 41, and one end of the support rod 42 is fixedly connected to the inner wall of the connecting frame 41; the pressure wheel 46 is arranged at the end of the support rod 42 away from the top wall of the connecting frame 41, and there are two fixing members 45, which are respectively arranged on both sides of the pressure wheel 46, each fixing member 45 is U-shaped, and one end of each fixing member 45 is fixedly connected to the support rod 42, and the other end is rotatably connected to the pressure wheel 46, and the pressure wheel 46 abuts against the surface of the strapping belt.

[0036] Reference Figure 1-Figure 3 Because the speed limiting component 4 is provided, the strapping belt on the loading tray 2 will gradually decrease during the process of loading the material on the machine body by the loading tray 2. At this time, the two elastic members 44 work together to pull the connecting frame 41 toward the bottom wall of the sleeve 43; the connecting frame 41 drives the support rod 42 and the pressure wheel 46 to continuously abut against the strapping belt; the pressure wheel 46 abuts against the strapping belt, which can prevent slack between each layer of the strapping belt on the loading tray 2; and because the pressure wheel 46 abuts against the strapping belt, there is friction between the two, so the speed of the strapping belt at the unloading end of the loading tray 2 can be slowed down; this increases the speed difference between the loading end of the machine body and the unloading end of the loading tray 2, so that the strapping belt between the loading end of the machine body and the unloading end of the loading tray 2 is in a straight state.

[0037] Reference Figure 1 and Figure 4, the brake assembly 5 includes a first sensing plate 51, a second sensing plate 52, a driving member 53, an alarm light 54, a processor 55 and a brake rod 56. The first sensing plate 51 is fixedly connected to the lower surface of the slider, and the second sensing plate 52 is arranged corresponding to the first sensing plate 51. A pushing member 6 is also arranged between the second sensing plate 52 and the bottom wall of the slide groove, and the two ends of the pushing member 6 are respectively fixedly connected to the second sensing plate 52 and the bottom wall of the slide groove; the processor 55 is fixedly connected to the side wall of the fixed plate 1, and the first sensing plate 51 and the second sensing plate 52 are both coupled to the input end of the processor 55; the alarm light 54 is fixedly connected to the top wall of the fixed plate 1, and the output end of the alarm light 54 is coupled to the processor 55; when the adjusting rod 32 slides downward along the fixed plate 1 until the first sensing plate 51 and the second sensing plate 52 abut When connected, the processor 55 will transmit the signal to the alarm light 54 after receiving the signal, and the alarm light 54 will flash to warn the staff that the adjustment rod 32 is adjusting the strapping belt; the side of the fixed plate 1 facing away from the loading tray 2 is fixedly connected to the support plate 11, and the driving member 53 is fixedly connected to the support plate 11. The output end of the driving member 53 passes through the fixed plate 1 to the side with the loading tray 2, and the brake rod 56 is arranged between the fixed plate 1 and the loading tray 2. The output end of the driving member 53 is fixedly connected to the brake rod 56; the driving member 53 is coupled to the output end of the processor 55; in this embodiment, the driving member 53 is an electric cylinder, the protective pad 561 is preferably made of rubber material, and the pushing member 6 is preferably used as a spring; the end of the brake rod 56 facing away from the driving member 53 is fixedly connected to the protective pad 561.

[0038] Reference Figure 1 and Figure 4 When the first sensing piece 51 abuts the second sensing piece 52, the processor 55 receives the signal and starts the driving member 53, which pushes the brake lever 56 to abut against the loading disc 2. When the brake lever 56 abuts against the loading disc 2, the loading disc 2 can stop rotating, thus preventing the loading disc 2 from continuing to output the binding belt; and because a pushing member 6 is provided, after the loading disc 2 stops rotating, if the binding belt between the machine body and the loading plate is still in a loose state, the slider can press the pushing member 6 to continue moving downward until the binding belt between the machine body and the loading plate is in a tightened state; at this time, the loading disc 2 stops rotating, and the binding belt between the machine body and the loading disc 2 is also in a straight state, thereby preventing the binding belt on the loading disc 2 from being loosened between each layer.

[0039] The specific implementation principle of the feeding mechanism of the embodiment of the present application to prevent the strapping belt from loosening is as follows: when the body stops rotating, the feeding tray 2 will continue to rotate under the action of inertia, and the rotation of the feeding tray 2 will continue to release the strapping belt; then the adjusting rod 32 will press the strapping belt downward under the action of gravity, thereby being able to tension the strapping belt between the feeding end of the body and the unloading end of the feeding tray 2; when the first sensing plate 51 abuts the second sensing plate 52, the processor 55 processes the signal and then transmits the signal to the driving member 53, driving the driving member 53 to drive the driving member 53. Component 53 drives the brake rod 56 to abut against the loading tray 2, so that the loading tray 2 stops rotating, thereby preventing the loading tray 2 from continuously releasing the strapping tape after continuing to rotate, causing the strapping tape between the loading end of the machine body and the unloading end of the loading tray 2 to accumulate and become loose; if the strapping tape between the machine body and the loading tray 2 is still in a loose state, the slider can press the pusher 6 to continue moving downward until the strapping tape between the machine body and the loading tray 2 is in a straight state, further avoiding the problem of looseness between each layer of the strapping tape on the loading tray 2.

