Roll shaft convenient to disassemble and assemble

Abstract

The utility model belongs to the technical field of roller shaft design, and particularly relates to a roller shaft convenient to disassemble and assemble, which comprises a roller shaft main body, a tooth punching cone is arranged at one end part of the roll shaft main body, and a first connecting gear is arranged at the end part of the tooth punching cone; oblique teeth are formed in the first connecting gear; a gasket is arranged at the end part of the first connecting gear; the side wall of the gasket is in threaded connection with a first stud; the end part of the first stud penetrates through the side wall of the gasket and is in threaded connection with a tooth punching cone; the first connecting gear is uniformly stressed by arranging the tooth punching cone and the helical teeth, and the end part of the first connecting gear is limited by arranging the gasket, so that the condition of stress concentration of the first connecting gear and the tooth punching cone is favorably avoided, the displacement of the first connecting gear is prevented, and the transmission efficiency of the roll shaft main body is increased; the bearing capacity of the roll shaft main body is improved, and meanwhile, the roll shaft main body is more convenient to disassemble.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the roller shaft design technical field, specifically speaking, it is a kind of roller shaft convenient to dismount. BACKGROUND

[0002] Roller shaft is a kind of mechanical transmission device, it is composed of bearing and roller, its main function is to transmit power and bear weight when rotating, and roller shaft is widely used in various industrial fields, such as steel, petroleum, chemical industry, machinery manufacturing etc., according to classification, roller shaft can be divided into steel roller shaft, cast iron roller shaft and plastic roller shaft etc.

[0003] The existing roller shaft is often inconvenient to disassemble due to the twist deformation of roller shaft and connecting piece, structural aging, surface rust and other reasons in use, and when the roller shaft is locked and cannot be removed in time, it will lead to waste of manpower, affect normal production work, reduce production efficiency and other negative results, and even cause long-term stagnation of production work.

[0004] Therefore, the utility model provides a kind of roller shaft convenient to dismount. UTILITY MODEL CONTENT

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem proposed in the background art is solved.

[0006] The utility model solves the technical scheme that the utility model discloses a kind of roller shaft convenient to dismount, including roller shaft main body;One end of the roller shaft main body is provided with open-toothed cone, and the first connecting gear is arranged in the end of the open-toothed cone;The inside of the first connecting gear is provided with bevel gear, and the bevel gear is arranged corresponding to open-toothed cone;The end of the first connecting gear is provided with gasket;First stud is screw-connected on the side wall of the gasket, and two first studs are symmetrically arranged;The end of the first stud is screw-connected with open-toothed cone, which is penetrated through the side wall of gasket;This step is evenly stressed by setting open-toothed cone and bevel gear to the first connecting gear, and the end of the first connecting gear is limited by setting gasket, which is conducive to avoiding the stress concentration of the first connecting gear and open-toothed cone, preventing the displacement of the first connecting gear, increasing the transmission efficiency of the roller shaft main body, improving the load capacity that the roller shaft main body can bear, and making the disassembly of the roller shaft main body more convenient.

[0007] Preferably, the end of the roller shaft body away from the gear cone is fixedly connected with a frustum, and the end of the frustum is provided with a second connecting gear; the middle part of the second connecting gear is provided with a groove corresponding to the frustum; the end of the frustum away from the roller shaft body is fixedly connected with a connecting column; the end of the second connecting gear away from the roller shaft body is in contact with a stopper, and the stopper is fixed on the connecting column; this step installs the second connecting gear by arranging the frustum, and limits the end of the second connecting gear by arranging the stopper, so that displacement of the second connecting gear in the working process is avoided, the transmission capacity of the roller shaft body is enhanced by arranging the closely matched frustum and groove, and separation of the roller shaft body and the second connecting gear is more convenient.

[0008] Preferably, the end of the gasket is provided with a fixing sheet, and the fixing sheet is provided with two first studs corresponding to the two first studs; the two first studs penetrate the side wall of the fixing sheet; this step increases the stress area of the gasket by arranging the fixing sheet between the first stud and the gasket, so that the stress of the gasket is more uniform, and the limiting effect of the gasket is strengthened, which is beneficial to reducing extrusion damage between components, prolonging the service life of the gasket without affecting the disassembly efficiency.

