CN210590488U - External forming die for hole-net steel skeleton reinforced composite pipe - Google Patents
External forming die for hole-net steel skeleton reinforced composite pipe Download PDFInfo
- Publication number
- CN210590488U CN210590488U CN201921415391.8U CN201921415391U CN210590488U CN 210590488 U CN210590488 U CN 210590488U CN 201921415391 U CN201921415391 U CN 201921415391U CN 210590488 U CN210590488 U CN 210590488U
- Authority
- CN
- China
- Prior art keywords
- ring
- material ring
- hole
- die
- bush
- 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.)
- Active
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a compound outside of tubes forming die of pore-network steel skeleton reinforcing, including the die carrier, the die carrier is with the one end fixed connection of feeding die cylinder, the other end of this feeding die cylinder is fixed with the outer shaping mandrel, demountable installation has the material ring to adjust the seat on this feeding die cylinder, be provided with the material ring mounting groove on this material ring adjustment seat, be provided with the material ring in this material ring mounting groove, through material ring adjustment mechanism fixed material ring on this material ring adjustment seat, be provided with annular channel between this material ring and the outer shaping mandrel, the tip of this material ring adjustment seat can be dismantled and be fixed with the bush and adjust the seat, be provided with the erection hole on this bush adjusts the seat, install outer shaping ring and bush through plastic adjustment mechanism in this erection hole respectively, the hole of outer shaping ring is provided with discrete plastic tooth. The outer forming die can be used for shaping the hole mesh steel framework, and can also be used for adjusting the positions of the material ring, the mouth mold and the outer shaping ring, so that the plastic layer of the composite pipe is ensured to be more uniform.
Description
Technical Field
The utility model relates to an outer forming die belongs to the shaping technical field of the compound pipe of reinforcing for compound pipe of shaping mesh steel skeleton reinforcing.
Background
The hole-mesh steel skeleton reinforced composite pipe is a novel composite pipe at present, the hole-mesh steel skeleton is added on the basis of a common plastic pipe, the hole-mesh steel skeleton is of a tubular structure formed by crimping and welding hole-mesh steel belts, the hole-mesh steel skeleton enters between an outer forming die and a forming inner die, plastic fluid also enters between the outer forming die and the forming inner die, so that an inner plastic layer and an outer plastic layer wrap the hole-mesh steel skeleton on the inner wall and the outer wall of the hole-mesh steel skeleton, and the reinforced composite pipe is finally formed.
However, the existing external forming die is still imperfect in structure and has the following disadvantages:
1. the coiled and formed mesh steel skeleton may not be completely cylindrical, and may deform during welding and coiling, so that the strength of the composite pipe formed after entering the forming die is uneven;
2. the position of a material ring of the existing outer forming die is difficult to adjust, an annular channel is arranged between the material ring and the outer forming core die, once the position of the material ring is not accurately installed, the width of the annular channel is not uniform, so that the thickness of inner and outer plastic layers of a steel skeleton is not uniform, and the strength of the composite pipe is influenced;
3. the position of the current mouth mold is also difficult to adjust, and the overall dimension of the composite tube is also influenced; meanwhile, the replacement of the neck mold and the material ring is complex, when composite pipes with different sizes need to be manufactured, the whole outer forming mold needs to be disassembled, and then the neck mold and the material ring need to be replaced, so that the operation is complex.
4. The existing outer forming die needs to enter a cooling box for cooling after passing through a distance after being sized by a neck ring die, when a composite pipe with higher temperature passes through the gap distance, plastic fluid of the composite pipe is softer, a collapse phenomenon can occur, or the fluid on the upper part of the composite pipe flows downwards due to gravity to cause the plastic thickness on the lower part of the composite pipe to be thicker, so the quality of the composite pipe cannot be controlled.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a compound outside of tubes forming die of mesh steel skeleton reinforcing, this outer forming die utilizes outer plastic ring can carry out the plastic to the mesh steel skeleton, can also adjust the position of material ring, bush and outer plastic ring simultaneously to ensure that the plastic layer of compound pipe is more even, the sizing of compound pipe is also more accurate.
