Stretching device

Abstract

The utility model provides a stretching device which comprises a storage platform used for supporting materials to be stretched; the first fixing part and the second fixing part are arranged on the two opposite sides of the storage platform correspondingly, and the first fixing part and the second fixing part are connected with the two ends of the materials correspondingly; the first fixing component and / or the second fixing component comprise / comprises a clamping device, the clamping device comprises a first clamping component and a second clamping component which are arranged oppositely, the first clamping component is movably connected with the second clamping component, and the first fixing component and / or the second fixing component are / is movably arranged in the first preset direction. Therefore, the first fixing part and the second fixing part are far away from each other or close to each other. According to the stretching device, the stretching effect of the cord fabric can be effectively improved, and the technical problem that in the related technology, the stretching effect of the cord fabric is poor in the process of simulating inflation of a formed tire blank after the cord fabric is rolled and cut is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a production equipment technical field of cord, specifically relates to a stretching device. BACKGROUND

[0002] In the production process of the cord, in order to ensure product quality, the stretching state when the shaped tire blank is inflated needs to be simulated to check the cord after the calendering production is completed. Traditionally, this process is manually stretched by the operating personnel to check the arrangement of the steel wire. However, manual stretching not only is difficult to ensure the consistency and uniformity of stretching, but also cannot completely reproduce the actual stretching effect after the tire blank is shaped and inflated. Therefore, the manual inspection method cannot accurately evaluate the arrangement of the steel wire under the real use condition, which may lead to quality problems such as non-compliance of the steel wire arrangement or sparse parallel wire during the shaping and use of the tire.

[0003] Therefore, the prior art needs to be further developed. SUMMARY

[0004] The utility model aims at overcoming the above technical insufficiency, provides a stretching device to solve the technical problem of poor stretching effect of the cord in the simulation of the shaped tire blank inflation process after the cord calendering cutting in the prior art.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical scheme: a stretching device is provided, which comprises: a storage platform for supporting the material to be stretched; a first fixed component and a second fixed component are respectively arranged on the opposite sides of the storage platform, and the first fixed component and the second fixed component are respectively connected with the two ends of the material; the first fixed component and / or the second fixed component comprises a clamp, and the clamp comprises a first clamping component and a second clamping component arranged oppositely, and the first clamping component is movably arranged along a first preset direction to make the first fixed component and the second fixed component move away from each other or move close to each other.

[0006] Further, the stretching device comprises a stretching driving mechanism, and the stretching driving mechanism is drivingly connected with the first fixed component and / or the second fixed component to drive the first fixed component and / or the second fixed component to move away from each other or move close to each other.

[0007] Further, the stretching driving mechanism comprises: a first cylinder body, and a first piston rod of the first cylinder body is telescopically arranged along the first preset direction, and a free end of the first piston rod is connected with the first fixed component and / or the second fixed component.

[0008] Further, the first fixing component and / or the second fixing component comprises a support frame, a clamping device is installed on one end of the support frame close to the storage platform, and the free end of the first piston rod is connected with the support frame.

[0009] Further, the support frame comprises a rotating shaft, the rotating shaft is rotatably installed on one end of the support frame close to the storage platform, the first clamping component is connected with the rotating shaft, and the second clamping component is fixedly connected with the support frame close to the one end of the storage platform.

[0010] Further, the first clamping component is located on the side, away from the storage platform, of the second clamping component, and the clamping device comprises a connecting portion connected with the one end, away from the storage platform, of the first clamping component, and a clamping driving mechanism drivingly connected with the connecting portion to drive the first clamping component to rotate relative to the second clamping component.

[0011] Further, the stretching device comprises a workbench, a storage platform is arranged on the tabletop of the workbench, and the first fixing component and / or the second fixing component is movably connected with the workbench along the first preset direction.

[0012] Further, a pulley is installed on the first fixing component and / or the second fixing component, a sliding groove is formed in the workbench and extends along the first preset direction, and the pulley is slidingly connected with the sliding groove; wherein the pulley comprises at least two pulleys, the at least two pulleys are respectively located on opposite sides of the first fixing component or the second fixing component, the sliding groove comprises two sliding grooves, and the two sliding grooves are oppositely arranged.

[0013] Further, the workbench comprises a support assembly, the support assembly is located below the tabletop, the support assembly comprises two oppositely arranged support plates, the two support plates are respectively fixedly connected with the tabletop, the two support plates are both provided with a sliding groove, and an avoiding passage for accommodating the first fixing component or the second fixing component is formed between the two support plates.

[0014] Further, the stretching device comprises a detection component, the detection component is installed on the workbench, the detection component is located on the side, away from the storage platform, of the first fixing component or the second fixing component, and the detection component is correspondingly arranged with the first fixing component or the second fixing component.

[0015] Beneficial effects:

[0016] The stretching device in the embodiment provides stable support for the material to be stretched through the storage platform, and the first fixing component and the second fixing component jointly clamp the material, the first fixing component and / or the second fixing component can move along the first preset direction, thereby realizing mutual moving away or moving close, so that the stretching device can accurately control the stretching direction and the stretching length according to the actual stress condition of the cord in the simulation of the inflation process of the formed tire, and further improve the stretching effect, the stretching device can effectively simulate the stress state of the cord in the actual inflation process of the formed tire, ensure that the cord is uniformly stressed during the stretching process, and avoid the situation of local insufficient stretching or excessive stretching, thereby significantly improving the stretching effect of the cord, and solving the technical problem of poor stretching effect of the cord in the simulation of the inflation process of the formed tire after the cord is calendered and cut in the related technology. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structure schematic view of the stretching device adopted by the embodiment of the utility model;

[0018] Figure 2 is a top view of the stretching device adopted by the embodiment of the utility model;

[0019] Figure 3 is a structure schematic view of the first clamping component of the stretching device adopted by the embodiment of the utility model.

[0020] Among them, the above-mentioned drawing includes the following drawing marks:

[0021] 10, storage platform;

[0022] 1, first fixing component; 11, support frame; 12, rotating shaft; 13, pulley; 2, second fixing component; 3, clamp; 31, first clamping component; 32, second clamping component; 33, connecting part; 34, clamping driving mechanism; 4, stretching driving mechanism; 5, workbench; 51, sliding groove; 52, support assembly; 521, support plate; 53, table plate; 54, avoiding passage; 6, detection component; 71, first control switch; 72, second control switch. DETAILED DESCRIPTION

[0023] In order for the personnel in the technical field to better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0024] According to the embodiment of the utility model, a kind of stretching device is provided, please refer to Figures 1 to 3The stretching device comprises a storage platform 10, a first fixing component 1 and a second fixing component 2, and a first clamping component 31 and a second clamping component 32.

[0025] Thus, the stretching device can provide stable support for the material to be stretched, and the first fixing component 1 and the second fixing component 2 can move along the first preset direction to realize mutual moving away or moving close to each other, so that the stretching device can accurately control the stretching direction and the stretching length according to the actual stress condition of the cord in the simulation of the tire forming process, thereby improving the stretching effect.

[0026] It can be understood that in some embodiments, the first fixing component 1 can be arranged as a fixed clamping component, only the second fixing component 2 can move, or the second fixing component 2 can be arranged as a fixed clamping component, only the first fixing component 1 can move, or the first fixing component 1 and the second fixing component 2 can be arranged as separately movable clamping components.

[0027] In the stretching device of the embodiment, referring to Figure 3 The stretching device comprises a stretching driving mechanism 4, which is drivingly connected with the first fixing component 1 and / or the second fixing component 2 to drive the first fixing component 1 and / or the second fixing component 2 to move away from or close to each other. By arranging the stretching driving mechanism 4 to drive the first fixing component 1 and / or the second fixing component 2 to move away from or close to each other, the stretching condition in the actual tire forming process can be simulated as much as possible each time, and the consistency and uniformity of the detection data of each stretching can be ensured, thereby improving the detection effect and quality.

[0028] In the stretching device of the embodiment, referring to Figure 3, the stretching driving mechanism 4 comprises a first cylinder, a first piston rod of the first cylinder is telescopically arranged along a first preset direction, and a free end of the first piston rod is connected with the first fixing component 1 and / or the second fixing component 2. By adopting the first cylinder, the first fixing component 1 and / or the second fixing component 2 can be driven to move away from or close to each other.

[0029] Preferably, the first cylinder is a pneumatic cylinder.

[0030] In the stretching device of the embodiment, referring to Figure 3 , the first fixing component 1 and / or the second fixing component 2 comprises a support frame 11, the support frame 11 is provided with the gripper 3 at one end close to the storage platform 10, and the free end of the first piston rod is connected with the support frame 11. By arranging the support frame 11, the gripper 3 is supported, and the first cylinder is reciprocated by pushing the support frame 11 to realize the stretching of the material.

[0031] In some embodiments, the support frame 11 is perpendicular to the storage platform 10, and the support frame 11 is provided with the gripper 3 at the top end.

[0032] In the stretching device of the embodiment, referring to Figure 3 , the support frame 11 comprises a rotating shaft 12, the rotating shaft 12 is rotatably arranged at one end of the support frame 11 close to the storage platform 10, the first clamping component 31 is connected with the rotating shaft 12, and the second clamping component 32 is fixedly connected with the support frame 11 at one end close to the storage platform 10; or, the second clamping component 32 is connected with the rotating shaft 12, and the first clamping component 31 is fixedly connected with the support frame 11 at one end close to the storage platform 10. In this way, the first clamping component 31 and the second clamping component 32 are rotatably connected, and the clamping or releasing of the gripper 3 on the material is realized by the relative rotation of the two.

[0033] In the stretching device of the embodiment, referring to Figure 3 , the first clamping component 31 is located at the side of the second clamping component 32 away from the storage platform 10, and the gripper 3 comprises a connecting part 33 connected with one end of the first clamping component 31 away from the storage platform 10, and a clamping driving mechanism 34 drivingly connected with the connecting part 33 to drive the first clamping component 31 to rotate relative to the second clamping component 32.

[0034] In some embodiments, the clamping driving mechanism 34 comprises a second cylinder, a second piston rod of the second cylinder can be telescopically arranged along a second preset direction, the second piston rod of the second cylinder is drivingly connected with the connecting part 33 to control the rotation of the first clamping component 31 relative to the second clamping component 32, and the second preset direction is perpendicular to the first preset direction.

[0035] Specifically, the free end of the second piston rod is hingedly connected with the lower part of the connecting part.

[0036] Preferably, the second cylinder is a pneumatic cylinder.

[0037] In some embodiments, a connecting plate is further arranged between the connecting part 33 and the first clamping part 31, the connecting plate includes two connecting plates, the two connecting plates are respectively arranged on the two sides of the support frame 11, and the rotating shaft 12 is installed between the two connecting plates and rotationally connected with the rotating shaft installation hole on the support frame 11.

[0038] Preferably, the first clamping part 31 is arranged above the second clamping part 32, so as to facilitate the taking and placing of the material, when the second cylinder is retracted, the connecting part 33 moves downward, so that the first clamping part 31 is away from the second clamping part 32, at this time, the material can be placed in the clamp 3, after the material is placed, the second piston rod is controlled to extend, so that the first clamping part 31 is close to the second clamping part 32, so that the clamp 3 tightly clamps the material, and then the material can be stretched.

[0039] In some embodiments, the clamping surface of the second clamping part 32 is flush with the storage platform 10, so as to facilitate the taking and placing of the material.

[0040] In some embodiments, the first clamping part 31 and the second clamping part 32 are both square plates, and the extension direction of the length of the first clamping part 31 and the second clamping part 32 is perpendicular to the first preset direction, through the above setting, the contact area of the clamp 3 and the material is increased, so as to further ensure that the material can be uniformly stretched.

[0041] In the stretching device of the embodiment, referring to Figure 1 , the stretching device includes a workbench 5, the storage platform 10 is arranged on the table plate 53 of the workbench 5, and the first fixing part 1 and / or the second fixing part 2 are movably connected with the workbench 5 along the first preset direction. In this way, the workbench 5 can be arranged to support the entire stretching device.

[0042] Preferably, the storage platform 10 is protrudingly arranged on the table plate 53, the storage platform 10 is centrally arranged on the table plate 53, the first fixing part 1 and the second fixing part 2 are respectively arranged on the two sides of the storage platform 10, and the table plates on the two sides are both provided with through grooves for accommodating the first fixing part 1 and the second fixing part 2.

[0043] In the stretching device of the embodiment, referring to Figure 1 and 3The pulley 13 is arranged on the first fixing component 1 and / or the second fixing component 2, and the sliding groove 51 is arranged on the workbench 5 and extends along the first preset direction, and the pulley 13 is in sliding connection with the sliding groove 51; wherein the pulley 13 is at least two, and the at least two pulleys 13 are respectively arranged on opposite sides of the first fixing component 1 or the second fixing component 2, and the sliding groove 51 is two, and the two sliding grooves 51 are oppositely arranged. By arranging the pulley 13 and the sliding groove 51, the movement resistance of the first fixing component 1 or the second fixing component 2 during movement is reduced.

[0044] In the stretching device of the embodiment, referring to Figure 1 The workbench 5 comprises a support assembly 52, the support assembly 52 is arranged below the table plate 53, the support assembly 52 comprises two oppositely arranged support plates 521, the two support plates 521 are respectively fixedly connected with the table plate 53, the two support plates 521 are both provided with the sliding groove 51, and the two support plates 521 form an avoiding passage 54 for accommodating the first fixing component 1 or the second fixing component 2. By arranging the support assembly 52, the first fixing component 1 or the second fixing component 2 is supported by the two support plates 521 during reciprocating movement.

[0045] Specifically, the support plate 521 is perpendicular to the storage platform 10.

[0046] In the stretching device of the embodiment, referring to Figure 1 The stretching device comprises a detection component 6, the detection component 6 is arranged on the workbench 5, the detection component 6 is arranged on the side of the first fixing component 1 or the second fixing component 2 away from the storage platform 10, and the detection component 6 is arranged corresponding to the first fixing component 1 or the second fixing component 2. By arranging the detection component 6, the detection component 6 is arranged near the “end point” of the stretching stroke, so that the first fixing component 1 or the second fixing component 2 is detected to be in place, and the stretching device stops stretching action after the first fixing component 1 or the second fixing component 2 is in place, and then the staff can check the steel wire arrangement state after the cord stretching.

[0047] Specifically, the installation position of the detection component 6 is determined according to the stretching length of the cord, for example, if the stretching length of the cord is 1.5 meters, the detection component 5 is correspondingly arranged at 1.5 meters, so that the first fixing component 1 or the second fixing component 2 can immediately stop stretching when reaching the stretching length.

[0048] In some embodiments, the first clamping component 31 and the second clamping component 32 can both move along the first preset direction, and the stretching driving mechanism 4 and the clamping driving mechanism 34, the clamp 3 and other components are correspondingly provided with two sets to realize the simultaneous movement of the first clamping component 31 and the second clamping component 32 or the opposite movement of the first clamping component 31 and the second clamping component 32, so as to improve the stretching efficiency of the stretching device.

[0049] In some embodiments, the stretching device further comprises a first control switch 71 and a second control switch 72, which are located on the workbench and are used to control the stretching driving mechanism 4 and the clamping driving mechanism 34 respectively.

[0050] It can be understood that the stretching device in the embodiment can be used not only for stretching the cord fabric during the process of simulating the inflation of the tire body after the cord fabric is cut and stretched, but also in other fields such as metal material stretching and plastic material stretching.

[0051] In some embodiments, the working process of stretching the cord fabric by using the stretching device is as follows: ① The second piston rod of the second cylinder body is retracted by pressing the second control switch 72, the clamps 3 of the first fixed part 1 and the second fixed part 2 are opened, the cord fabric is placed on the storage platform 10 and the clamps 3, and the second piston rod of the second cylinder body is extended by pressing the second control switch 72, so that the clamps 3 of the first fixed part 1 and the second fixed part 2 clamp the cord fabric;

[0052] ② The first piston rod of the first cylinder body is extended by pressing the first control switch 71, the pulleys 13 in the first fixed part 1 and the second fixed part 2 move in the sliding groove 51, the first fixed part 1 and the second fixed part 2 move away from each other, the cord fabric is stretched, and the stretching is stopped when the detection part 6 detects that the first fixed part 1 and the second fixed part 2 are in place, and personnel check the arrangement state of the steel wires after the cord fabric is stretched.

[0053] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be exchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0054] Alternatively, the specific examples in the embodiment can refer to the examples described in the above-described embodiments, and the embodiment will not be described here.

[0055] The serial numbers of the above-described embodiments of the present application are only for description, and do not represent the advantages or disadvantages of the embodiments.

[0056] In the above-described embodiments of the present application, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be seen in the relevant description of other embodiments.

[0057] The above only describes the preferred embodiments of the present application. It should be pointed out that, for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, which should also be considered as the protection scope of the present application.

Claims

1. A tensioning device, characterized in that, include: Storage platform (10), the storage platform (10) is used to support the material to be stretched; The first fixing component (1) and the second fixing component (2) are respectively disposed on opposite sides of the storage platform (10), and the first fixing component (1) and the second fixing component (2) are respectively connected to both ends of the material; The first fixing component (1) and / or the second fixing component (2) include a clamp (3), the clamp (3) including a first clamping component (31) and a second clamping component (32) disposed opposite to each other, the first clamping component (31) and the second clamping component (32) being movably connected, the first fixing component (1) and / or the second fixing component (2) being movably disposed along a first preset direction, so that the first fixing component (1) and the second fixing component (2) are either far apart from each other or close together.

2. The tensioning device according to claim 1, characterized in that, The stretching device includes a stretching drive mechanism (4), which is drivenly connected to the first fixing component (1) and / or the second fixing component (2) to drive the first fixing component (1) and / or the second fixing component (2) to move away from or closer to each other.

3. The stretching device according to claim 2, characterized in that, The stretching drive mechanism (4) includes: a first cylinder, a first piston rod of the first cylinder being extendably and retractably arranged along a first preset direction, and the free end of the first piston rod being connected to the first fixing component (1) and / or the second fixing component (2).

4. The tensioning device according to claim 3, characterized in that, The first fixing component (1) and / or the second fixing component (2) include a support frame (11), the clamp (3) is installed at one end of the support frame (11) near the storage platform (10), and the free end of the first piston rod is connected to the support frame (11).

5. The stretching device according to claim 4, characterized in that, The support frame (11) includes a rotating shaft (12) which is rotatably mounted on one end of the storage platform (10) about its axis. The first clamping component (31) is connected to the rotating shaft (12), and the second clamping component (32) is fixedly connected to one end of the support frame (11) near the storage platform (10).

6. The stretching device according to claim 5, characterized in that, The first clamping member (31) is located on the side of the second clamping member (32) away from the storage platform (10), and the clamp (3) includes: A connecting part (33) is connected to the end of the first clamping member (31) away from the storage platform (10); A clamping drive mechanism (34) is driven to connect with the connecting part (33) to drive the first clamping member (31) to rotate relative to the second clamping member (32).

7. The stretching device according to claim 1, characterized in that, The stretching device includes a workbench (5), on which the storage platform (10) is provided, and the first fixing component (1) and / or the second fixing component (2) are movably connected to the workbench (5) along a first preset direction.

8. The stretching device according to claim 7, characterized in that, A pulley (13) is installed on the first fixing component (1) and / or the second fixing component (2), and a groove (51) is provided on the worktable (5). The groove (51) extends along a first preset direction, and the pulley (13) is slidably connected to the groove (51); wherein, The pulleys (13) include at least two, and the at least two pulleys (13) are located on opposite sides of the first fixing component (1) or the second fixing component (2), and the slide grooves (51) include two, and the two slide grooves (51) are arranged opposite to each other.

9. The stretching device according to claim 8, characterized in that, The workbench (5) includes a support assembly (52) located below the tabletop (53). The support assembly (52) includes two opposing support plates (521), which are fixedly connected to the tabletop (53). The two support plates (521) are provided with the sliding groove (51) on each of the two support plates (521), and a clearance channel (54) is formed between the two support plates (521) to accommodate the first fixed component (1) or the second fixed component (2).

10. The stretching device according to claim 7, characterized in that, The stretching device includes a detection component (6), which is mounted on the workbench (5). The detection component (6) is located on the side of the first fixing component (1) or the second fixing component (2) away from the storage platform (10). The detection component (6) is correspondingly arranged with the first fixing component (1) or the second fixing component (2).

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