[0009] Preferably, the two stoppers are threadedly connected with a second stud; the two stoppers are internally provided with a second limiting groove; a first limiting groove is arranged on the side wall of the connecting column; and a limiting block is arranged between the first limiting groove and the second limiting groove; this step limits the stopper by arranging the limiting block, and the disassembly of the stopper is more convenient through the connection of the second stud.

[0010] Preferably, the two stoppers are internally fixedly connected with a fixing rod, and a plurality of fixing rods are arranged in a circumferential array, and a rotating ball is rotatably connected to the side wall of the fixing rod; this step reduces the friction between the stopper and the second connecting gear by arranging the rotating ball, thereby protecting the stopper and the second connecting gear and prolonging the service life of the structure.

[0011] Preferably, a ball-tapered joint washer is arranged between the two first studs and the fixing sheet, and the two ball-tapered joint washers are correspondingly arranged, the ball-tapered joint washer is composed of a spherical washer and a tapered washer; this step moves the first stud by arranging the ball-tapered joint washer between the first stud and the fixing sheet, slows down the falling rate of the first stud, thereby maintaining the limiting effect of the gasket and avoiding the end of the first connecting gear from losing the limitation.

[0012] Preferably, a spring washer is arranged between the two second studs and the side wall of the stopper; this step delays the falling of the second stud by arranging the spring washer, prevents the stopper from disintegrating, thereby maintains the limitation of the end of the second connecting gear and makes the working of the roller shaft body stable.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The roller shaft convenient to disassemble, through the setting of the open tooth cone and the bevel tooth, the first connecting gear is uniformly stressed, through the setting of the gasket, the end of the first connecting gear is limited, the stress concentration of the first connecting gear and the open tooth cone is avoided, the displacement of the first connecting gear is prevented, the transmission efficiency of the roller shaft body is increased, the load capacity that the roller shaft body can bear is improved, and the disassembly of the roller shaft body is more convenient.

[0015] 2. The roller shaft convenient to disassemble, the taper table is installed the second connecting gear, the end of the second connecting gear is limited through the setting of the stopper, the displacement of the second connecting gear in the working process is avoided, the taper table and the slot in close cooperation are set, the transmission capacity of the roller shaft body is enhanced, and the separation of the roller shaft body and the second connecting gear is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model makes further explanation in combination with the drawings.

[0017] Figure 1 It is the perspective view of the utility model;

[0018] Figure 2 It is the structure schematic view of the first connecting gear in the utility model;

[0019] Figure 3 It is the structure schematic view of the second connecting gear in the utility model;

[0020] Figure 4 It is the structure schematic view of the gasket in the utility model;

[0021] Figure 5 It is the structure schematic view of the stopper in the utility model.

[0022] In the drawing: 1, roller shaft body; 2, open tooth cone; 3, taper table; 4, connecting column; 5, first connecting gear; 6, second connecting gear; 7, gasket; 8, fixed sheet; 9, first stud; 10, ball taper cooperation washer; 11, stopper; 12, first limit slot; 13, limit block; 14, rotating ball; 15, spring washer; 16, second limit slot; 17, bevel tooth; 18, second stud; 19, fixed rod. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0024] The specific embodiments are given below.

[0025] As Figures 1 to 4 shown, the roller shaft convenient to disassemble of the embodiment of the present application, including the roller shaft main body 1, the one end of roller shaft main body 1 is provided with the open tooth cone 2, and the first connecting gear 5 is arranged at the end of open tooth cone 2, the inside of first connecting gear 5 is provided with the helical tooth 17, and the helical tooth 17 is arranged corresponding to open tooth cone 2, the end of first connecting gear 5 is provided with the gasket 7, the sidewall of gasket 7 is threadedly connected with the first stud 9, and the two first studs 9 are symmetrically arranged, the end of first stud 9 is threadedly connected with open tooth cone 2 penetrating the sidewall of gasket 7, in working, the helical tooth 17 provides power for first connecting gear 5 by interacting with open tooth cone 2, the roller shaft main body 1 is limited by the uniform open tooth of open tooth cone 2 and the corresponding arrangement of helical tooth 17, so that the stress of first connecting gear 5 is uniform, and due to the tapered structure of open tooth cone 2 and the structure of helical tooth 17 in first connecting gear 5, the end of first connecting gear 5 close to roller shaft main body 1 will be limited by open tooth cone 2, the other end of first connecting gear 5 is in contact with gasket 7, and gasket 7 is limited by the two first studs 9 threadedly connected with gasket 7 and open tooth cone 2, the position of first connecting gear 5 will be locked by the bidirectional limitation of gasket 7 and open tooth cone 2, whenever first connecting gear 5 needs to be disassembled, the staff can first disassemble the two first studs 9, and simultaneously remove gasket 7, and finally disassemble first connecting gear 5 from open tooth cone 2, in the process, the staff can easily separate roller shaft main body 1 and first connecting gear 5 by the corresponding structure of open tooth cone 2 and helical tooth 17, this step makes the stress of first connecting gear 5 uniform by setting open tooth cone 2 and helical tooth 17, and the end of first connecting gear 5 is limited by setting gasket 7, which is helpful to avoid the stress concentration of first connecting gear 5 and open tooth cone 2, prevent first connecting gear 5 from displacement, increase the transmission efficiency of roller shaft main body 1, improve the load capacity that roller shaft main body 1 can bear, and make the disassembly of roller shaft main body 1 more convenient.

[0026] As Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, the end of the roller shaft body 1 away from the gear cone 2 is fixed with a conical frustum 3, and the end of the conical frustum 3 is provided with a second connecting gear 6; the middle part of the second connecting gear 6 is provided with a slot corresponding to the conical frustum 3; the end of the conical frustum 3 away from the roller shaft body 1 is fixed with a connecting column 4; the end of the second connecting gear 6 away from the roller shaft body 1 contacts a stopper 11, and the stopper 11 is fixed on the connecting column 4; in work, the conical frustum 3 is connected with the second connecting gear 6 through the slot of the second connecting gear 6, and by means of the structure of the conical frustum 3 and the slot of the second connecting gear 6 and the close contact of the two, the roller shaft body 1 can conduct stress to the slot of the second connecting gear 6 through the conical frustum 3, so that the second connecting gear 6 moves, and due to the structure of the conical frustum 3 and the slot of the second connecting gear 6, the second connecting gear 6 cannot displace to the roller shaft body 1, and in the direction away from the roller shaft body 1, the second connecting gear 6 is blocked by the stopper 11 fixed on the connecting column 4, and whenever the roller shaft body 1 needs to be removed, the staff can first disassemble the stopper 11, and then naturally take off the second connecting gear 6 by means of the conical structure of the conical frustum 3; this step installs the second connecting gear 6 by setting the conical frustum 3, limits the end of the second connecting gear 6 by setting the stopper 11, avoids displacement of the second connecting gear 6 in the working process, enhances the transmission capacity of the roller shaft body 1 by setting the closely matched conical frustum 3 and slot, and makes the separation of the roller shaft body 1 and the second connecting gear 6 more convenient.

[0027] As shown in the drawings, Figure 2 With Figure 4 As shown, the end of the gasket 7 is provided with a fixed sheet 8, and the fixed sheet 8 is provided with two first studs 9; the two first studs 9 penetrate the side wall of the fixed sheet 8; in work, the two first studs 9 simultaneously provide pressure to the fixed sheet 8, and transmit the pressure to the gasket 7 through the fixed sheet 8, and the fixed sheet 8 enlarges the pressure acting surface of the two first studs 9 by itself, so that the stress of the gasket 7 is more uniform, and the limiting effect of the gasket 7 is better; this step increases the stress area of the gasket 7 by setting the fixed sheet 8 between the first stud 9 and the gasket 7, so that the stress of the gasket 7 is more uniform, and the limiting performance of the gasket 7 is strengthened, which is beneficial to reduce the extrusion damage between components, prolongs the service life of the gasket 7 without affecting the disassembly efficiency.

[0028] As shown in the drawings, Figure 3As shown, the two limiters 11 are threadedly connected with the second stud 18; the two limiters 11 are internally provided with the second limiting groove 16; the sidewall of the connecting column 4 is provided with the first limiting groove 12; the limiting block 13 is arranged between the first limiting groove 12 and the second limiting groove 16; in working, the two limiters 11 are connected through the second stud 18, the two limiting blocks 13 between the second limiting groove 16 and the first limiting groove 12 limit the two limiters 11 assembled together at the corresponding position of the connecting column 4, so as to realize the limitation of the second connecting gear 6 by the limiter 11; whenever the roller shaft body 1 needs to be disassembled, the second stud 18 on the two limiters 11 can be disassembled by the worker, so that the two limiters 11 are disassembled; this step limits the limiter 11 by arranging the limiting block 13, and the disassembly of the limiter 11 is more convenient through the connection of the second stud 18.

