Female mold side hardware shaft anti-falling structure of vertical injection molding machine

Abstract

The utility model belongs to the technical field of injection molding equipment, and provides an anti-falling structure for a female mold side hardware shaft of a vertical injection molding machine. The anti-falling structure for the hardware shaft on the female die side of the vertical injection molding machine comprises a round insert and a pair of vibrating needle assemblies, the round insert is arranged in the injection molding machine, an inlaying hole is formed in the middle of the round insert, the hardware shaft penetrates through the inlaying hole, the vibrating needle assemblies are oppositely arranged on the upper portion of the round insert, one end of each vibrating needle assembly penetrates through the round insert and abuts against the hardware shaft, and the other end of each vibrating needle assembly abuts against the hardware shaft. An end matched with the groove in the top of the hardware shaft is arranged on the portion, abutting against the hardware shaft, of the vibrating needle assembly. According to the female mold side hardware shaft anti-falling structure of the vertical injection molding machine, the stability of the hardware shaft can be improved, the situation that the reject ratio of injection molding products is affected due to falling of the hardware shaft during injection molding is prevented, and the percent of pass and the quality of the injection molding products are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection molding equipment technical field, concretely relates to a vertical injection molding machine female die side hardware shaft anti -drop structure. BACKGROUND

[0002] In the current injection molding processing industry, vertical injection molding machine as a kind of efficient, flexible production equipment, is widely used in the manufacturing process of various plastic products, when vertical injection molding machine produces injection molding product, ensure the stability and accuracy of mould assembly are crucial to produce high-quality, defect-free injection molding product.

[0003] Hardware shaft as part of injection molding product, need to be inserted into the inlay hole in the middle of round insert of female die side before injection molding product injection molding, after injection molding product injection molding, along with injection molding product is taken out. However, in actual production process, when vertical injection molding machine carries out high-speed or high-pressure injection molding operation, larger vibration and mechanical stress will be generated, at this time, only rely on the friction force between hardware shaft and inlay hole to fix hardware shaft, under the influence of vibration, mechanical stress and hardware shaft's own gravity, hardware shaft will have the risk of falling naturally, thereby leading to mould breakage and injection molding product size defect, further influence product quality, pass rate and production efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at the prior art problem, provides a vertical injection molding machine female die side hardware shaft anti -drop structure that can promote hardware shaft stability, prevents the bad rate of injection molding product when carrying out injection molding and promotes injection molding product pass rate and quality.

[0005] To realize above technical purpose, the utility model adopts following technical scheme:

[0006] A vertical injection molding machine female die side hardware shaft anti -drop structure, including round insert, elastic pin assembly;

[0007] The round insert is arranged in injection molding machine, the middle part of the round insert is provided with inlay hole, and the hardware shaft passes through;

[0008] The elastic pin assembly is arranged in the upper portion of the round insert, one end of the elastic pin assembly passes through the round insert and abuts against the hardware shaft, and the portion, where the elastic pin assembly abuts against the hardware shaft, is provided with end head matched with the recess in the top of the hardware shaft.

[0009] Preferably, the elastic pin assembly includes pressing plate and elastic component;

[0010] The pressing plate is arranged on the upper part of the round insert, one end of the elastic component is arranged on the pressing plate, the other end of the elastic component passes through the round insert and abuts against the hardware shaft, and the part of the elastic component abutting against the hardware shaft is provided with the end head.

[0011] Preferably, the upper part of the round insert is oppositely provided with a pressing plate groove, the pressing plate is arranged in the pressing plate groove in a matched mode, and the pressing plate is arranged in the pressing plate groove.

[0012] Preferably, the elastic component comprises a spring and a spring needle.

[0013] The pressing plate, the spring and the spring needle are sequentially connected, and the end head is arranged at the end of the spring needle away from the spring.

[0014] Preferably, a limiting needle is arranged on the top of the round insert, and the bottom of the limiting needle abuts against the top of the hardware shaft.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] (1) the utility model discloses a hardware shaft anti-falling structure of a vertical injection molding machine, which comprises a round insert, a hardware shaft and an elastic component, wherein the round insert is provided with an embedding hole in the middle part, the hardware shaft is arranged in the embedding hole, and the elastic component is arranged on the top of the hardware shaft.

[0017] (2) the utility model discloses a hardware shaft anti-falling structure of a vertical injection molding machine, which comprises a round insert, a hardware shaft and an elastic component, wherein the round insert is provided with an embedding hole in the middle part, the hardware shaft is arranged in the embedding hole, and the elastic component is arranged on the top of the hardware shaft.

[0018] (3) the utility model discloses a hardware shaft anti-falling structure of a vertical injection molding machine, which comprises a round insert, a hardware shaft and an elastic component, wherein the round insert is provided with an embedding hole in the middle part, the hardware shaft is arranged in the embedding hole, and the elastic component is arranged on the top of the hardware shaft. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a mother mold side sectional view of the vertical injection molding machine of the utility model embodiment.

[0020] Figure 2 It is a hardware shaft anti-falling structure schematic diagram of the vertical injection molding machine mother mold side of the utility model embodiment without an injection molding area.

[0021] Figure 3The utility model discloses a vertical injection molding machine female die side hardware shaft anti -drop structure schematic view of embodiment of the utility model;

[0022] Figure 4 The utility model discloses a hardware shaft and injection molding area structure schematic view of embodiment of the utility model;

[0023] Figure 5 The utility model discloses a limiting needle and hardware shaft structure schematic view of embodiment of the utility model containing injection molding area;

[0024] Figure 6 The utility model discloses a limiting needle and hardware shaft structure schematic view of embodiment of the utility model without injection molding area.

[0025] The figure mark explains: 1, round insert piece;11, insert hole;12, pressing plate recess;2, elastic pin assembly;21, pressing plate;22, elastic component;221, spring;222, elastic pin;223, end head;3, hardware shaft;31, recess of hardware shaft top;4, limiting needle;5, vertical injection molding machine female die side;6, injection molding area. Specific implementation

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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 belong to the scope of protection of the utility model.

[0027] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "bottom", "one end", "top", "middle", "the other end", "upper", "top", "inner" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0028] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing" and the like should be understood broadly, for example, can be fixed connection, or detachable connection, or integral;Can be mechanical connection, or electrical connection;Can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning of the specific situation by those skilled in the art.

[0029] Embodiment 1

[0030] In combination Figures 1-6 The utility model embodiment provides a vertical injection molding machine female mold side hardware shaft prevents falling structure, including round insert piece 1, elastic needle assembly 2,

[0031] The round insert piece 1 is arranged in the injection molding machine, the middle part of the round insert piece 1 is provided with an inlay hole 11, and the hardware shaft 3 passes through the inlay hole 11;

[0032] The elastic needle assembly 2 is a pair of and is oppositely arranged on the upper part of the round insert piece 1, one end of the elastic needle assembly 2 passes through the round insert piece 1 and abuts against the hardware shaft 3, and the part, where the elastic needle assembly 2 abuts against the hardware shaft 3, is provided with an end head 223 matched with the groove on the top of the hardware shaft 3;

[0033] Further, the elastic needle assembly 2 includes a pressing plate 21 and an elastic component 22;

[0034] The pressing plate 21 is arranged on the upper part of the round insert piece 1, one end of the elastic component 22 is mounted on the pressing plate 21, the other end of the elastic component 22 passes through the round insert piece 1 and abuts against the hardware shaft 3, and the part, where the elastic component 22 abuts against the hardware shaft 3, is provided with the end head 223.

[0035] By means of the groove 31 on the top of the hardware shaft, the pressing plate 21 and the elastic component 22 are arranged, the end head 223 of the elastic component 22 is matched with the groove 31 on the top of the hardware shaft, the hardware shaft is better fixed when being inserted into the inlay hole 11 in the middle part of the round insert piece 1, the falling of the hardware shaft is avoided during injection molding, the defective rate of the injection molding product is reduced, the quality, the qualified rate and the production efficiency of the product are improved, and the hardware shaft is more convenient to take out due to the elastic effect of the elastic component 22 when the injection molding is completed.

[0036] Embodiment 2

[0037] Based on embodiment 1, in the embodiment, the upper part of the round insert piece 1 is oppositely provided with a pressing plate groove 12, the pressing plate is matched with the pressing plate groove 12, and the pressing plate is mounted in the pressing plate groove 12;

[0038] Further, the elastic component 22 includes a spring 221 and an elastic needle 222;

[0039] The pressing plate, the spring 221 and the elastic needle 222 are sequentially connected, and the end head 223 is arranged at the end of the elastic needle 222 away from the spring 221; in actual application, other elastic components, such as metal elastic sheets, can also be used instead of the spring.

[0040] By setting the pressing plate groove 12 on the upper part of the round insert 1, the pressing plate is matched and set in the pressing plate groove 12, so that the stability of the spring and the elastic pin is better, and the stability of the hardware shaft is further improved.

[0041] Embodiment 3

[0042] Based on Embodiment 1 and Embodiment 2, in this embodiment, the top of the round insert 1 is provided with a limiting needle 4, and the bottom of the limiting needle 4 abuts against the top of the hardware shaft.

[0043] By setting the limiting needle 4 on the top of the round insert 1, when the hardware shaft is inserted into the inlay hole 11, the hardware shaft can be limited by the limiting needle 4, and the size of the exposed section of the hardware shaft will not be unqualified due to the excessive upward stroke of the hardware shaft, thereby reducing the unqualified rate of the injection molding product and further improving the quality of the product.

[0044] The above only describes the embodiments of the present application and does not limit the present application. Any modification, equivalent replacement and improvement within the scope of the present application shall be included in the protection scope of the present application.

Claims

1. A vertical injection molding machine mother mold side hardware shaft anti-falling structure, characterized in that, Include round insert, elastic needle assembly; The round insert is arranged in an injection molding machine, a middle part of the round insert is provided with an inlay hole for a metal shaft to pass through; The elastic needle assembly is arranged in pairs and oppositely arranged on the upper part of the round insert, one end of the elastic needle assembly passes through the round insert and abuts against the metal shaft, and the part of the elastic needle assembly abutting against the metal shaft is provided with an end head matched with a groove on the top of the metal shaft.

2. The vertical injection molding machine mold side hardware shaft anti-falling structure according to claim 1, characterized in that, The elastic needle assembly includes a pressing plate and an elastic component; The pressing plate is arranged on the upper part of the round insert, one end of the elastic component is mounted on the pressing plate, the other end of the elastic component passes through the round insert and abuts against the metal shaft, and the part of the elastic component abutting against the metal shaft is provided with the end head.

3. The vertical injection molding machine mold side hardware shaft anti-falling structure according to claim 2, characterized in that, The upper part of the round insert is oppositely provided with a pressing plate groove, the pressing plate is matched with the pressing plate groove, and the pressing plate is mounted in the pressing plate groove.

4. The vertical injection molding machine mold side hardware shaft anti-falling structure according to claim 3, characterized in that, The elastic component includes a spring and an elastic needle; The pressing plate, the spring and the elastic needle are connected in sequence, and the end head is arranged at the end of the elastic needle away from the spring.

5. The mold side hardware shaft anti-falling structure of the vertical injection molding machine master mold according to any one of claims 1-4, characterized in that, The top of the round insert is provided with a limiting needle, and the bottom of the limiting needle abuts against the top of the metal shaft.

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