CN219381406U - Pipe-in-pipe die - Google Patents
Pipe-in-pipe die Download PDFInfo
- Publication number
- CN219381406U CN219381406U CN202320417617.8U CN202320417617U CN219381406U CN 219381406 U CN219381406 U CN 219381406U CN 202320417617 U CN202320417617 U CN 202320417617U CN 219381406 U CN219381406 U CN 219381406U
- Authority
- CN
- China
- Prior art keywords
- pipe
- tube
- main
- piston block
- piston
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The application relates to the field of pipeline molds and discloses a pipe-in-pipe mold, which comprises a mold main body, wherein an outer pipe mold cavity is formed in the mold main body, an inner pipe mold cavity is coaxially formed in the bottom of the outer pipe mold cavity, an outer pipe core pulling is movably arranged in the outer pipe mold cavity, an inner pipe core pulling is movably arranged in the outer pipe core pulling, and one end of the inner pipe core pulling is positioned in the inner pipe mold cavity; the main cylinder, main cylinder piston rod end is provided with first piston piece, first piston piece with the inner tube is loosed core mutually fixedly, run through on the first piston piece and seted up first flexible hole, movably be provided with the pole of wearing in the first flexible hole, it is provided with to wear the pole and be close to main cylinder's one end can't pass first flexible hole's fixture block, wear the pole to keep away from the one end of fixture block with the outer tube is loosed core mutually fixedly. The plastic part mould of pipe in the pipe is reduced to this application's size in order to adapt the effect of the injection molding machine of more models.
Description
Technical Field
The present application relates to the field of pipe dies, and in particular to a pipe-in-pipe die.
Background
The mould of the plastic part of the common pipeline is provided with a slide block for core pulling, after the injection molding machine completes injection molding, the pipeline product is fixed in the mould core, the pipeline is firstly extracted for core pulling, and then the pipeline is ejected out of the mould core by the ejector pin. The structure of the pipe-in-pipe product is much more complex than that of a common pipeline, and an inner pipeline is arranged in the outer pipeline of the pipe-in-pipe product. When the mould of the pipe-in-pipe plastic part performs slide block core pulling, the core pulling of the inner pipeline and the core pulling of the outer pipeline are required to be extracted.
Referring to fig. 1 and 2, in a tube-in-tube product, an inner tube 24 is coaxially disposed in an outer tube 23, one end of the inner tube 24 passes through the outer tube 23, and both the inner tube 24 and the tail end of the outer tube 23 are also communicated with a side tube 25. The pipe-in-pipe mold has four independent core pulling groups. When the core is pulled, the core pulling is performed in sequence, otherwise, the problem that the sliding block is blocked or the pipeline in the product is broken easily occurs. The traditional pipe-in-pipe mold uses four core pulling devices to independently pull cores, and when the core is pulled, two groups of side pipelines are pulled to core firstly; extracting the inner pipeline to loose core; and then the outer pipeline is extracted for core pulling.
Multiple independent core pulling needs multiple independent oil cylinders, the main structure of the die is not big, but if the external size of the core pulling oil cylinders is counted, the length is big, so that the die is inconvenient to assemble, the die is difficult to hoist into the injection molding machine, the injection molding machine with small tonnage is difficult to install the die because the size is too big, and the die can only be used for the production of the injection molding machine with large tonnage.
Disclosure of Invention
In order to reduce the size of the pipe-in-pipe plastic part mould to adapt to injection molding machines of more models, the application provides a pipe-in-pipe mould.
The application provides a pipe-in-pipe die adopts following technical scheme:
the pipe-in-pipe mold comprises a mold body, wherein an outer pipe mold cavity is formed in the mold body, an inner pipe mold cavity is coaxially formed in the bottom of the outer pipe mold cavity, an outer pipe core pulling mechanism is movably arranged in the outer pipe mold cavity, an inner pipe core pulling mechanism is movably arranged in the outer pipe core pulling mechanism, and one end of the inner pipe core pulling mechanism is positioned in the inner pipe mold cavity; the main cylinder, main cylinder piston rod end is provided with first piston piece, first piston piece with the inner tube is loosed core mutually fixedly, run through on the first piston piece and seted up first flexible hole, movably be provided with the pole of wearing in the first flexible hole, it is provided with to wear the pole and be close to main cylinder's one end can't pass first flexible hole's fixture block, wear the pole to keep away from the one end of fixture block with the outer tube is loosed core mutually fixedly.
By adopting the technical scheme, during production, the die body is subjected to injection molding, injection molding materials are molded in the outer tube die cavity and the inner tube die cavity, and under the action of outer tube core pulling and inner tube core pulling, the injection molding materials form a tube-in-tube; the piston rod of the main oil cylinder firstly contracts for a certain distance, the penetrating rod relatively moves in the first telescopic hole, and the first piston block drives the inner pipe to loose core and leave the inner pipe die cavity; then the main cylinder piston rod continues to shrink, and the fixture block can't pass through first telescopic hole, and first piston piece drives the pole and wears the pole and remove that the outer tube is loosed core, and at this moment, the main cylinder drives outer tube core and inner tube core simultaneously, does not need two hydro-cylinders to take out outer tube core and inner tube core respectively for pipe-in-pipe mould overall structure is simple, and the size is less, and pipe-in-pipe mould can install on less tonnage injection molding machine.
Preferably, a first guide rod is arranged on the first piston block, a first guide hole is formed in the front cover of the main oil cylinder in a penetrating mode, and the first guide rod penetrates through the first guide hole.
By adopting the technical scheme, the first guide rod is limited by the first guide hole in the moving path, so that the first piston block is ensured not to deviate from the position when moving.
Preferably, a second piston block is fixed at one end of the penetrating rod, which is far away from the clamping block, and the second piston block is fixed with the outer tube core-pulling phase.
Through adopting above-mentioned technical scheme, when the fixture block can't pass through first telescopic hole, wear the pole and drive the second piston piece, the second piston piece drives the outer tube and looses core.
Preferably, the main extraction track, one end of the main extraction track is fixed with the main cylinder front cover, the other end of the main extraction track is fixed with the mould body at the opening of the outer tube mould cavity, the main extraction track is communicated with the outer tube mould cavity, and the main cylinder piston rod, the first piston block and the second piston block are positioned in the main extraction track.
Through adopting above-mentioned technical scheme, main extraction track makes things convenient for first piston piece and second piston piece to remove, and main extraction track has certain guard action to first piston piece, second piston piece, outer tube core-pulling and inner tube core-pulling.
Preferably, one side of the first piston block and one side of the second piston block are propped against the inner wall of the main extraction track.
By adopting the technical scheme, the first piston block and the second piston block are more stable in moving.
Preferably, the inner wall of the main extraction track is provided with a clamping groove, the first piston block and the second piston block are both provided with clamping blocks, and the clamping blocks are slidably arranged in the clamping groove.
By adopting the technical scheme, the movement path of the clamping block is limited by the clamping groove, so that the first piston block and the second piston block are ensured not to deviate when moving.
Preferably, a second guide rod is arranged on the second piston block, a second guide hole is formed in the front cover of the main oil cylinder in a penetrating mode, and the second guide rod penetrates through the second guide hole.
By adopting the technical scheme, the second guide rod is limited by the second guide hole, so that the second piston block is ensured not to deviate when moving.
Preferably, a second telescopic hole communicated with the first telescopic hole is formed in one surface, close to the main oil cylinder, of the first piston block, the aperture of the second telescopic hole is larger than that of the first telescopic hole, and the clamping block is arranged in the second telescopic hole in a relatively moving mode.
Through adopting above-mentioned technical scheme, the fixture block can be at the interior relative movement of second flexible downthehole, and the second flexible downthehole is offered on first piston piece simultaneously, has reduced the length of wearing the pole, has reduced overall structure length.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the main oil cylinder drives the outer pipe core pulling and the inner pipe core pulling at the same time, and two oil cylinders are not required to be respectively pulled away from the outer pipe core pulling and the inner pipe core pulling, so that the pipe-in-pipe die has a simple overall structure and a small size, and can be installed on an injection molding machine with small tonnage;
2. the clamping block is limited by the clamping groove to move along the path, so that the first piston block and the second piston block cannot deviate when moving;
3. the first guide rod and the second guide rod are respectively limited by the first guide hole and the second guide hole, so that the first piston block and the second piston block are ensured not to deviate when moving.
Drawings
Fig. 1 is a schematic view of the structure of a tube-in-tube product.
