SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a belt drum, which aims to solve the problem of low working efficiency of the belt drum in the prior art.
In order to achieve the above object, the present invention provides a belt drum comprising: a main shaft; the drum plate assembly is circumferentially arranged on the outer side of the main shaft and can move along the radial direction of the main shaft; the guide rail assembly is axially and movably arranged between the drum plate assembly and the main shaft, the guide rail assembly is provided with an outer inclined surface, the drum plate assembly is provided with an inner inclined surface, and the outer inclined surface is attached to and extruded with the inner inclined surface so as to drive the drum plate assembly to move radially; the first driving assembly comprises a movably arranged piston cylinder, the piston cylinder is connected with the guide rail assembly, and the piston cylinder and the guide rail assembly move synchronously; the second driving assembly comprises a piston, and the piston is axially and movably arranged in the piston cylinder; when the first driving assembly acts, the piston is kept still, the piston cylinder moves, the piston cylinder drives the guide rail assembly to move, and the outer inclined surface extrudes the inner inclined surface to increase the diameter of the drum plate assembly; when the second driving component acts, pressure is kept in the cavity of the piston cylinder, the piston moves and drives the piston cylinder to move synchronously, the piston cylinder drives the guide rail component to move, and the outer inclined plane extrudes the inner inclined plane so as to increase the diameter of the drum plate component.
Further, the range of the diameter change of the drum plate assembly driven by the second driving assembly is larger than the range of the diameter change of the drum plate assembly driven by the first driving assembly.
Further, the first drive assembly further comprises: the pneumatic connector is connected with the piston cylinder and is communicated with the cavity of the piston cylinder so as to apply pressure to the cavity of the piston cylinder; the conical disc is connected with the piston cylinder and moves synchronously, one side of the conical disc, which is far away from the piston cylinder, is conical, and the conical surface is connected with the guide rail assembly.
Further, the second drive assembly further comprises: the sliding sleeve is axially and movably arranged on the outer side of the main shaft, and is connected with the piston and moves synchronously; the screw nut assembly comprises a screw rod and a nut, the screw rod is arranged on the main shaft in a penetrating mode, the nut is sleeved on the screw rod and matched with the screw rod in a threaded mode, the nut is connected with the sliding sleeve and moves synchronously, and the screw rod drives the sliding sleeve and the piston to move axially through the nut.
Further, the second drive assembly further comprises: the hand wheel is movable on the outer side of the belt ply drum, one end of the lead screw extends out of the main shaft, and the hand wheel is arranged at one end of the lead screw extending out of the main shaft; and the hand wheel is in driving connection with the lead screw through the transmission assembly and drives the lead screw to rotate.
Further, the inner cavity has been seted up to the main shaft, and the lead screw is worn to establish in the inner cavity, and the nut sets up including the intracavity, and the hole of dodging has been seted up to the lateral wall of inner cavity, and the connecting piece is worn to establish in dodging the hole to be connected with nut and sliding sleeve, so that nut and sliding sleeve simultaneous movement.
Further, the belt drum further comprises an indicator, which is arranged on the outer surface of the belt drum and is capable of displaying the size of the diameter of the belt drum.
Further, the belt drum further comprises a wall plate which is arranged on the end face of the belt drum and shields components in the belt drum, and the indicator is arranged on the outer side face of the wall plate.
Further, the drum plate assembly includes: the drum plates are sequentially connected to form a cylindrical structure; the supporting blocks are arranged on the inner side of the drum plate and connected with the drum plate, and an inner inclined plane is arranged on one side, far away from the drum plate, of each supporting block.
