CN209869381U - Device for rounding port of thick-wall polyethylene pipe - Google Patents
Device for rounding port of thick-wall polyethylene pipe Download PDFInfo
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- CN209869381U CN209869381U CN201920411437.2U CN201920411437U CN209869381U CN 209869381 U CN209869381 U CN 209869381U CN 201920411437 U CN201920411437 U CN 201920411437U CN 209869381 U CN209869381 U CN 209869381U
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- rotating disc
- disc
- rounding
- limiting
- shaft section
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Abstract
A device for whole circle of thick wall polyethylene pipe port belongs to tubular product processing technology field, and aim at solves the whole circle inefficiency that prior art exists, occupies artifical many and the long problem of consuming time. The utility model comprises a plurality of groups of rounding mechanisms, an inner rotary disk and an outer rotary disk which are coaxially arranged; the inner rotating disc is of a cylindrical structure with a stepped outer surface and comprises a large-size shaft section and a small-size shaft section, and a plurality of radial limiting holes are uniformly distributed on the circumference of the small-size shaft section; the outer rotary disc is of a straight cylindrical structure, the outer rotary disc is in rotating fit with the small-size shaft section of the inner rotary disc relatively, a plurality of grooves which are in one-to-one correspondence with the limiting holes of the inner rotary disc are uniformly distributed on the circumference of the inner cylindrical surface of the outer rotary disc, at least one side wall from the bottom of each groove to the top of each convex is of an inclined structure, the width of the bottom of each groove is smaller than that of each convex, and the tops of the convex grooves are in contact with the outer cylindrical surface of the inner rotary disc; the multiple groups of rounding mechanisms respectively penetrate through the limiting holes to be in contact with the inclined side walls of the grooves, and the inner rotating disc and the outer rotating disc are rotated relatively to enable the rounding mechanisms to move along the radial direction.
Description
Technical Field
The utility model belongs to the technical field of the tubular product processing, concretely relates to a device that is used for whole circle of thick wall polyethylene pipe end mouth.
Background
Polyethylene pipeline development has been over 50 years old so far, and the polyethylene pipeline is widely applied to the fields of urban water supply, farmland irrigation, fuel gas transmission and distribution and the like due to the unique advantages of the polyethylene pipeline, namely no toxicity, no harm, high strength, high toughness and aging resistance. The large-caliber thick-wall PE pipe needs to be subjected to rounding treatment on the port part before butt welding, otherwise, the pipe port can have edge misalignment, if the edge misalignment exceeds 10%, the flanging is asymmetric, the strength of the pipe joint is reduced greatly, and the potential safety hazard of a pipeline system is caused. The existing rounding method for thick-wall PE pipes before welding is to arrange a jack in the pipe port and round the pipe port by the aid of the propping action of the jack. This conventional method has the following problems: one is as follows: only one point of the PE pipe can be adjusted each time, so that the rounding efficiency is low, and the construction progress is influenced; the second step is as follows: two workers are required to be arranged inside and outside the pipe respectively to complete the rounding, and the occupied man-hour is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device that is used for whole circle of thick wall polyethylene pipe port, solve the whole circle inefficiency that prior art exists, occupy artifical many and the long problem of time consuming.
In order to achieve the purpose, the device for rounding the thick-wall polyethylene pipe port comprises a plurality of groups of rounding mechanisms, and an inner rotating disc and an outer rotating disc which are coaxially arranged;
the inner rotating disc is of a cylindrical structure with a stepped outer surface and comprises a large-size shaft section and a small-size shaft section, and a plurality of radial limiting holes are uniformly distributed on the circumference of the small-size shaft section;
the outer rotary disc is of a straight cylindrical structure, the outer rotary disc is matched with the small-size shaft section of the inner rotary disc in a rotating mode, a plurality of grooves which are opposite to the limiting holes of the inner rotary disc one by one are uniformly distributed on the circumference of the inner cylindrical surface of the outer rotary disc, at least one side wall from the bottom of each groove to the top of each convex part is of an inclined structure, the width of the bottom of each groove is smaller than that of each convex part, and the convex top of each groove is in contact with the outer cylindrical surface of the inner rotary disc;
the multiple groups of rounding mechanisms respectively penetrate through the limiting holes to be in contact with the inclined side walls of the grooves, and the inner rotating disc and the outer rotating disc are rotated relatively to enable the rounding mechanisms to move along the radial direction.
