A kind of feeding machine and epoxy molding plastic production equipment
Technical field
Technical field of chemical is the utility model is related to, is given birth in particular to a kind of feeding machine and epoxy molding plastic
Produce equipment.
Background technology
Epoxy molding plastic is to stir evenly the raw material such as epoxy resin, phenolic resin, silicon powder in homogenizer,
Extruder is then added to be extruded.Its traditional handicraft is to be fed by volume type feeding machine to extruder.But this charging side
Formula is there are feeding capacity is unbalanced, lacks material during saturation in extruder barrel during material, so as to cause feeding in continuous time section
Amount differs greatly, and the debugging to feeding machine is also very inconvenient, and Pouring oar causes production process index unstable, no than relatively low
It can meet the requirement of high request production.In addition, operator can only speculate feed bin surplus by observation panel, so as to notify
Upstream process feeds to extruder feed bin, and in the case of charging too late, material will quickly rush in feed bin, cause slug to show
As.
Utility model content
The purpose of this utility model is to provide a kind of feeding machine, it can improve Pouring oar, reduce in production process
The occurrence of index is unstable, so as to reach the requirement of production high quality of products.
The another object of the utility model is to provide a kind of epoxy molding plastic production equipment, it can improve epoxy mold
The product quality of material.
What the embodiment of the utility model was realized in:
A kind of feeding machine, including sequentially connected hopper, feed device and meausring apparatus.Meausring apparatus includes mutually interconnecting
Weighting platform, the weighing sensor connect.Weighting platform is connected with feed device, and weighing sensor is electrically connected with feed device with control system
Connect, control system is used for the rate of feeding for adjusting feed device.Weighing sensor is by the reality of the hopper measured in the unit interval
Feeding amount passes to control system, and control system constantly adjusts the rate of feeding of feed device according to actual feeding amount, makes reality
Feeding amount constantly close to default feeding amount, reaches more stable rate of feed with this, improves the feeding essence between time adjacent segments
Degree.
In a kind of embodiment of the utility model, hopper is made of stainless steel material.
In a kind of embodiment of the utility model, the inner wall surface roughness of hopper is 25~10um.
In a kind of embodiment of the utility model, hopper includes the trapezoidal hopper being connected with each other and spherical hopper, spherical
Hopper is connected with feed device.
In a kind of embodiment of the utility model, spherical hopper is equipped with the observation window for being used for observing material surplus.
In a kind of embodiment of the utility model, hopper is provided with material position inductor.
In a kind of embodiment of the utility model, feed device includes motor, feeding rod and feeding passage.Motor
Output shaft is connected with feeding rod, and feeding rod is located in feeding passage.Feeding rod and the pipeline for forming feeding passage are stainless steel,
Hopper is interconnected with feeding passage.
In a kind of embodiment of the utility model, feeding rod is single screw rod or twin-screw.
In a kind of embodiment of the utility model, meausring apparatus further includes base, and weighting platform passes through bottom with weighing sensor
Seat connection, base fix weighing sensor.
A kind of epoxy molding plastic production equipment, including above-mentioned any one feeding machine.
The beneficial effect of the utility model embodiment is:
The utility model embodiment provides a kind of feeding machine, including sequentially connected hopper, feed device and weighing dress
Put.Hopper is used to contain material, and feed device is used to material being transported to follow-up workshop section.Due to feed device rate of feeding very
Determine whether the indices of finished product meet the requirements in big degree, therefore be provided with meausring apparatus.Meausring apparatus is weighed
Sensor can measure the quality of material reduction in feed device in the unit interval and hopper, be after feed device is transported to
The actual feeding amount of continuous workshop section.And the actual feeding amount measured is transferred in control system by being electrically connected.Control system
According to preset program by actual feeding amount compared with default feeding amount set in advance, and by adjusting feed device feed
Material speed is gradually reduced the difference of actual feeding amount and default feeding amount.Make the rate of feeding in each period more equal with this
Even, product quality is more homogeneous.And the weighing sensor of Millisecond is selected in the utility model embodiment, further reduce each
The difference of actual feeding amount in period, allows Pouring oar to control in 0.1%-0.4%, it is unstable to reduce production target
Product.
The utility model embodiment also provides a kind of epoxy molding plastic production equipment, including above-mentioned feeding machine.It can be big
The big product quality for improving epoxy molding plastic, and reduce labor strength.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structure diagram for the feeding machine that the utility model embodiment provides;
Fig. 2 is that the hopper that the utility model embodiment provides installs the structure diagram after material position inductor;
Fig. 3 is the attachment structure schematic diagram of spherical hopper and pipeline that the utility model embodiment provides;
Fig. 4 is the structure diagram for the base that the utility model embodiment provides.
Icon:100- feeding machines;110- hoppers;112- upper covers;The trapezoidal hoppers of 114-;The spherical hoppers of 116-;118- is sealed
Circle;120- material position inductors;140- feed devices;142- motors;144- feeding rods;146- feeding passages;148- pipelines;170-
Meausring apparatus;172- weighting platforms;174- weighing sensors;176- supporting rods;178- bases;180- cavitys;200- control systems.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
, it is necessary to explanation in the description of the utility model embodiment, if occur term " on ", " under ", " left side ",
The orientation or position relationship of the instruction such as " right side ", " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or
Person be the utility model product using when the orientation usually put or position relationship, be for only for ease of description the utility model and
Simplify description, rather than the device or element of instruction or hint meaning there must be specific orientation, with specific azimuth configuration
And operation, therefore it is not intended that limitation to the utility model.
If being not offered as requiring component abswolute level in addition, there is term " level ", but can be slightly tilted.
In the description of the utility model embodiment, it is also necessary to explanation, unless otherwise clearly defined and limited, if
There is term " setting ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or
It is detachably connected, or is integrally connected;Can mechanically connect or be electrically connected;It can be directly connected, can also lead to
Cross intermediary to be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can be with
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
Embodiment 1
Fig. 1 is refer to, Fig. 1 show the structure diagram of feeding machine 100.The present embodiment provides a kind of feeding machine 100, bag
Include sequentially connected hopper 110, feed device 140 and meausring apparatus 170.Meausring apparatus 170 and feed device 140 with control
System 200 processed is electrically connected, and control system 200 is used for the rate of feeding for adjusting feed device 140.
In order to meet European Union's poisonous and harmful substance administrative standard, hopper 110 can be made of stainless steel material, this implementation
In can select 304 stainless steels.304 stainless steels are a kind of materials common in stainless steel, density 7.93g/cm3, in the industry
It is called 18/8 stainless steel.800 degree of high temperature resistant, has the characteristics of processing performance is good, and toughness is high, is widely used in industry and furniture dress
Adorn industry and food medical industry.304 be a kind of stainless steel of versatility, it is widely used for making and requires good comprehensive performance
The equipment and parts of (corrosion-resistant and mouldability).In order to keep the intrinsic corrosion resistance of stainless steel, steel must contain 18% with
On chromium, more than 8% nickel content.
In the present embodiment, 110 inner wall of hopper keeps higher surface smoothness, i.e., with less surface roughness, table
Surface roughness may remain in 25~10um.Avoid material from remaining in 110 inner wall of hopper too much, cause different production batch it
Between serious batch mixing phenomenon occur.Surface roughness is smaller, and surface tension is smaller, and the probability of material attachment just greatly reduces, clearly
Reason is also more convenient.The material of different batches, its component might have difference, if the mutual batch mixing of the material of different batches, easily
Product quality is destroyed, causes product can not meet high request.Therefore, the surface smoothness that 110 inner wall of hopper keeps higher is favourable
In the management for realizing complicated formula.
Hopper 110 can also include sequentially connected upper cover 112, trapezoidal hopper 114 and spherical hopper 116, spherical material
Bucket 116 is connected with each other with feed device 140.Spherical hopper 116 in the present embodiment is to be similar to bowl structure shown in Fig. 1
Part, its left and right ends is respectively provided with certain radian.Material enters spherical hopper 116 by trapezoidal hopper 114, in trapezoidal hopper
In 114, since the gradient of its inner wall is larger, material is very fast along the inner wall decrease speed of trapezoidal hopper 114;When material is into goal
In shape hopper 116, due to its inner wall with arc, the decline of material obtains certain buffering, makes material with relatively stable
Speed is flowed out in feed device 140.Above-mentioned setting, not only enables material quickly enter in hopper 110, makes charging process
It is more smoothly, additionally it is possible to ensure that material is flow in subsequent processing i.e. feed device 140 with speed that is more gentle, stablizing, keep away
Exempt from slug caused by charging suddenly.
Certainly, to reach the effect above, only need to can also feed hopper 110 by the way of other shapes are combined
The headwall inclined degree at end is more than the headwall inclined degree of 110 discharge end of hopper.
In the other embodiment of the utility model, it can also be set on spherical hopper 116 or on trapezoidal hopper 114
Observation window (not shown).Observation window is arranged to transparent configuration, easy to observe the material surplus in hopper 110.Observation window can
To be multiple or one, if for example, regulation material surplus less than spherical hopper 116 and trapezoidal hopper 114 connection
Place, then need to add materials into hopper 110.Then observation only can be set in the bottom shown in trapezoidal 114 figure 1 above of hopper
Window, observation window can be bar shapeds, find that material surplus enters alert phase in advance easy to staff, certain to staff
Time.
Further, the junction of spherical hopper 116 and trapezoidal hopper 114 can also set sealing ring 118, avoid material
Oozed out from the junction of spherical hopper 116 and trapezoidal hopper 114, cause the loosening of both junctions, it is final to influence normal production.
Fig. 2 is refer to, Fig. 2 show hopper 110 and installs the structure diagram after material position inductor 120.In the present embodiment,
Material position inductor 120 is mounted with the outer wall of hopper 110, therefore, if it is desirable to which setting level of filler material cannot be below hopper 110
On some position, then material position inductor 120 is installed at this.Material position inductor 120 can be detected in hopper 110
Material position whether be less than material position inductor 120 installation site, if material position be less than material position inductor 120 installation site, expect
Position inductor 120 will send alarm, remind staff to add materials into hopper 110.The design can reduce work
The workload of personnel, staff need to only add coating in time, keep away without checking material surplus at any time according to alarm song
Exempt to add materials too late, cause slug phenomenon (i.e. outside material discharge apparatus).The reaction that slug is easily broken in subsequent technique is put down
Weighing apparatus, causes product quality to fluctuate.
Feed device 140 can include motor 142, feeding rod 144 and feeding passage 146.The output shaft of motor 142 with
Feeding rod 144 is connected, and feeding rod 144 is located in feeding passage 146.Feeding rod 144 and the pipeline for forming feeding passage 146
148 be stainless steel.Fig. 3 is refer to, Fig. 3 show the attachment structure schematic diagram of spherical hopper 116 and pipeline 148, spherical hopper
116 are interconnected with feeding passage 146.Motor 142 drives feeding rod 144 to be rotated, so that by the thing in feeding passage 146
Material rotation is taken out of to next workshop section.Control system 200 is electrically connected with motor 142, and can be adjusted by control system 200
The rotating speed of motor 142.
Further, in order to meet European Union's poisonous and harmful substance administrative standard, feeding rod 144 and pipeline 148 use
Stainless steel.
In the present embodiment, feeding rod 144 can select single screw rod or twin-screw, and single spiral shell is selected in the present embodiment
Bar.
Meausring apparatus 170 includes the weighting platform 172 and weighing sensor 174 being connected with each other.As shown in Figure 1, weighting platform 172
In motor 142 and the lower section of pipeline 148.Weighing sensor 174 is electrically connected with control system 200.The bottom of motor 142 and pipe
The bottom in road 148 is not in the same horizontal position, but in order to more accurately weigh the feeding amount of feeding machine 100 in the unit interval,
Need weighting platform 172 being connected with each other with motor 142 and pipeline 148 at the same time.Therefore, using branch between pipeline 148 and weighting platform 172
Strut 176 is attached, by supporting rod 176 by the mass transfer of pipeline 148 and its hopper of top 110 to weighting platform 172.
Weighing sensor 174 measures in the unit interval feeding machine 100 to next by sensing the quality on weighting platform 172
The actual feeding amount of workshop section's conveying.The actual feeding amount that weighing sensor 174 is measured is transferred to control system 200, control
System 200 is contrasted actual feeding amount and the default feeding amount in its system.If having difference between two feeding amounts, control
System 200 processed is by the rotating speed of adjust automatically motor 142, so as to adjust the rotary speed of feeding rod 144, reaches and adjusts material conveying
The purpose of speed.Finally, by the adjusting of control system 200, the difference between actual feeding amount and default feeding amount will be caused
It is gradually reduced.This arrangement reduces the work of manual adjustment, and opposite manual adjustment is more accurate.
In order to reduce the difference of the actual feeding amount of material in time adjacent segments, weighing sensor 174 can further use
The sensor of Millisecond.The working method that weighing sensor 174 cooperates with control system 200 is exemplified below:Weighing and sensing
Device 174 can be measured every the 1 millisecond or 100 milliseconds material conveying capacity to feeding machine 100, and control system 200 can be with
The actual feeding amount that feeding machine 100 is up to per hour is calculated by actual feeding gauge of its reception.It is pre- in control system 200
The default feeding amount that the technique wishes to reach per hour is first provided with, the difference between actual feeding amount and default feeding amount passes through
The rotating speed of 200 regulation motor 142 of control system is reduced.In this way, when feeding machine 100 preferably can control each
Between feeding amount between section, control the Pouring oar of each period and (refer to the reality of each period in 0.1%-0.4%
The fluctuating range of border feeding amount).Aforesaid way, solve thes problems, such as that product index is unstable in production process.
Meausring apparatus 170 can also include base 178, and weighting platform 172 is connected with weighing sensor 174 by base 178.Bottom
Seat 178 is fixed weighing sensor 174, avoids the production operation of the top of weighing sensor 174 from causing weighing sensor 174
Displacement, so as to cause the accuracy of the numerical value measured by weighing sensor 174 to reduce.Fig. 4 is refer to, Fig. 4 show base 178
Structure diagram, the cavity 180 of base 178 is used to house weighing sensor 174, prevents weighing sensor 174 from rocking.
One minimum material position value can also be set in other embodiment, in control system 200, when detecting in hopper 110
Material reaches minimum material position value, then control system 200 reminds operating personnel to add materials into hopper 110.During charging, by
The state that changes always is in quality in hopper 110, in order to ensure the conveying stability during charging, control system at this time
200 are automatically adjusted to motor 142 pattern of constant speed rotation.
The operation principle of feeding machine 100 is:
Material has been contained in hopper 110, has opened motor 142 and meausring apparatus 170.Weighing sensor 174 passes through sensing
The quality of the top of weighting platform 172, measures the actual feeding amount that feeding machine 100 is conveyed to next workshop section in the unit interval.Weigh biography
The actual feeding amount that sensor 174 is measured is transferred to control system 200, and control system 200 is by actual feeding amount and its system
Interior default feeding amount is contrasted.If there is difference between two feeding amounts, control system 200 is by adjust automatically motor 142
Rotating speed, so as to adjust the rotary speed of feeding rod 144, achieve the purpose that to adjust material conveying speed.Finally, it is by controlling
The adjusting of system 200, will cause the difference between actual feeding amount and default feeding amount to be gradually reduced.Made with this in each period
Rate of feeding is more uniform, and product quality is more homogeneous.And the weighing sensor of Millisecond is selected in the utility model embodiment
174, further reduce the difference of the actual feeding amount in each period, Pouring oar is controlled in 0.1%-0.4%,
Reduce the unstable product of production target.
The present embodiment also provides a kind of epoxy molding plastic production equipment, including above-mentioned feeding machine 100.It can be greatly improved
The product quality of epoxy molding plastic, reduces the index unstability of epoxy molding plastic product, and can reduce labor strength.
It these are only the preferred embodiment of the utility model, be not intended to limit the present invention, for this area
Technical staff for, various modifications and changes may be made to the present invention.Where within the spirit and principles of the present invention,
Any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.