CN215040145U - Sizing sleeve of plastic pipe die - Google Patents
Sizing sleeve of plastic pipe die Download PDFInfo
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- CN215040145U CN215040145U CN202120303925.9U CN202120303925U CN215040145U CN 215040145 U CN215040145 U CN 215040145U CN 202120303925 U CN202120303925 U CN 202120303925U CN 215040145 U CN215040145 U CN 215040145U
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- water
- distribution ring
- hole
- water distribution
- sizing sleeve
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Abstract
The utility model discloses a sizing sleeve of a plastic pipe die, which comprises a sizing sleeve, a flange plate, a water distribution ring and a gland; the sizing sleeve is a sleeve-shaped part, a middle round hole is used for a pipe to pass through, a plurality of strip holes which are arranged in a staggered array are processed on the outer wall, and the strip holes are used for conducting an inner hole of the sizing sleeve with the outside; the water distribution ring is provided with a circular hole in the middle for a pipe to pass through, the outer circumference of the water distribution ring is provided with a water inlet, the left end face of the water distribution ring is provided with a water guide hole, the tail end of the water guide hole is communicated with the water inlet, the water inlet and the water guide hole are a pair, four pairs are arranged, the water inlet and the water guide hole are uniformly distributed along the circumferential direction of the water distribution ring, the left end face of the water distribution ring protrudes towards the left side to form a water baffle plate, the water baffle plates are four parts, the water baffle plates and the water guide hole are uniformly distributed along the circumference in a staggered mode, and the water distribution ring is provided with external threads; the utility model has the advantages that: water flow is uniformly distributed, the periphery of the pipe is uniformly cooled, and the cooling effect is good; the water flow is prevented from being directly sprayed to the surface of the pipe, and the surface quality is prevented from being damaged.
Description
Technical Field
The utility model belongs to the technical field of the plastic tubing production facility, concretely relates to plastics tubular product mould sizing cover.
Background
The sizing link in the production of plastic pipes is generally realized by a vacuum sizing sleeve which is mainly extruded
And (3) cooling the pipe blank extruded by the die, and fixing the outer diameter size of the pipe blank and finishing the roughness of the surface of the pipe.
The method is an important factor for limiting the production efficiency of the pipe, and if the pipe is required to be rapidly produced, good cooling and rapid cooling and shaping are required.
There is a problem in that if the cooling is to be performed rapidly, the flow rate of the cooling water must be increased. Increasing the water flow requires increasing the flow rate and water pressure of water, but the surface of the pipe is impacted and damaged due to the excessive water pressure and the excessive flow rate. The water pressure is only increased to increase the water quantity, so that a good cooling effect cannot be achieved, and the cooling effect on the pipe is poor if the water flow is not uniform. Resulting in local cold and local heat, affecting the quality of the pipe.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems that the water flow in the prior art is too large to impact the surface of the pipe, the water flow is not uniform, and the cooling effect on the pipe is not good, a plastic pipe mould sizing sleeve is provided.
A sizing sleeve of a plastic pipe die comprises a sizing sleeve, a flange plate, a water distribution ring and a gland;
the sizing sleeve is a sleeve-shaped part, a middle round hole is used for a pipe to pass through, a plurality of strip holes which are arranged in a staggered array are processed on the outer wall, and the strip holes are used for conducting an inner hole of the sizing sleeve with the outside;
the water distribution ring is provided with a circular hole in the middle for a pipe to pass through, the outer circumference of the water distribution ring is provided with a water inlet, the left end face of the water distribution ring is provided with a water guide hole, the tail end of the water guide hole is communicated with the water inlet, the water inlet and the water guide hole are a pair, four pairs are arranged, the water inlet and the water guide hole are uniformly distributed along the circumferential direction of the water distribution ring, the left end face of the water distribution ring protrudes towards the left side to form a water baffle plate, the water baffle plates are four parts, the water baffle plates and the water guide hole are uniformly distributed along the circumference in a staggered mode, and the water distribution ring is provided with external threads;
a through hole is formed in the middle of the gland for a pipe to pass through, a circular bulge is formed on the inner hole of the gland towards the inner oblique lower side to form a water control ring, the right end face of the water control ring is a water control surface, and an internal thread matched with the external thread of the water distribution ring is further processed on the gland;
a threaded mounting hole is formed in the water distribution ring, a through hole is formed in the flange plate, and a bolt is arranged from the side of the flange plate to fixedly connect the water distribution ring and the flange plate;
the left end of the sizing sleeve is inserted into the through hole of the water distribution ring and clamped on the step surface, and the annular water storage tank is sealed into a closed water storage space by the left end surface of the sizing sleeve;
the water flow enters a water storage cavity formed between the outer circumference of the left end of the sizing sleeve and the annular water storage groove of the water distribution ring through the second water inlet hole, and finally enters the annular water inlet groove and the thread groove through the water through holes;
the gland is installed on the external thread of the water distribution ring through the internal thread, the water control surface is matched with the left end surface of the water distribution ring, and the size of a gap between the water control surface and the left end surface of the water distribution ring is adjusted by screwing the thread between the gland and the water distribution ring, so that the size of water flow is adjusted.
Preferably, the side of the water control surface, which is far away from the middle shaft, of the plastic pipe die sizing sleeve is processed with an inclined chamfer to form a flow guide surface.
Preferably, the front end of the sizing sleeve of the plastic pipe mold is provided with an annular water inlet groove, a water through hole and a thread groove, the annular water inlet groove is formed in the inner hole wall of the left end of the sizing sleeve, the water through hole penetrates through the pipe wall of the sizing sleeve to communicate the outside with the annular water inlet groove, the thread groove is formed in the right side of the annular water inlet groove, and the starting section is communicated with the annular water inlet groove;
the middle of the water distribution ring is provided with a round hole for the pipe to pass through, the inner wall of the round hole in the middle is processed with an annular water storage tank, and the outer circumference of the water distribution ring is also processed with a second water inlet hole communicated with the annular water storage tank.
The utility model has the advantages that:
1. water flow is uniformly distributed, the periphery of the pipe is uniformly cooled, and the cooling effect is good;
2. the water flow is prevented from being directly sprayed to the surface of the pipe, and the surface quality is prevented from being damaged.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a gland structure according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a water distribution ring structure according to an embodiment of the present invention;
FIG. 4 is a front view of a water distribution ring according to an embodiment of the present invention;
fig. 5 is a right side view of the water distribution ring of the embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the drawings in the embodiments of the present invention.
As shown in figure 1, the sizing sleeve of the plastic pipe die comprises a sizing sleeve 1, a flange plate 2, a water distribution ring 3 and a gland 4.
The sizing sleeve 1 is a sleeve-shaped part, a middle round hole is used for a pipe to pass through, a plurality of strip holes 11 which are arranged in a staggered array mode are processed on the outer wall, an inner hole of the sizing sleeve 1 is communicated with the outside through the strip holes 11, an annular water inlet groove 13, a water through hole 14 and a thread groove 12 are processed at the front end of the sizing sleeve 1, the annular water inlet groove 13 is formed in the inner hole wall of the left end of the sizing sleeve 1, the water through hole 14 penetrates through the pipe wall of the sizing sleeve 1 to communicate the outside with the annular water inlet groove 13, the thread groove 12 is formed in the right side position of the annular water inlet groove 13, and the starting section is communicated with the annular water inlet groove 13;
as shown in fig. 3 and 4, a circular hole is formed in the middle of the water distribution ring 3 for a pipe to pass through, an annular water storage tank 35 is machined on the inner wall of the middle circular hole, water inlet holes 31 are machined in the outer circumference of the water distribution ring 3, water guide holes 32 are machined in the left end face of the water distribution ring 3, the tail end of each water guide hole 32 is communicated with the corresponding water inlet hole 31, two water inlet holes 31 and the corresponding water guide holes 32 are paired and are four pairs, the four pairs are uniformly distributed along the circumferential direction of the water distribution ring 3, a water baffle 36 is formed by protruding the left side of the left end face of the water distribution ring 3, the four water baffles 36 are uniformly distributed along the circumference in a staggered manner with the water guide holes 32, a second water inlet hole 33 communicated with the annular water storage tank 35 is further machined in the outer circumference of the water distribution ring 3, and external threads are machined on the water distribution ring 3;
as shown in fig. 2 and 4, a through hole is formed in the middle of the gland 4 for a pipe to pass through, an inner hole of the gland 4 is formed with a circular protrusion as a water control ring 41 at an inner oblique lower side, a right end face of the water control ring 41 is a water control surface 43, an oblique chamfer is processed at a side of the water control surface 43 away from the central axis to form a flow guide surface 42, and an internal thread matched with the external thread of the water distribution ring 3 is further processed on the gland 4;
as shown in fig. 1, a threaded mounting hole 34 is formed in the water distribution ring 3, a through hole is formed in the flange 2, and bolts are inserted from the side of the flange 2 to fixedly connect the water distribution ring 3 and the flange 2.
The left end of the sizing sleeve 1 is inserted into the through hole of the water distribution ring 3 and clamped on the step surface, and the annular water storage tank 35 is sealed into a closed water storage space by the left end surface of the sizing sleeve 1;
as shown in fig. 1, a sealing groove is also formed in the right end surface of the water distribution ring 3, and a sealing strip is disposed in the sealing groove.
As shown in fig. 1 and 3, water flows through the second water inlet hole 33 into a water storage cavity formed between the outer circumference of the left end of the sizing sleeve 1 and the annular water storage groove 35 of the water distribution ring 3, and the water flows through the water through hole 14 and finally enters the annular water inlet groove 13 and the thread groove 12 to perform water film type cooling on the outer wall of the pipe.
The gland 4 is arranged on the external thread of the water distribution ring 3 through the internal thread, the water control surface 43 is matched with the left end surface of the water distribution ring 3, and the gap between the water control surface 43 and the left end surface of the water distribution ring 3 is adjusted by screwing the thread between the gland 4 and the water distribution ring 3, so that the water flow is adjusted.
When the water cooling device is used, cooling water is injected through the water inlet hole 31, the size of the final water flow is controlled by adjusting the gland 4, and a proper water outlet speed is found to cool a pipe.
The water guide surface 42 forms an obtuse included angle with the right end face of the water control ring 41, guides the incoming water to the side far away from the central axis, fills the water storage cavity, and then flows into the surface of the pipe through the gap of the water control surface 43. Therefore, the water flow can be prevented from being directly sprayed out from the gap of the water control surface 43, and the impact force is too large to damage the surface quality of the pipe.
As shown in fig. 4 and 5, the water baffle 36 is shaped to fit the right end face of the water control ring 41 of the gland, and a small gap is formed between the water baffle and the water control ring, so that water flow is not easy to pass through. The water flow is divided equally into four zones by the water baffles 36. The water flow is uniformly distributed, the circumference of the pipe product is uniformly cooled, and the cooling quality is improved.
The water flow is guided to slow down the water flow speed and control the water flow to flow uniformly.
It is to be understood that although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A sizing sleeve of a plastic pipe die is characterized by comprising a sizing sleeve, a flange plate, a water distribution ring and a gland;
the sizing sleeve is a sleeve-shaped part, a middle round hole is used for a pipe to pass through, a plurality of strip holes which are arranged in a staggered array are processed on the outer wall, and the strip holes are used for conducting an inner hole of the sizing sleeve with the outside;
the water distribution ring is provided with a circular hole in the middle for a pipe to pass through, the outer circumference of the water distribution ring is provided with a water inlet, the left end face of the water distribution ring is provided with a water guide hole, the tail end of the water guide hole is communicated with the water inlet, the water inlet and the water guide hole are a pair, four pairs are arranged, the water inlet and the water guide hole are uniformly distributed along the circumferential direction of the water distribution ring, the left end face of the water distribution ring protrudes towards the left side to form a water baffle plate, the water baffle plates are four parts, the water baffle plates and the water guide hole are uniformly distributed along the circumference in a staggered mode, and the water distribution ring is provided with external threads;
a through hole is formed in the middle of the gland for a pipe to pass through, a circular bulge is formed on the inner hole of the gland towards the inner oblique lower side to form a water control ring, the right end face of the water control ring is a water control surface, and an internal thread matched with the external thread of the water distribution ring is further processed on the gland;
a threaded mounting hole is formed in the water distribution ring, a through hole is formed in the flange plate, and a bolt is arranged from the side of the flange plate to fixedly connect the water distribution ring and the flange plate;
the left end of the sizing sleeve is inserted into the through hole of the water distribution ring and clamped on the step surface, and the annular water storage tank is sealed into a closed water storage space by the left end surface of the sizing sleeve;
the water flow enters a water storage cavity formed between the outer circumference of the left end of the sizing sleeve and the annular water storage groove of the water distribution ring through the second water inlet hole, and finally enters the annular water inlet groove and the thread groove through the water through holes;
the gland is installed on the external thread of the water distribution ring through the internal thread, the water control surface is matched with the left end surface of the water distribution ring, and the size of a gap between the water control surface and the left end surface of the water distribution ring is adjusted by screwing the thread between the gland and the water distribution ring, so that the size of water flow is adjusted.
2. The plastic pipe die sizing sleeve of claim 1 wherein the side of the water control surface away from the central axis is chamfered to form a flow guide surface.
3. The plastic pipe mold sizing sleeve as recited in claim 1, wherein an annular water inlet groove, a water through hole and a thread groove are formed at the front end of the sizing sleeve, the annular water inlet groove is formed in the inner hole wall at the left end of the sizing sleeve, the water through hole penetrates through the pipe wall of the sizing sleeve to communicate the outside with the annular water inlet groove, the thread groove is formed at the right side position of the annular water inlet groove, and the initial section is communicated with the annular water inlet groove;
an annular water storage tank is processed on the inner wall of the middle round hole of the water distribution ring, and a second water inlet hole communicated with the annular water storage tank is processed on the outer circumference of the water distribution ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120303925.9U CN215040145U (en) | 2021-02-03 | 2021-02-03 | Sizing sleeve of plastic pipe die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120303925.9U CN215040145U (en) | 2021-02-03 | 2021-02-03 | Sizing sleeve of plastic pipe die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215040145U true CN215040145U (en) | 2021-12-07 |
Family
ID=79258666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120303925.9U Active CN215040145U (en) | 2021-02-03 | 2021-02-03 | Sizing sleeve of plastic pipe die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215040145U (en) |
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2021
- 2021-02-03 CN CN202120303925.9U patent/CN215040145U/en active Active
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