Split type sizing sleeve
By designing a split-type sizing sleeve, the problem of impurity accumulation and blockage in the cooling water jacket was solved, achieving convenient cleaning and stable cooling effect, and ensuring the dimensional accuracy of the pipe.
Patent Information
- Application Number
- CN202423310264.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The cooling water jacket of the existing sizing sleeve is prone to the accumulation of impurities after long-term use, which can lead to blockage and affect the cooling effect.
A split-type sizing sleeve was designed, with the cooling water jacket divided into two sections, including a first water jacket and a second water jacket. The second water jacket is detachable and equipped with a wiping ring and stabilizing components for easy cleaning.
This allows for easy cleaning of the cooling water jacket, avoids blockages, and ensures the stability of the cooling effect and the accuracy of the pipe dimensions.
Smart Images

Figure CN223590066U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of sizing sleeves, in particular to a split type sizing sleeve. BACKGROUND
[0002] The sizing sleeve is an important component for plastic pipe production, which mainly functions to ensure that the outer diameter or inner diameter of the pipe after cooling can reach the specified size tolerance range and obtain good surface quality during pipe extrusion molding.
[0003] However, during pipe extrusion molding, the pipe is high in temperature just after leaving the die, and needs to be cooled by a cooling water jacket to gradually harden and reach the required size accuracy and appearance quality.
[0004] For example, the patent with the publication number CN202412673U discloses a sizing sleeve for a single-screw plastic extruder, which is simple in structure and easy to operate, effectively improves the smoothness and ovality of the PE pipe, and ensures the outer diameter geometric size of the product.
[0005] In actual use of the sizing sleeve, the fluid needs to be cooled by the cooling water jacket, but impurities may accumulate in the water jacket after long-term use, causing blockage and affecting the cooling effect.
[0006] Therefore, it is necessary to provide a split type sizing sleeve to solve the above problems.
[0007] It should be noted that the above information disclosed in the background section is only used to understand the background technology of the concept of the application, and therefore, it can contain information that does not constitute prior art. SUMMARY
[0008] Based on the above problems existing in the prior art, the application aims to solve the problem of providing a split type sizing sleeve to solve the problem that impurities may accumulate in the water jacket after long-term use, causing blockage and affecting the cooling effect.
[0009] The technical solution adopted by the application to solve the technical problems is a split type sizing sleeve, which comprises:
[0010] The sizing sleeve comprises a fixing seat;
[0011] A cooling water jacket is installed on the outer side of the sizing sleeve, and the cooling water jacket comprises:
[0012] A first water jacket is installed on the fixing seat, and the first water jacket comprises:
[0013] A water inlet is installed on the upper end of the first water jacket;
[0014] A cover is threadedly connected to the other end of the first water jacket
[0015] A second water jacket is threadedly connected to the other end of the cover, and the second water jacket comprises:
[0016] A water outlet is mounted at the lower end of the second water jacket
[0017] Mounting seats are mounted at both ends of one side of the second water jacket
[0018] An extension rod is mounted on the mounting seat
[0019] A wiping ring is mounted on the extension rod
[0020] Further, one end of the fixing seat located inside the first water jacket is fixedly provided with a pipe, the pipe is hollow, a plurality of grooves are formed on the outer side of the pipe, a through hole is formed in the middle of the fixing seat, and the through hole of the fixing seat is in communication with the pipe.
[0021] Further, a channel is formed in the cover, the second water jacket is connected with the first water jacket through the cover, a heat exchange chamber is formed, and the wiping ring is arranged in close contact with the inner wall of the first water jacket.
[0022] Further, a stabilizing assembly is fixedly arranged on both sides of the cover, the stabilizing assembly comprises a plurality of stabilizing seats fixedly arranged on both sides of the cover, a sliding rod is fixedly arranged between every two groups of the stabilizing seats, and a sliding block is slidingly arranged on the sliding rod.
[0023] A stabilizing rod is hingedly connected to the sliding block, an arc-shaped clamping plate is fixedly arranged at the other end of the stabilizing rod, and the arc-shaped clamping plate is matched with the outer side of the second water jacket.
[0024] Further, a positioning bolt is threadedly arranged on the sliding block, the positioning bolt penetrates through the sliding block and is in contact with the sliding rod.
[0025] The split sizing sleeve provided by the application has the advantages that the two-segment detachable cooling water jacket is arranged, and the wiping ring is arranged in one of the cooling water jackets, so that the cleaning effect is achieved.
[0026] In addition to the purposes, features and advantages described above, the application has other purposes, features and advantages. The application will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0027] The drawings accompanying the specification are used to provide further understanding of the application, and the illustrative embodiments thereof, together with explanations of the application, serve to explain the application, and do not constitute an undue limitation on the application.
[0028] In the drawings:
[0029] Figure 1 The overall schematic diagram of the split sizing sleeve in the application;
[0030] Figure 2 The exploded schematic diagram of the split sizing sleeve in the application;
[0031] Figure 3 The schematic diagram of Figure 2 the sizing sleeve and the first water jacket in the application;
[0032] Figure 4 The schematic diagram of Figure 2 the second water jacket in the application;
[0033] Figure 5 The schematic diagram of Figure 2 the stabilizing assembly in the application;
[0034] In the drawings, various reference signs:
[0035] 1, sizing sleeve; 10, fixing seat; 11, pipeline; 12, groove; 2, cooling water jacket; 20, first water jacket; 201, water inlet; 21, second water jacket; 210, water outlet; 211, mounting seat; 212, extension rod; 213, wiping ring; 4, cover shell; 40, stabilizing assembly; 401, stabilizing seat; 411, sliding rod; 412, sliding block; 413, stabilizing rod; 414, arc-shaped clamping plate; 415, positioning bolt. DETAILED DESCRIPTION
[0036] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict. The application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0037] In order to enable persons skilled in the art to better understand the application scheme, the technical solutions in the embodiments of the application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, but not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by persons skilled in the art without creative labor should belong to the protection scope of the application.
[0038] As Figures 1-3As shown, this application provides a split sizing sleeve, including a sizing sleeve 1, which is set at the outlet of the mold to ensure that the outer diameter of the pipe reaches the predetermined standard. The sizing sleeve 1 includes a pipe 11, which is hollow to allow fluid to pass through smoothly. At the same time, multiple sets of grooves 12 are opened on the outside of the pipe 11 for subsequent cooling. A fixing seat 10 is fixedly set at one end of the pipe 11. A through hole is set in the middle of the fixing seat 10, which is connected to the pipe 11 so that the sizing pipe can be smoothly introduced.
[0039] like Figures 2-4 As shown, in order to effectively control the fluid temperature within a suitable range during the sizing process and prevent it from overheating and affecting the sizing operation, a cooling water jacket 2 is fixedly installed on the outside of the sizing sleeve 1. The cooling water jacket 2 includes a first water jacket 20 fixedly connected to the fixed base 10. The first water jacket 20 is installed on the outside of the pipe 11, and an inlet 201 is fixedly installed at the upper end of the first water jacket 20. The inlet 201 is used to introduce the cooling medium into the interior of the first water jacket 20.
[0040] Meanwhile, a cover 4 is threaded at the other end of the first water jacket 20. A channel is opened inside the cover 4, and the pipe 11 passes through this channel. At the other end of the channel inside the cover 4, a second water jacket 21 is threaded to the outside of the pipe 11. An outlet 210 is fixedly provided at the lower end of the second water jacket 21. The outlet 210 is used to discharge the cooling medium after heat exchange. Thus, the second water jacket 21 is connected to the first water jacket 20 through the cover 4, and a heat exchange chamber is formed. The pipe 11 of the sizing sleeve 1 is placed inside this chamber. The fluid inside the pipe 11 can be used for heat exchange through the multiple sets of grooves 12 opened on the outside of the pipe 11, thereby achieving the purpose of cooling. In this way, the fluid temperature is controlled within a suitable range during the sizing process.
[0041] like Figures 2-4 As shown, since the first water jacket 20 and the second water jacket 21 are connected by threads through the cover 4, the cooling water jacket 2 is divided into two sections, and the weight is divided into two parts. It can be easily installed by a single person. However, when the cooling water jacket 2 is used for a long time, impurities may accumulate inside, which may easily cause poor cooling effect. At this time, it can be disassembled into one section for subsequent cleaning.
