CN117382111A - Injection mold for processing automobile parts - Google Patents
Injection mold for processing automobile parts Download PDFInfo
- Publication number
- CN117382111A CN117382111A CN202311684560.9A CN202311684560A CN117382111A CN 117382111 A CN117382111 A CN 117382111A CN 202311684560 A CN202311684560 A CN 202311684560A CN 117382111 A CN117382111 A CN 117382111A
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- Prior art keywords
- fixed
- mold
- sliding
- die
- rod
- Prior art date
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- 238000002347 injection Methods 0.000 title claims abstract description 29
- 239000007924 injection Substances 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000001746 injection moulding Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 230000001960 triggered effect Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims 8
- 238000005086 pumping Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 description 12
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 238000013459 approach Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/67—Mould opening, closing or clamping devices hydraulic
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
Abstract
The invention relates to the field of injection molds, in particular to an injection mold for processing automobile parts, which comprises a movable mold and a fixed mold which are arranged on a base, and further comprises: the mold clamping mechanism is used for driving the movable mold to be combined with the fixed mold or separated from the fixed mold; the vacuumizing mechanism is arranged on the fixed die, the die clamping mechanism drives the vacuumizing mechanism to suck air in the die cavity in the process of driving the movable die to be matched with the fixed die, and after the die clamping mechanism drives the movable die to be separated from the fixed die, the vacuumizing mechanism self-resets and compresses the air sucked in the vacuumizing mechanism to eject a product in the die cavity; the movable mould is provided with a retaining component, the fixed mould is provided with a cooling component, the locking component locks the mould closing mechanism when the movable mould is driven to be aligned with the fixed mould, after injection molding is completed, products in the mould cavity are cooled by the cold water component to be molded, and simultaneously the retaining component is unlocked by utilizing hydraulic pressure, so that the locking mechanism drives the movable mould to be separated from the fixed mould, and the locking component is triggered to reset in the process.
Description
Technical Field
The invention relates to the field of injection molds, in particular to an injection mold for processing automobile parts.
Background
In the manufacturing process of automobiles, parts of plastic products need to be processed, so that an injection mold is needed to be used for injection molding of the plastic products. Because the air in the die cavity after the die assembly can not be discharged in time during injection molding, the injection molding pressure is high, air bubbles are easily generated after cooling and molding after liquid rapidly enters the die cavity, the injection molding pressure is limited, the production efficiency is reduced, the generated defective products are more, in addition, after the die assembly, the injection molding pressure is high, the situation that the die expands easily occurs, and the injection molding is failed.
Disclosure of Invention
The invention aims to provide an injection mold for processing automobile parts, which aims to solve the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: injection mold is used in automobile parts processing, including setting up movable mould and cover half on the base, still include:
the mold clamping mechanism is used for driving the movable mold to be combined with the fixed mold or separated from the fixed mold;
the vacuumizing mechanism is arranged on the fixed die, the die clamping mechanism drives the vacuumizing mechanism to suck air in the die cavity in the process of driving the movable die to be matched with the fixed die, and after the die clamping mechanism drives the movable die to be separated from the fixed die, the vacuumizing mechanism self-resets and compresses the air sucked in the vacuumizing mechanism to eject a product in the die cavity;
the movable die is provided with a retaining component, the fixed die is provided with a cooling component, the locking component locks the die closing mechanism when the movable die and the fixed die are driven to be aligned by the die closing mechanism, after injection molding is completed, products in the die cavity are cooled by the cold water component to be molded, and the retaining component is unlocked by utilizing hydraulic pressure force at the same time, so that the movable die and the fixed die are driven to be separated by the die closing mechanism, and the retaining component is triggered to reset by the die closing mechanism in the process.
Preferably, the fixed die is fixed on the base through a bracket, the movable die is arranged on the die clamping mechanism, a positioning groove is formed in one side of the fixed die, which faces the movable die, a positioning rod matched with the positioning groove is fixed on one side of the movable die, an injection molding channel communicated with the die cavity is formed in the movable die, and the inlet end of the injection molding channel is fixedly connected with the filling nozzle.
Preferably, the mould closing mechanism comprises a vertical plate, a sliding seat is fixed at the bottom of the vertical plate, the sliding seat is slidably connected onto a sliding rail fixed on the base, an avoidance hole for the filling nozzle to pass through is formed in the vertical plate, the vertical plate is in transmission connection with the hydraulic cylinder, a sliding rod is fixed on the vertical plate, a sliding frame is fixed on the side wall of the movable mould, the sliding rod penetrates through and is slidably connected onto the sliding frame, and the sliding frame is connected with the vertical plate through a first spring.
Preferably, the vacuumizing mechanism comprises a pump cylinder fixed on the fixed die, a piston plate is connected in a sliding manner in the pump cylinder, the piston plate is fixedly connected with a deflector rod through a push-pull rod, the deflector rod is connected with one end of the pump cylinder through a second spring, and the sliding rod can be in buckling contact with the deflector rod.
Preferably, the end wall of the pump barrel is fixedly and communicated with the first check valve and the second check valve, the first check valve is connected with an exhaust channel arranged on the movable die through the first air pipe, the second check valve is connected with a stepped hole arranged on the fixed die through the second air pipe, the conducting direction of the first check valve points to the inside of the pump barrel, and the conducting direction of the second check valve points to the stepped hole.
Preferably, the movable mould is provided with a slideway communicated with the mould cavity and the exhaust channel, the inside of the slideway is inserted and connected with a plug in a sliding way, the plug can plug the exhaust channel, one end of the plug, which is far away from the mould cavity, is fixed with a pressing plate, the pressing plate is connected with the side wall of the movable mould through a spring IV, a trapezoidal convex plate is fixed on the sliding rod, and the trapezoidal convex plate can be in buckling contact with the pressing plate.
Preferably, the stepped hole is communicated with the die cavity, a top plate is embedded at one end of the stepped hole facing the die cavity, a supporting rod is fixed on the inner wall of the stepped hole, a supporting rod is connected to the supporting rod in a sliding mode, one end of the supporting rod is fixedly connected with the top plate, and the other end of the supporting rod is connected with the supporting rod through a spring six.
Preferably, the cold water assembly comprises a water channel arranged in the fixed die, one end of the water channel is connected with the water inlet pipe, the other end of the water channel is connected with the water outlet pipe, and the side wall of the water inlet pipe is connected with a branch pipe.
Preferably, the retaining component comprises a sliding cylinder fixed on the sliding frame, a sliding plate is connected in the sliding cylinder in a sliding manner, one side of the sliding plate is connected with one end in the sliding cylinder through a third spring, the other side of the sliding plate is vertically and fixedly connected with a retaining rod, one end of the retaining rod, which is far away from the sliding plate, is in a wedge shape, the wedge surface of the end faces the sliding frame, a buckling groove is formed in the sliding rod, the wedge end of the retaining rod can be inserted into the buckling groove, a branch pipe is communicated with the sliding cylinder, a third check valve is connected on the branch pipe, and the conducting direction of the third check valve is directed to the inside of the sliding cylinder.
Preferably, a valve cylinder is fixed on the movable mould, a first through hole and a second through hole are formed in the side wall of the valve cylinder, the first through hole is communicated with the sliding cylinder through a first water pipe, the second through hole is connected with a second water pipe, a valve rod is inserted in the valve cylinder and connected with the bottom of the valve cylinder in a sliding mode, the valve rod is connected with the bottom of the valve cylinder through a fifth spring, the valve rod can simultaneously block the first through hole and the second through hole, a third through hole is formed in the valve rod, the third through hole can simultaneously be communicated with the first through hole and the second through hole, and the trapezoid convex plate can be in buckling contact with the valve rod.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the mold clamping mechanism drives the vacuumizing mechanism to suck out air in the mold cavity in the process of driving the movable mold and the fixed mold to be closed, so that the problem of air bubbles in the product during injection molding is avoided, and the yield is greatly improved.
According to the invention, the locking assembly is locked to the die closing mechanism when the die closing mechanism drives the movable die to be aligned with the fixed die, so that the movable die and the fixed die can be ensured to be in a stable die closing state when a high-pressure state occurs in the die cavity, the condition that the die expands is avoided, and therefore, the stable reliability of injection molding operation is ensured.
Drawings
FIG. 1 is a schematic diagram of the sectional structure of the assembly of the present invention;
FIG. 2 is a schematic diagram of a cross-sectional structure of a final assembly of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A in FIG. 1;
FIG. 4 is an enlarged schematic view of the structure at B in FIG. 1;
fig. 5 is an enlarged schematic view of the structure at C in fig. 2.
In the figure: 1. a base; 2. a bracket; 3. a trapezoidal convex plate; 4. a carriage; 5. a slide; 6. a slide rail; 7. avoidance holes; 8. a filling nozzle; 9. a vertical plate; 10. a first spring; 11. a slide bar; 12. a valve cylinder; 13. a first air pipe; 14. a first check valve; 15. a pump cylinder; 16. a piston plate; 17. a push-pull rod; 18. a second spring; 19. a deflector rod; 20. a water outlet pipe; 21. a water inlet pipe; 22. a branch pipe; 23. a water channel; 24. a third check valve; 25. a slide cylinder; 26. a slide plate; 27. a stop rod; 28. a buckling groove; 29. a third spring; 30. a first water pipe; 31. a movable mold; 32. a fixed mold; 33. a positioning rod; 34. a positioning groove; 35. an injection molding channel; 36. an exhaust passage; 37. a slideway; 38. a plug; 39. a spring IV; 40. a pressing plate; 41. a second air pipe; 42. a second check valve; 43. a first through hole; 44. a valve stem; 45. a second through hole; 46. a third through hole; 47. a second water pipe; 48. a spring V; 49. a stepped hole; 50. a support rod; 51. a push rod; 52. a spring six; 53. and a top plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides an injection mold is used in automobile parts processing, including setting up movable mould 31 and cover half 32 on base 1, cover half 32 passes through support 2 to be fixed on base 1, and movable mould 31 sets up on locking mechanism, and the constant head tank 34 has been seted up towards one side of movable mould 31 to cover half 32, and movable mould 31 is fixed with the locating lever 33 with constant head tank 34 looks adaptation towards one side of cover half 32, has seted up the passageway 35 of moulding plastics that is linked together with the die cavity on the movable mould 31, and the entrance point fixed connection of passageway 35 of moulding plastics fills mouth 8, still includes:
the mold clamping mechanism is used for driving the movable mold 31 to be combined with or separated from the fixed mold 32;
the vacuumizing mechanism is arranged on the fixed die 32, the die clamping mechanism drives the vacuumizing mechanism to suck air in the die cavity in the process of driving the movable die 31 to be combined with the fixed die 32, and after the die clamping mechanism drives the movable die 31 to be separated from the fixed die 32, the vacuumizing mechanism self-resets and compresses the air sucked in the vacuumizing mechanism to eject a product in the die cavity;
the movable mold 31 is provided with a retaining component, the fixed mold 32 is provided with a cooling component, the locking component locks the mold closing mechanism when the movable mold 31 and the fixed mold 32 are driven to be closed by the mold closing mechanism, after injection molding is completed, products in the mold cavity are cooled by the cold water component to be molded, and meanwhile, the retaining component is unlocked by utilizing water pressure, so that the movable mold 31 is driven to be separated from the fixed mold 32 by the mold closing mechanism, and the retaining component is triggered to be reset by the mold closing mechanism in the process.
In this embodiment, locking mechanism includes riser 9, riser 9 bottom is fixed with slide 5, and slide 5 sliding connection is on the slide rail 6 that is fixed in on the base 1, set up on the riser 9 and make the dodging hole 7 that fills the mouth 8 and pass, riser 9 is connected with the pneumatic cylinder transmission, the pneumatic cylinder is not drawn in this application, the pneumatic cylinder plays the effect of riser 9 push-and-pull, make riser 9 drive movable mould 31 to cover half 32 be close to or keep away from, thereby make movable mould 31 and cover half 32 involution or separation, be fixed with slide bar 11 on the riser 9, be fixed with balladeur train 4 on the movable mould 31 lateral wall, slide bar 11 runs through and sliding connection is on balladeur train 4, balladeur train 4 is connected with riser 9 through spring one 10.
