CN104555298A - Powder explosive weight-loss spiral feeding machine - Google Patents
Powder explosive weight-loss spiral feeding machine Download PDFInfo
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- CN104555298A CN104555298A CN201410663683.9A CN201410663683A CN104555298A CN 104555298 A CN104555298 A CN 104555298A CN 201410663683 A CN201410663683 A CN 201410663683A CN 104555298 A CN104555298 A CN 104555298A
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- China
- Prior art keywords
- screw rod
- hopper
- powder
- powder explosive
- blanking groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
- B65G33/18—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing with multiple screws in parallel arrangements, e.g. concentric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/26—Screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screw Conveyors (AREA)
Abstract
The invention discloses a powder explosive weight-loss spiral feeding machine, which solves the problem to realize safe feeding of powder explosives. The powder explosive weight-loss spiral feeding machine comprises a motor (1), a bearing box (2), a discharging groove (3), a hopper (4), a screw rod (5), a feeding groove (6), an electronic scale (7), a dustproof cover (8) and a fixing support seat (11), wherein the discharging groove (3) is provided with a discharging opening (10), the hopper (4) is provided with a feeding opening (9), the feeding groove (6) is connected between the feeding hopper (4) and the discharging groove (3), and the electronic scale (7) is arranged on the fixing support seat (11). The powder explosive weight-loss spiral feeding machine has the characteristic that materials (12) to be added are not in contact with the bearing box (2), the powder explosive weight-loss spiral feeding machine is applicable to the safe feeding of the powder explosive, and the powder explosive weight-loss spiral feeding machine is particularly applicable to the safe feeding of the powder explosives capable of easily entering bearing gaps to generate the friction danger.
Description
Technical field
The invention belongs to explosive wastewater feeding technique field, relate to a kind of powder explosive wastewater weight-loss type self-conveyor feed, be specifically related to a kind of can being applicable to and be easy to enter the explosive wastewater powder addition self-conveyor feed with inflammable and explosive feature that Bearing gaps produces friction danger.
Background technology
Weight-loss type self-conveyor feed is one of the most frequently used equipment of powder material feed, applies particularly extensive at the chemical industry often needing accurate quantification reinforced and pharmaceuticals industry.Along with the development of self-conveyor feed, extend various forms of charger, comprise simple helix charger and double helix charger, wherein double helix charger can from several liter per hour to thousands of liter per hour to the feeding quantity of powder material, and charging precision can reach 0.5%.Explosive wastewater industry is as a branch of chemical industry, and self-conveyor feed is also in the quantifying feed being progressively incorporated into powder explosive wastewater material.Due to the inflammable and explosive characteristic of explosive wastewater material, current weight-loss type self-conveyor feed is used for the non-flammable explosive material of the sector as the quantifying feed of aluminium powder.For explosive wastewater powder, consider that the rotating shaft gap that powder can enter self-conveyor feed causes friction blast, and the collision of self-conveyor feed spiral part and feed well wall or extrude and produce spark, the application of weight-loss type self-conveyor feed is subject to a definite limitation.
The retrieval of prior art document is found to, in self-conveyor feed performance boost, have multidigit researcher to improve.Chinese utility model patent CN 2883266Y discloses a kind of variable section self-conveyor feed, can improve the homogeneity of charging; Chinese invention patent CN 1986359A discloses a kind of Shaftless spiral blade double helix charger, can realize bulk, easily be wound around the effectively reinforced of material; Chinese utility model patent CN 201046859Y discloses a kind of self-conveyor feed of up big and down small hopper, effectively can avoid the fluffy material of wet feed.For consulted formal open source literature, the improvement at present for self-conveyor feed performance mainly concentrates on the reinforced kind of expansion and improves charging stability aspect; In safety in utilization, most typical innovative approach adopts shaft seal to add the double seal of sealing gland in rotating shaft part, shaft seal can organize powder particle to enter Bearing gaps by actv., and sealing gland, by forming pressure-fired, avoids superfines to the diffusion mobility of Bearing gaps.Because powder material contacts with the direct of rotating shaft part, sealing gland will inevitably with the generation of dust, and according to actual use experience, still there is in Bearing gaps the phenomenon depositing material in this mode, and be unfavorable for the timely cleaning of Bearing gaps surface deposition powder in the reinforced work of accumulating over a long period.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of self-conveyor feed that can be applied to powder explosive wastewater safety and feed in raw material.
A kind of powder explosive wastewater weight-loss type self-conveyor feed provided by the invention, is made up of motor, bear box, blanking groove, hopper, screw rod, feed well, electronic scale, cover of dust, fixed bearing.
Described blanking groove is provided with discharging opening.
Described hopper is provided with inlet point.
Described feed well is connected between hopper and blanking groove.
Described bear box is connected between motor and screw rod.
Described motor, bear box are in the side of blanking groove, and hopper is at the opposite side of charging trough.
Described motor, bear box, blanking groove, hopper, screw rod, feed well freely-supported in aggregates is on electronic scale.
Described electronic scale is arranged on fixed bearing.
Described screw rod is co-rotating twin screw, and the spacing between screw rod spiral shell rib is greater than the mean diameter of material to be added.
Described screw rod and the material of feed well adopt the copper alloy containing zinc massfraction 30%-42% in copper matrix.
The spiral shell rib distance hopper of described screw rod and the distance of feed well wall are all greater than the mean diameter of material to be added.
Described electronics is called that circulating electron claims.
Compared with prior art, advantage of the present invention is: at utmost promote the safety that self-conveyor feed feeds in raw material in application at powder explosive wastewater weight-loss type.The realization of this advantage relies on the technology innovation of following two aspects: (1) screw rod and the feed well employing Cu alloy material of metal bump easily occur, avoid metal bump to produce spark, fundamentally prevent spark in charging technology process to cause burning and the blast of explosive wastewater material; (2) bear box and hopper are placed in blanking groove both sides, avoid bear box and contact with the direct of explosive wastewater material, fundamentally prevent screw rod antagonistic force granular material is squeezed into Bearing gaps and causes the friction of explosive wastewater powder to fire.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is a kind of powder explosive wastewater weight-loss type screw feeding owner TV structure schematic diagram of the present invention.
Fig. 2 is a kind of powder explosive wastewater weight-loss type self-conveyor feed plan structure schematic diagram of the present invention.
1, motor, 2, bear box, 3, blanking groove, 4, hopper, 5, screw rod, 6, feed well, 7, electronic scale, 8, cover of dust, 9, inlet point, 10, discharging opening, 11, fixed bearing, 12, material to be added.
Detailed description of the invention
Below in conjunction with specification drawings and specific embodiments, the present invention will be further described.
As depicted in figs. 1 and 2, a kind of powder explosive wastewater weight-loss type self-conveyor feed of the present invention, comprises motor 1, bear box 2, blanking groove 3, hopper 4, screw rod 5, feed well 6, electronic scale 7, cover of dust 8, fixed bearing 11.The transmission shaft of motor 1 is connected to bear box 2 one end by connecting key; Bear box 2 other end and blanking groove 3 one end are connected by screw; Blanking groove 3 other end is connected with feed well 6, and feed well 6 is connected with hopper 4 simultaneously; Blanking groove 3, feed well 6 and hopper 4 is that a welding or casting are overall; Screw rod 5 is connected by connecting key with the reducing gear in bear box 2; Cover of dust 8 covers the upper end open at blanking groove 3; Motor 1, bear box 2, blanking groove 3, hopper 4, screw rod 5, feed well 6, cover of dust 8 form self-conveyor feed main body; Self-conveyor feed entirety is connected on electronic scale 7 by freely-supported, and freely-supported connects to be needed to ensure that self-conveyor feed main body center of gravity drops on electronic scale 7; Self-conveyor feed main body and electronic scale 7 form weight-loss type self-conveyor feed; Weight-loss type self-conveyor feed is fixed on work top by fixed bearing 11.
Described screw rod 5 and the material of feed well 6 adopt the copper alloy containing zinc massfraction 30%-42% in copper matrix.
As shown in Figure 1, electronic scale 7 adopts circulating electron to claim, and electronic scale 7 can not stop discharging opening 10.
As shown in Figure 2, described screw rod 5 is co-rotating twin screw, and the spacing between screw rod 5 spiral shell rib is greater than the mean diameter of material 12 to be added.
As shown in Figure 2, the spiral shell rib distance hopper 4 of screw rod 5 and the distance of feed well 6 wall are all greater than the mean diameter of material 12 to be added.
Cardinal principle of the present invention is that material 12 to be added adds material bin 4 from inlet point 9, and by controlling the rotating speed of motor 1, material 12 to be added is drawn in blanking groove 3 by feed well 6 by screw rod 5, and material 12 to be added flows out from the discharging opening 10 of blanking groove 3; Electronic scale 7 realizes weight-loss metering; Cover of dust 8 prevents dust from flying in material 12 discharging process to be added.
The present invention is when explosive wastewater material feeds in raw material, due between screw rod 5 and screw rod 5 and the minor increment between hopper 4 and feed well 6 be greater than the mean diameter of material 12 to be added, material 12 to be added can not get stuck and hard friction based on the rheomorphism of powder in reinforced process; Meanwhile, screw rod 5 and feed well 6 adopt copper alloy, not only can realize the timely derivation of accumulation of static electricity, and the collision spark can also stopping hardware produces; What is more important, the mode that the present invention adopts screw rod 5 to be pulled out by material 12 to be added, the whole path of motion of material 12 to be added does not all have to contact with the direct of sound rotating part bear box 2, actv. avoids explosive wastewater powder to enter the rotating element of bear box 2, fundamentally prevents the generation rubbing and fire.
Claims (5)
1. a powder explosive wastewater weight-loss type self-conveyor feed, comprise motor (1), bear box (2), blanking groove (3), hopper (4), screw rod (5), feed well (6), electronic scale (7), cover of dust (8), fixed bearing (11), it is characterized in that, described blanking groove (3) is provided with discharging opening (10); Described hopper (4) is provided with inlet point (9); Described feed well (6) is connected between hopper (4) and blanking groove (3); Described bear box (2) connects motor (1) and screw rod (5); Described motor (1), bear box (2) in the side of blanking groove (3), hopper (4) opposite side in blanking groove (3); Described motor (1), bear box (2), blanking groove (3), hopper (4), screw rod (5), feed well (6) freely-supported in aggregates are on electronic scale (7); Described electronic scale (7) is arranged on fixed bearing (11).
2. a kind of powder explosive wastewater weight-loss type self-conveyor feed according to claim 1, it is characterized in that, described screw rod (5) is co-rotating twin screw, and the spacing between screw rod (5) spiral shell rib is greater than the mean diameter of material to be added (12).
3. a kind of powder explosive wastewater weight-loss type self-conveyor feed according to claim 1, is characterized in that, described screw rod (5) and the material of feed well (6) adopt in copper matrix containing zinc massfraction be the copper alloy of 30%-42%.
4. a kind of powder explosive wastewater weight-loss type self-conveyor feed according to claim 1, it is characterized in that, described screw rod (5) spiral shell rib distance hopper (4) and the distance of feed well (6) wall are all greater than the mean diameter of material to be added (12).
5. a kind of powder explosive wastewater weight-loss type self-conveyor feed according to claim 1, is characterized in that, described electronic scale (7) claims for circulating electron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663683.9A CN104555298B (en) | 2014-11-19 | 2014-11-19 | A kind of powder explosive wastewater weight-loss type self-conveyor feed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663683.9A CN104555298B (en) | 2014-11-19 | 2014-11-19 | A kind of powder explosive wastewater weight-loss type self-conveyor feed |
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| Publication Number | Publication Date |
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| CN104555298A true CN104555298A (en) | 2015-04-29 |
| CN104555298B CN104555298B (en) | 2018-07-31 |
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| CN201410663683.9A Active CN104555298B (en) | 2014-11-19 | 2014-11-19 | A kind of powder explosive wastewater weight-loss type self-conveyor feed |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106395269A (en) * | 2016-06-26 | 2017-02-15 | 桐乡守敬应用技术研究院有限公司 | Steel ball feeding device |
| CN107129419A (en) * | 2017-04-26 | 2017-09-05 | 广西大学 | A kind of new explosive wastewater double base screw feeder |
| CN107226324A (en) * | 2017-04-26 | 2017-10-03 | 广西大学 | A kind of new explosive wastewater screw feeder |
| CN109631499A (en) * | 2018-12-19 | 2019-04-16 | 西安近代化学研究所 | A kind of quick continuous drying technique of insensitive energetic material |
| CN111661573A (en) * | 2020-04-28 | 2020-09-15 | 安徽百特机电工程有限公司 | Floating limiting type spiral feeder |
| EP3760322A1 (en) * | 2019-07-01 | 2021-01-06 | Günther Holding GmbH & Co. KG | Dosing conveyor for conveying and dosing a mixture of solids |
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| US20020063039A1 (en) * | 2000-11-29 | 2002-05-30 | Charles Lepage | Granular material conveyor |
| CN2528742Y (en) * | 2002-03-12 | 2003-01-01 | 新疆维吾尔自治区煤矿化工厂 | Special dosage control device for continuous mixing of swelling nitro-amino compound explosive |
| EP1544138A1 (en) * | 2003-12-19 | 2005-06-22 | Thermo Ramsey Italia S.r.l. | Loss-in-weight feeder for powders and dry goods |
| JP2009227431A (en) * | 2008-03-25 | 2009-10-08 | Nikko Co Ltd | Transfer device for granular solid |
| CN201343293Y (en) * | 2009-02-06 | 2009-11-11 | 四川省隆昌海燕橡胶有限公司 | Screw conveying cooler for devulcanized rubber powder |
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| US20020063039A1 (en) * | 2000-11-29 | 2002-05-30 | Charles Lepage | Granular material conveyor |
| CN2528742Y (en) * | 2002-03-12 | 2003-01-01 | 新疆维吾尔自治区煤矿化工厂 | Special dosage control device for continuous mixing of swelling nitro-amino compound explosive |
| EP1544138A1 (en) * | 2003-12-19 | 2005-06-22 | Thermo Ramsey Italia S.r.l. | Loss-in-weight feeder for powders and dry goods |
| JP2009227431A (en) * | 2008-03-25 | 2009-10-08 | Nikko Co Ltd | Transfer device for granular solid |
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Non-Patent Citations (1)
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| 阿格拉沃尔: "《高能材料--火药、炸药和烟火药》", 1 April 2013 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106395269A (en) * | 2016-06-26 | 2017-02-15 | 桐乡守敬应用技术研究院有限公司 | Steel ball feeding device |
| CN107129419A (en) * | 2017-04-26 | 2017-09-05 | 广西大学 | A kind of new explosive wastewater double base screw feeder |
| CN107226324A (en) * | 2017-04-26 | 2017-10-03 | 广西大学 | A kind of new explosive wastewater screw feeder |
| CN109631499A (en) * | 2018-12-19 | 2019-04-16 | 西安近代化学研究所 | A kind of quick continuous drying technique of insensitive energetic material |
| EP3760322A1 (en) * | 2019-07-01 | 2021-01-06 | Günther Holding GmbH & Co. KG | Dosing conveyor for conveying and dosing a mixture of solids |
| CN111661573A (en) * | 2020-04-28 | 2020-09-15 | 安徽百特机电工程有限公司 | Floating limiting type spiral feeder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104555298B (en) | 2018-07-31 |
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