A transmission synchronous belt with straightening function

Abstract

The invention discloses a transmission synchronous belt with a straightening function, which relates to the field of conveying technology. The transmission synchronous belt comprises a frame, a driving mechanism, a conveyor belt, a straightening mechanism and a vacuum pump. The driving mechanism is tightly connected to the frame, the conveyor belt is transmission-connected to the driving mechanism, the straightening mechanism is tightly connected to the conveyor belt, the straightening mechanism is used to adjust the position of goods, the vacuum pump is tightly connected to the frame, and the output end of the vacuum pump is connected to the straightening mechanism. When conveying goods, the driving mechanism outputs power, thereby driving the conveyor belt to move along a track on the frame, thereby conveying the goods. However, when the goods move to a bend of the conveyor belt, the goods will be subjected to a certain centrifugal force due to the circular motion of the goods. This centrifugal force will cause the goods to deviate. The position of the goods is restricted by the straightening mechanism to prevent the goods from deviating when moving to the bend. The vacuum pump is used to provide a certain power for the straightening mechanism.

Description

Technical Field

[0001] The invention relates to the technical field of conveying, in particular to a transmission synchronous belt with a straightening function. Background Art

[0002] Synchronous transmission belts are widely used in cargo conveying systems in logistics, manufacturing, and other fields. Their core function is to achieve continuous and efficient transportation of goods. However, existing synchronous transmission belts often cause cargo to shift or overturn due to centrifugal force when conveying goods on curves. This is especially true when conveying goods with large variations in size and weight. Traditional fixed stoppers are difficult to effectively adapt, requiring frequent manual intervention and adjustment, which reduces conveying efficiency and stability.

[0003] Existing solutions mostly use mechanical baffles or simple negative pressure adsorption, but have the following shortcomings: First, the position of the mechanical baffle is fixed and cannot be automatically adjusted according to the size of the goods, resulting in insufficient positioning of small goods or excessive squeezing of large goods; second, the negative pressure adsorption system lacks adaptive adjustment capabilities and cannot dynamically adjust the suction force according to the weight of the goods, which can easily cause energy waste or adsorption failure; third, the problem of lateral sliding of the conveyor belt at bends has not been effectively solved, and long-term operation can easily lead to track wear and conveying path deviation. Summary of the Invention

[0004] The object of the present invention is to provide a transmission synchronous belt with a straightening function to solve the problems raised in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: The present invention provides a technical solution for a transmission synchronous belt with a straightening function, the transmission synchronous belt includes a frame, a driving mechanism, a conveyor belt, a straightening mechanism and a vacuum pump, the driving mechanism is tightly connected to the frame, the conveyor belt is transmission-connected to the driving mechanism, the straightening mechanism is tightly connected to the conveyor belt, the straightening mechanism is used to adjust the position of the goods, the vacuum pump is tightly connected to the frame, and the output end of the vacuum pump is connected to the straightening mechanism.

[0006] The transmission synchronous belt is used to transport goods, and the driving mechanism is the main power source. When transporting goods, the driving mechanism outputs power, which in turn drives the conveyor belt to move along the track on the frame, thereby transporting the goods. However, when the goods move to the bend of the conveyor belt, due to the circular motion of the goods, they will be subjected to a certain centrifugal force. This centrifugal force will cause the goods to shift. The position of the goods is restricted by the straightening mechanism to prevent the goods from shifting when moving to the bend. The vacuum pump is used to provide a certain amount of power for the straightening mechanism.

[0007] Furthermore, a guide rail is provided on the frame near the bottom of the conveyor belt, which is used to constrain the movement of the conveyor belt. An air guide section is provided on the guide rail, which is located at the bend of the conveyor belt. An air guide groove is provided in the air guide section, which is connected to the vacuum pump.

[0008] The guide rails are used to constrain the movement of the conveyor belt and prevent it from shifting during movement. In addition, by setting an air guide section at the bend on the guide rail and introducing the negative pressure generated by the vacuum pump through the air guide groove, the goods on the conveyor belt are attracted to prevent them from shifting and overturning when moving to the bend.

[0009] Furthermore, a guide bar is provided at the bottom of the conveyor belt, and the guide bar is slidably connected to the guide rail.

[0010] The guide strips at the bottom of the conveyor belt can cooperate with the guide rails to form a physical limit, forcing the conveyor belt to run along the preset path and avoiding lateral sliding caused by installation errors, uneven loads or vibration.

[0011] Furthermore, the straightening mechanism includes a support seat, a movable pin, a baffle, an attraction plate and a support spring. The support seat is tightly connected to the conveyor belt. A guide groove is provided in the support seat. The movable pin is slidingly connected to the guide groove. The movable pin is arranged on both sides of the guide groove. Two annular electromagnets are provided in the middle of the guide groove. The opposite ends of the two annular electromagnets are provided with repulsive magnets. The repulsive magnets are tightly connected to the movable pin. The repulsive magnets and the opposite ends of the annular electromagnets are the same magnetic poles. One end of the support spring is tightly connected to the annular electromagnet, and the other end of the support spring is tightly connected to the movable pin. The baffle and the attraction plate are tightly connected to the movable pin. The baffle is located on the inner side of the conveyor belt, and the attraction plate is located on the outer side of the conveyor belt.

[0012] The conveyor belt of the present application is used to transport two rows of goods. The straightening mechanism is located in the middle of the conveyor belt, which naturally divides the conveyor belt into two parts. The goods located on the inner side of the conveyor belt will deviate to the middle when subjected to centrifugal force, so the goods are supported by the baffle; the goods located on the outer side of the conveyor belt will deviate to the outside when subjected to centrifugal force, so the goods are attracted by the attraction plate to prevent the goods on the outer side from overturning; in addition, the size of the goods is inconsistent, and the baffle and the attraction plate may not be able to abut the side of the goods. By cooperating with the support spring, the annular electromagnet and the repulsive magnet, the magnetic force of the annular electromagnet can be adjusted to control the relative position of the movable pin in the guide groove, thereby adjusting the position of the baffle and the attraction plate so that they can fit to the side of the goods.

[0013] Furthermore, a distance sensor is provided at the upper end of the baffle and the attraction plate, the distance sensor is electrically connected to the detection system, the detection system is electrically connected to the annular electromagnet, and the magnetic force of the annular electromagnet is automatically adjusted according to the distance signal detected by the distance sensor. The farther the distance, the greater the magnetic force.

[0014] The farther the distance signal detected by the distance sensor, the smaller the cargo. At this time, the current transmitted to the annular electromagnet is increased, thereby increasing the magnetic force of the annular electromagnet. According to the principle of like charges repel each other, the greater the repulsive force on the repelling magnet, the longer the distance the movable pin moves outward along the guide groove, and the baffle and the attraction plate can automatically fit to the side of the cargo. That is, the relative position of the baffle and the attraction plate can be automatically controlled according to the size of the cargo, combining support and attraction to prevent the position of the cargo from shifting.

[0015] Furthermore, a connecting flow channel is provided on the conveyor belt, the inlet of the connecting flow channel is connected to the air guide groove, a suction flow channel is provided on the movable pin, an opening and a first flow channel are provided on the side of the support seat close to the suction plate, a plurality of suction ports are opened on the suction plate, the suction ports are connected to the suction flow channel, the suction flow channel is connected to the first flow channel through a hose, and the first flow channel is connected to the connecting flow channel.

[0016] The negative pressure generated by the vacuum pump passes through the connecting flow channel, the first flow channel and the suction flow channel in sequence, thereby transmitting the negative pressure to the suction port on the suction plate, so that a certain negative pressure is generated on the surface of the suction plate, thereby sucking the goods and preventing the goods on the outside of the conveyor belt from deviating outward.

[0017] Furthermore, an adjusting component is provided in the movable pin, and the adjusting component is used to automatically adjust the suction force according to the weight of the cargo.

[0018] The weight of the goods is sometimes inconsistent. Since the smaller the pipe diameter, the greater the friction resistance, the smaller the suction force. The suction force can be controlled by adjusting the pipe diameter through the adjustment component in the movable pin.

[0019] Furthermore, the adjustment component includes an elastic tube, an attraction block, an adjustment electromagnet and a pressure sensor. The elastic tube is connected to the attraction flow channel. A movable groove is provided in the movable pin. The attraction block is slidingly connected to the movable groove. The attraction block is made of ferromagnetic material. The adjustment electromagnet is tightly connected to the movable pin. The adjustment electromagnet and the attraction block are arranged opposite to each other. The pressure sensor is tightly connected to the conveyor belt. The position of the pressure sensor corresponds to the attraction plate. The pressure sensor is electrically connected to the control system. The magnetic force of the adjustment electromagnet is automatically adjusted according to the pressure signal detected by the pressure sensor. The smaller the pressure, the greater the magnetic force.

[0020] The smaller the pressure signal detected by the pressure sensor, the smaller the weight of the surface cargo. At this time, the magnetic force of the regulating electromagnet is increased. Under the action of the magnetic force, the ferromagnetic attraction block will move downward along the movable groove, thereby compressing the elastic tube, causing the diameter of the elastic tube to decrease, thereby reducing the negative pressure transmitted to the suction port. That is, the smaller the weight of the cargo, the smaller the suction force; thereby realizing the automatic adjustment of the suction force on the suction plate according to the weight of the cargo.

[0021] Furthermore, the driving mechanism includes a driving motor and a driving wheel. The driving motor is firmly connected to the frame. The output end of the driving motor is transmission-connected to the driving wheel. The driving wheel is transmission-connected to the conveyor belt.

[0022] The drive motor outputs torque, which drives the drive wheel to rotate, and then drives the conveyor belt to move, realizing the transportation of goods.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. The rigid constraint design of the guide rails and guide strips further suppresses the lateral sliding of the conveyor belt and ensures the accuracy of the conveying path.

[0025] 2. The vacuum pump is connected to the air inlet through the air guide groove to form local negative pressure adsorption, which effectively offsets the influence of centrifugal force and solves the stability problem of traditional conveying systems at bends.

[0026] 3. By integrating a straightening mechanism, vacuum suction system, and intelligent adjustment components, dynamic stability of cargo during curved conveying is achieved. The straightening mechanism utilizes the synergistic effect of electromagnetic repulsion and springs, combined with distance sensors and pressure sensors, to sense cargo size and weight in real time, automatically adjusting the baffle position and suction strength to ensure precise positioning of cargo of varying sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 A schematic diagram of a conveyor belt of the present invention;

[0029] Figure 3 Schematic diagram of the guide rail structure of the present invention;

[0030] Figure 4 It is a partial cross-sectional view of the conveyor belt;

[0031] Figure 5 It is a partial cross-sectional view of the straightening mechanism;

[0032] Figure 6 is a schematic diagram of the adjustment component;

[0033] Figure 7 for Figure 6 A local enlarged view of point A;

[0034] Figure 8 for Figure 6 A partial enlarged view of point B.

[0035] In the figure: 1. frame; 2. driving mechanism; 21. driving motor; 22. driving wheel; 3. conveyor belt; 31. guide bar; 32. connecting flow channel; 4. straightening mechanism; 41. support seat; 411. guide groove; 412. opening; 413. first flow channel; 42. movable pin; 421. suction flow channel; 422. movable groove; 43. baffle; 44. suction plate; 441. suction port; 45. support spring; 46. annular electromagnet; 47. repelling magnet; 48. distance sensor; 5. vacuum pump; 6. guide rail; 61. air guide section; 62. air guide groove; 7. adjustment component; 71. elastic tube; 72. attraction block; 73. adjustment electromagnet; 74. pressure sensor. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0037] Example: Figures 1-8 As shown, the present invention provides a technical solution for a transmission synchronous belt with a straightening function, the transmission synchronous belt includes a frame 1, a driving mechanism 2, a conveyor belt 3, a straightening mechanism 4 and a vacuum pump 5, the driving mechanism 2 is tightly connected to the frame 1, the conveyor belt 3 is transmission-connected to the driving mechanism 2, the straightening mechanism 4 is tightly connected to the conveyor belt 3, the straightening mechanism 4 is used to adjust the position of the goods, the vacuum pump 5 is tightly connected to the frame 1, and the output end of the vacuum pump 5 is connected to the straightening mechanism 4.

[0038] The transmission synchronous belt is used to transport goods, and the driving mechanism 2 is the main power source. When transporting goods, the driving mechanism 2 outputs power, thereby driving the conveyor belt 3 to move along the track on the frame 1, thereby transporting the goods. However, when the goods move to the bend of the conveyor belt 3, due to the circular motion of the goods, they will be subjected to a certain centrifugal force. This centrifugal force will cause the goods to shift. The position of the goods is restricted by the straightening mechanism 4 to prevent the goods from shifting when moving to the bend. The vacuum pump 5 is used to provide a certain amount of power for the straightening mechanism 4.

[0039] A guide rail 6 is provided on the frame 1 near the bottom of the conveyor belt 3. The guide rail 6 is used to constrain the movement of the conveyor belt 3. An air guide section 61 is provided on the guide rail 6. The air guide section 61 is located at the bend of the conveyor belt 3. An air guide groove 62 is provided in the air guide section 61, and the air guide groove 62 is connected to the vacuum pump 5.

[0040] The guide rail 6 is used to constrain the movement of the conveyor belt 3 to prevent the conveyor belt 3 from deviating during movement; in addition, by providing an air guide section 61 at the bend on the guide rail 6 and introducing the negative pressure generated by the vacuum pump 5 through the air guide groove 62, the goods on the conveyor belt 3 are attracted to prevent the goods from deviating and overturning when moving to the bend.

[0041] A guide bar 31 is provided at the bottom of the conveyor belt 3 , and the guide bar 31 is slidably connected to the guide rail 6 .

[0042] The guide bar 31 at the bottom of the conveyor belt 3 can cooperate with the guide rail 6 to form a physical limit, forcing the conveyor belt 3 to run along a preset path to avoid lateral sliding caused by installation errors, uneven load or vibration.

[0043] The straightening mechanism 4 includes a support seat 41, a movable pin 42, a baffle 43, an attraction plate 44 and a support spring 45. The support seat 41 is tightly connected to the conveyor belt 3. A guide groove 411 is provided in the support seat 41. The movable pin 42 is slidingly connected to the guide groove 411. The movable pin 42 is arranged on both sides of the guide groove 411. Two annular electromagnets 46 are provided in the middle of the guide groove 411. The opposite ends of the two annular electromagnets 46 are provided with repulsive magnets 47. The repulsive magnets 47 are tightly connected to the movable pin 42. The repulsive magnets 47 and the opposite ends of the annular electromagnets 46 are the same magnetic poles. One end of the support spring 45 is tightly connected to the annular electromagnet 46, and the other end of the support spring 45 is tightly connected to the movable pin 42. The baffle 43 and the attraction plate 44 are tightly connected to the movable pin 42. The baffle 43 is located on the inner side of the conveyor belt 3, and the attraction plate 44 is located on the outer side of the conveyor belt 3.

[0044] The conveyor belt 3 of the present application is used to transport two rows of goods. The straightening mechanism 4 is located in the middle position of the conveyor belt 3, which naturally divides the conveyor belt 3 into two parts. The goods located on the inner side of the conveyor belt 3 will deviate to the middle when subjected to centrifugal force, so the baffle 43 is used to support the goods; the goods located on the outer side of the conveyor belt 3 will deviate to the outer side when subjected to centrifugal force, so the attraction plate 44 is used to attract the goods, thereby preventing the goods on the outer side from overturning; in addition, the size of the goods is inconsistent, and the baffle 43 and the attraction plate 44 may not be able to abut the side of the goods. By cooperating with the support spring 45, the annular electromagnet 46 and the repulsive magnet 47, the magnetic force of the annular electromagnet 46 can be adjusted to control the relative position of the movable pin 42 in the guide groove 411, thereby adjusting the position of the baffle 43 and the attraction plate 44 so that they can fit the side of the goods.

[0045] A distance sensor 48 is provided at the upper end of the baffle 43 and the attraction plate 44. The distance sensor 48 is electrically connected to the detection system, and the detection system is electrically connected to the annular electromagnet 46. The magnetic force of the annular electromagnet 46 is automatically adjusted according to the distance signal detected by the distance sensor 48. The farther the distance, the greater the magnetic force.

[0046] The farther the distance signal detected by the distance sensor 48, the smaller the cargo. At this time, the current transmitted to the annular electromagnet 46 is increased, thereby increasing the magnetic force of the annular electromagnet 46. According to the principle of like charges repel each other, the greater the repulsive force exerted on the repelling magnet 47, and the longer the distance the movable pin 42 moves outward along the guide groove 411. The baffle 43 and the attraction plate 44 can automatically fit to the side of the cargo, that is, the relative position of the baffle 43 and the attraction plate 44 is automatically controlled according to the size of the cargo, combining support and attraction to prevent the position of the cargo from shifting.

[0047] A connecting flow channel 32 is provided on the conveyor belt 3, the inlet of the connecting flow channel 32 is connected to the air guide groove 62, a suction flow channel 421 is provided on the movable pin 42, an opening 412 and a first flow channel 413 are provided on the side of the support seat 41 close to the suction plate 44, and a plurality of suction ports 441 are provided on the suction plate 44. The suction ports 441 are connected to the suction flow channel 421, and the suction flow channel 421 is connected to the first flow channel 413 through a hose, and the first flow channel 413 is connected to the connecting flow channel 32.

[0048] The negative pressure generated by the vacuum pump 5 passes through the connecting channel 32, the first channel 413 and the suction channel 421 in sequence, thereby transmitting the negative pressure to the suction port 441 on the suction plate 44, so that a certain negative pressure is generated on the surface of the suction plate 44, thereby sucking the goods and preventing the goods located on the outside of the conveyor belt 3 from deviating outward.

[0049] An adjusting component 7 is provided in the movable pin 42, and the adjusting component 7 is used to automatically adjust the suction force according to the weight of the goods.

[0050] The weight of the goods is sometimes inconsistent. Since the smaller the pipe diameter, the greater the friction resistance, the smaller the suction force. That is, the suction force can be controlled by adjusting the pipe diameter through the adjustment component 7 in the movable pin 42.

[0051] The adjusting assembly 7 includes an elastic tube 71, an attraction block 72, an adjusting electromagnet 73 and a pressure sensor 74. The elastic tube 71 is connected to the attraction channel 421. A movable groove 422 is provided in the movable pin 42. The attraction block 72 is slidingly connected to the movable groove 422. The attraction block 72 is made of ferromagnetic material. The adjusting electromagnet 73 is tightly connected to the movable pin 42. The adjusting electromagnet 73 and the attraction block 72 are arranged facing each other. The pressure sensor 74 is tightly connected to the conveyor belt 3. The position of the pressure sensor 74 corresponds to the attraction plate 44. The pressure sensor 74 is electrically connected to the control system. The magnetic force of the adjusting electromagnet 73 is automatically adjusted according to the pressure signal detected by the pressure sensor 74. The smaller the pressure, the greater the magnetic force.

[0052] The smaller the pressure signal detected by the pressure sensor 74, the smaller the weight of the surface cargo. At this time, the magnetic force of the regulating electromagnet 73 is increased. Under the action of the magnetic force, the ferromagnetic attraction block 72 will move downward along the movable groove 422, thereby pressing the elastic tube 71, causing the diameter of the elastic tube 71 to decrease, thereby reducing the negative pressure transmitted to the suction port 441. That is, the smaller the weight of the cargo, the smaller the suction force; thereby achieving automatic adjustment of the suction force on the suction plate 44 according to the weight of the cargo.

[0053] The driving mechanism 2 includes a driving motor 21 and a driving wheel 22 . The driving motor 21 is firmly connected to the frame 1 . The output end of the driving motor 21 is drivingly connected to the driving wheel 22 . The driving wheel 22 is drivingly connected to the conveyor belt 3 .

[0054] The driving motor 21 outputs torque, thereby driving the driving wheel 22 to rotate, and further driving the conveyor belt 3 to move, thereby realizing the transportation of goods.

[0055] The working principle of the present invention is as follows: the drive mechanism 2 provides power to the conveyor belt 3, causing it to move along the guide rail 6 on the frame 1, achieving continuous conveying of goods. The guide bar 31 at the bottom of the conveyor belt 3 slides with the guide rail 6 to form a physical limit, forcing the conveyor belt 3 to run along a preset path and prevent lateral sliding. The baffle 43 and the attraction plate 44 are connected to the support base 41 via a movable pin 42. The support spring 45, the annular electromagnet 46, and the repelling magnet 47 work together. The distance sensor 48 detects the distance between the side of the goods and the baffle and attraction plate in real time, and the signal is fed back to the control system. When the size of the goods is small, the magnetic force of the annular electromagnet 46 is increased, and the repelling magnet 47 pushes the movable pin 42 outward, causing the baffle 43 and attraction plate 44 to automatically fit the side of the goods. The vacuum pump 5 transmits negative pressure to the suction port 411 of the attraction plate 44 through the air guide groove 62 on the guide rail 6 and the connecting flow channel 32 of the conveyor belt 3, generating a localized suction force to offset the centrifugal force of the goods outside.

