A conveyor belt with adjustable curvature

Abstract

The present application relates to the field of conveying belt, and specifically discloses a conveying belt with adjustable bending degree, which solves the problem that the traditional conveying belt is difficult to arrange the transportation path flexibly. The conveying belt comprises a segmented structure, which is formed by sequentially hinging a first conveying section, a middle conveying section and a last conveying section. Each section comprises a frame assembly composed of an inner support plate, an outer support plate, an upper support strip and a lower support strip, which forms a containing cavity to protect internal mechanical components. A transmission chain assembly is composed of a plurality of chain plate units, which are provided with guide flanges on both sides and embedded in mounting grooves to form a continuous material support surface. A driving system comprises a rotating gear, a transmission shaft and a motor, which drives the chain movement by inserting the gear top into the chain plate unit insertion hole. A bending degree adjusting mechanism is located at the hinge between adjacent conveying sections, which comprises an adjusting gear and an arc-shaped tooth plate. The motor drives the gear to rotate along the arc-shaped tooth plate to achieve angle adjustment, so that the conveying belt can provide a flexible and variable transmission path, and the adaptability of the equipment and the efficiency of the production line are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of conveying belt, in particular to a conveying belt with adjustable bending degree. BACKGROUND

[0002] Conveying belt, also known as conveying or transmission belt, is a device used for continuous transportation of materials between different processing points.

[0003] Traditional conveying belts usually have fixed shape and structure, which cannot be adjusted according to different conveying routes. For production lines that need to run in complex spatial layout, traditional straight-line conveying belts are difficult to meet the needs. Especially in cases where the direction needs to be changed or flexible arrangement in three-dimensional space is required, the traditional design is not up to the task; once the fixed-structure conveying belt is installed, any modification or adjustment often requires a large amount of engineering, including disassembly, reconfiguration, or even replacement of the entire system, which not only consumes time but also increases maintenance costs; in some application scenarios, such as packaging industry or automated assembly line, due to the diversity of materials and changes in production line layout, traditional conveying belts cannot effectively respond to these changes, resulting in decreased production efficiency, and even problems such as material blockage or damage. SUMMARY

[0004] The purpose of the present application is to provide a conveying belt with adjustable bending degree, which solves the technical problem of flexible arrangement of transportation path in the use process of the current traditional conveying belt device.

[0005] The present application provides a conveying belt with adjustable bending degree, comprising: a segmented conveying structure, including a first end conveying segment, a middle end conveying segment and a last end conveying segment connected in sequence, each conveying segment comprising a frame assembly, the frame assembly being formed by an inner support plate, an outer support plate, an upper support bar and a lower support bar to form a containing cavity; a transmission chain assembly, comprising a plurality of chain plate units, each chain plate unit being provided with guide flanges on both sides and being slidably embedded in the mounting slot on the top of the inner and outer support plates to form a continuous material support surface; a drive system, including a rotating gear, a transmission shaft and a conveying drive motor, the rotating gear being installed in the containing cavity of the first end conveying segment through a bearing, the tooth top of the rotating gear being insertable into the insertion hole of the chain plate unit to drive the transmission chain to move; a bending degree adjustment mechanism, provided at the hinge of adjacent conveying segments, comprising meshed adjustment gears and arc-shaped tooth plates, the adjustment gears being driven by a motor to rotate along the arc-shaped tooth plates to adjust the angle of adjacent conveying segments.

[0006] According to one embodiment of the present application, the adjustment gears of the bending degree adjustment mechanism are axially perpendicular to the extension plane of the conveying segment, and the adjustment gears are arranged at the last end of the previous conveying segment, and the arc-shaped tooth plates are arranged at the first end of the next conveying segment.

[0007] According to one embodiment of the present application, the number of middle-end conveying sections is at least two, and adjacent middle-end conveying sections are connected through the curvature adjustment mechanism.

[0008] According to one embodiment of the present application, the chain plate unit comprises: a base plate part having a material contact plane; a first hinge part and a second hinge part arranged at both ends of the base plate part; and a guide flange extending along both sides of the base plate part, the cross-sectional shape of which is adapted to the cross-sectional shape of the mounting groove.

