Spacing-adjustable feeding and discharging mechanism

Abstract

The utility model relates to the technical field of feeding and discharging mechanisms, in particular to a distance-adjustable feeding and discharging mechanism which comprises a displacement driver, a conveying frame, a conveying device, a conveying driver, a distance adjusting driver and a limiting device. The number of the conveying devices is two, and the two conveying devices are oppositely arranged. The conveying driver is fixed to the conveying frame and used for driving the two conveying devices to operate at the same time. The distance adjusting driver is fixed to the conveying frame and used for driving the two conveying devices to be close to or away from each other. The limiting device is arranged at one end of the conveying driver and used for adjusting the position of materials on the conveying device. The distance adjusting, conveying and positioning functions are integrated, the conveying efficiency and the positioning precision are improved, materials are not prone to deviation in the conveying process, manual secondary adjustment is not needed, and the follow-up machining precision is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a feeding and discharging mechanism technical field especially relates to a adjustable interval's feeding and discharging mechanism. BACKGROUND

[0002] In the automatic production line, the feeding and discharging mechanism is the core component of realizing material efficient flow. In the prior art, the traditional feeding and discharging mechanism generally has the problems of insufficient conveying efficiency and positioning accuracy, and the conventional conveying device is designed with fixed spacing, which is difficult to adapt to the conveying needs of different size materials, resulting in limited equipment applicability. At the same time, the material is easy to deviate during conveying, and needs to rely on manual secondary adjustment, which not only reduces the production efficiency, but also may affect the subsequent processing accuracy due to positioning error, so it is necessary to improve. UTILITY MODEL CONTENTS

[0003] The utility model discloses a feeding and discharging mechanism with adjustable spacing, which integrates distance adjustment, conveying and positioning functions, significantly improves conveying efficiency and positioning accuracy, adapts to the conveying needs of different size materials, and ensures subsequent processing accuracy.

[0004] To achieve the above object, the utility model discloses a feeding and discharging mechanism with adjustable spacing, which comprises a displacement driver, a conveying frame, a conveying device, a conveying driver, a distance adjustment driver and a limiting device,

[0005] The displacement driver is used to drive the displacement of the conveying frame;

[0006] The number of conveying devices is two, and the two conveying devices are oppositely arranged;

[0007] The conveying driver is fixed to the conveying frame and is used to drive the operation of the two conveying devices at the same time;

[0008] The distance adjustment driver is fixed to the conveying frame and is used to drive the two conveying devices to approach or move away;

[0009] The limiting device is arranged at one end of the conveying driver and is used to adjust the position of the material on the conveying device.

[0010] Preferably, the conveying device comprises a conveying support, a driving wheel, a driven wheel, a conveyor belt and a support slide,

[0011] The conveying support is connected with the distance adjustment driver;

[0012] The number of driven wheels is at least two, and the driving wheel and the at least two driven wheels are respectively rotatably arranged on one side of the conveying support;

[0013] The conveying belt is sleeved between the driving wheel and the driven wheel and is in friction transmission connection with the driving wheel and the driven wheel;

[0014] The supporting slide is arranged between the two driven wheels and is in sliding connection with the bottom side of the conveying belt.

[0015] Preferably, the top of the conveying support is provided with a supporting groove, and the horizontal height of the supporting groove is lower than the horizontal height of the conveying belt.

[0016] The supporting groove is provided with a first mounting position and a second mounting position, the first mounting position is provided with a first photoelectric sensor, and the first photoelectric sensor is used for monitoring the position of the material conveyed on the conveying belt.

[0017] The second mounting position is provided with a second photoelectric sensor, and the second photoelectric sensor is used for monitoring the spacing between the two conveying supports of the two conveying devices.

[0018] Preferably, the conveying frame comprises a connecting seat, a first supporting part and a second supporting part,

[0019] The connecting seat is connected with the displacement driver;

[0020] The first supporting part is arranged on the connecting seat and is used for being connected with the distance adjusting driver;

[0021] The second supporting part is arranged on the first supporting part and is used for being connected with the conveying driver;

[0022] The second supporting part is provided with a avoiding hole, and one end of the conveying driver is arranged in the avoiding hole.

[0023] Preferably, the conveying driver is provided with a transmission shaft for outputting torque,

[0024] The transmission shaft is provided with at least one driving surface, the driving wheel is provided with a transmission connection hole in the axial direction of the transmission shaft, the transmission shaft is in sliding connection with the transmission connection hole in the axial direction of the transmission shaft, and the transmission connection hole is provided with an engaging surface;

[0025] The transmission shaft is in contact with the engaging surface of the driving wheel through the driving surface and transmits torque.

[0026] Preferably, the conveying support is provided with an outwardly extending connecting piece,

[0027] The limiting device comprises a limiting driver, a limiting abutting piece and a limiting positioning piece,

[0028] The limiting driver is fixed to the connecting piece and is used for driving the limiting abutting piece to be close to or away from the conveying belt;

[0029] The limiting positioning piece is arranged at the end of the conveying support and is used for material positioning.

[0030] Preferably, the limiting abutting piece comprises a connecting part, an abutting part and a guide sliding part,

[0031] The connecting part is connected with the limiting driver, the abutting part is arranged at the side of the connecting part away from the limiting driver, and the guide sliding parts are respectively arranged at two ends of the abutting part in an inclined manner.

[0032] The limiting positioning piece comprises a fixing part and a limiting part, the fixing part is connected with the conveying support, and the limiting part is arranged at one side of the fixing part and extends to the conveying belt direction.

[0033] Preferably, the distance adjusting driver is provided with the same number of displacement sliders as the conveying devices, and the displacement sliders are connected with the conveying devices one by one.

[0034] The distance adjusting driver is used for driving the displacement sliders to be close to or away from each other along the axial direction of the distance adjusting driver.

[0035] Preferably, the displacement driver is fixedly provided with a mounting plate, and the mounting plate is provided with a plurality of mounting holes in a penetrating manner.

[0036] The displacement driver drives the conveying frame to be displaced to a preset position and be connected with a production line, the distance adjusting driver drives the two conveying devices to be close to or away from each other to adapt to the size of the material, then the distance adjusting driver keeps the adjusted state, the material is placed on the conveying device, the limiting device adjusts the position of the material on the conveying device, when the material is at the preset position, the conveying driver simultaneously drives the two conveying devices to operate, and the material conveying is realized. By integrating the distance adjusting, conveying and positioning functions, the conveying efficiency and positioning accuracy are significantly improved, the conveying demand of materials of different sizes is met, the material is not easy to deviate in the conveying process, manual secondary adjustment is not needed, and the subsequent machining precision is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 It is a structural schematic view of the utility model.

[0038] Figure 2 It is a structural schematic view of the conveying frame, the conveying device, the conveying driver and the limiting device of the utility model.

[0039] Figure 3 It is an exploded state structural schematic view of the transmission shaft and the driving wheel of the utility model.

[0040] Figure 4 It is the structural schematic view of displacement driver and distance adjusting driver of the utility model.

[0041] The reference signs include:

[0042] 1, displacement driver; 11, mounting plate; 111, mounting hole;

[0043] 2, conveying frame; 21, connecting seat; 22, first support part; 23, second support part; 231, avoiding hole;

[0044] 3, conveying device; 31, conveying support piece; 311, support groove; 312, first mounting position; 313, second mounting position; 314, first photoelectric sensor; 315, second photoelectric sensor; 316, connecting piece; 32, driving wheel; 321, meshing surface; 33, driven wheel; 34, conveying belt; 35, support slide bar;

[0045] 4, conveying driver; 41, transmission shaft; 42, driving surface;

[0046] 5, distance adjusting driver; 51, displacement slider;

[0047] 6, limiting device; 61, limiting driver; 62, limiting abutting part; 621, connecting part; 622, abutting part; 623, guide sliding part; 63, limiting positioning part; 631, fixed part; 632, limiting part. DETAILED DESCRIPTION

[0048] The utility model will be described in detail below in combination with the drawings.