[0042] Meanwhile, since the first water jacket 20 is generally fixed, in order to clean the inside of the first water jacket 20 while the second water jacket 21 is disassembled, an installation seat 211 is fixedly arranged at the upper and lower ends of one side of the second water jacket 21, the lower end of the installation seat 211 is fixedly arranged with an extension rod 212, the extension rod 212 extends into the inside of the first water jacket 20, and a wiping ring 213 is fixedly connected, the wiping ring 213 is arranged in close contact with the inner wall of the first water jacket 20, so that when the second water jacket 21 is rotated, the wiping ring 213 can be driven to slide along the inside of the first water jacket 20, and when the rotation is completed, the wiping ring 213 can be wiped in the inside of the first water jacket 20 by pulling the second water jacket 21;
[0043] Until the disassembly of the second water jacket 21 is completed, the subsequent cleaning of the second water jacket 21 can be performed, and finally the second water jacket 21 is connected with the first water jacket 20 through the cover shell 4;
[0044] As shown in Figure 2 and Figure 5 in order to stabilize the operation of the installed cooling water jacket 2, a stabilizing assembly 40 is arranged on both sides of the cover shell 4, the stabilizing assembly 40 includes a plurality of stabilizing seats 401 fixedly arranged on both sides of the cover shell 4, and a sliding rod 411 is fixedly arranged between every two groups of stabilizing seats 401, and a sliding block 412 is slidingly arranged on the sliding rod 411, so that the worker can manually push the sliding block 412 to slide along the sliding rod 411;
[0045] and a positioning screw 415 is threadedly arranged on the sliding block 412, the positioning screw 415 penetrates the sliding block 412 and is in contact with the sliding rod 411, so that when the worker pushes the sliding block 412 to the appropriate position, the positioning screw 415 can be rotated to lock the sliding block 412;
[0046] Meanwhile, a stabilizing rod 413 is hingedly arranged on the sliding block 412, the other end of the stabilizing rod 413 is fixedly arranged with an arc-shaped clamping plate 414, the arc-shaped clamping plate 414 is adapted to the outside of the second water jacket 21, so that when the second water jacket 21 is installed, the arc-shaped clamping plate 414 can be driven to closely contact the outside of the second water jacket 21 by pushing the stabilizing rods 413 on both sides, thereby achieving the purpose of stabilizing the second water jacket 21.
[0047] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. Split sizing sleeve, characterized in that: The utility model relates to a kind of cooling water jacket, including: Sizing bush (1), sizing bush (1) includes fixed seat (10); Cooling water jacket (2), the cooling water jacket (2) is installed outside the sizing bush (1), the cooling water jacket (2) includes: First water jacket (20), the first water jacket (20) is installed on the fixed seat (10), the first water jacket (20) includes: Water inlet (201), the water inlet (201) is installed on the first water jacket (20) upper end; Cover (4), the cover (4) is threadedly connected in the other end of the first water jacket (20) Second water jacket (21), the second water jacket (21) is threadedly connected in the other end of the cover (4), the second water jacket (21) includes: Water outlet (210), the water outlet (210) is installed in the second water jacket (21) lower end; Mounting seat (211), the mounting seat (211) is installed in both ends of the one side of the second water jacket (21); Extension rod (212), the extension rod (212) is installed on the mounting seat (211); Wiping ring (213), the wiping ring (213) is installed on the extension rod (212).
2. The split sizing sleeve of claim 1, wherein: The fixed seat (10) is located in one end inside the first water jacket (20) and is fixedly provided with pipe (11), the pipe (11) is hollow, a plurality of grooves (12) are formed on the outside of the pipe (11), and a through hole is formed in the middle of the fixed seat (10), which is in communication with the pipe (11).
3. The split sizing sleeve of claim 1 wherein: The cover (4) is internally provided with a passage, the second water jacket (21) is connected with the first water jacket (20) through the cover (4), forming a heat exchange chamber, and the wiping ring (213) is arranged in close contact with the inner wall of the first water jacket (20).
4. The split sizing sleeve of claim 1 wherein: The cover (4) is fixedly provided with a stabilizing assembly (40) on both sides, the stabilizing assembly (40) includes a plurality of stabilizing seats (401) fixedly arranged on both sides of the cover (4), a sliding rod (411) is fixedly arranged between every two groups of the stabilizing seats (401), and a sliding block (412) is slidably arranged on the sliding rod (411). The sliding block (412) is hingedly connected with a stabilizing rod (413), the other end of the stabilizing rod (413) is fixedly provided with an arc-shaped clamping plate (414), and the arc-shaped clamping plate (414) is matched with the outside of the second water jacket (21).
5. The split sizing sleeve of claim 4, wherein: The sliding block (412) is threadedly provided with a positioning bolt (415), the positioning bolt (415) penetrates the sliding block (412) and is in contact with the sliding rod (411).
Citation Information
Patent Citations
Sizing sleeve for single-screw plastic extruder
CN202412673U