Fig. 2 is a schematic view of a cut-away structure of a tube-in-tube product.
Fig. 3 is a schematic structural view of a pipe-in-pipe mold according to an embodiment of the present application.
Fig. 4 is a schematic cross-sectional view of a pipe-in-pipe mold at an inner pipe core-pulling position according to an embodiment of the present application.
Fig. 5 is a partial enlarged view at a in fig. 4.
Fig. 6 is a schematic cross-sectional view of the first piston block and the second piston block at the through rod according to the embodiment of the present application.
Fig. 7 is a partial enlarged view at B in fig. 3.
Fig. 8 is a schematic cross-sectional view of a pipe-in-pipe die at a second piston block according to an embodiment of the present application.
Fig. 9 is a schematic cross-sectional view of a pipe-in-pipe mold at a first piston block according to an embodiment of the present application.
Reference numerals illustrate: 1. a mold body; 2. an outer tube mold cavity; 3. an inner tube mold cavity; 4. a side tube mold cavity; 5. core pulling of the outer tube; 6. core pulling of the inner tube; 7. core pulling of the side pipe; 8. core pulling and taking-out device; 9. a main extraction track; 10. a master cylinder; 11. a first piston block; 12. a first telescopic hole; 13. penetrating the rod; 14. a second telescopic hole; 15. a clamping block; 16. a second piston block; 17. a first guide rod; 18. a first guide hole; 19. a second guide rod; 20. a second guide hole; 21. a clamping groove; 22. a clamping block; 23. an outer tube; 24. an inner tube; 25. side pipes.
Detailed Description
The present application is described in further detail below in conjunction with figures 3-9.
The embodiment of the application discloses a pipe-in-pipe die.
Referring to fig. 3 and 4, a pipe-in-pipe mold comprises a mold main body 1, wherein the mold main body 1 is an injection mold, an outer pipe mold cavity 2 is formed at one end of the mold main body 1, an inner pipe mold cavity 3 is coaxially formed at the bottom of the outer pipe mold cavity 2, the outer pipe mold cavity 2 and the inner pipe mold cavity 3 are cylindrical, and the radius of the outer pipe mold cavity 2 is larger than that of the inner pipe mold cavity 3.
Referring to fig. 4 and 5, two side tube mold cavities 4 with different radiuses are formed in the mold main body 1, the two side tube mold cavities 4 are cylindrical, the two side tube mold cavities 4 are respectively communicated with the outer tube mold cavity 2 and the inner tube mold cavity 3, and the axes of the two side tube mold cavities 4 are respectively perpendicular to the axes of the outer tube mold cavity 2 and the inner tube mold cavity 3.
Referring to fig. 4 and 5, an outer tube core-pulling 5 in a circular tube shape is coaxially and movably arranged in the outer tube die cavity 2, an inner tube core-pulling 6 in a hollow cylindrical shape is coaxially and movably arranged in the outer tube core-pulling 5, the outer diameter of the inner tube core-pulling 6 is smaller than the inner diameter of the outer tube core-pulling 5, and one end of the inner tube core-pulling 6 penetrates through the outer tube core-pulling 5 and is positioned in the inner tube die cavity 3. Both side tube mold cavities 4 are coaxially and movably provided with cylindrical side tube core-pulling cores 7.
When the injection molding die is used, the die body 1 is subjected to injection molding, injection molding materials are molded in the outer tube die cavity 2, the inner tube die cavity 3 and the two side tube die cavities 4, and under the action of the outer tube core-pulling 5, the inner tube core-pulling 6 and the two side tube core-pulling 7, the injection molding materials form a tube-in-tube.
Referring to fig. 3 and 4, the mold body 1 is provided with core-pulling out devices 8 for taking out two side tube cores 7 at the openings of the two side tube cavities 4, respectively, and the two core-pulling out devices 8 are conventional in the prior art.
When the device is used, after the injection molding material is molded, the core-pulling and taking-out device 8 extracts the side pipe core-pulling 7, and the side pipe core-pulling 7 is separated from the pipe-in-pipe injection molding part.
Referring to fig. 3 and 4, the mold body 1 is mounted with a semi-square tubular main extraction rail 9, one end of the main extraction rail 9 is fixed at the opening of the outer tube cavity 2 of the mold body 1, and the main extraction rail 9 is communicated with the outer tube cavity 2. The main extraction track 9 is kept away from the one end fixed mounting of mould main part 1 and has master cylinder 10, and the protecgulum of master cylinder 10 is fixed mutually with the one end that master extraction track 9 kept away from mould main part 1, and the piston rod of master cylinder 10 stretches out and draws back in master extraction track 9 inner chamber, and master cylinder 10 piston rod axis and inner tube die cavity 3 axis are located same straight line. The tail end of a piston rod of the main oil cylinder 10 is provided with a first piston block 11, the first piston block 11 is positioned in the main extraction track 9, and the first piston block 11 is fixed with the inner pipe core-pulling 6.
When the inner tube core pulling device is used, the piston rod of the main oil cylinder 10 firstly contracts for a certain distance, the first piston block 11 moves, and at the moment, the inner tube core pulling 6 moves along with the piston rod of the main oil cylinder 10 and leaves the inner tube die cavity 3.
Referring to fig. 4 and 6, two first expansion holes 12 are formed in the first piston block 11 in a penetrating manner, the axes of the first expansion holes 12 and the inner tube core-pulling 6 are located on the same straight line, a penetrating rod 13 is coaxially and movably arranged in the first expansion holes 12, and the radius of the penetrating rod 13 is matched with that of the first expansion holes 12. A second expansion hole 14 coaxial with the first expansion hole 12 is formed in a surface of the first piston block 11 adjacent to the master cylinder 10 (a part of the first expansion hole 12 overlaps with the second expansion hole 14), and the aperture of the second expansion hole 14 is larger than that of the first expansion hole 12.
Referring to fig. 4 and 6, a clamp block 15 which cannot pass through the first telescopic hole 12 is fixedly installed at one end of the penetrating rod 13 near the master cylinder 10, and the clamp block 15 relatively moves in the second telescopic hole 14. In this embodiment, the penetrating rod 13 and the clamping block 15 are integrally formed as a bolt, the penetrating rod 13 is a bolt body, and the clamping block 15 is a bolt head. The second piston block 16 is installed to the one end of wearing pole 13 far away from fixture block 15, and the one end of wearing pole 13 is kept away from to second piston block 16 is fixed with outer tube loose core 5 mutually, and second piston block 16 is located main extraction track 9.
When the inner tube core-pulling device is used, when the piston rod of the main oil cylinder 10 is contracted, the first piston block 11 moves, the clamping block 15 relatively moves in the second shrinkage cavity, and when the inner tube core-pulling 6 leaves the inner tube die cavity 3, the clamping block 15 is clamped at the bottom of the second shrinkage cavity 14, and the clamping block 15 cannot pass through the first shrinkage cavity 12; the piston rod of the main oil cylinder 10 continues to shrink at the moment, the penetrating rod 13 drives the second piston block 16 to move, the second piston block 16 drives the outer tube core-pulling 5 to move, and at the moment, the outer tube core-pulling 5 and the inner tube core-pulling 6 are outwards pulled by the piston rod of the main oil cylinder 10 together until the outer tube core-pulling 5 and the inner tube core-pulling 6 are completely separated from the tube-in-tube injection molding product.
Referring to fig. 4 and 7, the first guide rod 17 is installed at both sides of the first piston block 11, the first guide rod 17 is located in the main extraction track 9, the axis of the first guide rod 17 is parallel to the axis of the piston rod of the main cylinder 10, two first guide holes 18 are formed in the front cover of the main cylinder 10 in a penetrating manner, the first guide rod 17 penetrates through the first guide holes 18, and one end of the first guide rod 17 penetrating through the first guide holes 18 is located outside the cylinder body of the main cylinder 10.
Referring to fig. 7 and 8, the second guide rod 19 is installed at both sides of the second piston block 16, the second guide rod 19 is located in the main extraction track 9, the axis of the second guide rod 19 is parallel to the axis of the piston rod of the main cylinder 10, two second guide holes 20 are formed in the front cover of the main cylinder 10 in a penetrating manner, the second guide rod 19 penetrates through the second guide holes 20, and one end of the second guide rod 19 penetrating through the second guide holes 20 is located outside the cylinder body of the main cylinder 10.
In use, the first guide rod 17 is restricted by the first guide hole 18, avoiding the first piston block 11 from shifting when moving; the second guide rod 19 is restricted by the second guide hole 20, avoiding the second piston block 16 from being shifted when moving.
Referring to fig. 8 and 9, one side of the first piston block 11 and the second piston block 16 abuts against one side of the inner wall of the main extraction rail 9. In use, the first piston block 11 and the second piston block 16 are in contact with the inner wall of the main extraction track 9, so that the first piston block 11 and the second piston block 16 move more stably.
Referring to fig. 8 and 9, both sides of the inner wall of the main extraction rail 9 are provided with square-strip-shaped clamping grooves 21, and clamping blocks 22 are uniformly arranged at positions of the first piston block 11 and the second piston block 16 corresponding to the clamping grooves 21, and the clamping blocks 22 are slidably arranged in the clamping grooves 21. When in use, the clamping blocks 22 are limited by the clamping grooves 21, so that the first piston block 11 and the second piston block 16 are further ensured not to deviate when moving.
The implementation principle of the pipe-in-pipe die in the embodiment of the application is as follows:
when the pipe-in-pipe injection molding piece is produced, injection molding materials are molded in the outer pipe die cavity 2, the inner pipe die cavity 3 and the two side pipe die cavities 4, and under the action of the outer pipe core pulling 5, the inner pipe core pulling 6 and the two side pipe core pulling 7, the injection molding materials form a pipe-in-pipe;
firstly, a core pulling and taking-out device 8 brings two side pipe core pulling cores 7 away from a pipe-in-pipe injection molding product;
then, the piston rod of the main oil cylinder 10 firstly contracts for a certain distance, so that the first piston block 11 moves and drives the inner tube core-pulling 6 to leave the inner tube die cavity 3, and at the moment, the clamping block 15 is positioned at the bottom of the second telescopic hole 14 and cannot pass through the first telescopic hole 12;
then, the piston rod of the main oil cylinder 10 continues to shrink, the clamping block 15 is clamped at the bottom of the second telescopic hole 14, the penetrating rod 13 drives the second piston block 16, the second piston block 16 drives the outer tube core-pulling 5, and at the moment, the inner tube core-pulling 6 and the outer tube core-pulling 5 are pulled away from the tube-in-tube injection molding product together;
finally, demolding the mold main body 1 to obtain a pipe-in-pipe injection molding product, resetting the main oil cylinder 10 and the core-pulling and taking-out device 8, and preparing for next production;
the inner tube core pulling 6 and the outer tube core pulling 5 are pulled away through two core pulling actions by using one main oil cylinder 10, the inner tube core pulling 6 and the outer tube core pulling 5 do not need to be pulled away by two oil cylinders, and the pipe-in-pipe die is simple in integral structure and small in size, so that the pipe-in-pipe die can be installed on a small tonnage injection molding machine and can be adapted to more types of injection molding machines.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A pipe-in-pipe die, characterized in that: the mold comprises a mold main body (1), wherein an outer pipe mold cavity (2) is formed in the mold main body (1), an inner pipe mold cavity (3) is coaxially formed in the bottom of the outer pipe mold cavity (2), an outer pipe core pulling (5) is movably arranged in the outer pipe mold cavity (2), an inner pipe core pulling (6) is movably arranged in the outer pipe core pulling (5), and one end of the inner pipe core pulling (6) is positioned in the inner pipe mold cavity (3);
the novel inner tube core pulling device comprises a main oil cylinder (10), wherein a first piston block (11) is arranged at the tail end of a piston rod of the main oil cylinder (10), the first piston block (11) is fixed with an inner tube core pulling (6), a first telescopic hole (12) is formed in the first piston block (11) in a penetrating mode, a penetrating rod (13) is movably arranged in the first telescopic hole (12), a clamping block (15) which cannot penetrate through the first telescopic hole (12) is arranged at one end, close to the main oil cylinder (10), of the penetrating rod (13), and one end, away from the clamping block (15), of the penetrating rod (13) is fixed with an outer tube core pulling (5).
2. A tube-in-tube mold according to claim 1, wherein: the novel hydraulic oil cylinder is characterized in that a first guide rod (17) is arranged on the first piston block (11), a first guide hole (18) is formed in the front cover of the main oil cylinder (10) in a penetrating mode, and the first guide rod (17) penetrates through the first guide hole (18).
