CN220903998U - Valve chamber cover injection mold - Google Patents
Valve chamber cover injection mold Download PDFInfo
- Publication number
- CN220903998U CN220903998U CN202322642760.XU CN202322642760U CN220903998U CN 220903998 U CN220903998 U CN 220903998U CN 202322642760 U CN202322642760 U CN 202322642760U CN 220903998 U CN220903998 U CN 220903998U
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- Prior art keywords
- core
- block
- hot runner
- injection mold
- sliding
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- 238000002347 injection Methods 0.000 title claims abstract description 14
- 239000007924 injection Substances 0.000 title claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract 5
- 238000000429 assembly Methods 0.000 claims abstract 5
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides an injection mold for a valve chamber cover, which comprises a top plate, an upper mold, a lower mold, an ejector plate and a bottom plate which are sequentially arranged, wherein a cavity for molding a product is formed between the upper mold and the lower mold, the top plate comprises an upper top plate and a lower top plate, a core pulling assembly I and a core pulling assembly II are arranged on the side face of the lower mold, a plurality of core pulling assemblies III are arranged in the lower top plate, the core pulling assemblies I and II are used for pulling away a core at the bottom of the product, the core pulling assemblies are used for pulling out inclined holes at the top of the product, a hot runner plate is fixedly arranged above the upper mold, a conveying block is fixedly arranged on the hot runner plate, a sprue is fixedly arranged at one end of the conveying block, a hot runner is fixedly arranged at the other end of the conveying block, and hot runners are respectively arranged in the sprue, the conveying block and the hot runner for conveying fluid to the cavity.
Description
Technical Field
The utility model relates to a mold, in particular to an injection mold for a valve chamber cover.
Background
As shown in fig. 1, a valve chamber cover comprises a body, wherein a back-up buckle 40 is arranged at the bottom of the body, and an inclined hole 41 is arranged at the top of the body.
In general, when demoulding similar products, the inclined hole 41 at the top of the body needs to be pulled through the top plate, so that the hot flow pipe can rise along with the top plate, when the temperature control is not in the time, the fluid can leak, the hot flow channel opening is blocked, and the hot flow channel opening is blocked for a long time, so that the damage of the hot flow channel can be caused.
Disclosure of utility model
In view of the above, an object of the present utility model is to provide an injection mold for a valve chamber cover, which is fixed by a hot runner, and prevents damage to the hot runner.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a valve chamber lid injection mold, includes roof, last mould, lower mould, ejector plate, the bottom plate that arrange in proper order, has seted up the die cavity that is used for the shaping product between last mould and the lower mould, the roof includes roof and lower roof, the lower mould side is equipped with core-pulling assembly one and core-pulling assembly two, is provided with a plurality of core-pulling assembly three in the lower roof, core-pulling assembly one, core-pulling assembly two are used for taking out the core of product bottom, core-pulling assembly three-purpose is in order to take out the inclined hole at product top, go up the fixed hot runner board that is equipped with in mould top, be fixed with the delivery block on the hot runner board, the hot runner is fixed in delivery block one end, and the hot runner is fixed at the delivery block other end, all seted up hot runner in delivery block and the hot runner, carry the die cavity through hot runner.
Through above-mentioned technical scheme, the core is taken out through loose core subassembly one, loose core subassembly two, loose core subassembly three before the branch mould, prevents the product damage, and when dividing the mould, through roof and hot runner plate separation, go up mould and hot runner plate fixed, make the hot flow pipe fixed in last mould, prevent that the hot flow pipe from appearing separating with the die cavity before the die sinking to lead to the fluid to drop into when the control by temperature change is not time and make runner mouth damage.
Preferably, the core pulling assembly I comprises a power source I, a sliding block I and an inclined block group I, wherein the inclined block group I is fixedly arranged at the output end of the power source I, a chute is formed in the side end of the lower die, the chute is fixedly connected with the sliding block I, a sliding groove I is formed below the inclined block group, and the sliding block I is connected with the sliding groove I in a sliding mode.
Through the technical scheme, the inclined block group is driven to move on the sliding block by the first power source, so that core pulling action is completed.
Preferably, the core pulling assembly II comprises a power source II, a sliding block II, an inclined block group II and a mounting plate, wherein the mounting plate is fixed on the bottom surface of the lower die, the sliding block II is fixedly connected with the mounting plate, the inclined block group II is arranged at the output end of the power source II, a sliding groove II is arranged at the bottom of the inclined block group II, the sliding block II is in sliding connection with the sliding groove II, an inclined guide groove is arranged on the inclined block group II, and the inclined block group II is in sliding connection with the inclined block II through the inclined guide groove.
Through the technical scheme, when the power source II pulls the inclined block group II through the sliding between the inclined guide groove and the inclined block II, the inclined block II moves out along the inclined direction of the back-off, so that the processing quantity of the chute of the lower die is reduced, and the processing cost of the lower die is reduced.
Preferably, the second inclined block group is provided with a plurality of limiting grooves, a limiting column is fixed on the mounting plate, and the limiting column is clamped into the limiting grooves.
Through the cooperation between above-mentioned technical scheme spacing post and the spacing groove, increase the slip precision of sloping block group two to prevent to appear the dead phenomenon of card between sloping block two and the guide way, increase the running stability of mould, guarantee the shaping quality of product.
Preferably, the clamping holes are formed in two side surfaces of the upper die, clamping blocks are arranged in the holes, air passages are formed in the bottom surfaces of the clamping holes, the clamping blocks are driven to leak out or retract into the clamping holes through air pressure in the air passages, long rods are fixedly arranged at the side ends of the lower die, locking grooves are formed in the long rods, and the side walls of the locking grooves are propped against the clamping blocks.
Through above-mentioned technical scheme, through the cooperation between fixture block and the locked groove, when preventing that injection molding machine hydraulic system from damaging, go up mould and lower mould and take place the separation when the compound die.
Preferably, the upper and lower surfaces of the conveying block are provided with heating wires, and the heating wires are used for heating the fluid in the conveying block.
Through the technical scheme, when the die is separated, fluid is prevented from dripping on a product due to inaccurate temperature control.
Preferably, the lower top plate is fixedly connected with the core pulling assembly through a screw, the core pulling assembly comprises a core and a moving block, the core is used for forming an inclined hole of the product, a sliding groove III is formed below the moving block, and the core is connected with the moving block in a sliding mode.
Through the technical scheme, the core pulling assembly III is fixed on the lower top plate, and the inclined holes are automatically pulled out when the lower top plate is separated from the hot runner plate, so that the use of the oil cylinder is reduced.
Drawings
FIG. 1 is a schematic structural view of a product;
FIG. 2 is a schematic view of the structure of the outside of the mold;
FIG. 3 is a schematic view of the structure of the core back assembly I and the lower mold;
FIG. 4 is a schematic structural view of a second core pulling assembly;
FIG. 5 is a schematic diagram of the structure of a transport block and a thermal flow tube;
FIG. 6 is a schematic structural view of a core pulling assembly III;
FIG. 7 is a schematic view of the structure of the outer parts of the upper and lower molds;
Fig. 8 is a schematic diagram of the structure of the transport block.
Reference numerals: 1. a top plate; 2. an upper die; 3. a lower die; 4. an ejector plate; 5. a bottom plate; 6. a core pulling assembly I; 7. core pulling assembly II; 8. a core pulling assembly III; 9. an upper top plate; 10. a lower top plate; 11. a hot runner plate; 12. a transport block; 13. a sprue bushing; 14. a thermal flow tube; 15, a first power source; 16. a first sliding block; 17. the first inclined block group is formed; 18. a clamping groove I; 19. a first cylinder piston rod; 20. a first chute; 21. a chute; 22. an oblique block I; 23. a second power source; 24. a second slide block; 25. a second oblique block group; 26. a mounting plate; 27. a second oblique block; 28. a clamping groove II; 29. a second cylinder piston rod; 30. a core; 31. a moving block; 32. a chute III; 33. a limit groove; 34. a limit column; 35. a clamping hole; 36. a clamping block; 37. a long rod; 38. a locking groove; 39. a heating wire; 40. reversing; 41. and (5) an inclined hole.
Detailed Description
The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.
The utility model provides a valve chamber lid injection mold, including roof 1 that arranges in proper order, go up mould 2, lower mould 3, ejector plate 4, bottom plate 5, go up mould 2 and lower mould 3 between seted up the die cavity that is used for the shaping product, roof 1 includes roof 9 and lower roof 10, lower mould 3 side is equipped with core subassembly one 6 and core subassembly two 7, be provided with a plurality of core subassembly three 8 in the lower roof 10, core subassembly one 6, core subassembly two 7 are used for taking out the sloping block one 22 and the sloping block two 27 of product bottom, core subassembly three 8 are used for taking out the inclined hole 41 at product top, go up mould 2 top and be fixed and be equipped with hot runner board 11, the hot runner board is fixed with transport block 12, the sprue 13 is fixed in transport block 12 one end, the hot runner 14 is fixed at the transport block 12 other end, all seted up the hot runner in sprue 13, transport block 12 and the hot runner 14, carry fluid to the die cavity through the hot runner.
The core pulling assembly I6 comprises a power source I15, a slide block I16 and an inclined block group I17, wherein the power source I15 comprises an oil cylinder, the inclined block group I17 is fixedly arranged at the output end of the power source I15 in a matched mode through a clamping groove I18 and an oil cylinder piston rod I19, a chute 21 is formed in the side end of the lower die 3, a chute I20 is arranged below the inclined block group I17, and when the power source I15 works, the inclined block group I17 moves obliquely along with the slide block I16 and drives an inclined block I22 to complete core pulling.
The core pulling assembly II 7 comprises a power source II 23, a slide block II 24, an inclined block group II 25 and a mounting plate 26, wherein the power source II 23 comprises an oil cylinder, the mounting plate 26 is fixed with the bottom surface of the lower die 3 through threads, the slide block II 24 is fixedly connected with the mounting plate 26 through threads, the inclined block group II 25 is matched with an oil cylinder piston rod II 29 through a clamping groove II 28 to be arranged at the output end of the power source II 23, a slide groove II is arranged on the bottom surface of the inclined block group II 25, when the power source II 23 starts to work, the inclined block group II 25 is matched with the slide groove II to linearly move with the slide block II 24, a T-shaped inclined guide groove is arranged on the inclined block group II 25, and when the inclined block II 27 moves, the inclined block II 27 moves along the direction of the inclined guide groove and is matched with the slide block II 24 to linearly move so as to realize the core pulling function of the inclined block II 27.
The lower top plate 10 is fixedly connected with the core pulling assembly III 8 through screws, the core pulling assembly III 8 comprises a core 30 and a moving block 31, the core 30 is used for forming an inclined hole 41 above a product, a sliding groove III 32 is formed below the moving block 31, the sliding groove III 32 is a T-shaped groove, the core 30 moves in the sliding groove III 32, and when the mold is separated, the moving block 31 moves outwards along with the top plate 1, and the sliding groove III 32 is provided with an angle, so that when the moving block 31 moves linearly, the core 30 moves obliquely.
The second slide block 24 is provided with a plurality of limit grooves 33, a limit post 34 is fixed on the mounting plate 26, the limit post 34 is clamped into the limit groove 33, when the second slide block 24 moves backwards, the position is determined through the limit post 34, and the limit post 34 is also used for fixedly connecting the bottom plate 5 and the lower die 3.
The clamping holes 35 are formed in the two side faces of the upper die 2, clamping blocks 36 are arranged in the clamping holes 35, air passages are formed in the bottom faces of the clamping holes 35, the clamping blocks 36 are driven to leak out or retract into the clamping holes 35 through air pressure in the air passages, when the dies are in die closing, the clamping blocks 36 leak out of the clamping holes 35 through increasing air pressure in the air passages, a long rod 37 is fixedly arranged at the side end of the lower die 3, a locking groove 38 is formed in the long rod 37, the side walls of the locking groove 38 are abutted against the clamping blocks 36, and when the dies are ready to be separated, negative pressure is formed in the clamping holes 35 through the air passages, so that the clamping blocks 36 retract into the clamping holes 35, and at the moment, the long rod 37 can move along with the lower die 3.
The upper and lower surfaces of the conveying block 12 are provided with heating wires 39, so that a heat preservation effect is provided for fluid in the conveying block 12 when the die is split, and the fluid is prevented from dripping on a product or the die due to unstable temperature control during the die splitting.
During die assembly, fluid sequentially enters the die cavity through the sprue 13, the conveying block 12 and the hot runner 14, the core-pulling assembly I6 and the core-pulling assembly II 7 begin to pull cores during die separation, the oil cylinder drives the core-pulling assembly I6 and the core-pulling assembly II 7 to complete core-pulling action, the conveying block 12 is fixed on the hot runner plate 11, the hot runner plate 11 and the upper die 2 are separated together, the top plate 1 drives the core-pulling assembly III 8 to complete core-pulling action, the clamping block 36 is retracted into the clamping hole 35, the lower die 3 is separated outwards, and then the ejector plate 4 separates products through the ejector rod.
Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.
Claims (7)
1. The utility model provides a valve chamber lid injection mold, includes roof (1), last mould (2), lower mould (3), ejector plate (4), bottom plate (5) of arranging in proper order, has offered the die cavity that is used for the shaping product, characterized by between last mould (2) and lower mould (3): roof (1) are including last roof (9) and roof (10) down, lower mould (3) side is equipped with core subassembly one (6) and core subassembly two (7) of loosing core, is provided with a plurality of core subassembly three (8) in roof (10) down, core subassembly one (6), core subassembly two (7) are used for taking out core (30) of product bottom, core subassembly three (8) are used for taking out inclined hole (41) at product top, it is fixed to be equipped with hot runner board (11) to go up mould (2) top, be fixed with transport piece (12) on hot runner board (11), pump nozzle (13) are fixed in transport piece (12) one end, and hot runner (14) are fixed in transport piece (12) other end, pump nozzle (13), transport piece (12) and hot runner are all offered in (14), carry the die cavity with fluid through the hot runner.
2. The valve cover injection mold of claim 1, wherein: the core pulling assembly I (6) comprises a power source I (15), a sliding block I (16) and an inclined block group I (17), wherein the inclined block group I (17) is fixedly arranged at the output end of the power source I (15), a chute (21) is formed in the side end of the lower die (3), the chute (21) is fixedly connected with the sliding block I (16), a sliding groove I (20) is arranged below the inclined block group I (17), and the sliding block I (16) is connected with the sliding groove I (20) in a sliding mode.
3. The valve cover injection mold of claim 1, wherein: the core pulling assembly II (7) comprises a power source II (23), an inclined block II (27), a sliding block II (24), an inclined block group II (25) and a mounting plate (26), wherein the mounting plate (26) is fixed on the bottom surface of the lower die (3), the inclined block group II (25) is arranged at the output end of the power source II (23), one side of the inclined block group II (25) deviating from the power source II (23) is provided with an inclined guide groove, and the inclined block group II (25) and the inclined block II (27) are connected in a sliding manner through the inclined guide groove.
4. A valve cover injection mold according to claim 3, characterized in that: the second sliding block (24) is provided with a plurality of limiting grooves (33), a limiting column (34) is fixed on the mounting plate (26), and the limiting column (34) is clamped into the limiting grooves (33).
5. The valve cover injection mold of claim 1, wherein: clamping holes (35) are formed in two side surfaces of the upper die (2), clamping blocks (36) are arranged in the holes, air passages are formed in the bottom surfaces of the clamping holes (35), the clamping blocks (36) are driven to leak out or retract into the clamping holes (35) through air pressure in the air passages, long rods (37) are fixedly arranged at the side ends of the lower die (3), locking grooves (38) are formed in the long rods (37), and the side walls of the locking grooves (38) are abutted to the clamping blocks (36).
6. The valve cover injection mold of claim 1, wherein: and heating wires (39) are arranged on the upper surface and the lower surface of the conveying block (12), and the heating wires (39) are used for heating fluid in the conveying block (12).
7. The valve cover injection mold of claim 1, wherein: the lower top plate (10) is fixedly connected with the core pulling assemblies III (8) through screws, the core pulling assemblies III (8) comprise a core (30) and a moving block (31), the core (30) is used for forming an inclined hole (41) of a product, a sliding groove III (32) is formed in the lower portion of the moving block (31), and the core (30) is connected with the moving block (31) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322642760.XU CN220903998U (en) | 2023-09-27 | 2023-09-27 | Valve chamber cover injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322642760.XU CN220903998U (en) | 2023-09-27 | 2023-09-27 | Valve chamber cover injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220903998U true CN220903998U (en) | 2024-05-07 |
Family
ID=90913393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322642760.XU Active CN220903998U (en) | 2023-09-27 | 2023-09-27 | Valve chamber cover injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220903998U (en) |
-
2023
- 2023-09-27 CN CN202322642760.XU patent/CN220903998U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |