CN215040146U - Rotary adjustable sizing sleeve for uniformly cooling pipe die - Google Patents
Rotary adjustable sizing sleeve for uniformly cooling pipe die Download PDFInfo
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- CN215040146U CN215040146U CN202120319349.7U CN202120319349U CN215040146U CN 215040146 U CN215040146 U CN 215040146U CN 202120319349 U CN202120319349 U CN 202120319349U CN 215040146 U CN215040146 U CN 215040146U
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Abstract
The utility model discloses a rotary adjustable sizing sleeve for uniformly cooling a pipe die, which comprises a sizing sleeve, a flange plate, a water distribution ring, a gland 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; offer the round hole in the middle of the water distribution ring and supply tubular product to pass through to processing annular basin, the interior circumference department milling process of annular basin forms accuse level, the protruding first manger plate piece that forms in the outer circumference side direction of annular basin, the protruding second manger plate piece that forms in the interior circumference side direction of annular basin, first manger plate piece and second manger plate piece position are corresponding, leave certain clearance between the two, and two are a pair of, along evenly distributed on the circumference of annular basin, the beneficial effects of the utility model: 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 rotatory adjustable uniform cooling tubular product mould sizing cover.
Background
The sizing link in the production of plastic pipes is generally realized by adopting a vacuum sizing sleeve, and the sizing sleeve is mainly used for cooling a pipe blank extruded by an extrusion molding die, and fixing the outer diameter size of the pipe blank and finishing the roughness of the surface of the pipe blank.
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 a vacuum groove cannot be adjusted, the rotary adjustable uniform cooling pipe die sizing sleeve is provided.
A rotary adjustable sizing sleeve for uniformly cooling a pipe die comprises a sizing sleeve, a flange plate, a water distribution ring, a gland 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 round hole in the middle for a pipe to pass through, an annular water tank is processed, the inner circumference of the annular water tank is milled to form a water control plane, the outer circumference of the annular water tank is inwards protruded to form a first water retaining block, the inner circumference of the annular water tank is outwards protruded to form a second water retaining block, the first water retaining block and the second water retaining block are corresponding in position, a certain gap is reserved between the first water retaining block and the second water retaining block, the two water retaining blocks are a pair and are provided with four pairs, the four pairs are uniformly distributed along the circumference of the annular water tank, water inlet holes are processed on the water distribution ring and are communicated with the annular water tank, the four water inlet holes are uniformly distributed along the annular water tank, the water inlet holes are positioned in the middle positions of the two first water retaining blocks, and the water distribution ring is processed with an internal thread hole;
the middle of the gland is provided with a through hole for a pipe to pass through, the lower end of the gland is provided with a water control adjusting surface, the outer side of the water control adjusting surface protrudes downwards to form an annular water retaining ring, and the gland is also provided with an external thread matched with a threaded hole in the water distribution ring;
a threaded 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;
processing threads on an inner hole of the flange plate, processing external threads on the sizing sleeve, and connecting the sizing sleeve with the flange plate through threads;
the gland is arranged on the external thread of the water distribution ring through the internal thread, the water retaining ring extends into the annular water tank and is positioned in a gap between the first water retaining block and the second water retaining block, and the water control plane is matched with the water control adjusting plane;
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 as the sizing sleeve in size and correspond to the upper positions of the sizing sleeve are machined in the adjusting sleeve, the adjusting sleeve is sleeved on the sizing sleeve, a threaded hole is formed in the adjusting sleeve, a screw is arranged in the threaded hole, and the tail end of the screw tightly pushes the outer cylindrical surface of the sizing sleeve to be fixed.
On the basis of the scheme, an annular water inlet groove, a water through hole and a thread groove are processed at 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 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;
a second water inlet hole is also processed on the outer side of the water distribution ring and is communicated with an inner hole of the water distribution ring;
a gap is reserved between the outer circumference of the left end of the sizing sleeve and the inner hole of the water distribution ring, and the flange plate seals the gap to form a closed water storage cavity.
Preferably, the water retaining gasket is mounted on the water control plane, and the outer circumference of the water retaining gasket extends into the annular water 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 size of the vacuum groove can be adjusted, the most appropriate 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 FIG. 3;
fig. 5 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 rotary adjustable sizing sleeve for the uniform cooling pipe die comprises a sizing sleeve 1, a flange plate 2, a water distribution ring 3, a gland 4 and an adjusting sleeve.
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 tank 31 is processed, a water control plane 39 is formed by milling the inner circumference of the annular water tank 31, a first water retaining block 33 is formed by inward protruding the outer circumference of the annular water tank 31, a second water retaining block 38 is formed by outward protruding the inner circumference of the annular water tank 31, the first water retaining block 33 and the second water retaining block 38 are opposite in position, a certain gap is left between the first water retaining block 33 and the second water retaining block 38, two water retaining blocks are a pair, four pairs are arranged, and are uniformly distributed along the circumference of the annular water tank 31, water inlet holes 34 are processed in the water distribution ring 3, the water inlet holes 34 are communicated with the annular water tank 31, the four water inlet holes 34 are uniformly distributed along the annular water tank 31, the water inlet holes 34 are located at the middle positions of the two first water retaining blocks 33, an internal thread hole is processed in the water distribution ring 3, a second water inlet hole 35 is processed outside the water distribution ring 3, the second water inlet hole 35 is communicated with an inner hole of the water distribution ring 3;
as shown in fig. 2 and 5, a through hole is formed in the middle of the gland 4 for a pipe to pass through, the lower end of the gland 4 is provided with a water control adjusting surface 43, the outer side of the water control adjusting surface 43 protrudes downwards to form an annular water retaining ring 42, an inner hole 41 of the gland 4 is chamfered inwards and obliquely downwards, and the gland 4 is further provided with an external thread matched with the internal thread hole of the water distribution ring 3;
as shown in figure 1, threaded holes are processed on the water distribution ring 3, through holes are processed on the flange plate 2, and bolts are arranged from the side of the flange plate 2 to fixedly connect the water distribution ring 3 with the flange plate 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;
the inner hole of the flange plate 2 is processed with threads, the sizing sleeve 1 is processed with external threads, and the sizing sleeve 1 is connected with the flange plate 2 through threads;
as shown in figure 1, a gap is arranged between the outer circumference of the left end of the sizing sleeve 1 and an inner hole of the water distribution ring 3, the gap between the sizing sleeve and the inner hole is blocked by the flange 2 to form a closed water storage cavity, a sealing groove is also processed on the end surface of the water distribution ring 3, and a sealing strip is arranged in the sealing groove.
As shown in figure 1, water flow enters a water storage cavity formed between the outer circumference of the left end of the sizing sleeve 1 and the inner hole of the water distribution ring 3 through the second water inlet hole 35, and finally enters the annular water inlet groove 13 and the thread groove 12 through the water through hole 14 to carry out 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 43, the water retaining ring 42 extends into the annular water tank 31 and is positioned in the gap between the first water retaining block 33 and the second water retaining block 38, the water control plane 39 is matched with the water control adjusting plane 43, and the gap between the water control plane 39 and the water control adjusting plane 43 is adjusted by screwing the thread between the gland 4 and the water distribution ring 3, so that the water flow is adjusted.
As shown in fig. 5, the inner diameter of the adjusting sleeve 6 is adapted to the diameter of the outer circle of the sizing sleeve 1, a plurality of second strip holes with the same size as the sizing sleeve 1 in corresponding position are processed on the adjusting sleeve 6, the adjusting sleeve 6 is sleeved on the sizing sleeve 1, a threaded hole is formed in the adjusting sleeve 6, a screw 61 is arranged in the threaded hole, and the tail end of the screw 61 tightly pushes the outer cylindrical surface of the sizing sleeve 1 for fixation.
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.
The length of the leaked elongated hole 11 can be adjusted by rotating the positional relationship of the adjustment sleeve 6.
It will be appreciated that the length direction and the rotation angle direction may also be combined. After the adjustment is carried out to a proper position, the adjustment range is wider by fixing and positioning the screw 61.
When the water cooling device is used, cooling water is injected through the water inlet hole 34, the size of the final water flow is controlled by adjusting the gland 4, the proper water outlet speed is found, and the pipe is cooled.
The water retaining gasket 38 is installed on the water control plane 39, the outer circumference of the water retaining gasket extends into the annular water tank 31, the cooling water in the annular water tank is shielded and buffered for the second time, and the local speed of the water flow is slowed down to be too high, so that the surface of the pipe is impacted.
Water sprayed out through the water inlet holes 34 firstly passes through the shielding effect of the water retaining ring 42, so that the impact of water flow is reduced, and the high-speed high-pressure water is prevented from being directly sprayed to the surface of the pipe to damage the surface of the pipe.
As shown in fig. 4, the first water stopper 33 and the second water stopper 38 divide the annular water tank 31 into four regions equally, and the gap between the two regions is very small after the water stopper ring 42 is installed, and the water flow is not easy to pass through. Through this kind of mode, carry out the subregion to the basin, such intaking can be more even controllable, and the cooling effect is better, and is more even, can effectively improve cooling rate, improves production efficiency.
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 rotary adjustable sizing sleeve for uniformly cooling a pipe die is characterized by comprising a sizing sleeve, a flange plate, a water distribution ring, a gland 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 round hole in the middle for a pipe to pass through, an annular water tank is processed, the inner circumference of the annular water tank is milled to form a water control plane, the outer circumference of the annular water tank is inwards protruded to form a first water retaining block, the inner circumference of the annular water tank is outwards protruded to form a second water retaining block, the first water retaining block and the second water retaining block are corresponding in position, a certain gap is reserved between the first water retaining block and the second water retaining block, the two water retaining blocks are a pair and are provided with four pairs, the four pairs are uniformly distributed along the circumference of the annular water tank, water inlet holes are processed on the water distribution ring and are communicated with the annular water tank, the four water inlet holes are uniformly distributed along the annular water tank, the water inlet holes are positioned in the middle positions of the two first water retaining blocks, and the water distribution ring is processed with an internal thread hole;
the middle of the gland is provided with a through hole for a pipe to pass through, the lower end of the gland is provided with a water control adjusting surface, the outer side of the water control adjusting surface protrudes downwards to form an annular water retaining ring, and the gland is also provided with an external thread matched with a threaded hole in the water distribution ring;
a threaded 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;
processing threads on an inner hole of the flange plate, processing external threads on the sizing sleeve, and connecting the sizing sleeve with the flange plate through threads;
the gland is arranged on the external thread of the water distribution ring through the internal thread, the water retaining ring extends into the annular water tank and is positioned in a gap between the first water retaining block and the second water retaining block, and the water control plane is matched with the water control adjusting plane;
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 as the sizing sleeve in size and correspond to the upper positions of the sizing sleeve are machined in the adjusting sleeve, the adjusting sleeve is sleeved on the sizing sleeve, a threaded hole is formed in the adjusting sleeve, a screw is arranged in the threaded hole, and the tail end of the screw tightly pushes the outer cylindrical surface of the sizing sleeve to be fixed.
2. The rotary adjustable uniform cooling 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 at 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 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 position of the annular water inlet groove, and the initial section is communicated with the annular water inlet groove;
a second water inlet hole is also processed on the outer side of the water distribution ring and is communicated with an inner hole of the water distribution ring;
a gap is reserved between the outer circumference of the left end of the sizing sleeve and the inner hole of the water distribution ring, and the flange plate seals the gap to form a closed water storage cavity.
3. The rotary adjustable uniform cooling tube die sizing sleeve as recited in claim 1 wherein the water deflector is mounted on a water control surface with an outer circumference extending into the annular water trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120319349.7U CN215040146U (en) | 2021-02-04 | 2021-02-04 | Rotary adjustable sizing sleeve for uniformly cooling pipe die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120319349.7U CN215040146U (en) | 2021-02-04 | 2021-02-04 | Rotary adjustable sizing sleeve for uniformly cooling pipe die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215040146U true CN215040146U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120319349.7U Active CN215040146U (en) | 2021-02-04 | 2021-02-04 | Rotary adjustable sizing sleeve for uniformly cooling pipe die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215040146U (en) |
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2021
- 2021-02-04 CN CN202120319349.7U patent/CN215040146U/en active Active
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