CN216506868U - Belt ply drum expansion and contraction driving device, belt ply drum and forming machine - Google Patents
Belt ply drum expansion and contraction driving device, belt ply drum and forming machine Download PDFInfo
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- CN216506868U CN216506868U CN202123222759.9U CN202123222759U CN216506868U CN 216506868 U CN216506868 U CN 216506868U CN 202123222759 U CN202123222759 U CN 202123222759U CN 216506868 U CN216506868 U CN 216506868U
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Abstract
The utility model provides a belt ply drum expansion and contraction driving device, a belt ply drum and a forming machine, wherein the belt ply drum expansion and contraction driving device comprises an expansion and contraction mechanism; the fixed sleeve is in driving connection with the expansion and contraction mechanism; the swing sleeve is in driving connection with the expansion and contraction mechanism and drives the expansion and contraction mechanism to perform telescopic motion together with the fixed sleeve; the first driving mechanism is connected with the fixed sleeve so as to drive the fixed sleeve to rotate; and the second driving mechanism is connected with the swinging sleeve to drive the swinging sleeve to rotate. The belt ply swelling and shrinking driving device solves the problem that the control of the angle of the swinging sleeve in the prior art is inaccurate.
Description
Technical Field
The utility model relates to the technical field of tire manufacturing, in particular to a belt ply drum expansion and contraction driving device, a belt ply drum and a forming machine.
Background
The belt ply drum used by the existing semisteel forming machine expands and contracts by driving a sliding sleeve to move through an optical axis, a track roller is arranged inside the sliding sleeve, the outer ring of the track roller is matched with a groove of a swinging sleeve, the sliding sleeve moves to drive the swinging sleeve to rotate, the swinging sleeve rotates and a fixed sleeve is fixed, and the two form an angle difference value to drive the belt ply drum to realize expansion and contraction.
Although the current driving device can realize the expansion and contraction of the belt layer drum, the final transmission precision is influenced by the clearance fit among paths due to too many transmission paths, for example, the outer ring of the track roller is matched with the groove of the swinging sleeve to form a clearance, so that the problem of inaccurate angle control of the swinging sleeve is caused.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a belt ply drum expansion and contraction driving device, a belt ply drum and a forming machine, which aim to solve the problem of inaccurate control of a swing sleeve angle in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a belt expansion and contraction driving device including: an expansion and contraction mechanism; the fixed sleeve is in driving connection with the expansion and contraction mechanism; the swing sleeve is in driving connection with the expansion and contraction mechanism and drives the expansion and contraction mechanism to perform telescopic motion together with the fixed sleeve; the first driving mechanism is connected with the fixed sleeve so as to drive the fixed sleeve to rotate; and the second driving mechanism is connected with the swinging sleeve to drive the swinging sleeve to rotate.
Furthermore, the fixed sleeve is sleeved on the outer side of the swinging sleeve, and the swinging sleeve is rotatably arranged relative to the fixed sleeve.
Further, the pendulum rotating sleeve has first position and second position relative to the fixed cover, and belted layer drum contracts drive arrangement and still includes: the limiting assembly is arranged on the swinging sleeve and/or the fixing sleeve, so that the swinging sleeve rotates between a first position and a second position relatively to the fixing sleeve by limiting the rotating position of the swinging sleeve relatively to the fixing sleeve.
Further, spacing subassembly includes a plurality of spacing archs, and a plurality of spacing archs set up along the circumference direction interval of pendulum commentaries on classics cover, still are equipped with a plurality of bar holes on the circumference direction along fixed cover, and a plurality of spacing archs set up with a plurality of bar holes one-to-ones to insert respectively and establish in corresponding bar downthehole, in order when pendulum commentaries on classics cover fixed cover relatively rotates, make spacing protruding edge bar hole ground extending direction rotate.
Further, the belt expansion and contraction driving device further comprises: the first connecting sleeve is connected with the fixed sleeve, and the first driving mechanism is in driving connection with the first connecting sleeve so as to drive the fixed sleeve to rotate through the first connecting sleeve.
Further, the belt expansion and contraction driving device further comprises: and the second connecting sleeve is connected with the swinging sleeve, and the second driving mechanism is in driving connection with the second connecting sleeve so as to drive the swinging sleeve to rotate through the second connecting sleeve.
Further, the first drive mechanism employs a first pulley assembly.
Further, the second drive mechanism employs a second conveyor wheel assembly.
According to a second aspect of the present invention, there is provided a belt drum, comprising an expansion and contraction mechanism and a belt expansion and contraction driving device, wherein the belt expansion and contraction driving device is drivingly connected to the expansion and contraction mechanism to drive the expansion and contraction mechanism to perform a telescopic motion, and the belt expansion and contraction driving device is the above belt expansion and contraction driving device.
According to a third aspect of the utility model, a building machine is provided comprising a belt drum as described above.
The belt ply drum expansion and contraction driving device is mainly applied to driving a belt ply drum to realize expansion movement and rotation, specifically, two driving mechanisms are adopted to respectively drive a fixed sleeve and a swing sleeve to rotate so as to realize expansion and rotation of the belt ply drum, the two driving mechanisms respectively drive the fixed sleeve and the swing sleeve, for the fixed sleeve or the swing sleeve, the driving path is reduced to reduce the clearance fit error between each transmission link, and further the control precision is increased, the movement of the fixed sleeve or the swing sleeve can be accurately controlled by controlling the driving mechanisms, so that the movement of the expansion and contraction mechanism is more accurately controlled, and the problem that the belt ply drum expansion and contraction cannot be in place due to inaccurate angle control of the swing sleeve is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 shows a schematic structural view of an embodiment of a belt expansion and contraction driving device according to the present invention.
Wherein the figures include the following reference numerals:
10. fixing a sleeve; 20. swinging and rotating the sleeve; 30. a first drive mechanism; 40. a second drive mechanism; 50. a limiting component; 51. a limiting bulge; 60. a first connecting sleeve; 70. a second connecting sleeve.
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.
In order to solve the problem of inaccurate angle control of the swing sleeve 20 in the prior art, the utility model provides a belt ply drum expansion and contraction driving device, a belt ply drum and a forming machine.
Referring to fig. 1, a belt expanding and contracting driving device includes an expanding and contracting mechanism, a fixed sleeve 10, a swing sleeve 20, a first driving mechanism 30 and a second driving mechanism 40, wherein the fixed sleeve 10 is in driving connection with the expanding and contracting mechanism; the swing sleeve 20 is in driving connection with the expansion and contraction mechanism and drives the expansion and contraction mechanism to perform telescopic motion together with the fixed sleeve 10; the first driving mechanism 30 is connected with the fixing sleeve 10 to drive the fixing sleeve 10 to rotate; the second driving mechanism 40 is connected to the swing sleeve 20 to drive the swing sleeve 20 to rotate.
The belt ply drum expansion and contraction driving device is mainly applied to driving a belt ply drum to realize expansion movement and rotation, specifically, two driving mechanisms are adopted to respectively drive the fixed sleeve 10 and the swing sleeve 20 to rotate so as to realize expansion and rotation of the belt ply drum, the two driving mechanisms respectively drive the fixed sleeve 10 and the swing sleeve 20, for the fixed sleeve 10 or the swing sleeve 20, the driving path is reduced to reduce the clearance fit error between each transmission link, and further the control precision is increased, the fixed sleeve 10 or the swing sleeve 20 can be accurately controlled to move by controlling the driving mechanisms, so that the movement of the expansion and contraction mechanisms is more accurately controlled, and the problem that the belt ply drum cannot be expanded and contracted in place due to inaccurate angle control of the swing sleeve 20 is solved.
In order to make the whole driving device more compact in structure and occupy less space, in this embodiment, the fixed sleeve 10 is sleeved on the outer side of the swing sleeve 20, and the swing sleeve 20 is rotatably disposed relative to the fixed sleeve 10.
The swinging sleeve 20 has a first position and a second position relative to the fixed sleeve 10, and the belt layer expanding and contracting driving device further comprises a limiting component 50, wherein the limiting component 50 is arranged on the swinging sleeve 20 and/or the fixed sleeve 10 so as to enable the swinging sleeve 20 to rotate between the first position and the second position relative to the fixed sleeve 10 by limiting the rotating position of the swinging sleeve 20 relative to the fixed sleeve 10. The limiting assembly 50 comprises a plurality of limiting bulges 51, the plurality of limiting bulges 51 are arranged at intervals along the circumferential direction of the swinging sleeve 20, a plurality of bar-shaped holes are further arranged along the circumferential direction of the fixed sleeve 10, the plurality of limiting bulges 51 and the plurality of bar-shaped holes are arranged in a one-to-one correspondence manner and are respectively inserted into the corresponding bar-shaped holes, so that when the swinging sleeve 20 rotates relative to the fixed sleeve 10, the limiting bulges rotate along the extension direction of the bar-shaped holes.
Since the swinging sleeve 20 and the fixed sleeve 10 can both rotate, in order to limit the angle of the swinging sleeve 20 and the fixed sleeve 10 relative to the rotating rod, in this embodiment, a limiting component 50 is provided to limit the maximum rotating angle of the swinging sleeve 20 and the fixed sleeve 10, specifically, the swinging sleeve 20 and the fixed sleeve 10 are both in a circular structure, the swinging sleeve 20 is located inside the fixed sleeve 10, a row of limiting holes, namely the strip-shaped holes, are respectively provided at the left end and the right end of the fixed sleeve 10, the row of limiting holes is at least two, the limiting holes extend along the circumferential direction of the fixed sleeve 10, a plurality of limiting protrusions 51 are provided on the swinging sleeve 20, the limiting protrusions 51 are fixed outside the swinging sleeve 20 and pass through the strip-shaped holes, the swinging sleeve 20 can drive the limiting protrusions 51 to move in the strip-shaped holes when rotating, when the limiting protrusions 51 move to any one end of the strip-shaped holes, the swinging sleeve cannot move continuously, this time correspondingly being the first position or the second position.
The belt expansion and contraction driving device further comprises a first connecting sleeve 60, wherein the first connecting sleeve 60 is connected with the fixing sleeve 10, and the first driving mechanism 30 is in driving connection with the first connecting sleeve 60 so as to drive the fixing sleeve 10 to rotate through the first connecting sleeve 60. The belt expansion and contraction driving device further comprises a second connecting sleeve 70, the second connecting sleeve 70 is connected with the swinging sleeve 20, and the second driving mechanism 40 is in driving connection with the second connecting sleeve 70 so as to drive the swinging sleeve 20 to rotate through the second connecting sleeve 70. The first drive mechanism 30 employs a first pulley assembly. The second drive mechanism 40 employs a second conveyor wheel assembly.
As shown in fig. 1, in this embodiment, the driving mechanism and the transmission mechanism for driving the fixed sleeve 10 to move and the driving mechanism and the transmission mechanism for driving the swing sleeve 20 to move are completely independent and do not interfere with each other, and in order to realize the rotation of the fixed sleeve 10 and the swing sleeve 20, the first driving mechanism 30 and the second driving mechanism 40 are respectively driven by gears and conveyor belts, specifically, the first conveyor belt drives the first gear to rotate, the first gear is in driving connection with the first connection sleeve 60, and drives the fixed sleeve 10 to rotate through the first connection sleeve 60; the other second conveyor belt drives the second gear to rotate and drives the swinging sleeve 20 to rotate through the second connecting sleeve 70.
A belt ply drum comprises an expansion and contraction mechanism and a belt ply expansion and contraction driving device, wherein the belt ply expansion and contraction driving device is in driving connection with the expansion and contraction mechanism to drive the expansion and contraction mechanism to perform telescopic motion, and the belt ply expansion and contraction driving device is the belt ply expansion and contraction driving device.
The belt drum of the utility model adopts the belt drum expansion and contraction driving device to be combined with the existing expansion and contraction mechanism, the expansion and contraction position of the belt drum is controlled, and the control precision is improved by respectively driving and reducing the prevention of a transmission path and a gap.
The utility model also provides a forming machine which comprises the belt ply drum.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the belt ply drum expansion and contraction driving device disclosed by the utility model is characterized in that the rotation and expansion and contraction of the drum are realized by respectively driving the fixed sleeve and the swing sleeve by adopting the two belt wheels, so that the angle controllability of the swing sleeve is improved, and the accurate control on the diameter of the drum is realized, and the belt ply drum expansion and contraction driving device specifically comprises the following components:
synchronous belt wheels in the first driving mechanism of the driving device are connected with the fixed sleeve through the first connecting sleeve, synchronous belt wheels in the second driving mechanism are connected with the swing sleeve through at least one second connecting sleeve in the circumferential direction, at least part of the synchronous belt wheels on the first connecting sleeve is sleeved in the second connecting sleeve, the first connecting sleeve and the second connecting sleeve are supported through a bearing, and the fixed sleeve and the swing sleeve are supported through a bearing.
When the first driving mechanism does not rotate, the fixed sleeve is fixed, and the second driving mechanism rotates to drive the swinging sleeve to rotate, so that the diameter of the belt ply drum is changed, and the purpose of controlling the expansion and contraction of the belt ply drum is achieved.
The second driving mechanism of the first driving mechanism is driven by a synchronous belt wheel, and the number of teeth of the synchronous belt wheel can be changed according to requirements.
According to a specific embodiment, the angle variation value between the swinging sleeve and the fixed sleeve is less than 360/n (n is the number of the circumferential connecting components).
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 forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
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.
Claims (10)
1. A belt expansion and contraction driving device is characterized by comprising:
an expansion and contraction mechanism;
the fixing sleeve (10), the said fixing sleeve (10) is connected with said collapsible mechanism drive;
the swing sleeve (20) is in driving connection with the expansion and contraction mechanism, and drives the expansion and contraction mechanism to perform telescopic motion together with the fixed sleeve (10);
the first driving mechanism (30), the first driving mechanism (30) is connected with the fixing sleeve (10) to drive the fixing sleeve (10) to rotate;
the second driving mechanism (40), the second driving mechanism (40) is connected with the swinging sleeve (20) to drive the swinging sleeve (20) to rotate.
2. Belt expansion and contraction drive device according to claim 1, wherein the fixed sleeve (10) is sleeved on the outer side of the rotating sleeve (20), and the rotating sleeve (20) is rotatably disposed relative to the fixed sleeve (10).
3. Belt expansion and contraction drive according to claim 2, characterized in that said oscillating sleeve (20) has a first position and a second position with respect to said fixed sleeve (10), said belt expansion and contraction drive further comprising:
the limiting assembly (50) is arranged on the swinging sleeve (20) and/or the fixed sleeve (10), so that the swinging sleeve (20) rotates between the first position and the second position relative to the fixed sleeve (10) by limiting the rotating position of the swinging sleeve (20) relative to the fixed sleeve (10).
4. Belt expansion and contraction driving device according to claim 3, wherein the limiting component (50) comprises a plurality of limiting protrusions (51), the limiting protrusions (51) are arranged at intervals along the circumferential direction of the rotating sleeve (20), a plurality of strip-shaped holes are further arranged along the circumferential direction of the fixed sleeve (10), the limiting protrusions (51) and the strip-shaped holes are arranged in a one-to-one correspondence, and are respectively inserted into the corresponding strip-shaped holes, so that when the rotating sleeve (20) rotates relative to the fixed sleeve (10), the limiting protrusions (51) rotate along the extending direction of the strip-shaped holes.
5. The belt expansion and contraction drive device according to claim 1, further comprising:
the first connecting sleeve (60) is connected with the fixed sleeve (10), wherein the first driving mechanism (30) is in driving connection with the first connecting sleeve (60) so as to drive the fixed sleeve (10) to rotate through the first connecting sleeve (60).
6. The belt expansion and contraction drive device according to claim 1, further comprising:
the second connecting sleeve (70), the second connecting sleeve (70) with the pendulum changes set (20) and is connected, wherein, second actuating mechanism (40) with second connecting sleeve (70) drive connection, in order to pass through second connecting sleeve (70) drive pendulum changes set (20) and rotates.
7. Belt expansion and contraction drive according to claim 1, characterized in that the first drive mechanism (30) employs a first belt pulley assembly.
8. Belt expansion and contraction drive according to claim 1, characterized in that the second drive means (40) is a second pulley assembly.
9. A belt drum, comprising an expansion and contraction mechanism and a belt expansion and contraction driving device, wherein the belt expansion and contraction driving device is in driving connection with the expansion and contraction mechanism to drive the expansion and contraction mechanism to perform telescopic motion, and the belt expansion and contraction driving device is the belt expansion and contraction driving device as claimed in any one of claims 1 to 8.
10. A building machine comprising a belt drum, characterized in that the belt drum is a belt drum as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123222759.9U CN216506868U (en) | 2021-12-20 | 2021-12-20 | Belt ply drum expansion and contraction driving device, belt ply drum and forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123222759.9U CN216506868U (en) | 2021-12-20 | 2021-12-20 | Belt ply drum expansion and contraction driving device, belt ply drum and forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216506868U true CN216506868U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123222759.9U Active CN216506868U (en) | 2021-12-20 | 2021-12-20 | Belt ply drum expansion and contraction driving device, belt ply drum and forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216506868U (en) |
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2021
- 2021-12-20 CN CN202123222759.9U patent/CN216506868U/en active Active
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