By applying the technical scheme of the utility model, the first driving assembly and the second driving assembly are arranged and can drive the drum plate assembly to move radially through the guide rail assembly, and the difference between the first driving assembly and the second driving assembly is that the first driving assembly and the second driving assembly control the drum plate assembly to expand and contract radially in different ranges, so that when the belt bundle layer drum is machined, the diameter of the belt bundle layer drum can be roughly adjusted in a large range through the second driving assembly, specifically, the driving piston moves in the piston cylinder, and the piston cylinder can be driven to move together by the movement of the piston due to the pressure maintenance in the piston cylinder, so that the guide rail assembly is driven to move axially, and the outer inclined plane extrudes the inner inclined plane, so that the diameter of the drum plate assembly is increased; then, the first driving assembly is used for finely adjusting the diameter of the belt ply drum within a small range, particularly, the piston cylinder is driven to integrally move, the guide rail assembly is driven to move by the movement of the piston cylinder, the outer inclined surface extrudes the inner inclined surface, the diameter of the drum plate assembly is increased, therefore, when tires with the same inch-class specification are produced in machining, the adjustment from the minimum diameter to the required diameter is not required for multiple times, only the fine adjustment within the small range is required, namely only the first driving assembly is required to act, the second driving assembly is not required to act, the time consumed by adjusting the diameter is greatly shortened, the machining efficiency is improved, compared with the mode of adjusting the diameter greatly in the prior art, the diameter of the local adjusting drum can be realized, the diameter precision is ensured, the production efficiency of the belt ply drum is improved, and the product quality of finished tires is ensured.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the utility model.
The utility model provides a belt ply drum and a diameter adjusting method of the belt ply drum, aiming at solving the problem of low working efficiency of the belt ply drum in the prior art.
A belt drum as shown in fig. 1 and 2, comprising a main shaft 10, a drum plate assembly 20, a guide rail assembly 30, a first driving assembly and a second driving assembly, wherein the drum plate assembly 20 is circumferentially arranged outside the main shaft 10 and can move along the main shaft 10 in the radial direction; the guide rail assembly 30 is axially and movably arranged between the drum plate assembly 20 and the main shaft 10, the guide rail assembly 30 is provided with an outer inclined surface, the drum plate assembly 20 is provided with an inner inclined surface, and the outer inclined surface is attached to and extruded with the inner inclined surface so as to drive the drum plate assembly 20 to radially move; the first driving assembly comprises a movably arranged piston cylinder 41, the piston cylinder 41 is connected with the guide rail assembly 30 and moves synchronously; the second driving assembly comprises a piston 51, and the piston 51 is axially movably arranged in the piston cylinder 41; when the first driving assembly acts, the piston 51 is kept still, the piston cylinder 41 moves, the piston cylinder 41 drives the guide rail assembly 30 to move, and the outer inclined surface extrudes the inner inclined surface to increase the diameter of the drum plate assembly 20; when the second drive assembly is actuated, pressure is maintained in the cavity of the piston cylinder 41, the piston 51 moves and drives the piston cylinder 41 to move synchronously, the piston cylinder 41 drives the guide rail assembly 30 to move, and the outer ramps press against the inner ramps to increase the diameter of the drum plate assembly 20.
In the embodiment, by providing the first driving assembly and the second driving assembly, both the first driving assembly and the second driving assembly can drive the drum plate assembly 20 to move radially through the guide rail assembly 30, and the difference between the first driving assembly and the second driving assembly is that the first driving assembly and the second driving assembly control the drum plate assembly 20 to expand and contract radially differently, so that when machining is performed, the diameter of the belt drum can be roughly adjusted in a large range through the second driving assembly, specifically, the driving piston 51 moves in the piston cylinder 41, and due to the pressure maintenance in the piston cylinder 41, the movement of the piston 51 drives the piston cylinder 41 to move together, so as to drive the guide rail assembly 30 to move axially, and the outer inclined surface extrudes the inner inclined surface, so that the diameter of the drum plate assembly 20 is increased; then, the diameter of the belt ply drum is finely adjusted in a small range through the first driving assembly, specifically, the piston cylinder 41 is driven to integrally move, the guide rail assembly 30 is driven to move by the movement of the piston cylinder 41, the outer inclined surface extrudes the inner inclined surface, and the diameter of the drum plate assembly 20 is increased.
In the present embodiment, the range in which the second driving assembly drives the drum plate assembly 20 to change the diameter is larger than the range in which the first driving assembly drives the drum plate assembly 20 to change the diameter, that is, the second driving assembly is used for performing a large-range adjustment on the diameter of the drum plate assembly 20, and the first driving assembly is used for performing a small-range adjustment on the diameter of the drum plate assembly 20. Of course, the specific roles of the first and second drive assemblies may be interchanged.
The first drive assembly of this embodiment further comprises a pneumatic connector 42 and a conical disc 43, the pneumatic connector 42 is connected with the piston cylinder 41 and is communicated with the cavity of the piston cylinder 41, and the pneumatic connector 42 can be communicated with a gas source, so that pressure can be applied to the cavity of the piston cylinder 41 to realize synchronous movement and relative movement of the piston 51 and the piston cylinder 41. The conical disc 43 is connected with the outer side face, far away from the center of the belt ply drum, of the piston cylinder 41 and moves synchronously, one side, far away from the piston cylinder 41, of the conical disc 43 is conical, the conical face is connected with the guide rail assembly 30, and therefore the guide rail assembly 30 forms an inclined outer inclined face. Of course, the specific arrangement of the piston cylinder 41 and the conical disc 43 can also be changed according to the requirement, for example, the outer side of the piston cylinder 41 is directly arranged as an inclined surface.
The second driving assembly of the present embodiment further includes a sliding sleeve 52 and a screw nut assembly, the sliding sleeve 52 is axially movably disposed outside the main shaft 10, the sliding sleeve 52 is connected with the piston 51, and the two synchronously move. The screw and nut assembly comprises a screw 53 and a nut 54, wherein the screw 53 is arranged on the spindle 10 in a penetrating mode, the screw 53 can rotate relative to the rotating shaft, the nut 54 is sleeved on the screw 53 and is in threaded fit with the screw 53, and the nut 54 is connected with the sliding sleeve 52 and moves synchronously, so that when the screw 53 is rotated, the screw 53 drives the nut 54 to move axially through threaded fit, the sliding sleeve 52 and the piston 51 to move axially through the movement of the nut 54, the axial movement of the piston 51 and the piston cylinder 41 is realized, and the extrusion fit between the outer inclined plane and the inner inclined plane is further realized. The outward extending distance of the screw nut component does not need to be long, so that overlarge space is not occupied, and the arrangement of a forming machine is not influenced. Of course, the manner in which the second drive member drives the piston 51 may take other forms as desired. Such as a slider-crank mechanism or the like.
The main shaft 10 of this embodiment has been seted up the inner chamber, and lead screw 53 wears to establish in the inner chamber, and nut 54 also sets up in the inner chamber, and the hole of dodging has been seted up to the lateral wall of inner chamber, adopts parts such as keys to wear to establish in dodging the hole as the connecting piece to be connected with nut 54 and sliding sleeve 52, thereby couple together nut 54 and sliding sleeve 52, make the synchronous axial motion of the two. One end of the inner cavity is provided with an opening so that the lead screw 53 can extend out of the main shaft 10 from the opening to be matched with other parts such as the hand wheel 55, and the other end of the inner cavity can be connected with parts such as the main case 80 to drive the main shaft 10.
The second driving assembly of the embodiment further comprises a hand wheel 55 and a transmission assembly 56, wherein the hand wheel 55 is movably arranged on the outer side of the belt drum, one end of the lead screw 53 extends out of the main shaft 10, and the hand wheel 55 is arranged at one end of the lead screw 53 extending out of the main shaft 10; the hand wheel 55 is in driving connection with the lead screw 53 through the transmission assembly 56 and drives the lead screw 53 to rotate, so that the operator can adjust the piston 51 by rotating the hand wheel 55. The transmission assembly 56 of the present embodiment uses a gear pair assembly, but of course, other transmission assemblies may be used, and the adjustment mode may be an automatic control mode, besides a manual adjustment mode.
In this embodiment, the belt drum further comprises an indicator 60, the indicator 60 is arranged on the outer surface of the belt drum and can display the diameter of the belt drum, so that the belt drum has a digital display function, the drum diameter can be displayed in real time, the drum outer diameter does not need to be manually measured at each time, an operator can know the use condition of the drum in time, and the efficiency is improved. The indicator 60 may be provided in plural as needed, and the present embodiment is provided with three indicators 60 and is provided on the side face at intervals of 120 degrees in the circumferential direction.
In this embodiment, the belt drum further comprises wall plates 70, and the wall plates 70 are arranged on the end surfaces of the belt drum and shield the components such as the first driving assembly, part of the second driving assembly and the like in the belt drum, so as to protect the components and also serve as shell components of the belt drum. The indicator 60 is disposed on the outside of the wall panel 70.
The drum plate assembly 20 of the present embodiment includes a plurality of drum plates 21 and a plurality of support blocks 22, and the drum plates 21 are connected in sequence to form a cylindrical structure; the supporting block 22 is disposed inside the drum plate 21 and connected to the drum plate 21, and the supporting block 22 is Z-shaped, and has an inner slope on a side away from the drum plate 21 so as to be engaged with an outer slope of the rail assembly 30.
