CN113211731A - Double-rod inclined top core-pulling mechanism - Google Patents
Double-rod inclined top core-pulling mechanism Download PDFInfo
- Publication number
- CN113211731A CN113211731A CN202110405004.8A CN202110405004A CN113211731A CN 113211731 A CN113211731 A CN 113211731A CN 202110405004 A CN202110405004 A CN 202110405004A CN 113211731 A CN113211731 A CN 113211731A
- Authority
- CN
- China
- Prior art keywords
- core
- sliding
- rod
- ejector
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 150000001875 compounds Chemical class 0.000 claims abstract description 37
- 238000001746 injection moulding Methods 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000002349 favourable effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a double-rod inclined ejection core pulling mechanism which comprises an upper compound plate and a lower compound plate, wherein the upper compound plate and the lower compound plate are used for supporting the whole mechanism, a mold core is arranged in the lower compound plate, a mold core insert is arranged in the mold core, and an ejector plate is arranged between the lower compound plate and the mold core. The invention provides a double-rod inclined top core pulling mechanism which can simplify the structure of a die, reduce the manufacturing cost of the die and improve the production efficiency while realizing the demoulding of a back-off product.
Description
Technical Field
The invention relates to a core-pulling mechanism of an injection mold, in particular to a double-rod inclined ejection core-pulling mechanism.
Background
Some plastic parts, due to the assembly requirements, typically have large mounting holes or socket angles and therefore cannot be directly designed into a conventional lifter or slider. Generally, the core is pulled by an oil cylinder or the core is opened in a small mold, the core pulling slide block is driven by the oil cylinder to separate from the inverted buckle along with the inverted pulling angle of the product, so that the product is separated, and the small mold opening requires the outer draw hook and the inner spring to separate the core and the core backing plate for a certain distance, so that the product is separated from the inverted buckle, and the product is ejected and taken out. The structure has the following disadvantages: firstly, the oil cylinder is used for core pulling, so that the cost of the die is increased; secondly, the mechanism of a small mold opening mold is complex, and a spring is easy to block, so that the mold is damaged.
For example, the "oblique spring guide post and oblique hole core pulling mechanism outside fixed mold of injection mold" disclosed in the chinese patent document, whose publication No. CN210415375U, includes an upper and a lower compound plates, a fixed mold plate under the upper compound plate, a mold foot, an upper ejector plate, a lower ejector plate and an ejector pin on the lower compound plate, a movable mold plate on the mold foot, a plastic member between the movable mold plate and the fixed mold plate, an oblique hole on the side wall of the plastic member, an oblique guide post in the fixed mold plate, an oblique guide surface on the movable mold plate, a side core pulling slide block on the oblique guide surface, an oblique guide hole in the side core pulling slide block, an oblique core pulling block and a spring groove on one side of the side core pulling slide block, an oblique spring in the spring groove, a front and a rear positioning groove in the lower end of the side core pulling slide block, a front and a rear mounting holes in the movable mold plate, a front block, a front spring and a front positioning pin in the front mounting hole, a front positioning pin in the front positioning groove of the, The head of the rear positioning pin is matched with the rear positioning groove of the side core-pulling slide block. Thereby use the spring to make core and core backing plate have the distance to make product back-off accomplish the product ejecting among this technical scheme, but the spring card easily dies and causes the mould to damage.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a die using an oil cylinder for pulling a core is high in cost, a small-opening die is complex in structure, a spring is easy to clamp, and the like, and provides a double-rod inclined top core pulling mechanism, so that the die structure is simplified, the die manufacturing cost is reduced, and the production efficiency is improved while the die of an inverted product is demolded.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a mechanism of loosing core is pushed up to two poles oblique, includes compound board and lower compound board, go up compound board and compound board down and be used for supporting whole mechanism, be provided with the core in compound board down, be provided with the core in the core and insert, be provided with the thimble board between compound board and core down, characterized by still includes the ejecting subassembly of two poles, the ejecting subassembly of two poles sets up on the thimble board, the ejecting subassembly of two poles is including the vertical ejector pin that is used for ejecting injection molding, the oblique ejector pin that is used for back-off product drawing of patterns and the ejecting subassembly of slope that is used for controlling oblique ejector pin slope jack-up.
In this technical scheme, the thimble board drives two pole subassemblies jack-up and then realizes the back-off product drawing of patterns, when using, the thimble board jack-up that makes progress, it upwards with the product jack-up drawing of patterns to drive vertical ejector pin, and the setting of slope top department subassembly makes the oblique ejector pin decide down in the drive of thimble board, and the ejection speed at the oblique ejector pin is different with the ejection speed of vertical ejector pin, thereby more be favorable to the product drawing of patterns, and compare in traditional drawing of patterns mode, do not use the hydro-cylinder among the device, the cost is lower, also not use the spring, the dead problem of spring card can not appear, and simple structure.
Preferably, the inclined ejection assembly comprises a sliding seat and a sliding seat core, the sliding seat is fixed on the ejector plate, the sliding seat core is arranged in the sliding seat in a sliding mode, the inclined ejector rod is fixed at the upper end of the sliding seat core, and an included angle exists between the sliding direction of the sliding seat core and the moving direction of the ejector plate.
The inclined ejection assembly is used for controlling the inclined ejector rod to be ejected out and enabling the inclined ejector rod to have different ejection speeds compared with the vertical ejector rod, the sliding seat core is opposite to the sliding seat to slide when the sliding seat is ejected out, and the inclined ejector rod is fixed at the upper end of the sliding seat core due to the included angle between the sliding direction of the sliding seat core and the moving direction of the ejector plate, so that the speed of the ejector plate is decomposed, the ejection speed of the inclined ejector rod is different from that of the vertical ejector rod, and demolding is facilitated.
Preferably, the sliding seats are arranged in pairs, the sliding seat cores are arranged between the two sliding seats in pairs in a sliding mode, inclined sliding grooves are formed in the inner side walls of the two sliding seats, sliding blocks are correspondingly arranged on the two sides of the sliding seat cores, and the sliding blocks are arranged in the inclined sliding grooves in a sliding mode.
The slide block and the inclined sliding groove are arranged to realize inclined sliding of the slide base core, namely, in the ejection process, the slide base core moves backwards downwards along the inclined sliding groove, so that the ejection speed of the inclined ejector rod is changed, and the product demolding is facilitated.
Preferably, a limiting plate for limiting a sliding seat core is arranged between the two sliding seats, two ends of the limiting plate are respectively fixed at the upper ends of the two sliding seats in pair, a limiting notch is correspondingly arranged on the sliding seat core, a supporting rod is further arranged on the lower compound plate, the limiting notch is abutted against the limiting plate and the supporting rod is abutted against the lower compound plate in a die assembly state
The setting of limiting plate has further fixed two slides in pairs, still with the slide core spacing between two slides, avoids the slide core roll-off to cause inconvenience from the slide under the compound die state, and the setting of bracing piece is used for bracing the slide core under the compound die state, avoids the slide core to slide under the action of gravity and leads to the upper end of lifter can't cause inconvenience with the injection molding butt.
Preferably, the inclined ejection assembly further comprises a guide rod, the guide rod is sequentially obliquely arranged on the ejector plate, the sliding seat and the sliding seat core in a penetrating mode, one end of the guide rod is connected to the lower compound plate, the other end of the guide rod is connected to the lower surface of the mold core, and the inclined angle of the guide rod is the same as that of the inclined ejector rod
The setting of guide bar is used for cooperating the slip direction of guide slide core with the slope spout, and the cooperation oblique ejector pin inclines ejecting, and the back-off product drawing of patterns of being convenient for.
Preferably, the ejector plate is provided with a through hole for preventing the guide rod from blocking the ejector plate to move, the slide seat core is internally provided with a guide hole, and the guide hole is matched with the guide rod to be arranged
Because the ejector plate is worn to establish by the guide bar, and the guide bar slope sets up, and the ejector plate only reciprocates again, and the hole of wearing to establish sets up to waist round hole, avoids the guide bar to hinder reciprocating of ejector plate, and the guiding hole then is clearance fit with the guide bar, and the slide core slides under the guide bar effect through the guiding hole.