[0009] According to one embodiment of the present application, a spring compensation mechanism is further included, which is connected between adjacent conveying sections to buffer stress fluctuations when the conveying belt is bent.

[0010] According to one embodiment of the present application, a self-lubricating gasket is arranged in the mounting groove, and the thickness of the gasket is 1 / 5-1 / 3 of the height of the mounting groove.

[0011] According to one embodiment of the present application, an auxiliary support system is further included, which comprises: a main support base having an inverted T-shaped cross section; and a bracket arranged on the top of the main support base, the bracket being provided with a receiving groove matching the shape of the conveying section.

[0012] According to one embodiment of the present application, the bracket bottom is provided with anti-skid foot pads made of high-friction coefficient rubber material.

[0013] According to one embodiment of the present application, an airflow control system is further included, which comprises: a suction part arranged in the accommodating cavity of the first-end conveying section; and an array of adsorption holes uniformly distributed on the material contact plane of the chain plate unit.

[0014] According to one embodiment of the present application, an intelligent control system is further included, which comprises: a PLC controller electrically connected with the driving system; a laser scanner arranged at the feeding end of the conveying belt; and strain gauge sensors arranged at intervals on each frame assembly.

[0015] The technical solution of the present application has at least the following advantages and beneficial effects:

[0016] The application adjusts the bending degree of the conveying belt according to actual needs, adapts to complex space layout and variable conveying route through the segmented conveying structure and the bending degree adjusting mechanism arranged at the hinge of adjacent conveying sections, solves the problem of inconvenient arrangement of the traditional straight conveying belt in three-dimensional space, improves the overall flexibility of the production line, and greatly reduces the maintenance cost and time consumption by only fine-tuning the specific part when the production demand changes or the equipment needs to be adjusted, instead of large-scale disassembly and reconfiguration as the traditional conveying belt; the conveying belt is equipped with an intelligent control system including a PLC controller, a laser scanner and a strain gauge sensor, which can realize accurate control of the material conveying process, thereby improving the production efficiency; the self-lubricating gasket reduces the friction when the transmission chain assembly moves, prolongs the service life of the equipment, and reduces the noise level; the spring compensation mechanism can buffer stress fluctuation during the bending of the conveying belt, and protects the equipment from damage; and the anti-skid foot pad in the auxiliary support system increases the stability of the whole device and ensures the operation safety. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 The overall structure schematic diagram of the adjustable bending degree conveying belt provided for the embodiment 1 of the present application.

[0019] Figure 2 The relative position schematic diagram of the rotating gear, conveying drive motor and air suction member of the adjustable bending degree conveying belt provided for the embodiment 1 of the present application.

[0020] Figure 3 The front view of the adjustable bending degree conveying belt provided for the embodiment 1 of the present application, which omits each inner support plate.

[0021] Figure 4 The bending degree adjusting mechanism structure schematic diagram of the adjustable bending degree conveying belt provided for the embodiment 1 of the present application.

[0022] Figure 5 The chain plate unit structure schematic diagram of the adjustable bending degree conveying belt provided for the embodiment 1 of the present application.

[0023] Figure 6 The overall structure schematic diagram of the adjustable bending degree conveying belt provided for the embodiment 2 of the present application.

[0024] Reference signs:

[0025] 100, head conveying section; 111, inner support plate; 112, outer support plate; 113, upper support bar;

[0026] 210, chain plate unit; 211, base plate part; 212, first hinge part; 213, second hinge part; 214, guide flange;

[0027] 310, rotating gear; 320, conveying driving motor;

[0028] 410, adjusting gear; 420, arc-shaped toothed plate;

[0029] 500, spring;

[0030] 710, main support base; 720, support;

[0031] 810, air suction member;

[0032] 900, auxiliary support plate. DETAILED DESCRIPTION

[0033] To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will be combined with the accompanying drawings for the embodiments of the present application to make a clear and complete description of the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the accompanying drawings can be arranged and designed in various different configurations.

[0034] Embodiment 1

[0035] In the embodiment 1 of the present application, a conveying belt with adjustable bending degree is provided to provide a conveying belt with flexible adjustable conveying path.

[0036] Referring to Figure 1 The conveying belt with adjustable bending degree provided by the embodiment of the present application comprises:

[0037] The segmented conveying structure comprises a head conveying section 100, a middle conveying section and a tail conveying section which are sequentially hinged, each conveying section comprises a frame assembly, the frame assembly is formed by an inner support plate 111, an outer support plate 112, an upper support bar 113 and a lower support bar, the inner support plate 111 and the outer support plate 112 can be arc-shaped plates or straight plates, the upper support bar 113 and the lower support bar are gaskets, the upper support bar 113 and the lower support bar are oppositely arranged based on a horizontal plane, the inner support plate 111 and the outer support plate 112 are provided with support plates to support the upper support bar 113, and the upper support bar 113 and the lower support bar are connected to the inner walls of the inner support plate 111 and the outer support plate 112;

[0038] The transmission chain assembly comprises a plurality of chain plate units 210, each chain plate unit 210 is provided with a guide flange 214 on both sides, is slidably embedded in the mounting slot at the top of the inner support plate 111 and the outer support plate 112, and forms a continuous material support surface, that is, the transmission chain assembly moves along the extension direction of the mounting slot;

[0039] Please refer to Figure 2 The driving system comprises a rotating gear 310, a transmission shaft and a conveying driving motor 320, the rotating gear 310 is installed in the accommodating cavity of the first conveying section 100 through a bearing, the tooth top of the rotating gear can be inserted into the insertion hole of the chain plate unit 210 to drive the transmission chain to move.

[0040] Please refer to Figure 3 The bending degree adjusting mechanism is arranged at the hinged part of adjacent conveying sections, comprises an engaging adjusting gear 410 and an arc-shaped tooth plate 420, the adjusting gear 410 is driven to rotate along the arc-shaped tooth plate 420 by a motor, and the angle adjustment of the adjacent conveying sections is realized, in the embodiment, the motor is a servo motor (rated torque 10 Nm) which is connected with a gear shaft through a harmonic reducer, the gear shaft is connected with the adjusting gear 410, the motor drives the adjusting gear 410 to rotate, the gear rotates along the tooth plate, and the relative movement of two adjacent conveying sections is realized, the gear shaft end is integrated with an absolute value encoder, and the angle data is fed back to the control system in real time.

[0041] In the embodiment, the axial direction of the adjusting gear 410 and the arc-shaped tooth plate 420 of the bending degree adjusting mechanism is perpendicular to the extension plane of the conveying section, and the adjusting gear 410 is arranged at the end of the previous conveying section, and the arc-shaped tooth plate 420 is arranged at the first end of the next conveying section.

[0042] In the embodiment, the number of the middle conveying sections is at least two, and the adjacent middle conveying sections are connected through the bending degree adjusting mechanism.

[0043] Please refer to Figure 4 In the embodiment, the chain plate unit 210 comprises a base plate part 211, a first hinged part 212 and a second hinged part 213, and a guide flange 214, the base plate part 211 has a material contact plane, and the surface is provided with an anti-skid line; the first hinged part 212 and the second hinged part 213 are arranged at both ends of the base plate part 211, the first hinged part 212 is a protrusion, the second hinged part 213 is a clamping groove, and adjacent chain plates are connected through a pin shaft; the guide flange 214 extends along both sides of the base plate part 211, the cross-sectional shape of the guide flange 214 is matched with the cross-sectional shape of the mounting slot, in the embodiment, the cross section of the guide flange 214 is dovetail-shaped, is matched with the inverted dovetail slot of the mounting slot, and the gap is controlled to be 0.1-0.3 mm, in the embodiment, the insertion hole is arranged at the bottom of the chain plate, and is engaged with the helical gear of the rotating gear 310 to make the rotating gear 310 rotate to drive the chain plate to move.

[0044] In the embodiment, the adjacent conveying sections are connected through the bending degree adjusting mechanism, the bending degree adjusting mechanism comprises an adjusting support and an adjusting gear 410, an arc-shaped toothed plate 420 and a motor connected to the adjusting gear 410, wherein the adjusting support comprises an I-shaped support provided with a support surface, the arc-shaped toothed plate 420 is fixedly connected to the adjusting support at both ends, and the motor is arranged on the support surface and drives the adjusting gear 410 to rotate. Since the adjusting gear 410 and the arc-shaped toothed plate 420 are engaged, the adjusting gear 410 is rotated along the circumference of the arc-shaped toothed plate 420. Since the adjusting support is connected to the frame assembly, the frame assembly drives the whole conveying section to rotate to adjust the bending degree. In the embodiment, the adjusting supports of two adjacent bending degree adjusting mechanisms can also be connected through the spring 500 to quickly restore the original state after the external force is removed.

[0045] In the embodiment, the spring compensation mechanism is further connected between the adjacent conveying sections to buffer the stress fluctuation when the conveying belt is bent.

[0046] In the embodiment, the mounting groove is provided with a self-lubricating gasket, the thickness of the self-lubricating gasket is 1 / 5-1 / 3 of the height of the mounting groove, the self-lubricating gasket is a polytetrafluoroethylene gasket embedded in the mounting groove and containing graphite, and the friction coefficient is reduced to below 0.08.

[0047] Please refer to Figure 2 In the embodiment, the airflow control system further comprises: a suction member 810 arranged in the containing cavity of the first conveying section 100, in the embodiment, the suction member 810 is a centrifugal fan (air volume 800 m

[0048] / h) connected to the first containing cavity through a hose; and an adsorption hole array uniformly distributed on the material contact plane of the chain plate unit 210, in the embodiment, the adsorption hole Φ2 mm conical hole is arranged in a 15*15 mm matrix, a filter cotton layer is arranged at the bottom of the hole, negative pressure adsorption is realized, the light material can be acted on, a 300-500 Pa negative pressure area is formed on the surface of the chain plate, the adhesion of the light and thin material is enhanced, and the particulate matter can be captured by the filter system.

[0049] In the embodiment, the intelligent control system further comprises: a PLC controller electrically connected to the driving system, in the embodiment, the PLC controller is a Siemens S7-1200 series, and each actuator is connected through a PROF I NET bus; a laser scanner arranged at the feeding end of the conveying belt, in the embodiment, the laser scanner is a SICK LMS111 type, the scanning frequency is 50 Hz, and a three-dimensional point cloud path planning is generated; and a strain gauge sensor arranged at intervals on each frame assembly, in the embodiment, the strain gauge sensor is a Wheatstone bridge structure and is attached to the stress concentration area of the frame.

[0050] Please refer to Figure 5In the embodiment, auxiliary support plates 900 are arranged in each conveying section at intervals along the conveying section extension direction to increase the support effect on the conveyed materials.

[0051] The use process of the conveying belt with adjustable bending degree is described below.

[0052] In use, the motor of the bending degree adjustment mechanism drives the adjacent conveying sections to rotate, so that the bending degree of the adjacent conveying sections in the horizontal direction is changed, and the bending degree adjustment is realized.

[0053] Embodiment 2

[0054] In the embodiment 2, a conveying belt with adjustable bending degree is provided to provide a conveying belt with flexible adjustable conveying path.

[0055] Please refer to Figure 6 The conveying belt with adjustable bending degree provided in the embodiment is different from the embodiment 1 only in that the embodiment further comprises an auxiliary support system, which includes a main support base 710 with an inverted T-shaped cross section, and a bracket 720 arranged on the top of the main support base 710, wherein the bracket 720 is provided with a receiving groove matched with the shape of the conveying section.

[0056] In the embodiment, the bottom of the bracket 720 is provided with an anti-skid foot pad made of high-friction coefficient rubber material.

[0057] The embodiment of the present application has at least the following advantages:

[0058] The present application can adjust the bending degree of the conveying belt according to actual needs, adapt to complex space layout and variable conveying route by the segmented conveying structure and the bending degree adjustment mechanism arranged at the hinge of adjacent conveying sections, solves the problem of inconvenience in arranging the traditional straight conveying belt in three-dimensional space, improves the overall flexibility of the production line, and at the same time, due to the arrangement of multiple conveying sections, once the production demand changes or equipment adjustment is needed, large-scale disassembly and reconfiguration is not needed as in the traditional conveying belt. Only the specific part needs to be fine-tuned, which greatly reduces the maintenance cost and time consumption; the conveying belt is equipped with an intelligent control system including a PLC controller, a laser scanner and a strain gauge sensor, etc., which can realize accurate control of the material conveying process, thereby improving the production efficiency; the self-lubricating gasket reduces the friction when the transmission chain assembly moves, prolongs the service life of the equipment, and reduces the noise level; the existence of the spring compensation mechanism can buffer the stress fluctuation in the bending process of the conveying belt, and protect the equipment from damage; and the anti-skid foot pad in the auxiliary support system increases the stability of the entire device, ensuring the operation safety.

[0059] The above merely describes the preferred embodiments of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A conveyor belt of adjustable bending degree, characterized in that, The application relates to a segmented conveying structure, which comprises a first conveying section, a middle conveying section and a last conveying section which are sequentially hinged, each conveying section comprising a frame assembly which is formed by an inner support plate, an outer support plate, an upper support strip and a lower support strip to form a containing cavity; a transmission chain assembly which comprises a plurality of chain plate units, each chain plate unit being provided with guide flanges on both sides and being slidably embedded in mounting grooves on the top of the inner and outer support plates to form a continuous material support surface; a driving system which comprises a rotating gear, a transmission shaft and a conveying driving motor, the rotating gear being mounted in the containing cavity of the first conveying section through a bearing, and the top of the gear of the rotating gear being capable of being inserted into the insertion hole of the chain plate unit to drive the transmission chain to move; a bending degree adjusting mechanism which is arranged at the hinge joint of adjacent conveying sections and comprises meshed adjusting gears and arc-shaped toothed plates, the adjusting gears being driven by a motor to rotate along the arc-shaped toothed plates to realize angle adjustment of the adjacent conveying sections; and an intelligent control system which comprises a PLC controller which is electrically connected with the driving system, a laser scanner which is arranged at the feeding end of the conveying belt, the laser scanner generating a three-dimensional point cloud path planning, and strain sensors which are arranged on each frame assembly at intervals. The axial direction of the adjusting gears and the arc-shaped toothed plates of the bending degree adjusting mechanism is perpendicular to the extension plane of the conveying section, the adjusting gears are arranged at the end of the previous conveying section, and the arc-shaped toothed plates are arranged at the first end of the next conveying section. The number of the middle conveying sections is at least two, and the adjacent middle conveying sections are connected through the bending degree adjusting mechanism. The chain plate unit comprises a base plate part which has a material contact plane, first and second hinge parts which are arranged at both ends of the base plate part, and guide flanges which extend along both sides of the base plate part and have a cross-sectional shape which is matched with the cross-sectional shape of the mounting groove. A spring compensation mechanism is further arranged between the adjacent conveying sections and is used for buffering stress fluctuation when the conveying belt is bent. A self-lubricating gasket is arranged in the mounting groove, and the thickness of the self-lubricating gasket is 1 / 5-1 / 3 of the height of the mounting groove.

2. The adjustable-camber conveyor belt of claim 1, wherein, An auxiliary support system is further arranged, which comprises a main support base which has an inverted T-shaped cross section, and a support which is arranged on the top of the main support base and is provided with a receiving groove which is matched with the shape of the conveying section.

3. The adjustable-camber conveyor belt of claim 1, wherein, The bottom of the support is provided with anti-skid foot pads which are made of high-friction coefficient rubber materials.

4. The adjustable-camber conveyor belt of claim 1, wherein, An air flow control system is further arranged, which comprises a suction part which is arranged in the containing cavity of the first conveying section, and an adsorption hole array which is uniformly distributed on the material contact plane of the chain plate unit. ​ ​ ​ 5. The adjustable-camber conveyor belt of claim 1, wherein, ​ 6. The adjustable-camber conveyor belt of claim 1, wherein, ​ 7. The adjustable-camber conveyor belt of claim 1, wherein, ​ ​ ​ 8. The supplemental support system of claim 7, wherein, ​ 9. The adjustable-camber conveyor belt of claim 1, wherein, ​ ​ ​

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