Method and device for adjusting the axial dimension of a drum assembly, and forming drum

Abstract

The present invention provides a method and device for adjusting the axial dimension of an intermediate drum assembly, and a forming drum. The device for adjusting the axial dimension of an intermediate drum assembly includes a first intermediate drum block, a second intermediate drum block, and an intermediate intermediate drum block located between the first and second intermediate drum blocks. The method for adjusting the axial dimension of an intermediate drum assembly includes the steps of: moving at least one of the first and second intermediate drum blocks in a direction approaching each other, the first, second, and intermediate intermediate drum blocks crossing each other to contract, and shortening the length of the intermediate drum assembly; and moving at least one of the first and second intermediate drum blocks in a direction away from each other, the first, second, and intermediate intermediate drum blocks crossing each other to extend, and lengthening the length of the intermediate drum assembly. According to the present invention, the problem of reduced production efficiency caused by frequent replacement of tooth block is solved.

Description

[Technical field]

[0001] The present invention was filed with the China Patent Office on December 31, 2020, with application number 202011638935.4, and the invention title is D This application claims priority to a Chinese patent application entitled "Method and device for adjusting the axial dimension of a ram assembly, and a forming drum."

[0002] Technical Field The present invention relates to the technical field of tire processing, in particular D The present invention relates to a method and device for adjusting the axial dimension of a ram assembly, and a forming drum. [Background technology]

[0003] The cross tooth block structure of the conventional forming drum is composed of two parts: a left tooth block and a right tooth block. Because the length range covered by one set of tooth blocks is small, when changing tire specifications, the length of the tooth block needs to be changed constantly to process different specifications, and frequent replacement of tooth blocks reduces processing efficiency and is disadvantageous to continuous production. Among the conventional technical solutions, there is a method of using quick-change tooth blocks as a way to increase the replacement speed, but this method only increases the replacement speed and does not solve the problem of replacement frequency, so the effect of improving efficiency is limited. Summary of the Invention [Problem to be solved by the invention]

[0004] The main object of the present invention is to solve the problem of the frequent replacement of the tooth profile block in the prior art, which leads to a decrease in productivity, by: D A method and device for adjusting the axial dimension of a ram assembly, and a forming drum. [Means for solving the problem]

[0005] In order to achieve the above object, according to one optional embodiment of the present invention, D A method for adjusting the axial dimension of a ram assembly is provided. D The axial dimension adjustment device of the ram assembly includes a first D Ram block and second D Ram block and the first D Ram block and second D Intermediate between the ram block D A ram block; D The method for adjusting the axial dimension of the ram assembly includes: D Ram block and second D At least one of the ram block and the first block moves toward each other. D Ram block and second D Ram block and intermediate D the ram blocks contract across one another to shorten the length of the drum assembly; and D Ram block and second D At least one of the ram block and the first block moves away from each other. D Ram block and second D Ram block and intermediate D Ram blocks are blocks that extend across each other and D and increasing the length of the ram assembly.

[0006] In one alternative embodiment, the first D Ram block and second D What is a Ram Block? D A telescopic portion extending in the axial direction of the ram assembly, D Ram block and second D When at least one of the ram block and the first block moves toward each other, D Ram block extension and intermediate D Ram block is a second D The second drum block is inserted into the gap between the two telescopic parts of the ram block, and the telescopic part of the second drum block and the intermediate drum block are connected to the first D It fits into the gap between the two telescopic parts of the ram block.

[0007] In one alternative embodiment, the first D The extension and retraction parts of the ram block and the intermediate D Ram block and second D The expansion and contraction parts of the ram block are all multiple, and the three are D They are alternately arranged along the circumferential direction of the ram assembly.

[0008] In one alternative embodiment, the first D Ram block and second D When at least one of the ram block and the first block moves toward each other, D One telescopic part and one intermediate part of the ram block D Ram block is a second D It fits into the gap between the two telescopic sections adjacent to the ram block and the second D One telescopic part and one intermediate part of the ram block D Ram block is the first D It fits into the gap between the two telescopic sections adjacent to the ram block.

[0009] In one alternative embodiment, the first D Ram block and second D The ram block further includes an end portion, the end portion is connected to the telescopic portion, and the first portion is moved by driving the end portion. D The extension and retraction parts of the ram block and the intermediate D Ram block and second D The telescopic portions of the ram block cross each other to contract or extend.

[0010] According to an alternative embodiment of the present invention, D An adjustment for the axial dimension of the ram assembly is provided. D The axial dimension adjustment device of the ram assembly includes a first D Ram block and second D Ram block and intermediate D A ram block and an intermediate D The ram block is the first D Ram block and second D Located between the ram block and the first D Ram block and intermediate D Ram block and second D A ram block is a block that expands and contracts to match the first D Ram block and second D The ram blocks contract or expand when approaching or moving away from each other, crossing each other. D Shorten or lengthen the length of the ram assembly.

[0011] In one alternative embodiment, the first D Ram block and second D What is a Ram Block? D A plurality of telescopic parts extending in the axial direction of the ram assembly; and a first D The extension and retraction parts of the ram block and the intermediate D Ram block and second D The ram block is matched to the telescopic portion so that they cross each other and telescopically match.

[0012] In one alternative embodiment, the first D The extension and retraction parts of the ram block and the intermediate D Ram block and second D The expansion and contraction parts of the ram block are all multiple, and the three are D They are alternately arranged along the circumferential direction of the ram assembly.

[0013] In one alternative embodiment, the first D Ram block or second D A gap is formed between the two telescopic parts adjacent to the ram block, and the first D One telescopic part and one intermediate part of the ram block D Ram block is a second D It fits into the gap between the two telescopic sections adjacent to the ram block and the second D One telescopic part and one intermediate part of the ram block D Ram block is the first D It can fit into the gap between the two telescopic sections adjacent to the ram block.

[0014] In one alternative embodiment, the first D Ram block and second D What is a Ram Block? D The ram assembly further includes a circumferentially extending end portion, the telescopic portion being coupled to the end portion and moving synchronously therewith.

[0015] In one alternative embodiment, D The ram assembly axial dimension adjustment device further includes a radial drive assembly. D Ram block and second D Ram block and intermediate D At least one of the ram block and the ram block is connected to a radial drive assembly and is driven by the radial drive assembly. D It can move radially along the ram assembly.

[0016] According to an alternative embodiment of the present invention, a forming drum is provided. D A device for adjusting the axial dimension of the ram assembly is provided.

[0017] In the application of the technical solution of the present invention, the first intermediate D Ram block and second intermediate D Between the ram block D With the ram block installed, D When adjusting the axial dimension of the ram assembly, the first intermediate D Ram block and second intermediate D In the process in which at least one of the ram block and the first block moves toward or away from each other, D Ram block and second D Ram block and intermediate D The ram blocks cross and contract or extend, D The length of the ram assembly can be shortened or lengthened. D The ram assembly can be extended and retracted three times. D The axial adjustable dimension range of the ram structure is larger than DThe coverage of the ram assembly is expanded, the number of times the tooth block needs to be replaced can be reduced, and production efficiency can be significantly improved. Effect of the Invention

[0018] From the above description, it can be seen that the above-described embodiment of the present invention provides the following technical effects.

[0019] 1. The problem of reduced production efficiency caused by frequent replacement of tooth profile blocks in the prior art is solved.

[0020] 2. D The ram assembly achieves triple extension and contraction. D The ram structure has a larger adjustable axial range, D Expanded coverage of the ram assembly D By increasing the maximum dimension of the ram assembly, the number of times the toothed block needs to be replaced can be reduced, significantly improving production efficiency.

[0021] 3. D The axial dimension of the ram assembly is D It can be scaled to a very small size without affecting the minimum dimensions of the ram assembly. [Brief description of the drawings]

[0022] The specification and drawings constituting a part of this application are intended to provide a further understanding of the application, and the exemplary embodiments and their explanations are intended to interpret the application and are not intended to unduly limit the application.

[0023] [Figure 1] 1 is a schematic diagram showing an axial dimension adjustment device of a drum assembly according to the present invention; [Diagram 2] FIG. 2 is a schematic diagram showing a configuration in which the adjustment device of FIG. 1 is applied to a forming drum. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0024] 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.

[0025] In order to solve the problem that frequent replacement of tooth profile blocks in the prior art leads to reduced productivity, the present invention provides: D The present invention provides a method and device for adjusting the axial dimension of a ram assembly, and a forming drum. D It has an adjustment device for the axial dimension of the ram assembly.

[0026] In this embodiment, D A method for adjusting an axial dimension of a ram assembly, comprising: D The axial dimension adjustment device of the ram assembly includes a first D Ram block 10 and second D Ram block 20 and the first D Ram block 10 and second D Intermediate between ram block 20 D A ram block 30; D The method for adjusting the axial dimension of the ram assembly includes: D Ram block 10 and second D At least one of the ram block 20 and the first ram block 21 moves toward each other. D Ram block 10 and second D Ram Block 20 and Intermediate D The ram block 30 and the ram block 31 cross each other and contract, D shortening the length of the ram assembly; D Ram block and second D At least one of the ram block and the first block moves away from each other. D Ram block 10 and second D Ram Block 20 and Intermediate D The ram block 30 and the ram block 31 extend crossing each other, D and increasing the length of the ram assembly.

[0027] In this embodiment, the first intermediate D Ram block 10 and 2nd intermediate D Between ram block 20 D By installing Ram Block 30, D When adjusting the axial dimension of the ram assembly, the first intermediate D Ram block 10 and 2nd intermediate D In the process in which at least one of the ram block 20 and the first intermediate D Ram block 10 and the second intermediate D Ram block 20 and intermediate D The ram block 30 and the ram block 31 intersect and contract or extend, D The length of the ram assembly can be made shorter or longer. D The triple telescopic movement of the ram assembly can be achieved, which is larger than the axial adjustable dimensional range of the drum structure. D The coverage of the ram assembly is expanded, the number of times the tooth block needs to be replaced can be reduced, and production efficiency can be significantly improved.

[0028] In this embodiment, the first D Ram block 10 and second D What is Ram Block 20? D The ram assembly includes an extension portion 11 extending in the axial direction thereof, and the extension portion 11 and the intermediate portion D The ram block 30 cooperates with the ram block 30 to realize triple telescopic motion. D Ram block 10 and second D When at least one of the first drum block 10 and the second drum block 20 moves toward each other, the extension portion 11 of the first drum block 10 and the intermediate portion 20 of the second drum block 20 move toward each other. D The ram block 30 and the second D The ram block 20 enters the gap between the two expansion and contraction parts 11 and the second D The extension part 11 and the middle part of the ram block 20 D The ram block 30 and the first D By penetrating into the gap between the two telescopic sections 11 of the ram block 10, a triple telescopic effect is created.

[0029] In this embodiment, the first D The extension part 11 of the ram block 10 and the intermediate D Ram block 30 and second D The extension and contraction portions 11 of the ram block 20 are each multiple. D They are alternately arranged in sequence along the circumferential direction of the ram assembly. D Along the circumference of the ram assembly, a first D One telescopic part 11 of the ram block 10, one intermediate part D Ram block 30, second D One telescopic portion 11 of the ram block 20, the first D Another telescopic part 11 of the ram block 10, another D Ram block 30, second D Another telescopic portion 11 of the ram block 20 is formed in sequence. In this manner, the first D Ram block 10 and second D When at least one of the ram block 20 and the first block 21 moves toward each other, D One telescopic part 11 and one intermediate part of the ram block 10 D Ram block 30 is the second D The second one enters the gap between the two expansion parts 11 adjacent to the ram block 20. D One telescopic part 11 and one intermediate part of the ram block 20 D The ram block 30 and the first D It fits into the gap between two telescopic sections 11 adjacent to the ram block 10.

[0030] If possible, the first D Ram block 10 and second D The ram block 20 further includes an end portion 12, one side of which is connected to the telescopic portion 11, and the other side of which is D connected to a side drum of the ram assembly; D The movement of the side drum of the ram assembly drives the end 12 to move, which in turn moves the telescopic portion 11, and the first D The extension part 11 of the ram block 10 and the intermediate DRam block 30 and second D The ram block 20 and the telescopic portion 11 intersect to contract or extend, D Provides adjustment of the axial dimension of the ram assembly.

[0031] As shown in FIGS. 1 and 2, in this embodiment, D There is further provided an adjustment means for the axial dimension of the ram assembly. D The axial dimension adjustment device of the ram assembly includes a first D Ram block 10 and second D Ram block 20 and the first D Ram block 10 and second D Intermediate between ram block 20 D A ram block 30 and a first D Ram block 10 and intermediate D Ram block 30 and second D The ram block 20 and the ram block 20 expand and contract to match, and the first D Ram block 10 and second D When the ram block 20 and the ram block 21 approach or move away from each other, they cross and contract or extend, D The length of the ram assembly can be made shorter or longer. D By adding ram block 30, D The ram assembly achieves triple extension and contraction. D The axial adjustable range of the ram structure is increased, D Expanded coverage of the ram assembly D By increasing the maximum dimension of the ram assembly, the number of times the tooth block needs to be replaced can be reduced, significantly improving production efficiency. D The axial dimension of the ram assembly can be adjusted to a smaller size, D Does not affect minimum dimensions of ram assembly.

[0032] In actual use, the first D Ram block 10 and second DGenerally, the ram block 20 and the ram block 21 are driven and moved simultaneously, with the directions of movement of the two being opposite to each other, and the speed phases are the same. Of course, depending on the actual needs, only one of them may be driven and moved, or the two may move asynchronously.

[0033] In this embodiment, the first drum block 10 and the second drum block 20 have exactly the same shape, and the difference between them is their relative positions. D The ram assembly is offset in the circumferential direction by a certain angle, so that the first D Ram block 10 and second D Ram block 20 and intermediate D The ram block 30 and the ram block 30 intersect with each other to achieve a match that expands and contracts.

[0034] 1. D Taking the ram block 10 as an example, D Ram Block 10 is D A plurality of telescopic parts 11 extending in the axial direction of the ram assembly, and a first D The extension part 11 of the ram block 10 and the intermediate D Ram block 30 and second D The ram block 20 and the telescopic portion 11 of the ram block 20 intersect with each other and match so as to telescopically expand and contract. D The extension part 11 of the ram block 10 and the intermediate D Ram block 30 and second D The ram block 20 and the extension section 11 are all plural, and the three D The first and second axial members are alternately arranged along the circumferential direction of the ram assembly. D Ram block 10 or 2nd D A gap is formed between the two expansion parts 11 adjacent to the ram block 20, and the first D One telescopic part 11 and one intermediate part of the ram block 10 D The ram block 30 and the second D It can enter the gap between the two telescopic parts 11 adjacent to the ram block 20, and the second D One telescopic part 11 and one intermediate part of the ram block 20 DRam block 30 is the first D It can enter the gap between two telescopic parts 11 adjacent to the ram block 10.

[0035] Preferably, the width of each stretchable portion 11 in this embodiment is intermediate D Since the width of the ram block 30 is equal to the width of the ram block 30, the gap between two adjacent telescopic sections 11 is set to twice the width of the telescopic section 11, thus D Ram block 10 and second D When the ram block 20 approaches the second D The extension part 11 and the middle part of the ram block 20 D Ram block 30 and the first D The ram block 10 is extended into the gap between the telescopic portion 11, improving the adhesion of the three-part match and preventing the circumferential rattle. At the same time, the strength of the match is improved. D The structural strength of the entire ram assembly is ensured. Of course, the size of the gap between the telescopic parts 11, the distance between the telescopic parts 11 and the intermediate part D The specific dimensions, such as the specific width, of the ram block 30 may be adjusted as necessary.

[0036] In this embodiment, the first D Ram block 10 and second D The ram block 20 further comprises an end portion 12, D It extends along the circumferential direction of the ram assembly, and one side of the end 12 is connected to the telescopic portion 11, and the other side of the end 12 is D The first end 12 is connected to the side drum of the ram assembly and moves in synchronization with the extension portion 11 and the side drum. D Ram block 10 and second D The first drum block 10 and the second drum block 20 are connected to each other. D Ram block 20 and intermediate D The ram blocks 30 are all toothed blocks.

[0037] In this embodiment DThe ram assembly axial dimension adjustment device further includes a radial drive assembly. D Ram block 10 and second D Ram block 20 and intermediate D At least one of the ram block 30 and the ram block 31 is connected to a radial drive assembly and is driven by the radial drive assembly. D The ram assembly is movable in the radial direction. D Ram block 10 and second D Ram block 20 and intermediate D The radial drive assembly provides for adjustment of the radial dimension of the ram block 30. D Ram block 10 and second D Ram block 20 and intermediate D As long as the ram block 30 can be driven to move in the radial direction, various types of drive mechanisms can be used, such as air cylinder drive, link transmission, motor drive, link transmission, etc.

[0038] In the above embodiment, "plurality" means at least two.

[0039] Apparently, the above-described embodiments are only some of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor shall fall within the scope of protection of the present application.

[0040] The above description is only a preferred embodiment of the present application, and is not intended to limit the present application. Those skilled in the art can make various modifications and changes to the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present application. [Explanation of symbols]

[0041] 10 First D Ram Block 11 Telescopic part 12 End 20 Second D Ram Block 30 intermediate D Ram Block

Claims

1. A method for adjusting an axial dimension of a drum assembly, comprising: The axial dimension adjustment device of the drum assembly comprises a first drum block (10), a second drum block (20), and an intermediate drum block (30) located between the first drum block (10) and the second drum block (20); The method for adjusting the axial dimension of the drum assembly includes the steps of: moving at least one of the first drum block (10) and the second drum block (20) in a direction approaching each other, and the first drum block (10), the second drum block (20) and the intermediate drum block (30) cross each other and contract, thereby shortening the length of the drum assembly; moving at least one of the first drum block (10) and the second drum block (20) in a direction away from each other, so that the first drum block (10), the second drum block (20) and the intermediate drum block (30) extend across each other to increase the length of the drum assembly; 13. A method for adjusting an axial dimension of a drum assembly, comprising:

2. 2. The method for adjusting the axial dimension of a drum assembly according to claim 1, wherein the first drum block (10) and the second drum block (20) have telescopic portions (11) extending in the axial direction of the drum assembly, and when at least one of the first drum block (10) and the second drum block (20) moves toward each other, the telescopic portion (11) of the first drum block (10) and the intermediate drum block (30) enter into a gap between the two telescopic portions (11) of the second drum block (20), and the telescopic portion (11) of the second drum block (20) and the intermediate drum block (30) enter into a gap between the two telescopic portions (11) of the first drum block (10).

3. 3. The method for adjusting the axial dimension of a drum assembly according to claim 2, wherein the telescopic portion (11) of the first drum block (10), the telescopic portion (11) of the intermediate drum block (30), and the telescopic portion (11) of the second drum block (20) are all multiple, and the three are installed alternately in a circumferential direction of the drum assembly.

4. 4. The method for adjusting the axial dimension of a drum assembly according to claim 3, characterized in that, when at least one of the first drum block (10) and the second drum block (20) moves in a direction toward each other, one telescopic portion (11) of the first drum block (10) and one of the intermediate drum blocks (30) enter into a gap between two adjacent telescopic portions (11) of the second drum block (20), and one telescopic portion (11) of the second drum block (20) and one of the intermediate drum blocks (30) enter into a gap between two adjacent telescopic portions (11) of the first drum block (10).

5. The method for adjusting the axial dimension of a drum assembly according to claim 2, characterized in that the first drum block (10) and the second drum block (20) further comprise end portions (12), the end portions (12) being connected to the telescopic portions (11), and the telescopic portions (11) of the first drum block (10), the intermediate drum block (30), and the second drum block (20), which are moved by driving the end portions (12), are driven to cross each other and contract or extend.

6. An apparatus for adjusting the axial dimension of a drum assembly, comprising: A device for adjusting the axial dimension of a drum assembly, comprising a first drum block (10), a second drum block (20), and an intermediate drum block (30), the intermediate drum block (30) being located between the first drum block (10) and the second drum block (20), the first drum block (10), the intermediate drum block (30), and the second drum block (20) expanding and contracting to match, and the first drum block (10) and the second drum block (20) contract or expand crossing each other when approaching or moving away from each other, thereby shortening or lengthening the length of the drum assembly.

7. The device for adjusting the axial dimension of a drum assembly according to claim 6, characterized in that the first drum block (10) and the second drum block (20) have a plurality of telescopic sections (11) extending in the axial direction of the drum assembly, and the plurality of telescopic sections (11) of the first drum block (10), the intermediate drum block (30), and the plurality of telescopic sections (11) of the second drum block (20) are matched so as to cross and telescope with each other.

8. The device for adjusting the axial dimension of a drum assembly according to claim 7, characterized in that the telescopic portion (11) of the first drum block (10), the intermediate drum block (30), and the telescopic portion (11) of the second drum block (20) are all multiple, and the three are installed alternately in a circumferential direction of the drum assembly.

9. The device for adjusting the axial dimension of a drum assembly as described in claim 8, characterized in that a gap is formed between two adjacent telescopic portions (11) of the first drum block (10) or the second drum block (20), one of the telescopic portions (11) of the first drum block (10) and one of the intermediate drum blocks (30) can enter into the gap between two adjacent telescopic portions (11) of the second drum block (20), and one of the telescopic portions (11) of the second drum block (20) and one of the intermediate drum blocks (30) can enter into the gap between two adjacent telescopic portions (11) of the first drum block (10).

10. The device for adjusting the axial dimension of a drum assembly as described in claim 7, characterized in that the first drum block (10) and the second drum block (20) further include end portions (12) extending in the circumferential direction of the drum assembly, and the telescopic portion (11) is connected to the end portions (12) and moves synchronously with the end portions (12).

11. The device for adjusting the axial dimension of the drum assembly according to claim 6, further comprising a radial drive assembly, wherein at least one of the first drum block (10), the second drum block (20) and the intermediate drum block (30) is connected to the radial drive assembly and can move along the radial direction of the drum assembly by being driven by the radial drive assembly.

12. A forming drum comprising: A forming drum comprising an adjustment device for the axial dimension of a drum assembly according to any one of claims 6 to 11.

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