Preferably, an inclined ejecting block used for being abutted to the injection molding piece is arranged at the upper end of the inclined ejector rod, and the inclined ejecting block is rotatably connected with the upper end of the inclined ejector rod.
Such setting up makes to possess the space of rotation adjustment between oblique ejector pin and the injection molding, guarantees that the up end of oblique kicking block and injection molding bottom hug closely for the product drawing of patterns is more stable.
Preferably, the core insert and the core are internally provided with an inner hole for penetrating the inclined mandril, a guide sliding sleeve is arranged in the inner hole, and the guide sliding sleeve is sleeved outside the inclined mandril.
The arrangement of the guide sliding sleeve is beneficial to reducing the friction force between the inclined ejector rod and the insert of the mold core, so that the inclined ejector rod can be ejected more smoothly, the abrasion can be reduced, and the service life of the mold is prolonged.
Preferably, still be provided with supplementary oblique top subassembly on last thimble board, supplementary oblique top subassembly is including fixing the fixed block on last thimble board and the supplementary oblique ejector pin of slip setting on the fixed block, the lower extreme of supplementary oblique ejector pin slides and sets up on the fixed block, and the upper end of supplementary oblique ejector pin is through oblique kicking block and injection molding butt.
The auxiliary pitched roof component is beneficial to assisting in pitched roof core-pulling demoulding, wherein the auxiliary pitched roof rod is used for obliquely removing the product, so that the demoulding quality is improved, and the demoulding of the product is more stable.
Preferably, the lower extreme at supplementary oblique ejector pin is provided with the sliding block, is provided with the mounting groove in the fixed block, and the sliding block slides and sets up in the mounting groove, is provided with the gliding sliding tray that is used for realizing the sliding block on two inner walls of mounting groove, and the sliding tray slope sets up, and the extending direction of sliding tray and the extending direction of mounting groove form the contained angle.
The arrangement is favorable for ensuring that the ejection speed of the auxiliary oblique ejector rod is different from that of the vertical ejector rod, and is more favorable for demoulding of products.
Therefore, the invention has the following beneficial effects: the demolding of the inverted product is realized, the mold structure is simplified, the mold manufacturing cost is reduced, and the production efficiency is improved; the inclined ejector block is tightly attached to the bottom of the injection molding piece, so that the product is more stable in demolding; the sliding guide sleeve is favorable for enabling the inclined ejector rod to be ejected more smoothly, abrasion can be reduced, and the service life of the die is prolonged.
Drawings
FIG. 1 is a schematic view of a clamped state of a dual-bar pitched roof core-pulling mechanism;
FIG. 2 is a schematic structural view of the double-rod pitched roof core-pulling mechanism in an open state;
FIG. 3 is a schematic diagram of the post-ejection structure of the dual-bar pitched roof core-pulling mechanism;
FIG. 4 is a first partial cross-sectional view of the dual beam pitched roof core pulling mechanism;
FIG. 5 is a second partial cross-sectional view of the dual beam pitched roof core pulling mechanism;
FIG. 6 is a schematic diagram of the structure of the carriage and carriage core;
FIG. 7 is a schematic view of a partial structure of a dual-bar pitched roof core pulling mechanism on a lower doubler plate;
in the figure: 1. the device comprises an upper compound plate 2, a hot runner plate 3, a cavity 4, a cavity insert 5, a lower compound plate 6, a core 7, a core insert 8, a mold foot 9, a lower ejector plate 901, a through hole 10, an upper ejector plate 11, a vertical ejector rod 12, a fixed block 1201, a mounting groove 1202, a sliding groove 13, an inclined ejector rod 14, an inclined ejector block 15, a guide sliding sleeve 16, a sliding seat 1601, a limiting plate 1602, an inclined sliding groove 17, a sliding seat core 1701, a limiting notch 1702, a sliding block 18, a supporting rod 19, a guide rod 20, an injection molding part 21, an auxiliary inclined ejector rod 22, a sliding block 23 and a limiting strip.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
