Full-electric injection plastifying mechanism
An all-electric, servo motor technology, applied in the field of injection molding machine manufacturing, can solve the problems of affecting the repeatability of injection products, large changes in the inertia force of the pre-molding seat, inaccurate injection pressure measurement, etc., to achieve compact structure and reduced injection driving inertia. , Improve the effect of injection acceleration performance
Active Publication Date: 2017-06-30
NINGBO HAIDA PLASTIC MACHINERY
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Problems solved by technology
Due to the long force transmission route between the injection pressure source and the pressure measuring device, the frictional resistance of the bearing seat and the plasticizing mechanism on the bearing seat fluctuates greatly when moving forward. When the injection speed and injection acceleration are different, the inertial force of the pre-plastic seat changes. Many of the above factors will lead to inaccurate measurement of injection pressure, which directly affects the repeatability of injection molded products.
Method used
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[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0024] Such as Figure 1 to Figure 5 Shown is the structural representation of the present invention,
[0025] The reference signs are: body 1, observation window 11, injection fixing plate 2, injection ball screw 21, injection servo motor 3, injection timing pulley 31, injection driven timing pulley 32, injection timing belt 33, Injection pressure measuring device 4, feeding seat 5, barrel 51, screw 52, plasticizing servo motor 6, plasticizing timing pulley 61, plasticizing driven timing pulley 62, plasticizing timing belt 63, spline shaft 7 , Spline sleeve 71, bearing seat 8, bearing 81, injection linear guide 82, slider 83, slide rail 9, fixing hole 91.
[0026] Such as Figure 1 to Figure 5 as shown,
[0027] An all-electric injection plasticizing mechanism, including a fuselage 1, an injection fixing plate 2 is fixed on the rear of ...
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The invention discloses a full-electric injection plastifying mechanism. The mechanism comprises a machine body; an injection fixed plate is fixed at the back part of the machine body; an injection ball screw is assembled in the center of the injection fixed plate; an injection servo motor is fixed to the machine body; the injection servo motor is in transmission connection with the injection ball screw; the front end of the injection ball screw penetrates through an injection pressure measuring device with a cylindrical structure; an unloading base is fixed at the front part of the machine body; a charging barrel is assembled in the center of the unloading base; a screw rod is arranged in the center of the charging barrel; a plastifying servo motor is fixed to the machine body; and the plastifying servo motor is in transmission connection with the screw rod. The full-electric injection plastifying mechanism has the following advantages that the structure is reasonable; the plastifying mechanism is placed at the front end of the injection fixed plate and separated from a bearing base, so that the whole plastifying mechanism has no need to be pushed to advance during injecting, the injection pushing inertia can be largely reduced, and the injection acceleration performance is improved; and the injection pressure measuring device with the cylindrical structure can reduce axial length of the injection plastifying machine.
Description
technical field [0001] The invention relates to the technical field of injection molding machine manufacturing, in particular to an all-electric injection plasticizing mechanism. Background technique [0002] The injection plasticizing mechanism of the all-electric injection molding machine generally adopts the following form: the injection servo motor drives the screw to rotate through the synchronous belt during injection, and the screw rotates to push the ball nut and the bearing seat forward and backward, and the injection screw is installed at the front end of the bearing seat, that is, The rotary motion of the injection servo motor is converted into the linear reciprocating motion of the injection screw, so as to realize the action functions of injection, pressure holding, and glue pumping of the electric injection molding machine. During the plasticizing action, the plasticizing servo motor drives the screw to rotate through the synchronous belt, so as to realize the ...
Claims
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IPC IPC(8): B29C45/47B29C45/58B29C45/77
CPCB29C45/47B29C45/58B29C45/77B29C2945/76006B29C2945/7618B29C2945/76381
Inventor 曹亮徐金富
Owner NINGBO HAIDA PLASTIC MACHINERY