CN116787746A - Plastic pipe direct-pushing flaring die - Google Patents
Plastic pipe direct-pushing flaring die Download PDFInfo
- Publication number
- CN116787746A CN116787746A CN202211460202.5A CN202211460202A CN116787746A CN 116787746 A CN116787746 A CN 116787746A CN 202211460202 A CN202211460202 A CN 202211460202A CN 116787746 A CN116787746 A CN 116787746A
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- CN
- China
- Prior art keywords
- flaring
- module
- base
- control frame
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920003023 plastic Polymers 0.000 title claims abstract description 30
- 239000004033 plastic Substances 0.000 title claims abstract description 30
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 7
- 238000000429 assembly Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
- B29C57/02—Belling or enlarging, e.g. combined with forming a groove
- B29C57/04—Belling or enlarging, e.g. combined with forming a groove using mechanical means
Abstract
The utility model provides a plastics tubular product direct-push type flaring mould, its collapsible flaring subassembly, including outer flaring module, interior flaring module, the module control frame, the module connecting axle, the connecting rod, the slider, the flange, the base rear portion is equipped with the flange through bolted connection with the base, the base center is equipped with the through-hole that supplies the module control frame to pass through, the front portion is equipped with a plurality of spouts and slider cooperation, be equipped with on the module control frame along the main shaft direction and with a plurality of risers that the main shaft vertically equallyd divide, be equipped with the sliding tray on the riser, the flaring subassembly comprises a plurality of outer flaring modules and interior flaring modules that are inside and outside spaced and the outer surface constitutes whole circle row after expanding, outer flaring module and interior flaring module link to each other through the module connecting axle with the module control frame, outer flaring module and interior flaring module both ends all are equipped with the slider, be located the spout of leading truck and base respectively, the leading head, the flaring module passes through the connecting rod to be fixed in the front portion of base. The invention has the advantages of rapid molding, high production efficiency and high yield.
Description
Technical Field
The invention belongs to the field of plastic pipe production and processing equipment, and particularly relates to a plastic pipe flaring die.
Background
The plastic pipe is widely used in various industries, the connection modes of the pipe are more, the socket connection mode is the most common, the flaring structure of one section of the pipe and the straight pipe of the other pipe are in sealing butt joint through the sealing ring, and the mode is simple and quick, has low cost and is widely applied to the pipe. The key equipment is a flaring die, and the flaring dies in the market at present are all forced hard pushing into the pipe by external force to finish flaring work. Chinese patent: CN 205853354U discloses a flaring forming device capable of forming a flaring structure on the end of a pipe, which is capable of forming a flaring structure on the end of a pipe, and capable of forming a flaring on the end of a pipe after being heated and softened, comprising a pipe clamping component capable of fixing the pipe, a pipe flaring forming component and a cooling component capable of cooling and forming the flaring structure, wherein the flaring structure comprises a flaring part with an inner diameter matched with that of the pipe flaring forming component and an annular groove which is arranged on the flaring part and can be used for holding a sealing ring, and the flaring forming device is characterized in that the pipe flaring forming component comprises a flaring forming mold core matched with the flaring part, and the end of the pipe after being heated and softened is directly sleeved outside the flaring forming mold core so as to form the end of the pipe after being heated and softened into the flaring part; the flaring shaping mold core comprises a flaring mold, the flaring mold is formed by splicing a plurality of sliding blocks and is in an annular structure, the flaring shaping mold core further comprises an umbrella-shaped transmission device which is connected with the sliding blocks and can drive the sliding blocks to do opening and closing movement, and the pipe flaring molding assembly further comprises a first cylinder device which is connected with the umbrella-shaped transmission device and can drive the umbrella-shaped transmission device to move so as to drive the sliding blocks to do opening and closing movement, and then a transmission shaft of an annular groove is formed on the flaring portion, and the first cylinder device can drive the transmission shaft to work. The end part of the pipe which is heated and softened is directly sleeved outside the flaring shaping mold core, then a cylinder is used for pushing a flaring forming device to finish flaring, stacking is easy to cause failure of flaring due to large temperature difference between the pipe and the flaring mold core, and meanwhile, hanging is caused by shrinkage of the pipe at the tail end of a sliding block to cause failure of flaring.
Disclosure of Invention
The invention aims to solve the problems and provides a plastic pipe direct-pushing flaring die which is quick in forming, high in production efficiency and high in yield.
Inventive idea
The prior art of flaring is mainly mechanical flaring, a flaring mandrel is generally in a fixed structure, the diameter of the flaring mandrel is larger than that of a guide head, after the guide head enters a pipe to be flared, the flaring mandrel is pushed into the pipe, and due to sudden temperature change, the pipe can be rapidly cooled and hardened after a conical climbing section of the flaring mandrel contacts the flaring mandrel and cannot be pushed into the pipe smoothly, and a stacker is formed after the follow-up pipe is deformed, so that flaring fails; in addition, when the straight section of the flaring mold core enters the pipe, the pipe can shrink and hang materials at the tail end of the annular flaring groove, so that the pipe is outwards arched to cause flaring failure, and the core reason for the problems is that the outer diameter of the flaring section of the flaring mold is larger than the inner diameter of the pipe.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a plastics tubular product direct push type flaring mould, includes base, direction head, the main shaft, main shaft one end be equipped with the screw thread other end and be equipped with anti-rotation device, the main shaft passes base and direction head only sliding connection, is equipped with collapsible flaring subassembly between base and the direction head.
The utility model provides a plastics tubular product direct push type flaring mould, its collapsible flaring subassembly, including outer flaring module, interior flaring module, module control frame, the module connecting axle, the connecting rod, the slider, the flange, the base rear portion is equipped with the flange through bolted connection with the base, the base center is equipped with the through-hole that supplies the module control frame to pass through, the front portion is equipped with a plurality of spouts and cooperation of slider, be equipped with on the module control frame along the main shaft direction and with a plurality of risers that the main shaft vertically equallyd divide, be equipped with the sliding tray on the riser, the flaring subassembly comprises a plurality of outer flaring modules and interior flaring modules that are inside and outside spaced and the outer surface of expansion constitutes whole circle, outer flaring module and interior flaring module link to each other through the module connecting axle with the module control frame, outer flaring module and interior flaring module both ends all are equipped with the slider, be located the spout of leading truck and base respectively, leading head, flaring module passes through the connecting rod to be fixed in the front portion of base. The structure is a flaring part integrated structure, and the forming effect of the structure is good.
The plastic pipe direct-pushing type flaring die comprises a front flaring assembly, a middle flaring assembly, a rear flaring assembly, a flaring module, a module control frame, a module connecting shaft, a connecting rod, a sliding block and a flange, wherein the rear part of a base is provided with the flange connected with the base through a bolt, the center of the base is provided with a through hole for the module control frame to pass through, the front part is provided with a plurality of sliding grooves matched with the sliding block, the front flaring assembly is provided with a plurality of front flaring modules with guide structures, the front part is provided with a plurality of inner and outer spaced parts, the front part is provided with a plurality of front flaring modules with protrusion structures, the middle flaring assembly is provided with a plurality of inner and outer spaced parts, the rear flaring modules are provided with a plurality of rear outer surfaces, the front flaring assemblies, the middle flaring assemblies and the rear flaring assemblies are provided with guide rings, the reaming modules are connected with the module control frame through the module connecting shaft, two ends of the flaring modules are provided with the sliding blocks positioned in the guide grooves of the guide rings, the front end sliding blocks of the front flaring modules are positioned in the guide grooves of the guide heads, the rear end sliding blocks of the rear modules are positioned in the guide grooves of the base, the flaring assemblies are positioned in the guide grooves of the guide heads, the flaring assemblies, the front end opening assemblies, the front opening assemblies and the front opening and the connecting rod fixing parts of the base are fixed. The structure is a flaring part three-section structure, the structure is easy to process, and the external force required by forming is small.
In the plastic pipe direct-pushing flaring die, the connecting shaft holes on the flaring module can be arranged in the middle or at two sides of the bottom of the flaring module.
The plastic pipe direct-pushing flaring die is characterized in that a sliding shaft sleeve is arranged outside a module connecting shaft of the plastic pipe direct-pushing flaring die. The shaft sleeve can prolong the service life of the module connecting shaft.
The plastic pipe direct-pushing flaring die is characterized in that a through hole is formed in the main shaft of the plastic pipe direct-pushing flaring die. The through holes can be communicated with cooling water and used for cooling the guide head, so that the pipe at the position of the guide head is prevented from being deformed.
A plurality of through holes communicated with the inside of the contractible flaring component are arranged on the base of the plastic pipe direct-pushing flaring die. The through hole can be heated by hot air to heat the die and the inner wall of the pipe, so that the temperature of the pipe is ensured to be consistent with the temperature of the flaring die and the temperature of the pipe is ensured to be consistent with the temperature of the flaring die.
A concave ring groove is arranged on the outer cylindrical surface of the guide head of the plastic pipe direct-pushing flaring die, and a cooling water pipe is arranged in the ring groove. The pipe at the guide head is prevented from being deformed due to heat conduction.
A guide disc is arranged between a guide head and a flaring assembly of the plastic pipe direct-pushing flaring die, one end of the guide disc is fixedly connected with the guide head, the other end of the guide disc is provided with a sliding groove and is in sliding connection with a sliding block of a front flaring module, and the guide head, the guide disc and a retractable flaring module are fixed at the front part of a base through connecting rods. The split type structure can ensure that the guide disc is quickly updated after being worn, and the cost is reduced.
The module control frame of the plastic pipe direct-pushing flaring die consists of a sleeve and a vertical plate, wherein the sleeve is sleeved on a main shaft, the vertical plate is vertically and equally divided and fixedly connected on the sleeve along the direction of the main shaft, and a sliding groove is formed in the vertical plate. The split type structure can ensure that the sleeve is quickly updated after being worn, and the cost is reduced.
The anti-rotation device of the plastic pipe direct-pushing flaring die is a flat key groove or a spline groove. And the damage of internal parts caused by the rotation of the main shaft is prevented.
Advantageous effects
According to the full-telescopic flaring die for the flaring module, all flaring modules are received in the guide head before being inserted into the pipe, then the pipe is sleeved outside the whole flaring head, the outer diameter of the flaring die is smaller than the inner diameter of the pipe, when the pipe is flared, the pipe is directly sleeved on the flaring die without resistance, and then heating is started to flare, so that the problems of stacking and holding materials at the guide section and the sealing groove in the prior art are solved, and the full-telescopic flaring die for the pipe has the characteristics of rapid forming, high production efficiency and high yield.
Drawings
FIG. 1 is a schematic view of example 1 of the present invention
FIG. 2 is a schematic view of embodiment 2 of the present invention
Fig. 3 is a schematic view showing the minimum position of the front flare assembly according to embodiment 2 of the present invention
Fig. 4 is a schematic view showing the maximum position of the front flare assembly according to embodiment 2 of the present invention
In the figure, 1, a guide head, 2, a ring groove, 3, a fixing nut, 4, a guide disc, 5, a sliding block, 6, a front outer flaring module, 7, a connecting rod, 8, a module control frame, 9, a sliding shaft sleeve, 10, a module connecting shaft, 11, a guide ring, 12, a middle outer flaring module, 13, a rear outer flaring module, 14, a base, 15, a key, 16, a main shaft, 17, a flange, 18, a pagoda head, 19, a rear inner flaring module, 20, a middle inner flaring module, 21, a front inner flaring module, 22, an outer flaring module, 23 and an inner flaring module.
Referring to fig. 1, the invention comprises a base 14, a guide head 1 and a main shaft 16, wherein one end of the main shaft 16 is provided with threads, the other end of the main shaft 16 is provided with an anti-rotation device, the main shaft 16 passes through the base 14 and is only in sliding connection with the guide head 1, a retractable flaring assembly is arranged between the base and the guide head, the retractable flaring assembly is of an integrated structure at the flaring part and comprises an outer flaring module 22, an inner flaring module 23, a module control frame 8, a module connecting shaft 10, a connecting rod 7, a sliding block 5 and a flange 17, the rear part of the base is provided with a flange 17 connected with the base 14 through bolts, the flange 17 is in sliding connection with the main shaft 16 through a key 15, the center of the base 14 is provided with a through hole for the module control frame 8 to pass through, the front part is provided with a plurality of sliding grooves matched with the sliding block 5, the rear part is provided with a through hole for installing a pagoda head 18, the module control frame 8 is fixed on the main shaft through a fixing nut 3, a plurality of vertical plates which are arranged on the module control frame 8 along the direction of the main shaft 16 and are vertically and uniformly distributed with the main shaft 16, the flaring module 23 is provided with sliding grooves on the vertical plates, the module control frame 8 comprises a plurality of inner and outer flaring modules 22 and a whole circular rows of the flaring module 22 and the inner and outer flaring module 22 which are respectively arranged on the inner and outer flaring module and the outer flaring module, the inner and the module 22 are respectively, the inner and the base module 2 and the base 2 are connected with the base 2 through the guide head and the base 2 through the guide head 2, the base 2, the front part and the guide head 2, the front part is provided with the guide head 2, the front end is provided with the main shaft 2, and the main part is provided with the main shaft module 2, and the main shaft 1, and the main part and the main head and the main guide head 1, and the main head 1.
Embodiment 2 referring to fig. 2, unlike embodiment 1, the collapsible flaring assembly is a three-section flaring portion consisting of front outer flaring module 6 and front inner flaring module 21, middle outer flaring module 12 and middle inner flaring module 20, rear outer flaring module 13 and rear inner flaring module 19.
Principle of operation
The main shaft 16 drives the module control frame 8 to move back and forth, and the module control frame 8 performs contraction and expansion of the flaring module through the module connecting shaft 10 to realize flaring of the pipe.
Claims (10)
1. The utility model provides a plastics tubular product direct push type flaring mould, includes the base, the direction head, the main shaft, main shaft one end be equipped with the screw thread other end and be equipped with anti-rotation device, main shaft pass base and direction head only sliding connection, its characterized in that: a retractable flaring component is arranged between the base and the guide head.
2. A direct-pushing type flaring die for plastic pipes is characterized in that the retractable flaring assembly comprises an outer flaring module, an inner flaring module, a module control frame, a module connecting shaft, a connecting rod, a sliding block and a flange, wherein the flange connected with the base through bolts is arranged at the rear part of the base, a through hole for the module control frame to pass through is arranged at the center of the base, a plurality of sliding grooves are arranged at the front part of the base and are matched with the sliding block, a plurality of vertical plates which are uniformly distributed along the direction of a main shaft and are perpendicular to the main shaft are arranged on the module control frame, sliding grooves are formed in the vertical plates, the flaring assembly consists of a plurality of outer flaring modules and inner flaring modules which are spaced from each other inside and outside and form a whole circular row on the outer surface after being expanded, the outer flaring modules and the inner flaring modules are connected with the module control frame through module connecting shafts, the sliding blocks are respectively arranged at two ends of the outer flaring modules and the inner flaring modules and the sliding grooves are respectively positioned in the sliding grooves of the guide plate and the base, and the flaring modules are fixed at the front part of the base through the connecting rod.
3. A plastic tubing direct-push flaring die as claimed in claim 1, wherein: the retractable flaring assembly comprises a front flaring assembly, a middle flaring assembly, a rear flaring assembly, a flaring module, a module control frame, a module connecting shaft, a connecting rod, a sliding block and a flange, wherein the flange connected with the base through a bolt is arranged at the rear part of the base, a through hole only for the module control frame to pass through is formed in the center of the base, a plurality of sliding grooves are formed in the front part and matched with the sliding block, the front flaring assembly is provided with a plurality of front and rear surface forming full circle and provided with a plurality of front and rear surface forming full circle flaring modules with protruding structures, the middle flaring assembly is provided with a plurality of front and rear surface forming full circle flaring modules, a guide ring is arranged among the front flaring assembly, the middle flaring assembly and the rear flaring assembly, the reaming module and the module are connected with the module control frame through the module connecting shaft, the sliding blocks positioned in the guide grooves on the guide ring are arranged at the two ends of the flaring module, the front end sliding blocks are positioned in the guide grooves on the guide head, the rear end sliding blocks positioned in the guide grooves of the base, and the front flaring assembly, the middle flaring assembly and the rear flaring assembly are fixed on the front part of the connecting rod of the base through the connecting rod.
4. A plastic pipe straight pushing type flaring die as claimed in claim 2 or 3, wherein the connecting shaft holes on the flaring module are arranged in the middle or at two sides of the bottom of the flaring module.
5. A plastic tubing direct-push flaring die as claimed in claim 4, wherein: the outside of the module connecting shaft is provided with a sliding shaft sleeve.
6. A plastic tubing direct-push flaring die as claimed in claim 5, wherein: the main shaft is internally provided with a through hole.
7. A plastic tubing direct-push flaring die as claimed in claim 6, wherein: the base is provided with a plurality of through holes communicated with the inside of the contractible flaring component.
8. A plastic tubing direct-push flaring die as claimed in claim 7, wherein: the external cylindrical surface of the guide head is provided with a concave ring groove, and a cooling water pipe is arranged in the ring groove.
9. A plastic tubing direct-push flaring die as claimed in claim 8, wherein: a guide disc is arranged between the guide head and the flaring assembly, one end of the guide disc is fixedly connected with the guide head, the other end of the guide disc is provided with a sliding groove and is in sliding connection with a sliding block of the front flaring module, and the guide head, the guide disc and the retractable flaring module are fixed at the front part of the base through connecting rods.
10. A plastic tubing direct-push flaring die as claimed in claim 9, wherein: the module control frame consists of a sleeve and a vertical plate, the sleeve is sleeved on the main shaft, the vertical plate is uniformly and fixedly connected on the sleeve along the direction of the main shaft and is perpendicular to the main shaft, and a sliding groove is formed in the vertical plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210281047 | 2022-03-21 | ||
| CN2022102810474 | 2022-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116787746A true CN116787746A (en) | 2023-09-22 |
Family
ID=88037992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211460202.5A Pending CN116787746A (en) | 2022-03-21 | 2022-11-17 | Plastic pipe direct-pushing flaring die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116787746A (en) |
-
2022
- 2022-11-17 CN CN202211460202.5A patent/CN116787746A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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