Example 1:
as shown in fig. 1, 2, 3 and 7, in embodiment 1, a dual-rod pitched roof core pulling mechanism comprises an upper complex plate 1 and a lower complex plate 5, wherein a hot runner plate 2 is connected below the upper complex plate 1, a cavity 3 is connected below the hot runner plate 2, and a cavity insert 4 is arranged in the cavity 3; the mold comprises a lower compound plate 5, mold legs 8 are arranged on the lower compound plate 5, a mold core 6 is connected to the mold legs 8, a mold core insert 7 is arranged in the mold core 6, an ejector plate and a double-rod ejection assembly are arranged between the mold core 6 and the lower compound plate 5, the double-rod ejection assembly is arranged on the ejector plate, and the double-rod ejection assembly comprises a vertical ejector rod 11 for ejecting an injection molding part 20, an oblique ejector rod 13 for demoulding of a back-off product and an oblique ejection assembly for controlling the oblique ejector rod 13 to obliquely eject. The injection molding 20 sets up between core 6 and die cavity 3, the lower extreme and the thimble board fixed connection of vertical ejector pin 11, and the upper end of vertical ejector pin 11 passes behind the core 6 with the butt of injection molding 20, from this, can drive vertical ejector pin 11 when the thimble board upwards jacks up. The oblique ejector rod 13 is obliquely installed, the lower end of the oblique ejector rod 13 is connected with the ejector plate through an oblique ejector component, and the upper end of the oblique ejector rod 13 is abutted to the injection molding part 20. The inclined ejection assembly is arranged to enable the inclined ejector rod 13 to be installed in an inclined mode, and enable the inclined ejector rod 13 to have different ejection speeds relative to the vertical ejector rod 11 when the ejector plate is ejected upwards. In this technical scheme, the thimble board drives two pole subassembly jack-ups and then realizes the back-off product drawing of patterns, when using, the thimble board jack-ups that makes progress, drive vertical ejector pin 11 and upwards with the product jack-up drawing of patterns, and the setting of slope top department subassembly makes oblique ejector pin 13 decide down the slope in the drive of thimble board, and the ejection speed at oblique ejector pin 13 is different with vertical ejector pin 11's ejection speed, thereby more be favorable to the product drawing of patterns, and compare in traditional drawing of patterns mode, do not use the hydro-cylinder in the device, the cost is lower, also not use the spring, the dead problem of spring card can not appear, and simple structure. In addition, the ejector plate comprises an upper ejector plate 10 and a lower ejector plate 9, the lower end of the vertical ejector rod 11 is fixed on the upper ejector plate 10, and the upper end of the vertical ejector rod 11 is abutted to the injection molding part.
Further, as shown in fig. 4 and 6, the inclined ejection assembly includes a slide base 16 and a slide base core 17, wherein the slide base 16 is arranged in pairs, the slide base core 17 is arranged between the two slide base 16 in pairs in a sliding manner, the two slide base 16 are both fixed on the lower ejector plate 9, the inclined ejector rod 13 is fixed at the upper end of the slide base core 17, inclined chutes 1602 are arranged on the inner side walls of the two slide base 16, sliders 1702 are correspondingly arranged on both sides of the slide base core 17, the sliders 1702 are arranged in the inclined chutes 1602 in a sliding manner, and an included angle exists between the sliding direction of the slide base core 17 and the moving direction of the ejector plate. The inclined ejection assembly is used for controlling the ejection of the inclined ejector rod 13 and enabling the inclined ejector rod 13 to have different ejection speeds compared with the vertical ejector rod 11, the sliding seat core 17 reversely slides relative to the sliding seat 16 while the sliding seat 16 is ejected, the sliding block 1702 and the inclined sliding groove 1602 are arranged to realize the inclined sliding of the sliding seat core 17, namely, in the ejection process, the sliding seat core 17 moves backwards downwards along the inclined sliding groove 1602, an included angle exists between the sliding direction of the sliding seat core 17 and the moving direction of the ejector plate, the inclined ejector rod 13 is fixed at the upper end of the sliding seat core 17, the speed of the ejector plate is decomposed, and the ejection speed of the inclined ejector rod 13 is different from the ejection speed of the vertical ejector rod 11. In addition, be provided with limiting plate 1601 that is used for spacing slide core 17 between two slides 16, limiting plate 1601 fixes respectively at two mated slide 16's upper end at limiting plate 1601 both ends, it is provided with spacing breach 1701 to correspond on slide core 17, still be provided with bracing piece 18 on lower replica 5, under the compound die state, spacing breach 1701 and limiting plate 1601 butt, bracing piece 18 and lower replica 5 butt, limiting plate 1601 sets up and has further fixed two mated slide 16, still spacing slide core 17 between two slides 16, avoid slide core 17 from the slide 16 in the compound die state to cause inconvenience, and bracing piece 18 sets up and is used for under bracing state slide core 17, avoid slide core 17 to slide under the action of gravity and lead to the unable and injection molding 20 butt in the upper end of lifter 13 to cause inconvenience. In addition, the extending direction of the inclined sliding groove 1602 and the sliding direction of the ejector plate form an included angle, and the included angle is not more than 30 degrees.
Further, the inclined ejection assembly further comprises a guide rod 19, the guide rod 19 sequentially inclines to penetrate through the lower ejector plate 9, the upper ejector plate 10, the sliding seat 16 and the sliding seat core 17, one end of the guide rod 19 is connected to the lower compound plate 5, the other end of the guide rod is connected to the lower surface of the mold core 6, the inclination angle of the guide rod 19 is the same as that of the inclined ejector rod 13, a penetrating hole 901 used for preventing the guide rod 19 from blocking the ejector plate to move is formed in the ejector plate, a guide hole penetrating vertically is formed in the sliding seat core 17, the guide hole and the guide rod 19 are matched and arranged on the sliding seat 16, the guide rod 19 penetrates through the guide hole, the guide hole is inclined and arranged, the inclination direction of the guide hole is consistent with that of the inclined ejector rod 13, and clearance fit is formed between the guide hole and the guide rod 19, so that relative movement occurs between the guide rod 19 and the guide hole. Because the ejector plate is worn to establish by the guide bar 19, and the slope of guide bar 19 sets up, and the ejector plate only reciprocates again, and the hole 901 of wearing to establish sets up to the waist round hole, avoids guide bar 19 to hinder reciprocating of ejector plate, and the guide hole then is clearance fit with guide bar 19, and slide core 17 slides under the effect of guide bar 19 through the guide hole.
Further, an inclined ejecting block 14 is arranged between the upper end of the inclined ejector rod 13 and the injection molding part 20, the inclined ejecting block 14 is abutted to the injection molding part 20, the inclined ejecting block 14 is rotatably connected with the upper end of the inclined ejector rod 13, a space for rotary adjustment is formed between the inclined ejector rod 13 and the injection molding part 20 due to the arrangement, the upper end face of the inclined ejecting block 14 is ensured to be tightly attached to the bottom of the injection molding part 20, and the product demoulding is more stable.
In addition, inner holes for penetrating the inclined mandril 13 are arranged in the core insert 7 and the core 6, a guide sliding sleeve 15 is arranged in the inner holes, and the guide sliding sleeve 15 is sleeved outside the inclined mandril 13. The arrangement of the guide sliding sleeve 15 is beneficial to reducing the friction force between the inclined ejector rod 13 and the core 6 and the core insert 7, so that the inclined ejector rod can be ejected more smoothly, meanwhile, the abrasion can be reduced, and the service life of the die is prolonged.
In addition, as shown in fig. 5, an auxiliary lifter assembly is arranged on the upper ejector plate, the auxiliary lifter assembly comprises a fixed block 12 fixed on the upper ejector plate and an auxiliary lifter 21 slidably arranged on the fixed block 12, the auxiliary lifter 21 is slidably arranged on the fixed block 12, the upper end of the auxiliary lifter 21 is abutted with the injection molding part through the lifter, the lower end is provided with a sliding block 22, a mounting groove 1201 is arranged in the fixed block 12, the sliding block 22 is arranged in the mounting groove 1201 in a sliding manner, the mounting groove 1201 is a through groove, sliding grooves 1202 for realizing sliding of the sliding block 22 are arranged on two inner walls of the mounting groove 1201, the sliding grooves 1202 are arranged obliquely, the extending direction of the sliding grooves 1202 forms an included angle with the extending direction of the mounting groove 1201, in order to prevent the sliding block 22 from sliding out of the fixed block 12, limiting strips 23 are arranged at two ends of the mounting groove 1201, and are correspondingly arranged at two ends of the sliding groove 1202. In addition, an inclined ejector block 14 is also rotatably connected to the upper end of the auxiliary inclined ejector rod, and a guide sleeve 15 is also provided at the connection between the auxiliary inclined ejector rod and the core.
It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The above examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a mechanism of loosing core is pushed up to two poles oblique, includes compound board (1) and lower compound board (5), go up compound board (1) and lower compound board (5) and be used for supporting whole mechanism, be provided with core (6) in compound board (5) down, be provided with core insert (7) in core (6), be provided with the thimble board down between compound board (5) and core (6), characterized by still includes two pole ejection assembly, and two pole ejection assembly set up on the thimble board, two pole ejection assembly is including vertical ejector pin (11) that are used for ejecting injection molding (20), oblique ejector pin (13) that are used for back-off product drawing of patterns and the slope ejection assembly that is used for controlling oblique ejector pin (13) slope jack-up.
2. The double-rod inclined top core pulling mechanism is characterized in that the inclined top component comprises a sliding seat (16) and a sliding seat core (17), the sliding seat (16) is fixed on the thimble plate, the sliding seat core (17) is arranged in the sliding seat (16) in a sliding mode, the inclined top rod (13) is fixed at the upper end of the sliding seat core (17), and an included angle exists between the sliding direction of the sliding seat core (17) and the moving direction of the thimble plate.
3. The double-rod pitched roof core pulling mechanism according to claim 2, wherein said sliding bases (16) are arranged in pairs, the sliding base core (17) is arranged between the two sliding bases (16) in pairs in a sliding way, the two sliding bases (16) are provided with inclined sliding grooves (1602) on the inner side wall, the sliding base core (17) is correspondingly provided with sliding blocks (1702) on the two sides, and the sliding blocks (1702) are arranged in the inclined sliding grooves (1602) in a sliding way.
4. The double-rod pitched roof core pulling mechanism according to claim 3, characterized in that a limiting plate (1601) for limiting the slide base core (17) is arranged between the two slide bases (16), two ends of the limiting plate (1601) are respectively fixed on the upper ends of the two slide bases (16), a limiting notch (1701) is correspondingly arranged on the slide base core (17), a supporting rod (18) is further arranged on the lower compound plate (5), the limiting notch (1701) abuts against the limiting plate (1601) in a mold closing state, and the supporting rod (18) abuts against the lower compound plate (5).
5. The double-rod inclined ejector core pulling mechanism is characterized in that the inclined ejector assembly further comprises a guide rod (19), the guide rod (19) is obliquely arranged on the ejector plate, the sliding seat (16) and the sliding seat core (17) in sequence, one end of the guide rod (19) is connected to the lower compound plate (5), the other end of the guide rod (19) is connected to the lower surface of the core (6), and the inclination angle of the guide rod (19) is the same as that of the inclined ejector rod (13).
6. A double-rod inclined top core-pulling mechanism as claimed in claim 5, wherein a through hole (901) for preventing the guide rod (19) from obstructing the movement of the ejector plate is provided on the ejector plate, and a guide hole is provided in the slide core (17), the guide hole being provided in cooperation with the guide rod (19).
7. The double-rod pitched roof core pulling mechanism according to any one of claims 1 to 6, wherein a pitched roof block (14) used for abutting against the injection molding part (20) is arranged at the upper end of the pitched roof rod (13), and the pitched roof block (14) is rotatably connected with the upper end of the pitched roof rod (13).
8. The dual-rod pitched roof core pulling mechanism according to any one of the claims 1 to 6, wherein, the core insert (7) and the core (6) are internally provided with inner holes for penetrating the pitched roof rod (13), a guide sliding sleeve (15) is arranged in the inner hole, and the guide sliding sleeve (15) is sleeved outside the pitched roof rod (13).
9. The double-rod inclined ejector core pulling mechanism is characterized in that an auxiliary inclined ejector assembly is further arranged on the upper ejector plate and comprises a fixed block (12) fixed on the upper ejector plate and an auxiliary inclined ejector rod (21) arranged on the fixed block (12) in a sliding mode, the lower end of the auxiliary inclined ejector rod (21) is arranged on the fixed block (12) in a sliding mode, and the upper end of the auxiliary inclined ejector rod (21) is abutted to an injection molding piece through the inclined ejector block.
10. The double-rod inclined top core pulling mechanism is characterized in that a sliding block (22) is arranged at the lower end of an auxiliary inclined top rod (21), a mounting groove (1201) is formed in a fixing block (12), the sliding block (22) is arranged in the mounting groove (1201) in a sliding mode, sliding grooves (1202) used for achieving sliding of the sliding block (22) are formed in the two inner walls of the mounting groove (1201), the sliding grooves (1202) are arranged in an inclined mode, and the extending direction of the sliding grooves (1202) forms an included angle with the extending direction of the mounting groove (1201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110405004.8A CN113211731A (en) | 2021-04-15 | 2021-04-15 | Double-rod inclined top core-pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110405004.8A CN113211731A (en) | 2021-04-15 | 2021-04-15 | Double-rod inclined top core-pulling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113211731A true CN113211731A (en) | 2021-08-06 |
Family
ID=77087335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110405004.8A Pending CN113211731A (en) | 2021-04-15 | 2021-04-15 | Double-rod inclined top core-pulling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113211731A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752493A (en) * | 2021-09-14 | 2021-12-07 | 浙江凯华模具有限公司 | Cross inclined-ejection reverse-buckling-removing mechanism of injection mold |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337423A (en) * | 2008-08-08 | 2009-01-07 | 宁波跃飞模具有限公司 | Large-angle inclined ejecting-block core-pulling mechanism on the medial surface of the injection mold |
| CN102431133A (en) * | 2011-10-31 | 2012-05-02 | 青岛海尔模具有限公司 | Slanted ejecting mechanism component realizing oversized angle downgrade of injection mold and assembling method thereof |
| CN102672911A (en) * | 2012-05-07 | 2012-09-19 | 宁波方正汽车模具有限公司 | Three-rod double-slide large-angle inclined jacking core-pulling ejector pin device |
| CN102700087A (en) * | 2012-05-07 | 2012-10-03 | 宁波方正汽车模具有限公司 | Pitched ejection device immediately stopping after being drawn |
| CN205044086U (en) * | 2015-09-30 | 2016-02-24 | 浙江凯华模具有限公司 | Mechanism of loosing core to one side in header board injection mould combination formula |
| CN108372638A (en) * | 2018-04-16 | 2018-08-07 | 富诚汽车零部件有限公司 | A kind of split type guiding tilted footstock mold of connecting rod slider |
| CN110091477A (en) * | 2019-06-11 | 2019-08-06 | 广东科龙模具有限公司 | A kind of mold releasability structure |
| CN110450357A (en) * | 2019-07-31 | 2019-11-15 | 浙江凯华模具有限公司 | Injection mould slanted spring assembly long range side core-pulling mechanism |
| CN210705853U (en) * | 2019-09-03 | 2020-06-09 | 滨海模塑集团有限公司 | Protection mechanism for guide rod of injection mold combined with lengthened inclined ejector rod |
-
2021
- 2021-04-15 CN CN202110405004.8A patent/CN113211731A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337423A (en) * | 2008-08-08 | 2009-01-07 | 宁波跃飞模具有限公司 | Large-angle inclined ejecting-block core-pulling mechanism on the medial surface of the injection mold |
| CN102431133A (en) * | 2011-10-31 | 2012-05-02 | 青岛海尔模具有限公司 | Slanted ejecting mechanism component realizing oversized angle downgrade of injection mold and assembling method thereof |
| CN102672911A (en) * | 2012-05-07 | 2012-09-19 | 宁波方正汽车模具有限公司 | Three-rod double-slide large-angle inclined jacking core-pulling ejector pin device |
| CN102700087A (en) * | 2012-05-07 | 2012-10-03 | 宁波方正汽车模具有限公司 | Pitched ejection device immediately stopping after being drawn |
| CN205044086U (en) * | 2015-09-30 | 2016-02-24 | 浙江凯华模具有限公司 | Mechanism of loosing core to one side in header board injection mould combination formula |
| CN108372638A (en) * | 2018-04-16 | 2018-08-07 | 富诚汽车零部件有限公司 | A kind of split type guiding tilted footstock mold of connecting rod slider |
| CN110091477A (en) * | 2019-06-11 | 2019-08-06 | 广东科龙模具有限公司 | A kind of mold releasability structure |
| CN110450357A (en) * | 2019-07-31 | 2019-11-15 | 浙江凯华模具有限公司 | Injection mould slanted spring assembly long range side core-pulling mechanism |
| CN210705853U (en) * | 2019-09-03 | 2020-06-09 | 滨海模塑集团有限公司 | Protection mechanism for guide rod of injection mold combined with lengthened inclined ejector rod |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752493A (en) * | 2021-09-14 | 2021-12-07 | 浙江凯华模具有限公司 | Cross inclined-ejection reverse-buckling-removing mechanism of injection mold |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113134944A (en) | Button injection mold | |
| CN210415374U (en) | Injection mold oblique top spring combination long distance side mechanism of loosing core | |
| CN113211731A (en) | Double-rod inclined top core-pulling mechanism | |
| CN210759035U (en) | Locking mechanism for core-pulling inclined sliding block in injection mold | |
| CN210705853U (en) | Protection mechanism for guide rod of injection mold combined with lengthened inclined ejector rod | |
| CN214820453U (en) | Button injection mold | |
| CN211416097U (en) | Product ejection and demolding device | |
| CN113752493A (en) | Cross inclined-ejection reverse-buckling-removing mechanism of injection mold | |
| CN210999727U (en) | Double-color injection mold | |
| CN210679526U (en) | Outer core-pulling mechanism for fixed die side inclined guide pillar of injection mold | |
| CN210233854U (en) | Retractable long slide block core positioning and supporting mechanism on medical injection mold | |
| CN208118339U (en) | Imitative rattan plastic chair unilateral side curved handrail footing core-pulling mechanism | |
| CN112356402A (en) | Deep barb demolding mechanism for side edge of injection mold | |
| CN111113781A (en) | Automatic feeding device for injecting glue into zipper head | |
| CN114750374B (en) | Mould structure of multi-angle loose core | |
| CN218315061U (en) | Mold for large-angle inclined ejection plastic part | |
| CN217803137U (en) | Ejection structure of submersible gate on sliding block | |
| CN211763007U (en) | Automatic feeding device for injecting glue into zipper head | |
| CN220808346U (en) | Front mould, mould assembly and production equipment for producing battery cover | |
| CN217434922U (en) | Injection mold capable of being ejected out of submarine gate in sliding block | |
| CN218477067U (en) | Sliding block core-pulling mechanism and mold | |
| CN218399270U (en) | Novel rear mold core pulling structure | |
| CN218171144U (en) | Double-color mold with controllable opening and closing slide | |
| CN212684603U (en) | Side core-pulling mechanism of injection mold | |
| CN219768989U (en) | Front mould wedging structure for realizing core pulling in inclined ejection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210806 |
|
| RJ01 | Rejection of invention patent application after publication |