In order to solve the technical problem, the technical scheme of the utility model is that: a hole mesh steel skeleton reinforced composite pipe external forming die comprises a die frame, wherein the die frame is fixedly connected with one end of a feeding die cylinder, a feeding channel which is matched and communicated with a discharge port of an extruder is arranged on the feeding die cylinder, an external forming core die with a central hole is fixed at the other end of the feeding die cylinder, a material ring adjusting seat is detachably mounted on the feeding die cylinder, a material ring mounting groove is formed in the material ring adjusting seat, a material ring is arranged in the material ring mounting groove, the material ring is fixed on the material ring adjusting seat through a material ring adjusting mechanism, an inclined annular channel communicated with the feeding channel is arranged between the material ring and the external forming core die, a neck die adjusting seat is detachably fixed at the end of the material ring adjusting seat, an installation through hole is formed in the neck die adjusting seat, and an external shaping ring and a neck die are respectively mounted in the installation through hole through a shaping adjusting mechanism and a neck die adjusting mechanism, the inner hole of the outer shaping ring is provided with discrete shaping teeth which are in contact with the outer peripheral surface of the mesh steel framework for shaping.
As a preferred scheme, the material ring adjusting mechanism comprises at least four first puller bolts, first radial screw holes matched with the first puller bolts are uniformly distributed on the material ring adjusting seat in the circumferential direction, the first puller bolts are installed in the first radial screw holes in a one-to-one correspondence manner, and the inner end of each first puller bolt tightly props the material ring.
As a preferred scheme, the periphery of the neck ring is provided with a compression step, the neck ring adjusting seat is correspondingly provided with a compression ring portion, the neck ring adjusting seat is fixed on the neck ring mounting plate through an axial bolt, a base plate is arranged between the end faces of the neck ring mounting plate and the material ring adjusting seat, a pressing plate is arranged between the end faces of the material ring and the material ring, the pressing plate is detachably fixed on the material ring, the neck ring mounting plate, the base plate and the material ring adjusting seat are detachably fixed through bolts, the compression ring portion of the neck ring adjusting seat is in compression fit with the compression step to tightly press the neck ring and the outer shaping mold on the neck ring mounting plate, the neck ring mounting plate is pressed against the pressing plate, and the pressing plate and the neck ring.
As a preferable scheme, annular positioning steps which are matched with each other are arranged on the pressure plate and the material ring.
Preferably, the downstream end of the die is connected to a cooling device.
As a preferred scheme, cooling device includes a cooling box, is provided with the division board in this cooling box, and this division board separates into cooling chamber and overflow room with the cooling box, be provided with the overflow mouth on the division board, all be provided with the through hole that makes things convenient for compound pipe to run through on the upper reaches lateral wall, the low reaches lateral wall and the division board of cooling box, the outside of the upper reaches lateral wall of cooling box is fixed with the cold ring, the hole of this cold ring and the external diameter adaptation of compound pipe, and the inboard of upper reaches lateral wall is provided with the annular shower that sprays to the cold ring, this shower and inlet tube intercommunication, overflow room and drain pipe intercommunication.
As a preferable scheme, an annular groove is formed in the end face, close to the neck mold, of the cold ring, an annular protrusion is arranged at the end portion, corresponding to the end portion of the neck mold, the annular protrusion is inserted into the annular groove to be matched in a positioning mode, the annular protrusion is not in contact with the annular groove, and the cooling box body is fixed with the neck mold adjusting seat or the neck mold mounting plate.
Preferably, an insulating tetrafluoride ring is arranged between the cold ring and the die.
After the technical scheme is adopted, the utility model discloses an effect is: because the material ring adjusting seat is detachably arranged on the feeding die cylinder, the material ring adjusting seat is provided with a material ring installing groove, a material ring is arranged in the material ring installing groove, the material ring is fixed on the material ring adjusting seat through a material ring adjusting mechanism, an inclined annular channel communicated with the feeding channel is arranged between the material ring and the outer shaping die, the end part of the material ring adjusting seat is detachably fixed with a die adjusting seat, the die adjusting seat is provided with an installing through hole, an outer shaping ring and a die are respectively arranged in the installing through hole through a shaping adjusting mechanism and a die adjusting mechanism, the inner hole of the outer shaping ring is provided with discrete shaping teeth which are contacted with the outer peripheral surface of the mesh steel framework for shaping, therefore, the positions of the material ring, the outer shaping ring and the die can be adjusted through the material ring adjusting mechanism, the shaping adjusting mechanism and the die adjusting mechanism, and finally the forming inner dies of other composite tubes are concentric, the plastic layer of the composite pipe is ensured to be more uniform, the sizing of the composite pipe is more accurate, and meanwhile, the inner hole of the outer shaping ring is provided with discrete shaping teeth which are in contact shaping with the outer peripheral surface of the mesh steel skeleton, so that the mesh steel skeleton is in contact shaping teeth during operation, and the mesh steel skeleton is shaped by the shaping teeth once irregular deformation occurs, and finally, the regular mesh steel skeleton enables the strength of the composite pipe to be more uniform.
And as the material ring adjusting mechanism comprises at least four first puller bolts, first radial screw holes matched with the first puller bolts are uniformly distributed on the circumference of the material ring adjusting seat, the first puller bolts are arranged in the first radial screw holes in a one-to-one correspondence manner, and the inner end of each first puller bolt tightly props the material ring. Therefore, the position of the material ring can be pushed by screwing at least four first jacking bolts, so that the center of the material ring is adjusted to be concentric with the outer forming core die, and the width of each part of the annular channel is uniform.
And the periphery of the neck mold is provided with a compression step, the corresponding neck mold adjusting seat is provided with a compression ring part, the neck mold adjusting seat is fixed on the neck mold mounting plate through an axial bolt, a base plate is arranged between the end surfaces of the neck mold mounting plate and the material ring adjusting seat, a pressing plate is arranged between the end surface of the material ring and the base plate, the pressing plate is detachably fixed on the material ring, the neck mold mounting plate, the base plate and the material ring adjusting seat are detachably fixed through bolts, the compression ring part of the neck mold adjusting seat is in compression fit with the compression step to tightly press the neck mold and the outer shaping mold on the neck mold mounting plate, the neck mold mounting plate is pressed against the pressing plate, and the pressing plate and the neck. The change of this bush is very simple, only needs to dismantle the bush mounting panel, just can wholly take off bush, bush regulation seat and bush mounting panel, and equally, it is also very convenient to install again, and the existence of clamp plate can increase plastics and enter into the inside feeding area of mesh steel skeleton the same time, and the putty phenomenon that reduces plastics takes place, and the shaping is changeed to the inlayer plastics of tubular product.
And because the pressing plate and the material ring are provided with the annular positioning steps which are matched with each other, the pressing plate and the material ring are more accurately installed.
The cooling device comprises a cooling box body, a partition plate is arranged in the cooling box body and divides the cooling box body into a cooling chamber and an overflow chamber, an overflow port is arranged on the partition plate, through holes which are convenient for the composite pipe to penetrate through are formed in the upstream side wall, the downstream side wall and the partition plate of the cooling box body, a cold ring is fixed on the outer side of the upstream side wall of the cooling box body, the inner hole of the cold ring is matched with the outer diameter of the composite pipe, an annular spray pipe which sprays towards the cold ring is arranged on the inner side of the upstream side wall, the spray pipe is communicated with a water inlet pipe, the overflow chamber is communicated with a water drain pipe, so that the composite pipe after being subjected to neck mold sizing enters the cooling box body through the cold ring, the cold ring is sprayed by the spray pipe to keep a lower temperature, and the cold ring is contacted with the surface of the composite pipe to, and the very first time of the compound pipe after the cold ring cooling has entered into the cooling chamber, and the cooling water that the shower sprayed enters into the cooling chamber and is full of the back gradually, and the cooling water flows into in the overflow chamber from the overflow mouth, then flows out from the overflow chamber, and this cooling device's cooling effect is better, more can guarantee the quality of compound pipe.
And because the heat-insulating tetrafluoride ring is arranged between the cold ring and the neck mold, the heat of the neck mold can be cut off.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a perspective view of an embodiment of the present invention;
fig. 2 is a top view of an embodiment of the invention;
FIG. 3 is a cross-sectional view at A-A of FIG. 2;
FIG. 4 is a schematic view of the construction of an outer shaping ring;
in the drawings: 1. a mold frame; 2. feeding a die cylinder; 3. a material ring adjusting seat; 4. an external forming core mold; 5. material ring; 6. a first puller bolt; 7. pressing a plate; 8. a base plate; 9. a neck ring mold mounting plate; 10. an outer shaping ring; 11. a neck ring mold; 12. a mouth mold adjusting seat; 13. a third puller bolt; 14. a second puller bolt; 15. cooling the ring; 16. a heat-insulating tetrafluoride ring; 17. a shower pipe; 18. cooling the box body; 20. an overflow port; 19. a partition plate; 21. a cooling chamber; 22. an overflow chamber; 23. and (5) forming the inner die.
Detailed Description
The present invention will be described in further detail with reference to the following examples.
As shown in fig. 1 to 4, a hole-mesh steel skeleton reinforced composite pipe external forming mold comprises a mold frame 1, wherein the mold frame 1 is fixedly connected with one end of a feeding mold cylinder 2, a feeding channel matched and communicated with a discharge port of an extruder is arranged on the feeding mold cylinder 2, an external forming mold core 4 with a central hole is fixed at the other end of the feeding mold cylinder 2, a material ring adjusting seat 3 is detachably mounted on the feeding mold cylinder 2, a material ring 5 mounting groove is arranged on the material ring adjusting seat 3, a material ring 5 is arranged in the material ring 5 mounting groove, the material ring 5 is fixed on the material ring adjusting seat 3 through a material ring 5 adjusting mechanism, an inclined annular channel communicated with the feeding channel is arranged between the material ring 5 and the external forming mold core 4, a mold adjusting seat 12 is detachably fixed at the end of the material ring adjusting seat 3, an installation through hole is arranged on the mold adjusting seat 12, and an external forming ring 10 and a mold 11 adjusting mechanism are respectively arranged in the installation through a shaping adjusting mechanism and a mold 11 adjusting mechanism And the inner hole of the neck ring 11 is provided with discrete shaping teeth which are in contact with the outer peripheral surface of the mesh steel framework for shaping.
The whole outer forming die sleeve is used together outside the forming inner die 23.
The adjusting mechanism of the material ring 5 comprises at least four first tightening bolts 6, first radial screw holes matched with the first tightening bolts 6 are uniformly distributed on the material ring adjusting seat 3 in the circumferential direction, the first tightening bolts 6 are installed in the first radial screw holes in a one-to-one correspondence mode, and the inner end of each first tightening bolt 6 tightly props the material ring 5.
The shaping adjusting mechanism comprises at least four second tightening bolts 14, second radial screw holes matched with the second tightening bolts 14 are uniformly distributed on the circumference of the die adjusting seat 12, the second tightening bolts 14 are correspondingly arranged in the second radial screw holes one by one, and the inner end of each second tightening bolt 14 tightly props the outer shaping ring 10.
Similarly, the neck ring die 11 adjusting mechanism comprises at least four third puller bolts 13, third radial screw holes matched with the third puller bolts 13 are uniformly distributed on the neck ring die adjusting seat 12 in the circumferential direction, the third puller bolts 13 are correspondingly installed in the third radial screw holes one by one, and the inner end of each third puller bolt 13 is tightly propped against the neck ring die 11.
Preferably, the number of the first tightening bolts 6, the second tightening bolts 14 and the third tightening bolts 13 is four or six, so that the adjustment direction is more delicate and accurate, and the adjustment is not complicated.
As shown in fig. 3, the periphery of the neck ring die 11 is provided with a compression step, the neck ring die adjusting seat 12 is correspondingly provided with a compression ring portion, the neck ring die adjusting seat 12 is fixed on the neck ring die mounting plate 9 through an axial bolt, a base plate 8 is arranged between the end surfaces of the neck ring die mounting plate 9 and the material ring adjusting seat 3, a pressing plate 7 is arranged between the end surface of the material ring 5 and the end surface of the material ring 5, the pressing plate 7 is detachably fixed on the material ring 5, the neck ring die mounting plate 9, the base plate 8 and the material ring adjusting seat 3 are detachably fixed through bolts, the compression ring portion of the neck ring die adjusting seat 12 is matched with the compression step to tightly press the neck ring die 11 and the outer shaping die on the neck ring die mounting plate 9, the neck ring mounting plate presses the. When the neck mold 11 needs to be replaced, the neck mold mounting plate 9 can be detached from the material ring adjusting seat 3, so that the neck mold 11 is more convenient to mount.
In this embodiment, the pressing plate 7 and the material ring 5 are provided with mutually matched annular positioning steps, so that the pressing plate 7 and the material ring 5 are more accurately installed.
Preferably, in this embodiment, the downstream end of the die 11 is connected to cooling means. The cooling device comprises a cooling box body 18, a partition plate 19 is arranged in the cooling box body 18, the partition plate 19 separates the cooling box body 18 into a cooling chamber 21 and an overflow chamber 22, an overflow port 20 is formed in the partition plate 19, through holes which are convenient for the composite pipes to penetrate through are formed in the upstream side wall, the downstream side wall and the partition plate 19 of the cooling box body 18, a cold ring 15 is fixed on the outer side of the upstream side wall of the cooling box body 18, the inner hole of the cold ring 15 is matched with the outer diameter of the composite pipes, an annular spraying pipe 17 which sprays towards the cold ring 15 is arranged on the inner side of the upstream side wall, the spraying pipe 17 is communicated with a water inlet pipe, and the overflow chamber 22 is communicated with. An annular groove is formed in the end face, close to the neck ring 11, of the cold ring 15, an annular protrusion is arranged at the end portion, corresponding to the end face of the neck ring 11, the annular protrusion is inserted into the annular groove to be matched in a positioning mode, the annular protrusion is not in contact with the annular groove, and a heat insulation tetrafluoride ring 16 is arranged between the cold ring 15 and the neck ring 11. The cooling box 18 is fixed to the die adjusting base 12 or the die mounting plate 9.
The spray pipe 17 sprays towards the cold ring 15, the surface cooling of the composite pipe is realized by the temperature reduction of the cold ring 15, the smoothness degree of the surface is improved, the sprayed water flows into the cooling chamber 21 to cool the composite pipe, the water level in the cooling chamber 21 is increased, the sprayed water flows into the overflow chamber 22 from the overflow port 20, and finally the redundant cooling water is discharged.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and alterations made to the technical solution of the present invention without departing from the spirit of the present invention are intended to fall within the scope of the present invention defined by the claims.
Claims (8)
1. The utility model provides a compound outside of tubes forming die of mesh steel skeleton reinforcing, includes the die carrier, its characterized in that: the die carrier is fixedly connected with one end of a feeding die cylinder, a feeding channel which is matched and communicated with a discharge hole of the extruder is arranged on the feeding die cylinder, the other end of the feeding mold cylinder is fixed with an external forming core mold with a central hole, a material ring adjusting seat is detachably arranged on the feeding mold cylinder, the material ring adjusting seat is provided with a material ring mounting groove, a material ring is arranged in the material ring mounting groove, the material ring is fixed on the material ring adjusting seat through a material ring adjusting mechanism, an inclined annular channel communicated with the feeding channel is arranged between the material ring and the outer molding core die, the end part of the material ring adjusting seat is detachably fixed with a mouth mold adjusting seat which is provided with an installation through hole, an outer shaping ring and a mouth mold are respectively arranged in the mounting through hole through a shaping adjusting mechanism and a mouth mold adjusting mechanism, the inner hole of the outer shaping ring is provided with discrete shaping teeth which are in contact with the outer peripheral surface of the mesh steel framework for shaping.
2. The external forming die for the hole-mesh steel-frame reinforced composite pipe as claimed in claim 1, wherein: the material ring adjusting mechanism comprises at least four first puller bolts, first radial screw holes matched with the first puller bolts are evenly distributed on the material ring adjusting seat in the circumferential direction, the first puller bolts are installed in the first radial screw holes in a one-to-one correspondence mode, and the inner end of each first puller bolt is tightly propped against the material ring.
3. The external forming die for the hole-mesh steel-frame reinforced composite pipe as claimed in claim 2, wherein: the periphery of bush is provided with and compresses tightly the step, corresponds bush regulation seat is provided with and compresses tightly the ring portion, bush regulation seat passes through axial bolt fastening on the bush mounting panel, be provided with the backing plate between the terminal surface of this bush mounting panel and material ring regulation seat, with be provided with the clamp plate between the terminal surface of material ring, this clamp plate can be dismantled and be fixed in on the material ring, this bush mounting panel, backing plate and material ring regulation seat can dismantle fixedly through the bolt, the ring portion that compresses tightly of bush regulation seat compresses tightly the cooperation with compressing tightly the step with bush and outer shaping mould on the bush mounting panel, bush mounting panel roof pressure the clamp plate, all be provided with the internal flow through-hole on clamp plate and the bush mounting panel.
4. The external forming die for the hole-mesh steel-frame reinforced composite pipe as claimed in claim 3, wherein: and annular positioning steps matched with each other are arranged on the pressing plate and the material ring.
5. The external forming die for the hole-mesh steel-frame reinforced composite pipe as claimed in any one of claims 1 to 4, wherein: the downstream end of the die is connected to a cooling device.
