Mechanical drum suspension turn-up molding structure

Abstract

The present invention provides a mechanical drum suspension turn-up forming structure, which includes a main shaft assembly and a rear pressure wheel, the rear pressure wheel being installed opposite to the main shaft assembly, the mechanical drum suspension turn-up forming structure further includes a lock ring assembly installed on the main shaft assembly and two turn-up assemblies symmetrically installed on both sides of the lock ring assembly, the turn-up assembly includes a turn-up structure, a support plate and a first drive assembly, the turn-up structures are multiple, the multiple turn-up structures are installed at intervals in the circumferential direction of the main shaft assembly, and the turn-up structure has a support position and a retreat position, the support plates are multiple, the multiple support plates correspond to the multiple turn-up structures respectively, the support plate is installed on the corresponding turn-up structure, the first drive assembly is installed on the main shaft assembly, and the first drive assembly is drivingly connected to the multiple turn-up structures. The present invention solves the problem of high cost of the suspension turn-up forming process of the bladder drum used in the suspension turn-up forming of the sidewall of the tire in the prior art.

Description

[Technical field]

[0001] This invention claims priority to a Chinese patent application filed with the China Patent Office on September 18, 2021, bearing application number 202111101160.1, and titled "Mechanical drum suspension turn-up molding structure."

[0002] The present invention relates to the technical field of tire processing, and in particular to a mechanical drum suspension turn-up molding structure. [Background technology]

[0003] Currently, capsule drums are used for all tire side suspension turn-up molding, but capsule drums have problems such as cumbersome capsule replacement, high capsule costs, and inferior tire mouth molding quality compared to mechanical drums. Conventional mechanical drums have dents on the side of the tire due to rolling, and there are indentations on the turn-up side of the turn-up, resulting in the "red sun" phenomenon in the finished tire. In addition, when using capsule drums to perform suspension turn-up, there are problems such as cumbersome capsule replacement, high capsule costs, and inferior tire mouth molding quality compared to mechanical drums.

[0004] Therefore, the prior art has a problem that the cost of the suspension turn-up process of the capsule drum used in the suspension turn-up molding is high. Summary of the Invention [Problem to be solved by the invention]

[0005] The main objective of the present invention is to provide a drum suspension turn-up molding that solves the problem of the high cost of the suspension turn-up process of capsule drums used in the drum suspension turn-up molding in the prior art. [Means for solving the problem]

[0006] In one embodiment of the present invention, a mechanical drum suspension turn-up forming structure is provided, the mechanical drum suspension turn-up forming structure includes a main shaft assembly and a rear pressure wheel, the rear pressure wheel is installed opposite to the main shaft assembly, the mechanical drum suspension turn-up forming structure further includes a lock ring assembly installed on the main shaft assembly and two turn-up assemblies symmetrically installed on both sides of the lock ring assembly, the turn-up assembly includes a turn-up structure, a support plate, and a first drive assembly, the turn-up structure is multiple, the multiple turn-up structures are installed at intervals in the circumferential direction of the main shaft assembly, the turn-up structure has a support position and a retreat position, the support plate is multiple a number of support plates respectively corresponding to the plurality of turn-up structures to provide a support platform for the tire sidewall during the process of the turn-up structure moving from the retracted position to the support position, the support plates are mounted on the corresponding turn-up structures, a first drive assembly is mounted on the spindle assembly, and the first drive assembly is drivingly connected to the plurality of turn-up structures, and during the process of the turn-up structure moving from the support position to the retracted position, the suspension arm of the rear compression vehicle gets between the tire sidewall and the turn-up structure and drives the tire sidewall to move in a direction away from the turn-up structure.

[0007] In one alternative embodiment, the turn-up structure includes a turn-up link, the turn-up link drivingly connected to the first drive assembly, and a support plate mounted on the turn-up link.

[0008] In one alternative embodiment, the system further comprises a position limiting assembly mounted to the turn-up structure or the spindle assembly and abutting the turn-up structure such that the turn-up structure abuts the sidewall of the tire.

[0009] In one alternative embodiment, both ends of the support plate are connected to a side away from the first link and the second link, and to a side away from the third link and the second link, respectively.

[0010] In one alternative embodiment, the turn-up link is coupled to an end of the first drive assembly proximate the lock ring assembly.

[0011] In one alternative embodiment, at least one drum is mounted on the support plate, the drum being rotatably mounted on the support plate.

[0012] In one alternative embodiment, the system further comprises a position limiting assembly mounted to the turn-up structure or the spindle assembly and abutting the turn-up structure such that the turn-up structure abuts the sidewall of the tire.

[0013] In one optional embodiment, the position limiting assembly includes a second drive assembly and a position limiting portion, the second drive assembly is installed on the turn-up structure or the main shaft assembly, the position limiting portions are multiple, the multiple position limiting portions respectively correspond to the multiple turn-up structures, the second drive assembly is drivingly connected to one end of each of the multiple position limiting portions, and the other end of the position limiting portion abuts against a turn-up link of the turn-up structure, and the second drive assembly can drive the position limiting portion to move toward or away from the lock ring assembly so that the turn-up link abuts against a sidewall of the tire.

[0014] In one optional embodiment, the position limiting assembly includes at least one rubber ring, and the support plate is provided with at least one accommodation groove that fits with the rubber ring, and the rubber ring is respectively fitted into each accommodation groove of the support plate.

[0015] In one alternative embodiment, the turn-up structures are equally spaced apart.

[0016] In the application of the technical solution of the present invention, the mechanical drum suspension turn-up forming structure in the present invention comprises a main shaft assembly and a rear pressure wheel, the rear pressure wheel is installed opposite to the main shaft assembly, the mechanical drum suspension turn-up forming structure further comprises a lock ring assembly and a turn-up assembly installed on the main shaft assembly, the number of turn-up assemblies is two, the two turn-up assemblies are installed symmetrically on both sides of the lock ring assembly, the turn-up assembly comprises a turn-up structure, a support plate, and a first drive assembly. The turn-up structures are multiple, the multiple turn-up structures are installed at intervals in the circumferential direction of the main shaft assembly, and the turn-up structures have a support position and a retracted position, the support plates are multiple, the multiple support plates respectively correspond to the multiple turn-up structures so as to provide a support platform for the sidewall of the tire during the process of the turn-up structures moving from the retracted position to the support position, and the support plate is installed on the corresponding turn-up structure. The first drive assembly is installed on the main shaft assembly, and the first drive assembly is drivingly connected to the multiple turn-up structures. As the turn-up structure moves from the support position to the retracted position, the suspension arm of the rear compression vehicle gets between the tire sidewall and the turn-up structure, driving the tire sidewall to move in a direction away from the turn-up structure.

[0017] When the mechanical drum suspension turn-up molding structure is used, since it is provided with a turn-up assembly, the sidewall of the tire can be turned up by the turn-up structure of the turn-up assembly, and in the process of the first driving assembly driving the turn-up structure to move from the retreat position to the support position, the support plate of the turn-up assembly can provide a support platform for the sidewall of the tire that has not been turned up, thereby preventing the sidewall of the tire from being bent. Then, after the turn-up structure moves to the support position, the turn-up structure completes the turn-up of the sidewall of the tire and moves from the support position to the retreat position, and after the turn-up structure leaves the support position, the suspension arm of the rear compression vehicle can enter between the sidewall of the tire that has not been turned up and the turn-up structure to continue turning up the sidewall of the tire. Therefore, when the mechanical drum suspension turn-up molding structure of the present invention is used, it is not necessary to frequently replace the capsule, and the cost and time for replacing the capsule can be saved. Therefore, the mechanical suspension turn-up molding structure of the present invention effectively solves the problem of high cost of the capsule drum suspension turn-up process used in the suspension turn-up molding of tire sidewalls in the prior art. Effect of the Invention

[0018] From the above description, it can be seen that the above-mentioned embodiment of the present invention has a technical effect that the capsule does not need to be frequently replaced when using the mechanical suspension turn-up molding structure of the present invention, thereby saving the cost and time of replacing the capsule. Therefore, the mechanical suspension turn-up molding structure of the present invention effectively solves the problem of the high cost of the suspension turn-up process of the capsule drum used in the suspension turn-up molding of the tire sidewall in the prior art.

[0019] The specification drawings which form a part of the present invention are intended to provide a further understanding of the present invention, and the exemplary embodiments of the present invention and their explanations are intended to interpret the present invention and are not intended to unduly limit the present invention. [Brief description of the drawings]

[0020] [Figure 1] FIG. 2 is a schematic diagram showing a mechanical suspension turn-up forming structure according to a specific embodiment of the present invention. [Diagram 2] 2 is a schematic diagram showing the mechanical suspension turn-up forming structure in FIG. 1 when it is in a retracted position. FIG. [Diagram 3] FIG. 2 is a schematic diagram showing the mechanical suspension turn-up forming structure in FIG. 1 when it is in a supporting position. [Figure 4] 4 is a schematic diagram showing the structure when the mechanical suspension turn-up forming structure in FIG. 3 moves from a support position to a retreat position. FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0021] It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without contradiction.The present invention will be described in detail below in conjunction with the embodiments with reference to the drawings.

[0022] Unless otherwise specified, 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 invention belongs.

[0023] In the present invention, unless otherwise stated to the contrary, the directional terms used are "up, down, top, bottom" generally relative to the direction shown in the drawings, or relative to the plumb, normal, or gravitational direction of the member itself. Similarly, for ease of understanding and explanation, "inside, outside" means inside and outside the contour of each member itself, but the above directional terms are not intended to be limiting of the present invention.

[0024] In order to solve the problem of high cost of capsule drum suspension turn-up process used in drum suspension turn-up molding in the prior art, the present invention provides a mechanical suspension turn-up molding structure.

[0025] As shown in FIG. 1 to FIG. 4, the mechanical drum suspension turn-up forming structure of the present invention includes a main shaft assembly 10 and a rear compression wheel 20, the rear compression wheel 20 is installed opposite the main shaft assembly 10, the mechanical drum suspension turn-up forming structure further includes a lock ring assembly 30 installed on the main shaft assembly 10 and two turn-up assemblies 40 symmetrically installed on both sides of the lock ring assembly 30, the turn-up assembly 40 includes a turn-up structure 41, a support plate 42, and a first drive assembly 43, the turn-up structures 41 are multiple, the multiple turn-up structures 41 are installed at intervals in the circumferential direction of the main shaft assembly 10, and the turn-up structure 41 has a support position and a retreat position, There are multiple support plates 42, and the multiple support plates 42 correspond to the multiple front turn-up structures 41 respectively so as to provide a platform for the tire sidewall during the process of the turn-up structure 41 moving from the retracted position to the support position, and the support plates are installed on the corresponding turn-up structures 41, and a first drive assembly 43 is installed on the main shaft assembly 10, and the first drive assembly 43 is drivingly connected to the multiple turn-up structures 41, and during the process of the turn-up structure 41 moving from the support position to the retracted position, the suspension arm 21 of the rear compression vehicle 20 can get between the tire sidewall and the turn-up structure 41 and drive the tire sidewall to move in a direction away from the turn-up structure 41.

[0026] When the mechanical drum suspension turn-up molding structure configured as above is used, since it is provided with the turn-up assembly 40, the sidewall of the tire can be turned up by the turn-up structure 41 of the turn-up assembly 40, and in the process in which the first driving assembly 43 drives the turn-up structure 41 to move from the retreat position to the support position, the support plate 42 of the turn-up assembly 40 can provide a support platform for the sidewall of the tire that has not been turned up, thereby preventing the sidewall of the tire from being bent. Then, after the turn-up structure 41 moves to the support position, the turn-up structure 41 completes the turn-up of the sidewall of the tire and moves from the support position to the retreat position, and after the turn-up structure 41 leaves the support position, the suspension arm 21 of the rear compression vehicle 20 can enter between the sidewall of the tire that has not been turned up and the turn-up structure 41, and continue to turn up the sidewall of the tire. Therefore, when the mechanical drum suspension turn-up molding structure of the present invention is used, it is not necessary to frequently replace the capsule, and the cost and time for replacing the capsule can be saved. Therefore, the mechanical suspension turn-up molding structure of the present invention effectively solves the problem of high cost of the capsule drum suspension turn-up process used in the suspension turn-up molding of tire sidewalls in the prior art.

[0027] In the present application, the rear platen 20 may be mounted on the molding machine or on the floor.

[0028] Specifically, the turn-up structure 41 includes a turn-up link 411 that is drivingly connected to the first driving assembly 43, and the support plate 42 is installed on the turn-up link 411. That is, in the present invention, the first driving assembly 43 drives the turn-up link 411 to switch between the support position and the retracted position. Then, in the process in which the first driving assembly 43 drives the turn-up link 411, the turn-up link 411 abuts against the tire sidewall to realize the turn-up of the tire sidewall, and the turn-up link 411 drives the support plate 42 to move together, so that the part of the tire sidewall that is not turned up can be connected to the support plate 42 and does not fall under the action of gravity, and the surface of the turned-up tire sidewall becomes flatter.

[0029] In one embodiment of the present invention, the turn-up link 411 includes a first link 4111, a second link 4112, and a third link 4113, the first link 4111 and the third link 4113 are movably connected to both sides of the second link 4112 in the longitudinal direction, the first link 4111 and the third link 4113 are rotatable relative to the second link 4112, one end of the second link 4112 close to the third link 4113 is drivingly connected to the first drive assembly 43, and one end of the first link 4111 remote from the second link 4112 abuts against the sidewall or the lock ring assembly 30. The two ends of the support plate 42 are connected to the side where the first link 4111 is remote from the second link 4112 and the side where the third link 4113 is remote from the second link 4112, respectively. In this way, since both ends of the support plate 42 are connected to the first link 4111 and the third link 4113, respectively, the stability of the support plate 42 can be effectively ensured in the process of the turn-up link 411 driving the support plate 42 to move together, and the support plate 42 can be prevented from being skewed. At the same time, in this embodiment, when the first driving assembly 43 drives the turn-up link 411, the first driving assembly 43 actually drives the second link 4112 to move, and one end of the first link 4111 that is separated from the second link 4112 abuts against the sidewall or the lock ring assembly 30, so that when the second link 4112 moves, the second link 4112 drives the first link 4111 and the third link 4113 to move together, thereby driving the support plate 42 to move.

[0030] Specifically, the turn-up link 411 is connected to one end side of the first drive assembly 43 that is close to the lock ring assembly 30. In this way, the overall length of the turn-up link 411 can be effectively reduced, and in the process of turning the turn-up link 411 up onto the tire sidewall, a large angle of turn-up can be achieved, and the angle between the turn-up link 411 and the spindle assembly 10 can be increased, and the angle between the turn-up link 411 and the tire can be decreased. The axial component force between the turn-up link 411 and the tire sidewall can be reduced, and the indentation of the sidewall can be effectively alleviated.

[0031] Specifically, at least one drum is installed on the support plate 42, and the drum is rotatably installed on the support plate 42. In this manner, it is possible to ensure that, in the process in which the turn-up link 411 turns up the sidewall of the tire, the sidewall that is not hung over the support plate 42 slides on the support plate 42 as the turn-up link 411 moves, and is turned up by the turn-up link 411. Therefore, by installing the drum on the support plate 42, it is possible to make the sidewall of the tire that has not been turned up slide more smoothly on the support plate 42.

[0032] In one embodiment of the present invention, two drums are installed on each support plate 42, and two drum intervals are provided. Of course, the number of drums may be adjusted according to the actual usage situation.

[0033] It should be noted that in the present invention, the mechanical drum suspension turn-up forming structure further includes a position limiting assembly 50 that is installed on the turn-up structure 41 or the spindle assembly 10 and abuts against the turn-up structure 41 so that the turn-up structure 41 abuts against the tire sidewall. In the present invention, when the turn-up structure 41 moves from the retracted position to the support position to turn up the tire sidewall, the turn-up link 411 needs to abut against the turn-up at all times. Therefore, by providing the position limiting member 50, the position limiting assembly 50 can abut against the turn-up structure 41 to ensure the pressing force of the position limiting assembly 50 against the turn-up structure 41, and the turn-up link 411 of the turn-up structure 41 can abut against the side hold. That is, the present invention aims to make it possible to move the turn-up structure 41 in a preset direction so as not to deviate from the preset moving direction.

[0034] In one specific embodiment of the present invention, the position limiting assembly 50 includes a second drive assembly 51 and a position limiting portion 52, and the second drive assembly 51 is provided on the turn-up structure 41 or the spindle assembly 10. The position limiting portions 52 are multiple, and each of the multiple position limiting portions 52 corresponds to each of the multiple turn-up structures 41. The second drive assembly 51 is drivingly connected to one end of each of the multiple position limiting portions 52, and the other end of the position limiting portion 52 abuts against the turn-up link 411 of the turn-up structure 41. The second drive assembly 51 can move the position limiting portion 52 in a direction approaching the lock ring assembly 30 or away from the lock ring assembly 30 so that the turn-up link 411 abuts against the sidewall.

[0035] In an embodiment of the present application not shown, the position limiting assembly 50 includes at least one rubber ring, and the support plate 42 is provided with an accommodation groove that engages with the at least one rubber ring, and the rubber ring is fitted into the accommodation groove of each support plate 42. In the present invention, the support plates 42 are installed along the circumferential direction of the spindle assembly 10, so that each rubber ring can be fitted into all of the support plates 42.

[0036] Specifically, a plurality of turn-up structures 41 are provided at equal intervals. In this way, in the process of the turn-up structure 41 turning up the sidewall, it is ensured that the force of the sidewall is more uniform, and the turn-up effect can be secured.

[0037] It should be noted that the terms "first," "second," and the like in the present specification, claims, and drawings are intended to distinguish between similar objects and are not intended to describe a particular sequence or order. It should be understood that the data so used may be interchangeable where appropriate such that the embodiments of the invention described herein may be practiced in sequences other than those illustrated or described herein.

[0038] The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Those skilled in the art can make various modifications and changes to the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention. [Explanation of symbols]

[0039] 10 Spindle Assembly 20 Rear pressure car 21 Suspension arm 30 Lock ring assembly 40 Turn-up Assembly 41 Turn-up structure 411 Turn Uplink 4111 First Link 4112 Second Link 4113 Third Link 42 Support plate 43 First Drive Assembly 50 Position Limit Assembly 51 Second Drive Assembly 52 Position restriction section

Claims

1. A mechanical drum suspension turn-up molding structure, comprising: The mechanical drum suspension turn-up forming structure includes a main shaft assembly (10) and a rear pressure wheel (20), the rear pressure wheel (20) being installed opposite the main shaft assembly (10), and the mechanical drum suspension turn-up forming structure further includes a lock ring assembly (30) installed on the main shaft assembly (10) and two turn-up assemblies (40) symmetrically installed on both sides of the lock ring assembly (30), The turn-up assembly (40) comprises a turn-up structure (41), a support plate (42), and a first drive assembly (43), the turn-up structures (41) are multiple, the multiple turn-up structures (41) are installed at intervals in the circumferential direction of the main shaft assembly (10), and the turn-up structure (41) has a support position and a retracted position, the support plates (42) are multiple, and the support plates (42) correspond to the multiple turn-up structures (41), respectively, so as to provide a platform for a sidewall of a tire during the process in which the turn-up structure (41) moves from the retracted position to the support position, The support plate (42) is installed on the corresponding turn-up structure (41), the first drive assembly (43) is installed on the main shaft assembly (10), the first drive assembly (43) is drivingly connected to a plurality of the turn-up structures (41), and during the process of the turn-up structure (41) moving from the support position to the retracted position, the suspension arm (21) of the rear compression vehicle (20) can enter between the tire sidewall and the turn-up structure (41) and drive the tire sidewall to move in a direction away from the turn-up structure (41).

2. The mechanical drum suspension turn-up forming structure of claim 1, characterized in that the turn-up structure (41) comprises a turn-up link (411), the turn-up link (411) is drivingly connected to the first drive assembly (43), and the support plate (42) is installed on the turn-up link (411).

3. The mechanical drum suspension turn-up molding structure of claim 2, characterized in that the turn-up link (411) comprises a first link (4111), a second link (4112), and a third link (4113), the first link (4111) and the third link (4113) are movably connected to both sides of the longitudinal direction of the second link (4112), the first link (4111) and the third link (4113) are rotatable relative to the second link (4112), one end of the second link (4112) adjacent to the third link (4113) is drivingly connected to the first drive assembly (43), and one end of the first link (4111) away from the second link (4112) abuts against the sidewall of the tire or the lock ring assembly (30).

4. The mechanical drum suspension turn-up forming structure of claim 3, characterized in that both ends of the support plate (42) are connected to one side of the first link (4111) away from the second link (4112) and one side of the third link (4113) away from the second link (4112), respectively.

5. The mechanical drum suspension turn-up forming structure of claim 2, wherein the turn-up link (411) is connected to one end of the first drive assembly (43) adjacent to the lock ring assembly (30).

6. 2. The mechanical drum suspension turn-up forming structure according to claim 1, wherein at least one drum is mounted on the support plate (42), and the drum is rotatably mounted on the support plate (42).

7. 7. The mechanical drum suspension turn-up molding structure of claim 1, 3, 4, 5, or 6, further comprising a position limiting assembly (50) mounted on the turn-up structure (41) or the main shaft assembly (10) and abutting the turn-up structure (41) so that the turn-up structure (41) abuts against the sidewall of the tire.

8. The mechanical drum suspension turn-up molding structure of claim 2, characterized in that the mechanical drum suspension turn-up structure further comprises a position limiting assembly (50) mounted on the turn-up structure (41) or the spindle assembly (10) and abutting the turn-up structure (41) so that the turn-up structure (41) abuts against the sidewall of the tire.

9. 9. The mechanical drum suspension turn-up molding structure of claim 8, characterized in that the position limiting assembly (50) comprises a second drive assembly (51) and a position limiting portion (52), the second drive assembly (51) is installed on the turn-up structure (41) or the main shaft assembly (10), the position limiting portion (52) is multiple, the multiple position limiting portions (52) correspond to the multiple turn-up structures (41), the second drive assembly (51) is drivingly connected to one end of each of the multiple position limiting portions (52), and the other end of the position limiting portion (52) abuts against the turn-up link (411) of the turn-up structure (41), and the second drive assembly (51) can drive the position limiting portion (52) to move toward the lock ring assembly (30) or away from the lock ring assembly (30) so that the turn-up link (411) abuts against a sidewall of the tire.

10. The mechanical drum suspension turn-up molding structure according to claim 7 or 8, characterized in that the position limiting assembly (50) comprises at least one rubber ring, the support plate (42) is provided with at least one accommodation groove that fits with the rubber ring, and the rubber ring is respectively fitted into each of the accommodation grooves of the support plate (42).

11. The mechanical drum suspension turn-up forming structure according to any one of claims 1 to 6, characterized in that the turn-up structures (41) are arranged at equal intervals.

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