Each group of rounding mechanisms comprises:
the limiting sleeve is fixed in the limiting hole;
the rubber block is arranged in a central hole of the inner rotating disc and comprises an inner arc surface and an outer arc surface along the diameter direction;
the fixing plate is fixedly connected with the outer cambered surface;
one end of the sliding pin is connected with the fixing plate, the sliding pin penetrates through the limiting sleeve to be contacted with the inclined side wall of the groove, and the structure of the sliding pin in the limiting sleeve is a stepped structure;
and the spring is sleeved on the sliding pin, two ends of the spring are respectively contacted with the stepped shaft end of the sliding pin and the end part of the limiting sleeve, and the limiting sleeve slides towards the center of the inner rotating disc to apply pressure to the spring.
The port rounding device also comprises a limiting disc which is coaxially arranged with the inner rotating disc, and the limiting disc is fixedly connected with the end part of the small-size shaft section of the inner rotating disc; and two end faces of the outer rotating disc are respectively contacted with the end face of the limiting disc and the end face of the large-size shaft section of the inner rotating disc.
The end face of the outer rotating disc in contact with the limiting disc is further circumferentially and uniformly provided with a plurality of threaded holes, through holes are formed in the limiting disc and in positions corresponding to the circumferences where the threaded holes are located, and a fastening bolt penetrates through the through holes in the limiting disc and is in threaded connection with one of the threaded holes.
The limiting disc is connected with the small-size shaft section of the inner rotating disc through a fixing bolt.
The inner rotating disc further comprises an inner rotating handle arranged on the outer side of the inner rotating disc, and the inner rotating handle comprises an inner rotating ring and a plurality of inner rotating connectors, wherein the inner rotating ring is coaxially arranged with the inner rotating disc, and the plurality of inner rotating connectors are uniformly distributed on the circumference between the inner rotating ring and a large-size shaft section of the inner rotating disc.
The outer rotating disc further comprises an outer rotating handle arranged on the outer side of the outer rotating disc, and the outer rotating handle comprises an outer rotating ring and a plurality of outer rotating connectors, wherein the outer rotating ring is coaxially arranged with the outer rotating disc, and the plurality of outer rotating connectors are uniformly distributed on the circumference between the outer rotating ring and the outer rotating disc.
The utility model has the advantages that: the utility model discloses a polyethylene pipe stretches into interior capstan when being used for the device of whole circle of thick wall polyethylene pipe port, and relative rotation interior capstan and outer capstan, the sliding pin of whole circle mechanism inwards promotes the sliding pin under the effect of the lateral wall of the recess of outer capstan, and then promotes the block rubber and to the motion of center pin direction, and the block rubber of a plurality of circumference equipartitions is used in the polyethylene pipe altogether, reachs the purpose of multiple spot whole circle.
Drawings
FIG. 1 is a front sectional view of the whole structure of the device for rounding the ports of thick-walled polyethylene pipes;
FIG. 2 is a left side sectional view of the overall structure of the device for rounding the ports of thick-walled polyethylene pipes according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
wherein: 1. the inner rotating disc comprises an inner rotating disc body 101, an inner rotating handle 102, a limiting hole 2, an outer rotating disc body 201, an outer rotating handle 202, a groove 203, a convex top portion 204, a groove bottom portion 3, a limiting disc body 4, a rounding mechanism 401, a rubber block 402, an inner arc surface 403, an outer arc surface 404, a fixing plate 405, a sliding pin 406, a spring 407, a limiting sleeve 5, a fixing bolt 6, a locking bolt 7 and a polyethylene pipe.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Referring to the attached drawings 1-3, the device for rounding the thick-wall polyethylene pipe port comprises a plurality of groups of rounding mechanisms 4, and an inner rotating disc 1 and an outer rotating disc 2 which are coaxially arranged;
the inner rotating disc 1 is of a cylindrical structure with a stepped outer surface and comprises a large-size shaft section and a small-size shaft section, and a plurality of radial limiting holes 102 are uniformly distributed on the circumference of the small-size shaft section;
the outer rotating disc 2 is of a straight cylindrical structure, the outer rotating disc 2 is matched with the inner rotating disc 1 in a rotating mode relative to a small-size shaft section, a plurality of grooves 202 which are opposite to the limiting holes 102 of the inner rotating disc 1 in a one-to-one mode are uniformly distributed on the circumference of the inner cylindrical surface of the outer rotating disc 2, at least one side wall from the groove bottom 204 to the convex top 203 of each groove 202 is of an inclined structure, the width of the groove bottom 204 of each groove 202 is smaller than that of the convex top 203, and the convex top 203 of each groove 202 is in contact with the outer cylindrical surface of the inner rotating disc 1;
the multiple groups of rounding mechanisms 4 respectively penetrate through the multiple limiting holes 102 to be in contact with the inclined side walls of the grooves 202, and the inner rotating disc 1 and the outer rotating disc 2 are rotated relatively to enable the multiple rounding mechanisms 4 to move in the radial direction.
Each set of rounding mechanisms 4 comprises:
a limiting sleeve 407 fixed in the limiting hole 102;
the rubber block 401 is arranged in a central hole of the inner rotating disc 1, and the rubber block 401 comprises an inner arc surface 402 and an outer arc surface 403 in the diameter direction;
a fixing plate 404 fixedly connected with the outer arc surface 403;
a sliding pin 405 having one end connected to the fixing plate 404, wherein the sliding pin 405 passes through the position-limiting sleeve 407 and contacts with the inclined side wall of the groove 202, and the structure of the sliding pin 405 inside the position-limiting sleeve 407 is a stepped structure;
and a spring 406, wherein the spring 406 is sleeved on the sliding pin 405, two ends of the spring 406 are respectively contacted with the stepped shaft end of the sliding pin 405 and the end of the limiting sleeve 407, and the limiting sleeve 407 slides towards the center of the inner rotating disk 1 to apply pressure to the spring 406.
The port rounding device also comprises a limiting disc 3 which is coaxial with the inner rotating disc 1, and the limiting disc 3 is fixedly connected with the end part of the small-size shaft section of the inner rotating disc 1; two end faces of the outer rotating disc 2 are respectively contacted with the end face of the limiting disc 3 and the end face of the large-size shaft section of the inner rotating disc 1.
The end face of the outer rotating disc 2 contacted with the limiting disc 3 is further provided with a plurality of threaded holes uniformly distributed on the circumference, through holes are formed in the limiting disc 3 and correspond to the positions of the threaded holes on the circumference, and a fastening bolt penetrates through the through hole in the limiting disc 3 and is in threaded connection with one of the threaded holes.
The limiting disc 3 is connected with the small-size shaft section of the inner rotating disc 1 through a fixing bolt 5.
The internal rotating disk 1 further comprises an internal rotating handle 101 arranged on the outer side of the internal rotating disk 1, and the internal rotating handle 101 comprises an internal rotating ring coaxially arranged with the internal rotating disk 1 and a plurality of internal rotating connectors uniformly distributed on the circumference between the internal rotating ring and a large-size shaft section of the internal rotating disk 1.
The outer rotating disc 2 further comprises an outer rotating handle 201 arranged on the outer side of the outer rotating disc 2, and the outer rotating handle 201 comprises an outer rotating ring and a plurality of outer rotating connectors, wherein the outer rotating ring is coaxially arranged on the outer rotating disc 2, and the plurality of outer rotating connectors are uniformly distributed on the circumference between the outer rotating ring and the outer rotating disc 2.
The utility model discloses when using, insert the circular vestibule that the rubber sleeve formed with 7 tip of polyethylene pipe earlier, both hands operate internal rotation handle 101 and external rotation handle 201 respectively, because internal rotation handle 101 is fixed in on interior capstan 1, external rotation handle 201 is fixed in on the external capstan 2, internal rotation handle 101 and external rotation handle 201 of operation can make external capstan 2 rotatory to internal capstan 1 anticlockwise direction mutually, sliding pin 405 moves to protruding top 203 direction by being close to tank bottom 204 direction along the lateral wall of recess 202, thereby it exerts pressure to the polyethylene pipe 7 center along stop collar 407 to drive the slope lateral wall on the external capstan 2, the block rubber 401 that is fixed in sliding pin 405 tip is with even the exerting of pressure on polyethylene pipe 7 pipe wall. The rounding mechanisms 4 are uniformly distributed in the circumferential direction, so that the effect of uniformly applying pressure to the circumferential direction of the polyethylene pipe 7 for rounding is achieved. When the pressure reaches a certain degree and the rounding effect is expected, the locking bolt 6 is screwed to fix the relative positions of the inner rotating disc 1 and the outer rotating disc 2. After the rounding operation is completed, the locking bolts are loosened, the sliding pins 405 are returned outward by the springs 406, the rubber blocks 401 stop pressing the pipe wall, and the pipe can be withdrawn.
Claims (7)
1. The device for rounding the port of the thick-wall polyethylene pipe (7) is characterized by comprising a plurality of groups of rounding mechanisms (4), and an inner rotating disc (1) and an outer rotating disc (2) which are coaxially arranged;
the inner rotating disc (1) is of a cylindrical structure with a stepped outer surface and comprises a large-size shaft section and a small-size shaft section, and a plurality of radial limiting holes (102) are uniformly distributed on the circumference of the small-size shaft section;
the outer rotating disc (2) is of a straight cylindrical structure, the outer rotating disc (2) is in rotating fit with the small-size shaft section of the inner rotating disc (1) relatively, a plurality of grooves (202) which are opposite to the limiting holes (102) of the inner rotating disc (1) one by one are uniformly distributed on the circumference of the inner cylindrical surface of the outer rotating disc (2), at least one side wall from the groove bottom (204) to the convex top (203) of each groove (202) is of an inclined structure, the width of the groove bottom (204) of each groove (202) is smaller than that of the convex top (203), and the convex top (203) of each groove (202) is in contact with the outer cylindrical surface of the inner rotating disc (1);
the multiple groups of rounding mechanisms (4) respectively penetrate through the limiting holes (102) to be in contact with the inclined side walls of the grooves (202), and the inner rotating disc (1) and the outer rotating disc (2) are rotated relatively to enable the rounding mechanisms (4) to move in the radial direction.
2. Device for port rounding of thick-walled polyethylene pipes (7) according to claim 1, characterized in that each set of rounding mechanisms (4) comprises:
a limiting sleeve (407) fixed in the limiting hole (102);
the rubber block (401) is arranged in a central hole of the inner rotating disc (1), and the rubber block (401) comprises an inner arc surface (402) and an outer arc surface (403) along the diameter direction;
a fixing plate (404) fixedly connected with the outer arc surface (403);
a sliding pin (405) with one end connected with the fixing plate (404), wherein the sliding pin (405) passes through the limiting sleeve (407) and contacts with the inclined side wall of the groove (202), and the structure of the sliding pin (405) in the limiting sleeve (407) is a stepped structure;
and the spring (406) is sleeved on the sliding pin (405), two ends of the spring (406) are respectively contacted with the stepped shaft end of the sliding pin (405) and the end part of the limiting sleeve (407), and the limiting sleeve (407) slides towards the center of the inner rotating disc (1) to apply pressure to the spring (406).
3. The device for port rounding of thick-walled polyethylene pipe (7) according to claim 1 or 2, characterized in that the device for port rounding further comprises a limiting disc (3) coaxially arranged with the inner rotating disc (1), wherein the limiting disc (3) is fixedly connected with the end of the small-sized shaft section of the inner rotating disc (1); two end faces of the outer rotating disc (2) are respectively contacted with the end face of the limiting disc (3) and the end face of the large-size shaft section of the inner rotating disc (1).
4. The device for port rounding of the thick-walled polyethylene pipe (7) according to claim 3, characterized in that a plurality of threaded holes are uniformly distributed on the circumference of the contact end surface of the external rotating disc (2) and the limiting disc (3), through holes are arranged on the limiting disc (3) at positions corresponding to the circumferences of the threaded holes, and a fastening bolt penetrates through the through hole on the limiting disc (3) and is in threaded connection with one of the threaded holes.
5. Device for port rounding of thick-walled polyethylene pipe (7) according to claim 3, characterized in that the limiting disc (3) and the small-sized shaft section of the inner rotating disc (1) are connected by means of fixing bolts (5).
6. Device for port rounding of thick-walled polyethylene pipe (7) according to claim 1 or 2, characterized in that the inner spin (1) further comprises an inner spin handle (101) arranged outside the inner spin (1), the inner spin handle (101) comprising an inner spin ring arranged coaxially with the inner spin (1) and a plurality of circumferentially equispaced inner spin connectors connected between the inner spin ring and the large-sized axial section of the inner spin (1).
7. Device for port rounding of thick-walled polyethylene pipe (7) according to claim 1 or 2, characterized in that the swivel nut (2) further comprises a swivel nut handle (201) arranged outside the swivel nut (2), the swivel nut handle (201) comprising a swivel nut arranged coaxially with the swivel nut (2) and a plurality of swivel nut connectors connected between the swivel nut and the swivel nut (2) and evenly distributed circumferentially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920411437.2U CN209869381U (en) | 2019-03-28 | 2019-03-28 | Device for rounding port of thick-wall polyethylene pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920411437.2U CN209869381U (en) | 2019-03-28 | 2019-03-28 | Device for rounding port of thick-wall polyethylene pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209869381U true CN209869381U (en) | 2019-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920411437.2U Expired - Fee Related CN209869381U (en) | 2019-03-28 | 2019-03-28 | Device for rounding port of thick-wall polyethylene pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209869381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434082A (en) * | 2022-01-25 | 2022-05-06 | 浙江科特高温新材料有限公司 | Preparation equipment and process of anti-leakage air brick core brick |
-
2019
- 2019-03-28 CN CN201920411437.2U patent/CN209869381U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434082A (en) * | 2022-01-25 | 2022-05-06 | 浙江科特高温新材料有限公司 | Preparation equipment and process of anti-leakage air brick core brick |
| CN114434082B (en) * | 2022-01-25 | 2023-09-15 | 浙江科特高温新材料有限公司 | Preparation equipment and process of anti-leakage air brick core brick |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |