Transmission synchronous belt with straightening function

Abstract

The invention discloses a transmission synchronous belt with a straightening function, and relates to the technical field of conveying, the transmission synchronous belt comprises a rack, a driving mechanism, a conveying belt, a straightening mechanism and a vacuum pump, the driving mechanism is fixedly connected with the rack, the conveying belt is in transmission connection with the driving mechanism, and the straightening mechanism is fixedly connected with the conveying belt; the straightening mechanism is used for adjusting the position of goods, the vacuum pump is fixedly connected with the rack, and the output end of the vacuum pump communicates with the straightening mechanism; when goods are conveyed, the driving mechanism outputs power to further drive the conveying belt to move along the track on the rack, so that the goods are conveyed, however, when the goods move to the bend of the conveying belt, the goods are subjected to certain centrifugal force due to circular motion, the centrifugal force can cause the goods to deviate, and the goods are conveyed to the conveying belt. The position of the goods is limited through the straightening mechanism, so that the goods are prevented from deviating when moving to the bend, and the vacuum pump is used for providing 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] Transmission synchronous belts are widely used in cargo transportation systems in the fields of logistics, manufacturing, etc. Their core function is to achieve continuous and efficient transportation of goods. However, when conveying goods on curved roads, transmission synchronous belts in the prior art often cause goods to deflect or overturn due to centrifugal force. Especially when conveying goods with large differences in size and weight, traditional fixed limit devices are difficult to adapt effectively and require frequent manual intervention and adjustment, which reduces the efficiency and stability of transportation.

[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 limitation 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 of 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, the circular motion of the goods will cause a certain centrifugal force. This centrifugal force will cause the goods to shift. The position of the goods is limited 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 rail is used to restrict the movement of the conveyor belt and prevent the conveyor belt from shifting during movement. Additionally, by setting an air guide section at the bend of 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, preventing the goods from shifting and tipping over when moving to the bend.

[0009] Furthermore, guide bars are provided at the bottom of the conveyor belt, and the guide bars are slidably connected to the guide rail.

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

[0011] Furthermore, the alignment mechanism includes a support base, a movable pin, a baffle, an attracting plate, and a support spring. The support base is fixedly connected to the conveyor belt. A guide groove is provided inside the support base, and the movable pin is slidably connected to the guide groove. The movable pins are arranged on both sides of the guide groove. Two annular electromagnets are provided in the middle of the guide groove. Repelling magnets are provided at the facing ends of the two annular electromagnets. The repelling magnets are fixedly connected to the movable pins. The facing ends of the repelling magnets and the annular electromagnets are like-named magnetic poles. One end of the support spring is fixedly connected to the annular electromagnet, and the other end of the support spring is fixedly connected to the movable pin. The baffle and the attracting plate are fixedly connected to the movable pin. The baffle is located inside the conveyor belt, and the attracting plate is located outside the conveyor belt.

[0012] The conveyor belt of the present application is used to transport two rows of goods. The alignment mechanism is located at the middle position of the conveyor belt, thus naturally dividing the conveyor belt into two parts. When the goods located inside the conveyor belt are affected by centrifugal force, they will shift towards the middle. Therefore, the baffle supports the goods. When the goods located outside the conveyor belt are affected by centrifugal force, they will shift towards the outside. Therefore, the attracting plate attracts the goods, preventing the goods on the outside from tipping over. Additionally, the sizes of the goods are inconsistent, and the baffle and the attracting plate may not necessarily contact the sides of the goods. By cooperating the support spring, the annular electromagnet, and the repelling magnet, adjusting the magnetic force of the annular electromagnet can control the relative position of the movable pin in the guide groove, thereby adjusting the positions of the baffle and the attracting plate so that they can fit the sides of the goods.

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

[0014] The farther the distance signal detected by the distance sensor is, the smaller the goods are. At this time, the current transmitted to the ring electromagnet is increased, thereby increasing the magnetic force of the ring electromagnet. According to the principle of like poles repelling, the greater the repulsive force received by the repelling magnet, the longer the distance that the movable pin moves outward along the guide groove, and the baffle and the attracting plate can automatically fit to the side of the goods, that is, the relative positions of the baffle and the attracting plate are automatically controlled according to the size of the goods, combining support and attraction, thereby preventing the position of the goods from shifting.

[0015] Furthermore, a connecting flow channel is provided on the conveyor belt. The inlet of the connecting flow channel is communicated with the air guide groove. An attracting flow channel is provided on the movable pin. An opening and a first flow channel are provided on one side of the support seat close to the attracting plate. A plurality of air suction ports are opened on the attracting plate. The air suction ports are communicated with the attracting flow channel. The attracting flow channel is communicated with the first flow channel through a hose. The first flow channel is communicated with 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 attracting flow channel in sequence, so as to transmit the negative pressure to the air suction ports on the attracting plate, making a certain negative pressure generated on the surface of the attracting plate, thereby attracting the goods and preventing the goods located outside the conveyor belt from shifting outward.

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

[0018] The weights of the goods are sometimes inconsistent. Since the smaller the pipe diameter, the greater the frictional resistance and the smaller the suction force, that is, by adjusting the size of the pipe diameter through the adjusting component in the movable pin, the suction force can be controlled.

[0019] Furthermore, the adjusting component includes an elastic tube, an attracting block, an adjusting electromagnet and a pressure sensor. The elastic tube is communicated with the attracting flow channel. A movable groove is provided in the movable pin. The attracting block is slidably connected with the movable groove. The attracting block is made of ferromagnetic material. The adjusting electromagnet is fixedly connected with the movable pin. The adjusting electromagnet and the attracting block are arranged facing each other. The pressure sensor is fixedly connected with the conveyor belt. The position of the pressure sensor corresponds to that of the attracting plate. The pressure sensor is electrically connected with the control system. The magnetic force of the adjusting 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 is, the smaller the weight of the surface goods is. At this time, the magnetic force of the adjusting electromagnet is increased. Under the action of the magnetic force, the ferromagnetic attracting block will move downward along the movable groove, thereby pressing the elastic tube and making the diameter of the elastic tube decrease, so as to reduce the negative pressure transmitted to the air suction port, that is, the smaller the weight of the goods, the smaller the suction force; thus, the suction force on the attracting plate is automatically adjusted according to the weight of the goods.

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

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

[0023] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The rigid constraint design of the guide rail and the guide bar further inhibits the lateral sliding of the conveyor belt, ensuring the accuracy of the conveying path.

[0024] 2. The vacuum pump forms a local negative pressure adsorption through the connection between the air guide groove and the suction port, effectively offsetting the influence of the centrifugal force and solving the stability problem of the traditional conveying system at the bend.

[0025] 3. By integrating the alignment mechanism, the vacuum adsorption system and the intelligent adjustment component, the dynamic stability of the goods during the conveying process at the bend is realized. The alignment mechanism utilizes the synergistic effect of electromagnetic repulsion and the spring, combined with the distance sensor and the pressure sensor, to sense the size and weight of the goods in real time, and automatically adjust the position of the baffle and the suction intensity to ensure the accurate positioning of goods of different specifications. Description of the Drawings

[0026] Figure 1 is the overall structural schematic diagram of the present invention; Figure 2 is the schematic diagram of the conveyor belt of the present invention; Figure 3 is the schematic diagram of the guide rail structure of the present invention; Figure 4 is the partial cross-sectional view of the conveyor belt; Figure 5 is the partial cross-sectional view of the alignment mechanism; Figure 6 is the schematic diagram of the adjustment component; Figure 7 is Figure 6 the partial enlarged view of part A of Figure 8 is Figure 6 the partial enlarged view of part B of

[0027] In the figure: 1. frame; 2. driving mechanism; 21. driving motor; 22. driving wheel; 3. conveyor belt; 31. guide strip; 32. connecting flow channel; 4. straightening mechanism; 41. support seat; 411. guide groove; 412. opening; 413. first flow channel; 42. movable pin; 421. attraction flow channel; 422. movable groove; 43. baffle; 44. attraction 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

[0028] 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.

[0029] Example: Figures 1-8 As shown, the present invention provides a technical solution for a transmission synchronous belt with a straightening function, wherein 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, wherein 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 connected to the straightening mechanism 4.

[0030] 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, so as to transport 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 subject to a certain centrifugal force. This centrifugal force will cause the goods to shift. The position of the goods is limited 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 power for the straightening mechanism 4.

[0031] 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.

[0032] The guide rail 6 is used to restrict the movement of the conveyor belt 3 to prevent the conveyor belt 3 from shifting during movement. Additionally, by providing an air guide section 61 at the bend of 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 shifting and tipping over when moving to the bend.

[0033] 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.

[0034] 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 and avoiding lateral sliding caused by installation errors, uneven loads, or vibrations.

[0035] The alignment mechanism 4 includes a support seat 41, a movable pin 42, a baffle 43, an attracting plate 44, and a support spring 45. The support seat 41 is fixedly connected to the conveyor belt 3. A guide groove 411 is provided inside the support seat 41, and 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. Repelling magnets 47 are provided at the facing ends of the two annular electromagnets 46. The repelling magnets 47 are fixedly connected to the movable pin 42. The facing ends of the repelling magnets 47 and the annular electromagnets 46 are of the same magnetic pole. One end of the support spring 45 is fixedly connected to the annular electromagnet 46, and the other end of the support spring 45 is fixedly connected to the movable pin 42. The baffle 43 and the attracting plate 44 are fixedly connected to the movable pin 42. The baffle 43 is located inside the conveyor belt 3, and the attracting plate 44 is located outside the conveyor belt 3.

[0036] The conveyor belt 3 of the present application is used to transport two rows of goods. The alignment mechanism 4 is located at the middle position of the conveyor belt 3, thus naturally dividing the conveyor belt 3 into two parts. When the goods located inside the conveyor belt 3 are affected by centrifugal force, they will shift towards the middle. Therefore, the goods are supported by the baffle 43. When the goods located outside the conveyor belt 3 are affected by centrifugal force, they will shift towards the outside. Therefore, the goods are attracted by the attracting plate 44 to prevent the goods on the outside from tipping over. Additionally, the sizes of the goods are inconsistent, and the baffle 43 and the attracting plate 44 may not necessarily contact the sides of the goods. By cooperating with the support spring 45, the annular electromagnet 46, and the repelling magnet 47, adjusting the magnetic force of the annular electromagnet 46 can control the relative position of the movable pin 42 in the guide groove 411, thereby adjusting the positions of the baffle 43 and the attracting plate 44 so that they can fit against the sides of the goods.

[0037] Distance sensors 48 are provided at the upper ends of the baffle 43 and the attracting plate 44. The distance sensors 48 are electrically connected to a 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 sensors 48. The farther the distance, the greater the magnetic force.

[0038] The farther the distance signal detected by the distance sensor 48 is, the smaller the goods are. At this time, the current transmitted to the annular electromagnet 46 is increased, so as to increase the magnetic force of the annular electromagnet 46. According to the principle of like poles repelling each other, the greater the repulsive force received by the repelling magnet 47 is, the longer the distance that the movable pin 42 moves outward along the guiding groove 411 is, and the baffle 43 and the attracting plate 44 can automatically fit to the side of the goods, that is, the relative positions of the baffle 43 and the attracting plate 44 are automatically controlled according to the size of the goods, combining support and attraction, so as to prevent the position of the goods from shifting.

[0039] A connecting flow channel 32 is provided on the conveyor belt 3. The inlet of the connecting flow channel 32 is communicated with the air guiding groove 62. An attracting flow channel 421 is provided on the movable pin 42. An opening 412 and a first flow channel 413 are provided on one side of the support seat 41 close to the attracting plate 44. A plurality of air suction ports 441 are formed on the attracting plate 44. The air suction ports 441 are communicated with the attracting flow channel 421. The attracting 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.

[0040] The negative pressure generated by the vacuum pump 5 is sequentially transmitted through the connecting flow channel 32, the first flow channel 413 and the attracting flow channel 421, so as to transmit the negative pressure to the air suction ports 441 on the attracting plate 44, making a certain negative pressure generated on the surface of the attracting plate 44, so as to attract the goods and prevent the goods located outside the conveyor belt 3 from shifting outward.

[0041] An adjusting assembly 7 is provided in the movable pin 42. The adjusting assembly 7 is used to automatically adjust the suction force according to the weight of the goods.

[0042] The weights of the goods are sometimes inconsistent. Since the smaller the pipe diameter is, the greater the frictional resistance is and the smaller the suction force is, that is, by adjusting the pipe diameter through the adjusting assembly 7 in the movable pin 42, the suction force can be controlled.

[0043] The adjusting assembly 7 includes an elastic tube 71, an attracting block 72, an adjusting electromagnet 73 and a pressure sensor 74. The elastic tube 71 is communicated with the attracting flow channel 421. A movable groove 422 is provided in the movable pin 42. The attracting block 72 is slidably connected with the movable groove 422. The attracting block 72 is made of ferromagnetic material. The adjusting electromagnet 73 is fixedly connected with the movable pin 42. The adjusting electromagnet 73 and the attracting block 72 are arranged facing each other. The pressure sensor 74 is fixedly connected with the conveyor belt 3. The position of the pressure sensor 74 corresponds to that of the attracting plate 44. The pressure sensor 74 is electrically connected with 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 is, the greater the magnetic force is.

[0044] The smaller the pressure signal detected by the pressure sensor 74, the smaller the weight of the surface goods. At this time, the magnetic force of the adjustment electromagnet 73 is increased. Under the action of the magnetic force, the ferromagnetic attracting block 72 will move downward along the movable groove 422, thereby pressing the elastic tube 71, reducing the diameter of the elastic tube 71, so as to reduce the negative pressure transmitted to the suction port 441, that is, the smaller the weight of the goods, the smaller the suction force. Thus, the suction force on the suction plate 44 is automatically adjusted according to the weight of the goods.

[0045] The driving mechanism 2 includes 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.

[0046] The driving motor 21 outputs torque, thereby driving the driving wheel 22 to rotate, and then driving the conveyor belt 3 to move, realizing the transportation of goods.

[0047] The working principle of the present invention: The driving mechanism 2 provides power for the conveyor belt 3 to move it along the guide rail 6 on the frame 1, realizing the continuous transportation of goods; the guide strip 31 at the bottom of the conveyor belt 3 is slidably matched with the guide rail 6 to form a physical limit, forcing the conveyor belt 3 to run along the preset path and avoiding lateral sliding; the baffle 43 and the suction plate 44 are connected to the support seat 41 through the movable pin 42, and the support spring 45, the annular electromagnet 46 and the repelling magnet 47 cooperate. The distance sensor 48 continuously detects the distance between the side of the goods and the baffle and the suction plate, 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 to move outwards, so that the baffle 43 and the suction plate 44 automatically fit the side of the goods; the vacuum pump 5 transmits the negative pressure to the suction port 411 of the suction 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 local adsorption force to offset the centrifugal force of the outer goods.

[0048] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

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 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 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).

2. The transmission synchronous belt with 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), the guide rail (6) being 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 a 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 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 straightening function according to claim 3, characterized in that: 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); 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 opposite ends of the two annular electromagnets (46) are provided with A repelling magnet (47) is provided, the repelling magnet (47) is tightly connected 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 tightly connected to the annular electromagnet (46), the other end of the support spring (45) is tightly connected to the movable pin (42), the baffle plate (43) and the attraction plate (44) are tightly connected to the movable pin (42), the baffle plate (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).

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

6. The transmission synchronous belt with straightening function according to claim 5, characterized in that: The conveyor belt (3) is provided with a connecting flow channel (32), the inlet of the connecting flow channel (32) is connected to 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 connected to the suction flow channel (421), the suction flow channel (421) is connected to the first flow channel (413) via a hose, and the first flow channel (413) is connected to the connecting flow channel (32).

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

8. The transmission synchronous belt with straightening function according to claim 7, 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 in communication 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 a ferromagnetic material; the regulating electromagnet (73) is firmly 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 firmly 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 a control system; the magnetic force of the regulating electromagnet (73) is automatically adjusted according to a pressure signal detected by the pressure sensor (74); the smaller the pressure, the greater the magnetic force.

9. The transmission synchronous belt with 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 firmly 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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