There is the extruding machine of material forming checkout gear
Technical field
The utility model relates to a kind of extruding machine, relates in particular to a kind of extruding machine with material forming checkout gear.
Background technology
Extruding machine is a kind of shaped device that plastics is converted into working of plastics, existing extruding machine is in the time becoming working of plastics by plastic processing, whether qualified in order to determine the density value of the working of plastics processing, all to observe and/or the mode of feel is estimated definite by eye, if defective, extruding machine is regulated and controled, but because the mode of eye observation and/or feel exists accuracy not high, make the uniformity of the working of plastics density of the last machine-shaping of extruding machine neither be very high, and then make the also variation of quality of the working of plastics of moulding.
Utility model content
The purpose of this utility model is to propose a kind of extruding machine with material forming checkout gear, and its uniformity that can ensure the working of plastics density of extruding machine machine-shaping improves, and prevents that the bad situation of plastics discharging from occurring.
For reaching this object, the utility model by the following technical solutions:
There is an extruding machine for material forming checkout gear, comprise casing, machine barrel, head, be positioned at described casing transmission system, be positioned at the hopper of described machine barrel top and the material forming monitoring device for detection of molding plastic part density;
In described head, be arranged to mould, one end of described machine barrel is connected with described casing, and the other end is connected with described head, is provided with the screw rod being connected with described transmission system in described machine barrel, for the material in described machine barrel is squeezed to described mould;
Described material forming monitoring device comprises checkout gear and treating apparatus, and described checkout gear is arranged on described mould sidewall, and described treating apparatus is electrically connected with described checkout gear;
Described checkout gear comprises pressure sensor, the pressure measxurement end of described pressure sensor is arranged in the mold cavity of described mould, for detection of material in described mould, being extruded in process the pressure that described wall of die cavity is produced, the signal output part of described pressure sensor is electrically connected with treating apparatus.
As the preferred technical scheme of one, on described mould sidewall, be provided with the through hole that is communicated with mold cavity inside and head outside, described pressure sensor is arranged in described through hole.
As the preferred technical scheme of one, the pressure measxurement end of described pressure sensor has a pressure probe, described pressure probe is positioned at the side-walls of described mould, and described mould sidewall is provided with the flexible sheet that can contact with described pressure probe with the position that described through hole is communicated with.
As the preferred technical scheme of one, described pressure sensor is at least one.
As the preferred technical scheme of one, checkout gear also comprises temperature sensor, the temperature detection end of described temperature sensor is arranged in the through hole that is communicated with mold cavity and head outside, for detection of the temperature of the material in mold cavity, the signal output part of described temperature sensor is electrically connected with treating apparatus.
As the preferred technical scheme of one, the position that described mould sidewall is communicated with described through hole is provided with the heat conduction diaphragm with the temperature detection end in contact of described temperature sensor.
As the preferred technical scheme of one, described temperature sensor is at least one.
As the preferred technical scheme of one, described treating apparatus comprises the data acquisition module being electrically connected with described checkout gear, the processing module being electrically connected with described data acquisition module and the display module being electrically connected with described processing module.
As the preferred technical scheme of one, described display module is LCDs.
As the preferred technical scheme of one, described treating apparatus also comprises the warning module of early warning when the minimum of the standard density scope for be less than working of plastics when the density of the working of plastics of extruding machine machine-shaping or density are greater than the maximum of working of plastics standard density scope, and described warning module is electrically connected with described processing module.
Contrast prior art, the beneficial effects of the utility model are: by material forming checkout gear is set on the machine barrel of extruding machine, make extruding machine in the time of work, can detect accurately the density of working of plastics of extruding machine machine-shaping whether in critical field, this not only makes the uniformity of the working of plastics density of extruding machine machine-shaping improve, and also makes the production efficiency of extruding machine improve simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of the extruding machine with material forming checkout gear described in embodiment.
Fig. 2 is head internal structure schematic diagram.
Fig. 3 is I place enlarged drawing in Fig. 2.
Fig. 4 is the extruding machine monitoring device workflow block diagram described in the present embodiment with material forming checkout gear.
In figure:
1, casing; 2, machine barrel; 3, head; 4, transmission system; 5, hopper; 6, mould; 7, screw rod; 8, pressure sensor; 9, through hole; 10, pressure probe; 11, flexible sheet; 12, temperature sensor; 13, temp probe; 14, heat conduction diaphragm; 15, mold cavity.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by detailed description of the invention.
As shown in Figures 1 to 4, the extruding machine with material forming checkout gear described in the utility model in the present embodiment, comprise casing 1, machine barrel 2, head 3, be positioned at casing 1 transmission system 4, be positioned at the hopper 5 of machine barrel 2 tops and the material forming monitoring device for detection of molding plastic part density; In head 3, be arranged to mould 6, one end of machine barrel 2 is connected with casing 1, and the other end is connected with head 3, is provided with the screw rod 7 being connected with transmission system 4 in machine barrel 2, for the material in machine barrel 2 is squeezed to mould 6.
Material forming monitoring device comprises checkout gear and treating apparatus, and checkout gear comprises pressure sensor 8 and temperature sensor 12; On mould 6 sidewalls, be provided with the through hole 9 that is communicated with mold cavity 15 inside and head 3 outsides, pressure sensor 8 and temperature sensor 12 are all arranged in through hole 9, pressure sensor 8 has a pressure probe 10, pressure probe 10 is positioned at the side-walls of mould 6, pressure for detection of the interior material of mould 6 to mold cavity 15 inwalls, the signal output part of pressure sensor 8 is electrically connected with treating apparatus, and the position that mould 6 sidewalls are communicated with the through hole 9 that is provided with pressure sensor 8 is provided with the flexible sheet 11 that can contact with pressure probe 10.
Flexible sheet 11 is set and is convenient to prevent that the material in mold cavity 15 from entering into through hole 9, and can force value be transferred to pressure probe 10 accurately by the distortion of flexible sheet 11.
The temp probe 13 of temperature sensor 12 is arranged in through hole 9, and for detection of the temperature of the material in mold cavity 15, the signal output part of temperature sensor 12 is electrically connected with treating apparatus; The position that mould 6 sidewalls are communicated with the through hole 9 that is provided with temperature sensor 12 is provided with the heat conduction diaphragm 14 contacting with temp probe 13.
In the present embodiment, temperature sensor 12 is one with pressure sensor 8, and be arranged on head 3 upper positions, in actual use in order more evenly to measure accurately temperature value and force value, the quantity of temperature sensor 12 and pressure sensor 8 can be multiple, and can be evenly arranged at head 3 outer surfaces.Treating apparatus comprises the data acquisition module being electrically connected with checkout gear, the processing module being electrically connected with data acquisition module and the display module being electrically connected with processing module, and wherein, display module is preferably LCDs.
Operation principle:
First material is sent in machine barrel 2 by hopper 5, then open the startup power supply of extruding machine, molding materials monitoring device and transmission system 4 simultaneously electric work, screw rod 7 also under the drive of transmission system 4, rotates and pressing materials transports toward head 3, the material being extruded can produce pressure to the pressure probe of pressure sensor 8 10 places, pressure sensor 8 is converted into electric pressure signal by this pressure and sends data acquisition module to, simultaneously, the temperature sensor 12 being arranged on head 3 is also that temperature signal passes to data acquisition module by the temperature inversion recording, data acquisition module produces corresponding pressure parameter and temperature parameter after receiving electric pressure signal and temperature signal, and they are passed to processing module, after processing module receives, in temperature parameter table and pressure parameter table, find corresponding pressure, temperature real physical, then these real physical are updated to the density that calculates molding plastic part in molding plastic part density formula, the molding materials density data calculating is passed to display module by processing module, and show in display module, last operation person can determine that whether the density of working of plastics of extruding machine machine-shaping is up to standard according to the data result showing in display module, if not up to standard, the density value that can realize by changing the velocity of rotation of screw rod 7 and/or the temperature of adjusting machine barrel 2 interior materials molding plastic part reaches standard value.
In other embodiment of the present utility model, treating apparatus also can comprise the warning module of early warning in the time that the density of the working of plastics of extruding machine machine-shaping is less than the minimum of working of plastics standard density scope or density and is greater than the maximum of working of plastics standard density scope, and warning module is electrically connected with processing module.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, within these modes all will fall into protection domain of the present utility model.