Injection nozzle ejection mechanism for headrest mold

Abstract

The utility model relates to the field of headrest molds, in particular to an injection nozzle ejection mechanism for a headrest mold, which comprises a headrest mold body, an injection nozzle, an ejection support and an ejection cylinder. The ejection air cylinder is fixed to the headrest mold body and located on the right side of the injection molding nozzle, the ejection support is fixedly arranged on the left side of the upper end of the ejection air cylinder, an opening is formed in the middle of the ejection support, the upper end of the injection molding nozzle penetrates through the opening, the ejection air cylinder drives the ejection support, automatic pulling-out of the injection molding nozzle is achieved, manual operation is reduced, and the production efficiency is improved. The production automation level is improved, the problem of low efficiency caused by manual taking-out is solved, and the production process is accelerated; the automatic ejection mechanism can reduce the situation that the injection nozzle is clamped by the mold, so that the risk of damaging the injection nozzle and the mold is reduced, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of headrest moulds, in particular to an injection nozzle ejection mechanism for a headrest mould. Background Art

[0002] In the process of producing foam products such as headrests, the injection nozzle is a key component connecting the foaming machine and the mold. It is responsible for injecting the foaming material into the mold to form the desired product shape. The traditional manual removal method has some obvious shortcomings, especially in automated assembly line production, which may affect production efficiency and product quality. Existing problems: Manual removal of the injection nozzle is inefficient and easy to delay the production process; the mold may be stuck and the injection nozzle may cause damage, increasing production costs; manual operation has safety hazards and may cause work-related accidents.

[0003] In summary, in order to solve the deficiencies in the prior art, it is necessary to design a simple-structured injection nozzle ejection mechanism for a headrest mold. Utility Model Content

[0004] The utility model solves the problems of the prior art and provides an injection nozzle ejection mechanism for a headrest mould.

[0005] The purpose of the utility model can be achieved through the following technical solutions: A headrest mold injection nozzle ejection mechanism comprises: a headrest mold body, an injection nozzle, an ejection bracket and an ejection cylinder, the lower end of the injection nozzle is slidably inserted and arranged inside the headrest mold body, the ejection cylinder is fixed on the headrest mold body and located on the right side of the injection nozzle, the ejection bracket is fixedly arranged on the left side of the upper end of the ejection cylinder, an opening is provided in the middle of the ejection bracket, and the upper end of the injection nozzle is arranged through the opening.

[0006] A further improvement is that a support plate is fixed on the headrest mold body, a conical support groove is provided in the middle of the support plate, a casting hole is provided at the bottom of the conical support groove, the injection nozzle includes a conical mouth and a conduit arranged at the bottom of the conical mouth, the conduit is matched and inserted into the casting hole, and the conical mouth is matched with the conical support groove.

[0007] As a further improvement, the support plate is provided with support portions located on both sides of the conical support groove.

[0008] As a further improvement, an arc-shaped groove is provided on the inner side of the opening.

[0009] As a further improvement, the ejection bracket is fixedly connected to the ejection cylinder by bolts.

[0010] Compared with the prior art, the beneficial effects of the injection nozzle ejection mechanism for the headrest mold of the utility model are as follows:

[0011] The ejector cylinder drives the ejector bracket to realize automatic extraction of the injection nozzle, which reduces manual operations, improves the level of production automation, avoids the low efficiency of manual removal, and speeds up the production process; the automated ejector mechanism can reduce the situation where the mold is stuck with the injection nozzle, thereby reducing the risk of damaging the injection nozzle and mold and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model in state 1

[0013] Figure 2 This is a structural diagram of the second state of the utility model

[0014] Figure 3 This is a structural schematic diagram of a partial enlarged view of the utility model

[0015] In the figure, 1-headrest mold body, 2-injection nozzle, 21-conical mouth, 22-conduit, 3-ejection bracket, 31-opening, 32-arc groove, 4-ejection cylinder, 5-support plate, 51-conical support groove, 52-casting hole. DETAILED DESCRIPTION

[0016] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0017] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] Below is a combination of the embodiments and the attached Figures 1 to 3 , the technical solution of the utility model is further elaborated.

[0019] Example 1

[0020] A headrest mold injection nozzle ejection mechanism, comprising: a headrest mold body 1, an injection nozzle 2, an ejection bracket 3 and an ejection cylinder 4, wherein the lower end of the injection nozzle 2 is slidably inserted into the headrest mold body 1, the ejection cylinder 4 is fixed to the headrest mold body 1 and is located on the right side of the injection nozzle 2, the ejection bracket 3 is fixedly arranged on the left side of the upper end of the ejection cylinder 4, an opening 31 is provided in the middle of the ejection bracket 3, and the upper end of the injection nozzle 2 is arranged through the opening 31.

[0021] like Figure 1 to Figure 3 As shown, the use principle of the utility model is: the ejection cylinder 4 drives the ejection bracket 3 of the injection nozzle 2, and drives the injection nozzle 2 to be pulled out from the headrest mold body 1, so that the injection nozzle can be pulled out from the casting hole of the mold after the injection is completed to avoid the problem of the injection nozzle being stuck and difficult to remove after the foaming is completed.

[0022] The ejector cylinder drives the ejector bracket to realize automatic extraction of the injection nozzle, which reduces manual operations, improves the level of production automation, avoids the low efficiency of manual removal, and speeds up the production process; the automated ejector mechanism can reduce the situation where the mold is stuck with the injection nozzle, thereby reducing the risk of damaging the injection nozzle and mold and reducing production costs.

[0023] As a further preferred embodiment, a support plate 5 is fixed on the headrest mold body 1, a conical supporting groove 51 is provided in the middle of the support plate 5, a casting hole 52 is provided at the bottom of the conical supporting groove 51, the injection nozzle 2 includes a conical mouth 21 and a conduit 22 arranged at the bottom of the conical mouth 21, the conduit 22 is matched and inserted into the casting hole 52, the conical mouth 21 is matched with the conical supporting groove 51, and the conical supporting groove 51 is better matched with the conical mouth 21 of the injection nozzle 2, and the lifting and lowering are more stable.

[0024] As a further preferred embodiment, the support plate 5 is provided with support parts 52 located on both sides of the conical support groove 51 , and the lower end of the ejection bracket 3 is limited by the support parts 52 on both sides.

[0025] As a further preferred embodiment, an arc-shaped groove 32 is provided inside the opening 31 , and the arc-shaped groove 32 makes it more compatible with the tapered opening 21 of the injection nozzle 2 , and the lifting and lowering is more stable.

[0026] As a further preferred embodiment, the ejection bracket 3 is fixedly connected to the ejection cylinder 4 by bolts.

[0027] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A headrest mold injection nozzle ejection mechanism, characterized in that: include: A headrest mold body, an injection nozzle, an ejector bracket and an ejector cylinder, wherein the lower end of the injection nozzle is slidably inserted into the headrest mold body, the ejector cylinder is fixed on the headrest mold body and is located on the right side of the injection nozzle, the ejector bracket is fixedly arranged on the left side of the upper end of the ejector cylinder, an opening is provided in the middle of the ejector bracket, and the upper end of the injection nozzle is arranged through the opening.

2. The ejection mechanism for a headrest mold according to claim 1, characterized in that: A support plate is fixed on the headrest mold body, a conical support groove is provided in the middle of the support plate, a casting hole is provided at the bottom of the conical support groove, the injection nozzle includes a conical mouth and a conduit arranged at the bottom of the conical mouth, the conduit is matched and inserted into the casting hole, and the conical mouth is matched with the conical support groove.

3. The ejection mechanism for a headrest mold according to claim 2, characterized in that: The support plate is provided with support parts located on both sides of the conical support groove.

4. The ejection mechanism for a headrest mold according to claim 1, characterized in that: An arc groove is arranged inside the opening.

5. The injection nozzle ejection mechanism for a headrest mold according to claim 1, characterized in that: The ejection bracket is fixedly connected to the ejection cylinder by bolts.

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