In this embodiment, the vacuumizing mechanism includes a pump cylinder 15 fixed on a fixed mold 32, a piston plate 16 is slidably connected to the pump cylinder 15, the piston plate 16 is fixedly connected to a deflector rod 19 through a push-pull rod 17, the deflector rod 19 is connected to one end of the pump cylinder 15 through a second spring 18, and the slide rod 11 can be in abutting contact with the deflector rod 19.
In this embodiment, the first check valve 14 and the second check valve 42 are fixed and connected to the end wall of the pump cylinder 15, the first check valve 14 is connected to the air exhaust channel 36 provided on the movable mold 31 through the first air pipe 13, the second check valve 42 is connected to the stepped hole 49 provided on the fixed mold 32 through the second air pipe 41, the conducting direction of the first check valve 14 is directed to the inside of the pump cylinder 15, the conducting direction of the second check valve 42 is directed to the stepped hole 49, the movable mold 31 is provided with a slide 37 communicated with the mold cavity and the air exhaust channel 36, a plug 38 is inserted and slidingly connected to the inside of the slide 37, the plug 38 can plug the air exhaust channel 36, one end of the plug 38 away from the mold cavity is fixed with the pressing plate 40, the pressing plate 40 is connected to the side wall of the movable mold 31 through the fourth spring 39, the trapezoidal convex plate 3 is fixed to the sliding rod 11, the trapezoidal convex plate 3 can be in buckling contact with the pressing plate 40, the stepped hole 49 is communicated with the mold cavity, one end of the stepped hole 49 facing the mold cavity is connected to the top plate 53, a strut 50 is fixed to the inner wall of the stepped hole 49, one end of the strut 50 is slidingly connected to the strut 50, one end of the strut 51 is slidingly connected to the other end of the strut 53 is connected to the sixth top plate 52 through the spring 52, and the other end is fixedly connected to the top plate 52.
In this embodiment, the cold water assembly includes a water channel 23 provided in a fixed mold 32, one end of the water channel 23 is connected with a water inlet pipe 21, the other end is connected with a water outlet pipe 20, a branch pipe 22 is connected to a side wall of the water inlet pipe 21, the water inlet pipe 21 is connected with a water pump, and the water outlet pipe 20 is connected with a water pool.
In this embodiment, the retaining assembly includes a sliding tube 25 fixed on the sliding frame 4, the sliding tube 25 is slidably connected with the sliding plate 26, one side of the sliding plate 26 is connected with one end in the sliding tube 25 through a third spring 29, the other side is vertically and fixedly connected with a retaining rod 27, one end of the retaining rod 27, which is far away from the sliding plate 26, is wedge-shaped, and the wedge surface of the end is arranged towards the sliding frame 4, a buckling groove 28 is formed on the sliding rod 11, the wedge-shaped end of the retaining rod 27 can be inserted into the buckling groove 28, the branch tube 22 is communicated with the sliding tube 25, a third check valve 24 is connected to the branch tube 22, the conducting direction of the third check valve 24 points to the inside of the sliding tube 25, a valve tube 12 is fixed on the moving die 31, a first through hole 43 and a second through hole 45 are formed on the side wall of the valve tube 12, the first through hole 43 is communicated with the sliding tube 25 through a first water tube 30, the second through hole 45 is connected with a water tube 47, the second water tube 47 is connected with the second water tube 47, the wedge-shaped end is inserted into the sliding connection valve rod 44, the valve rod 44 is connected with the bottom of the valve tube 12 through a fifth spring 48, the second through a fourth spring 48 can be inserted into the buckling groove 44, the second through hole 43 and the second through hole 45 can be simultaneously, the second through a third through hole 45 and the second through 45 can be contacted with the third through valve rod 45 and the second through valve rod 44 is connected with the second through a second through hole 45, and the second through a second through valve rod 44 is connected with the second through a fourth through valve has a second through a second valve, and a fourth, and a second valve has can.
The invention has the working principle and advantages that: when the injection mold for processing the automobile parts is used, the working process is as follows:
as shown in fig. 2, in the initial state of the mold, when the mold is required to be closed, the hydraulic cylinder is started to enable the vertical plate 9 to approach the fixed mold 32, the vertical plate 9 drives the sliding seat 5 to slide on the sliding rail 6, meanwhile, the vertical plate 9 drives the movable mold 31 to approach the fixed mold 32 through the spring and the sliding rod 11, the positioning rod 33 and the positioning groove 34 play a role of guiding and positioning, the movable mold 31 and the fixed mold 32 are ensured to be aligned accurately, and when the movable mold 31 is in abutting contact with the fixed mold 32, the vertical plate 9 compresses the spring one 10 at the moment, so that the spring one 10 obtains a restoring force, and simultaneously, the sliding rod 11 moves rightwards relative to the sliding frame 4 in fig. 1 and 2, when the sliding rod 11 is in abutting contact with the shifting rod 19, the sliding rod 11 stretches the spring two 18 through the shifting rod 19, the spring two 18 obtains a restoring force, and simultaneously, the shifting rod 19 drives the piston plate 16 to move rightwards in the pump cylinder 15 through the shifting rod 17, and applies suction force to the pump cylinder 15, and as the conducting direction of the one-way valve one 14 points to the inside the pump cylinder 15, the conducting direction of the one-way valve two-way valve 14 points to the conducting direction of the pump cylinder 15, and the air channel one-way valve two-way 42 points to the air channel 49 and the air channel of the air channel is pulled out of the air channel is greatly, and thus the problem of good product is avoided when the mold cavity is closed, and the good product is greatly has been blown, and the good when the good product is blown in the mold, and the mold is simultaneously when the mold is blown.
As shown in fig. 3, when the wedge-shaped end of the retaining rod 27 corresponds to the buckling groove 28 in the process of moving the slide bar 11 to the right relative to the carriage 4, the slide plate 26 drives the wedge-shaped end of the retaining rod 27 to be inserted into the buckling groove 28 under the action of the spring three 29, the hydraulic cylinder stops working, at this time, the movable mold 31 abuts against the fixed mold 32 under the action of the restoring force of the spring one 10 to realize mold closing, and the movable mold 31 and the fixed mold 32 can be ensured to be in a stable mold closing state when a high-pressure state appears in the mold cavity under the action of the retaining rod 27, so that the condition that the mold expands is avoided, and the stability and reliability of injection molding operation are ensured.
As described above, in the initial state, the plug 38 does not close the vent channel 36 due to the force of the spring four 39, so that the vent channel 36 can draw out the air in the mold cavity through the slide way 37, the trapezoidal convex plate 3 approaches the pressing plate 40 in the process that the slide bar 11 moves rightwards relative to the carriage 4, and when the oblique side of the trapezoidal convex plate 3 is in abutting contact with the pressing plate 40, the pressing plate 40 compresses the spring four 39, so that the spring four 39 obtains a restoring force, and meanwhile, the pressing plate 40 drives the plug 38 to approach the mold cavity, and when the wedge-shaped end of the retaining rod 27 is inserted into the buckling groove 28, the plug 38 closes the vent channel 36, so that the injection is prevented from entering the vent channel 36 to cause the blockage.
As shown in fig. 1, after the mold closing is completed, the injection molding machine injects injection liquid into the mold cavity through the injection nozzle 8, thereby realizing the injection molding of plastic parts for automobiles, after the injection is completed, a water pump is started to convey cold water to a water channel through a water inlet pipe 21 to cool the injection liquid in the mold cavity, the injection liquid is molded, and the cold water is discharged from a water outlet pipe 20 to a water pool for recycling, during the cooling process, the cold water in the water inlet pipe 21 enters a slide cylinder 25 through a branch pipe 22, thereby driving a slide plate 26 to drive a retaining rod 27 to be away from a buckling groove 28 by utilizing water pressure, unlocking a slide rod 11, so as to separate a movable mold 31 from a fixed mold 32, after the cooling is completed, a hydraulic cylinder drives a vertical plate 9 to reset, so that the vertical plate 9 drives the slide rod 11 to move leftwards in fig. 1 and 2, the restoring force of a spring one 10 is reduced and vanished, when the spring one 10 exerts a pulling force on a slide carriage 4, the sliding frame 4 drives the movable mould 31 to be far away from the fixed mould, the sliding rod 11 drives the trapezoid protruding plate 3 to be far away from the pressing plate 40, at the moment, the plug 38 is reset under the action of the restoring force of the spring IV 39, the blocking of the exhaust channel 36 is relieved, the mould cavity is vacuumized during the next injection moulding, when the bevel edge of the trapezoid protruding plate 3 is in abutting contact with the end part of the valve rod 44, the valve rod 44 compresses the spring V48, the spring V48 obtains a restoring force, meanwhile, the valve rod 44 drives the through hole III 46 to be communicated with the through hole I43 and the through hole II 45, at the moment, the sliding plate 26 drives the stop rod 27 to reset under the restoring force of the spring III 29, so that the sliding rod 11 is locked and stopped next time, and the sliding plate 26 discharges water in the sliding cylinder 25 to a pool through the water pipe I30, the through hole I43, the through hole III 46, the through hole II 45 and the water pipe II 47, so as to be recycled.
As described above, after the slide bar 11 is reset and the deflector 19 is far away from, the deflector 19 drives the piston plate 16 to compress the air in the pump cylinder 15 through the push-pull rod 17 under the restoring force of the spring II 18, so that the air enters the stepped hole 49 through the air pipe II 41, the top plate 53 moves towards the outside of the stepped hole 49 under the action of air pressure, the injection molding piece in the mold cavity is ejected, and the purposes of demolding the injection molding piece while the vacuumizing mechanism is self-reset after the movable mold 31 and the fixed mold 32 are driven by the mold clamping mechanism are achieved, so that time and labor are saved.
According to the steps, efficient injection molding processing of plastic parts is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Claims (10)
1. Injection mold for processing automobile parts, including setting up movable mould (31) and cover half (32) on base (1), its characterized in that: further comprises:
the mold clamping mechanism is used for driving the movable mold (31) to be combined with or separated from the fixed mold (32);
the vacuumizing mechanism is arranged on the fixed die (32), the die clamping mechanism drives the vacuumizing mechanism to suck air in the die cavity in the process of driving the movable die (31) to be matched with the fixed die (32), and after the die clamping mechanism drives the movable die (31) to be separated from the fixed die (32), the vacuumizing mechanism self-resets and compresses the air sucked in the vacuumizing mechanism to eject a product in the die cavity;
the movable mold (31) is provided with a retaining component, the fixed mold (32) is provided with a cooling component, the locking component is locked to the mold closing mechanism when the movable mold (31) is driven to be aligned with the fixed mold (32), after injection molding is completed, products in the mold cavity are cooled by the cold water component to be molded, and the retaining component is unlocked by utilizing water pressure force, so that the movable mold (31) is driven to be separated from the fixed mold (32) by the locking mechanism, and the retaining component is triggered to reset by the locking mechanism in the process.
2. The injection mold for machining automobile parts according to claim 1, wherein: fixed mould (32) are fixed on base (1) through support (2), movable mould (31) set up on locking mechanism, constant head tank (34) have been seted up towards one side of movable mould (31) to cover half (32), one side of movable mould (31) towards cover half (32) be fixed with constant head tank (34) looks adaptation locating lever (33), set up injection channel (35) that are linked together with the die cavity on movable mould (31), and injection channel (35)'s entrance point fixed connection filling mouth (8).
3. The injection mold for machining automobile parts according to claim 2, wherein: the mold clamping mechanism comprises a vertical plate (9), a sliding seat (5) is fixed at the bottom of the vertical plate (9), the sliding seat (5) is slidably connected onto a sliding rail (6) fixed on a base (1), an avoidance hole (7) for allowing a filling nozzle (8) to pass through is formed in the vertical plate (9), the vertical plate (9) is connected with a hydraulic cylinder in a transmission mode, a sliding rod (11) is fixed on the vertical plate (9), a sliding frame (4) is fixed on the side wall of a movable mold (31), the sliding rod (11) penetrates through and is slidably connected onto the sliding frame (4), and the sliding frame (4) is connected with the vertical plate (9) through a first spring (10).
4. An injection mold for processing automobile parts according to claim 3, wherein: the vacuum pumping mechanism comprises a pump cylinder (15) fixed on a fixed die (32), a piston plate (16) is connected in a sliding manner in the pump cylinder (15), the piston plate (16) is fixedly connected with a deflector rod (19) through a push-pull rod (17), the deflector rod (19) is connected with one end of the pump cylinder (15) through a second spring (18), and the sliding rod (11) is in buckling contact with the deflector rod (19).
