CN215040148U - Adjustable sizing sleeve for plastic pipe die - Google Patents
Adjustable sizing sleeve for plastic pipe die Download PDFInfo
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- CN215040148U CN215040148U CN202120321363.0U CN202120321363U CN215040148U CN 215040148 U CN215040148 U CN 215040148U CN 202120321363 U CN202120321363 U CN 202120321363U CN 215040148 U CN215040148 U CN 215040148U
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Abstract
The utility model discloses an adjustable sizing sleeve of a plastic pipe die, which comprises a sizing sleeve, a flange plate, a water distribution ring, a gland, an installation plate and an adjusting sleeve; 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 adjustable 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.
In addition, the vacuum-pumping grooves machined on the sizing sleeve are fixed in size, the size of the vacuum-pumping grooves cannot be adjusted according to actual conditions, and when the vacuum-pumping grooves are not suitable, only one set of new equipment can be replaced.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems that in the prior art, water flow is too large to impact the surface of a pipe, the water flow is not uniform, the cooling effect on the pipe is not good, and the size of a vacuum groove cannot be adjusted, an adjustable plastic pipe die sizing sleeve is provided.
An adjustable sizing sleeve of a plastic pipe die comprises a sizing sleeve, a flange plate, a water distribution ring, a gland, an installation plate and an adjusting sleeve;
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 installation disc is provided with a through hole, a step surface is arranged in the through hole and sleeved at the tail end of the sizing sleeve, the through hole is processed on the installation disc, the screw rod penetrates through the through hole on the installation disc, the tail end of the screw rod is in threaded connection with the flange plate, and the other end of the screw rod is fixed through a nut;
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 arranged 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;
the inner aperture of the adjusting sleeve is matched with the diameter of the outer circle of the sizing sleeve, a plurality of second strip holes which are the same in size and correspond to the positions of the sizing sleeve are machined in the adjusting sleeve, the tail end of the adjusting sleeve is provided with a mounting flange, the adjusting sleeve is sleeved on the sizing sleeve, the screw rod penetrates through a through hole in the mounting flange, and the position of the mounting flange is fixed through a nut.
Preferably, the adjustable plastic pipe die sizing sleeve is used for processing an inclined chamfer to form a flow guide surface on the side of the water control surface far away from the center shaft.
Preferably, the front end of the sizing sleeve of the adjustable 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, so that the surface quality is prevented from being damaged;
3. the gap of the vacuum groove can be adjusted, a proper working state is found, and the product quality is ensured.
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 according to the embodiment of the present invention;
fig. 6 is a schematic view of the adjusting sleeve according to 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 adjustable sizing sleeve for the plastic pipe die comprises a sizing sleeve 1, a flange plate 2, a water distribution ring 3, a gland 4, an installation plate 5 and an adjusting sleeve 6.
Sizing cover 1 is cover tube-shaped part, and middle round hole supplies tubular product to pass through, and processing has rectangular hole 11 that a plurality of crisscross arrays set up on the outer wall, and rectangular hole 11 switches on sizing cover 1's hole and external world, and annular intake chamber 13, limber hole 14 and thread groove 12 are processed to sizing cover 1's front end, annular intake chamber 13 is seted up on sizing cover 1's left end inner bore wall, limber hole 14 runs through sizing cover 1's pipe wall and communicates external world and annular intake chamber 13, thread groove 12 is seted up at annular intake chamber 13's right side position, initial section and annular intake chamber 13 intercommunication.
As shown in fig. 1, the mounting plate 5 is provided with a through hole, a step surface is arranged in the through hole, the step surface is sleeved at the tail end of the sizing sleeve 1, the through hole is processed on the mounting plate 5, the screw rod 51 penetrates through the tail end of the through hole on the mounting plate 5 to be in threaded connection with the flange plate 2, and the other end of the screw rod is fixed through a nut.
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.
The inner aperture of the adjusting sleeve 6 is matched with the diameter of the outer circle of the sizing sleeve 1, second strip-shaped holes with the same size as a plurality of positions on the sizing sleeve 1 are machined in the adjusting sleeve 6, a mounting flange 61 is arranged at the tail end of the adjusting sleeve 6, the adjusting sleeve 6 is sleeved on the sizing sleeve 1, and the screw rod 51 penetrates through a through hole in the mounting flange 61 and fixes the position of the mounting flange 61 through a nut.
It can be seen from the figure that the position relationship between the adjusting sleeve 6 and the sizing sleeve 1 is adjusted to make the strip hole 11 and the second strip hole in a staggered state, when the two are completely overlapped, the strip hole is in a completely opened state, and when the two are shielded in a staggered manner, the opening is reduced, so that the purpose of adjusting the size of the opening is achieved.
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. An adjustable sizing sleeve of a plastic pipe die is characterized by comprising a sizing sleeve, a flange plate, a water distribution ring, a gland, an installation plate and an adjusting sleeve;
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 installation disc is provided with a through hole, a step surface is arranged in the through hole and sleeved at the tail end of the sizing sleeve, the through hole is processed on the installation disc, the screw rod penetrates through the through hole on the installation disc, the tail end of the screw rod is in threaded connection with the flange plate, and the other end of the screw rod is fixed through a nut;
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 arranged 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;
the inner aperture of the adjusting sleeve is matched with the diameter of the outer circle of the sizing sleeve, a plurality of second strip holes which are the same in size and correspond to the positions of the sizing sleeve are machined in the adjusting sleeve, the tail end of the adjusting sleeve is provided with a mounting flange, the adjusting sleeve is sleeved on the sizing sleeve, the screw rod penetrates through a through hole in the mounting flange, and the position of the mounting flange is fixed through a nut.
2. The adjustable 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 adjustable plastic pipe die sizing sleeve as recited in claim 1, wherein an annular water inlet groove, a water through hole and a thread groove are formed in the front end of the sizing sleeve, 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 wall of the sizing sleeve to communicate the outside with the annular water inlet groove, the thread groove is formed in the right side position 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120321363.0U CN215040148U (en) | 2021-02-04 | 2021-02-04 | Adjustable sizing sleeve for plastic pipe die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120321363.0U CN215040148U (en) | 2021-02-04 | 2021-02-04 | Adjustable sizing sleeve for plastic pipe die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215040148U true CN215040148U (en) | 2021-12-07 |
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ID=79259136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120321363.0U Active CN215040148U (en) | 2021-02-04 | 2021-02-04 | Adjustable sizing sleeve for plastic pipe die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215040148U (en) |
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2021
- 2021-02-04 CN CN202120321363.0U patent/CN215040148U/en active Active
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