Hot runner system and control unit
A technology of control unit and hot runner, which is applied in the field of hot runner molds, can solve the problems of complex structure, high cost, unstable and reliable structure, etc., and achieve the effect of stable and reliable rotation
Pending Publication Date: 2021-01-12
朗力(苏州)注塑技术有限公司
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Problems solved by technology
However, such setting makes the structure of the whole system very complicated and the cost is high
[0004] In order to solve the above problems, the technicians have conducted research, offset the drive cylinder relative to the hot nozzle, and make the drive cylinder deviate from the hot nozzle in the longitudinal direction. Although this solves the problem that the heat of the hot nozzle easily affects the drive cylinder, the structure not stable enough
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[0022] The present invention will be described in detail below in conjunction with specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.
[0023] In each drawing of the present application, some dimensions of structures or parts are exaggerated relative to other structures or parts for convenience of illustration, and therefore, are only used to illustrate the basic structure of the subject matter of the present application.
[0024] The terms used herein to denote relative spatial positions such as "upper", "above", "under", "under", etc. are for convenience of description to describe the relative position of one element or feature relative to another as shown in the drawings. Relationships of units or features. The terms of spatial rel...
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The invention discloses a hot runner system and a control unit. The hot runner system comprises a hot nozzle and a valve needle, wherein the valve needle can be driven to slide. The hot runner systemfurther comprises the control unit, wherein the control unit comprises a driving cylinder, a base which is fixed relative to the driving cylinder, and a rotating beam which is rotatably connected to the base through a rotating shaft; the driving cylinder is provided with a cylinder body and a driving rod which can do reciprocating motion along a straight line; the motion direction of the driving rod is parallel to the sliding direction of the valve needle; a pull rod is fixedly connected to the driving rod; the pull rod is connected with the rotating beam through a connecting shaft; a valve needle cap is fixedly arranged on the valve needle; the valve needle cap is connected with the rotating beam through a valve needle shaft; the control unit further comprises a reinforcing assembly whichis connected to the rotating beam; the reinforcing assembly extends and penetrates through the base; and when the rotating beam rotates relative to the base, the reinforcing assembly moves relative to the base. According to the hot runner system and the control unit, the heat of the hot nozzle cannot influence the driving cylinder, and the overall structure is more stable and reliable.
Description
technical field [0001] The invention relates to the field of hot runner molds, in particular to a hot runner system and a control unit. Background technique [0002] At present, the injection molds commonly used in the injection molding industry are hot runner injection molds. Compared with ordinary molds, the plastic products injected through the hot runner system are of higher quality, and the hot runner system has the advantages of saving raw materials, improving production efficiency, and high degree of automation. [0003] A hot runner system usually includes a hot nozzle with a flow channel and a valve needle in the flow channel. The valve needle is driven by a drive cylinder so that the valve needle can slide back and forth to close or open the flow channel, in order to inject plastic materials smoothly. The cavity, the material must be in a liquid state, and the hot nozzle needs to be kept at a certain high temperature, so that the material remains in a liquid state,...
Claims
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Login to View More IPC IPC(8): B29C45/28B29C45/80
CPCB29C45/281B29C45/80B29C2945/76568
Inventor 李象烈
Owner 朗力(苏州)注塑技术有限公司