Background technology
Extruding machine, as the production equipment of plastic extrusion heated board and extrusion molding packing box, is widely used in industrial production.The quality of extruding machine production product is largely subject to the impact of feeding device, the compounding effect of feeding device, quality and the enterprise's productivity effect that material proportion accuracy badly influences product.
It is continuous material-mixing machine feed that existing feeding device for plastic extruding machine adopts conveying worm, due to the inflexibility structure that conveying worm is steel, has limited the position of feed bin and continuous material-mixing machine and has arranged, and is unfavorable for the placement feed bin of convenient and efficient in factory building; And, existing feeding device for plastic extruding machine does not have the real-time detection alarming function of feed bin material capacity and continuous material-mixing machine material capacity, in process of production can not efficient detection and the mixing velocity of regulation and control material, for device security and product quality are brought hidden danger.Existing feeding device for plastic extruding machine directly adds continuous material-mixing machine by the material of conveying worm, is unfavorable for improving compounding effect, and the poor quality to product of batch mixing causes material impact.
So, in order to overcome the deficiency of existing feeding device for plastic extruding machine, need to design the feeding device for plastic extruding machine of a kind of efficiently batch mixing, convenient combination placement, to improve batch mixing precision and the batch mixing quality of material, thereby guarantee preferably quality of product, be convenient to kinds of schemes in factory building and settle feed bin, improve feed efficiency and the degree of accuracy.
Utility model content
The utility model technical issues that need to address are just to overcome the defect of prior art, a kind of feeding device for plastic extruding machine is provided, efficiently batch mixing, convenient combination are placed for it, can improve batch mixing precision and the batch mixing quality of material, guarantee preferably quality of product, be convenient to kinds of schemes in factory building and settle feed bin, improve feed efficiency and the degree of accuracy.
For addressing the above problem, the utility model adopts following technical scheme:
Feeding device for plastic extruding machine, comprise feed bin, conveying worm and continuous material-mixing machine, it is characterized in that, feeding device for plastic extruding machine is provided with mixing chamber, mixing chamber is arranged at the upper end of continuous material-mixing machine, mixing chamber first tentatively mixes material, then mass transport to continuous material-mixing machine is carried out to mixing of materials, improves mixing of materials effect; Conveying worm is flexible conveying worm, the conveying pipeline of flexible conveying worm can be bending, be convenient to feed bin and continuous material-mixing machine kinds of schemes to lay, the feeding end of flexible conveying worm is connected with the lower end of feed bin, the discharge end of flexible conveying worm is connected with the charging aperture of mixing chamber, flexible conveying worm by the mass transport in feed bin to mixing chamber; The lower end inwall of mixing chamber is provided with limit material controller, limit material controller coordinates with the horizontally disposed upper limit flitch in mixing chamber lower end and lower limit flitch, material enters continuous material-mixing machine by upper limit flitch and lower limit flitch, limit material controller lower control limit flitch move horizontally mass flow; On the inwall of feed bin, mixing chamber and continuous material-mixing machine, be respectively equipped with the sensor for detection of material capacity, sensor, for detection of the material capacity in feed bin, mixing chamber and continuous material-mixing machine, is guaranteed the safe and highly efficient operation of feeding device; Feeding device for plastic extruding machine is also provided with control cabinet.
The utility model is in order to improve the operating efficiency of limit material controller, ensure the efficient operation of feeding device, preferably technical scheme is, upper limit flitch and lower limit flitch are provided with the material through hole of formed objects, material through hole on upper limit flitch and lower limit flitch is corresponding one by one at vertical direction, upper limit flitch is fixedly installed on mixing chamber lower end, lower limit flitch side is provided with horizontal slide rail, limit material controller can regulate and control the relative position of lower limit flitch and upper limit flitch, the dislocation of the material through hole by upper limit flitch and lower limit flitch and reset and regulate material down-off, the left end of lower limit flitch is connected with limit material controller.
The utility model, in order to improve the mixing efficiency of material, improves the quality of products, and preferably technical scheme also has, and the axis of mixing chamber is provided with vertical rotating shaft, and the upper end of rotating shaft is connected with the batch mixing motor output shaft of mixing chamber upper end; The rotating shaft of mixing chamber inside is provided with horizontally disposed the first batch mixing vane group and the second batch mixing vane group, the first batch mixing vane group and the second batch mixing vane group are tentatively mixed material by rotation, and preliminary mixed material enters in continuous material-mixing machine and mixes again.
The utility model is for material capacity that can efficient detection feed bin, guarantee the normal operation of feeding device, preferably technical scheme also has, feed bin inwall is provided with the first feed sensor and the second feed sensor, the first feed sensor setting is in 1/3 At The Height of feed bin, the second feed sensor setting is in 2/3 At The Height of feed bin, when the height of materials in feed bin is lower than 1/3 when height of feed bin, the first feed sensor sends signal to control cabinet, and control cabinet sends alarm signal then.
The utility model is for the material capacity in efficient detection mixing chamber, guarantee the normal operation of feeding device, preferably technical scheme also has, mixing chamber inwall is provided with the first hybrid sensor and the second hybrid sensor, the first hybrid sensor is arranged at 1/3 At The Height of mixing chamber, the second hybrid sensor is arranged at 2/3 At The Height of mixing chamber, when the height of materials in mixing chamber is lower than 1/3 when height of mixing chamber, the first hybrid sensor sends signal to control cabinet, and control cabinet sends alarm signal then.
The utility model is for the material capacity in can efficient detection continuous material-mixing machine, guarantee the normal operation of feeding device, preferably technical scheme also has, continuous material-mixing machine inwall is provided with the first batch mixing sensor and the second batch mixing sensor, the first batch mixing sensor setting is in 1/3 At The Height of continuous material-mixing machine, the second batch mixing sensor setting is in 2/3 At The Height of continuous material-mixing machine, when the height of materials in continuous material-mixing machine is lower than 1/3 when height of continuous material-mixing machine, the first batch mixing sensor sends signal to control cabinet, and control cabinet sends alarm signal then.
The utility model, in order to improve material feed precision, improves the quality of product, and preferably technical scheme also has, and flexible conveying worm is provided with servomotor, and servomotor is connected with control cabinet by control circuit respectively with batch mixing motor.Rotating speed by regulation and control servomotor regulates the charging rate of material and the mixed proportion of each material, improves mixing of materials precision.
The utility model is in order to improve the accuracy of detection of sensor, and preferably technical scheme also has, and sensor is piezoresistive pressure sensor, and sensor is connected with control cabinet by signal line respectively.
The utility model, in order to realize the monitoring of safety in production, improves the job security of feeding device, and preferably technical scheme also has, and is provided with warning device in control cabinet, is provided with alarm lamp and loudspeaker in warning device; Control cabinet is provided with the display screen for showing feeding device for plastic extruding machine job state.
The utility model is in order to meet the mixing demand of various materials, and preferably technical scheme also has, and feeding device for plastic extruding machine is provided with several feed bins, and each feed bin correspondence is provided with a flexible conveying worm, and mixing chamber upper end is provided with 8 charging apertures; The side of continuous material-mixing machine is connected with extruding machine by conveying pipeline.
The course of work of the utility model feeding device for plastic extruding machine is: in each feed bin, store different materials, by flexible conveying worm by mass transport to mixing chamber, what regulate and control material according to the different rotating speeds of servomotor adds speed and material ratio, various materials is tentatively mixed in mixing chamber, then the speed that the position adjustments material of limit material controller regulation and control lower limit flitch enters continuous material-mixing machine, continuous material-mixing machine is delivered to extruding machine after material is further efficiently mixed and carries out extrusion molding operation.
Advantage of the present utility model and beneficial effect are: the utility model feeding device for plastic extruding machine is provided with mixing chamber and continuous material-mixing machine, and efficiently mixed material has improved the mixing quality of material, has guaranteed the quality of product; The utility model feeding device for plastic extruding machine is provided with flexible conveying worm, can conveniently lay the position of feed bin and continuous material-mixing machine, is convenient to lay feeder apparatus in factory building; The utility model feeding device for plastic extruding machine is provided with sensor and control cabinet, can efficient detection feed bin, material capacity in mixing chamber and continuous material-mixing machine, guarantee the highly effective and safe operation of feeding device.
The specific embodiment
embodiment 1
As depicted in figs. 1 and 2, the utility model is feeding device for plastic extruding machine, comprises feed bin 3, flexible conveying worm 4 and continuous material-mixing machine 11, and feeding device for plastic extruding machine is provided with mixing chamber 8, and mixing chamber 8 is arranged at the upper end of continuous material-mixing machine 11; The feeding end of flexible conveying worm 4 is connected with the lower end of feed bin 3, and the discharge end of flexible conveying worm 4 is connected with the charging aperture 7 of mixing chamber 8; The lower end inwall of mixing chamber 8 is provided with limit material controller 10, and limit material controller 10 coordinates with the mixing chamber 8 horizontally disposed upper limit flitch 9 in lower end and lower limit flitch 14, and material enters continuous material-mixing machine 11 by upper limit flitch 9 and lower limit flitch 14; On the inwall of feed bin 3, mixing chamber 8 and continuous material-mixing machine 11, be respectively equipped with the sensor for detection of material capacity; Feeding device for plastic extruding machine is also provided with control cabinet 15.Upper limit flitch 9 and lower limit flitch 14 are provided with the material through hole of formed objects, material through hole on upper limit flitch 9 and lower limit flitch 14 is corresponding one by one at vertical direction, upper limit flitch 9 is fixedly installed on mixing chamber 8 lower ends, lower limit flitch 14 is provided with horizontal slide rail, and the left end of lower limit flitch 14 is connected with limit material controller 10.The axis of mixing chamber 8 is provided with vertical rotating shaft, and the upper end of rotating shaft is connected with batch mixing motor 6 output shafts of mixing chamber 8 upper ends; The rotating shaft of mixing chamber 8 inside is provided with horizontally disposed the first batch mixing vane group 12 and the second batch mixing vane group 13.
embodiment 2
On the basis of embodiment 1, the utility model is in order to improve the detection to feeding device, guarantee the highly effective and safe operation of feeding device, preferably embodiment also has, feed bin 3 inwalls are provided with the first feed sensor 1 and the second feed sensor 2, the first feed sensor 1 is arranged at 1/3 At The Height of feed bin 3, and the second feed sensor 2 is arranged at 2/3 At The Height of feed bin 3.Mixing chamber 8 inwalls are provided with the first hybrid sensor and the second hybrid sensor, and the first hybrid sensor is arranged at 1/3 At The Height of mixing chamber 8, and the second hybrid sensor is arranged at 2/3 At The Height of mixing chamber 8.Continuous material-mixing machine 11 inwalls are provided with the first batch mixing sensor 17 and the second batch mixing sensor 16, the first batch mixing sensors 17 and are arranged at 1/3 At The Height of continuous material-mixing machine 11, and the second batch mixing sensor 16 is arranged at 2/3 At The Height of continuous material-mixing machine 11.Other parts are identical with embodiment 1.
embodiment 3
On the basis of embodiment 2, the utility model, in order to improve mixing of materials quality and precision, improves the quality of products, and preferably embodiment also has, flexible conveying worm 4 is provided with servomotor 5, and servomotor 5 is connected with control cabinet 15 by control circuit respectively with batch mixing motor 6.Sensor is piezoresistive pressure sensor, and sensor is connected with control cabinet 15 by signal line respectively.In control cabinet 15, be provided with warning device, in warning device, be provided with alarm lamp and loudspeaker; Control cabinet 15 is provided with the display screen for showing feeding device for plastic extruding machine job state.Feeding device for plastic extruding machine is provided with 8 feed bins 3, and each feed bin 3 correspondences are provided with a flexible conveying worm 4, and mixing chamber 8 upper ends are provided with 8 charging apertures 7; The side of continuous material-mixing machine 11 is connected with extruding machine by conveying pipeline.Other parts are identical with embodiment 2.
Finally it should be noted that: obviously, above-described embodiment is only for the utility model example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And the apparent variation of being amplified out thus or variation are still among protection domain of the present utility model.