CN218053780U - Beryllium-copper film core-pulling injection mold capable of preventing burning - Google Patents

Abstract

The utility model relates to an injection mold technical field just discloses a beryllium copper film injection mold of loosing core that prevents to wipe fever, including upper die base and die holder, the bottom fixedly connected with cover half bedplate of upper die base, the top fixedly connected with movable mould cushion of die holder, the top fixedly connected with movable mould cushion movable mould bedplate of movable mould cushion, the inside of cover half bedplate is provided with cavity benevolence, the inside of movable mould bedplate is provided with core benevolence. This prevent beryllium copper film injection mold of loosing core that burns that wipes, through the cooperation each other between rectangle movable groove, activity clamp plate and the hydraulic stem to can carry out the pressfitting to the shaping product between the mercy and the core mould benevolence of master model and fix, prevent to drive the shaping product when the core mould benevolence rebound and the position shift condition appears, and then can avoid taking place to remove between shaping product and the loose core mould and influence the shaping effect of shaping product, and then can improve the qualification rate of shaping product.

Description

Beryllium copper film core-pulling injection mold capable of preventing scratching and burning

Technical Field

The utility model relates to an injection mold technical field specifically is a beryllium copper film injection mold of loosing core that prevents to wipe fever.

Background

The injection molding is also called injection molding, and is a molding method combining injection molding and molding, and the injection molding method has the advantages of high production speed and high efficiency, when core-pulling injection molding is carried out, the core-pulling injection molding method is separated from a molded product by moving an upper die holder upwards, but the core insert is easily attached to the molded product, so that the molded product is driven to shift upwards, meanwhile, the connecting part of the core-pulling mold and the molded product is worn and deformed, the molding effect of the molded product is influenced, and the molding qualification rate is reduced, so that the problem needs to be solved by providing the beryllium copper film core-pulling injection mold capable of preventing burning.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a beryllium copper film injection mold of loosing core that burns is prevented to wipe, possess when carrying out the cavity mould benevolence drawing of patterns, it is fixed to carry out the pressfitting to the shaping product, it takes place to remove to prevent that cavity mould benevolence from driving the shaping product, and then avoid taking place to remove between shaping product and the loose core mould, advantages such as the shaping effect of shaping product have been guaranteed, the die holder upwards moves and has been realized separating with the shaping product to have solved, but lead to cavity mould benevolence and shaping product laminating easily, and then can drive the shaping product and upwards squint, the wearing and tearing deformation condition appears in the junction that core mould and shaping product are connected simultaneously, and then influence the shaping effect of shaping product, the problem of fashioned qualification rate has been reduced.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a beryllium copper film injection mold of loosing core that prevents to wipe fever, includes upper die base and die holder, the bottom fixedly connected with cover half bedplate of upper die base, the top fixedly connected with movable mould cushion of die holder, movable mould cushion's top fixedly connected with movable mould bedplate, the inside of cover half bedplate is provided with cavity die benevolence, the inside of movable mould bedplate is provided with public mould benevolence, the inside sliding connection of movable mould bedplate has the core pulling mould core, the rectangle movable groove has been seted up to the bottom of cavity die benevolence, the inside swing joint in rectangle movable groove has the activity clamp plate, the inside fixed mounting of cover half bedplate has two hydraulic stems, the bottom of hydraulic stem is provided with the piston rod.

Preferably, an inclined guide groove which penetrates through the core pulling mold from top to bottom is formed in the core pulling mold, an inclined guide pillar is fixedly connected to the bottom of the fixed mold base plate, a groove hole is formed in the movable mold base plate, the inclined guide pillar is movably inserted into the inclined guide groove, and the bottom end of the inclined guide pillar is movably inserted into the groove hole, so that the core pulling mold can be limited, and the core pulling mold is prevented from moving.

Preferably, the circular slot has been seted up to one side that the mould of loosing core is close to public mould benevolence, public mould benevolence is close to the spacing post of one side fixedly connected with of the mould of loosing core, the first spring of inside fixedly connected with of circular slot, first spring cup joints with spacing post activity, the one end that the circular slot was kept away from to first spring and the side surface fixed connection of public mould benevolence to under the effect of first spring, make first spring recover the extension alright remove with driving the mould of loosing core, and can carry on spacingly to first spring through spacing post, more stable when making its extension shrink.

Preferably, the movable hole has all been seted up to the left and right sides of cover half bedplate, the core pulling mould is kept away from one side fixedly connected with guide bar of core mould benevolence, the one end fixedly connected with dog of core pulling mould is kept away from to the guide bar, the dog is close to one side fixedly connected with second spring of guide bar, the guide bar is pegged graft with the inside activity of movable hole, the one end that the dog was kept away from to the second spring and the side surface fixed connection of movable mould bedplate can drive the core pulling mould and remove under the effect of guide bar and second spring to make the core pulling mould more stable when removing, avoid the core pulling mould to appear blocking the condition near one side of core mould benevolence and shaping product.

Preferably, a frame-shaped movable groove is formed in the top of the movable mold base plate, a T-shaped sliding strip is fixedly connected to the inner bottom wall of the frame-shaped movable groove, a T-shaped sliding groove is formed in one side, close to the core insert, of the core pulling mold, the T-shaped sliding groove is communicated with the bottom of the core pulling mold, the T-shaped sliding strip is connected with the T-shaped sliding groove in a sliding mode, and therefore the core pulling mold can be limited, and the core pulling mold can only be moved left and right.

Preferably, the bottom of activity clamp plate and the bottom of cover half bedplate are located same level, the bottom of piston rod and the top fixed connection of activity clamp plate, the inside sliding connection of piston rod and cover half bedplate, and then drive the piston rod through hydraulic stem work and reciprocate to can drive the activity clamp plate and remove, realize that the activity clamp plate carries out the pressfitting fixed to the shaping product.

Compared with the prior art, the utility model provides a beryllium copper film injection mold of loosing core that prevents to wipe fever possesses following beneficial effect:

1. this prevent beryllium copper film injection mold of loosing core that burns through the cooperation each other between rectangle movable groove, activity clamp plate and the hydraulic stem to can carry out the pressfitting to the shaping product between master model benevolence and the core mould benevolence fixed, prevent that the core mould benevolence from upwards moving the shaping product and the position skew condition appears, and then can avoid taking place to remove between shaping product and the loose core mould and influence the shaping effect of shaping product, and then can improve the qualification rate of shaping product.

2. This prevent to wipe beryllium copper film injection mold of loosing core of fever, through the circular slot, spacing post, first spring, the activity hole, the guide bar, the dog, the second spring, T type draw runner, mutually support between the T type is smooth, make oblique guide pillar remove the back from the inside of oblique guide slot, first spring and second spring can recover the extension, and then can drive the core-pulling mould and remove, and make the core-pulling mould more steady when removing, avoid appearing the position skew condition, thereby can avoid laminating and the condition that can' T remove appearing between core-pulling mould and the shaping product.

Drawings

FIG. 1 is a sectional view of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

fig. 3 is an enlarged view of a structure B in fig. 1 according to the present invention.

Wherein: 1. an upper die holder; 2. a lower die holder; 3. a fixed die base plate; 4. a movable mould seat plate; 5. a cavity insert; 6. a core insert; 7. drawing the core die; 8. an inclined guide groove; 9. an inclined guide post; 10. a slot; 11. a rectangular movable slot; 12. a movable pressing plate; 13. a circular groove; 14. a limiting column; 15. a first spring; 16. a movable hole; 17. a guide bar; 18. a stopper; 19. a second spring; 20. a T-shaped slide bar; 21. a T-shaped chute; 22. a hydraulic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a beryllium copper film core-pulling injection mold capable of preventing burning by wiping comprises an upper mold base 1 and a lower mold base 2, wherein the upper mold base 1 is positioned right above the lower mold base 2, an ejection mechanism is arranged at the top of the lower mold base 2, an injection runner is arranged inside the upper mold base 1, a fixed mold base plate 3 is fixedly connected to the bottom of the upper mold base 1, the injection runner extends into the fixed mold base plate 3 and enters into a cavity insert 5, the bottom of the injection runner penetrates through the top of a movable pressing plate 12 and extends to the bottom of the movable pressing plate 12, so that the product can be injection-molded between the cavity insert 5 and a core insert 6, a movable mold cushion block is fixedly connected to the top of the lower mold base 2, a support pillar mechanism is positioned inside a movable mold, and the molded product on the core insert 6 can be ejected by the ejection mechanism, so as to realize the demolding effect, the top of the movable mold cushion block is fixedly connected with a movable mold seat plate 4, a female mold core 5 is arranged inside the fixed mold seat plate 3, a male mold core 6 is arranged inside the movable mold seat plate 4, the top of the male mold core 6 is positioned above the movable mold seat plate 4, the movable mold seat plate 4 is connected with two core pulling molds 7 in a sliding manner, the two core pulling molds 7 are symmetrical left and right about the central axis of the male mold core 6, inclined guide grooves 8 which penetrate through the core pulling molds 7 up and down are formed inside the core pulling molds 7, inclined guide pillars 9 are fixedly connected with the bottom of the fixed mold seat plate 3, the number of the inclined guide pillars 9 is two, the inclined guide pillars 9 correspond to the positions of the inclined guide grooves 8 and are mutually matched with the insides of the inclined guide grooves, the east core pulling molds 7 can be dripped to move left and right through the inclined guide pillars 9 moving inside the inclined guide grooves 8, slotted holes 10 are formed inside the movable mold seat plate 4, the number of the slotted holes 10 is two and corresponds to the positions of the inclined guide grooves 8, the inclined guide post 9 is movably inserted in the inclined guide groove 8, and the bottom end of the inclined guide post 9 is movably inserted in the groove hole 10.

The bottom of the cavity insert 5 is provided with a rectangular movable groove 11, the inside of the rectangular movable groove 11 is movably connected with a movable pressing plate 12, the movable pressing plate 12 is mutually matched with the inside of the rectangular movable groove 11 and can prevent molten materials from entering the inside of the rectangular movable groove 11, two hydraulic rods 22 are fixedly installed inside the fixed mold base plate 3, the two hydraulic rods 22 are bilaterally symmetrical about the central axis of the movable pressing plate 12, the bottom end of the hydraulic rod 22 is provided with a piston rod, the bottom of the movable pressing plate 12 and the bottom of the fixed mold base plate 3 are positioned at the same horizontal height so as to enable the bottom of the movable pressing plate 12 to be lapped with the top of a formed product, the bottom end of the piston rod is fixedly connected with the top of the movable pressing plate 12, the piston rod is connected with the inside of the fixed mold base plate 3 in a sliding manner, and the movable pressing plate 12 can be driven to move up and down through the work of the hydraulic rods 22, round slot 13 has been seted up to one side that loose core mould 7 is close to core mould benevolence 6, core mould benevolence 6 is close to the spacing post 14 of one side fixedly connected with of taking out mould core 7, the quantity of spacing post 14 is two, and two spacing posts 14 divide half to be located the left and right sides of core mould benevolence 6, the first spring 15 of the inside fixedly connected with of round slot 13, first spring 15 cup joints with spacing post 14 activity, can carry on spacingly to first spring 15 through spacing post 14, prevent that the crooked deformation condition from appearing in first spring 15 when the shrink, and then make first spring 15 can stably contract, the one end that round slot 13 was kept away from to first spring 15 and the side surface fixed connection of core mould benevolence 6, when the recovered extension of first spring 15, alright in order to drive and take out mould core 7 and outwards slide on the interior diapire of frame-shaped movable slot.

The left side and the right side of the fixed die base plate 3 are respectively provided with a movable hole 16, the number of the movable holes 16 is four, the movable holes 16 are communicated with the inside of the frame-shaped movable groove, one side of the core pulling die 7 away from the core insert 6 is fixedly connected with a guide rod 17, each core pulling die 7 is fixedly connected with two guide rods 17, one end of each guide rod 17 away from the core pulling die 7 is fixedly connected with a stop block 18, one side of each stop block 18 close to the corresponding guide rod 17 is fixedly connected with a second spring 19, the guide rods 17 are movably inserted in the movable holes 16, one end of each second spring 19 away from the corresponding stop block 18 is fixedly connected with the side surface of the movable die base plate 4, under the cooperation of the second spring 19 and the first spring 15, the core-pulling die 7 can be effectively driven to slide, so that the sliding of the core-pulling die 7 is more stable, a frame-shaped movable groove is formed in the top of the movable die base plate 4, the inner bottom wall of the frame-shaped movable groove is fixedly connected with two T-shaped sliding strips 20, the two T-shaped sliding strips 20 are bilaterally symmetrical about the central axis of the movable die base plate 4, a T-shaped sliding groove 21 is formed in one side, close to the male die core 6, of the core-pulling die 7, the T-shaped sliding groove 21 is communicated with the bottom of the core-pulling die 7, the T-shaped sliding strips 20 are connected with the T-shaped sliding groove 21 in a sliding mode, and the position deviation of the core-pulling die 7 in the frame-shaped movable groove is prevented.

When the injection molding machine is used, a molded product needs to be demolded, so that the upper die holder 1 moves upwards to drive the fixed die holder plate 3 and the cavity insert 5 to move upwards together, the hydraulic rod 22 moves upwards together, meanwhile, the hydraulic rod 22 works to drive the piston rod to move downwards, the movable pressing plate 12 can be driven to move downwards, the movable pressing plate 12 can move out of the rectangular movable groove 11, the bottom of the movable pressing plate 12 is in lap joint with the top of the molded product, the situation that the cavity insert 5 drives the molded product to move upwards and deflect when moving upwards is avoided, the molded product is pressed and fixed, after the inclined guide pillar 9 moves out of the inclined guide groove 8, the first spring 15 and the second spring 19 extend again under the action of the first spring 15 and the second spring 19, the core-drawing die 7 can be driven to move towards two sides, the distance between the core-drawing die 7 and the core 6 is increased, the core-drawing die 7 is separated from the molded product, and the molded product on the core 6 can be ejected through a top mechanism on the lower die holder 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a beryllium copper film injection mold of loosing core that prevents to wipe fever, includes upper die base (1) and die holder (2), its characterized in that: the utility model discloses a die core, including the bottom fixedly connected with cover half bedplate (3) of upper die base (1), the top fixedly connected with movable mould cushion of die holder (2), the top fixedly connected with movable mould bedplate (4) of movable mould cushion, the inside of cover half bedplate (3) is provided with cavity benevolence (5), the inside of movable mould bedplate (4) is provided with core benevolence (6), the inside sliding connection of movable mould bedplate (4) has core drawing die (7), rectangle activity groove (11) have been seted up to the bottom of cavity benevolence (5), the inside swing joint of rectangle activity groove (11) has activity clamp plate (12), the inside fixed mounting of cover half bedplate (3) has two hydraulic stems (22), the bottom of hydraulic stem (22) is provided with the piston rod.

2. The beryllium-copper film core-pulling injection mold capable of preventing burning according to claim 1, characterized in that: the core drawing die is characterized in that an inclined guide groove (8) which penetrates through the core drawing die (7) from top to bottom is formed in the core drawing die (7), an inclined guide pillar (9) is fixedly connected to the bottom of the fixed die base plate (3), a slotted hole (10) is formed in the movable die base plate (4), the inclined guide pillar (9) is movably inserted into the inclined guide groove (8), and the bottom end of the inclined guide pillar (9) is movably inserted into the slotted hole (10).

3. The beryllium-copper film core-pulling injection mold capable of preventing burning according to claim 1, characterized in that: the core drawing die is characterized in that a round groove (13) is formed in one side, close to the core (6), of the core drawing die (7), a limiting column (14) is fixedly connected to one side, close to the core drawing die (7), of the core drawing die (6), a first spring (15) is fixedly connected to the inside of the round groove (13), the first spring (15) is movably sleeved with the limiting column (14), and one end, far away from the round groove (13), of the first spring (15) is fixedly connected with the side surface of the core drawing die (6).

4. The beryllium-copper film core-pulling injection mold capable of preventing burning according to claim 1, characterized in that: activity hole (16) have all been seted up to the left and right sides of cover half bedplate (3), one side fixedly connected with guide bar (17) of core mould benevolence (6) are kept away from in core drawing mould (7), one end fixedly connected with dog (18) of core drawing mould (7) are kept away from in guide bar (17), one side fixedly connected with second spring (19) that dog (18) are close to guide bar (17), the inside activity of guide bar (17) and activity hole (16) is pegged graft, the one end that dog (18) were kept away from in second spring (19) and the side surface fixed connection of movable mould bedplate (4).

5. The beryllium-copper film core-pulling injection mold capable of preventing burning according to claim 1, characterized in that: the top of movable mould bedplate (4) has seted up the frame activity groove, the interior diapire fixedly connected with T type draw runner (20) in the frame activity groove, core-pulling mould (7) are close to one side of public mould benevolence (6) and have seted up T type spout (21), the bottom intercommunication of T type spout (21) and core-pulling mould (7), the inside sliding connection of T type draw runner (20) and T type spout (21).

6. The beryllium-copper film core-pulling injection mold capable of preventing burning according to claim 1, characterized in that: the bottom of the movable pressing plate (12) and the bottom of the fixed die base plate (3) are located at the same horizontal height, the bottom end of the piston rod is fixedly connected with the top of the movable pressing plate (12), and the piston rod is connected with the inside of the fixed die base plate (3) in a sliding mode.

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