[0049] As Figures 1 to 4 shown, the utility model discloses a distance-adjustable feeding and discharging mechanism, which comprises a displacement driver 1, a conveying frame 2, a conveying device 3, a conveying driver 4, a distance adjusting driver 5 and a limiting device 6.

[0050] The displacement driver 1 is used for driving the displacement of the conveying frame 2; the conveying device 3 comprises two conveying devices 3, and the two conveying devices 3 are oppositely arranged; the conveying driver 4 is fixed to the conveying frame 2 and is used for simultaneously driving the operation of the two conveying devices 3; the distance adjusting driver 5 is fixed to the conveying frame 2 and is used for driving the two conveying devices 3 to move close to or away from each other; and the limiting device 6 is arranged at one end of the conveying driver 4 and is used for adjusting the position of the material on the conveying device 3.

[0051] Specifically, the displacement driver 1 is linked with the conveying frame 2 to realize the overall displacement of the conveying device 3 and flexibly match the layout of the production line. The double conveying devices 3 are synchronously driven by a single conveying driver 4 to ensure the synchronous and stable conveying of the materials and improve the efficiency. The distance adjustment driver 5 adjusts the distance between the two conveying devices 3 to adapt to different sizes of materials and reduce manual intervention. The limiting device 6 is arranged at the conveying driving end to limit the materials and correct the position of the materials in real time, thereby ensuring the positioning accuracy.

[0052] In use, the conveying frame 2 is driven by the displacement driver 1 to the preset position and is connected with the production line. After the distance adjustment driver 5 drives the two conveying devices 3 to approach or move away to adapt to the size of the materials, the distance adjustment driver 5 is kept in the adjusted state. The materials are placed on the conveying devices 3. The limiting device 6 adjusts the position of the materials on the conveying devices 3. When the materials are in the preset position, the conveying driver 4 simultaneously drives the two conveying devices 3 to operate, thereby realizing the conveying of the materials.

[0053] By integrating the distance adjustment, conveying and positioning functions, the conveying efficiency and positioning accuracy are significantly improved. The conveying of the materials of different sizes is adapted to. The materials are not easy to deviate in the conveying process, and manual secondary adjustment is not needed, thereby ensuring the subsequent machining accuracy.

[0054] As shown in Figures 2 to 4 the conveying device 3 of the embodiment comprises a conveying support 31, a driving wheel 32, a driven wheel 33, a conveying belt 34 and a support sliding strip 35.

[0055] The conveying support 31 is connected with the distance adjustment driver 5. The number of the driven wheels 33 is at least two. The driving wheel 32 and the at least two driven wheels 33 are respectively rotationally arranged on one side of the conveying support 31. The conveying belt 34 is sleeved between the driving wheel 32 and the driven wheel 33 and is frictionally connected with the driving wheel 32 and the driven wheel 33. The support sliding strip 35 is arranged between the two driven wheels 33 and is slidingly connected with the bottom side of the conveying belt 34.

[0056] Specifically, through the cooperation of the driving wheel 32 and the multiple driven wheels 33, the conveying belt 34 forms a multi-point support structure, which can disperse the material load, reduce local stress concentration, avoid the deviation or slipping of the conveying belt 34, and is especially suitable for the conveying of materials of different sizes and weights, thereby improving the conveying stability and adaptability.

[0057] The conveying support 31 is directly connected with the distance adjustment driver 5. When the distance is adjusted, the power is transmitted through the rigid structure, thereby ensuring the synchronous and accurate adjustment of the distance between the two conveying devices 3, avoiding the error caused by the transmission gap, and enhancing the reliability of the distance adjustment process.

[0058] The support slide 35 is arranged between the two driven wheels 33 and is in sliding connection with the bottom side of the conveying belt 34, can support the bottom of the conveying belt 34, prevent it from sagging due to gravity or material pressure, reduce the friction resistance, prolong the service life of the conveying belt 34, and reduce the wear and energy loss of the conveying belt 34.

[0059] The driving wheel 32, the driven wheel 33 and the support slide 35 are integrated on the conveying support 31 to form an independent module, which is convenient for quick replacement or maintenance and reduces downtime; the direct connection of the distance adjusting driver 5 and the conveying support 31 also reduces the complexity of the mechanical structure, simplifies the maintenance and improves the modular design.

[0060] The conveying belt 34 is frictionally driven between the driving wheel 32 and the driven wheel 33, and cooperates with the limiting action of the support slide 35 to correct the running track of the conveying belt 34 in real time, ensure that the material maintains the preset position during the conveying process, reduce manual intervention, dynamically correct the deviation and accurately position.

[0061] As shown in Figure 2 The top of the conveying support 31 is provided with a support groove 311, and the horizontal height of the support groove 311 is lower than the horizontal height of the conveying belt 34; the support groove 311 is provided with a first mounting position 312 and a second mounting position 313, the first mounting position 312 is provided with a first photoelectric sensor 314, and the first photoelectric sensor 314 is used for monitoring the position of the material conveyed on the conveying belt 34; the second mounting position 313 is provided with a second photoelectric sensor 315, and the second photoelectric sensor 315 is used for monitoring the distance between the two conveying supports 31 of the two conveying devices 3.

[0062] Specifically, the first photoelectric sensor 314 is used to detect the transverse position of the material on the conveying belt 34 in real time, so as to dynamically adjust the limiting device 6 or the conveying speed, avoid the deviation of the material, reduce the demand for manual deviation correction, accurately monitor the position of the material, and improve the positioning accuracy.

[0063] The second photoelectric sensor 315 monitors the distance change between the two conveying supports 31, eliminates the mechanical transmission error, ensures the accuracy and stability of the distance adjusting process, and ensures the synchronization.

[0064] The horizontal height of the support groove 311 is lower than that of the conveying belt 34, so that the material only contacts with the conveying belt 34, avoiding direct friction with the support, and reducing the risk of surface damage of the material.

[0065] The photoelectric sensor is linked with the distance adjusting driver 5 and the conveying driver 4, which is convenient for realizing real-time response control of the position and distance of the material, reducing manual intervention, improving the intelligent level of the production line, and enhancing the automatic control ability.

[0066] The first photoelectric sensor 314 is a photoelectric switch or a safety light curtain. In this embodiment, the first photoelectric sensor 314 is exemplified by a photoelectric switch. The second photoelectric sensor 315 is a displacement sensor, such as a laser displacement sensor, a red light displacement sensor, or an infrared light displacement sensor. In this embodiment, the second photoelectric sensor 315 is exemplified by a red light displacement sensor.

[0067] As shown in Figure 2 and Figure 4 The conveying frame 2 includes a connecting seat 21, a first support part 22, and a second support part 23.

[0068] The connecting seat 21 is connected with the displacement driver 1. The first support part 22 is arranged on the connecting seat 21 and is used to be connected with the distance adjustment driver 5. The second support part 23 is arranged on the first support part 22 and is used to be connected with the conveying driver 4. The second support part 23 is provided with a avoiding hole 231, and one end of the conveying driver 4 is arranged in the avoiding hole 231.

[0069] Specifically, the conveying frame 2 is divided into the connecting seat 21, the first support part 22, and the second support part 23, which are independently designed and assembled through mechanical connection (such as bolts or buckles), facilitating quick disassembly, replacement, or maintenance of individual components, reducing downtime, modularizing the split support structure, and improving installation and maintenance efficiency.

[0070] The second support part 23 is provided with the avoiding hole 231, so that one end of the conveying driver 4 is arranged in the avoiding hole 231, avoiding the space interference between the driver and the support structure, reducing the overall equipment volume, adapting to the narrow site demand, optimizing the space layout, and enhancing the compactness of the equipment. At the same time, the avoiding hole 231 provides the conveying driver 4 with a motion redundancy space, preventing the driver from colliding with other components during distance adjustment or displacement, reducing the risk of equipment failure, avoiding motion interference, and improving safety.