[0056] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A transmission synchronous belt with a straightening function, characterized in that: The transmission synchronous belt comprises a frame (1), a driving mechanism (2), a conveyor belt (3), a straightening mechanism (4) and a vacuum pump (5); the driving mechanism (2) is fastened to the frame (1); the conveyor belt (3) is transmission-connected to the driving mechanism (2); the straightening mechanism (4) is fastened to the conveyor belt (3); the straightening mechanism (4) is used to adjust the position of the goods; the vacuum pump (5) is fastened to the frame (1); and the output end of the vacuum pump (5) is communicated with the straightening mechanism (4); The straightening mechanism (4) comprises a support seat (41), a movable pin (42), a baffle (43), an attraction plate (44) and a support spring (45), wherein the support seat (41) is tightly connected to the conveyor belt (3), a guide groove (411) is provided in the support seat (41), the movable pin (42) is slidably connected to the guide groove (411), the movable pin (42) is arranged on both sides of the guide groove (411), two annular electromagnets (46) are provided in the middle of the guide groove (411), and the two facing ends of the two annular electromagnets (46) are provided. There is a repelling magnet (47), the repelling magnet (47) is fastened to the movable pin (42), the opposing ends of the repelling magnet (47) and the annular electromagnet (46) are magnetic poles of the same name, one end of the support spring (45) is fastened to the annular electromagnet (46), the other end of the support spring (45) is fastened to the movable pin (42), the baffle (43) and the attraction plate (44) are fastened to the movable pin (42), the baffle (43) is located on the inner side of the conveyor belt (3), and the attraction plate (44) is located on the outer side of the conveyor belt (3).

2. The transmission synchronous belt with a straightening function according to claim 1, characterized in that: A guide rail (6) is provided on the frame (1) near the bottom of the conveyor belt (3), and the guide rail (6) is used to constrain the movement of the conveyor belt (3). An air guide section (61) is provided on the guide rail (6), and the air guide section (61) is located at the bend of the conveyor belt (3). An air guide groove (62) is provided in the air guide section (61), and the air guide groove (62) is connected to the vacuum pump (5).

3. The transmission synchronous belt with a straightening function according to claim 2, characterized in that: A guide bar (31) is provided at the bottom of the conveyor belt (3), and the guide bar (31) is slidably connected to the guide rail (6).

4. The transmission synchronous belt with a straightening function according to claim 1, characterized in that: A distance sensor (48) is provided at the upper end of the baffle (43) and the attraction plate (44). The distance sensor (48) is electrically connected to the detection system, and the detection system is electrically connected to the annular electromagnet (46). The magnetic force of the annular electromagnet (46) is automatically adjusted according to the distance signal detected by the distance sensor (48). The greater the distance, the greater the magnetic force.

5. The transmission synchronous belt with straightening function according to claim 4, characterized in that: The conveyor belt (3) is provided with a connecting flow channel (32), the inlet of the connecting flow channel (32) is communicated with the air guide groove (62), the movable pin (42) is provided with a suction flow channel (421), the support seat (41) is provided with an opening (412) and a first flow channel (413) on a side close to the suction plate (44), the suction plate (44) is provided with a plurality of suction ports (441), the suction ports (441) are communicated with the suction flow channel (421), the suction flow channel (421) is communicated with the first flow channel (413) through a hose, and the first flow channel (413) is communicated with the connecting flow channel (32).

6. The transmission synchronous belt with a straightening function according to claim 5, characterized in that: An adjustment component (7) is provided in the movable pin (42), and the adjustment component (7) is used to automatically adjust the suction force according to the weight of the goods.

7. The transmission synchronous belt with straightening function according to claim 6, characterized in that: The regulating assembly (7) comprises an elastic tube (71), an attraction block (72), an regulating electromagnet (73) and a pressure sensor (74); the elastic tube (71) is communicated with the attraction flow channel (421); a movable groove (422) is provided in the movable pin (42); the attraction block (72) is slidably connected to the movable groove (422); the attraction block (72) is made of ferromagnetic material; the regulating electromagnet (73) is tightly connected to the movable pin (42); the regulating electromagnet (73) and the attraction block (72) are arranged facing each other; the pressure sensor (74) is tightly connected to the conveyor belt (3); the position of the pressure sensor (74) corresponds to the attraction plate (44); the pressure sensor (74) is electrically connected to the control system; the magnetic force of the regulating electromagnet (73) is automatically adjusted according to the pressure signal detected by the pressure sensor (74); the smaller the pressure, the greater the magnetic force.

8. The transmission synchronous belt with a straightening function according to claim 1, characterized in that: The driving mechanism (2) comprises a driving motor (21) and a driving wheel (22); the driving motor (21) is fixedly connected to the frame (1); the output end of the driving motor (21) is drivingly connected to the driving wheel (22); and the driving wheel (22) is drivingly connected to the conveyor belt (3).

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