Straight-ejecting and inclined-pulling demolding device for injection mold

Abstract

The utility model relates to the technical field of injection molds, and discloses an injection mold straight-ejecting and inclined-pulling demolding device which comprises a bottom mold, a supporting frame is fixedly installed on the top side of the bottom mold, a first air cylinder is fixedly installed on the top side of the supporting frame, a top mold is fixedly installed at the bottom end of the first air cylinder, and a mold core is fixedly installed on the inner side of the bottom mold. A top plate is arranged on the bottom side of the inner side of the mold core, and an inclined pulling plate is arranged on the left side of the inner side of the bottom mold. When a placement plane is not stable, the two bases can be conveniently and respectively adjusted to be in a horizontal state by respectively rotating the adjusting bolts and then pushing the bases to lift and move, so that the injection molding quality is improved and the demolding is prevented from being influenced in the injection molding process, and the injection molding quality is improved during injection molding or demolding. The first air cylinder is started to drive the top mold to ascend and descend so that the top mold can be conveniently separated from or clamped with the bottom mold, automatic lifting is achieved, demolding procedures are reduced, and demolding difficulty is lowered.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a kind of injection mold straight top oblique extraction demoulding device. BACKGROUND

[0002] Injection mold is a tool for producing plastic products, and is also a tool for giving plastic products complete structure and accurate size, injection molding is a processing method used when mass producing some complex-shaped parts, specifically refers to the high-pressure injection of heated and melted plastic into mold cavity by injection molding machine, and the shaped product is obtained after cooling and solidification.

[0003] According to retrieval, Chinese patent document, announcement number: CN216732831U, discloses a kind of injection mold with straight top oblique extraction combined demoulding function, the contact area of workbench and ground is reduced by supporting leg, the height of workbench is improved, the influence of uneven ground to workbench demoulding process is reduced, stability is improved, protective cover can protect motor from the influence of external sundries, prolong the life of motor, handle is convenient to force to pick up pressing plate.But in the process of using, need artificial to pick up handle to remove pressing plate, it is troublesome to operate, increase process, and in the process of using, although the contact area of workbench and ground is reduced by the use of supporting leg, the height of workbench is improved, when facing uneven ground, the levelness of device cannot be guaranteed, product quality is prone to decline while affecting demoulding, and using gear and rack effect, although workpiece can be ejected, but long-term use, exposed structure is prone to pollution, lead to service life reduction and need frequent addition lubricant, prone to pollution to mold and workpiece, it is troublesome to clean up in later period. UTILITY MODEL CONTENT

[0004] (I) the technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a kind of injection mold straight top oblique extraction demoulding device, with the advantages of adjusting mold levelness, improving product injection molding quality and reducing demoulding effect, and ejecting structure is stable, service life is good, and it is automatically opened and closed, and it is convenient and fast to take out stripping material, the above technical problems are solved.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a straight top oblique draw demoulding device of injection mould, including the bottom die, the top side fixed mounting of bottom die has the support frame, the top side fixed mounting of support frame has no.

[0008] Preferably, the top side of the bottom die is provided with a groove, the bottom side of the inner side of the mold core is provided with a matching groove, the inner side of the matching groove is provided with a top plate through clamping, the bottom side of the top plate is fixedly installed with a no.

[0009] Through the above technical scheme, in the use process, the no. 1 air cylinder is started to drive the top die to move up and down, and then the bottom die is separated or clamped, and the automatic lifting reduces the demolding process and reduces the demolding difficulty, and the no. 2 air cylinder is started to drive the top plate to eject the workpiece from the mold core, which is convenient for the later oblique draw of the workpiece.

[0010] Preferably, the right side of the top die is fixedly installed with a matching seat, the matching seat is provided with two, and the size and shape of the matching seat are matched with the groove, the top side of the top die is provided with a limiting hole, and the limiting hole is provided with four.

[0011] Through the above technical scheme, in the process of clamping connection of the top die and the bottom die, the groove and the matching seat are clamped, which is beneficial to improve the sealing performance of the top die and the bottom die after connection and convenient positioning clamping, and under the action of the limiting hole, the top die is beneficial to slide outside the support frame when descending, and the moving stability is improved.

[0012] Preferably, the left side of the oblique draw plate is fixedly installed with two side plates, the opposite sides of the side plates are movably installed with an adjusting rod through bearings, the adjusting rod and the side plates are fixedly installed with a torque spring, the outer side of the adjusting rod is fixedly installed with a connecting frame, and the left side of the connecting frame is fixedly installed with a ejector pin.

[0013] Through the above technical scheme, in the process of demolding, the top plate and the ejector pin are rotated under the action of the adjusting rod, which is convenient for adjusting the angle, and then the workpiece is conveniently ejected, and under the action of the torque spring, it is convenient for resetting and storage, and under the cooperation of the telescopic rod, it is beneficial to improve the stability in the process of ejecting the workpiece, the structure is stable, and the service life is high.

[0014] Preferably, the top frame comprises a baffle, a telescopic rod and an electric push rod, a thimble is fixedly installed on the right side of the baffle, and the telescopic rod and the electric push rod are fixedly installed between the baffle right side and the bottom die respectively.

[0015] Through the above technical scheme, when the top plate is parallel to the slope on the right side of the mold core, the electric push rod is started to drive the baffle and the thimble to move to the right side, thereby pushing the inclined drawing plate to be in close contact with the workpiece, and then continuously moving the workpiece to the right side of the slope of the bottom die into the groove, thereby completing the demolding and facilitating the workpiece to be taken out.

[0016] Preferably, the bottom side of the fixing frame is provided with a connecting hole, the connecting hole is provided with four, the left and right ends of the top side of the fixing frame are fixedly installed with a threaded sleeve respectively, the inner side of the threaded sleeve is connected with an adjusting bolt through a thread, the top side of the base is fixedly installed with a stabilizing rod, and the stabilizing rod is movably installed on the inner side of the connecting hole.

[0017] Through the above technical scheme, when the placing plane is unstable, the adjusting bolts are rotated respectively, and then the base is pushed to move up and down, thereby facilitating the two bases to be adjusted respectively so that the device is in a horizontal state, which is beneficial to improve the injection molding quality and avoid affecting the demolding during the injection molding process.

[0018] Compared with the prior art, the injection mold straight top and inclined drawing demolding device has the following beneficial effects:

[0019] 1、When the placing plane is unstable, the adjusting bolts are rotated respectively, and then the base is pushed to move up and down, thereby facilitating the two bases to be adjusted respectively so that the device is in a horizontal state, which is beneficial to improve the injection molding quality and avoid affecting the demolding during the injection molding process.

[0020] 2、The injection mold straight top and inclined drawing demolding device is characterized in that the workpiece is pushed out of the mold core by starting the second cylinder to drive the top plate, at this time the top plate is parallel to the slope on the right side of the mold core, then the electric push rod is started to drive the baffle and the thimble to move to the right side, thereby pushing the inclined drawing plate to be in close contact with the workpiece, and then continuously moving the workpiece to the right side of the slope of the bottom die into the groove, thereby completing the demolding and facilitating the workpiece to be taken out. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1It is the whole three-dimensional structure schematic view of the utility model;

[0022] Figure 2 It is the rear view structure schematic view of the utility model;

[0023] Figure 3 It is the front view cross section structure schematic view of the utility model bottom mould;

[0024] Figure 4 It is the three-dimensional connection structure schematic view of the utility model inclined draw plate and top frame;

[0025] Figure 5 It is the connection three-dimensional structure schematic view of the utility model fixing frame and base.

[0026] 1, bottom mould, 2, support frame, 3, one air cylinder, 4, top mould, 5, mould core, 6, top plate, 7, inclined draw plate, 8, ejector pin, 9, top frame, 10, fixing frame, 11, adjusting bolt, 12, base, 101, recess, 501, fitting groove, 601, two air cylinders, 401, fitting seat, 402, limiting hole, 701, side plate, 702, adjusting rod, 703, connecting frame, 901, baffle, 902, telescopic rod, 903, electric push rod, 1001, connecting hole, 1002, threaded sleeve, 1101, stabilizing rod. DETAILED DESCRIPTION

[0027] The technical scheme 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0028] Embodiment one:

[0029] As shown in Figures 1-5 The utility model provides a kind of injection mould straight top inclined draw demoulding device, including bottom mould 1, the top side of bottom mould 1 is fixedly installed with support frame 2, the top side of support frame 2 is fixedly installed with one air cylinder 3, the bottom end of one air cylinder 3 is fixedly installed with top mould 4, the inner side of bottom mould 1 is fixedly installed with mould core 5, the bottom side of mould core 5 inner side is provided with top plate 6, the left side of bottom mould 1 inner side is provided with inclined draw plate 7, the left side of inclined draw plate 7 is provided with ejector pin 8, the left end of ejector pin 8 is fixedly installed with top frame 9, the bottom side of bottom mould 1 is fixedly installed with fixing frame 10, the top side of fixing frame 10 is connected with adjusting bolt 11 by screwing, the bottom end of adjusting bolt 11 is movably installed with base 12 by bearing.

[0030] Specifically, the top side of the bottom die 1 is provided with a groove 101, the inner side of the mold core 5 is provided with a matching groove 501, the inner side of the matching groove 501 is provided with a top plate 6 through clamping installation, the bottom side of the top plate 6 is fixedly installed with a No. 2 air cylinder 601, and the groove 101 is provided with two. The advantage is that the No. 1 air cylinder 3 is started to drive the top die 4 to move up and down, so as to facilitate the disengagement or clamping of the bottom die 1, automatic lifting, reduce the demolding process and reduce the demolding difficulty, and the No. 2 air cylinder 601 is started to drive the top plate 6 to eject the workpiece from the mold core 5, which is convenient for the later inclined ejection of the workpiece.

[0031] Specifically, the right side of the top die 4 is fixedly installed with a matching seat 401, the matching seat 401 is provided with two, and the size and shape of the matching seat 401 are matched with the groove 101, and the top side of the top die 4 is provided with a limiting hole 402, and the limiting hole 402 is provided with four. The advantage is that the groove 101 and the matching seat 401 are clamped, which is conducive to improving the sealing performance of the top die 4 and the bottom die 1 after being connected, and facilitating positioning and clamping, and under the action of the limiting hole 402, the top die 4 is conducive to sliding on the outside of the supporting frame 2 when descending, improving the stability of movement.

[0032] Specifically, the left side of the inclined plate 7 is fixedly installed with two side plates 701, the opposite sides of the side plates 701 are movably installed with an adjusting rod 702 through bearings, a torque spring is fixedly installed between the adjusting rod 702 and the side plates 701, a connecting frame 703 is fixedly installed on the outside of the adjusting rod 702, and a ejector pin 8 is fixedly installed on the left side of the connecting frame 703. The advantage is that the top plate 6 and the ejector pin 8 are convenient for adjusting the angle under the rotation of the adjusting rod 702, which is convenient for ejecting the workpiece, and is convenient for resetting and storing under the action of the torque spring, and is conducive to improving the stability of the workpiece during ejection under the cooperation of the telescopic rod 902, the structure is stable, and the service life is high.

[0033] Example two:

[0034] As shown in Figures 1-5 , as an improvement of the last embodiment. Specifically, the top frame 9 comprises a baffle 901, a telescopic rod 902 and an electric push rod 903, the ejector pin 8 is fixedly installed on the right side of the baffle 901, and the telescopic rod 902 and the electric push rod 903 are fixedly installed between the baffle 901 and the bottom die 1 on both ends of the right side. The advantage is that the baffle 901 and the ejector pin 8 are moved to the right side by starting the electric push rod 903, which pushes the inclined plate 7 to fit with the workpiece, and then continuously moves the workpiece to the right side of the bottom die 1 to enter the groove 101, so as to complete the demolding, and the workpiece is convenient to take out.

[0035] Specific, fixed frame 10 bottom side is provided with connecting hole 1001, connecting hole 1001 total is provided with four, the top side of fixed frame 10 left and right ends are fixedly installed with threaded sleeve 1002, the inner side of threaded sleeve 1002 is connected with adjusting bolt 11 by screw thread, the top side of base 12 is fixedly installed with stable rod 1101, stable rod 1101 is movably installed in the inner side of connecting hole 1001. Advantage is, by respectively rotating adjusting bolt 11, then pushing base 12 to move up and down, in turn, it is convenient to adjust two bases 12 so that the device is in a horizontal state, which is beneficial to improve the injection molding quality and avoid affecting the demolding process.

[0036] In use, the device is placed in the designated position, when the placing plane is unstable, by respectively rotating adjusting bolt 11, then pushing base 12 to move up and down, in turn, it is convenient to adjust two bases 12 so that the device is in a horizontal state, which is beneficial to improve the injection molding quality and avoid affecting the demolding process, and in the process of injection molding or demolding, by starting No. 1 cylinder 3 to drive top die 4 to move up and down, in turn, it is convenient to separate or engage with bottom die 1, automatically lift, reduce demolding process and reduce demolding difficulty, then in the process of demolding, by starting No. 2 cylinder 601 to drive top plate 6 to eject the workpiece from mold core 5, at this time, top plate 6 is parallel to the inclined surface on the right side of mold core 5, then start the electric push rod 903 to drive the baffle 901 and the ejector pin 8 to move to the right side, in turn, push the inclined plate 7 to be attached to the workpiece, in turn, continuously move the workpiece to the right side of the inclined surface of the bottom die 1 into the groove 101, so as to complete the demolding, the workpiece is convenient to take out, in the process of demolding, the top plate 6 and the ejector pin 8 are adjusted under the rotation of the adjusting rod 702, which is convenient to adjust the angle, in turn, it is convenient to eject the workpiece, and under the action of the torque spring, it is convenient to reset and store, and under the cooperation of the telescopic rod 902, it is beneficial to improve the stability in the process of ejecting the workpiece, the structure is stable, and the service life is high.

[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A straight top inclined knockout device for injection moulds, comprising a bottom half (1), characterised in that: The top side of the bottom die (1) is fixedly installed with a support frame (2), the top side of the support frame (2) is fixedly installed with a No. 1 air cylinder (3), the bottom end of the No. 1 air cylinder (3) is fixedly installed with a top die (4), the inner side of the bottom die (1) is fixedly installed with a mold core (5), the bottom side of the inner side of the mold core (5) is provided with a top plate (6), the left side of the inner side of the bottom die (1) is provided with an inclined draw plate (7), the left side of the inclined draw plate (7) is provided with a ejector pin (8), the left end of the ejector pin (8) is fixedly installed with a top frame (9), the bottom side of the bottom die (1) is fixedly installed with a fixed frame (10), the top side of the fixed frame (10) is threadedly connected with an adjusting bolt (11), and the bottom end of the adjusting bolt (11) is movably installed with a base (12) through a bearing.

2. A straight lifter angle eject demolding device for an injection mold according to claim 1, characterized in that: The top side of the bottom die (1) is provided with a groove (101), the bottom side of the inner side of the mold core (5) is provided with a matching groove (501), the inner side of the matching groove (501) is installed with a top plate (6) through clamping, the bottom side of the top plate (6) is fixedly installed with a No. 2 air cylinder (601), and the groove (101) is provided with two.

3. A straight lifter angle eject demolding device of an injection mold according to claim 1, characterized in that: The right side of the top die (4) is fixedly installed with a matching seat (401), the matching seat (401) is provided with two in total, and the size and shape of the matching seat (401) are matched with the groove (101), the top side of the top die (4) is provided with a limiting hole (402), and the limiting hole (402) is provided with four in total.

4. A straight lifter angle eject demolding device of an injection mold according to claim 1, characterized in that: The left side of the inclined draw plate (7) is fixedly installed with two side plates (701), the opposite sides of the side plates (701) are movably installed with an adjusting rod (702) through bearings, and a torque spring is fixedly installed between the adjusting rod (702) and the side plates (701). The outer side of the adjusting rod (702) is fixedly installed with a connecting frame (703), and the left side of the connecting frame (703) is fixedly installed with an ejector pin (8).

5. A straight lift angle ejector device for injection mold according to claim 1, wherein: The top frame (9) comprises a baffle (901), a telescopic rod (902) and an electric push rod (903), the right side of the baffle (901) is fixedly installed with an ejector pin (8), and the telescopic rod (902) and the electric push rod (903) are fixedly installed between the right side of the baffle (901) and the bottom die (1) respectively.

6. A straight lifter angle eject demolding device of an injection mold according to claim 1, characterized in that: The bottom side of the fixed frame (10) is provided with a connecting hole (1001), the connecting hole (1001) is provided with four in total, the left and right ends of the top side of the fixed frame (10) are fixedly installed with threaded sleeves (1002) respectively, the inner side of the threaded sleeve (1002) is threadedly connected with an adjusting bolt (11), the top side of the base (12) is fixedly installed with a stabilizing rod (1101), and the stabilizing rod (1101) is movably installed on the inner side of the connecting hole (1001).

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