Low-friction conveying chain structure

Abstract

The utility model discloses a low-friction conveying chain structure which comprises a machine frame, a lower guide rail fixedly connected to one end of the middle of the machine frame, a gear motor fixedly connected to the bottom end in the machine frame, a motor chain wheel fixedly connected to the output end of the gear motor, a chain connected to the outer side of the motor chain wheel in a meshed mode, and bearing seats fixedly connected to the two ends of the middle of the machine frame. One ends of the inner sides of the bearing seats are rotatably connected with driven shafts, one ends of the outer sides of the driven shafts are fixedly connected with driven chain wheels, one ends of the inner sides of the other group of bearing seats are rotatably connected with driving shafts, one ends of the outer sides of the driving shafts are fixedly connected with driving chain wheels, one ends of the driving chain wheels are provided with conveying chain mechanisms, and one ends of the conveying chain mechanisms are provided with chain plates; the conveying chain mechanism is installed between the upper guide rail and the lower guide rail of the machine frame, tension is adjusted, the speed reduction motor is started, the motor can achieve independent driving, variable frequency speed regulation and accurate speed regulation according to needs, and after the motor is started, the motor chain wheel, the chain, the driving chain wheel and the driving shaft are driven, and then the conveying chain mechanism is driven.

Description

TECHNICAL FIELD

[0001] The utility model relates to conveying chain equipment technical field, concretely is a low friction conveying chain structure. BACKGROUND

[0002] The conveying chain structure is composed of a chain, a chain wheel, a guide rail, a driving device and a supporting component, the chain links are connected with each other, can rotate around the chain wheel, and is driven by the driving device to convey materials, is widely applied, bears the key task of material handling in the fields of automobile manufacturing, logistics storage, food processing, mining, building material production and home appliance manufacturing, and is an important equipment for modern industrial production and logistics transportation.

[0003] Through the cooperation of the chain, the chain wheel and the driving device, continuous and stable material conveying can be realized, a large amount of materials can be quickly conveyed from one place to another, and the production and logistics efficiency is greatly improved, but for long-distance and heavy-load low-speed conveying, the existing chain structure may be prone to the phenomenon of the rollers climbing and then wearing due to the large friction force between the rollers and the equipment components during the conveying process, and the resistance is large, which consumes more power to maintain operation. SUMMARY

[0004] The utility model discloses a low friction conveying chain structure, which can solve the problem of the existing chain structure that the rollers are prone to the phenomenon of climbing and then wearing due to the large friction force between the rollers and the equipment components during the conveying process for long-distance and heavy-load low-speed conveying, and the resistance is large, which consumes more power to maintain operation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a low friction conveying chain structure, comprising: a rack, the lower guide rail is fixedly connected to one end of the middle part of the rack, the reduction motor is fixedly connected to the bottom end inside the rack, the motor chain wheel is fixedly connected to the output end of the reduction motor, the chain is meshingly connected to the outer side of the motor chain wheel, the bearing seat is fixedly connected to both ends of the middle part of the rack, the driven shaft is rotatably connected to one end of the inner side of the bearing seat, the driven chain wheel is fixedly connected to one end of the outer side of the driven shaft, the driving shaft is rotatably connected to one end of the inner side of the other bearing seat, the driving chain wheel is fixedly connected to one end of the outer side of the driving shaft, the conveying chain mechanism is arranged at one end of the driving chain wheel, the chain plate is arranged at one end of the conveying chain mechanism, and the upper support guide rail is fixedly connected to one end of the upper part of the rack.

[0006] As a further scheme of the utility model: the rack is provided with a side movable baffle on one side, the rack is provided with a front baffle at the head, and the rack is provided with a rear baffle at the tail.

[0007] As a further scheme of the utility model: the conveying chain mechanism includes a pin shaft, inner chain plates and outer chain plates, the inner chain plates and the outer chain plates are symmetrically connected to the two sides of the pin shaft, and the inner chain plates are arranged on the inner side of the outer chain plates; bearings, rollers and side guide wheels, the bearings are fixedly connected to the outer wall middle end of the pin shaft, the rollers are fixedly connected to the outer ring of the bearings, one end of the outer side of one group of the outer chain plates is rotatably connected with a side guide wheel, and the inner side of the inner chain plates and another group of the outer chain plates are fixedly connected with chain plates.

[0008] As a further scheme of the utility model: one end of the side movable baffle is fixedly connected with a chain cover, one end of the bottom of the rack is movably inserted with an adjusting foot cup, and one end of the outer side of the adjusting foot cup is threadedly connected with a nut.

[0009] As a further scheme of the utility model: the other end of the driving shaft penetrates the bearing seat, and the other end of the driving shaft is provided with a sprocket for chain connection.

[0010] As a further scheme of the utility model: the inner chain plates and the outer chain plates are each provided with a plurality of groups, and the two ends of every two groups of the inner chain plates and the outer chain plates are provided with pin shafts.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] In the utility model, the conveying chain mechanism is arranged between the upper and lower guide rails of the rack and is adjusted to have tension, a speed reducer motor is started, the motor can be independently driven and frequency conversion speed regulation, and the speed can be accurately controlled according to the requirement; after the motor is started, the motor sprocket, the chain, the driving sprocket and the driving shaft are driven, and the conveying chain mechanism is driven, and the mechanism has obvious advantages: it is suitable for long-distance, heavy-load and low-speed conveying; the bearing reduces the friction of the roller, reduces the power and tension, solves the problems of the wear of the roller and the large resistance, the side guide wheel prevents the chain from deviating, the chain plate conveys products when the chain runs, the side of the chain plate can be welded with an accessory mounting plate, the universality is increased, the rack profile is welded, the strength is high, the stability is good, the side movable baffle is convenient to overhaul, the chain uses high-temperature-resistant bearings, is suitable for high-temperature environments, and the selected bearings can reduce noise and improve the working environment. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0014] Fig. 2 It is the structure schematic diagram of the rack in the utility model;

[0015] Fig. 3 It is the structure schematic diagram of the chain cover in the utility model;

[0016] Fig. 4 It is the structure schematic diagram of the chain plate in the utility model;

[0017] Fig. 5 It is the structural schematic view of the conveying chain mechanism in the utility model.

[0018] Fig. 6 It is the structural schematic view of the pin shaft in the utility model.

[0019] In the drawing: 1, rack; 2, lower guide rail; 3, speed reducer motor; 4, motor chain wheel; 5, chain; 6, bearing seat; 7, driven shaft; 8, driven chain wheel; 9, driving shaft; 10, driving chain wheel; 11, conveying chain mechanism; 1101, pin shaft; 1102, inner chain plate; 1103, outer chain plate; 1104, bearing; 1105, roller; 1106, side face guide wheel; 12, chain plate; 13, upper support guide rail; 14, side face movable baffle; 15, front baffle; 16, rear baffle; 17, chain cover; 18, adjusting foot cup. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated devices or elements must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The embodiments will be described below according to the overall structure of the utility model.

[0022] Reference Figs. 1-6The utility model discloses an embodiment of a low friction conveying chain structure, comprising: a rack 1, the support main body of whole conveying provides the installation foundation for other components, guarantees the integrity and stability of structure, and one end of the middle part of rack 1 is fixedly connected with lower guide rail 2, guides the chain to run on the correct path, ensures the stability of conveying, and the inside bottom of rack 1 is fixedly connected with speed reducer motor 3, and the output of speed reducer motor 3 is fixedly connected with motor chain wheel 4, as power source, provides power for whole structure, rotates motor chain wheel 4 by the mode of independent drive, and can utilize frequency converter speed regulation, can flexibly control conveying speed according to actual demand.

[0023] The outside of motor chain wheel 4 is meshedly connected with chain 5, and motor chain wheel 4 is connected with the output of speed reducer motor 3, the power of motor is transmitted to chain through the meshed connection with chain 5, thereby driving the whole chain movement, and the middle part of rack 1 is fixedly connected with bearing seat 6 at both ends, plays the role of support, and one end of the inside of bearing seat 6 is rotatably connected with driven shaft 7, plays the role of auxiliary transmission, and guarantees the stability of chain operation.

[0024] One end of the outside of driven shaft 7 is fixedly connected with driven sprocket 8, one end of the inside of another bearing seat 6 is rotatably connected with driving shaft 9, driving shaft 9 is further improved power transmission and the circulation path of chain through the support of bearing seat 6, one end of the outside of driving shaft 9 is fixedly connected with driving sprocket 10, one end of driving sprocket 10 is equipped with conveying chain mechanism 11, driven sprocket 8 is engaged with chain 5, rotates under the driving of chain, cooperates with driving sprocket 10, so that conveying chain mechanism 11 can smoothly run, driving sprocket 10 is connected with conveying chain mechanism 11, is the direct component of driving conveying chain mechanism 11 movement, one end of conveying chain mechanism 11 is equipped with chain plate 12, is used for carrying the product that needs to be conveyed, transports the product from one position to another position, one end of the upper part of rack 1 is fixedly connected with upper support guide rail 13, and lower guide rail 2 supports and guides conveying chain mechanism 11 together, ensures the stable operation of chain in the up-down direction, and the other end of driving shaft 9 penetrates bearing seat 6, and the other end of driving shaft 9 is equipped with sprocket for connecting chain 5.

[0025] Referring to Figs. 1-4 One side of rack 1 is equipped with side movable baffle 14, plays the role of protection, prevents the product from falling from the side during conveying, and the chain cover 17 connected at one end can also protect chain, and facilitates maintenance personnel to overhaul equipment.

[0026] The head of the rack 1 is provided with a front baffle 15 to prevent the product from falling or deviating from the conveying direction at the starting point of conveying, and the tail of the rack 1 is provided with a rear baffle 16 to prevent the product from falling at the end of conveying, so as to ensure that the product can accurately enter the next process or equipment. One end of the side movable baffle 14 is fixedly connected with a chain cover 17 to protect the chain 5 from external factors such as dust, sundries and the like, and also to prevent the operator from accidentally contacting the chain and being injured. One end of the bottom of the rack 1 is movably inserted with an adjusting foot cup 18, one end of the outside of the adjusting foot cup 18 is threadedly connected with a nut, and the levelness of the rack 1 can be changed by adjusting the nut threadedly connected with one end of the outside, so as to ensure the normal operation of the equipment.

[0027] With reference to Figs. 1-6 The conveying chain mechanism 11 comprises a pin shaft 1101, an inner chain plate 1102 and an outer chain plate 1103. The inner chain plate 1102 and the outer chain plate 1103 are symmetrically and rotatably connected to the two sides of the pin shaft 1101, and the inner chain plate 1102 is arranged inside the outer chain plate 1103.

[0028] A bearing 1104, a roller 1105 and a side guide wheel 1106. The bearing 1104 is fixedly connected to the middle end of the outer wall of the pin shaft 1101, and the roller 1105 is fixedly connected to the outer ring of the bearing 1104. One end of the outer side of one group of outer chain plates 1103 is rotatably connected with the side guide wheel 1106. The inner chain plate 1102 and the inner side of the other group of outer chain plates 1103 are fixedly connected with the chain plate 12. The inner chain plate 1102 and the outer chain plate 1103 are each provided with a plurality of groups. The two ends of every two groups of inner chain plates 1102 and outer chain plates 1103 are provided with a pin shaft 1101. The pin shaft 1101 connects the inner chain plate 1102 and the outer chain plate 1103, so that they can rotate relative to each other. The cooperation of the bearing 1104 and the roller 1105 reduces friction, so that the roller can smoothly roll on the guide rail. The side guide wheel 1106 can prevent the chain from deviating, ensuring the accuracy of conveying.

[0029] The working principle of the utility model is: when using, the conveying chain mechanism 11 is installed between the lower guide rail 2 and the upper support guide rail 13 on the rack 1, and the chain tension is adjusted, the speed reducer motor 3 is started, the speed reducer motor 3 has the advantage of independent driving, and can be speed-adjusted through the frequency converter, and the conveying speed can be flexibly adjusted according to different production requirements to realize accurate control; when the speed reducer motor 3 is started, the driving motor chain wheel 4 rotates, drives the chain 5 to move, the chain 5 further drives the driving chain wheel 10 to rotate, the driving chain wheel 10 drives the driving shaft 9 to rotate, thereby driving the conveying chain mechanism 11 to run, through the design of the conveying chain mechanism 11, not only can be applied to various long-distance and heavy-load low-speed conveying, but also reduces the friction coefficient of the roller through the bearing 1104, makes the roller 1105 roll more smoothly on the guide rail, thereby reducing the main machine power and chain tension, solving the problem of the roller 1105 climbing and wearing the guide rail and large resistance; through the side guide wheel 1106, the chain can be avoided to scratch the both sides of the wallboard due to insufficient straightness during long-distance conveying, effectively preventing the chain from deviating; when the chain runs uniformly to the motor end, the products placed on the chain plate 12 will be conveyed into the next process conveyor, the chain plate 12 side can be welded with an accessory mounting plate, which can select and install the required accessories according to the use requirements, enhancing the versatility and adaptability of the equipment; in addition, the whole conveying chain rack is welded with sectional material, having good strength and stability, and the outer surface is additionally provided with a side movable baffle 14, facilitating the maintenance and repair of the equipment by the maintenance personnel, improving the maintainability of the equipment; at the same time, the chain selects high-temperature-resistant bearings, which can be used in high-temperature environment, widening the application range of the equipment, and being suitable for some special high-temperature production environment; and the bearings selected by the chain can effectively reduce the noise of the guide rail and pin shaft friction pair, improve the working environment, and reduce noise pollution.

[0030] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A low-friction conveyor chain structure, characterized by, Include: Frame, one end of the middle part is fixedly connected with lower rail, the inside bottom of the frame is fixedly connected with a reduction motor, the output end of the reduction motor is fixedly connected with a motor chain wheel, the outer side of the motor chain wheel is engagedly connected with a chain, both ends of the middle part of the frame are fixedly connected with bearing seat, the inner side of one end of the bearing seat is rotatably connected with driven shaft, the outer side of one end of the driven shaft is fixedly connected with driven sprocket, the inner side of one end of the other bearing seat is rotatably connected with driving shaft, the outer side of one end of the driving shaft is fixedly connected with driving sprocket, one end of the driving sprocket is provided with a conveying chain mechanism, one end of the conveying chain mechanism is provided with a chain plate, and the upper end of the frame is fixedly connected with an upper support rail.

2. A low-friction conveyor chain structure according to claim 1, characterized in that One side of the frame is provided with a side movable baffle, the head of the frame is provided with a front baffle, and the tail of the frame is provided with a rear baffle.

3. A low friction conveyor chain construction according to claim 1, characterized in that The conveying chain mechanism comprises: Pin shaft, inner chain plate and outer chain plate, the inner chain plate and the outer chain plate are symmetrically rotatably connected to the two sides of the pin shaft, and the inner chain plate is arranged on the inner side of the outer chain plate; Bearing, roller and side guide wheel, the outer wall of the pin shaft is fixedly connected with the bearing, the roller is fixedly connected with the outer ring of the bearing, one end of the outer side of the outer chain plate is rotatably connected with the side guide wheel, and the inner side of the inner chain plate and the other outer chain plate is fixedly connected with the chain plate.

4. A low friction conveyor chain construction according to claim 2, wherein, One end of the side movable baffle is fixedly connected with a chain cover, one end of the bottom of the frame is movably inserted with an adjusting foot cup, and one end of the outer side of the adjusting foot cup is threadedly connected with a nut.

5. A low friction conveyor chain construction according to claim 1, characterized in that The other end of the driving shaft penetrates the bearing seat, and the other end of the driving shaft is provided with a sprocket for connecting the chain.

6. A low friction conveyor chain construction according to claim 3, wherein, The inner chain plate and the outer chain plate are provided with a plurality of groups, and the two ends of each two groups of inner chain plates and outer chain plates are provided with a pin shaft.

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