The embodiment also provides a belt drum diameter adjusting method, which adopts the belt drum and comprises the following steps:
step S1: the second driving assembly of the belt ply drum acts, pressure is kept in a cavity of a piston cylinder 41 of the first driving assembly of the belt ply drum, a piston 51 of the second driving assembly moves and drives the piston cylinder 41 to move synchronously, the piston cylinder 41 drives a guide rail assembly 30 of the belt ply drum to move, an outer inclined plane of the guide rail assembly 30 extrudes an inner inclined plane of a drum plate assembly 20 of the belt ply drum, and the diameter of the drum plate assembly 20 is increased to be rough. When the second driving assembly acts, an operator rotates the hand wheel 55, the hand wheel 55 drives the lead screw 53 to rotate through the transmission assembly 56, the lead screw 53 drives the nut 54 to axially move, the nut 54 drives the sliding sleeve 52 and the piston 51 to synchronously axially move, the piston 51 drives the piston cylinder 41 and the guide rail assembly 30 to move, and the outer inclined surface of the guide rail assembly 30 extrudes the inner inclined surface of the drum plate assembly 20, so that the diameter of the drum plate assembly 20 is increased;
step S2: the first drive assembly is actuated and the piston 51 remains stationary and the piston cylinder 41 moves, the piston cylinder 41 moves the guide rail assembly 30, the outer ramps compress the inner ramps, and the drum plate assembly 20 increases in diameter to a precise size. When the first driving component acts, the pneumatic joint 42 introduces gas into one cavity of the piston cylinder 41 to pressurize, the piston cylinder 41, the conical disc 43 and the guide rail component 30 are driven to move axially, and the outer inclined plane drives the inner inclined plane, so that the diameter of the drum plate component 20 is increased;
step S3: the main shaft 10 rotates under the action of the main case 80, the rubber materials are pasted, the joints are firmly rolled, then 2#, 3#, 4# belt layers are sequentially and automatically pasted, the joints are firmly rolled, and the process of pasting the rubber materials of the belt layers and firmly rolling the joints is completed;
step S4: the first drive assembly is actuated and piston 51 remains stationary, piston cylinder 41 moves in reverse, piston cylinder 41 moves guide track assembly 30 in reverse, guide track assembly 30 moves drum plate assembly 20, and drum plate assembly 20 reduces in diameter to a rough size. When the first driving component acts, the pneumatic joint 42 injects gas into the cavity of the piston cylinder 41 to apply negative pressure or applies positive pressure to the other cavity, the piston cylinder 41, the conical disc 43 and the guide rail component 30 are driven to move axially, and the outer inclined plane drives the inner inclined plane, so that the diameter of the drum plate component 20 is reduced;
step S5: and (4) unloading the processed tire under the action of a forming machine, processing the next tire, and repeating the steps S2 to S5 if the tires of the same size grade and specification are continuously produced, or repeating the steps S1 to S5 after the drum diameter is reduced to the minimum diameter if the tires of different size grade and specification are continuously produced.
By the method, when the diameter of the belt ply drum is adjusted, the first driving assembly is only required to be adjusted to produce tires with the same size and specification, the diameter of the belt ply drum can be adjusted within a small range, and the second driving assembly is not required to adjust the diameter of the belt ply drum within a large range, so that the effect of improving the efficiency is achieved. Here, the rough size means a size having a certain distance from a desired diameter size and larger than the minimum diameter of the belt drum, and the precise size means a size substantially the same as the desired diameter size, and its specific value may be determined according to actual processing.
It should be noted that, a plurality in the above embodiments means at least two.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
1. the problem of low working efficiency of the belt ply drum in the prior art is solved;
2. when tires with the same size and specification are produced during processing, the adjustment from the minimum diameter to the required diameter is not required for multiple times, and only small-range fine adjustment is required, so that the time consumed by diameter adjustment is greatly shortened, and the processing efficiency is improved;
3. the diameter of the drum can be locally adjusted, the diameter precision is ensured, the production efficiency of the belt ply drum is improved, and the product quality of a finished tire is ensured;
4. the outward extending distance of the screw nut component does not need to be long, so that overlarge space is not occupied, and the arrangement of a forming machine is not influenced.
It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.