Injection mold capable of ejecting and taking parts

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold for ejecting and taking pieces, which comprises a lower mold and an ejector plate, the top of the lower mold is connected with an upper mold, and the top of the upper mold is connected with a feed port. When the mold is used, the upper mold moves upwards, the pulling rods on the two sides are driven to move upwards synchronously, the connecting rods on the two sides of the lower mold are pulled to slide, the connecting rods slide in the straight grooves firstly, the sliding blocks drive the connecting plates and the top plates to move upwards, and products formed in the lower mold are ejected out; the connecting rod obliquely moves towards the position of the limiting groove, so that the connecting rod is clamped with the limiting groove, at the moment, the pulling rod is separated from the connecting rod, due to the fact that the connecting rod is clamped with the limiting groove, the position of the top plate is fixed, and the product is always in an ejected state, so that the product is convenient to take.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection mold technical field, concretely is a kind of ejection of injection mold. BACKGROUND

[0002] Injection mold is the key component in injection molding process, for forming the accurate shape of plastic product in injection molding machine, commonly used mold material has alloy tool steel, high speed steel and hard alloy etc., and heat treatment process such as annealing, quenching, tempering and surface hardening treatment is used to improve the hardness, wear resistance and dimensional stability of mold.

[0003] When the product with internal processing is ejected using the existing injection mold, the connecting rod is rotated by pushing the external push rod, and the push rod and the top plate are moved when the connecting rod rotates, to eject the product in the injection mold. But this ejection method is troublesome, the ejection mechanism needs to be operated, and the push rod needs to be continuously pushed to keep the product in the ejected state. SUMMARY

[0004] The utility model aims at providing a kind of ejection of injection mold to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of ejection of injection mold, including lower mold and top plate, the top of the lower mold is connected with upper mold, the top of the upper mold is connected with feed inlet,

[0006] The two sides of the lower mold are fixedly connected with pull rod, the bottom of the pull rod is provided with connecting rod, one end of the connecting rod is fixedly connected with sliding block, the outer side of the sliding block is slidably connected with connecting plate, the top of the connecting plate is fixedly connected with top plate, the two sides of the lower mold are provided with straight slot and arc slot matched with connecting rod.

[0007] Preferably, the side of the arc slot is provided with limit slot, and the limit slot is opened in the inside of the lower mold.

[0008] Preferably, the inside of the sliding block is slidably connected with slide rod, and the two ends of the slide rod are fixedly connected with the connecting plate.

[0009] Preferably, the top and bottom of the sliding block are both rollably connected with ball, the outer side of the ball is rollably connected with the connecting plate, and the bottom of the connecting plate is fixedly connected with tension spring.

[0010] Preferably, the bottom of the tension spring is fixedly connected with the lower mold, and the two sides of the lower mold are movably connected with the pull rod through the rotating shaft.

[0011] Preferably, the outer side of the connecting plate is slidably connected with the lower mold.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] After the product is processed by using the utility model, when the product processed inside needs to be ejected, the upper die is moved upwards, the two pulling rods are synchronously moved upwards, the connecting rod on the two sides of the lower die is slid, the connecting rod is first slid in the straight groove, the sliding block moves the connecting plate and the top plate upwards, the product formed in the lower die is ejected, when the connecting rod slides to the position of the arc-shaped groove, the connecting rod moves obliquely to the position of the limiting groove, the connecting rod is engaged with the limiting groove, at this time, the pulling rod is separated from the connecting rod, because the connecting rod is engaged with the limiting groove, the position of the top plate is fixed, the product is always in the state of being ejected, thereby facilitating taking. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the sectional three-dimensional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the limiting groove of the utility model;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model Figure 2 It is an enlarged structure schematic diagram of A in the utility model.

[0018] In the drawing: 1, lower die; 2, upper die; 3, feed inlet; 4, pulling rod; 5, connecting rod; 6, connecting plate; 7, top plate; 8, straight groove; 9, arc-shaped groove; 10, limiting groove; 11, sliding block; 12, sliding rod; 13, ball; 14, tension spring; 15, pulling lever. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a ejection pick-up injection mold, including lower die 1 and top plate 7, the top of lower die 1 is connected with upper die 2, the top of upper die 2 is connected with feed inlet 3,

[0021] Both sides of the lower mold 1 are fixedly connected with pull rods 4, the bottom of the pull rod 4 is provided with a connecting rod 5, one end of the connecting rod 5 is fixedly connected with a sliding block 11, the outer side of the sliding block 11 is slidably connected with a connecting plate 6, the top of the connecting plate 6 is fixedly connected with a top plate 7, both sides of the lower mold 1 are provided with a straight slot 8 and an arc-shaped slot 9 matched with the connecting rod 5, the inside of the connecting plate 6 is provided with a sliding groove matched with the sliding block 11, the inside of the lower mold 1 is provided with a moving groove matched with the connecting plate 6, and the connecting plate 6 and the lower mold 1 form a sliding structure;

[0022] One side of the arc-shaped slot 9 is provided with a limiting slot 10 which is arranged in the inside of the lower mold 1, the inside of the sliding block 11 is slidably connected with a sliding rod 12, both ends of the sliding rod 12 are fixedly connected with the connecting plate 6, the top and the bottom of the sliding block 11 are both rollingly connected with a ball 13, the outer side of the ball 13 is rollingly connected with the connecting plate 6, the bottom of the connecting plate 6 is fixedly connected with a pull spring 14, the bottom of the pull spring 14 is fixedly connected with the lower mold 1, both sides of the lower mold 1 are movably connected with a rotating rod 15 through a rotating shaft, the outer side of the connecting rod 5 is slidably connected with the lower mold 1, the inside of the sliding block 11 is provided with a through hole matched with the sliding rod 12, and the sliding rod 12 and the sliding block 11 form a sliding structure, and the rotating rod 15 and the lower mold 1 form a rotating structure.

[0023] In specific implementation, after the product is processed by using the utility model, when the product processed inside needs to be ejected, the upper mold 2 is moved upwards, the pull rod 4 on both sides is synchronously moved upwards, the connecting rod 5 on both sides of the lower mold 1 is pulled to slide, the connecting rod 5 will slide in the straight slot 8 first, the sliding block 11 will contact with the connecting plate 6 through the ball 13, thereby driving the connecting plate 6 to move upwards, the connecting plate 6 will pull the pull spring 14 at the bottom to stretch, and drive the top plate 7 to move upwards, thereby ejecting the product formed in the lower mold 1, when the connecting rod 5 slides to the position of the arc-shaped slot 9, the connecting rod 5 will move obliquely to the position of the limiting slot 10, the sliding block 11 at the end of the connecting rod 5 will slide in the sliding groove in the connecting plate 6, the ball 13 can reduce the friction when the sliding block 11 moves, with the continuous upward movement of the pull rod 4, the connecting rod 5 will be pushed into the limiting slot 10, at this time, the pull rod 4 will always be in the state of being ejected and separated from the connecting rod 5, and the connecting rod 5 will be clamped with the limiting slot 10, and the pull rod 4 will continue to move upwards, since the connecting rod 5 is clamped with the limiting slot 10, the position of the top plate 7 will be fixed, and the product will always be in the state of being ejected, thereby facilitating taking;

[0024] When the next group of products is processed, the lower mold 1 and the upper mold 2 can be spliced, and then the push rod 15 is pushed to rotate, and the connecting rod 5 in the limiting groove 10 is pushed to move when the push rod 15 rotates, so that the connecting rod 5 is separated from the limiting groove 10, at this time the tension spring 14 resets, and pulls the connecting rod 5, the connecting plate 6 and the top plate 7 to reset, so that the product can be automatically ejected when the lower mold 1 and the upper mold 2 are separated, and the product is convenient to take.

[0025] In summary: the utility model for use, first with the lower mold 1 and the upper mold 2 are merged, then through the feed inlet 3 melt after the plastic is injected into the lower mold 1 and the upper mold 2, after cooling complete forming processing, this is prior art, the content not described in detail in the description belongs to the prior art known to the person skilled in the art.

[0026] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An ejection of injection mold, comprising a lower mold (1) and a top plate (7), the top of the lower mold (1) is connected with an upper mold (2), the top of the upper mold (2) is connected with a feeding port (3), characterized in that, Both sides of the lower mold (1) are fixedly connected with a pull rod (4), the bottom of the pull rod (4) is provided with a connecting rod (5), one end of the connecting rod (5) is fixedly connected with a sliding block (11), the outer side of the sliding block (11) is slidably connected with a connecting plate (6), the top of the connecting plate (6) is fixedly connected with a top plate (7), both sides of the lower mold (1) are provided with a straight slot (8) and an arc slot (9) matched with the connecting rod (5).

2. An injection mold with ejection of the piece according to claim 1, characterized in that: One side of the arc slot (9) is provided with a limiting slot (10), the limiting slot (10) is arranged in the inside of the lower mold (1).

3. The ejection take-off injection mold of claim 1, wherein: The inside of the sliding block (11) is slidably connected with a sliding rod (12), both ends of the sliding rod (12) are fixedly connected with the connecting plate (6).

4. An injection mold with ejection of the piece according to claim 3, characterized in that: Both the top and the bottom of the sliding block (11) are rollingly connected with a ball (13), the outer side of the ball (13) is rollingly connected with the connecting plate (6), the bottom of the connecting plate (6) is fixedly connected with a pull spring (14).

5. An injection mold with ejection of the piece according to claim 4, characterized in that: The bottom of the pull spring (14) is fixedly connected with the lower mold (1), both sides of the lower mold (1) are movably connected with a rotating shaft (15).

6. The ejection take-off injection mold of claim 1, wherein: The outer side of the connecting plate (6) is slidably connected with the lower mold (1).

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