A cylindrical rubber tensioning device

Abstract

The present invention proposes a cylindrical rubber tensioning device, comprising a support member; a plurality of tensioning mechanisms; the tensioning mechanism comprises a rotating member and a plurality of foldable tensioning members, the rotating member is mounted outside the support member and can rotate relative to the support member, a plurality of tensioning members are distributed circumferentially outside the support member, the tensioning member has a fixed end connected to the support member and a movable end connected to the rotating member; when the rotating member rotates relative to the support member, the rotating member drives the movable end of the tensioning member to move so that the tensioning member is folded or unfolded. The present invention improves the uniformity of the cylindrical rubber during tensioning, improves the degree of automation, reduces the cost of the production process, and eliminates the disadvantages of the inner bag inflation method.

Description

Technical Field

[0001] The invention relates to the technical field of tensioning devices, and in particular to a cylindrical rubber tensioning device. Background Art

[0002] In the prior art, the tensioning method before cutting of cylindrical rubber is mostly to inflate a soft inner bag to drive the outer multi-petal hard tiles to be tensioned. However, due to the particularity of rubber, this type of expansion form has poor tensioning stability, low degree of automation, high production cost, poor versatility, and large occupation of human resources. Summary of the invention

[0003] Based on the technical problems existing in the background technology, the present invention proposes a cylindrical rubber tensioning device.

[0004] The present invention provides a cylindrical rubber tensioning device, comprising:

[0005] Supports;

[0006] Several tensioning mechanisms; the tensioning mechanism includes a rotating member and a plurality of foldable tensioning members, the rotating member is mounted outside the support member and can rotate relative to the support member, the plurality of tensioning members are distributed circumferentially outside the support member, the tensioning member has a fixed end connected to the support member and a movable end connected to the rotating member; when the rotating member rotates relative to the support member, the rotating member drives the movable end of the tensioning member to move so that the tensioning member can be folded or unfolded.

[0007] Preferably, the supporting member comprises a rotating shaft and a fixing sleeve fixedly sleeved on the rotating shaft, and the fixing end of the tensioning member is connected to the fixing sleeve.

[0008] Preferably, the rotating member comprises a fixed disk sleeved outside the fixed sleeve, the fixed disk is rotatably connected to the fixed sleeve via a bearing, and the movable end of the tensioning member is connected to the fixed sleeve.

[0009] Preferably, the tensioning member includes a plurality of hinges hinged in sequence, and the two outermost hinges are respectively a fixed end and a movable end.

[0010] Preferably, a plurality of fixing screw holes are uniformly opened on the fixing sleeve in the circumferential direction, and fixing bolts that are tightly pressed against the rotating shaft are threaded into the fixing screw holes.

[0011] Preferably, the hinge at the fixed end of the tensioning member is connected to a first connecting platform, and the hinge at the movable end thereof is connected to a second connecting platform, and the first connecting platform and the second connecting platform are respectively connected to the fixed sleeve and the fixed disk.

[0012] Preferably, a plurality of first screw holes are provided on the first connecting platform, a plurality of second screw holes are provided through a hinge at the fixed end of the tensioning member, the second screw holes are connected with the first screw holes one by one, and the corresponding second screw holes and first screw holes are connected by first bolts.

[0013] Preferably, a plurality of third screw holes are provided on the second connecting platform, and a plurality of fourth screw holes are provided through another hinge at the movable end of the tensioning member. The fourth screw holes are connected with the third screw holes one by one, and the corresponding fourth screw holes and third screw holes are connected by second bolts.

[0014] Preferably, multiple first connecting platforms are evenly distributed on the outer circumference of the fixed sleeve and are integrally connected to the fixed sleeve, the second connecting platform is integrally connected to the fixed disk, and a second connecting platform is arranged between any two adjacent first connecting platforms. The second connecting platform is clearance-matched with the fixed sleeve and the second connecting platform abuts against the first connecting platform on the side away from the hinge assembly connected thereto.

[0015] Preferably, one end of the fixed sleeve is concave to form a first annular groove, the inner circumferential surface of the fixed disk is concave to form a second annular groove, the first annular groove cooperates with the second annular groove to form an assembly groove, and the bearing is assembled in the assembly groove.

[0016] Preferably, a limiting disk is integrally arranged at one end of the fixing sleeve away from the fixing disk, and the tensioning member is arranged between the limiting disk and the fixing disk.

[0017] The present invention proposes a cylindrical rubber tensioning device. According to the length of the cylindrical rubber, a suitable number of tensioning mechanisms are arranged on the support member, and the cylindrical rubber is sleeved on the tensioning mechanism. Through the relative rotation of the rotating member with respect to the supporting member, multiple tensioning members are folded, and multiple tensioning members form a support circle to support the inner wall of the cylindrical rubber, ensuring the uniformity of the cylindrical rubber when tensioned, and then the entire tensioning device is driven to rotate to drive the cylindrical rubber to rotate, which is convenient for processing the cylindrical rubber. The support member of the present invention adopts a high-speed rotating shaft, and utilizes the centripetal force brought by the high-speed rotating shaft to drive, so that the hinges of multiple tensioning members are synchronously opened to support the inner wall of the cylindrical rubber and realize the tensioning work; after the rotating shaft stops, the hinges of the tensioning member return to the original state; the present invention improves the uniformity of the cylindrical rubber when tensioned, improves the degree of automation, reduces the cost of the production process, and eliminates the disadvantages of the inner bag inflation method. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a cylindrical rubber tensioning device proposed by the present invention;

[0019] Figure 2 This is a schematic structural diagram of a tensioning member in a cylindrical rubber tensioning device proposed by the present invention;

[0020] Figure 3 This is an assembly structure diagram of a hinge assembly in a cylindrical rubber tensioning device proposed by the present invention;

[0021] Figure 4 This is an assembly structure diagram of a fixed sleeve and a fixed disk in a cylindrical rubber tensioning device proposed by the present invention;

[0022] Figure 5 This is a schematic structural diagram of a fixed sleeve in a cylindrical rubber tensioning device proposed by the present invention;

[0023] Figure 6 This is a schematic structural diagram of a fixed disk in a cylindrical rubber tensioning device proposed by the present invention;

[0024] Figure 7 This is a working principle diagram of a cylindrical rubber tensioning device proposed by the present invention;

[0025] Figure 8 for Figure 7 A cross-sectional view of

[0026] Fig. 9 This is a diagram of the tensioning state of a tensioning member in a cylindrical rubber tensioning device proposed by the present invention. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the drawings of the specification. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in the art without creative work should fall within the scope of protection of the present invention.

[0028] Reference Figure 1-Figure 9 The present invention provides a cylindrical rubber tensioning device, comprising:

[0029] A support member, the support member comprises a rotating shaft 1 and a fixed sleeve 2 fixedly sleeved on the rotating shaft 1;

[0030] A plurality of tensioning mechanisms, the tensioning mechanisms comprising a rotating member and a plurality of foldable tensioning members. The rotating member is mounted outside the support member and can rotate relative to the support member. The plurality of tensioning members are distributed circumferentially outside the support member, and the tensioning member has a fixed end connected to the support member and a movable end connected to the rotating member; when the rotating member rotates relative to the support member, the rotating member drives the movable end of the tensioning member to move so that the tensioning member is folded or unfolded.

[0031] In this embodiment, the rotating member includes a fixed plate 3 sleeved outside the fixed sleeve 2, and the fixed plate 3 is rotatably connected with the fixed sleeve 2 through a bearing 4. Specifically, a first annular groove 16 is formed inwardly at one end of the fixed sleeve 2, and a second annular groove 17 is formed inwardly on the inner circumference of the fixed plate 3. The first annular groove 16 cooperates with the second annular groove 17 to form an assembly groove, and the bearing 4 is assembled in the assembly groove.

[0032] In this embodiment, the tensioning member includes a plurality of hinges 5 hinged in sequence, and the two hinges 5 on the outermost sides are a fixed end and a movable end respectively.

[0033] When this embodiment is used, Figure 7 , Figure 8 As shown, according to the length of the cylindrical rubber a, a suitable number of tensioning pieces are fixed on the rotating shaft 1, and the cylindrical rubber a is sleeved on the tensioning piece. The rotating shaft 1 is driven to rotate at high speed by an external driving mechanism. The high-speed rotation of the rotating shaft 1 drives the fixed sleeve 2 to rotate. Due to the centripetal force, the fixed disk 3 can rotate, and the rotation of the fixed disk 3 drives the hinge 5 of the tensioning piece to open (as shown in FIG. Fig. 9 ) to tension the inner wall of the cylindrical rubber a, and at the same time the cylindrical rubber a can also rotate with the tensioning mechanism, which is convenient for processing the cylindrical rubber a, such as ring cutting.

[0034] Please refer to Figure 1-Figure 4 In this embodiment, the hinge 5 at the fixed end of the tensioning member is connected to the first connecting platform 6 and the hinge 5 at the movable end is connected to the second connecting platform 7. The first connecting platform 6 and the second connecting platform 7 are respectively connected to the fixed sleeve 2 and the fixed disk 3.

[0035] Please refer to Figure 1-Figure 6 Preferably, the first connecting platform 6 is integrally connected to the fixed sleeve 2, the second connecting platform 7 is integrally connected to the fixed disk 3, multiple first connecting platforms 6 are evenly distributed on the outer circumference of the fixed sleeve 2, and a second connecting platform 7 is arranged between any two adjacent first connecting platforms 6. The second connecting platform 7 is clearance-matched with the fixed sleeve 2 and the second connecting platform 7 abuts against the first connecting platform 6 on the side away from the hinge 5 connected thereto.

[0036] Please refer to Figure 1-Figure 6 Further, to facilitate the installation of the hinge assembly 5, a plurality of first screw holes 8 are provided on the first connecting platform 6, and a plurality of second screw holes 9 are provided through the hinge 5 at the fixed end of the tensioner. The second screw holes 9 are connected to the first screw holes 8 in a one-to-one correspondence, and the corresponding second screw holes 9 and first screw holes 8 are connected by a first bolt 10. A plurality of third screw holes 11 are provided on the second connecting platform 7, and a plurality of fourth screw holes 12 are provided through the hinge 5 at the movable end of the tensioner. The fourth screw holes 12 are connected to the third screw holes 11 in a one-to-one correspondence, and the corresponding fourth screw holes 12 and third screw holes 11 are connected by a second bolt 13.

[0037] Please refer to Figure 1 , Figure 2 , Figure 4 Specifically, in order to facilitate the fixed connection between the fixing sleeve 2 and the rotating shaft 1, three fixing screw holes 14 are evenly opened on the fixing sleeve 2 in the circumferential direction, and fixing bolts 15 that are tightly pressed against the rotating shaft 1 are screwed into the fixing screw holes 14.

[0038] Please refer to Figure 1-Figure 4 Specifically, a limiting disk 18 is integrally provided at one end of the fixing sleeve away from the fixing disk 3 , and the tensioning member is provided between the limiting disk 18 and the fixing disk 3 .

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cylindrical rubber tensioning device, characterized in that: include: Supports; Several tensioning mechanisms; The tensioning mechanism comprises a rotating member and a plurality of foldable tensioning members, wherein the rotating member is sleeved outside the supporting member and can rotate relative to the supporting member, and the plurality of tensioning members are distributed circumferentially outside the supporting member, and the tensioning member has a fixed end connected to the supporting member and a movable end connected to the rotating member; when the rotating member rotates relative to the supporting member, the rotating member drives the movable end of the tensioning member to move so that the tensioning member is folded or unfolded; The support member comprises a rotating shaft (1) and a fixed sleeve (2) fixedly sleeved on the rotating shaft (1); a plurality of tension members are arranged at intervals in the outer circumferential direction of the fixed sleeve (2); and a fixed end of the tension member is connected to the fixed sleeve (2); The rotating member comprises a fixed disk (3) sleeved outside the fixed sleeve (2); the fixed disk (3) is rotatably connected to the fixed sleeve (2) via a bearing (4); and the movable end of the tensioning member is connected to the fixed disk (3); The tensioning member comprises a plurality of hinges (5) hingedly connected in sequence, wherein the two hinges (5) on the outermost sides are respectively a fixed end and a movable end; A plurality of fixing screw holes (14) are uniformly formed on the fixing sleeve (2) in a circumferential direction, and fixing bolts (15) are screwed into the fixing screw holes (14) and are tightly pressed against the rotating shaft (1); The hinge (5) at the fixed end of the tensioning member is connected to a first connecting platform (6), and the hinge (5) at the movable end is connected to a second connecting platform (7). The first connecting platform (6) and the second connecting platform (7) are respectively connected to the fixing sleeve (2) and the fixing plate (3).

2. The cylindrical rubber tensioning device according to claim 1, characterized in that: A plurality of first screw holes (8) are formed on the first connecting platform (6), and a plurality of second screw holes (9) are formed through the hinge (5) at the fixed end of the tensioning member. The second screw holes (9) are connected to the first screw holes (8) in a one-to-one correspondence, and the corresponding second screw holes (9) and first screw holes (8) are connected by first bolts (10).

3. The cylindrical rubber tensioning device according to claim 1, characterized in that: A plurality of third screw holes (11) are formed on the second connecting platform (7), and a plurality of fourth screw holes (12) are formed through the hinge (5) at the movable end of the tensioning member. The fourth screw holes (12) are connected to the third screw holes (11) in a one-to-one correspondence, and the corresponding fourth screw holes (12) and third screw holes (11) are connected via second bolts (13).

4. The cylindrical rubber tensioning device according to claim 1, characterized in that: A plurality of first connecting platforms (6) are evenly distributed in the outer circumferential direction of the fixing sleeve (2) and are integrally connected to the fixing sleeve (2); a second connecting platform (7) is integrally connected to the fixing plate (3); a second connecting platform (7) is provided between any two adjacent first connecting platforms (6); the second connecting platform (7) and the fixing sleeve (2) are clearance-matched, and the second connecting platform (7) abuts against the first connecting platform (6) on a side of the second connecting platform (7) away from the hinge connected thereto.

5. The cylindrical rubber tensioning device according to any one of claims 1 to 4, characterized in that: One end of the fixed sleeve (2) is concavely formed with a first annular groove (16), and the inner circumferential surface of the fixed disk (3) is concavely formed with a second annular groove (17). The first annular groove (16) and the second annular groove (17) cooperate to form an assembly groove, and the bearing (4) is assembled in the assembly groove.

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