5. The injection mold for machining automobile parts according to claim 4, wherein: the one-way valve I (14) and the one-way valve II (42) are fixed and communicated on the end wall of the pump barrel (15), the one-way valve I (14) is connected with an exhaust channel (36) formed in the movable die (31) through an air pipe I (13), the one-way valve II (42) is connected with a stepped hole (49) formed in the fixed die (32) through an air pipe II (41), the conduction direction of the one-way valve I (14) points to the inside of the pump barrel (15), and the conduction direction of the one-way valve II (42) points to the stepped hole (49).
6. The injection mold for machining automobile parts according to claim 5, wherein: slide (37) that movable mould (31) are gone up with the die cavity exhaust passage (36) are linked together, inside grafting and the sliding connection of slide (37) have cock stem (38), and cock stem (38) block up exhaust passage (36), cock stem (38) keep away from the one end of die cavity is fixed with clamp plate (40), and clamp plate (40) are connected with movable mould (31) lateral wall through spring IV (39), be fixed with trapezoidal flange (3) on slide bar (11), and trapezoidal flange (3) are held in the palm with clamp plate (40) and are detained the contact.
7. The injection mold for machining automobile parts according to claim 5, wherein: the stepped hole (49) is communicated with the die cavity, a top plate (53) is embedded at one end of the stepped hole (49) facing the die cavity, a supporting rod (50) is fixed on the inner wall of the stepped hole (49), a push rod (51) is connected to the supporting rod (50) in a sliding mode, one end of the push rod (51) is fixedly connected with the top plate (53), and the other end of the push rod is connected with the supporting rod (50) through a spring six (52).
8. The injection mold for machining automobile parts according to claim 6, wherein: the cold water assembly comprises a water channel (23) arranged in a fixed die (32), one end of the water channel (23) is connected with a water inlet pipe (21), the other end of the water channel is connected with a water outlet pipe (20), and a branch pipe (22) is connected to the side wall of the water inlet pipe (21).
9. The injection mold for machining automobile parts according to claim 8, wherein: the anti-return assembly comprises a sliding cylinder (25) fixed on a sliding frame (4), a sliding plate (26) is connected in the sliding cylinder (25) in a sliding mode, one side of the sliding plate (26) is connected with one end in the sliding cylinder (25) through a third spring (29), the other side of the sliding plate is vertically and fixedly connected with an anti-return rod (27), one end, far away from the sliding plate (26), of the anti-return rod (27) is in a wedge shape, the wedge surface of the end faces the sliding frame (4), a buckling groove (28) is formed in the sliding rod (11), the wedge end of the anti-return rod (27) is inserted into the buckling groove (28), a branch pipe (22) is communicated with the sliding cylinder (25), a third check valve (24) is connected onto the branch pipe (22), and the conducting direction of the third check valve (24) points to the inside the sliding cylinder (25).
10. The injection mold for machining automobile parts according to claim 9, wherein: the novel valve is characterized in that a valve cylinder (12) is fixed on the movable mould (31), a first through hole (43) and a second through hole (45) are formed in the side wall of the valve cylinder (12), the first through hole (43) is communicated with the sliding cylinder (25) through a first water pipe (30), the second through hole (45) is connected with a second water pipe (47), a valve rod (44) is inserted in the valve cylinder (12) in a sliding manner, the valve rod (44) is connected with the bottom of the valve cylinder (12) through a fifth spring (48), the valve rod (44) is used for blocking the first through hole (43) and the second through hole (45) at the same time, a third through hole (46) is formed in the valve rod (44) and is communicated with the first through hole (43) and the second through hole (45) at the same time, and the trapezoid convex plate (3) is in buckling contact with the valve rod (44).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311684560.9A CN117382111B (en) | 2023-12-11 | 2023-12-11 | Injection mold for processing automobile parts |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311684560.9A CN117382111B (en) | 2023-12-11 | 2023-12-11 | Injection mold for processing automobile parts |
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| CN117382111B CN117382111B (en) | 2024-02-20 |
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|---|---|
| CN117382111B (en) | 2024-02-20 |
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