CN202080444U

CN202080444U - Powdery material packing steelyard

Info

Publication number: CN202080444U
Application number: CN2011201159642U
Authority: CN
Inventors: 季胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-20
Filing date: 2011-04-20
Publication date: 2011-12-21
Anticipated expiration: 2021-04-20

Abstract

The utility model relates to a powdery material packing steelyard, which is suitable for preventing the problems that a packing bag cannot stand on the ground, the materials with rated quantity are hard to be packed in the bag within a normal time and the dust is easy to fly here and there if powdery materials with much air enter the packing bag, wherein by using the packing device, the material packing effect is good and the efficiency is increased. The packing steelyard comprises a degassing and feeding device arranged on a bottom outlet of a material hopper, an air exhausting and ejecting combination valve and a vacuum pump connected with the degassing and feeding device and used for providing degassing and ejection unblocking, and a pneumatic bag clamping elevating mechanism arranged on the bottom of the degassing and feeding device; the degassing and feeding device comprises a feeding cylinder of which the inner and outer walls are both monolithic micro-pore filter cores; the caliber of the filter cores can be determined according to the size of the material particles, and the range may be 1-50 micrometers. An interface communicated with a clearance between the inner wall and inner filter core of the feeding cylinder is arranged on the outer sidewall of the feeding cylinder, and the interface is connected with the air exhausting and ejecting combination valve.

Description

A kind of powder material packing scale

Technical field

The utility model relates to a kind of packing scale that is used to pack the powder material ultra-fine, that air content is big.

Background technology

The current packaging scale is when packing the big powder material of ultra-fine air content, the weight feed of uncontrollable powder, the accumulation degree of firmness of material are lower, and material advances often to have tympanites behind the bag and being difficult for of causing seals, piling or bag are stood problem, thereby has influenced the efficient of packing work.

The utility model content

The technical problems to be solved in the utility model provide a kind of rational in infrastructure, be suitable for preventing that the material dust from flying upward, packing the powder material packing scale that effect is better and packaging efficiency is higher everywhere.

In order to solve the problems of the technologies described above, powder material packing scale of the present utility model comprises: be located at degassing blanking device A, the winding-up combine valve B that bleeds that is used to provide the degassing and winding-up unimpeded source of the gas that links to each other with degassing blanking device A on the outlet at bottom of hopper D, be located at the C of folder bag mechanism bottom the degassing blanking device A; Degassing blanking device A comprises: blanking tube 1, and the inwall of blanking tube 1 is provided with the barrel-type inner filter core, and the lateral wall of blanking tube 1 is provided with the interface 2 that communicates with inwall and the gap between the inner filter core at described blanking tube 1; This interface 2 links to each other with the described winding-up combine valve B that bleeds.

The described winding-up combine valve B that bleeds has a plurality of, and the winding-up combine valve B that respectively bleeds comprises: threeway B1, flexible pipe B2, the first angle pedestal valve B3, the first ready-packaged joint B4, extraction pipe B5, the second angle pedestal valve B6 and the second ready-packaged joint B7; First end of described threeway B1 is connected with the negative pressure dust suction interface 5 of described blanking tube 1 through the second angle pedestal valve B6, the second ready-packaged joint B7 successively, second end of this threeway B1 links to each other with described extraction pipe B5 through described flexible pipe B2, the first angle pedestal valve B3, the first ready-packaged joint B4 successively, and this extraction pipe B5 links to each other with the pulsed high-pressure air source with a vacuum pump simultaneously.

At least have the winding-up combine valve B that bleeds, the 3rd end of described threeway B1 wherein links to each other with described interface 2 on the described blanking tube 1; The 3rd end of described threeway B1 among remaining winding-up combine valve B that respectively bleeds links to each other with the port at each outer filter core 3 top respectively.

The described folder bag C of mechanism comprises: a pair ofly driven and the packaging bag locating piece C3 of a pair of rectangle of the opposite opened folder bag door C2 that realizes opening and closing, a pair of door-plate opposing parallel setting that distributes with the front and back of described opposite opened folder bag door C2, be located at a pair of infrared pickoff C1 at contiguous packaging bag locating piece C3 two ends by hydraulic actuating cylinder C4; Each infrared pickoff C1 links to each other with a blanking control circuit; Be provided with the master cock of carrying secretly that links to each other with described blanking control circuit on the erecting frame of the described folder bag C of mechanism and in described infrared pickoff C1 the place ahead.

The method of work of the described folder bag C of mechanism: record infrared signal simultaneously at described a pair of infrared pickoff C1, the both hands that promptly record operating personal are placed in the two ends of packaging bag on the described opposite opened folder bag door C2 simultaneously, and operating personal stir described carry master cock secretly after, the blanking control circuit is controlled described opposite opened folder bag door C2 and is opened, and the two ends with packaging bag are clamped in respectively between described door-plate and the packaging bag locating piece C3 then; Otherwise if described a pair of infrared pickoff C1 does not record infrared signal simultaneously, even if then stir the described master cock of carrying secretly, described opposite opened folder bag door C2 is in closed condition all the time.The described folder bag C of mechanism is located on the lifting mechanism, and this lifting mechanism is located on the weight sensor G.

Technique scheme of the present utility model has the following advantages compared to existing technology: (1) automatic ration powder degassing of the present utility model spiral packing scale, be used to prevent make packaging bag can't stand on ground after the more powder material of gas content from entering packaging bag, and be difficult in normal time the packing of the powder material in the bag that the material of rated quantity packed into; And dust easily fly upward everywhere, use behind this packaging facilities effect better and efficient improve.Blanking tube and outer filter core adopt metal sintering nanometer micropore vacuumizing method principle, in the blanking packaging process, take the mode that repeatedly outgases, be respectively in the feed bin fill process, packing carry out in, when packing finishes, system adopts this mode packing of weighing, its objective is the air content that reduces to greatest extent in the packaging bag, avoid " bulge " phenomenon of packaging bag, be beneficial to the heat seal of seam bag, pile and the transportation of material, and do not have the outer pollution of bag.This product is widely used in that heaps such as the metallurgical oxide of Subnano-class, ultra-fine powder lime carbonate, superfines, resin-oatmeal and aerosil tie that density are little, flowing power is poor or good fluidity has the automatic quantitative packing system of the specific materials such as superfine powder class material of jet phenomenon.(2) technical characterstic of the present utility model: material carries out the degassing first time when being arranged in tapered feed bin process, carries out the secondary degassing in the packaging process, carries out three degassings before packing finishes; Plug-in type degassing rod is positioned at material when carrying out secondary and three degassings, its effect is to increase the bulk density of material as much as possible to reduce the air content of material in packaging bag; The peripheral dust that produces is siphoned away by dust removal machine with the dedusting interface by airtight casing special secondary school in the packaging process; The vertical two-way helicallobe is forced storing, feed, makes material not impact, and feed is stable, prevent the material vertical drop, thereby further reach the effect that exhaust subtracts dirt, and the rotating speed of variable frequency control bidirectional screw blade is controlled delivery rate; When the air content of material hour can adopt once or the secondary degassing method is beneficial to improve package speed; Weigh when packing charging mechanism with carry out relative motion, reduce material to greatest extent and advance a bag drop, and make material in flow process, adopt the classification whereabouts, reduce drop. Instrument employing peeling function automatically can be carried out fast detecting for the packaging bag of Different Weight and weigh; System possesses the automatic or manual master mode, selects the degassing several times or specially can be set by manual mode when reinforced for need.(3) the degassing blanking device of the present utility model modular filter extraction sector that is a kind of packing scale is made of a plurality of external filter elements and a blanking tube, bleeds and the circulation of jetting is carried out.The purpose of bleeding is that very big limit is the air content that reduces in the packaging bag, avoids the bulge phenomenon of packaging bag.Winding-up is to be adsorbed on the inner filter core for fear of powder, stops up ventilative micropore.The advantage of this degassing blanking device: when accelerating discharge rate, can control flying upward of dust, and raising material compacting degree, also can solve tympanites and difficult seam bag problem after material advances bag, improve the work efficiency that improves packing work, to improve the whole production progress; Band negative pressure dust suction interface is beneficial to the material recovery and effectively improves working environment, meets hygienic practice.(4) the utility model is symmetrically set in folder bag mechanism both sides with infrared pickoff, come standard operation personnel's operation (action when both hands and standard bagging is in full accord) with sensor, if operate lack of standardizationly, wrapping machine does not start, prevent misoperation, effectively improved production safety and efficient.(5) the winding-up combine valve of bleeding of the present utility model adopts threeway to bleed and is connected with injection system, with the switching of angle pedestal valve control gas circuit.It has, and the distance of bleeding is short, swept volume is big, laborsaving, vacuumize the efficient height, prevent good, the convenience operation of dust adhesion.When bleeding, extraction pipe is bled filter core and the blanking tube outside each from described respectively through the withstand voltage flexible pipe of bleeding of PU electrostatic prevention, threeway; When jet, close second angle pedestal valve, pressure gas only from the 3rd end output of described threeway, so that each outer filter core and blanking tube are jetted, prevents its obstruction.

Description of drawings

For the easier quilt of content of the present utility model is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the utility model is described in further detail, wherein

Fig. 1 is the structural representation of powder material packing scale of the present utility model;

Fig. 2 is the construction profile of Fig. 1;

Fig. 3 is the birds-eye view of the degassing blanking device among Fig. 1;

Fig. 4 is the section-drawing (omitting central rotating shaft 8 and bidirectional screw blade 6) of the A-A among Fig. 3;

Fig. 5 is the section-drawing (omitting central rotating shaft 8 and bidirectional screw blade 6) of the B-B among Fig. 3;

Fig. 6 is the section-drawing of the C-C among Fig. 3;

Fig. 7 is the structural representation of the winding-up combine valve of bleeding among Fig. 1;

Fig. 8 is the structural representation of the folder bag mechanism among Fig. 1;

Fig. 9 is the construction profile of the folder bag mechanism among Fig. 8.

The specific embodiment

See Fig. 1-9, the packing scale of present embodiment comprises: be located at degassing blanking device A, the winding-up combine valve B that bleeds that is used to provide the degassing and winding-up unimpeded source of the gas that links to each other with degassing blanking device A on the outlet at bottom of hopper D, be located at the C of folder bag mechanism bottom the degassing blanking device A.

Degassing blanking device A comprises: blanking tube 1, and the inwall of blanking tube 1 is provided with the barrel-type inner filter core, and the lateral wall of blanking tube 1 is provided with the interface 2 that communicates with inwall and the gap between the inner filter core at described blanking tube 1; This interface 2 links to each other with the described winding-up combine valve B that bleeds.

Be evenly distributed with a plurality of outer filter cores 3 around the described blanking tube 1; The port at described outer filter core 3 tops links to each other with the described winding-up combine valve B that bleeds.

Described blanking tube 1 and outer filter core 3 are located in the dust suction chamber 4, and the sidewall of this dust suction chamber 4 is provided with the negative pressure dust suction interface 5 that links to each other with the described winding-up combine valve B that bleeds.

Be penetrated with central rotating shaft 8 in the described blanking tube 1, this central authorities' rotating shaft 8 is provided with bidirectional screw blade 6.

The bottom port of described blanking tube 1 is provided with a pair of blanking shutter door 7 (this to blanking shutter door 7 size symmetry or small one and large one).

Described hopper D is the taper surge bunker, is provided with brokenly arch in this hopper D and helps the stream mixing device.

The method of work of the described winding-up combine valve B that bleeds: during blanking tube 1 blanking, described vacuum pump is opened, and described high-pressure air source is cut off, and the first angle pedestal valve B3 and the second angle pedestal valve B6 are opening simultaneously; Degassing blanking device A is degassing blanking mode of operation; Behind degassing blanking work state continuance certain hour, to close described second angle pedestal valve B6 and vacuum pump and open, when connecting described pulsed high-pressure air source, degassing blanking device A is winding-up unimpeded mode of operation, and blanking this moment stops; After winding-up unimpeded mode of operation continues a Preset Time, return to degassing blanking mode of operation, so repeatedly, until stopping blanking and the C of folder bag mechanism unclamps described packaging bag, promptly packing finishes.

The described folder bag C of mechanism comprises: a pair ofly driven and the packaging bag locating piece C3 of a pair of rectangle of the opposite opened folder bag door C2 that realizes opening and closing, a pair of door-plate opposing parallel setting that distributes with the front and back of described opposite opened folder bag door C2, be located at a pair of infrared pickoff C1 at contiguous packaging bag locating piece C3 two ends by cylinder C4; Each infrared pickoff C1 links to each other with a blanking control circuit; Be provided with the master cock of carrying secretly that links to each other with described blanking control circuit on the erecting frame of the described folder bag C of mechanism and in described infrared pickoff C1 the place ahead.

The method of work of the described folder bag C of mechanism: record infrared signal simultaneously at described a pair of infrared pickoff C1, the both hands that promptly record operating personal are placed in the two ends of packaging bag on the described opposite opened folder bag door C2 simultaneously, and operating personal stir described carry master cock secretly after, the blanking control circuit is controlled described opposite opened folder bag door C2 and is opened, and the two ends with packaging bag are clamped in respectively between described door-plate and the packaging bag locating piece C3 then; Otherwise if described a pair of infrared pickoff C1 does not record infrared signal simultaneously, even if then stir the described master cock of carrying secretly, described opposite opened folder bag door C2 is in closed condition all the time.

The described folder bag C of mechanism is located on the lifting mechanism, and this lifting mechanism is located on the weight sensor G.

The method of work of powder material packing scale: after fixing a packaging bag on the C of folder bag mechanism, the C of this folder bag mechanism preset height that rises, open described a pair of blanking shutter door 7 then and drive described central rotating shaft 8 rotations, with the beginning blanking, and the bottom of the contiguous described blanking tube 1 in the packaging bag of this moment bottom; Open the described winding-up combine valve B that bleeds simultaneously.

When material in continuous decline process owing to be subjected to all around the blanking tube wall that contained gas is discharged from the suction of negative-pressure air fan so the material, the material change is dry and astringent, flowing power reduces, friction angle increases, in the therefore more or less freely packaging bag of can packing into; If powder adheres to micropore tremie pipe inwall then can treat to proceed winding-up after resistance recovers according to the resistance situation self-opening winding-up group system of bleeding during this time.

Along with the increase of material in the packaging bag, described lifting mechanism is controlled the described folder bag C of mechanism and is moved down gradually, makes on the material in the packaging bag aspect bottom of contiguous described blanking tube 1 all the time simultaneously; When the quality of material in the packaging bag reach default packing total mass 90% the time, reduce the rotating speed of described central rotating shaft 8 gradually and/or reduce the opening of a pair of blanking shutter door 7 of the bottom of described blanking tube 1; When the quality of material in the packaging bag reaches default packing total mass, control a pair of blanking shutter door 7 that described central rotating shaft 8 is stopped the rotation and closed the bottom of described blanking tube 1; Control described a pair of blanking shutter door 7 then and close, described packaging bag detaches the described folder bag C of mechanism automatically.

The inside and outside wall of blanking tube is the integral type micropore filter element, and this filter core aperture can be decided according to the material particles size, and scope can be the 50-1 micron.

Obviously, the foregoing description only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.

Claims

1. powder material packing scale is characterized in that comprising: the folder bag mechanism (C) that be located at the degassing blanking device (A) on the outlet at bottom of hopper (D), the winding-up combine valve (B) of bleeding that is used to provide the degassing and winding-up unimpeded source of the gas that links to each other with degassing blanking device (A), is located at degassing blanking device (A) bottom;

Degassing blanking device (A) comprising: blanking tube (1), and the inwall of blanking tube (1) is provided with the barrel-type inner filter core, and the lateral wall of blanking tube (1) is provided with the interface (2) that communicates with inwall and the gap between the inner filter core at described blanking tube (1); This interface (2) links to each other with the described winding-up combine valve (B) of bleeding.

2. powder material packing scale according to claim 1 is characterized in that: described blanking tube (1) is evenly distributed with a plurality of outer filter cores (3) all around; The port at described outer filter core (3) top links to each other with the described winding-up combine valve (B) of bleeding.

3. powder material packing scale according to claim 2, it is characterized in that: described blanking tube (1) and outer filter core (3) are located in the dust suction chamber (4), and the sidewall of this dust suction chamber (4) is provided with the negative pressure dust suction interface (5) that links to each other with the described winding-up combine valve (B) of bleeding.

4. powder material packing scale according to claim 1 is characterized in that: be penetrated with central rotating shaft (8) in the described blanking tube (1), this central authorities' rotating shaft (8) is provided with bidirectional screw blade (6).

5. according to claim 1 or 4 described powder material packing scales, it is characterized in that: the bottom port of described blanking tube (1) is provided with a pair of blanking shutter door (7).

6. powder material packing scale according to claim 1 is characterized in that: described hopper (D) is the taper surge bunker, is provided with brokenly arch in this hopper (D) and helps the stream mixing device.

7. powder material packing scale according to claim 3, it is characterized in that: the described winding-up combine valve (B) of bleeding has a plurality of, and the winding-up combine valve (B) of respectively bleeding comprising: threeway (B1), flexible pipe (B2), first angle pedestal valve (B3), first ready-packaged joint (B4), extraction pipe (B5), second angle pedestal valve (B6) and second ready-packaged joint (B7);

First end of described threeway (B1) is connected with the negative pressure dust suction interface (5) of described blanking tube (1) through second angle pedestal valve (B6), second ready-packaged joint (B7) successively, second end of this threeway (B1) links to each other with described extraction pipe (B5) through described flexible pipe (B2), first angle pedestal valve (B3), first ready-packaged joint (B4) successively, and this extraction pipe (B5) links to each other with the pulsed high-pressure air source with a vacuum pump simultaneously;

At least have the winding-up combine valve (B) of bleeding, the 3rd end of described threeway (B1) wherein links to each other with described interface (2) on the described blanking tube (1);

The 3rd end of the described threeway (B1) in remaining winding-up combine valve (B) of respectively bleeding links to each other with the port at each outer filter core (3) top respectively.

8. powder material packing scale according to claim 1 is characterized in that: described folder bag mechanism (C) comprising: a pair ofly driven and the packaging bag locating piece (C3) of a pair of rectangle that the opposite opened folder bag door (C2) realizing opening and closing, a pair of door-plate opposing parallel that distributes with the front and back of described opposite opened folder bag door (C2) are provided with, be located at a pair of infrared pickoff (C1) at contiguous packaging bag locating piece (C3) two ends by cylinder (C4); Each infrared pickoff (C1) links to each other with a blanking control circuit;

Be provided with the master cock of carrying secretly that links to each other with described blanking control circuit on the erecting frame of described folder bag mechanism (C) and in described infrared pickoff (C1) the place ahead.

9. powder material packing scale according to claim 8 is characterized in that: described folder bag mechanism (C) is located on the lifting mechanism, and this lifting mechanism is located on the weight sensor (G).