Roller assembly and plate body transfer device

Abstract

The utility model discloses a kind of roller assembly and plate body transmission device, comprising: wheel shaft;First transmission assembly and second transmission assembly, for driving wheel shaft to rotate;First wheel disc and second wheel disc, respectively fixedly arranged at the both ends of wheel shaft;Multiple rollers, between first wheel disc and second wheel disc, each roller includes wheel body, first cooperation connecting frame and second cooperation connecting frame, first cooperation connecting frame and the second cooperation connecting frame of another roller located at the first side of roller are clamped, second cooperation connecting frame and the first cooperation connecting frame of another roller located at the second side of roller are clamped, the first cooperation connecting frame of the roller closest to first wheel disc is fixedly connected with first wheel disc, the second cooperation connecting frame of the roller closest to second wheel disc is fixedly connected with second wheel disc;Roller assembly proposed in the utility model can reduce the difficulty of roller installation, and improve the transmission efficiency between wheel shaft and roller.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical assembly technical field, especially relates to a roller assembly and board body transmission device. BACKGROUND

[0002] Roller set is a mechanical device composed of multiple rollers, which can be used to support and guide moving loads, reduce friction and improve moving efficiency. Roller set is widely used in various industrial applications, such as conveying system, crane, elevator, etc. The design of roller set can be customized according to application requirements to adapt to different loads and environmental conditions.

[0003] In related art, the roller set includes a central axle and rollers arranged on the axle. The diameter of the axle is usually slightly larger than that of the hollow part in the center of the roller, so as to increase the static friction between the axle and the roller. The axle drives the roller to rotate through the static friction. However, when the external resistance on the roller is too large, the sliding between the axle and the roller will cause damage to both the roller and the axle. SUMMARY

[0004] The following is a summary of the subject matter described in detail in this document, which is not intended to limit the scope of protection of the claims.

[0005] The utility model discloses a roller assembly and board body transmission device, can alleviate the difficulty of roller installation, and promote the transmission efficiency between axle and roller.

[0006] To achieve the above object, the utility model discloses a roller assembly in the first aspect, include: axle;First transmission assembly is arranged at one end of axle, and first transmission assembly is used to drive axle rotates;Second transmission assembly is arranged at the other end of axle, and second transmission assembly cooperates with first transmission assembly to drive axle rotates together;First pulley and second pulley, first pulley is fixed at one end of axle, and second pulley is fixed at the other end of axle;A plurality of rollers are arranged between first pulley and second pulley, each roller includes wheel body, first cooperation connecting frame and second cooperation connecting frame, axle passes through the middle part of wheel body, first cooperation connecting frame is arranged at the first side of wheel body, and second cooperation connecting frame is arranged at the second side of wheel body, first cooperation connecting frame and the second cooperation connecting frame of another roller located at the first side of roller are clamped, second cooperation connecting frame and the first cooperation connecting frame of another roller located at the second side of roller are clamped, first cooperation connecting frame of the roller closest to first pulley is fixedly connected with first pulley, and second cooperation connecting frame of the roller closest to second pulley is fixedly connected with second pulley.

[0007] In some embodiments, the first fitting connecting frame is provided with a first protrusion protruding outward, the second fitting connecting frame is provided with a second protrusion protruding outward, and a contact surface between the first protrusion and the second protrusion is parallel to the wheel shaft.

[0008] In some embodiments, the inner cavities of the first fitting connecting frame and the second fitting connecting frame are in contact with the wheel shaft, and the inner cavities of the first fitting connecting frame and the second fitting connecting frame are provided with friction pads for increasing friction with the wheel shaft.

[0009] In some embodiments, the first transmission assembly includes a first gear, and the second transmission assembly includes a second gear, and the first gear and the second gear are respectively fixed at two ends of the wheel shaft.

[0010] In some embodiments, the first gear and the second gear are both straight spur gears.

[0011] In some embodiments, the first transmission assembly includes a third gear, and the second transmission assembly includes a fourth gear, and the third gear and the fourth gear are respectively fixed at two ends of the wheel shaft.

[0012] In some embodiments, the third gear and the fourth gear are both bevel spur gears.

[0013] In some embodiments, the roller assembly further includes a first support and a second support, and the first support and the second support are respectively arranged at two ends of the wheel shaft.

[0014] In some embodiments, the first support is provided with a first telescopic assembly, and the second support is provided with a second telescopic assembly, and the first telescopic assembly and the second telescopic assembly are used for adjusting the position of the wheel shaft.

[0015] To achieve the above-mentioned purpose, the utility model second aspect provides a plate body transmission device, including first aspect described roller assembly, the roller assembly includes wheel shaft, first transmission assembly, second transmission assembly, first wheel disc, second wheel disc and a plurality of rollers, the roller includes wheel body, first fitting connecting frame and second fitting connecting frame, the outer surface of the wheel body is provided with the friction pad for increasing the friction with the plate body.

[0016] The embodiment of the application has at least the following beneficial effects: one of the rollers is fixedly connected with the first disc through the first matching connecting frame, one of the rollers is fixedly connected with the second disc through the second matching connecting frame, and the rollers are fixed through clamping between the first matching connecting frame and the second matching connecting frame, so that rotation transmission is realized; in the roller assembly, the first disc and the second disc are fixedly connected with the wheel shaft in any mode of the prior art, the rollers are clamped and fixed with each other, the rollers at both ends of the wheel shaft are fixed with the first disc and the second disc respectively, the wheel shaft drives the first disc and the second disc to rotate, the first disc and the second disc drive the rollers to rotate, therefore, the rollers do not need to be fixedly connected with the wheel shaft, so that the difficulty of roller installation is reduced; and transmission between the first disc, the second disc and the rollers through the first matching connecting frame and the second matching connecting frame can also avoid sliding between the rollers and the wheel shaft, so that the transmission efficiency between the wheel shaft and the rollers is improved.

[0017] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the present application. The objects and other advantages of the present application can be realized and attained by the structure particularly pointed out in the description and claims hereof as well as in the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the principles of the present application, and are not intended to limit the present application.

[0019] Figure 1 An optional structural schematic view of the roller assembly provided by the embodiment of the present application is shown in the figure;

[0020] Figure 2 An optional structural schematic view of the roller provided by the embodiment of the present application is shown in the figure; Figure 1 A specific structural schematic view of the position A is shown in the figure;

[0021] Figure 3 An optional structural schematic view of the roller provided by the embodiment of the present application is shown in the figure; Figure 1 A specific structural schematic view of the position B is shown in the figure;

[0022] Figure 4 An optional structural schematic view of the roller provided by the embodiment of the present application is shown in the figure;

[0023] Figure 5 An optional structural schematic view of the roller provided by the embodiment of the present application is shown in the figure;

[0024] Figure 6 An optional structural schematic view of the roller assembly is provided for the embodiment of the utility model. DETAILED DESCRIPTION

[0025] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as a limitation on the utility model.

[0026] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] In the description of the utility model, the meaning of several is one or more, and the meaning of multiple is more than two, greater than, less than, more than and the like are not included in the number, and above, below, within and the like are included in the number. If it is described to the first, the second is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0028] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing and connecting should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0029] At present, the roller assembly includes a central axle and a roller arranged on the axle, the diameter of the axle is usually slightly larger than the diameter of the hollow part of the roller center, so as to increase the static friction force between the axle and the roller, the axle drives the roller to rotate through the static friction force, but when the external resistance of the roller is too large, the sliding between the axle and the roller will cause damage to the roller and the axle.

[0030] The utility model provides a kind of roller assembly and plate body transmission device for the problem of easy damage of roller and wheel shaft, according to the scheme provided in the utility model embodiment, by being fixedly arranged first wheel disc and second wheel disc on wheel shaft, one of the rollers is fixedly connected with first wheel disc by first cooperation connecting frame, one of the rollers is fixedly connected with second wheel disc by second cooperation connecting frame, the rollers are fixed by clamping between first cooperation connecting frame and second cooperation connecting frame, to carry out the transmission of rotation;The roller assembly provided in the utility model, only need to be fixedly connected with wheel shaft by first wheel disc and second wheel disc respectively in any mode of prior art, the rollers are fixed by clamping, the rollers located at both ends of wheel shaft are fixed with first wheel disc and second wheel disc respectively, wheel shaft directly drives first wheel disc and second wheel disc to rotate, first wheel disc and second wheel disc drive roller to rotate, so roller does not need to be fixedly connected with wheel shaft, to reduce the difficulty of roller installation;And, between first wheel disc, second wheel disc and roller, drive by first cooperation connecting frame and second cooperation connecting frame, the dynamic friction sliding between roller and wheel shaft can also be avoided, to improve the transmission efficiency between wheel shaft and roller.

[0031] The utility model embodiment is further described below with reference to the drawings.

[0032] Refer to Figures 1 to 6 The utility model embodiment provides a kind of roller assembly, comprising:

[0033] Wheel shaft 100;

[0034] First transmission assembly 200 is arranged at one end of wheel shaft 100, and first transmission assembly 200 is used to drive wheel shaft 100 to rotate;

[0035] Second transmission assembly 300 is arranged at the other end of wheel shaft 100, and second transmission assembly 300 cooperates with first transmission assembly 200 to drive wheel shaft 100 to rotate;

[0036] First wheel disc 410 and second wheel disc 420, first wheel disc 410 is fixed at one end of wheel shaft 100, and second wheel disc 420 is fixed at the other end of wheel shaft 100;

[0037] A plurality of rollers 500 are arranged between the first disc 410 and the second disc 420, each roller 500 comprising a wheel body 510, a first matching connecting frame 520 and a second matching connecting frame 530, the wheel shaft 100 penetrating the middle of the wheel body 510, the first matching connecting frame 520 being arranged on the first side of the wheel body 510, the second matching connecting frame 530 being arranged on the second side of the wheel body 510, the first matching connecting frame 520 being clamped with the second matching connecting frame 530 of another roller 500 on the first side of the roller 500, the second matching connecting frame 530 being clamped with the first matching connecting frame 520 of another roller 500 on the second side of the roller 500, the first matching connecting frame 520 of the roller 500 closest to the first disc 410 being fixedly connected with the first disc 410, and the second matching connecting frame 530 of the roller 500 closest to the second disc 420 being fixedly connected with the second disc 420.

[0038] Based on this, by setting the first wheel disc 410 and the second wheel disc 420 on the wheel shaft 100, the first wheel disc 410 and the second wheel disc 420 are fixed at both ends of the wheel shaft 100 respectively, the first wheel disc 410 and the second wheel disc 420 are sleeved on the wheel shaft 100, the wheel shaft 100 passes through the middle part of the first wheel disc 410 and the second wheel disc 420, when the wheel shaft 100 rotates, the first wheel disc 410 and the second wheel disc 420 rotate with the center of the self as the center; a plurality of rollers 500 are arranged between the first wheel disc 410 and the second wheel disc 420, the rollers 500 are laid on the wheel shaft 100 and rotate with the rotation of the wheel shaft 100, each roller 500 comprises a wheel body 510, a first matching connecting frame 520 and a second matching connecting frame 530, the wheel body 510 is sleeved on the wheel shaft 100, and the wheel shaft 100 passes through the middle part of the wheel body 510; the first matching connecting frame 520 is arranged on the first side of the wheel body 510, and the second matching connecting frame 530 is arranged on the second side of the wheel body 510; the first matching connecting frame 520 of the roller 500 closest to the first wheel disc 410 is fixedly connected with the first wheel disc 410, when the first wheel disc 410 rotates with the wheel shaft 100, the roller 500 closest to the first wheel disc 410 is driven to rotate, and the second matching connecting frame 530 of the roller 500 closest to the second wheel disc 420 is fixedly connected with the second wheel disc 420, when the second wheel disc 420 rotates with the wheel shaft 100, the roller 500 closest to the second wheel disc 420 is driven to rotate; the first matching connecting frame 520 and the second matching connecting frame 530 are mutually clamped between every two adjacent rollers 500, therefore, when the wheel shaft 100 is driven to rotate by the first transmission assembly 200 and the second transmission assembly 300, each roller 500 on the wheel shaft 100 can rotate with the wheel shaft 100; in summary, by fixedly arranging the first wheel disc 410 and the second wheel disc 420 on the wheel shaft 100, one of the rollers 500 is fixedly connected with the first wheel disc 410 through the first matching connecting frame 520, one of the rollers 500 is fixedly connected with the second wheel disc 420 through the second matching connecting frame 530, and the rollers 500 are fixed through the clamping between the first matching connecting frame 520 and the second matching connecting frame 530, so that the rotation is transmitted; in the roller assembly provided by the utility model, only the first wheel disc 410 and the second wheel disc 420 are fixedly connected with the wheel shaft 100 in any mode of the prior art, the rollers 500 are mutually clamped and fixed, the rollers 500 at both ends of the wheel shaft 100 are fixed with the first wheel disc 410 and the second wheel disc 420 respectively, the wheel shaft 100 directly drives the first wheel disc 410 and the second wheel disc 420 to rotate, the first wheel disc 410 and the second wheel disc 420 drive the rollers 500 to rotate, therefore, the rollers 500 do not need to be fixedly connected with the wheel shaft 100, so that the difficulty of installing the rollers 500 is reduced;And, between the first disc 410, the second disc 420 and the roller 500, the transmission is conducted through the first matching connecting frame 520 and the second matching connecting frame 530, which can also avoid the sliding between the roller 500 and the axle 100, and improve the transmission efficiency between the axle 100 and the roller 500.

[0039] Specifically, when the axle 100 is horizontally placed, the first side of the wheel body 510 is the left side, and the second side of the wheel body 510 is the right side accordingly; the first disc 410 is arranged at the left end of the axle 100, the second disc 420 is arranged at the right end of the axle 100, and the rollers 500 are arranged on the axle 100 from left to right in sequence, the first matching connecting frame 520 of the roller 500 at the leftmost side is fixedly connected with the first disc 410, the second matching connecting frame 530 of the roller 500 at the rightmost side is fixedly connected with the second disc 420, and for the two adjacent rollers 500, the second matching connecting frame 530 of the roller 500 at the left side is mutually clamped with the first matching connecting frame 520 of the roller 500 at the right side.

[0040] As shown in Figure 4 and Figure 5 , the first matching connecting frame 520 is provided with the first convex body 521 protruding outward, the second matching connecting frame 530 is provided with the second convex body 531 protruding outward, and the contact surface between the first convex body 521 and the second convex body 531 is parallel to the axle 100; between the two adjacent rollers 500, the second convex body 531 at the left side protrudes to the first matching connecting frame 520 at the right side, and at the same time, the first convex body 521 at the right side protrudes to the second matching connecting frame 530 at the left side; when the axle 100 rotates, the second convex body 531 at the left side roller 500 moves downward, and the second convex body 531 pushes the first convex body 521 downward, thereby driving the right side roller 500 to rotate in the same direction; similarly, when the first convex body 521 at the right side roller 500 moves upward, the first convex body 521 pushes the second convex body 531 upward, thereby driving the left side roller 500 to rotate in the same direction.

[0041] In addition, in a specific embodiment, each roller 500 is fixed with the axle 100 through interference fit, the inner cavities of the first matching connecting frame 520 and the second matching connecting frame 530 are attached to the axle 100, when the axle 100 rotates, the rotating driving force of the roller 500 comes from the pushing force between the first matching connecting frame 520 and the second matching connecting frame 530 and the static friction force between the roller 500 and the axle 100, the inner cavities of the first matching connecting frame 520 and the second matching connecting frame 530 are provided with friction pads, and the friction pads are used to enhance the static friction force between the roller 500 and the axle 100, thereby improving the resistance of the roller 500 to external resistance when rotating.

[0042] In addition, with reference toFigure 2 and Figure 3 As shown in FIG. 1 and FIG. 2, in some embodiments of the utility model, the first transmission assembly 200 comprises a first gear 210, the second transmission assembly 300 comprises a second gear 310, the first gear 210 and the second gear 310 are both straight-tooth cylindrical gears, suitable for transmitting larger torque, ensuring the stability of the axle 100 and the accuracy of transmission; the first gear 210 and the second gear 310 are fixed at both ends of the axle 100 respectively, the outer part of the roller assembly is provided with a straight-tooth motor, the straight-tooth motor is respectively embedded with the first gear 210 and the second gear 310, the straight-tooth motor drives the first gear 210 and the second gear 310 to rotate respectively, thereby driving the axle 100 to rotate.

[0043] In addition, the first transmission assembly 200 further comprises a third gear 220, the second transmission assembly 300 further comprises a fourth gear 320, the third gear 220 and the fourth gear 320 are both bevel cylindrical gears, the teeth on the third gear 220 and the fourth gear 320 are arranged along a spiral line, capable of bearing larger axial load, transmitting high-speed heavy load movement, the third gear 220 and the fourth gear 320 are fixed at both ends of the axle 100 respectively, the outer part of the roller assembly is further provided with a bevel motor, the bevel motor is respectively embedded with the third gear 220 and the fourth gear 320, the bevel motor drives the third gear 220 and the fourth gear 320 to rotate respectively.

[0044] In addition, as shown in FIG. 3 and FIG. 4, the roller assembly further comprises a first support 610 and a second support 620, the first support 610 and the second support 620 are both provided with bearings, the left end of the axle 100 passes through the bearing on the first support 610, the right end of the axle 100 passes through the bearing on the second support 620, the first support 610 and the second support 620 support the axle 100. Figure 1 The first support 610 is provided with a first telescopic assembly (not shown in the figure), the second support 620 is provided with a second telescopic assembly (not shown in the figure), the first telescopic assembly and the second telescopic assembly are respectively used for adjusting the position of the axle 100.

[0045] In addition, the embodiment of the application further proposes a plate body transmission device, the plate body transmission device comprises a roller assembly, the roller assembly comprises an axle, a first transmission assembly, a second transmission assembly, a first wheel disc, a second wheel disc and a plurality of rollers, the roller comprises a wheel body, a first matching connecting frame and a second matching connecting frame, the outer surface of the wheel body is provided with a friction pad for increasing the friction between the plate body.

[0046] It can be understood that the specific embodiments of the plate body transmission device are basically the same as the specific embodiments of the above roller assembly, and will not be repeated here.

[0047]

[0048] ​The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range that the person skilled in the art has possesses without departing from the utility model's tenet under the precondition that the knowledge range that the person skilled in the art has possesses.

Claims

1. A roller assembly, characterized in that, include: axle; A first transmission assembly is disposed at one end of the axle, and the first transmission assembly is used to drive the axle to rotate; A second transmission assembly is disposed at the other end of the wheel axle. The second transmission assembly cooperates with the first transmission assembly to jointly drive the wheel axle to rotate. A first wheel and a second wheel, wherein the first wheel is fixed to one end of the axle and the second wheel is fixed to the other end of the axle; Multiple rollers are disposed between a first wheel and a second wheel. Each roller includes a wheel body, a first mating connecting frame, and a second mating connecting frame. The wheel axle passes through the middle of the wheel body. The first mating connecting frame is disposed on a first side of the wheel body, and the second mating connecting frame is disposed on a second side of the wheel body. The first mating connecting frame engages with the second mating connecting frame of another roller located on the first side of the roller, and the second mating connecting frame engages with the first mating connecting frame of another roller located on the second side of the roller. The first mating connecting frame of the roller closest to the first wheel is fixedly connected to the first wheel, and the second mating connecting frame of the roller closest to the second wheel is fixedly connected to the second wheel.

2. The roller assembly according to claim 1, characterized in that, The first mating connecting frame is provided with a first protruding part that protrudes outward, and the second mating connecting frame is provided with a second protruding part that protrudes outward. The contact surface between the first protruding part and the second protruding part is parallel to the wheel axle.

3. The roller assembly according to claim 1, characterized in that, The inner cavities of the first and second mating connecting frames fit against the wheel axle, serving as friction pads to increase the frictional force between them and the wheel axle.

4. The roller assembly according to claim 1, characterized in that, The first transmission assembly includes a first gear, and the second transmission assembly includes a second gear, with the first gear and the second gear respectively fixed at both ends of the axle.

5. The roller assembly according to claim 4, characterized in that, Both the first gear and the second gear are spur gears.

6. The roller assembly according to claim 1, characterized in that, The first transmission assembly includes a third gear, and the second transmission assembly includes a fourth gear, wherein the third gear and the fourth gear are respectively fixed at both ends of the axle.

7. The roller assembly according to claim 6, characterized in that, Both the third gear and the fourth gear are bevel gears.

8. The roller assembly according to claim 1, characterized in that, The roller assembly also includes a first bracket and a second bracket, which are respectively disposed at both ends of the axle.

9. The roller assembly according to claim 8, characterized in that, The first bracket is provided with a first telescopic component, and the second bracket is provided with a second telescopic component. The first telescopic component and the second telescopic component are used to adjust the position of the wheel axle.

10. A plate transfer device, characterized in that, The roller assembly includes any one of claims 1 to 9, wherein the roller assembly includes a wheel axle, a first transmission component, a second transmission component, a first wheel disk, a second wheel disk, and a plurality of rollers, and the roller includes a wheel body, a first mating connecting frame, and a second mating connecting frame, wherein the outer surface of the wheel body is provided with a friction pad for increasing the friction between the wheel body and the plate body.

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