Digital feedback mould adjustment system device
A system device and mold adjustment technology, which is applied in the field of digital feedback mold adjustment system devices, can solve problems such as slow response speed, low control precision, and environmental pollution, and achieve the effects of fast response speed, high control precision and low noise
Active Publication Date: 2012-09-26
DEQING SHENDA MASCH MFG CO LTD
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Problems solved by technology
The disadvantages of the above mode adjustment method and structure are slow response speed, low control precision, high energy consumption, and environmental pollution.
Method used
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[0011] see Figure 1~Figure 3 , the present invention includes rear template 1, screw 2, connecting bolt 3, encoder 4, set screw 5, encoder shaft 6, screw 7, encoder connecting plate 8, mold adjusting gear 9, reduction motor 10, screw 11 , mould-adjusting motor seat 12, bull gear supporting device 13, bull gear 14, back nut 15 and pull bar 16, also be provided with controller (not seen on the figure) in addition. The encoder 4 is a digital incremental rotary encoder, and the large gear support device 13 is composed of a retaining ring 17 , a positioning shaft 18 , a bearing 19 , and a hexagon socket head cap screw 20 .
[0012] Connect the reduction motor 10 to the mold adjustment motor base 12 through the screw 11, the mold adjustment motor base 12 is installed on the rear template 1 through the connecting bolt 3, and then install the mold adjustment gear 9 and the encoder shaft 6 to the gear motor 10 On the main shaft, the encoder connecting plate 8 is fixed to the connecti...
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The invention discloses a digital feedback mould adjustment system device. According to the invention, the power is provided by a low-power reduction motor; the power is transmitted through a bull gear, a mould adjustment gear and a rear nut; the relevant information such as positive revolution, negative revolution, revolution frequency and the like of a main shaft of the motor is measured in real time by an encoder arranged on the main shaft of the reduction motor; the measured data is converted into a feedback signal through a feedback circuit and the feedback signal is transmitted to a controller through the feedback circuit; the feedback signal is compared with an input signal in the controller to obtain a deviation signal which is transmitted to an amplification circuit to drive the motor to revolve; the rear nut assembled on a pull rod is driven to revolve through the bull gear; as the pull rod is in threaded fit with the rear nut and the pull rod is a fixed member, the rear nutmoves in a straight line during the revolution and pushes a rear mould plate to move forth and back; in such way, measurement is discontinuously carried out through the encoder and comparison is discontinuously carried out, when the final deviation signal is zero, the rear mould plate reaches a target position and the reduction motor stops revolving. The digital feedback mould adjustment system device has the advantages of low noise, environment protection, high control accuracy and compact structure.
Description
technical field [0001] The invention relates to a digital feedback mold adjustment system device, which is suitable for mold adjustment on precision injection molding machines and all-electric injection molding machines. Background technique [0002] The mold adjustment method and structure of the rear template on the existing injection molding machine: it is composed of oil pump, motor, oil motor, electromagnetic reversing valve, gear set, high-pressure hose, photoelectric switch, rear nut and other related parts, and the oil pump motor provides power. , The gear set is driven by the oil motor, the electromagnetic reversing valve is used to control the forward and reverse rotation of the oil motor, the photoelectric switch is used to measure the number of rotations of the rear nut, the gear set drives the rear nut to rotate, and finally the mold adjustment is realized. The disadvantages of the above mode adjustment method and structure are slow response speed, low control p...
Claims
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IPC IPC(8): B29C45/80
Inventor 刘国林施优优戴金富张本西周巨栋
Owner DEQING SHENDA MASCH MFG CO LTD