6. The external forming die for the hole-mesh steel-frame reinforced composite pipe as claimed in claim 5, wherein: the cooling device comprises a cooling box body, a partition plate is arranged in the cooling box body, the partition plate separates the cooling box body into a cooling chamber and an overflow chamber, an overflow port is formed in the partition plate, through holes which are convenient for the composite pipes to penetrate through are formed in the upstream side wall, the downstream side wall and the partition plate of the cooling box body, a cold ring is fixed on the outer side of the upstream side wall of the cooling box body, an inner hole of the cold ring is matched with the outer diameter of the composite pipes, an annular spray pipe which sprays towards the cold ring is arranged on the inner side of the upstream side wall, the spray pipe is communicated with a water inlet pipe, and the overflow chamber is communicated with.
7. The external forming die for the hole-mesh steel-frame reinforced composite pipe as claimed in claim 6, wherein: the end face of the cold ring close to the neck ring is provided with an annular groove, the end part of the corresponding neck ring is provided with an annular bulge, the annular bulge is inserted into the annular groove to be positioned and matched, the annular bulge is not contacted with the annular groove, and the cooling box body is fixed with the neck ring adjusting seat or the neck ring mounting plate.
8. The external forming die for the hole-mesh steel-frame reinforced composite pipe as claimed in claim 7, wherein: and a heat-insulating tetrafluoride ring is arranged between the cold ring and the mouth mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921415391.8U CN210590488U (en) | 2019-08-28 | 2019-08-28 | External forming die for hole-net steel skeleton reinforced composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921415391.8U CN210590488U (en) | 2019-08-28 | 2019-08-28 | External forming die for hole-net steel skeleton reinforced composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210590488U true CN210590488U (en) | 2020-05-22 |
Family
ID=70718239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921415391.8U Active CN210590488U (en) | 2019-08-28 | 2019-08-28 | External forming die for hole-net steel skeleton reinforced composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210590488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263760A (en) * | 2021-03-23 | 2021-08-17 | 菏泽三垒塑业股份有限公司 | Mesh steel belt polyethylene composite pipe and production method thereof |
-
2019
- 2019-08-28 CN CN201921415391.8U patent/CN210590488U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263760A (en) * | 2021-03-23 | 2021-08-17 | 菏泽三垒塑业股份有限公司 | Mesh steel belt polyethylene composite pipe and production method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210501338U (en) | Outer forming die for steel wire welding framework composite pipe | |
| CN210590488U (en) | External forming die for hole-net steel skeleton reinforced composite pipe | |
| CN104802387B (en) | Reducing mold on pipe production line | |
| CN210453678U (en) | Self-supporting plastic pipe extrusion die | |
| CN210590487U (en) | Forming device for hole-net steel-framework reinforced composite pipe | |
| CN209925715U (en) | Governing valve with installation mechanism | |
| CN105479716B (en) | A kind of thermal contraction double wall casing exempts to adjust extrusion die | |
| CN211334488U (en) | Forming die of steel wire net winding reinforcing composite pipe | |
| CN110722768A (en) | Vacuum shaping water tank for plastic pipe | |
| CN116423790A (en) | Pipe-in-pipe forming die and method | |
| KR20060081271A (en) | Apparatus for spiral pipe of synthe ticresin | |
| CN215396783U (en) | Novel pipe die head | |
| CN220349015U (en) | Extrusion die of rubber damping fin | |
| CN110450378A (en) | A kind of outer molding die of steel wire weld framework composite tube | |
| CN210283239U (en) | Blowing machine wind ring subassembly of adjustable local amount of wind | |
| CN204622626U (en) | A kind of drip irrigation pipe shaped device | |
| CN209832532U (en) | Extrusion molding device for large straight pipe | |
| KR101140685B1 (en) | Large sheet extruding machine dies to produce an | |
| CN210705908U (en) | Integrated into one piece device of compound pipe of wire net winding reinforcing | |
| CN210590489U (en) | Forming internal mold of hole-net steel skeleton reinforced composite pipe | |
| CN218171310U (en) | Plastic extrusion die | |
| CN105082404A (en) | Large-diameter plastic steel winding pipe connection joint mold and system thereof | |
| CN218452505U (en) | Production mold for gate frame section bar | |
| CN204673989U (en) | Reducing mold on pipe production line | |
| CN217169676U (en) | Forming die is used in production of self-winding silicone rubber tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |