Vacuum sizing sleeve

Abstract

The utility model discloses a vacuum sizing sleeve and relates to the technical field of sizing sleeves. Comprising a vacuum sizing sleeve body, and a flange plate is arranged at one end of the vacuum sizing sleeve body; a cooling ring structure is arranged on the outer side of one end, provided with the flange plate, of the vacuum sizing sleeve body and is used for cooling the vacuum sizing sleeve body; the cooling ring structure comprises an outer layer jacket, the outer layer jacket is arranged on the outer side surface of the end, provided with the flange plate, of the vacuum sizing sleeve body, and an annular sealing cavity is formed between the outer layer jacket and the vacuum sizing sleeve body; and the water distribution cavity structure is arranged on the outer side of the outer-layer jacket and is used for distributing cooling water into the sealing cavity in a line-in-plane manner and enabling the cooling water to flow in the circumferential direction of the sealing cavity.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sizing sleeve, especially to a vacuum sizing sleeve. BACKGROUND

[0002] The vacuum sizing area of the pipe vacuum sizing sleeve basically adopts a vacuum groove structure, the groove width is relatively small at the position close to the inlet, generally 1-1.5mm, and is arranged relatively densely, since the pipe is cooled and hardened gradually at this time, the groove width can be increased to 3-4mm, and the groove spacing can also be increased.

[0003] In the prior art, the vacuum sizing sleeve is provided with a cooling water ring at one end to cool the plastic pipe inside the sizing sleeve, but the water injection structure into the cooling water ring is generally a water inlet hole in a hole structure, the cooling water enters from the water inlet hole and fills the cooling water ring, and then is discharged from a water outlet hole to discharge the cooled water, so that the plastic pipe inside the sizing sleeve is cooled in the process of continuously injecting the cooling water.

[0004] However, in the above water injection mode, the cooling water may be unevenly distributed after entering the cooling water ring, resulting in uneven surface temperature of the inner circumferential wall of the sizing pipe body, and poor cooling effect, and in another case, the water injection of the water inlet hole cannot quickly distribute water to form a surface to fill the water cavity inside the cooling water ring, also causing adverse effects on the cooling effect.

[0005] Therefore, based on the above technical problems, the technical personnel in the art urgently need to develop a vacuum sizing sleeve. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at solving the above problems and provides a vacuum sizing sleeve.

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0008] The utility model relates to a vacuum sizing sleeve, which comprises:

[0009] The vacuum sizing sleeve body is provided with a flange plate at one end;

[0010] The outer side of the one end of the vacuum sizing sleeve body with the flange plate is provided with a cooling ring structure to cool the vacuum sizing sleeve body;

[0011] The cooling ring structure comprises:

[0012] An outer jacket is arranged on the outer surface of one end of the vacuum sizing sleeve body having the flange plate, and an annular sealing cavity is formed between the outer jacket and the vacuum sizing sleeve body.

[0013] A water distribution cavity structure is arranged on the outer jacket to distribute cooling water into the sealing cavity in a linear plane and flow along the circumferential direction of the sealing cavity.

[0014] Further, the water distribution cavity structure comprises:

[0015] A water distribution cavity is a strip cavity structure arranged on the outer surface of the outer jacket, and the water distribution cavity of the strip cavity structure is arranged along the axial direction of the outer jacket.

[0016] A water distribution port is arranged on the outer jacket and communicates with the water distribution cavity.

[0017] A water outlet hole is arranged on the outer jacket and located outside the water distribution cavity.

[0018] Further, the water distribution port extends along the axial direction of the outer jacket in a linear strip to distribute cooling water into the sealing cavity in a linear plane and flow along the circumferential direction of the sealing cavity.

[0019] Further, the water distribution port extends into the sealing cavity in a direction deviating from the axis of the outer jacket in the radial direction of the outer jacket.

[0020] Further, the water outlet hole extends into the sealing cavity in a direction deviating from the axis of the outer jacket in the radial direction of the outer jacket and opposite to the extension direction of the water distribution port.

[0021] Further, one side of the water distribution cavity is provided with a first water pipe joint communicating with the water distribution cavity.

[0022] Further, the outer jacket is provided with a second water pipe joint communicating with the water outlet hole.

[0023] In the above technical solution, the vacuum sizing sleeve provided by the present application has the following beneficial effects:

[0024] The water distribution cavity structure enables the cooling water to be distributed into the sealing cavity in a linear plane and flow along the circumferential direction of the sealing cavity during the process of entering the sealing cavity, so that the cooling water can be quickly distributed in the sealing cavity to avoid affecting the cooling effect, achieve uniform plane flow of the cooling water, and realize more uniform heat dissipation effect. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0026] Fig. 1 A structure diagram of a vacuum sizing sleeve provided by the present application embodiment is shown in the figure.

[0027] Fig. 2 A structure diagram of a cooling ring structure of a vacuum sizing sleeve provided by the present application embodiment is shown in the figure.

[0028] Fig. 3 A front view of a cooling ring structure of a vacuum sizing sleeve provided by the present application embodiment is shown in the figure.

[0029] BRIEF DESCRIPTION OF DRAWINGS

[0030] 1, vacuum sizing sleeve body; 2, flange plate; 3, outer jacket; 4, sealing cavity; 5, water distribution cavity; 6, water distribution port; 7, water outlet hole; 8, first water pipe joint; 9, second water pipe joint. DETAILED DESCRIPTION

[0031] In order to make those skilled in the art better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the drawings.

[0032] Please refer to Figs. 1-3 A vacuum sizing sleeve, comprising:

[0033] Vacuum sizing sleeve body 1, the vacuum sizing sleeve body 1 is a conventional vacuum sizing sleeve used in the prior art, one end of the vacuum sizing sleeve body 1 is provided with a flange plate 2 for assembly and use;

[0034] The outer side of the end of the vacuum sizing sleeve body 1 having the flange plate 2 is provided with a cooling ring structure for cooling the vacuum sizing sleeve body 1;

[0035] The cooling ring structure comprises:

[0036] Outer jacket 3, the outer jacket 3 is arranged on the outer side surface of the end of the vacuum sizing sleeve body 1 having the flange plate 2, and the outer jacket 3 and the vacuum sizing sleeve body 1 form an annular sealing cavity 4 therebetween, the sealing cavity 4 is used to load cooling water or cooling liquid; and

[0037] The water distribution cavity structure is arranged outside the outer jacket 3 to distribute the cooling water into the sealed cavity 4 in a linear plane form and flow in the circumferential direction of the sealed cavity 4. The water distribution cavity structure distributes the cooling water into the sealed cavity in a linear plane form and flow in the circumferential direction of the sealed cavity to quickly fill the cooling water in the sealed cavity, so as to avoid affecting the cooling effect, achieve the uniform plane flow of the cooling water, and realize more uniform heat dissipation effect and better heat dissipation effect.

[0038] Further, the water distribution cavity structure comprises:

[0039] The water distribution cavity 5 is a strip-shaped cavity structure arranged on the outer surface of the outer jacket 3, and the water distribution cavity 5 of the strip-shaped cavity structure is arranged in the axial direction of the outer jacket 3.

[0040] The water distribution port 6 is arranged on the outer jacket 3 and communicates with the water distribution cavity 5.

[0041] The water outlet hole 7 is arranged on the outer jacket 3 and located outside the water distribution cavity 5.

[0042] Specifically, the water distribution cavity 5 communicates with the water distribution cavity 5 through the water distribution port 6, and the cooling water in the water distribution cavity 5 is distributed into the sealed cavity 4 in the outer jacket 3 through the water distribution port 6, and flows around in the sealed cavity 4 to achieve the cooling effect and then is discharged from the sealed cavity 4 through the water outlet hole 7.

[0043] Further, the water distribution port 6 is arranged in a linear strip shape and extends in the axial direction of the outer jacket 3 to make the cooling water be distributed into the sealed cavity 4 in a linear plane form through the water distribution port 6 and flow in the circumferential direction of the sealed cavity 4. Specifically, the cooling water first fills the water distribution cavity 5 to reserve sufficient cooling water, and then enters the water distribution port 6 in a linear strip shape, so that the cooling water is distributed into the sealed cavity 4 in a linear plane form through the shape of the water distribution port 6 and flows in the circumferential direction of the sealed cavity 4 in the process of entering the sealed cavity 4 under high pressure. In this way, the cooling water can be quickly filled in the sealed cavity to avoid affecting the cooling effect, achieve the uniform plane flow of the cooling water, realize more uniform heat dissipation effect, and achieve better heat dissipation effect.

[0044] Further, the water distribution port 6 extends into the sealed cavity 4 in the radial direction of the outer jacket 3 in a direction deviating from the axis of the outer jacket 3.

[0045] Further, the water outlet hole 7 extends into the sealed cavity 4 in the radial direction of the outer jacket 3 in a direction deviating from the axis of the outer jacket 3 and opposite to the extension direction of the water distribution port 6.

[0046] Specifically, taking the example that the water distribution port 6 enters the sealing cavity 4 along the left side of the outer jacket 3 in the radial direction, the water outlet hole 7 enters the sealing cavity 4 along the right side of the outer jacket 3 in the radial direction, as shown in Fig. 2 so as to match the water flow direction and make the cooling liquid entering the sealing cavity 4 through the water distribution port 6 in the form of a line surface more easily.

[0047] Further, the water distribution cavity 5 is provided with a first water pipe joint 8 connected with the water distribution cavity 5 on one side, so that the external water injection equipment can be connected with the first water pipe joint 8 through a pipeline to inject water.

[0048] Further, the outer jacket 3 is provided with a second water pipe joint 9 connected with the water outlet hole 7, so that the external pipeline can be conveniently connected with the second water pipe joint 9 to drain water. The first water pipe joint 8 and the second water pipe joint 9 are both conventional water pipe joints used in the prior art, which will not be described here.

[0049] In summary, the device realizes the cooling water entering the sealing cavity in the form of a line surface and flowing along the circumferential direction of the sealing cavity, so as to quickly fill the cooling water in the sealing cavity and avoid affecting the cooling effect, so as to achieve the uniform flow of the cooling water and realize the more uniform heat dissipation effect and better heat dissipation effect.

[0050] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above description and drawings are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. A vacuum sizing sleeve characterized in that, The application relates to a vacuum sizing sleeve body (1) provided with a flange (2) at one end; a cooling ring structure is arranged on the outer side of the end of the vacuum sizing sleeve body (1) provided with the flange (2) to cool the vacuum sizing sleeve body (1); the cooling ring structure comprises an outer jacket (3) arranged on the outer side surface of the end of the vacuum sizing sleeve body (1) provided with the flange (2), and an annular sealing cavity (4) is formed between the outer jacket (3) and the vacuum sizing sleeve body (1); and a water distribution cavity structure is arranged on the outer side of the outer jacket (3) to distribute cooling water into the sealing cavity (4) in a linear plane form and make the cooling water flow in the circumferential direction of the sealing cavity (4). The water distribution cavity structure comprises a water distribution cavity (5) in the form of a strip-shaped cavity structure arranged on the outer side surface of the outer jacket (3), the water distribution cavity (5) of the strip-shaped cavity structure is arranged in the axial direction of the outer jacket (3); a water distribution port (6) is arranged on the outer jacket (3) and communicates with the water distribution cavity (5); and a water outlet hole (7) is arranged on the outer jacket (3) and located on the outer side of the water distribution cavity (5). The water distribution port (6) is arranged in the axial direction of the outer jacket (3) in the form of a line to make the cooling water distributed into the sealing cavity (4) in a linear plane form from the water distribution port (6) and flow in the circumferential direction of the sealing cavity (4). The water distribution port (6) is arranged in the radial direction of the outer jacket (3) and extends into the sealing cavity (4) in a direction deviating from the axis of the outer jacket (3). The water outlet hole (7) is arranged in the radial direction of the outer jacket (3) and extends into the sealing cavity (4) in a direction deviating from the axis of the outer jacket (3) and opposite to the extending direction of the water distribution port (6). One side of the water distribution cavity (5) is provided with a first water pipe joint (8) communicating with the water distribution cavity (5).

2. A vacuum sizing sleeve according to claim 1, characterized in that The outer jacket (3) is provided with a second water pipe joint (9) communicating with the water outlet hole (7). ​ ​ ​ 3. A vacuum sizing sleeve according to claim 2, wherein, ​ 4. A vacuum sizing sleeve according to claim 3, wherein, ​ 5. A vacuum sizing sleeve according to claim 4, wherein, ​ 6. A vacuum sizing sleeve according to claim 2, wherein, ​ 7. A vacuum sizing sleeve according to claim 2, wherein, ​

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