CN103010686A - Material discharging device of spiral quantitative charging machine - Google Patents
Material discharging device of spiral quantitative charging machine Download PDFInfo
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- CN103010686A CN103010686A CN2012105521114A CN201210552111A CN103010686A CN 103010686 A CN103010686 A CN 103010686A CN 2012105521114 A CN2012105521114 A CN 2012105521114A CN 201210552111 A CN201210552111 A CN 201210552111A CN 103010686 A CN103010686 A CN 103010686A
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Abstract
The invention relates to a material discharging device of a spiral quantitative charging machine. The material discharging device comprises a horizontal type spiral conveyor and a rotary movement suppressing device, wherein the horizontal type spiral conveyor consists of a conveying pipe and a spiral shaft, the conveying pipe is divided into a first conveying pipe and a second conveying pipe, the spiral shaft is fixedly arranged in the conveying pipe through a first bearing and a second bearing, the shaft section part of the spiral shaft in the first conveying pipe is provided with a spiral blade, the upper part of the first conveying pipe is provided with a feeding opening, the lower part of the second conveying pipe is provided with a material discharging opening, the rotary movement suppressing device comprises an inner ring and an outer ring, long baffle plates are axially and uniformly arranged between the inner ring and the outer ring in the circumferential direction, the long baffle plates are respectively and fixedly connected with the inner ring and the outer ring, and the rotary movement suppressing device is positioned in a position in the middle of the first conveying pipe and the second conveying pipe, is hollowly sheathed on the spiral shaft and is respectively and fixedly connected with the first conveying pipe and the second conveying pipe through the outer ring. The material discharging device has the advantages that powder and particle materials can be stably translated and conveyed at the material discharging opening of a spiral feeder, and the defect of disordered movement state of the powder and particle materials is greatly overcome.
Description
Technical field
The present invention relates to a kind of drawing mechanism of spiral quantitative charger, be applicable to the stable discharging of powder grain material screw feeding, belong to powder grain material quantitative technique field.
Background technology
Powder grain material, rotates on the one hand along with bolt rotary by in the helical feed; Along with the movement of helicallobe, do motion of translation on the other hand.Because the characteristics such as screw conveying structure is simple, reliable operation, cheap, and environmental pollution is little are used widely in industrial or agricultural is quantitatively produced.But the degree difference because powder grain material rotatablely moves, mass transport stability is also different with rapidity, is difficult to effective control so that spiral quantitative feeds in raw material.
Both at home and abroad to the reinforced research of spiral quantitative, mainly be the stability that improves conveying by the screw feeder structure innovation at present.Propose in the light industry and machinery magazine such as Zhu Dengjie in 2010, adopt large and small two screw feeders, realize quantifying feed by the on off control to large and small screw feeder.The contriver proposed in patent " a kind of spiral quantitative feeding device reaches and stablizes charging process (application number 201010522365.2) " in 2010, install additional at the delivery pipe inlet point and to stablize the charging self-checking device, thereby the stable and uniform that realizes particle enters conveyor screw to improve quantitative performance.The contriver proposed in patent " the discontinuous quantifying feed method and system (application number 201110402790.2) based on the intelligent Agent spiral " in 2011 in addition, screw feeder and TT﹠C system thereof are regarded as the Agent intelligent body, by humidity temperature pickup perception ambient condition, by corner tachogen sensing device mode of operation, act on the screw feeder mode of operation by actr, realize the intelligent Agent control to the discontinuous feeding quantity of spiral.In a word, at present to the research of conveyor screw output section not.
The research of conveyor screw output section is found, its material stock space was different when helicallobe forwarded different positions to, the situation that has caused the free landing of material is also different, material sometimes is squeezed and is bonded to piece simultaneously, therefore produce reinforced difference, finally caused unstable, the inhomogeneous phenomenon of reinforced flow.The contriver directs study to give birth to and build in the master thesis " powder dosing unit and applied research " of Jiangsu University in 2008 for this reason, researchs and proposes: install the stable conveying that distributing device and cutoff device are realized powder grain material additional to conveyor screw.But still have the following disadvantages: 1, because the distributing device outside diameter of inner ring will be higher than the inner screw diameter, thereby when entering distributing device, powder grain material forms step upwards, easily cause material to stop up herein; 2, because helix termination end and distributing device spacing on the screw shaft axial direction are large, powder grain material moves downward under Action of Gravity Field after leaving spiral, can not guarantee that material evenly enters each minute material space of distributing device; 3, cutoff device is captiveed joint with inner screw, and its rotating speed is consistent with the inner screw rotative speed, when inner screw speed is higher, easily causes the fierceness collision of cutoff device metal wool and powder grain material, and fierce collision easily makes distributing device damage so on the one hand; Collide on the other hand the sense of motion of malleable powder grain material, causing material to splash everywhere can not uniform and stable blanking, fix owing to the cutoff device rotating speed simultaneously, can not be according to the speed of how much and automatically regulating the cutting material of discharge quantity, even blanking effect is undesirable; 4, inner screw adopts monolateral support at the motor installation end, if this support fed distance is slightly long, is easy to cause collision and friction between helicallobe and delivery pipe, distributing device and delivery pipe, inner screw and the distributing device inwall; 5, distributing device institute enfeoffment material space is too intensive, has affected the flowing power of material, causes easily the obstruction of material, particularly for easy bonding, non-dry powder grain material, easier obstruction.
Summary of the invention
The present invention is directed to present powder grain material screw feeder discharging undertreatment, a kind of drawing mechanism of spiral quantitative charger is provided, powder grain material can be carried at screw feeder discharging opening stably translational, greatly improve the unordered random motion state of powder grain material.
Technical solutions according to the invention are: a kind of drawing mechanism of spiral quantitative charger, comprise the horizontal auger loader and the restraining device that rotatablely moves, described horizontal auger loader mainly is comprised of delivery pipe and screw shaft, described delivery pipe is divided into delivery pipe I and delivery pipe II two parts, described screw shaft pass through the bearing I and the bearing II is fixedly mounted in the described delivery pipe, the shaft part of described screw shaft in described delivery pipe I partly is provided with helicallobe, described delivery pipe I top has inlet point, and described delivery pipe II bottom has discharging opening; The described restraining device that rotatablely moves comprises interior ring and outer shroud, along the circumferential direction axially be evenly arranged some long baffle plates between described interior ring and the described outer shroud, described long baffle plate is captiveed joint with described outer shroud with described interior ring respectively, the described restraining device that rotatablely moves is positioned in the middle of described delivery pipe I and the described delivery pipe II, the described restraining device empty set that rotatablely moves is on described screw shaft, and the described restraining device that rotatablely moves is captiveed joint with described delivery pipe II with described delivery pipe I respectively by described outer shroud.
Further, described long baffle plate is welded to connect with described interior ring and outer shroud respectively, and described outer shroud is in described long damper shaft to center position.
Further, the described restraining device that rotatablely moves is connected with described delivery pipe II bolt with described delivery pipe I respectively by described outer shroud.
Further, described delivery pipe lower end is fixed on the horizontal operation face by support II and support I.
Further, the internal diameter in the same size of the external diameter of described interior ring and described screw shaft 3.
Further, directly over described discharging opening, be provided with even blanking treatment device, described even blanking treatment device comprises ring and blank blade in the sleeve, described blank blade is the thinly-sliced material blade with radian, described blank blade evenly distributes along the circumferencial direction that encircles in the described sleeve, be provided with bearing in the ring in the described sleeve, described even blanking treatment device is realized freely rotating around described screw shaft by described bearing.
Further, the distance between the external diameter of described blank blade and the inwall of described delivery pipe is 1mm, interferes avoiding
Further, one end of described screw shaft is connected with stepping motor by axle sleeve, the other end links to each other with rotary angle transmitter by coupler, described stepping motor is electrically connected with single chip microcomputer respectively with described rotary angle transmitter, and described single chip microcomputer is realized control to described stepping motor by the electric signal of collecting rotary angle transmitter.
The drawing mechanism of a kind of spiral quantitative charger of the present invention reaches stablizes discharging method, compare with general spiral quantitative charger, on the one hand by the setting restraining device that rotatablely moves, reduced rotatablely moving on the impact of reinforced stability of material in the course of conveying, on the other hand, by even blanking treatment device is set, reduced the impact of material caking on reinforced stability, guaranteed that the material stable and uniform falls, be conducive to spiral quantitative charger stable operation, it can be widely used in agricultural, industry, the quantitative ingredient of the loose unpacked material of chemical industry and food-processing industry and quantitative package production.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is the scheme drawing of spiral quantitative charger.
Fig. 2 is the material restraining device physical construction scheme drawing that rotatablely moves.
Fig. 3 is the even blanking treatment device physical construction of material scheme drawing.
Among the figure, 1 stepping motor, 2 axle sleeves, 3 screw shafts, 4 end caps, 5 bearing I, 6 feed bins, 7 inlet points, 8 delivery pipe I, 9 rotatablely move ring in the restraining device, 10 even blanking treatment devices, 11 delivery pipe II, 12 sleeves, 13 end caps, 14 end caps, 15 snap rings, 16 bearing II, 17 bearings, 18 discharging openings, 19 support I, 20 support II, 21 coupler, 22 rotary angle transmitters, 23 single chip microcomputers, 91 outer shrouds, 92 long baffle plates, 93 interior rings, 101 sleeves, 102 blank blades.
The specific embodiment
As shown in Figure 1, a kind of drawing mechanism of spiral quantitative charger, comprise the horizontal auger loader and the restraining device 9 that rotatablely moves, the horizontal auger loader is mainly by blade-carrying screw shaft 3, delivery pipe and inlet point 7 form, delivery pipe is divided into delivery pipe I 8 and delivery pipe II 11 two parts, blade-carrying screw shaft 3 centerings are installed in the delivery pipe, delivery pipe I 8 tops have a circular inlet point 7, inlet point 7 links to each other with feed bin 6, delivery pipe II 11 bottoms have a rectangle discharging opening 18,, adopt bearing I 5 at the delivery pipe two ends, bearing II 16 cooperates with support helix axle 3; Bearing I 5, bearing II 16 are respectively by left end cap 4 and right end cap 13 supporting and locations; Stretch out from left end cap 4, right end cap 13 respectively at screw shaft 3 two ends, screw shaft 3 left side sponsons are connected with stepping motor 1 by axle sleeve 2, screw shaft 3 the right are equipped with the restraining device 9 that rotatablely moves successively, evenly blanking treatment device 10 stretches out at last right end cap 13 parts and links to each other with rotary angle transmitter 22 by coupler 21.
It is middle with delivery pipe II 11 that the restraining device 9 that rotatablely moves is installed in delivery pipe I 8, and by bolt that the three is fixing together; The delivery pipe lower end is fixed on the horizontal operation face by support II 20 and support I 19, and evenly blanking treatment device 10 is installed in above the screw shaft 3 by pair of bearings 17, and by sleeve 12, snap ring 15 and end cap 14 axial restraints.Stepping motor 1, rotary angle transmitter 22 link to each other with single chip microcomputer 23 by electric wire.
As shown in Figure 2, be the restraining device 9 physical construction scheme drawings that rotatablely move, it mainly contains interior ring 93, baffle plate 92 and outer shroud 91 and forms.Along the circumferential direction be uniform-distribution with 6 axial arranged thin baffle plates 92 on the interior ring 93, interior ring 93 and baffle plate 92 are by being welded to connect.Outer shroud 91 is in long baffle plate 92 axial center positions, and long baffle plate 92 and outer shroud 91 are uniform-distribution with six bolts hole also by being welded to connect on the outer shroud.Its relation of installing is: the restraining device 9 that rotatablely moves is bolted by the bolt hole on the outer shroud 91 and connects as one with delivery pipe delivery pipe I 8, delivery pipe II 11, forms the delivery pipe of selecting movement suppression device with material; Inner by interior ring 93 empty sets on screw shaft 3, mutually noninterfere.
The restraining device principle of work that rotatablely moves is: during self-conveyor feed work, owing to rotatablely move the restraining device empty set on screw shaft, and captive joint with the delivery pipe II with the delivery pipe I, so do not interfere each other phenomenon; When the promotion of material by helicallobe arrives when rotatablely moving restraining device, at first because rotation restraining device left side and helix termination end face close proximity, and outside diameter of inner ring and screw shaft internal diameter in the same size can guarantee that material makes material steadily evenly enter tripper at the directional tagging of 6 long baffle plates of well-distributed; The material that then rotatablely moves runs into the effect that maintains static long baffle plate and rotatablely moves and weaken gradually and disappear, and only a remaining stably translational along axis direction moves; When the screw feeder break-off, because material is evenly distributed on the long baffle plate of the restraining device that rotatablely moves, the Action of Gravity Field that material bottom being in is subject to its top material reduces greatly, the unordered situation of rotatablely moving owing to material is eliminated simultaneously, material reduces greatly in inertia blanking and the free landing phenomenon at discharging opening place, has improved the stability of discharging.
As shown in Figure 3, be even blanking treatment device 10 physical construction scheme drawings, it mainly contains ring 101 and blank blade 102 compositions in the sleeve.Along the circumferential direction be uniform-distribution with the thinly-sliced material blade 102 of 6 certain radian in the sleeve on the ring 101, ring 101 and blank blade 102 are by being welded to connect in the sleeve.Its relation of installing is: evenly blanking treatment device 10 is in screw motion restraining device 9 the right, position directly over the discharging opening; Be installed in above the screw shaft 3 by pair of bearings 17.By locating the shaft shoulder, sleeve 12 and snap ring 15 axial location on the screw shaft 3, bearing 17 outer rings are respectively by interior ring 101 positioning steps and end cap 14 axial location respectively for bearing 17 inner rings; Also guaranteed the effective location of even blanking treatment device 10 in the time of bearing 17 location.The gap of 1mm is arranged between blank blade 102 external diameters and delivery pipe inwall, avoid interfering.
Evenly the blanking treatment device principle of work is: by the material behind the restraining device that rotatablely moves, impinge upon in the even blanking treatment device on the well-distributed blade with certain speed; Because blade can rotate freely, under the effect of material impacting power, drive even blanking treatment device and rotate around screw shaft, when feeding quantity was larger, its application force for blade was also larger, and blade rotary accelerates to have guaranteed the faster whereabouts of material; Same blade rotary speed is slowed down when thing is fewer, and slow down the whereabouts; Owing to the antagonistic force of blade for powder grain material, the sense of motion of regulating on the one hand material is consistent, and material is evenly flowed out from discharging opening, and the material loosening of caking is come simultaneously, has guaranteed that discharging is stable.
The specific implementation process of the stable discharging method of spiral quantitative charger is: during screw feeder work, single chip microcomputer 23 control screw shafts 3 are with certain rotating speed rotation.Material 7 enters the delivery pipe 8 from feed bin 6 along inlet point, again through the effect of screw shaft 3 blades along delivery pipe 8 to discharging opening 18 directions move.After material arrives the restraining device 9 that rotatablely moves, material evenly enters 6 equal refining envelope spaces that long baffle plate forms in the restraining device 9 that rotatablely moves, by the material that the restraining device 9 that rotatablely moves is processed, only remaining stable motion of translation continues motion to discharging opening 18.When material arrives discharging opening 18 top, the blade on the material impacting on the even blanking treatment device 10, and drive blade rotary, the material stable and uniform is fallen.Guaranteed the stability of the reinforced flow of device.When rotary angle transmitter 22 detects angle that screw shaft turns over and satisfies condition, signal is passed to single chip microcomputer 23, again control step motor 1 break-off of single chip microcomputer 23.According to the different processing speeds of automatically regulating falling material of feeding quantity, the quantifying feed performance is improved in the even whereabouts of realizing material simultaneously.When the screw feeder break-off, because the effect of restraining device 9 of rotatablely moving makes material greatly reduce in inertia blanking and the free landing phenomenon at discharging opening place, further improved feeding device reinforced stability.
The advantage of the drawing mechanism of a kind of spiral quantitative charger of the present invention is as follows.
1, material enters delivery pipe along inlet point by Action of Gravity Field from feed bin, under the effect of helicallobe, when material arrival rotatablely moves restraining device, the material of rotation is subject to axial well-distributed fixed length baffle effect on the distributing device, the degree that rotatablely moves reduces gradually and eliminates, and only the motion of translation of remaining steady ordered continues to move to discharging opening.In order to have guaranteed uniform and stable rotatablely move restraining device and the non-blockage phenomenon of entering of material particles, so with material rotatablely move restraining device outside diameter of inner ring and screw shaft internal diameter in the same size, rotatablely move restraining device left side and helix termination end spacing of material is little simultaneously.The consistent diameter of axle is so that powder grain material front and back conveying space in the same size in course of conveying has guaranteed that material can be because stopping up appears in diminishing suddenly of conveying space, and conveying is stable; With time interval little so that be in move downward under the powder grain material gravitate on delivery pipe top before, just directly smoothly enter screw motion restraining device top material envelope, avoided " fighting for " situation that enters bottom material envelope with the bottom material, make powder grain material evenly enter each material envelope space of screw motion restraining device, avoided the generation of latch up phenomenon.
2, when the self-conveyor feed break-off, the thin baffle plate that rotatablely moves in the restraining device can support the material that is in the discharging opening edge, greatly reduces material because of the application force of gravity to its peripheral material particles, thereby has reduced free landing and the inertia blanking situation of material.
3, by the material behind the restraining device that rotatablely moves, impinge upon in the even blanking treatment device on the well-distributed blade with certain speed.Because blade can rotate freely, driving cutoff device under the effect of material impacting power rotates around screw shaft, it is consistent that the blade of rotation is regulated the powder grain material sense of motion on the one hand, material is evenly flowed out from discharging opening, the material loosening of caking is come, guaranteed the stability of self-conveyor feed discharging.
Claims (8)
1. the drawing mechanism of a spiral quantitative charger, it is characterized in that: comprise the horizontal auger loader and the restraining device (9) that rotatablely moves, described horizontal auger loader mainly is comprised of delivery pipe and screw shaft (3), described delivery pipe is divided into delivery pipe I (8) and delivery pipe II (11) two parts, described screw shaft (3) pass through bearing I (5) and bearing II (16) is fixedly mounted in the described delivery pipe, the shaft part of described screw shaft (3) in described delivery pipe I (8) partly is provided with helicallobe, described delivery pipe I (8) top has inlet point (7), and described delivery pipe II (11) bottom has discharging opening (18); The described restraining device that rotatablely moves (9) comprises interior ring (93) and outer shroud (91), along the circumferential direction axially be evenly arranged some long baffle plates (92) between described interior ring (93) and the described outer shroud (91), described long baffle plate (92) is captiveed joint with described outer shroud (91) with described interior ring (93) respectively, it is middle with described delivery pipe II (11) that the described restraining device that rotatablely moves (9) is positioned at described delivery pipe I (8), the described restraining device that rotatablely moves (9) empty set is on described screw shaft (3), and the described restraining device that rotatablely moves (9) is captiveed joint with described delivery pipe II (11) with described delivery pipe I (8) respectively by described outer shroud (91).
2. the drawing mechanism of a kind of spiral quantitative charger according to claim 1, it is characterized in that: described long baffle plate (92) is welded to connect with described interior ring (93) and outer shroud (91) respectively, and described outer shroud (91) is in axially center position of described long baffle plate (92).
3. the drawing mechanism of a kind of spiral quantitative charger according to claim 1, it is characterized in that: the described restraining device that rotatablely moves (9) is connected with described delivery pipe II (11) bolt with described delivery pipe I (8) respectively by described outer shroud (91).
4. the drawing mechanism of a kind of spiral quantitative charger according to claim 1, it is characterized in that: described delivery pipe lower end is fixed on the horizontal operation face by support II (20) and support I (19).
5. the drawing mechanism of a kind of spiral quantitative charger according to claim 1 is characterized in that: the internal diameter in the same size of the external diameter of described interior ring (93) and described screw shaft (3).
6. the drawing mechanism of a kind of spiral quantitative charger according to claim 1, it is characterized in that: directly over described discharging opening (18), be provided with even blanking treatment device (10), described even blanking treatment device (10) comprises ring (101) and blank blade (102) in the sleeve, described blank blade (102) is the thinly-sliced material blade with radian, described blank blade (102) evenly distributes along the circumferencial direction of ring (101) in the described sleeve, be provided with bearing (17) in the ring (101) in the described sleeve, described even blanking treatment device (10) is whole to be realized freely rotating around described screw shaft (3) by described bearing (17).
7. the drawing mechanism of a kind of spiral quantitative charger according to claim 6, it is characterized in that: the distance between the inwall of the external diameter of described blank blade (102) and described delivery pipe (3) is 1mm.
8. according to claim 1 or the drawing mechanism of 6 described a kind of spiral quantitative chargers, it is characterized in that: an end of described screw shaft 3 is connected with stepping motor 1 by axle sleeve 2, the other end links to each other with rotary angle transmitter 22 by coupler 21, described stepping motor 1 is electrically connected with single chip microcomputer 23 respectively with described rotary angle transmitter 22, and described single chip microcomputer 23 is realized control to described stepping motor 1 by the electric signal of collecting rotary angle transmitter 22.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210552111.4A CN103010686B (en) | 2012-12-19 | 2012-12-19 | Material discharging device of spiral quantitative charging machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210552111.4A CN103010686B (en) | 2012-12-19 | 2012-12-19 | Material discharging device of spiral quantitative charging machine |
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| CN103010686A true CN103010686A (en) | 2013-04-03 |
| CN103010686B CN103010686B (en) | 2015-06-10 |
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| CN201210552111.4A Expired - Fee Related CN103010686B (en) | 2012-12-19 | 2012-12-19 | Material discharging device of spiral quantitative charging machine |
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Cited By (11)
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|---|---|---|---|---|
| CN104437876A (en) * | 2014-11-26 | 2015-03-25 | 中国矿业大学 | Airlock discharge device for dedustor |
| WO2016019608A1 (en) * | 2014-08-05 | 2016-02-11 | 深圳市杰曼科技有限公司 | Spiral feeding device |
| CN105346951A (en) * | 2015-11-13 | 2016-02-24 | 无锡市麦杰机械工程有限公司 | Packing auger impeller material conveying mechanism |
| CN105712041A (en) * | 2016-04-21 | 2016-06-29 | 苏州经贸职业技术学院 | Stepping screw feeding mechanism |
| KR20160080698A (en) * | 2014-12-30 | 2016-07-08 | (주)우주엔비텍 | Screw conveyor for waste |
| CN107047354A (en) * | 2017-05-18 | 2017-08-18 | 武汉中畜智联科技有限公司 | One kind pig feeding device and its control method |
| CN110559946A (en) * | 2019-09-05 | 2019-12-13 | 宁波润爵科技有限公司 | Feeding device for mixing two liquids in batches |
| CN112025566A (en) * | 2020-08-10 | 2020-12-04 | 黄素霞 | Quantitative resin adding equipment for manufacturing resin cutting blade |
| CN112978252A (en) * | 2021-02-05 | 2021-06-18 | 新沂市新南环保产业技术研究院有限公司 | Intelligent discharging equipment for solid waste particles |
| CN113753603A (en) * | 2021-09-24 | 2021-12-07 | 张险峰 | Discharging screw flow equalizing device of precision blanking machine |
| CN115092610A (en) * | 2022-06-28 | 2022-09-23 | 河南黎明重工科技股份有限公司 | Powder continuous blanking valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016019608A1 (en) * | 2014-08-05 | 2016-02-11 | 深圳市杰曼科技有限公司 | Spiral feeding device |
| CN104437876A (en) * | 2014-11-26 | 2015-03-25 | 中国矿业大学 | Airlock discharge device for dedustor |
| KR20160080698A (en) * | 2014-12-30 | 2016-07-08 | (주)우주엔비텍 | Screw conveyor for waste |
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| CN105346951A (en) * | 2015-11-13 | 2016-02-24 | 无锡市麦杰机械工程有限公司 | Packing auger impeller material conveying mechanism |
| CN105712041A (en) * | 2016-04-21 | 2016-06-29 | 苏州经贸职业技术学院 | Stepping screw feeding mechanism |
| CN107047354A (en) * | 2017-05-18 | 2017-08-18 | 武汉中畜智联科技有限公司 | One kind pig feeding device and its control method |
| CN110559946A (en) * | 2019-09-05 | 2019-12-13 | 宁波润爵科技有限公司 | Feeding device for mixing two liquids in batches |
| CN112025566A (en) * | 2020-08-10 | 2020-12-04 | 黄素霞 | Quantitative resin adding equipment for manufacturing resin cutting blade |
| CN112025566B (en) * | 2020-08-10 | 2022-09-23 | 山东省纳聚磨料磨具有限公司 | Quantitative resin adding equipment for manufacturing resin cutting blade |
| CN112978252A (en) * | 2021-02-05 | 2021-06-18 | 新沂市新南环保产业技术研究院有限公司 | Intelligent discharging equipment for solid waste particles |
| CN113753603A (en) * | 2021-09-24 | 2021-12-07 | 张险峰 | Discharging screw flow equalizing device of precision blanking machine |
| CN115092610A (en) * | 2022-06-28 | 2022-09-23 | 河南黎明重工科技股份有限公司 | Powder continuous blanking valve |
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