Delayed ejection structure of mold

Abstract

The utility model discloses a delayed ejection structure of a mold, relates to the technical field of molds, and solves the problems that a groove is processed at the position of an ejector rod hole of an original rear mold bottom plate, tapping is carried out, an ejector rod accessory is assembled and used in a matched manner, a new ejector pin hole is processed on an original ejector pin bottom plate, a newly added delayed ejector pin is assembled and used in a matched manner, and an ejector rod is assembled in a rod screw hole of the newly added ejector pin. The device comprises a base and a delay ejector pin, supporting seats are symmetrically and fixedly installed at the upper end of the base, when a mold is ejected out, a first supporting plate is firstly ejected, the mold is ejected out through the delay ejector pin, and then the mold is ejected out through the delay ejector pin. And after the first supporting plate is ejected to a certain position, the delay ejector pin and the first supporting plate are synchronously ejected, so that the ejection stress of the product is uniform, and the poor ejection problems of product bulge and ejection depression caused by the ejection stress of the ejector pin are thoroughly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mould, concretely is a mould delay ejection structure. BACKGROUND

[0002] After the mould processes the part, in order to facilitate the convenient taking of spare parts, need to set up the ejector rod below the mould, facilitate the ejection of the spare parts of processing completion, make the taking of spare parts convenient to the staff.

[0003] The original rear mould bottom plate ejector rod hole position processes the recess, the tapping, and the assembly is used with the ejector rod accessory, the original ejector pin bottom plate most processes the ejector pin hole, and the assembly is used with the newly added delay ejector pin, and the newly added ejector rod screw hole assembly is used for processing, which is easy to make the position of the ejected spare parts cause product bulging, bottom depression due to ejection stress, and reduces the use efficiency of the device. UTILITY MODEL CONTENTS

[0004] In view of the shortage of prior art, the utility model provides a mould delay ejection structure, solves the problem that the original rear mould bottom plate ejector rod hole position processes the recess, the tapping, and the assembly is used with the ejector rod accessory, processes the new ejector pin hole on the original ejector pin bottom plate, and the assembly is used with the newly added delay ejector pin, and the newly added ejector rod screw hole assembly is used for processing, which is easy to make the position of the ejected spare parts cause product bulging, bottom depression due to ejection stress, and reduces the use efficiency of the device.

[0005] To achieve the above object, the utility model is realized through the following technical scheme: a mould delay ejection structure, including base and delay ejector pin, the upper end of base is fixedly installed with support seat, the upper of base is placed with first support plate and second support plate respectively, and all set up between two support seats, the upper end of two support seats is fixedly installed with fixed seat, the upper of fixed seat is fixedly connected with lower mould plate, the top surface inside of lower mould plate is equally spaced a plurality of forming grooves, the bottom surface inside of forming groove is equally spaced a plurality of top holes, the lower end of delay ejector pin is fixedly connected in the inside of first support plate, and the upper end is penetrated in the inside of second support plate to the upper of second support plate, the top surface inside of base is fixedly installed with hydraulic cylinder, the output shaft of hydraulic cylinder is fixedly connected with the bottom of first support plate, the upper end of delay ejector pin is penetrated in the inside of fixed seat, and by penetrating in the inside of fixed seat into the inside of top hole.

[0006] Preferably, the first mounting groove is symmetrically arranged inside the top surface of the base, and the second mounting groove is arranged inside the sidewall of the first mounting groove, the top rod is fixedly installed inside the first mounting groove, the sliding groove is arranged inside the sidewall of the top rod, the sliding groove and the second mounting groove are correspondingly arranged, and the top block is slidably connected between the sliding groove and the second mounting groove.

[0007] Preferably, the top surface of the delay ejector pin is horizontal to the lower end sidewall of the forming groove when the delay ejector pin is in the initial position, so that the molded injection-molded part can be protected from being impacted by the delay ejector pin due to the action of the hydraulic cylinder when the ejecting work is performed.

[0008] Preferably, the diameter of the top of the delay ejector pin matches the diameter of the top hole, so that the phenomenon of liquid leakage can be prevented during injection molding.

[0009] The utility model provides a mould delay ejecting structure.

[0010] 1. The mould delay ejecting structure can make the first supporting plate be first ejected by the delay ejector pin when the mould is ejected, and then the delay ejector pin and the first supporting plate are synchronously ejected after the first supporting plate is ejected to a certain position, so that the product is uniformly stressed during ejection, and the problems of product bulging and product depression caused by the stress of the position of the ejector pin during ejection are completely improved.

[0011] 2. The mould delay ejecting structure can clamp and fixedly connect the delay ejector pin by the first supporting plate and the second supporting plate, so that the position of the delay ejector pin is stable, and the subsequent ejection work is facilitated. DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the layered structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the lower die supporting plate structure of the utility model;

[0015] Figure 4 It is a schematic diagram of the lower die supporting plate structure of the utility model; Figure 2 A portion of the utility model is enlarged and shown in the structure schematic diagram.

[0016] In the figure, 1 - base, 2 - support seat, 3 - first support plate, 4 - second support plate, 5 - fixed seat, 6 - lower die plate, 7 - forming groove, 8 - clamping groove, 9 - delayed ejector pin, 10 - hydraulic cylinder, 11 - first installation groove, 12 - second installation groove, 13 - ejector rod, 14 - top block, 15 - top hole, 16 - sliding groove. DETAILED DESCRIPTION

[0017] 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, 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 labor fall within the scope of protection of the utility model.

[0018] Embodiment 1

[0019] Please refer to Figures 1-4 The utility model discloses a mould delayed ejection structure, when taking out the formed injection molding, including base 1 and delayed ejector pin 9, the upper end of base 1 is fixedly installed with support seat 2, the upper of base 1 is placed with first support plate 3 and second support plate 4 respectively, and is all set between two support seats 2, the upper end of two support seats 2 is fixedly installed with fixed seat 5, the upper of fixed seat 5 is fixedly connected with lower die plate 6, the inside of the top surface of lower die plate 6 is set with a plurality of forming grooves 7 at equal intervals, the inside of the bottom surface of forming groove 7 is set with a plurality of top holes 15 at equal intervals, the lower end of delayed ejector pin 9 is fixedly connected in the inside of first support plate 3, and the upper end is penetrated in the inside of second support plate 4 to the upper of second support plate 4, the inside of the top surface of base 1 is fixedly installed with hydraulic cylinder 10, the output shaft of hydraulic cylinder 10 is fixedly connected with the bottom of first support plate 3, the upper end of delayed ejector pin 9 is penetrated in the inside of fixed seat 5, and enters the inside of top hole 15 by penetrating in the inside of fixed seat 5, the top surface of delayed ejector pin 9 is horizontal with the lower end side wall in the inside of forming groove 7 when being in initial position, the diameter of the top of delayed ejector pin 9 is matched with the diameter of top hole 15, first open hydraulic cylinder 10, and hydraulic cylinder 10 moves upward to first support plate 3, can make first support plate 3 drive second support plate 4 to move upward to delayed ejector pin 9, and delayed ejector pin 9 can conveniently eject the formed injection molding by penetrating in the inside of top hole 15.

[0020] Embodiment 2

[0021] In the embodiment, as Figures 1-4As shown, the first mounting groove 11 is symmetrically arranged inside the top surface of the base 1, and the side wall inside the first mounting groove 11 is provided with the second mounting groove 12, the inside of the first mounting groove 11 is fixedly provided with the top rod 13, the side wall of the top rod 13 is provided with the sliding groove 16, the sliding groove 16 and the second mounting groove 12 are corresponding to each other in position, and the top block 14 is slidably connected between the sliding groove 16 and the second mounting groove 12, the lower ends of the delay ejector pins 9 are penetrated into the first support plate 3 and between the first support plate 3 and the base 1, and the lower ends of two delay ejector pins 9 are fixedly connected with the upper ends of the top blocks 14, respectively, when the hydraulic cylinder 10 drives the first support plate 3 to move, the connected top block 14 moves with the delay ejector pin 9, so that the first support plate 3 is buffered when falling, and the protection of the delay ejector pin 9 is enhanced.

[0022] It should be noted that in the embodiment, when the mold delay ejection structure is used, as shown in the figure, Figures 1-4 First, the hydraulic cylinder 10 is opened, the hydraulic cylinder 10 drives the first support plate 3 to move upwards, the first support plate 3 drives the second support plate 4 to move upwards, the delay ejector pin 9 can conveniently eject the formed injection molded part through the inside of the top hole 15, and when the hydraulic cylinder 10 drives the first support plate 3 to move, the connected top block 14 moves with the delay ejector pin 9, so that the first support plate 3 is buffered when falling, and the protection of the delay ejector pin 9 is enhanced.

[0023] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model, for those skilled in the art, obviously, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

[0024] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A mold delayed ejection structure, characterized by: The utility model provides a kind of moulding machine, including base (1) and delay ejector pin (9), the upper end of the base (1) is symmetrically fixedly installed with support seat (2), the upper of the base (1) is placed with first support plate (3) and second support plate (4) respectively, and it is set between two support seats (2), the upper end of two support seats (2) is fixedly installed with fixed seat (5), the upper of the fixed seat (5) is fixedly connected with lower die plate (6), the top surface inside of the lower die plate (6) is equidistantly provided with multiple forming grooves (7), the bottom surface inside of the forming groove (7) is equidistantly provided with multiple top holes (15), the lower end of the delay ejector pin (9) is fixedly connected in the inside of first support plate (3), and the upper end is penetrated in the inside of second support plate (4) to the upper of second support plate (4), the top surface inside of the base (1) is fixedly installed with hydraulic cylinder (10), the output shaft of the hydraulic cylinder (10) is fixedly connected with the bottom of first support plate (3), the upper end of the delay ejector pin (9) is penetrated in the inside of fixed seat (5), and it is entered in the inside of top hole (15) by penetrating in the inside of fixed seat (5).

2. The mold delayed ejection structure according to claim 1, wherein: The top surface inside of the base (1) is symmetrically provided with first mounting groove (11), and the side wall inside in first mounting groove (11) is provided with second mounting groove (12), the inside of first mounting groove (11) is fixedly installed with top rod (13), the side wall inside of the top rod (13) is provided with sliding slot (16), the position of sliding slot (16) and second mounting groove (12) correspond to each other, top block (14) is slidably connected between sliding slot (16) and second mounting groove (12), the lower end of the delay ejector pin (9) is entered between first support plate (3) and base (1) by penetrating in the inside of first support plate (3), and the lower end of two delay ejector pins (9) is fixedly connected with the upper end of top block (14) respectively.

3. The delayed ejection mold structure of claim 1, wherein: The top surface of the delay ejector pin (9) is horizontal with the lower end side wall in the inside of forming groove (7) when being in initial position.

4. The delayed ejection mold structure of claim 1, wherein: The diameter of the top of the delay ejector pin (9) matches the diameter of top hole (15).

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