[0040] This specific embodiment is merely an explanation of the present application and is not a limitation of the present application. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but as long as they are within the scope of the claims of the present application, they are protected by the patent law.

Claims

1. A feeding mechanism for preventing a strapping belt from loosening, characterized in that: The invention comprises a fixed plate (1), which is arranged on a side close to the feeding end of the machine body, and the fixed plate (1) is fixedly connected to the working surface; a feeding tray (2) is arranged on the side wall of the fixed plate (1), and the feeding tray (2) is a circular structure with a middle part that is inwardly concave and two sides having protruding baffles; a strapping belt is wound around the concave part of the feeding tray (2), and the baffle is used to limit the strapping belt; a limiting rod (31) is also arranged on the fixed plate (1), and two limiting rods (31) are provided, and the two limiting rods (31) are both located between the feeding end of the machine body and the feeding tray (2), and the two limiting rods (31) are arranged horizontally and collinearly. An adjusting rod (32) is provided between the two limiting rods (31), and the adjusting rod (32) can move up and down along the fixed plate (1); the feeding end of the strapping belt on the feeding disc (2) is passed through the limiting rod (31) and the adjusting rod (32) and is fixedly connected to the feeding end of the machine body; a brake assembly (5) is also provided on the side wall of the machine body, and when the adjusting rod (32) slides along the fixed plate (1) to the position limited by the brake assembly (5), the brake assembly (5) drives the feeding disc (2) to stop rotating, and when the turntable stops rotating, the adjusting rod (32) can also be lowered a distance along the fixed plate (1).

2. A feeding mechanism for preventing strapping from loosening according to claim 1, characterized in that: A speed limiting assembly (4) is provided on the loading tray (2), and the speed limiting assembly (4) comprises a connecting frame (41) and a support rod (42). The connecting frame (41) is U-shaped as a whole and is opened downward. The two ends of the connecting frame (41) are respectively connected to the two sides of the loading tray (2). One end of the support rod (42) is connected to the inner wall of the top end of the connecting frame (41), and the end of the support rod (42) facing away from the top wall of the connecting frame (41) abuts against the surface of the strapping belt.

3. A feeding mechanism for preventing strapping from loosening according to claim 2, characterized in that: The two sides of the loading tray (2) facing away from each other are fixedly connected with sleeves (43), the opening of each sleeve (43) is arranged upward and the side walls are fixedly connected to the loading tray (2); the two ends of the connecting frame (41) are respectively inserted into the two sleeves (43), and the connecting frame (41) can move up and down along the sleeves (43); an elastic member (44) is provided in each sleeve (43), one end of each elastic member (44) is fixedly connected to the bottom wall of the sleeve (43), and the other end is fixedly connected to the connecting frame (41).

4. A feeding mechanism for preventing a strapping belt from loosening according to claim 2, characterized in that: A pressure wheel (46) is provided on the side of the support rod (42) away from the top wall of the connecting frame (41), and fixing members (45) are provided at both ends of the pressure wheel (46), and the ends of the two fixing members (45) away from the pressure wheel (46) are fixedly connected to the two sides of the support rod (42) respectively; the two ends of the pressure wheel (46) are rotatably connected to the ends of the two fixing members (45) away from the support rod (42), and the surface of the pressure wheel (46) abuts against the surface of the strapping belt.

5. The feeding mechanism for preventing the strapping belt from loosening according to claim 1, characterized in that: The bottom wall of the regulating rod (32) is fixedly connected to the first sensing piece (51); the side wall of the fixed plate (1) is provided with a second sensing piece (52) corresponding to the first sensing piece (51); a pushing piece (6) is provided below the second sensing piece (52) and the fixed plate (1); the pushing piece (6) is fixedly connected to the fixed plate (1); the top of the pushing piece (6) supports the second sensing piece (52); the side wall of the fixed plate (1) is also fixedly connected to a processor (55) and an alarm light (54); the first sensing piece (51) and the second sensing piece (52) are both coupled to the input end of the processor (55). , the alarm light (54) is coupled to the output end of the processor (55); when the adjusting rod (32) descends along the fixed plate (1) to the point where the first sensing plate (51) and the second sensing plate (52) abut against each other; after the first sensing plate (51) and the second sensing plate (52) abut against each other, the processor (55) performs calculation processing and starts the alarm light (54) to flash; the output end of the processor is also coupled to the brake assembly (5); after the first sensing plate (51) and the second sensing plate (52) abut against each other, the processor (55) performs calculation processing and starts the brake assembly (5) to control the loading tray (2) to stop rotating.

6. A feeding mechanism for preventing a strapping belt from loosening according to claim 5, characterized in that: The brake assembly (5) includes a driving member (53) and a brake rod (56), wherein the driving member (53) is arranged on the side of the fixed plate (1) away from the loading tray (2), and the output end of the driving member (53) passes through the fixed plate (1) to the side close to the loading tray (2), and the output end of the driving member (53) is fixedly connected to the brake rod (56); the driving member (53) is coupled to the output end of the processor (55).

7. A feeding mechanism for preventing a strapping belt from loosening according to claim 6, characterized in that: The outer cover of the brake lever (56) is provided with a circle of protective pads (561).

8. The feeding mechanism for preventing the strapping belt from loosening according to claim 6, characterized in that: One end of the fixed plate (1) facing away from the loading tray (2) is fixedly connected to a support plate (11), and the support plate (11) is used to support the driving member (53).

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