Multi-layer bridge conveyor

Abstract

The present invention discloses a multi-layer bridge conveyor frame, including a traction device, a height difference adjustment device, and a clamping and conveying device. The effect of the middle layer of the conveying roller of the traction device in this embodiment being a silicone layer is that it has the characteristics of high resilience, high temperature resistance, and wear resistance; low hardness, good softness, non-toxic, rust-free, pollution-free, small compression deformation, and long service life; not easy to age, anti-static, moisture-proof and humidity-proof. The effect of the outer layer being a fiber composite layer is that it has friction stability, so that the cardboard is not easy to slip during the conveying process. In addition, the speed difference between the front and rear components of the thin film processing machine is absorbed by the height difference adjustment device to prevent the workpiece from being arched by force, ensuring that the workpiece is intact, and the contact area between the conveying component and the workpiece is increased by the clamping and conveying device to prevent the workpiece from slipping, thereby realizing effective conveying.

Description

Technical Field

[0001] The invention relates to corrugated paper production equipment, in particular to a multi-layer bridge-type conveying frame. Background Art

[0002] Packaging machinery is one of the important pillar industries of my country's national economy. Corrugated paper is light and beautiful, suitable for large-scale production and recyclable. With the rapid development of the national economy, the development scale and technical level of the domestic carton packaging industry have been improved, and the requirements for corrugated paper production have also increased.

[0003] At present, the corrugated cardboard used in various packaging boxes is mainly divided into three-layer, five-layer or seven-layer corrugated cardboard. Generally, multi-layer corrugated cardboard is basically formed by laminating one face paper, one core paper and one bottom paper to form a three-layer corrugated cardboard, and further laminating another core paper and another bottom paper to form a five-layer corrugated cardboard, and so on. The overpass traction device of the five-layer corrugated cardboard has the disadvantages of easy slippage, easy jamming and easy swing of the conveying cardboard, and the existing connection method of the conveying roller and the frame makes it more troublesome to assemble the conveying roller on the frame. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a multi-layer bridge conveyor frame with a simple bridge traction device for a corrugated paper machine, which is not easy to slip when conveying paperboards, and the conveying rollers are easy to assemble on the frame.

[0005] A multi-layer bridge conveyor according to a first embodiment of the present invention comprises:

[0006] The traction device includes a frame and a plurality of conveying rollers rotatably connected to the frame. The conveying rollers are cylindrical in shape and include an inner layer, a middle layer and an outer layer arranged concentrically. The inner layer is a metal layer, the middle layer is a silicone layer, and the outer layer is a fiber composite layer. The fiber composite layer is woven from steel fiber, glass fiber and organic fiber. A rotating hole is provided on the frame. The inner layer extends axially out of the side end surfaces of the middle layer and the outer layer to form a rotating shaft. An elastic boss is fixedly provided at the outer end of the rotating shaft. A bearing is sleeved on the inner layer of the elastic boss. The rotating shaft is arranged in the rotating hole through the bearing.

[0007] The height difference adjustment device comprises a fixed plate and two rotating rods rotatably mounted on the fixed plate, an adjustment mechanism capable of moving up and down is mounted on the fixed plate, and a rotatable adjustment rod is mounted on the adjustment mechanism;

[0008] The clamping conveying device comprises a fixed frame and two sets of laterally movable guide wheel mechanisms respectively installed at two ends of the fixed frame. The two sets of guide wheel mechanisms are connected by a synchronous belt. A lifting and lowering pressing wheel mechanism is installed on the upper part of the fixed frame.

[0009] The multi-layer bridge conveyor according to the embodiment of the present invention has at least the following beneficial effects: the effect of the middle layer of the conveying roller of the traction device in this embodiment being a silicone layer is that it has the characteristics of high resilience, high temperature resistance, and wear resistance; low hardness, good softness, non-toxic, rust-free, pollution-free, small compression deformation, and long service life; not easy to age, anti-static, moisture-proof and humidity-proof. The effect of the outer layer being a fiber composite layer is that it has friction stability, so that the cardboard is not easy to slip during the conveying process. In addition, the height difference adjustment device absorbs the speed difference between the front and rear components of the sheet processing machine to prevent the workpiece from being arched by force, ensuring that the workpiece is intact, and the contact area between the conveying component and the workpiece is increased by the clamping conveying device to prevent the workpiece from slipping, thereby achieving effective conveying.

[0010] According to some embodiments of the present invention, a plurality of long grooves arranged along the axial direction are provided on the outer circumferential surface.

[0011] According to some embodiments of the present invention, a limiting ring is provided on the circumferential surface of at least one end of the outer layer.

[0012] According to some embodiments of the present invention, the end of the rotating rod is installed on the fixed plate through the guide shaft support.

[0013] According to some embodiments of the present invention, the adjustment mechanism includes a seat bearing embedded in the fixed plate, and a curved rod rotatably mounted on the seat bearing, and a rotating part inserted into the seat bearing is provided in the middle of the curved rod.

[0014] According to some embodiments of the present invention, the adjustment rod is rotatably mounted on one end of the curved rod, and a counterweight is mounted on the other end of the curved rod.

[0015] According to some embodiments of the present invention, a thread is provided in the middle of the counterweight, a screw rod is provided at the end of the curved rod, and the counterweight is screwed onto the screw rod through the thread.

[0016] According to some embodiments of the present invention, the guide wheel mechanism includes two groups of guide rods and guide wheels sleeved on the guide rods, sliders are respectively installed at both ends of the guide rods, the sliders are slidably installed on a fixed frame, an adjusting screw is threaded on the fixed frame through a nut, and the end of the adjusting screw is connected to the slider.

[0017] According to some embodiments of the present invention, the synchronous belt is wrapped around two sets of guide wheels.

[0018] According to some embodiments of the present invention, the pressure wheel mechanism includes a driving cylinder fixed on a fixed frame, a pressure wheel is installed on the movable end of the driving cylinder, and the pressure wheel abuts against the synchronous belt.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 It is a structural schematic diagram of an embodiment of the present invention;

[0022] Figure 2 It is a structural schematic diagram of a traction device according to an embodiment of the present invention;

[0023] Figure 3 It is a structural schematic diagram of a height difference adjustment device according to an embodiment of the present invention;

[0024] Figure 4 It is a structural schematic diagram of a clamping and conveying device according to an embodiment of the present invention;

[0025] Figure 5 Schematic diagram of the internal structure of the clamping and conveying device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0026] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0029] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0030] Reference Figures 1 to 5According to the first embodiment of the present invention, a multi-layer bridge conveyor frame comprises:

[0031] The traction device 100 includes a frame 110 and a plurality of conveying rollers 120 rotatably connected to the frame 110. The conveying rollers 120 are cylindrical in shape and include an inner layer, a middle layer and an outer layer arranged concentrically. The inner layer is a metal layer, generally made of aluminum alloy 6061T5 or 304L / 316L stainless steel, and has the characteristics of high strength and high transmission accuracy. The middle layer is a silicone layer, which has the characteristics of high resilience, high temperature resistance and wear resistance; low hardness, good softness, non-toxic, rust-free and pollution-free, small compression deformation and long service life; not easy to age, anti-static, moisture-proof and moisture-proof. The outer layer is a fiber composite layer, which is woven from steel fiber, glass fiber and organic fiber. The organic fiber may be viscose fiber, which is easy to weave with steel fiber and glass fiber; wherein the conveying roller 120 and the frame 110 may be connected in a manner that the frame 110 is provided with a rotating hole 111, and the conveying roller 120 is provided with a rotating shaft 121; or the frame 110 is provided with a rotating shaft 121, and the conveying roller 120 is provided with a rotating hole 111. Preferably, the frame 110 is provided with a rotating hole 111, and the inner layer extends axially out of the side end surfaces of the middle layer and the outer layer to form the rotating shaft 121, and an elastic boss 122 is fixedly provided at the outer end of the rotating shaft 121, wherein the elastic boss 122 is made of rubber material and is arranged in a cone shape, and its diameter gradually increases from the outer layer of the conveying roller 120 to the inside, and the inner layer of the elastic boss 122 is sleeved with a bearing, and the bearing is arranged in the rotating hole 111. In this way, when installing the conveying roller 120, it is only necessary to gradually insert the bearing along the elastic boss 122 so that the bearing is clamped between the elastic boss 122 and the end surface of the rotating shaft 121. This installation method is extremely simple.

[0032] The height difference adjustment device 200 includes a fixed plate 210 and two rotating rods 220 rotatably mounted on the fixed plate 210. An adjustment mechanism that can move up and down is mounted on the fixed plate 210, and a rotatable adjustment rod 230 is mounted on the adjustment mechanism. The sheet workpiece passes through the upper part of one of the rotating rods 220, goes around the bottom of the adjustment rod 230, and then goes around the upper part of the other rotating rod 220. The speed difference of the workpiece conveyed by the equipment at both ends is offset by the lifting and lowering of the adjustment rod 230.

[0033] The clamping and conveying device 300 includes a fixed frame 310 and two sets of laterally movable guide wheel mechanisms respectively installed at the two ends of the fixed frame 310. The two sets of guide wheel mechanisms are connected by a synchronous belt 320. A lifting and lowering pressure wheel mechanism is installed on the upper part of the fixed frame 310. The thin workpiece is conveyed by the synchronous belt 320 and then pressurized by the pressure wheel mechanism, so that the thin workpiece is closely attached to the synchronous belt 320 to reduce the occurrence of slippage.

[0034] The multi-layer bridge conveyor according to the embodiment of the present invention has at least the following beneficial effects: the effect of the middle layer of the conveying roller 120 of the traction device 100 in this embodiment being a silicone layer is that it has the characteristics of high resilience, high temperature resistance, and wear resistance; low hardness, good softness, non-toxic, rust-free, pollution-free, small compression deformation, and long service life; not easy to age, anti-static, moisture-proof and humidity-proof. The effect of the outer layer being a fiber composite layer is that it has friction stability, so that the cardboard is not easy to slip during the conveying process. In addition, the height difference adjustment device 200 absorbs the speed difference between the front and rear components of the sheet processing machine to prevent the workpiece from being arched by force, ensuring that the workpiece is intact, and the contact area between the conveying component and the workpiece is increased through the clamping conveying device 300 to prevent the workpiece from slipping, thereby achieving effective conveying.

[0035] Further, according to some embodiments of the present invention, a plurality of long grooves arranged along the axial direction are provided on the circumferential surface of the outer layer, which can increase the friction between the paperboard and the outer layer, making the transportation of the paperboard more efficient.

[0036] Further, according to some embodiments of the present invention, a limiting ring 123 is provided on the circumferential surface of at least one end of the outer layer, so that the limiting ring 123 can limit the cardboard when it is conveyed on the conveying roller 120, thereby preventing the cardboard from swinging.

[0037] Further, according to some embodiments of the present invention, in order to ensure smooth rotation of the rotating rod 220 , the end of the rotating rod 220 is installed on the fixing plate 210 through the guide shaft support 221 .

[0038] Further, according to some embodiments of the present invention, the adjustment mechanism includes a seat bearing 231 embedded in the fixing plate 210, and a bent rod 240 rotatably mounted on the seat bearing 231, and a rotating portion is provided in the middle of the bent rod 240 to be inserted into the seat bearing 231. By rotating the bent rod 240 around the seat bearing 231, the adjustment rod 230 can be moved up and down to offset the speed difference of the workpieces at the front and rear ends of the device.

[0039] Further, according to some embodiments of the present invention, in order to facilitate the adjustment of the rotation force of the curved rod 240 according to the speed difference of the workpieces at the front and rear ends of the equipment, the adjustment rod 230 is rotatably installed at one end of the curved rod 240, and a counterweight block 241 is installed at the other end of the curved rod 240.

[0040] Further, according to some embodiments of the present invention, the middle portion of the counterweight 241 is provided with a thread, the end of the curved rod 240 is provided with a screw, and the counterweight 241 is screwed onto the screw through the thread. The position of the counterweight 241 on the screw can be adjusted by rotating the counterweight 241.

[0041] Further, according to some embodiments of the present invention, the guide wheel mechanism includes two sets of guide rods 331 and guide wheels sleeved on the guide rods 331, and sliders 311 are respectively installed at both ends of the guide rods 331, and the sliders 311 are slidably installed on the fixing frame 310, and the fixing frame 310 is threaded with an adjusting screw 332 through a nut, and the end of the adjusting screw 332 is connected to the slider 311. The tension of the synchronous belt 320 can be adjusted by adjusting the distance between the sliders 311 to prevent the guide wheel and the synchronous belt 320 from slipping.

[0042] Further, according to some embodiments of the present invention, the synchronous belt 320 is wrapped around two sets of guide wheels.

[0043] Further, according to some embodiments of the present invention, the pressing wheel mechanism includes a driving cylinder 342 fixedly mounted on the fixing frame 310, and a pressing wheel 341 is installed at the movable end of the driving cylinder 342, and the pressing wheel 341 abuts against the synchronous belt 320. The contact between the pressing wheel 341 and the synchronous belt 320 can be flexibly controlled by the driving cylinder 342, thereby improving the automation level.

[0044] The present embodiment has been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiment, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the present purpose.

Claims

1. Multi-layer bridge conveyor, characterized in that: include: The traction device (100) comprises a frame (110) and a plurality of conveying rollers (120) rotatably connected to the frame (110), the conveying rollers (120) being cylindrical in shape, the conveying rollers (120) comprising an inner layer, a middle layer and an outer layer arranged concentrically, the inner layer being a metal layer, the middle layer being a silicone layer, the outer layer being a fiber composite layer, the fiber composite layer being woven from steel fiber, glass fiber and organic fiber, the frame (110) being provided with a rotating hole (111), the inner layer extending axially outward from the side end surfaces of the middle layer and the outer layer to form a rotating shaft (121), an elastic boss (122) being fixedly provided at the outer end of the rotating shaft (121), the inner layer of the elastic boss (122) being sleeved with a bearing, and the rotating shaft (121) being arranged in the rotating hole (111) through the bearing; A height difference adjustment device (200) comprises a fixed plate (210), and two rotating rods (220) rotatably mounted on the fixed plate (210); an adjustment mechanism capable of moving up and down is mounted on the fixed plate (210), and a rotatable adjustment rod (230) is mounted on the adjustment mechanism; the adjustment mechanism comprises a seat bearing (231) embedded in the fixed plate (210), and a curved rod (240) rotatably mounted on the seat bearing (231); a rotating portion inserted into the seat bearing (231) is arranged at the middle of the curved rod (240); the adjustment rod (230) is rotatably mounted on one end of the curved rod (240), and a counterweight (241) is mounted at the other end of the curved rod (240); a thread is arranged at the middle of the counterweight (241), a screw is arranged at the end of the curved rod (240), and the counterweight (241) is screwed onto the screw via a thread; The clamping conveying device (300) comprises a fixed frame (310) and two sets of guide wheel mechanisms which are respectively mounted at two ends of the fixed frame (310) and can be laterally moved. The two sets of guide wheel mechanisms are connected by a synchronous belt (320). A pressure wheel mechanism which can be lifted and lowered is mounted on the upper part of the fixed frame (310). The guide wheel mechanism comprises two sets of guide rods (331) and guide wheels which are sleeved on the guide rods (331). Slide blocks (311) are respectively mounted at two ends of the guide rods (331). The slide blocks (311) are 1) Slidingly mounted on the fixing frame (310), the fixing frame (310) is threaded with an adjusting screw (332) via a nut, and the end of the adjusting screw (332) is connected to the slider (311); the synchronous belt (320) is wrapped around and sleeved on the two groups of guide wheels; the pressure wheel mechanism includes a driving cylinder (342) fixedly mounted on the fixing frame (310), and a pressure wheel (341) is mounted on the movable end of the driving cylinder (342), and the pressure wheel (341) is in contact with the synchronous belt (320).

2. The multi-layer bridge conveyor according to claim 1, characterized in that: The outer circumferential surface is provided with a plurality of long grooves arranged along its axial direction.

3. The multi-layer bridge conveyor according to claim 1, characterized in that: A limiting ring (123) is provided on the circumferential surface of at least one end of the outer layer.

4. The multi-layer bridge conveyor according to claim 1, characterized in that: The end of the rotating rod (220) is installed on the fixing plate (210) through a guide shaft support (221).

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