[0029] As shown in the figure, Figure 5 The inside of the two limiters 11 is fixedly connected with the fixed rod 19, and the plurality of fixed rods 19 are arranged in a circumferential array, and the sidewall of the plurality of fixed rods 19 is rotatably connected with the rotating ball 14; in working, whenever the limiting block 13 between the first limiting groove 12 and the second limiting groove 16 is displaced in the gap between the two, the plurality of rotating balls 14 can make the limiter 11 slightly rotate relative to the second connecting gear 6 through slight rotation, so as to adapt to the movement of the limiting block 13; this step reduces the friction between the limiter 11 and the second connecting gear 6 by arranging the rotating ball 14, so as to protect the limiter 11 and the second connecting gear 6 and prolong the service life of the structure.

[0030] As shown in the figure, Figure 4 The two first studs 9 and the fixed sheet 8 are provided with the ball-taper matching washer 10, and the two ball-taper matching washers 10 are correspondingly arranged, and the ball-taper matching washer 10 is composed of a spherical washer and a tapered washer; in working, whenever the first stud 9 moves relative to the surface of the fixed sheet 8, the ball-taper matching washer 10 composed of the spherical washer and the tapered washer is extruded and moved by the spherical washer and the tapered washer, adapts to the movement of the first stud 9, maintains the pressure of the first stud 9 on the gasket 7, so that the two first studs 9 are more stable; this step moves the first stud 9 by arranging the ball-taper matching washer 10 between the first stud 9 and the fixed sheet 8, slows down the falling rate of the first stud 9, so as to maintain the limiting effect of the gasket 7 and avoid the end of the first connecting gear 5 losing the limitation.

[0031] As shown in the figure, Figure 5As shown, two spring washers 15 are arranged between the second stud 18 and the side wall of the limiter 11; in operation, whenever the second stud 18 moves relative to the limiter 11, the two spring washers 15 deform to adapt to the displacement of the second stud 18, thereby maintaining the pressure of the second stud 18 on the limiter 11; this step delays the falling of the second stud 18 by arranging the spring washers 15, prevents the disintegration of the limiter 11, and thus maintains the limitation of the end of the second connecting gear 6, so that the roller shaft body 1 works stably.

[0032] In operation, the oblique teeth 17 provide power for the first connecting gear 5 through interaction with the open-tooth cone 2, the roller shaft body 1 is connected with the corresponding oblique teeth 17 through the open-tooth cone 2 with uniform open teeth, so that the first connecting gear 5 is uniformly stressed, and due to the tapered structure of the open-tooth cone 2 and the structure of the oblique teeth 17 inside the first connecting gear 5, the end of the first connecting gear 5 close to the roller shaft body 1 is limited by the open-tooth cone 2, the other end of the first connecting gear 5 is in contact with the gasket 7, and the gasket 7 is limited by the two first studs 9 that are simultaneously screwed with the open-tooth cone 2, through the bidirectional limitation of the gasket 7 and the open-tooth cone 2, the position of the first connecting gear 5 will be locked, whenever the first connecting gear 5 needs to be disassembled, the staff can first disassemble the two first studs 9, and simultaneously remove the gasket 7, and finally disassemble the first connecting gear 5 from the open-tooth cone 2, in the process, through the corresponding structure of the open-tooth cone 2 and the oblique teeth 17, the staff can easily separate the roller shaft body 1 and the first connecting gear 5, the taper table 3 is connected with the second connecting gear 6 through the slot of the second connecting gear 6, through the structure of the taper table 3 and the slot of the second connecting gear 6 and the close contact of the two, the roller shaft body 1 can transmit stress to the slot of the second connecting gear 6 through the taper table 3, so that the second connecting gear 6 moves, due to the structure of the taper table 3 and the slot of the second connecting gear 6, the second connecting gear 6 cannot displace the roller shaft body 1, and in the direction away from the roller shaft body 1, the second connecting gear 6 is blocked by the stopper 11 fixed on the connecting column 4, whenever the roller shaft body 1 needs to be removed, the staff can first disassemble the stopper 11, and then naturally remove the second connecting gear 6 through the tapered structure of the taper table 3, the two first studs 9 simultaneously provide pressure to the fixed sheet 8, and transmit the pressure to the gasket 7 through the fixed sheet 8, the fixed sheet 8 expands the pressure surface of the two first studs 9, so that the gasket 7 is more uniformly stressed, so that the gasket 7 has better limiting effect, the two stoppers 11 are connected through the second stud 18, the two limiting blocks 13 between the second limiting groove 16 and the first limiting groove 12 limit the two stoppers 11 assembled together in the corresponding position of the connecting column 4, so as to limit the second connecting gear 6 by the stopper 11, whenever the roller shaft body 1 needs to be disassembled, the staff can disassemble the second stud 18 on the two stoppers 11, so that the two stoppers 11 are disassembled, whenever the limiting block 13 between the first limiting groove 12 and the second limiting groove 16 displaces in the gap between the two, the plurality of rotating balls 14 can slightly rotate to make the stopper 11 slightly rotate relative to the second connecting gear 6, so as to adapt to the movement of the limiting block 13, whenever the first stud 9 moves relative to the surface of the fixed sheet 8, the ball-taper joint gasket 10 composed of the spherical surface gasket and the tapered surface gasket is squeezed and moved by the spherical surface gasket and the tapered surface gasket, adapts to the movement of the first stud 9, maintains the pressure of the first stud 9 on the gasket 7, so that the two first studs 9 are more stable,Whenever the second stud 18 moves relative to the retainer 11, the two spring washers 15 accommodate the displacement of the second stud 18 by deforming themselves, maintaining the pressure of the second stud 18 against the retainer 11.

[0033] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A roll shaft which is easy to disassemble, comprising a roll shaft body (1); characterized in that: One end of the roller body (1) is provided with an open-toothed cone (2), and the end of the open-toothed cone (2) is provided with a first connecting gear (5); the inside of the first connecting gear (5) is provided with a bevel gear (17), and the bevel gear (17) is provided corresponding to the open-toothed cone (2); the end of the first connecting gear (5) is provided with a gasket (7); the sidewall of the gasket (7) is threadedly connected with a first stud (9), and the two first studs (9) are symmetrically arranged; the end of the first stud (9) penetrates the sidewall of the gasket (7) and is threadedly connected with the open-toothed cone (2).

2. The roll according to claim 1, wherein: The end of the roller body (1) away from the open-toothed cone (2) is fixedly connected with a frustum (3), and the end of the frustum (3) is provided with a second connecting gear (6); the middle part of the second connecting gear (6) is provided with a slot corresponding to the frustum (3); the end of the frustum (3) away from the roller body (1) is fixedly connected with a connecting column (4); the end of the second connecting gear (6) away from the roller body (1) is in contact with a stopper (11), and the stopper (11) is fixed on the connecting column (4).

3. The easily removable roller shaft according to claim 2, wherein: The end of the gasket (7) is provided with a fixed sheet (8), and the fixed sheet (8) is provided corresponding to the two first studs (9); the two first studs (9) penetrate the sidewall of the fixed sheet (8).

4. The easily removable roller shaft according to claim 3, wherein: The second stud (18) is threadedly connected between the two stoppers (11); the second limiting groove (16) is formed in the inside of the two stoppers (11); the first limiting groove (12) is formed in the sidewall of the connecting column (4); the limiting block (13) is arranged between the first limiting groove (12) and the second limiting groove (16).

5. A roll according to claim 4, wherein: The fixed rod (19) is fixedly connected in the inside of the two stoppers (11), and a plurality of fixed rods (19) are arranged in a circumferential array, and the sidewall of the plurality of fixed rods (19) is rotatably connected with a rotating ball (14).

6. A roll according to claim 5, wherein: The spherical cone matching gasket (10) is arranged between the two first studs (9) and the fixed sheet (8), and the two spherical cone matching gaskets (10) are arranged correspondingly, and the spherical cone matching gasket (10) is composed of a spherical gasket and a conical gasket.

7. A roll according to claim 6, wherein: The spring gasket (15) is arranged between the sidewall of the two second studs (18) and the stopper (11).

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