Precision high-efficiency tubing sizing sleeve
A sizing sleeve and high-efficiency technology, which is applied in the field of pipe sizing sleeves, can solve problems such as difficulty in forming precise dimensions, affecting the appearance quality of pipes, and slow cooling speed of sizing sleeves, so as to achieve stable and reliable cooling and sizing systems. High-speed and high-precision pipe production, good cooling effect
A sizing sleeve and high-efficiency technology, which is applied in the field of pipe sizing sleeves, can solve problems such as difficulty in forming precise dimensions, affecting the appearance quality of pipes, and slow cooling speed of sizing sleeves, so as to achieve stable and reliable cooling and sizing systems. High-speed and high-precision pipe production, good cooling effect
CN104669588AInactive Publication Date: 2015-06-03SHANGHAI JINHU EXTRUSION EQUIP
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[0023] A precise and efficient pipe sizing sleeve, its structure is as follows Figure 1-2 As shown, it includes a water distribution seat 1, a sizing sleeve 3 and a flange 2 connecting the water distribution seat 1 and the sizing sleeve 3. The water distribution seat 1 is provided with a water inlet joint 6 and a drainage joint 5, which are used for the entry and exit of cooling water. The cooling water enters the water distribution seat 1 through the water inlet joint 6, and an annular water ring is formed in the water distribution seat. The sleeve 3 is a single-walled metal pipe. The inner side of the pipe wall of the front section is provided with spiral grooves and densely covered with through holes, and the pipe wall of the rear section is provided with straight grooves. When in use, a water inlet valve 7 is also provided at the water inlet joint 6 to control the intake of cooling water, and a water outlet valve 4 is also provided at the water outlet joint 5 to control t...
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The invention relates to a precision high-efficiency tubing sizing sleeve. The precision high-efficiency tubing sizing sleeve comprises a water distribution base, a sizing sleeve and a flange connecting the water distribution base and the sizing sleeve, the water distribution base is provided with water inlet and outlet connectors for cooling water feeding and discharge, the cooling water enters into the water distribution base by the water inlet connector, a water ring is formed in the water distribution base, the sizing sleeve is a single-wall metal tube, the inner side of the front tube wall section is provided with a helical groove and is densely covered through holes, and the rear tube wall section is provided with a straight trough. Compared with the existing tubing sizing sleeve, the precision high-efficiency tubing sizing sleeve is suitable for pipe diameters phi of 16-1000, is suitable for production of tubes prepared from different plastic materials such as PVC and other materials, does not produce pipes with crinkles and nonuniform tube wall thickness in tube production, prevents adhesion of the tube blank to the tubing sizing sleeve, and realizes smooth outer tube walls and uniform wall thickness. The whole cooling sizing system is stable and reliable and guarantees high-rate high-precision tube production.
Description
technical field [0001] The invention relates to a plastic pipe production device assembly, in particular to a precise and efficient pipe sizing sleeve. Background technique [0002] At present, vacuum sizing sleeves are mostly used in the production of plastic pipes. The sizing sleeves sold on the market are generally copper sleeves with relatively simple structures. cool down. There are various design schemes for the sizing sleeve, but the design principle is mainly to ensure that the tube blank can be uniformly shaped and cooled. Blockage, the surface of the produced pipe has ripples, pits, and cracks, which seriously affect the appearance quality of the pipe. [0003] The Chinese patent application number 201220217315.8 discloses a PVC small-diameter pipe sizing die, which is used to solve the problems of slow cooling speed of the sizing sleeve, difficulty in forming the pipe, and difficulty in forming precise sizing. It consists of a connecting flange and a cooling ja...
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Patent Timeline
03 Jun 2015
Publication
CN104669588A
- IPC
- B29C47/90; B29C48/90
- CPC
- B29C48/903
- Inventors
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