阅读说明：本技术 一种注塑机射胶头板 (Injection head plate of injection molding machine ) 是由 商亚 王春 于 2021-10-08 设计创作，主要内容包括：本发明提供一种注塑机射胶头板,涉及汽车配件注塑件技术领域,包括安装杆、本体、连接杆、落料组件和头板组件,所述落料组件的底部与头板组件的顶部固定连通。本发明通过设置头板组件,清理块可以将外壁凝固后的塑剂向下推落,省去人工处理的工序,同时阻挡板可以对流体进行阻挡,并且流体可以通过两侧的出料孔流出,减少模具中的流体沿着头板外壳底端通孔倒流,加快注塑机对塑胶流体的注塑成型速度,通过增加落料环和弹性件,当落料环内的塑胶温度高导致落料环向外膨胀时,落料环可以向外挤压弹性件,当落料环内温度降低后,弹性件也可以自动将落料环恢复原位,避免落料环给落料外壳造成过大的压力而使落料外壳被撑爆。(The invention provides a plastic injection head plate of an injection molding machine, and relates to the technical field of automobile accessory injection molding parts. According to the invention, the head plate assembly is arranged, the cleaning block can push the plasticizer solidified on the outer wall downwards, the manual treatment process is omitted, meanwhile, the blocking plate can block the fluid, the fluid can flow out through the discharge holes on the two sides, the backflow of the fluid in the mold along the through hole at the bottom end of the head plate shell is reduced, the injection molding speed of the injection molding machine to the plastic fluid is accelerated, the blanking ring and the elastic part are added, when the blanking ring expands outwards due to the fact that the temperature of the plastic in the blanking ring is high, the blanking ring can extrude the elastic part outwards, and after the temperature in the blanking ring is reduced, the elastic part can automatically restore the blanking ring to the original position, so that the blanking shell is prevented from being propped and exploded due to the fact that the blanking ring generates excessive pressure on the blanking shell.)

1. The utility model provides a head board is glued to injection molding machine, is including installation pole, body, connecting rod, blanking subassembly and head board subassembly, its characterized in that: the bottom of blanking subassembly and the fixed intercommunication in top of first board subassembly, first board subassembly includes first board shell, fixed plate, spacing ring, clearance piece and barrier plate, the bottom outer wall of first board shell and the inner wall fixed connection of fixed plate, four reset spring of the even fixedly connected with in bottom of fixed plate, the top fixed mounting of clearance piece has the elastic ring, reset spring's bottom and the top fixed connection of elastic ring, the top of first board shell is run through and has been seted up the through-hole, the bottom inner wall bilateral symmetry fixedly connected with connecting block of through-hole, the bottom of connecting block and the top rotation of barrier plate are connected, one side fixedly connected with elastic support piece of barrier plate, elastic support piece's one end and the inner wall fixed connection of through-hole.

2. The injection head plate of an injection molding machine according to claim 1, characterized in that: the bottom of the fixed plate is uniformly and fixedly connected with four fixed rods, and the bottoms of the fixed rods are fixedly connected with the top of the limiting ring.

3. The injection head plate of an injection molding machine according to claim 1, characterized in that: discharge holes are symmetrically formed in two sides of the bottom end of the head plate shell, and the interior of the cleaning block is connected with the outer wall of the head plate shell in a sliding mode.

4. The injection head plate of an injection molding machine according to claim 1, characterized in that: the blanking assembly comprises a blanking shell and a sealing cover, the top of the blanking shell is fixedly connected with the bottom of the sealing cover, a plurality of elastic pieces are fixedly connected to the inner wall of the blanking shell, and blanking rings are fixedly connected to the inner walls of the elastic pieces.

5. The injection head plate of an injection molding machine according to claim 4, wherein: the top of the head plate shell is fixedly communicated with the bottom of the blanking shell, and the top of the blanking shell is fixedly communicated with the bottom of the connecting rod.

6. The injection head plate of an injection molding machine according to claim 1, characterized in that: the top of connecting rod and the fixed intercommunication in bottom of body, the bilateral symmetry fixedly connected with support piece of body.

7. The injection head plate of an injection molding machine according to claim 1, characterized in that: the top of body is fixed the intercommunication and is had the roof, the both ends symmetry fixedly connected with support of roof, the top of roof and the fixed intercommunication in bottom of installation pole, the thread groove has been seted up to the outer wall of installation pole.

Technical Field

The invention relates to the technical field of auto-parts injection parts, in particular to a plastic injection head plate of an injection molding machine.

Background

The injection head plate is an important part of an injection molding machine, the injection head plate is generally fixed on an injection platform base, the front end of the injection head plate is connected with a glue melting cylinder assembly, the rear end of the injection head plate is connected with an oil pressure motor through a glue injection oil cylinder and an oil pressure motor seat, assemblies such as a glue melting screw rod and parts such as an injection drill rod of the glue injection oil cylinder are combined in an inner cavity of the injection head plate, the injection drill rod and the inner cavity of the injection head plate are hydraulically sealed, maintenance and cleaning are required to be convenient, and therefore the injection head plate is required to have enough strength and rigidity and is firmly installed and fixed.

In the prior art, for example, Chinese patent numbers are: CN 204997918U's "a rubber head board is penetrated to injection molding machine", its technical scheme main points are including: the hopper is characterized by comprising a body, wherein supporting legs for supporting the body are respectively arranged on two sides of the middle bottom of the body, a filling hole is formed in the top surface of the body, the upper end of the filling hole is connected with the hopper, two side surfaces of the body are respectively provided with a window with a rectangular structure, and the window is communicated with the outside. According to the invention, the two support legs are additionally arranged at the bottom of the middle of the rubber injection head plate, so that the integral rigidity of the part is enhanced, and the shock resistance of the part is improved.

However, when the injection head plate of the existing injection molding machine is used, when the injection molding machine is used for injection molding of plastic fluid, the fluid in the mold can flow backwards along the nozzle to gush in some ways, so that the injection speed of the fluid in the injection head plate is reduced, the processing speed of the injection molding machine is reduced, secondly, when the injection head injects the plasticizer into the mold, the temperature of the plasticizer cannot reach the degree of complete cooling, the injection head plate is separated from the mold, part of the plasticizer is adhered to the end face of the injection head plate to be solidified, and the condition of manual treatment is caused.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, when an injection molding machine is used for injection molding of plastic fluid, the fluid in a mold flows back along a nozzle and flows in, so that the injection speed of the fluid in a plastic injection head plate is reduced, the processing speed of the injection molding machine is reduced, and then when a plastic injection head injects a plasticizer into the mold, the temperature of the plasticizer cannot reach the full cooling degree, the plastic injection head plate is separated from the mold, and part of the plasticizer is adhered to the end face of the plastic injection head plate to be solidified, so that the plastic injection head plate of the injection molding machine needs manual treatment.

In order to achieve the purpose, the invention adopts the following technical scheme: an injection head plate of an injection molding machine comprises an installation rod, a body, a connecting rod, a blanking assembly and a head plate assembly, the bottom of the blanking assembly is fixedly communicated with the top of the head plate assembly, the head plate assembly comprises a head plate shell, a fixed plate, a limiting ring, a cleaning block and a blocking plate, the outer wall of the bottom end of the head plate shell is fixedly connected with the inner wall of the fixed plate, the bottom of the fixed plate is uniformly and fixedly connected with four reset springs, the top of the cleaning block is fixedly provided with an elastic ring, the bottom of the return spring is fixedly connected with the top of the elastic ring, a through hole is arranged at the top of the head plate shell in a penetrating way, connecting blocks are symmetrically and fixedly connected with the two sides of the inner wall at the bottom end of the through hole, the bottom of connecting block is rotated with the top of blocking the board and is connected, one side fixedly connected with elastic support piece of blocking the board, elastic support piece's one end and the inner wall fixed connection of through-hole.

Preferably, the bottom of the fixing plate is uniformly and fixedly connected with four fixing rods, and the bottoms of the fixing rods are fixedly connected with the top of the limiting ring.

Preferably, the two sides of the bottom end of the head plate shell are symmetrically provided with discharge holes, and the inside of the cleaning block is in sliding connection with the outer wall of the head plate shell.

Preferably, the blanking assembly comprises a blanking shell and a sealing cover, the top of the blanking shell is fixedly connected with the bottom of the sealing cover, a plurality of elastic pieces are uniformly and fixedly connected to the inner wall of the blanking shell, and blanking rings are fixedly connected to the inner walls of the elastic pieces.

Preferably, the top of the head plate shell is fixedly communicated with the bottom of the blanking shell, and the top of the blanking shell is fixedly communicated with the bottom of the connecting rod.

Preferably, the top of the connecting rod is fixedly communicated with the bottom of the body, and the two sides of the body are symmetrically and fixedly connected with the supporting pieces.

Preferably, the top of body is fixed the intercommunication and is had the roof, the both ends symmetry fixedly connected with support of roof, the top of roof and the fixed intercommunication in bottom of installation pole, the thread groove has been seted up to the outer wall of installation pole.

Compared with the prior art, the invention has the advantages and positive effects that,

1. according to the invention, the head plate assembly is arranged, the cleaning block moves upwards when plastic is sprayed into the mold, when the head plate shell and the cleaning block leave the mold, the cleaning block moves downwards and quickly under the pressure of the reset spring, the cleaning block pushes down the plasticizer with the solidified outer wall, the manual treatment process is omitted, meanwhile, the blocking plate can block the fluid, the fluid can flow out through the discharge holes on the two sides, the backflow of the fluid in the mold along the through holes at the bottom end of the head plate shell is reduced, and the injection molding speed of the injection molding machine on the plastic fluid is accelerated.

2. According to the invention, by adding the blanking ring and the elastic part, when the blanking ring expands outwards due to high temperature of plastic in the blanking ring, the blanking ring can extrude the elastic part outwards, and when the temperature in the blanking ring is reduced, the elastic part can automatically restore the blanking ring to the original position, so that the blanking shell is prevented from being burst due to excessive pressure on the blanking shell caused by the blanking ring.

Drawings

FIG. 1 is a schematic perspective view of a plastic injection head plate of an injection molding machine according to the present invention;

FIG. 2 is a schematic bottom view of a plastic injection head plate of an injection molding machine according to the present invention;

FIG. 3 is a schematic structural view of a blanking assembly of a plastic injection head plate of an injection molding machine according to the present invention;

FIG. 4 is an enlarged detail view of the injection head plate of the injection molding machine shown at A in FIG. 3;

FIG. 5 is a schematic structural diagram of a head plate assembly of a plastic injection head plate of an injection molding machine according to the present invention;

fig. 6 is a front sectional view of a head plate assembly of a plastic injection head plate of an injection molding machine according to the present invention.

Illustration of the drawings: 1. mounting a rod; 2. a thread groove; 3. a top plate; 4. a support; 5. a body; 6. a support member; 7. a connecting rod; 8. a blanking assembly; 9. a head plate assembly; 81. a blanking shell; 82. sealing the cover; 83. a blanking ring; 84. an elastic member; 90. connecting blocks; 91. cleaning the block; 92. a limiting ring; 93. an elastic ring; 94. fixing the rod; 95. a fixing plate; 96. a return spring; 97. a head plate housing; 98. a through hole; 99. a discharge hole; 910. a blocking plate; 911. an elastic support member.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 6, the invention provides a plastic injection head plate of an injection molding machine, which comprises an installation rod 1, a body 5, a connecting rod 7, a blanking assembly 8 and a head plate assembly 9, wherein the bottom of the blanking assembly 8 is fixedly communicated with the top of the head plate assembly 9.

The specific arrangement and function of the blanking assembly 8 and the head plate assembly 9 will be described in detail below.

As shown in fig. 1, 5 and 6, the head plate assembly 9 includes a head plate housing 97, a fixing plate 95, a limiting ring 92, a cleaning block 91 and a blocking plate 910, the outer wall of the bottom end of the head plate housing 97 is fixedly connected with the inner wall of the fixing plate 95, four return springs 96 are uniformly and fixedly connected with the bottom of the fixing plate 95, an elastic ring 93 is fixedly installed at the top of the cleaning block 91, the bottom of the return spring 96 is fixedly connected with the top of the elastic ring 93, a through hole 98 is formed through the top of the head plate housing 97, connecting blocks 90 are symmetrically and fixedly connected with both sides of the inner wall of the bottom end of the through hole 98, the bottom of the connecting block 90 is rotatably connected with the top of the blocking plate 910, an elastic support 911 is fixedly connected with one side of the blocking plate 910, one end of the elastic support 911 is fixedly connected with the inner wall of the through hole 98, four fixing rods 94 are uniformly and fixedly connected with the bottom of the fixing plate 95, and the bottom of the fixing rods 94 are fixedly connected with the top of the limiting ring 92, discharge holes 99 are symmetrically formed in two sides of the bottom end of the head plate shell 97, and the inside of the cleaning block 91 is in sliding connection with the outer wall of the head plate shell 97.

The whole head plate assembly 9 achieves the effects that when the injection head plate is used for injecting plastic into a mold, the blocking plate 910 at the bottom end of the through hole 98 rotates towards two sides, the plastic in the head plate shell 97 reaches the interior of the mold through the through hole 98, the cleaning block 91 at the bottom end of the head plate shell 97 moves upwards under the thrust of the mold, the cleaning block 91 upwards extrudes the reset spring 96 and moves to the bottom of the fixing plate 95, after the plastic is completely extruded into the mold, the injection head plate is moved upwards, the head plate shell 97 and the cleaning block 91 leave the mold, the cleaning block 91 rapidly moves downwards under the pressure of the top reset spring 96, the cleaning block 91 downwards pushes the solidified plasticizer of the outer wall down along the outer wall of the head plate shell 97, the manual processing procedure is omitted, and when the head plate shell 97 leaves the mold, fluid in the mold flows inwards along the head plate shell 97, the blocking plate 910 can block the fluid, meanwhile, the fluid can flow out through the discharge holes 99 at the two sides, so that the backflow of the fluid in the mold along the through hole 98 at the bottom end of the head plate shell 97 is reduced, and the injection molding speed of the injection molding machine on the plastic fluid is increased.

As shown in fig. 2, fig. 3 and fig. 4, the blanking assembly 8 includes a blanking housing 81 and a sealing cover 82, the top of the blanking housing 81 is fixedly connected with the bottom of the sealing cover 82, a plurality of elastic members 84 are fixedly connected with the inner wall of the blanking housing 81, a blanking ring 83 is fixedly connected with the inner wall of the elastic members 84, the top of the head plate housing 97 is fixedly communicated with the bottom of the blanking housing 81, the top of the blanking housing 81 is fixedly communicated with the bottom of the connecting rod 7, the top of the connecting rod 7 is fixedly communicated with the bottom of the body 5, support members 6 are fixedly connected with the two sides of the body 5 symmetrically, a top plate 3 is fixedly communicated with the top of the body 5, brackets 4 are fixedly connected with the two ends of the top plate 3 symmetrically, the top of the top plate 3 is fixedly communicated with the bottom of the mounting rod 1, and a thread groove 2 is formed on the outer wall of the mounting rod 1.

The effect that its whole blanking subassembly 8 reached is, because the height change of plastic temperature can lead to penetrating the phenomenon that the head board formed expend with heat and contract with cold, through increase blanking ring 83 and elastic component 84 at the inner wall of blanking shell 81, elastic component 84 has great elasticity, when the plastic temperature height in blanking ring 83 leads to blanking ring 83 outwards to expand, blanking ring 83 can outwards extrude elastic component 84, after the temperature reduces in blanking ring 83, elastic component 84 also can be automatic with blanking ring 83 recovery normal position, avoid blanking ring 83 to cause too big pressure for blanking shell 81 and make blanking shell 81 by the propping.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.