3. A tube-in-tube mold according to claim 1, wherein: one end of the penetrating rod (13) far away from the clamping block (15) is fixed with a second piston block (16), and the second piston block (16) is fixed with the outer tube core pulling (5).
4. A pipe-in-pipe die according to claim 3, wherein: the main extraction track (9), the one end of main extraction track (9) with main hydro-cylinder (10) protecgulum is fixed mutually, the other end of main extraction track (9) be in outer tube die cavity (2) opening part with mould main part (1) is fixed mutually, main extraction track (9) with outer tube die cavity (2) are linked together, main hydro-cylinder (10) piston rod first piston block (11) with second piston block (16) are located in main extraction track (9).
5. A tube-in-tube mold according to claim 4, wherein: one side of the first piston block (11) and one side of the second piston block (16) are propped against the inner wall of the main extraction track (9).
6. A tube-in-tube mold according to claim 4, wherein: the clamping groove (21) is formed in the inner wall of the main extraction track (9), the first piston block (11) and the second piston block (16) are both provided with clamping blocks (22), and the clamping blocks (22) are slidably arranged in the clamping groove (21).
7. A pipe-in-pipe die according to claim 3, wherein: the second piston block (16) is provided with a second guide rod (19), a second guide hole (20) is formed in the front cover of the main oil cylinder (10) in a penetrating mode, and the second guide rod (19) penetrates through the second guide hole (20).
8. A tube-in-tube mold according to claim 1, wherein: a second telescopic hole (14) communicated with the first telescopic hole (12) is formed in one surface, close to the main oil cylinder (10), of the first piston block (11), the aperture of the second telescopic hole (14) is larger than that of the first telescopic hole (12), and the clamping block (15) moves relatively in the second telescopic hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320417617.8U CN219381406U (en) | 2023-03-06 | 2023-03-06 | Pipe-in-pipe die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320417617.8U CN219381406U (en) | 2023-03-06 | 2023-03-06 | Pipe-in-pipe die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219381406U true CN219381406U (en) | 2023-07-21 |
Family
ID=87197600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320417617.8U Active CN219381406U (en) | 2023-03-06 | 2023-03-06 | Pipe-in-pipe die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219381406U (en) |
-
2023
- 2023-03-06 CN CN202320417617.8U patent/CN219381406U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219381406U (en) | Pipe-in-pipe die | |
| CN104802372A (en) | Slide ejection and mould opening type injection mould | |
| CN212826598U (en) | Demoulding mechanism for high-precision plastic mould | |
| CN109049545B (en) | A mould for injection moulding of U type return bend spare | |
| CN113211742A (en) | Direct-ejection extrusion plastic part deformation back-off mechanism of automobile bumper injection mold | |
| CN107825669A (en) | Five logical radial core-pullings interlock axial movement demolding structure mould | |
| CN210415304U (en) | Injection mold with inner core-pulling sliding block | |
| CN110789066B (en) | Six-way pipe fitting injection mold | |
| CN109866397A (en) | A kind of composite slider transverse direction normal direction secondary core-pulling mechanism and injection mold | |
| CN210116134U (en) | Rotary core-pulling mechanism of parallel three-way elbow injection mold | |
| CN208133528U (en) | Mold | |
| CN108730243B (en) | Pressurized cylinder of mould closing device of blow molding machine | |
| CN108819143A (en) | A kind of secondary stripper apparatus of duplex injection mould for insert | |
| CN207736645U (en) | Three sleeve pull rod demoulding mechanism of injection mold | |
| CN107984706B (en) | Combined ejection mechanism and ejection method thereof | |
| CN212171187U (en) | Mould demoulding structure of plastic pipe | |
| JPS5917625Y2 (en) | mold for molding | |
| CN109551728B (en) | Silica gel tube forming die with side opening and forming method | |
| CN206242416U (en) | Injection mold is interrupted the big stroke pulled core structure of shaft hole | |
| CN214773627U (en) | Plastic mold assembly | |
| CN216579031U (en) | Eccentric injection mold is prevented to slender core | |
| CN110654004A (en) | Embedded gear circular arc core pulling mechanism | |
| CN205009530U (en) | Mold machine that pneumatic cylinder side is loosed core constructs | |
| CN211807630U (en) | Injection mold guiding mechanism | |
| CN220429104U (en) | Tee joint product injection mold with hoof-shaped side drawer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |