Combined sizing sleeve

Abstract

The utility model provides a combined sizing sleeve, and relates to the technical field of pipe production, the combined sizing sleeve is provided with a supporting frame and a sizing die, the supporting frame is provided with a first flange, a second flange and a supporting rod, and the supporting rod is arranged between the first flange and the second flange; the sizing die is provided with a first die plate and a second die plate; sizing holes are formed in the first die plate and the second die plate; the first template is arranged on the first flange, and the second template is arranged on the second flange; the combined sizing sleeve is used for sizing an extruded pipe, the pipe penetrates through the sizing hole, and the sizing die is used for controlling the outer diameter of the pipe; the support frame is provided with the first template and the second template with different sizing holes, so that pipes of different models can be produced; the first mold plate and the second mold plate are both in the thick plate shape, materials are saved, the machining cost of the sizing mold can be reduced, and machining and storage are convenient.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of pipe production, and more particularly to a combined sizing sleeve. BACKGROUND

[0002] In the production process of plastic pipes, sizing sleeves are often used as mechanical accessories for pipe shaping. The sizing sleeve needs to be installed on the plastic pipe processing equipment for the shaping and cooling of the extruded pipe. The sizing sleeve directly affects the quality and appearance of the pipe.

[0003] The existing sizing sleeve mainly has the following disadvantages: the material of the sizing sleeve is mostly copper pipe, and the size is fixed. With the change of product demand, different lengths and diameters of sizing sleeves need to be customized for the production of pipes with different specifications and wall thicknesses, which greatly increases the production cost. In addition, the tubular sizing sleeve is not easy to store and transport. SUMMARY

[0004] The application aims to make up for the shortcomings of the prior art and provides a combined sizing sleeve. The technical scheme adopted by the application is:

[0005] A combined sizing sleeve is provided with a support frame and a sizing die. The support frame is provided with a first flange, a second flange and a support rod, and the support rod is arranged between the first flange and the second flange. The sizing die is provided with a first die plate and a second die plate, and both the first die plate and the second die plate are provided with sizing holes. The first die plate is arranged on the first flange, and the second die plate is arranged on the second flange.

[0006] Preferably, the first flange is provided with a first mounting groove, and the first die plate is arranged in the first mounting groove. The second flange is provided with a second mounting groove, and the second die plate is arranged in the second mounting groove.

[0007] Preferably, the first die plate and the first flange are connected by bolts, and the second die plate and the second flange are connected by bolts.

[0008] Preferably, the sizing die is further provided with an intermediate die plate, the intermediate die plate is arranged between the first die plate and the second die plate, the intermediate die plate is provided with a sizing hole, the support frame is provided with an intermediate flange, the intermediate die plate is arranged on the intermediate flange, and the intermediate flange is fixedly arranged on the support rod.

[0009] Preferably, the intermediate die plate is provided with a plurality of intermediate die plates and is uniformly distributed between the first die plate and the second die plate.

[0010] Preferably, a cooling mechanism is further provided, the cooling mechanism is provided with a cooling sleeve, the cooling sleeve is arranged between the first flange and the second flange, the two ends of the cooling sleeve abut against the inner sides of the first flange and the second flange respectively, the cooling sleeve is sealingly connected with the first flange, and the cooling sleeve is sealingly connected with the second flange. A cooling cavity is arranged in the cooling sleeve, and cooling water is arranged in the cooling cavity.

[0011] Preferably, the cooling mechanism is further provided with a water inlet channel, which is communicated with the cooling cavity; the water inlet channel is arranged in the first flange.

[0012] Preferably, the side surface of the cooling sleeve is provided with a water outlet.

[0013] The advantages of the present application are as follows:

[0014] The combined sizing sleeve is used for the sizing of extruded pipes, the pipe passes through the sizing hole, and the sizing die is used for controlling the outer diameter of the pipe; the support frame is provided with different first and second die plates for the sizing hole, so that pipes of different types can be produced; the first and second die plates are both in the form of thick plates, which saves materials and reduces the processing cost of the sizing die, and facilitates processing and storage. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1 is a schematic view of the sizing sleeve;

[0017] Figure 2 is a schematic view of the sizing sleeve from another angle;

[0018] Figure 3 is a schematic view of the first flange;

[0019] Figure 4 is a schematic view of the first flange from another angle;

[0020] Figure 5 is a schematic view of the intermediate flange;

[0021] Figure 6 is a schematic view of the intermediate flange from another angle;

[0022] Figure 7 is a schematic view of the second flange;

[0023] Figure 8 is a schematic view of the second die plate.

[0024] SYMBOL DESCRIPTION IN DRAWINGS:

[0025] 1 is the support frame, 11 is the first flange, 111 is the first mounting groove, 112 is the first sealing groove, 12 is the second flange, 121 is the second mounting groove, 122 is the second sealing groove, 13 is the support rod, 14 is the intermediate flange, 141 is the mounting groove, 142 is the upper sealing groove, and 143 is the lower sealing groove.

[0026] 2 is the sizing die, 21 is the first template, 22 is the second template, and 23 is the sizing hole;

[0027] 3 is the cooling mechanism, 31 is the cooling sleeve, 311 is the water outlet, and 32 is the water inlet channel. Detailed Implementation

[0028] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0029] The combined sizing sleeve provided in the embodiments of this application will now be described.

[0030] Example:

[0031] like Figures 1 to 8 As shown, a combined sizing sleeve is provided with a support frame 1 and a sizing mold 2. The support frame 1 is provided with a first flange 11, a second flange 12 and a support rod 13, and the support rod 13 is located between the first flange 11 and the second flange 12. The sizing mold 2 is provided with a first template 21 and a second template 22, and both the first template 21 and the second template 22 are provided with sizing holes 23. The first template 21 is located on the first flange 11 and the second template 22 is located on the second flange 12.

[0032] The combined sizing sleeve is used for shaping the extruded pipe. The pipe passes through the sizing hole 23, and the sizing die 2 is used to control the outer diameter of the pipe. The support frame 1 is equipped with different first templates 21 and second templates 22 for the sizing holes 23, so that different types of pipes can be produced. The first template 21 and the second template 22 are both in the form of thick plates, which saves materials, reduces the processing cost of the sizing die 2, and facilitates processing and storage.

[0033] In this embodiment, both the first template 21 and the second template 22 are made of metal materials such as copper and stainless steel, and there are 6 support rods 13.

[0034] The first flange 11 is provided with a first mounting groove 111, and the first template 21 is provided in the first mounting groove 111; the second flange 12 is provided with a second mounting groove 121, and the second template 22 is provided in the second mounting groove 121.

[0035] The first template 21 and the first flange 11 are connected by bolts, and the second template 22 and the second flange 12 are connected by bolts. In this embodiment, the first template 21 and the first flange 11 are both provided with bolt holes, and the bolts pass through the bolt holes and cooperate with nuts to press the first template 21 tightly in the first installation groove 111; the second template 22 and the second flange 12 are also both provided with bolt holes, and the bolts pass through the bolt holes and cooperate with nuts to press the second template 22 tightly in the second installation groove 121.

[0036] The sizing die 2 is also provided with an intermediate template, which is arranged between the first template 21 and the second template 22 and is provided with a sizing hole 23. The shapes and structures of the intermediate template, the first template 21 and the second template 22 are all the same.

[0037] The support frame 1 is provided with an intermediate flange 14, the intermediate template is arranged on the intermediate flange 14, and the intermediate flange 14 is arranged on the support rod 13, so that the installation is convenient.

[0038] The length of the processed pipe can be increased, and the intermediate templates can be selectively increased. The intermediate templates are arranged in multiple and uniformly distributed between the first template 21 and the second template 22; the intermediate templates are also provided with sizing holes 23, which can ensure that the outer diameters of the processed pipes are consistent.

[0039] The combined sizing sleeve is also provided with a cooling mechanism 3, which is provided with a cooling sleeve 31 arranged between the first flange 11 and the second flange 12. The two ends of the cooling sleeve 31 abut against the inner sides of the first flange 11 and the second flange 12 respectively. The cooling sleeve 31 is in sealing connection with the first flange 11, and the first flange 11 is provided with a first sealing groove 112. The cooling sleeve 31 is in sealing connection with the second flange 12, and the second flange 12 is provided with a second sealing groove 122. The two ends of the cooling sleeve 31 are inserted into the first sealing groove 112 and the second sealing groove 122 respectively. The cooling sleeve 31 is provided with a cooling cavity, and the cooling cavity is provided with cooling water. The pipe passes through the cooling cavity, and the cooling water can cool and cool the pipe.

[0040] In this embodiment, the intermediate flange 14 is arranged between the first flange 11 and the second flange 12, and the intermediate flange 14 divides the cooling sleeve 31 and the cooling cavity into two, and the two cooling cavities work independently, which can ensure the cooling effect.

[0041] The intermediate flange 14 is provided with an installation groove 141, an upper sealing groove 142 and a lower sealing groove 143. The intermediate template is installed in the installation groove 141. The upper sealing groove 142 is used to connect the upper cooling sleeve 31, and the lower sealing groove 143 is used to connect the lower cooling sleeve 32.

[0042] The cooling sleeve 31 is made of PP / PE or other hard plastic or other materials with certain strength and relatively low price, which can greatly reduce the production cost.

[0043] The cooling mechanism 3 is further provided with a water inlet channel 32, which is in communication with the cooling cavity; the water inlet channel 32 is arranged in the first flange 11. In this embodiment, the intermediate flange 14 is also provided with a water inlet channel 32.

[0044] The side surface of the cooling sleeve 31 is provided with a water outlet 311, and excess cooling water can flow out of the water outlet 311, which can promote the circulation of the cooling water and ensure the cooling effect.

[0045] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A combined sizing sleeve provided with a support frame and a sizing die, characterized in that: The support frame is provided with a first flange, a second flange and a support rod, the support rod is arranged between the first flange and the second flange; the sizing die is provided with a first die plate and a second die plate, the first die plate and the second die plate are both provided with sizing holes; the first die plate is arranged on the first flange, and the second die plate is arranged on the second flange.

2. The combination sizing sleeve of claim 1 wherein: The first flange is provided with a first mounting groove, and the first die plate is arranged in the first mounting groove; the second flange is provided with a second mounting groove, and the second die plate is arranged in the second mounting groove.

3. The combination sizing sleeve of claim 2 wherein: The first die plate and the first flange are connected by bolts, and the second die plate and the second flange are connected by bolts.

4. The combined sizing sleeve according to any one of claims 1 to 3, characterized in that: The sizing die is further provided with an intermediate die plate, the intermediate die plate is arranged between the first die plate and the second die plate, and the intermediate die plate is provided with sizing holes; the support frame is provided with an intermediate flange, the intermediate die plate is arranged on the intermediate flange, and the intermediate flange is fixedly arranged on the support rod.

5. The combination sizing sleeve of claim 4 wherein: The intermediate die plate is provided with a plurality of intermediate die plates and is uniformly distributed between the first die plate and the second die plate.

6. The combination sizing sleeve of any one of claims 1 to 3, wherein: A cooling mechanism is further arranged, the cooling mechanism is provided with a cooling sleeve, the cooling sleeve is arranged between the first flange and the second flange, two ends of the cooling sleeve are respectively abutted against the inner sides of the first flange and the second flange, the cooling sleeve is sealingly connected with the first flange, and the cooling sleeve is sealingly connected with the second flange; the cooling sleeve is provided with a cooling cavity, and the cooling cavity is provided with cooling water.

7. The assembly sleeve according to claim 6, characterized in that The cooling mechanism is further provided with a water inlet channel, the water inlet channel is communicated with the cooling cavity; and the water inlet channel is arranged in the first flange.

8. The assembly sleeve according to claim 7, characterized in that: A water outlet is arranged on the side surface of the cooling sleeve.

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