Conveying equipment with distance adjusting function for fastener machining

Abstract

The invention discloses conveying equipment with a spacing adjusting function for fastener machining, and relates to the technical field of intelligent conveying, the conveying equipment comprises a rack, a guide seat, a driving mechanism, a detection mechanism, an adjusting mechanism and a conveying belt, the guide seat is in fastening connection with the rack, the driving mechanism is in fastening connection with the rack, the driving mechanism is used for driving the conveying belt to move, and the detection mechanism is used for detecting the spacing of the conveying belt. The detection mechanism is connected with the rack in a fastened mode and used for detecting the positions of materials on the conveying belt, and the adjusting mechanism is located on the conveying belt and used for adjusting the distance between the materials. When the materials are conveyed, the driving mechanism outputs power to drive the conveying belt to move at a certain speed, the positions of the materials are detected through the detection mechanism, and if the positions of the materials deviate, the positions of the materials are adjusted through the adjusting mechanism.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent conveying, and specifically to a conveying device for fastener processing with a spacing adjustment function. Background Art

[0002] In the field of fastener processing, automated conveying equipment is a key link to achieve efficient production. Traditional conveying devices usually adopt conveyor belts or mechanical clamping structures with fixed spacing to transfer materials from one station to the next station.

[0003] However, in the actual production process, materials (such as metal parts like bolts and nuts) are prone to shift due to their regular shape and smooth surface when being conveyed at high speed, affected by inertia or vibration. This results in uneven distribution of materials on the conveyor belt. Such shifts not only affect the positioning accuracy of subsequent processing equipment (such as numerical control machine tools, robot grasping, etc.), but may also cause problems such as jamming and collisions. In severe cases, it may even lead to the shutdown of the production line, causing double losses of time and economic costs.

[0004] In the prior art, solutions for adjusting the spacing of materials mostly rely on manual intervention or mechanical adjustment mechanisms. For example, by manually adjusting the conveyor belt speed or adding mechanical baffles to limit the position of materials. However, such methods are inefficient and lack flexibility. In addition, the mechanical adjustment mechanism has a complex structure, is prone to wear during long-term operation, has a high maintenance cost, and mechanical contact adjustment may scratch the surface of materials, affecting product quality. Summary of the Invention

[0005] The purpose of the present invention is to provide a conveying device for fastener processing with a spacing adjustment function to solve the problems raised in the prior art.

[0006] To achieve the above purpose, the present invention provides the following technical solution: The present invention provides a technical solution for a conveying device for fastener processing with a spacing adjustment function. The conveying device includes a frame, a guiding seat, a driving mechanism, a detection mechanism, an adjustment mechanism, and a conveyor belt. The guiding seat is fixedly connected to the frame, the driving mechanism is fixedly connected to the frame, the driving mechanism is used to drive the conveyor belt to move, the detection mechanism is fixedly connected to the frame, the detection mechanism is used to detect the position of materials on the conveyor belt, the adjustment mechanism is located on the conveyor belt, and the adjustment mechanism is used to adjust the spacing between materials.

[0007] Fasteners are generally processed by iron blocks of the same size. It is necessary to use a conveying device to transport materials from one station to another. However, the materials may shift during the feeding process, resulting in uneven arrangement of the materials on the conveying device. This requires adjusting the spacing of the materials to adapt to different processing speeds or the grasping rhythm of the robot; the frame is used to provide stable support for each mechanism, the guide seat is used to restrict the movement of the conveyor belt to ensure smoothness during transportation, and the driving mechanism is the main power source of the conveying equipment; when transporting materials, the driving mechanism outputs power to drive the conveyor belt to move at a certain speed, and the detection mechanism detects the positions of the materials. If the positions of the materials shift, the adjusting mechanism adjusts the positions of the materials.

[0008] Furthermore, a detection area, an adjustment area, and a conveying area are arranged in sequence along the conveying direction of the conveyor belt on the frame. The detection mechanism is located at the detection area, and the adjusting mechanism is activated when it moves to the adjustment area. The adjusting mechanism adjusts the friction coefficient by changing the microscopic morphology of the conveyor belt surface, thereby finely adjusting the position of the materials.

[0009] By arranging the detection area, the adjustment area, and the conveying area on the frame, the conveyor belt is virtually divided into several areas, so that detection and adjustment do not interfere with each other. First, the detection mechanism judges the positions of the materials, and then the adjusting mechanism adjusts the positions of the materials. When transporting materials, the materials are driven by the friction force of the conveyor belt on the materials. When the positions of the materials shift, the adjusting mechanism changes the surface morphology of the conveyor belt, thereby reducing the friction coefficient to facilitate the adjustment of the positions of the materials.

[0010] Furthermore, guide strips are provided on the conveyor belt, and guide grooves are provided on the guide seat. The guide strips are slidably connected to the guide grooves.

[0011] The guide strips on the conveyor belt and the guide grooves on the guide seat cooperate with each other to guide the movement of the conveyor belt, thereby preventing the conveyor belt from shifting.

[0012] Furthermore, a first air inlet and a second air inlet are provided on the guide seat. The first air inlet and the second air inlet are respectively externally connected to a compressed air source through pipelines. A number of placement slots are provided on the conveyor belt. A forward area, a middle area, and a backward area are arranged in sequence along the conveying direction on the placement slots. An air guide branch pipe and an adjustment branch pipe are provided inside the conveyor belt;

[0013] During adjustment: the air guide branch pipe is communicated with the first air inlet, and the adjustment branch pipe is communicated with the second air inlet.

[0014] When the detection mechanism detects that the material is in the middle area, it indicates that the position of the material is at the center of the placement groove and no adjustment is required; when the detection mechanism detects that the material is in the forward area and the backward area, it indicates that the position of the material has shifted. At this time, the adjustment mechanism is activated to adjust the position of the material. The adjustment mechanism uses compressed gas as power. During adjustment, the compressed gas enters the air guide branch pipe through the first air inlet. The air guide branch pipe can direct the air flow to the bottom of the material, further reducing the frictional resistance between the material and the conveyor belt, thus facilitating the adjustment of the position of the material. The compressed gas enters the adjustment branch pipe through the second air inlet to provide power for the adjustment mechanism.

[0015] Furthermore, the conveyor belt is also provided with an air outlet, an adjustment port and a back-blowing port. The air outlet and the back-blowing port are communicated with the air guide branch pipe. The air outlet is located in the forward area, and the back-blowing port is located in the backward area. The adjustment port is communicated with the adjustment branch pipe, and the adjustment mechanism is located in the adjustment port.

[0016] When the position of the material deviates from the middle area, if the material is in the forward area, the adjustment mechanism can lift the material under the action of the compressed gas, so that the contact area between the material and the conveyor belt is reduced, thereby reducing the frictional resistance. And the compressed gas can flow out through the air outlet, thereby impacting the bottom surface of the material, further reducing the frictional force. In this way, the material located in the forward area will move forward a certain distance under the action of its own inertia and then slide to the middle area; if the material is in the backward area, the adjustment mechanism also lifts the material under the action of the compressed gas, and then guides the compressed air flow through the back-blowing port, so that the direction of the air flow out is opposite to the moving direction of the conveyor belt. Under the action of the air flow impact force, the material located in the backward area is pushed back to the middle area; that is, through the combined action of the air outlet and the back-blowing port, and the adjustment mechanism in the adjustment port, using the power of the compressed air flow, the position of the material is automatically adjusted, so as to ensure that the spacing between the materials is within a suitable range.

[0017] Furthermore, the adjustment mechanism includes a fixed ring, a piston column and a support spring. The fixed ring is fixedly connected to the inner wall of the adjustment port, the piston column is slidably connected to the inner wall of the adjustment port, one end of the support spring is fixedly connected to the fixed ring, and the other end of the support spring is fixedly connected to the piston column.

[0018] The fixed ring is fixed on the adjustment port to provide support for the adjustment mechanism. After the compressed gas flows into the adjustment branch pipe, it will enter the adjustment port, so that a certain pressure is maintained in the adjustment port. Under the action of the pressure, the piston column will be pushed to move upward along the adjustment port, and the support spring is compressed by force. The top end of the piston column extends out of the adjustment port, thereby pushing the material away from the conveyor belt and reducing the frictional force between the material and the conveyor belt, facilitating subsequent adjustment.

[0019] Furthermore, the outlet of the back-blowing port is arranged obliquely, and the inclination direction of the outlet of the back-blowing port is opposite to the moving direction of the conveyor belt.

[0020] The back-blowing port located in the retreat zone is used to push the material back to the middle zone. Therefore, by tilting the back-blowing port in the opposite direction to the conveying direction, the outflow direction is opposite to the conveying direction, and the impact force of the airflow is used to push the material back to the middle zone.

[0021] Furthermore, the elastic force of the support spring of the adjustment mechanism located in the retreat zone is weakened successively along the conveying direction of the conveyor belt, and a ball is rotatably connected to the top end of the piston column.

[0022] Because the pressure at the adjustment port is consistent, a support spring whose elastic force gradually weakens along the conveying direction is provided. Under the same pressure, the piston column at the adjustment mechanism that is farther away from the middle area is lifted up a longer distance, so that the array composed of several adjustment mechanisms in the retreat area is inclined, and the material lifted up by the inclined adjustment array can automatically slide to the middle area under the action of its own gravity, thereby improving the adjustment efficiency. In addition, the ball at the top of the piston column can change the sliding friction into rolling friction, further reducing the friction resistance, thereby facilitating the position adjustment of the material.

[0023] Furthermore, the detection mechanism includes a support frame and a visual detector, the support frame is tightly connected to the frame, the visual detector is tightly connected to the support frame, and the detection end of the visual detector faces the conveyor belt.

[0024] The visual inspection instrument can automatically detect the position on the conveyor belt, and can automatically control the action of the adjustment mechanism according to the detection results, thereby adjusting the position of the material.

[0025] Furthermore, the driving mechanism includes a driving motor, a driving roller and a driven roller. The driving motor is tightly connected to the frame, the output end of the driving motor is transmission-connected to the driving roller, the driving roller is rotationally connected to the frame, the driven roller is rotationally connected to the frame, and the conveyor belt is wound around the driving roller and the driven roller.

[0026] The drive motor is the main power source of the drive mechanism. During transportation, the drive motor outputs torque, thereby driving the drive roller to rotate on the frame, and then driving the conveyor belt wrapped around the drive roller and the driven roller to move at a certain speed to realize the transportation of materials.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. Precise detection and intelligent adjustment to improve processing efficiency. The detection mechanism uses a vision detector to monitor the position of materials in real time. Combining with the zoned design (detection zone, adjustment zone, conveying zone), the detection and adjustment processes do not interfere with each other. When the material deviates, the adjustment mechanism drives the piston column to lift the material through compressed gas, and uses the air flow impact at the air outlet and the back-blowing port to achieve automatic fine adjustment of the material position. This dynamic adjustment method greatly reduces manual intervention, ensures that the material spacing always adapts to the processing rhythm, and is especially suitable for high-speed production lines or robot grasping scenarios, significantly improving production efficiency.

[0029] 2. Innovative pneumatic adjustment design to reduce friction and energy consumption. The adjustment mechanism changes the surface friction coefficient of the conveyor belt (such as air film drag reduction, changing from sliding to rolling friction of balls), and combines with the design of the decreasing elastic force of the support spring, so that the material automatically returns to its position under the action of gravity and air flow. The inclination direction of the back-blowing port is opposite to the conveying direction, and the reverse air flow pushes the material to reset, further optimizing the adjustment effect. Compared with traditional mechanical adjustment, the pneumatic system has a faster response, lower energy consumption, and reduces mechanical wear, extending the service life of the equipment.

[0030] 3. Structural stability and modularity to improve system reliability. The frame and the guide seat cooperate through the guiding strip and the guiding groove to ensure the stable operation of the conveyor belt and prevent deviation; each functional module (detection, adjustment, conveying) is independently zoned, which is convenient for maintenance in case of failure and does not affect the overall operation. Brief Description of the Drawings

[0031] Figure 1 is the overall structural schematic diagram of the present invention;

[0032] Figure 2 is the partial cross-sectional view of the present invention;

[0033] Figure 3 is the partial cross-sectional view of the conveyor belt;

[0034] Figure 4 is Figure 3 the partial enlarged view at A of

[0035] Figure 5 is the partial cross-sectional view of the guide seat;

[0036] Figure 6 is Figure 5 the partial enlarged view at B of

[0037] Figure 7 is the action schematic diagram of the adjustment component.

[0038] In the figure: 1. Frame; 11. Detection area; 12. Adjustment area; 13. Conveying area; 2. Guide seat; 21. Guide groove; 22. First air inlet; 23. Second air inlet; 3. Driving mechanism; 31. Driving motor; 32. Driving roller; 33. Driven roller; 4. Detection mechanism; 41. Support frame; 42. Visual detector; 5. Adjustment mechanism; 51. Fixed ring; 52. Piston rod; 53. Support spring; 54. Ball; 6. Conveyor belt; 61. Guide strip; 62. Forward area; 63. Intermediate area; 64. Rearward area; 65. Air guide branch pipe; 66. Adjustment branch pipe; 67. Air outlet; 68. Adjustment port; 69. Backwashing port. Detailed implementation mode

[0039] Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0040] Embodiment: As Figures 1-7 shown, the present invention provides a technical solution for a conveying device for fastener processing with a pitch adjustment function. The conveying device includes a frame 1, a guide seat 2, a driving mechanism 3, a detection mechanism 4, an adjustment mechanism 5 and a conveyor belt 6. The guide seat 2 is fixedly connected to the frame 1, the driving mechanism 3 is fixedly connected to the frame 1, the driving mechanism 3 is used to drive the conveyor belt 6 to move, the detection mechanism 4 is fixedly connected to the frame 1, the detection mechanism 4 is used to detect the position of the material on the conveyor belt 6, the adjustment mechanism 5 is located on the conveyor belt 6, and the adjustment mechanism 5 is used to adjust the pitch between the materials.

[0041] Fasteners are generally processed through iron blocks of the same size. It is necessary to convey the materials from one station to another through a conveying device. However, the materials may shift during the feeding process, resulting in uneven arrangement of the materials on the conveying device. This requires adjusting the pitch of the materials to adapt to different processing speeds or the grasping rhythm of the robot; the frame 1 is used to provide stable support for each mechanism, the guide seat 2 is used to restrict the movement of the conveyor belt 6, so as to ensure the stability during conveying, and the driving mechanism 3 is the main power source of the conveying device; when conveying materials, the driving mechanism 3 outputs power to drive the conveyor belt 6 to move at a certain speed, and the position between the materials is detected by the detection mechanism 4. If the position of the materials shifts, the position of the materials is adjusted by the adjustment mechanism 5.

[0042] The detection area 11, the adjustment area 12 and the conveying area 13 are arranged in sequence on the frame 1 along the conveying direction of the conveyor belt 6. The detection mechanism 4 is located at the detection area 11. The adjustment mechanism 5 is started when it moves to the adjustment area 12. The adjustment mechanism 5 adjusts the friction coefficient by changing the microscopic morphology of the surface of the conveyor belt 6, so as to finely adjust the position of the materials.

[0043] By arranging a detection area 11, an adjustment area 12, and a conveying area 13 on the frame 1, the conveyor belt is invisibly divided into several areas, so that there is no interference between detection and adjustment. First, the detection mechanism 4 judges the position of the material, and then the adjustment mechanism 5 adjusts the position of the material. When the material is conveyed, it is driven by the frictional force of the conveyor belt 6 on the material. When the position of the material deviates, the adjustment mechanism 5 changes the surface form of the conveyor belt 6, thereby reducing the friction coefficient, so as to facilitate the adjustment of the position of the material.

[0044] The conveyor belt 6 is provided with guide strips 61, and the guide seat 2 is provided with guide grooves 21. The guide strips 61 are slidably connected to the guide grooves 21.

[0045] The guide strips 61 on the conveyor belt 6 and the guide grooves 21 on the guide seat 2 cooperate with each other to guide the movement of the conveyor belt 6, thereby preventing the conveyor belt 6 from deviating.

[0046] The guide seat 2 is provided with a first air inlet 22 and a second air inlet 23. The first air inlet 22 and the second air inlet 23 are respectively externally connected to a compressed air source through pipelines. The conveyor belt 6 is provided with a number of placement grooves. Along the conveying direction, a forward area 62, a middle area 63, and a backward area 64 are arranged on the upper edge of the placement groove. The conveyor belt 6 is internally provided with an air guide branch pipe 65 and an adjustment branch pipe 66;

[0047] During adjustment: the air guide branch pipe 65 is communicated with the first air inlet 22, and the adjustment branch pipe 66 is communicated with the second air inlet 23.

[0048] When the detection mechanism 4 detects that the material is located in the middle area 63, it indicates that the position of the material is at the center of the placement groove and no adjustment is required; when the detection mechanism 4 detects that the material is located in the forward area 62 and the backward area 64, it indicates that the position of the material has deviated. At this time, the adjustment mechanism 5 is started to adjust the position of the material. The adjustment mechanism 5 uses compressed gas as power. During adjustment, the compressed gas enters the air guide branch pipe 65 through the first air inlet 22. The air guide branch pipe 65 can direct the air flow to the bottom of the material, further reducing the frictional resistance between the material and the conveyor belt 6, so as to facilitate the adjustment of the position of the material. The compressed gas enters the adjustment branch pipe 66 through the second air inlet 23 to provide power for the adjustment mechanism 5.

[0049] The conveyor belt 6 is also provided with an air outlet 67, an adjustment port 68, and a back blowing port 69. The air outlet 67 and the back blowing port 69 are communicated with the air guide branch pipe 65. The air outlet 67 is located at the forward area 62, and the back blowing port 69 is located at the backward area 64. The adjustment port 68 is communicated with the adjustment branch pipe 66. The adjustment mechanism 5 is located in the adjustment port 68.

[0050] When the position of the material deviates from the middle area 63, if the material is at the forward area 62, the adjusting mechanism 5 can lift the material under the action of compressed gas, so that the contact area between the material and the conveyor belt 6 is reduced, thereby reducing the frictional resistance. And the compressed gas can flow out through the air outlet 67, thus impacting the bottom surface of the material and further reducing the frictional force. In this way, the material at the forward area 62 will move forward a certain distance under the action of its own inertia and then slide to the middle area 63. If the material is at the backward area 64, the adjusting mechanism 5 also lifts the material under the action of compressed gas, and then guides the compressed air flow through the back blowing port 69, so that the flowing direction of the air flow is opposite to the moving direction of the conveyor belt 6. Under the action of the air flow impact force, the material at the backward area 64 is pushed back to the middle area 63. That is, through the combined action of the air outlet 67, the back blowing port 69 and the adjusting mechanism 5 in the adjusting port 68, using the power of the compressed air flow, the position of the material is automatically adjusted, so as to ensure that the distance between the materials is within a suitable range.

[0051] The adjusting mechanism 5 includes a fixing ring 51, a piston column 52 and a supporting spring 53. The fixing ring 51 is fixedly connected to the inner wall of the adjusting port 68, the piston column 52 is slidably connected to the inner wall of the adjusting port 68, one end of the supporting spring 53 is fixedly connected to the fixing ring 51, and the other end of the supporting spring 53 is fixedly connected to the piston column 52.

[0052] The fixing ring 51 is fixed on the adjusting port 68 to provide support for the adjusting mechanism 5. After the compressed gas flows into the adjusting branch pipe 66, it will enter the adjusting port 68, so that a certain pressure is maintained in the adjusting port 68. Under the action of the pressure, the piston column 52 will be pushed to move upward along the adjusting port 68, and the supporting spring 53 is compressed by force. The top end of the piston column 52 extends out of the adjusting port 68, thereby pushing the material away from the conveyor belt 6 and reducing the frictional force between the material and the conveyor belt 6, which is convenient for subsequent adjustment.

[0053] The outlet of the back blowing port 69 is arranged obliquely, and the inclined direction of the outlet of the back blowing port 69 is opposite to the moving direction of the conveyor belt 6.

[0054] The back blowing port 69 at the backward area 64 is used to push the material back to the middle area 63. Therefore, through the back blowing port 69 with an inclined direction opposite to the conveying direction, the flowing direction of the outflowing air flow is opposite to the conveying direction, and the material is pushed back to the middle area by using the impact force of the air flow.

[0055] The elastic force of the supporting spring 53 of the adjusting mechanism 5 at the backward area 64 weakens successively along the conveying direction of the conveyor belt 6, and a ball 54 is rotatably connected to the top end of the piston column 52.

[0056] Since the pressure at the adjustment port 68 is consistent, by setting the support spring 53 with the elastic force gradually weakening along the conveying direction, under the action of the same pressure, the farther the adjustment mechanism 5 is from the middle area 63, the longer the piston column 52 at the adjustment mechanism 5 is lifted. This makes the array composed of a number of adjustment mechanisms 5 in the retreat area 64 in an inclined shape, and the material lifted by the inclined adjustment array can slide automatically towards the middle area 63 under the action of its own gravity, thereby improving the adjustment efficiency. In addition, the ball 54 at the top of the piston column 52 can convert sliding friction into rolling friction, further reducing the frictional resistance, thus facilitating the position adjustment of the material.

[0057] The detection mechanism 4 includes a support frame 41 and a vision detector 42. The support frame 41 is fixedly connected to the frame 1, the vision detector 42 is fixedly connected to the support frame 41, and the detection end of the vision detector 42 faces the conveyor belt 6.

[0058] The vision detector 42 can automatically detect the position on the conveyor belt 6 and, according to the detection result, automatically control the action of the adjustment mechanism 5, thereby realizing the adjustment of the material position.

[0059] The driving mechanism 3 includes a driving motor 31, a driving roller 32, and a driven roller 33. The driving motor 31 is fixedly connected to the frame 1, the output end of the driving motor 31 is drivingly connected to the driving roller 32, the driving roller 32 is rotatably connected to the frame 1, the driven roller 33 is rotatably connected to the frame 1, and the conveyor belt 6 is wound around the driving roller 32 and the driven roller 33.

[0060] The driving motor 31 is the main power source of the driving mechanism 3. During conveying, the driving motor 31 outputs torque, thereby driving the driving roller 32 to rotate on the frame 1, and then driving the conveyor belt 6 wound around the driving roller 32 and the driven roller 33 to move at a certain speed, realizing the conveying of the material.

[0061] The working principle of the present invention: The driving motor 31 drives the conveyor belt 6 to move at a constant speed through the driving roller 32 and the driven roller 33, and the material is conveyed to the working station through the placement groove on the surface of the conveyor belt 6. The guide seat 2 cooperates with the guide strip 61 to ensure the stable running track of the conveyor belt 6 and avoid deviation; when it is detected that the material deviates, the adjustment mechanism 5 performs the following actions through compressed gas: Air film drag reduction: The air guide branch pipe 65 sprays air flow towards the bottom of the material through the air outlet 67 and the back blowing port 69 to form an air film to reduce the friction coefficient; Lifting and returning: The pressure of the compressed gas in the adjustment branch pipe 66 pushes the piston column 52 to lift the material, reducing the contact area between the material and the conveyor belt 6. Combining with the air flow impact at the air outlet 67 or the back blowing port 69, using inertia or reverse thrust to make the material slide back to the middle area 63; In addition, by setting the elastic force of the support spring 53 to decrease along the conveying direction, an inclined lifting surface is formed, and the material automatically slides towards the middle under the action of gravity; The ball 54 at the top of the piston column 53 converts sliding friction into rolling friction, further reducing the frictional resistance.

[0062] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A conveying device for fastener processing with a spacing adjustment function, characterized in that: The conveying device includes a frame (1), a guiding seat (2), a driving mechanism (3), a detection mechanism (4), an adjustment mechanism (5) and a conveyor belt (6). The guiding seat (2) is fixedly connected to the frame (1), the driving mechanism (3) is fixedly connected to the frame (1), the driving mechanism (3) is used to drive the conveyor belt (6) to move, the detection mechanism (4) is fixedly connected to the frame (1), the detection mechanism (4) is used to detect the position of the material on the conveyor belt (6), the adjustment mechanism (5) is located on the conveyor belt (6), and the adjustment mechanism (5) is used to adjust the spacing between materials.

2. The conveying device for fastener processing with a pitch adjustment function according to claim 1, characterized in that: On the frame (1), a detection area (11), an adjustment area (12) and a conveying area (13) are arranged in sequence along the conveying direction of the conveyor belt (6). The detection mechanism (4) is located at the detection area (11). When the adjustment mechanism (5) moves to the adjustment area (12), it is activated. The adjustment mechanism (5) adjusts the friction coefficient by changing the microscopic morphology of the surface of the conveyor belt (6), so as to finely adjust the position of the material.

3. The conveying device for fastener processing with a pitch adjustment function according to claim 2, wherein: The conveyor belt (6) is provided with guiding strips (61), and the guiding seat (2) is provided with guiding grooves (21). The guiding strips (61) are slidably connected to the guiding grooves (21).

4. The conveying device for fastener processing with a pitch adjustment function according to claim 3, characterized in that: The guiding seat (2) is provided with a first air inlet (22) and a second air inlet (23). The first air inlet (22) and the second air inlet (23) are respectively externally connected to a compressed air source through pipelines. The conveyor belt (6) is provided with a number of placement grooves. Along the conveying direction, a forward area (62), a middle area (63) and a backward area (64) are arranged in sequence on the placement grooves. An air guiding branch pipe (65) and an adjustment branch pipe (66) are arranged inside the conveyor belt (6); During adjustment: the air guiding branch pipe (65) is communicated with the first air inlet (22), and the adjustment branch pipe (66) is communicated with the second air inlet (23).

5. The conveying device for fastener processing with a spacing adjustment function according to claim 4, characterized in that: The conveyor belt (6) is further provided with an air outlet (67), an adjustment port (68) and a back blowing port (69). The air outlet (67) and the back blowing port (69) are communicated with the air guiding branch pipe (65). The air outlet (67) is located at the forward area (62), the back blowing port (69) is located at the backward area (64), the adjustment port (68) is communicated with the adjustment branch pipe (66), and the adjustment mechanism (5) is located inside the adjustment port (68).

6. The conveying device for fastener processing with a spacing adjustment function according to claim 5, characterized in that: The adjustment mechanism (5) includes a fixing ring (51), a piston column (52) and a support spring (53). The fixing ring (51) is fixedly connected to the inner wall of the adjustment port (68), the piston column (52) is slidably connected to the inner wall of the adjustment port (68), one end of the support spring (53) is fixedly connected to the fixing ring (51), and the other end of the support spring (53) is fixedly connected to the piston column (52).

7. The conveying device for fastener processing with a spacing adjustment function according to claim 5, characterized in that: The outlet of the back blowing port (69) is arranged obliquely, and the inclination direction of the outlet of the back blowing port (69) is opposite to the moving direction of the conveyor belt (6).

8. The conveying device for fastener processing with a spacing adjustment function according to claim 6, characterized in that: The elastic force of the support spring (53) of the adjustment mechanism (5) located at the backward area (64) weakens in sequence along the conveying direction of the conveyor belt (6). A ball (54) is rotatably connected to the top end of the piston column (52).

9. The conveying device for fastener processing with a spacing adjustment function according to claim 2, characterized in that: The detection mechanism (4) includes a support frame (41) and a vision detector (42). The support frame (41) is fixedly connected to the machine frame (1), and the vision detector (42) is fixedly connected to the support frame (41). The detection end of the vision detector (42) faces the conveyor belt (6).

10. The conveying device for fastener processing with a pitch adjustment function according to claim 2, characterized in that: The drive mechanism (3) includes a drive motor (31), a drive roller (32), and a driven roller (33). The drive motor (31) is fixedly connected to the machine frame (1), the output end of the drive motor (31) is drivingly connected to the drive roller (32), the drive roller (32) is rotatably connected to the machine frame (1), the driven roller (33) is rotatably connected to the machine frame (1), and the conveyor belt (6) is wound around the drive roller (32) and the driven roller (33).

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