CN203128455U - Saltpeter mixing and lead preparation integrated machine - Google Patents

Abstract

The utility model provides a saltpeter mixing and lead preparation integrated machine which mainly comprises a rack, a saltpeter adding device, a winding machine and a motor, wherein the saltpeter adding device comprises two drug hoppers for adding an oxidizing agent and a reducing agent as well as a saltpeter mixing hopper connected with an outlet of each drug hopper; the saltpeter mixing hopper is of a three-layer screening structure; a rotary blade is arranged on each screening surface; three rotary blades are driven by the motor to rotate; and an outlet of a saltpeter cup is aligned with lead paper. The saltpeter mixing lead preparation integrated machine provided by the utility model realizes integration of saltpeter mixing and lead preparation. By adopting the technological design of intermediate saltpeter mixing, the storage and transfer processes of a great quantity of mixed drug powder in the prior art are avoided, accidents can be effectively prevented, the public safety and personal and property safety are guaranteed, and the labor production efficiency is improved.

Description

All-in-one is drawn in a kind of mixed taw

Technical field

The utility model relates to a kind of fireworks and firecracker of producing and draws all-in-one and technology is drawn in mixed taw with the mixed taw of lead-in wire.

Background technology

Lead-in wire is the important component part of firecrackers product, and the production of lead-in wire also is the important step in the whole firecrackers industrial chain, because the inflammableness of lead-in wire also is the most dangerous link in the firecrackers production.In traditional technology, the production of lead-in wire mainly is the manual making of workman, but because efficiency is low, and potential safety hazard is big, the product quality instability, manual making slowly is eliminated, even has forbidden manual making in a lot of places.All be mechanical making in the industrial production at present, being used for going between, also kind is numerous for the various mechanical means of producing.This class making equipment mainly is divided into following several types: 1. high-end intelligent making machine, it is the full-automatic lead production unit of computer control or microelectronics control, the research of full-automatic twisting frame controller " firecrackers go between " that the research of this respect comprises that Du Wei of Changsha Polytechnics in 2010 etc. delivers, related application comprises CN201694971U.Intelligent making facility have the level of automation height, safe characteristics, but the intelligent equipment investment is big, the cost of equipment maintenance height is lower for the suitability of the medium and small sized enterprises of financing difficulty.2. electronic mechanical making machine, it has higher production efficiency and acceptable cost price, becomes the main product in the existing market.Because lead-in wire is produced and mainly to be comprised and add nitre and gluing two big steps, correspondence has formed and has added nitre and draw machine two big kind equipments with making machine and gluing with starching.Certainly at present also exist and comprehensively add nitre and coating technique in the making machine of one, CN102679821A (a kind of fireworks and firecrackers is rolled into the type wiring machine) for example, and in practice this all-in-one because operation is more and be unfavorable for the production of firecrackers lead-in wires, because the paper injection raw material of firecrackers lead-in wire is cotton paper, the gentle valency of its matter is low, but the mulberry paper that intensity is used far below fireworks leads, if add nitre and coating technique with what tissue material was carried out continuously, then easily cause the cotton paper fracture, it is higher to make that lead-in wire product broken splits, and making machine and slurry draw machine more so adopt independently in the present lead-in wire production.The making machine is mainly finished and is added nitre technology and make work in-process, adds the Oxidizing and Reducing Agents shop that nitre is about to mix and is sprinkled upon on the paper injection; And slurry draws machine and is responsible for the work in-process gluing, is finished product after the lead-in wire drying after the gluing.

Making machine used in the existing market generally comprises frame, add the nitre device, around drawing major partss such as machine, wherein adding the nitre device is the parts of implementing to add nitre, the existing nitre device that adds is funnel type more, drops into the oxygenant (as: potassium perchlorate) mix and reductive agent (as charcoal etc.) from entrance, and the medicinal powder that will mix through outlet is spread and is sprinkled upon on the cotton paper again, surplus medicine bleeds and reclaims in the bucket, and the large quantities of surplus medicine that will reclaim again in the bucket is transferred to the nitre cup.And the lead-in wire medicinal powder that the Oxidizing and Reducing Agents mixing forms is explosive substance, and operational administrative is improper then may to cause security incident.So very strict for the operational requirement of lead-in wire medicinal powder at present, mainly be to operate dose by limiting, limit the operation number, limit the generation that safe distance etc. measure reduces security incident, or reduce the loss of security incident.In production practice, normally earlier at mixed nitre (being that reductive agent and oxygenant mix) the single disposable required medicinal powder that mixes of operation room, again the medicinal powder branch is filled to safe dose, be transported to each nitre storehouse (the medicinal powder amount of storage is not more than 500kg), be filled to more in a small amount from nitre storehouse branch again, be transported to (the medicinal powder amount of storage is not more than 120kg) between nitre, and then branch is filled to more in a small amount, be transported to nitre hole (the medicinal powder amount of storage is not more than 40kg), packing more at last is transported to each lead-in wire production plant.Wherein mix the nitre operation room, the nitre storehouse, between nitre, nitre hole, lead-in wire production plant all are that safe class is the dangerous production area of A level (namely high-risk grade), must keep enough safe distances each other, and the single transhipment amount of medicinal powder generally is not higher than 40kg, so need repeatedly transhipment on a small quantity, such mode of production relatively wastes time and energy, and is unfavorable for enhancing productivity; The number of times that dangerous medicinal powder is transported in packing simultaneously is more many, and the probability that security incident occurs is also higher; Need also plant designing and factory floor space are had higher requirement a plurality of breaks of depositing mixed powder.Angle from safety in production, what can cause security incident is that reductive agent and oxygenant mix the medicinal powder that forms, it very easily burns and can be explosion caused, thereby the security incident of causing, and the reductive agent of depositing separately and oxygenant, its danger generally can not cause security incident far below the medicinal powder that mixes.This shows that the operation that in advance the Oxidizing and Reducing Agents unification is mixed afterwards the transhipment of packing again during lead-in wire is produced is unfavorable for enhancing productivity, and is unfavorable for safety in production, is unfavorable for saving factory's area.Therefore it is higher how to design a kind of production efficiency, and security is better, and effectively utilize the lead-in wire production technique of factory's area and produce machine accordingly, be present manufacturing enterprise problem demanding prompt solution.

Summary of the invention

For addressing the above problem, it is a kind of simple in structure, safe and reliable that the utility model provides, and the mixed taw that production efficiency is high is drawn all-in-one and the preparation technology that goes between accordingly.

The utility model is achieved by following technical solution:

All-in-one is drawn in a kind of mixed taw described in the utility model, its structure mainly comprises frame, add the nitre device, around drawing machine and motor, wherein add the nitre device and comprise two drug buckets that are respectively applied to add Oxidizing and Reducing Agents, the mixed saltpetre bucket that links to each other with the drug bucket outlet, and the nitre cup that links to each other with mixed saltpetre bucket outlet, described mixed saltpetre bucket has three layers of sieve structure, and every layer of compass screen surface all is furnished with a rotating paddle, three rotating paddles are rotated by driven by motor, and paper injection is aimed in the outlet of nitre cup.

Above-mentionedly add the nitre device that adds that nitre device and existing making machine be equipped with and on function and structure, all have obvious difference, existingly add the nitre cup that the nitre device is glass type or bucket type, the direct medicinal powder that mixed of adding in the nitre cup, and by the nitre cup medicinal powder branch is sprinkling upon on the paper injection.And the nitre device that adds of the present utility model not only has the nitre cup that medicinal powder is spilt in the shop, the mixed saltpetre bucket that also has blending oxidizing agent and reductive agent, described mixed saltpetre bucket has unique three layers of sieve structure of three layers of blade, add Oxidizing and Reducing Agents respectively by coupled oxygenant drug bucket and reductive agent drug bucket, the stirring of both process blades in mixing saltpetre bucket and the filtration of screen cloth are mixed evenly, form the medicinal powder that mixes, mixed powder enters the nitre cup through mixing the saltpetre bucket outlet, and the nitre cup that loads mixed powder is sprinkled upon the medicinal powder shop on the paper injection.As seen of the present utility modelly add the nitre device except having the carrying medicinal powder function that tradition adds the nitre device, the prior function that also has mixed powder.In the three layers of sieve structure of three layers of blade that mix saltpetre bucket, Oxidizing and Reducing Agents is mixed evenly also through the first layer screen filtration through the stirring of the first layer blade in the first screening chamber, drop in the second screening chamber, stir and second layer screen filtration through second layer blade, drop in the three screening chamber, stirring and the 3rd layer of sieve through the 3rd layer of blade filter, thereby make Oxidizing and Reducing Agents mix.Even three layers of sieve structure of three layers of blade like this can realize that both also can reach the good mixing uniformity coefficient under the lower situation of the add-on of Oxidizing and Reducing Agents.In addition and since blade do not stop stir, screen cloth is difficult for stopping up, screening efficiency and mixed effect all are better than simple sieve and filter.

Preferably, mixing the big I of screen cloth mesh in the saltpetre bucket selects according to the kind of Oxidizing and Reducing Agents and characteristic and adjusts.

Preferably, the outlet that adds drug bucket in the nitre device that all-in-one is drawn in the mixed taw of the utility model comprises the valve of regulating rate of discharge, so that according to the kind of Oxidizing and Reducing Agents and material characteristic (granular size for example, roughness of particles etc.) regulate the part by weight that enters the Oxidizing and Reducing Agents that mixes saltpetre bucket, when for example adopting potassium perchlorate and charcoal, both part by weight can be 5: 3; Similarly, described mixed saltpetre bucket outlet also can comprise flow control valve.Described valve can be any valve of prior art, and particular type comprises ball valve, multi-orifice valve etc.

Preferably, the utility model mixes taw and draws adding in the nitre device of all-in-one, the outlet of nitre cup comprises the nitre dish that spills mixed powder for the shop, it is rotary that the nitre dish is right cylinder, and periphery has ring groove, its periphery downside and paper injection are tangent, and the mixed powder in upside and the nitre cup joins.Mixed powder in the nitre cup enters in the ring groove of nitre dish, and the nitre dish can rotate under the pulling of paper injection, and the shop of the mixed powder in the ring groove is sprinkled upon on the paper injection paper.The nitre dish that has ring groove can guarantee that the concentrated shakedown of mixed powder is sprinkled upon on the paper injection paper, can reduce being scattered of medicinal powder.

Preferably, the utility model mixes taw and draws adding in the nitre device of all-in-one, and drug bucket is funnel type, and is furnished with the part of stirring and stirring shaft, successfully flows out from outlet to help oxygenant or reductive agent, and can not stop up outlet.

Preferably, the mixed taw of the utility model is drawn the nitre device that adds of all-in-one and is furnished with dead front type inloop receipts circle, and the mixed powder that its role is to be scattered on the paper injection all is recovered to the nitre cup.Described dead front type inloop is received the ring groove that circle is the outer side wall sealing, and external annulus links to each other with two sidewalls, and inner side-wall is annular, outer side wall is complete circle, do not have internal ring wall, be provided with some risers between the interior outer side wall, form opening thus towards the continuous circular shape groove of the ring heart.The lower edge that whole inloop is received circle is in the paper injection below, and upper limb is in nitre cup entrance top.Reclaim circle by the driven by motor rotation, the mixed powder that is scattered from paper injection enters in the recovery ring annular groove of below, reclaims circle after rotating, and the mixed powder in the ring groove is refunded in the nitre cup.Because inloop is received the outer side wall of circle and is sealed, and can prevent effectively that the medicinal powder of ring groove is scattered to table top and ground; And because ring groove is continuous, can guarantees that the medicinal powder that will be scattered on the paper injection all reclaims, and can not cause dropping of medicinal powder.Existing surplus nitre retrieving arrangement generally all is open, and discontinuous, for example adopts and reclaims spoon, reclaims spoon and receives unnecessary mixed powder, refunds in the nitre cup again, and this recycling step is repeated repeatedly the medicinal powder that reclaim as much as possible more.Yet, because unnecessary medicinal powder being scattered from the paper injection is continuous, adopt this open and discontinuous retrieving arrangement can cause numerous mixed powders that are scattered on ground and the table top usually, also filling the air medicinal powder in the worker-house, these medicinal powder will be great potential safety hazards.Dead front type inloop described in the utility model is received circle can reclaim whole medicinal powder that is scattered, thus avoid fully mixed powder drop on ground or disperse in air, eliminated potential safety hazard, also avoided the waste of medicinal powder.

Preferably, described in the utility model adding in the nitre device,, the mixed powder bearing capacity is not more than 0.5kg, comprises mixed saltpetre bucket, and nitre cup and inloop are received the mixed powder total amount that contains in the circle.Mainly be to control medicinal powder amount in the final nitre cup by the flow control valve of drug bucket feeding quantity and each outlet in the utility model.The operation of limiting the quantity of of medicinal powder is to reduce danger, the major measure of removing a hidden danger.In the prior art, the mixed powder of disposable adding is higher than 0.8kg and is very easy to occur big security incident about 0.8kg in the nitre cup, causes casualties, and the medicinal powder amount is crossed to hang down and then is unfavorable for enhancing productivity.And in fact, even the mixed powder amount of 0.8kg still can produce bigger brisance, in case misoperation is accidents caused, operator's injures and deaths will appear.In the utility model, total the medicinal powder bearing capacity control that adds the nitre device below 0.5kg, has reduced the danger of operation from the source, even blast occurs, its range of influence also is limited, controlled.And three layers of sieve structure of three layers of blade of the uniqueness that mixed saltpetre bucket of the present utility model has can effectively guarantee the even mixing of a small amount of medicinal powder, thereby guarantee the quality of lead-in wire.The making technology of mixing nitre in the prior art in advance and the utility model mix taw and draw the technology of one and compare, and both are in technical process, nitre amount (being the amount of mixed powder), and staffing, floor space, the difference of each side such as safe class is as shown in table 1.

Mixed taw of the present utility model is drawn in the all-in-one, and the paper injection pallet be used for to be placed paper injection, and paper injection advances moving under the traction of drawing machine.The nitre cup evenly sprinkles mixed powder on the paper injection that advances that moves.

Mixed taw of the present utility model is drawn in the all-in-one, drawing paper injection forward around the rotation of drawing machine, and it is vertical with the direction of motion of paper injection around the rotational plane that draws machine, therefore along with around the rotation of drawing machine, the paper injection of tiling will be slowly in the shape of a spiral shape tighten, the paper injection that evenly sprinkles medicinal powder has formed the lead-in wire work in-process thus.

The lead-in wire work in-process that all-in-one makes are drawn in mixed taw of the present utility model can make the lead-in wire finished product through coating technique again.Described coating technique can draw machine by existing slurry on the market to be finished, and coating technique makes the medicinal powder on the paper injection stick on the paper injection more securely.

It can be the independent production of single lead-in wire that all-in-one is drawn in mixed taw of the present utility model, also can produce simultaneously by multioutlet.

Certainly, the necessary parts that all-in-one also should comprise the laws and regulations defined are drawn in mixed taw of the present utility model, for example are used for parts and the material of anti-electrostatic.

The utility model also provides a kind of mixed taw to draw the lead-in wire preparation method of one, and it mainly may further comprise the steps:

A. pre-treatment: Oxidizing and Reducing Agents is carried out pre-treatment, mix to remove impurity wherein and feed particles evenly is beneficial to;

B. weighing: the weighing Oxidizing and Reducing Agents adds mixed taw described in the utility model respectively and draws in the drug bucket of all-in-one;

C. mix nitre: in above-mentioned mixed saltpetre bucket, carry out the mixing of Oxidizing and Reducing Agents;

D. add nitre: mixed powder is sprinkled upon on the paper injection by above-mentioned nitre cup shop;

E. surplus nitre reclaims: utilize above-mentioned inloop to receive circle and reclaim the mixed powder that is scattered;

F. making: utilize and above-mentioned take up the lead-in wire of curl around drawing paper injection that machine spilt the shop medicinal powder from the paper slip of tiling shape, obtain the work in-process that go between;

G. store: the lead-in wire work in-process of f step are placed the transfer worker-house, standby.

The lead-in wire preparation method of one is drawn in mixed taw of the present utility model, and the pre-treatment step of described step a can adopt existing simple substance to wipe the material machine and finish, and mainly is to wait operation removal impurities in raw materials by pulverizing, stir, sieving, and makes feed particles even.

The lead-in wire preparation method of one is drawn in mixed taw of the present utility model, also can comprise the step of the lead-in wire work in-process of step g being made the lead-in wire finished product through gluing and drying process.Described coating technique can draw machine by existing slurry to be finished, and coating technique makes the medicinal powder on the paper injection stick on the paper injection more securely.Drying after the gluing can adopt existing dryer to finish, or carries out drying by the method for drying in the shade naturally.

The beneficial effects of the utility model are: the utility model adopts and mixes nitre, making one automatization complex art, represented the modern advanced manufacture level of firecrackers lead-in wire producing apparatus, this machine can be measured the mixing of carrying out Oxidizing and Reducing Agents immediately as required, simultaneously mixed powder is sprinkling upon on the paper injection.This instant technological design that mixes nitre has been avoided depositing and transfer operation of macro-mixing medicinal powder, conscientiously dangerous post quantity, lower with recruitment quantity, realize effectively preventing accident generation, ensure the safety of public safety and the person, property, and improved labor productivity simultaneously.

Description of drawings

Fig. 1 mixes the front view that all-in-one is drawn in taw for the utility model.

Among the figure:

1. oxygenant hopper

2. stirring part

3. stirring shaft

4. reductive agent hopper

5. flow control valve

6. blanking tube

7. mix saltpetre bucket

8. screening chamber

9. blade

10. screen cloth

11. flow control valve

12. nitre cup

13. inloop is received circle

14. nitre dish

15. paper injection

16. frame

17. paper injection pallet

18. motor (not shown)

19. around drawing the machine (not shown)

Embodiment

Further describe the technical solution of the utility model below in conjunction with accompanying drawing, but that claimed scope is not limited to is described.

Embodiment 1:

As shown in Figure 1, all-in-one is drawn in a kind of mixed taw described in the utility model, and its structure mainly comprises frame 16, and drug bucket 1 and 4 mixes saltpetre bucket 6, nitre cup 12, and inloop is received circle 13, around drawing machine 19 and motor 18.

Drug bucket 1 is used for feeding intake of oxygenant, drug bucket 4 is used for feeding intake of reductive agent, be furnished with the part 2 of stirring and stirring shaft 3 in the drug bucket, stir part 2 and drive rotation for stirring raw material by stirring shaft 3, in case powder raw material stops up the flow control valve 5 of hopper, valve 5 is used for the flow of control Oxidizing and Reducing Agents.Oxidizing and Reducing Agents is added to respectively in drug bucket 1 and 4 in producing required ratio, and they will enter by the blanking tube 6 of drug bucket below and mix saltpetre bucket 7.

Mix the structure that comprises three layers of blade 9 and three layers of screen cloth 10 in the saltpetre bucket 7, Oxidizing and Reducing Agents enters the stirring of process blade 9 in the mixed saltpetre bucket 7 and the filtration of screen cloth 10, and is mixed even, forms mixed powder.Mixed powder enters nitre cup 12 by the outlet that mixes saltpetre bucket 7.Mix the outlet of saltpetre bucket 7 and be furnished with flow control valve 11, be used for regulating the flow size of mixed powder.Mixed powder is sprinkled upon paper injection 15 through the nitre dish 14 in 12 outlets of nitre cup by even shakedown, finishes thus to add nitre technology.

The mixed powder that is scattered from paper injection 15 can enter the inloop of below and receive in the ring groove of circle 13, and along with the rotation that inloop is received circle 13, the mixed powder in the ring groove can be refunded to nitre cup 12.

Should mix taw and draw all-in-one and can produce two lead-in wires simultaneously, only need to be equipped with two nitre cups.

Embodiment 2:

Adopt the mixed taw of embodiment 1 to draw the method that all-in-one prepares lead-in wire, it mainly may further comprise the steps:

A. potassium perchlorate and charcoal raw material are carried out pre-treatment, mix to remove impurities in raw materials and feed particles evenly is beneficial to;

B. by weight weighing in 5: 3 through pretreated potassium perchlorate and charcoal, and add embodiment 1 described mixed taw respectively and draw in the drug bucket 1 and 4 of all-in-one;

C. in mixing saltpetre bucket 7, carry out the mixing of potassium perchlorate and charcoal;

D. mixed powder is sprinkled upon on the paper injection by nitre cup 12 shops;

E. utilize inloop to receive circle 13 and reclaim the mixed powder that is scattered;

F. utilize around drawing paper injection that machine 19 spilt the shop medicinal powder and take up the lead-in wire of curl from the paper slip of tiling shape, obtain the work in-process that go between;

G. the lead-in wire work in-process with the f step place the transfer worker-house, and are standby.

Draw the technology of all-in-one preparation lead-in wire and conventional wire preparation technology in technical process by embodiment 2 described mixed taws, the nitre amount, staffing, floor space, the difference of aspects such as safe class is as shown in table 1.

Claims (7)

1. all-in-one is drawn in a mixed taw, it is characterized in that: structure mainly comprises frame, add the nitre device, around drawing machine and motor, wherein add the nitre device and comprise two drug buckets that are respectively applied to add Oxidizing and Reducing Agents, the mixed saltpetre bucket that links to each other with the drug bucket outlet, and the nitre cup that links to each other with mixed saltpetre bucket outlet, described mixed saltpetre bucket has three layers of sieve structure, and every layer of compass screen surface all is furnished with a rotating paddle, three rotating paddles are rotated by driven by motor, and paper injection is aimed in the outlet of nitre cup.

2. all-in-one is drawn in the described mixed taw of claim 1, and the described mixed powder bearing capacity that adds the nitre device is not more than 0.5kg.

3. all-in-one is drawn in the described mixed taw of claim 1, and the outlet of described drug bucket comprises the valve of regulating rate of discharge.

4. all-in-one is drawn in the described mixed taw of claim 1, and described mixed saltpetre bucket outlet comprises the valve of regulating flow.

5. all-in-one is drawn in the described mixed taw of claim 1, is furnished with the part of stirring and stirring shaft in the described drug bucket.

6. all-in-one is drawn in the described mixed taw of claim 1, and the described nitre device that adds has the dead front type inloop receipts circle that reclaims the mixed powder that is scattered.

7. all-in-one is drawn in the described mixed taw of claim 1, described nitre cup outlet comprises the nitre dish that spills mixed powder for the shop, and it is rotary that the nitre dish is right cylinder, and periphery has ring groove, its periphery downside and paper injection are tangent, and the mixed powder in upside and the nitre cup joins.

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