[0071] The connecting seat 21 is rigidly connected with the displacement driver 1, ensuring the accuracy of the overall displacement of the conveying frame 2. The first support part 22 directly bears the distance adjustment driver 5, shortening the power transmission path and reducing vibration and delay during distance adjustment. The second support part 23 fixes the conveying driver 4, preventing the driver from being deviated due to external force and ensuring the stability of conveying.

[0072] The split support structure allows the relative position of the first support part 22 and the second support part 23 to be flexibly adjusted or different specifications of support parts to be replaced according to the size of the material or the process demand, adapts to various production scenes, and enhances the adaptability and expansibility of the equipment.

[0073] As shown in Figure 2 and Figure 3As shown, the conveyor driver 4 in this embodiment is equipped with a transmission shaft 41 for conveying torque. The conveyor driver 4 is a motor, such as a geared motor, servo motor, or stepper motor. In this embodiment, the conveyor driver 4 is exemplified by a stepper motor. The stepper motor can adjust the torque output in real time, and in conjunction with the pitch adjustment driver 5, it dynamically responds to changes in pitch, achieving seamless connection between pitch adjustment and conveying, and improving the automation level of the production line.

[0074] The drive shaft 41 is provided with at least one drive surface 42, and the drive wheel 32 is provided with a drive connection hole along the axial direction of the drive shaft 41. The drive shaft 41 and the drive connection hole are slidably connected along the axial direction of the drive shaft 41. The drive connection hole is provided with a meshing surface 321. The drive shaft 41 contacts the meshing surface 321 of the drive wheel 32 through the drive surface 42 and transmits torque.

[0075] Specifically, the transmission connection hole between the transmission shaft 41 and the drive wheel 32 adopts an axial sliding fit. When adjusting the distance, the drive wheel 32 can move axially to adapt to the change in distance. There is no need to disassemble the transmission shaft 41 or recalibrate the motor position, which significantly shortens the adjustment time. When the adjustment driver 5 drives the two conveying devices 3 to adjust the distance, the transmission shaft 41 and the drive wheel 32 slide axially to adjust the distance of the two conveying devices 3, thereby realizing rapid adjustment.

[0076] The driving surface 42 of the drive shaft 41 is in direct contact with the meshing surface 321 of the drive wheel 32 (such as keyway, spline or gear meshing). Torque is transmitted through surface contact, eliminating the risk of elastic deformation of traditional belt or chain drive, ensuring stable torque transmission, and avoiding the conveyor belt 34 from running off track or slipping. High-precision torque transmission and anti-slipping are not affected at the same time.

[0077] The sliding connection structure between the drive wheel 32 and the drive shaft 41 eliminates the need for additional couplings or clutches, reducing mechanical wear and the number of parts, lowering the failure rate, simplifying maintenance, and improving reliability.

[0078] like Figure 2 As shown, the conveying support 31 in this embodiment is provided with an outwardly extending connector 316, wherein the connector 316 is a connecting plate or a connecting rod. In this embodiment, the connector 316 is used as an example of a connecting plate, so that the limiting device 6 can be connected to the conveying support 31.

[0079] The limiting device 6 includes a limiting driver 61, a limiting contact member 62, and a limiting positioning member 63. The limiting driver 61 is a cylinder, an electric cylinder, or a hydraulic cylinder. In this embodiment, the limiting driver 61 is an electric cylinder.

[0080] The limiting driver 61 is fixed to the connecting piece 316 and is used to drive the limiting abutting piece 62 to approach or move away from the conveying belt 34; the limiting positioning piece 63 is arranged at the end of the conveying support 31 and is used for material positioning.

[0081] Specifically, the limiting driver 61 drives the limiting abutting piece 62 to approach or move away from the conveying belt 34, and corrects the lateral deviation of the material in real time; the limiting positioning piece 63 is fixed to the end of the conveying support 31, and is used as a fixed stop block or a sensor triggering point to ensure that the material stops or aligns at a preset position.

[0082] As shown in Figure 2 The limiting abutting piece 62 of the embodiment includes a connecting part 621, an abutting part 622 and a guide sliding part 623. The connecting part 621 is connected with the limiting driver 61, the abutting part 622 is arranged on the side of the connecting part 621 away from the limiting driver 61, and the guide sliding part 623 is arranged at the two ends of the abutting part 622 respectively. The limiting positioning piece 63 includes a fixed part 631 and a limiting part 632. The fixed part 631 is connected with the conveying support 31, and the limiting part 632 is arranged on one side of the fixed part 631 and extends towards the conveying belt 34.

[0083] Specifically, the guide sliding part 623 of the limiting abutting piece 62 is arranged at the two ends of the abutting part 622 in an inclined manner, forming a slope guide structure. When the material deviates laterally, the guide sliding part 623 guides the material to automatically slide back to the preset path through the inclined surface, reducing the friction resistance and the risk of jamming. Preferably, the abutting part 622 is made of elastic material (such as rubber or silicone), which can avoid damage to the material caused by rigid collision with the material.

[0084] The limiting part 632 of the limiting positioning piece 63 extends towards the conveying belt 34, forming a fixed physical stop block to ensure that the material stops accurately at the end of conveying or at the switching position of the work station; the abutting part 622 applies controllable pressure through the limiting driver 61, and cooperates with the limiting part 632 to realize bidirectional clamping of the material, avoiding secondary deviation caused by inertia or vibration.

[0085] As shown in Figure 4 The distance adjusting driver 5 of the embodiment is provided with a same number of displacement sliders 51 as the conveying devices 3, and each displacement slider 51 is connected with one conveying device 3 in a one-to-one manner; the distance adjusting driver 5 is used to drive the displacement sliders 51 to approach or move away from each other along the axial direction of the distance adjusting driver 5.

[0086] Specifically, each conveying device 3 is directly connected with the distance adjusting driver 5 through an independent displacement slider 51, and the distance adjusting driver 5 drives all the sliders to move synchronously in a coaxial manner, ensuring the absolute consistency of the spacing adjustment between the two conveying devices 3 and avoiding the cumulative error of the traditional connecting rod or chain transmission.

[0087] The distance adjusting driver 5 is a driving module combined with a double-rotation screw and a motor or a driving module combined with two linear motors in the axial direction.

[0088] As shown in Figure 4 The installation plate 11 is provided with a plurality of installation holes 111.

[0089] Specifically, the installation plate 11 is provided with a plurality of installation holes 111, so that the displacement driver 1 can be flexibly adapted to different equipment bases or production line interfaces through bolts and other fasteners, without the need of customizing installation supports, thereby shortening the equipment debugging time, realizing modularized quick installation, and reducing the deployment difficulty.

[0090] The displacement driver 1 is a driving module combined with a double-rotation screw and a motor or a linear motor.

[0091] The above is only a preferred embodiment of the present application, and for those skilled in the art, the specific implementation and application range can be changed according to the idea of the present application, and the content of the specification should not be understood as a limitation of the present application.

Claims

1. An adjustable pitch loading and unloading mechanism, characterized in that, The displacement driver (1), the conveying frame (2), the conveying device (3), the conveying driver (4), the distance adjusting driver (5) and the limiting device (6) are provided, The displacement driver (1) is used for driving the displacement of the conveying frame (2); The conveying device (3) is provided in two numbers, and the two conveying devices (3) are oppositely arranged; The conveying driver (4) is fixed to the conveying frame (2) and is used for simultaneously driving the operation of the two conveying devices (3); The distance adjusting driver (5) is fixed to the conveying frame (2) and is used for driving the two conveying devices (3) to be close or far away; The limiting device (6) is arranged at one end of the conveying driver (4) and is used for adjusting the position of the material on the conveying device (3).

2. The adjustable spacing infeed and outfeed mechanism of claim 1, wherein, The conveying device (3) comprises a conveying support (31), a driving wheel (32), a driven wheel (33), a conveying belt (34) and a support sliding strip (35), The conveying support (31) is connected with the distance adjusting driver (5); The number of the driven wheel (33) is at least two, and the driving wheel (32) and the at least two driven wheels (33) are respectively rotationally arranged on one side of the conveying support (31); The conveying belt (34) is sleeved between the driving wheel (32) and the driven wheel (33) and is frictionally connected with the driving wheel (32) and the driven wheel (33); The support sliding strip (35) is arranged between the two driven wheels (33) and is slidingly connected with the bottom side of the conveying belt (34).

3. The adjustable spacing infeed and outfeed mechanism of claim 2, wherein, The top of the conveying support (31) is provided with a support groove (311), and the horizontal height of the support groove (311) is lower than the horizontal height of the conveying belt (34); The support groove (311) is provided with a first mounting position (312) and a second mounting position (313), the first mounting position (312) is provided with a first photoelectric sensor (314), and the first photoelectric sensor (314) is used for monitoring the position of the material conveyed on the conveying belt (34); The second mounting position (313) is provided with a second photoelectric sensor (315), and the second photoelectric sensor (315) is used for monitoring the spacing between the two conveying supports (31) of the two conveying devices (3).

4. The adjustable spacing infeed and outfeed mechanism of claim 2, wherein, The conveying frame (2) comprises a connecting seat (21), a first support part (22) and a second support part (23), The connecting seat (21) is connected with the displacement driver (1); The first support part (22) is arranged on the connecting seat (21) and is used for being connected with the distance adjusting driver (5); The second support part (23) is arranged on the first support part (22) and is used for being connected with the conveying driver (4); The second support part (23) is provided with an avoiding hole (231), and one end of the conveying driver (4) penetrates the avoiding hole (231).

5. The adjustable spacing infeed and outfeed mechanism of claim 2, wherein, The conveying driver (4) is provided with a transmission shaft (41) for outputting torque, The transmission shaft (41) is provided with at least one driving surface (42), the driving wheel (32) is provided with a transmission connection hole in the axial direction of the transmission shaft (41), the transmission shaft (41) and the transmission connection hole are in sliding connection in the axial direction of the transmission shaft (41), and the transmission connection hole is provided with an engagement surface (321); The transmission shaft (41) is in contact with the engagement surface (321) of the driving wheel (32) through the driving surface (42) and transmits torque.

6. The adjustable spacing infeed and outfeed mechanism of claim 2, wherein, The conveying support (31) is provided with an outwardly extending connecting piece (316), The limiting device (6) comprises a limiting driver (61), a limiting abutting piece (62) and a limiting positioning piece (63), The limiting driver (61) is fixed to the connecting piece (316) and is used for driving the limiting abutting piece (62) to be close to or away from the conveying belt (34); The limiting positioning piece (63) is arranged at the end of the conveying support (31) and is used for material positioning.

7. The adjustable spacing infeed and outfeed mechanism of claim 6, wherein, The limiting abutting piece (62) comprises a connecting portion (621), an abutting portion (622) and a guide portion (623), The connecting portion (621) is connected with the limiting driver (61), the abutting portion (622) is arranged on the side of the connecting portion (621) away from the limiting driver (61), and the guide portions (623) are respectively arranged at the two ends of the abutting portion (622) in an inclined manner; The limiting positioning piece (63) comprises a fixed portion (631) and a limiting portion (632), the fixed portion (631) is connected with the conveying support (31), and the limiting portion (632) is arranged on one side of the fixed portion (631) and extends in the direction of the conveying belt (34).

8. The adjustable spacing infeed and outfeed mechanism of claim 1, wherein, The pitch adjusting driver (5) is provided with the same number of displacement sliders (51) as the conveying devices (3), and the displacement sliders (51) are connected with the conveying devices (3) in one-to-one correspondence. The pitch adjusting driver (5) is used for driving the displacement sliders (51) to be close to or away from each other in the axial direction of the pitch adjusting driver (5).

9. The adjustable spacing infeed and outfeed mechanism of claim 1, wherein, The displacement driver (1) is fixedly provided with a mounting plate (11), and the mounting plate (11) is provided with a plurality of mounting holes (111).

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