CN104190744B - A kind of steel band smoothing method and device - Google Patents

A kind of steel band smoothing method and device Download PDF

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Publication number
CN104190744B
CN104190744B CN201410247021.3A CN201410247021A CN104190744B CN 104190744 B CN104190744 B CN 104190744B CN 201410247021 A CN201410247021 A CN 201410247021A CN 104190744 B CN104190744 B CN 104190744B
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steel band
flue
machine
pressing plate
bracket
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CN104190744A (en
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陈明友
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CHONGQING MINGYOU STEEL PRODUCTS MANUFACTURING CO., LTD.
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Chongqing Mingyou Steel Tool Manufacturing Co Ltd
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Abstract

The present invention relates to a kind of steel band smoothing method and device, including it is implemented as described below:By entire volume steel band one end by the pressing plate of levelling machine arrival end, then parallel across two pairs of rollers symmetrical above and below, passed from the pressing plate of the levelling machine port of export;Plane is led a fixed block position and is fixed on the first pressing plate, the second pressing plate the 3rd saddle of arrival into compacting machine;Steel band by compacting machine enters flue through the block of flue arrival end, and steel band is passed by graphite rod or graphite cake on the saddle of flue bottom from the block of the flue port of export;Collecting machine is sent into by traction machine travel by the steel band of flue.The inventive method is simple and easy to apply, simple structure, and multiprogram smoothing processing can be realized to steel band, and effect is good, high precision.

Description

A kind of steel band smoothing method and device
Technical field
The present invention relates to machining technology field, more particularly to a kind of steel band smoothing method.
Background technology
With expanding economy, finished steel sheet demand increasingly increases.With the propulsion of technology, the quality to finished steel sheet will Ask increasingly harsher.So as to propose requirement higher to the production of finished steel sheet and processing method, equipment.
At present, steel band processing method is coarse, be simply equipped so that machining accuracy is low, and final product quality is poor, high cost.Solve Certainly the key of problem above is:A kind of scientific and rational new technology is set up based on existing equipment, new invention equipment.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of steel band smoothing method.
The technical scheme that the present invention solves above-mentioned technical problem is as follows:A kind of steel band smoothing method, including be implemented as described below:
By entire volume steel band one end by levelling machine arrival end pressing plate, then parallel across two pairs of rollers symmetrical above and below, from school The pressing plate of the flat machine port of export is passed;
Plane is led a fixed block position and is fixed on the first pressing plate, the second pressing plate the 3rd saddle of arrival into compacting machine;
Steel band by compacting machine enters flue through the block of flue arrival end, and steel band is by flue bottom receptacle Graphite rod or graphite cake, pass from the block of the flue port of export;
Collecting machine is sent into by traction machine travel by the steel band of flue.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the levelling machine realizes smooth being implemented as follows:
Steel band is drawn between the pressing plate and diamond plate of levelling machine arrival end to be passed, and friction occurs with pressing plate realizes the Once smooth;Realize smoothing for second through two pairs of rollers symmetrical above and below by the steel band of entrance end clamp plate;Through the steel of roller Band is passed between the pressing plate and diamond plate of the levelling machine port of export, realizes that third time is smooth.
Further, the compacting machine realizes smooth being implemented as follows:
Steel band is drawn between first saddle and the first pressing plate of compacting machine to be passed, and is realized smooth for the first time;Again from Passed between two saddles and the second pressing plate, realize smoothing for second, eventually passed the 3rd pallet upper surface and led a fixed block position Put fixation.
Further, the flue realizes smooth being implemented as follows:
The block that steel band is drawn past at flue front end inlet, realizes smooth for the first time;Enter back into inside flue, pass through Graphite rod or graphite cake on flue bottom receptacle, realize smoothing for second;Finally passed from the block of the flue port of export, realized Third time is smooth.
Another technical scheme that the present invention solves above-mentioned technical problem is as follows:A kind of steel band smoothing apparatus, including:
Feeder, is rotated using motor, and entire volume steel band is exited into material to centre successively from edge;
Levelling machine, smooths steel band edge canine tooth and the broken tooth of upper and lower surface;
Compacting machine, further smooths to steel band, and controls smooth speed;
Flue, under the high temperature conditions, further smooths to steel band;
Hauling machine, S-shaped coiled strip is carried out to steel band, while making steel band fully radiate;
Collecting machine, it is coiled to having smoothed steel band rewinding.
Wherein, feeder, levelling machine, compacting machine, hauling machine, collecting machine can be existing apparatus or improved device.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, including mounting bracket, rectangle body of heater is provided with the mounting bracket, the body of heater inner bottom part is provided with Bracket groove, coordinates in the bracket groove and is provided with bracket, and some graphite rods or monoblock graphite cake are placed with the bracket.
Wherein, the mounting bracket front end is provided with pulley structure, and pulley is provided with the pulley structure.
The rectangle body of heater front end is provided with installing plate, and the installing plate edge is provided with fixed circular hole, the fixed circle Hole is connected with the steel cable one end by pulley, and the steel cable other end is connected with weight box, for when flue under the high temperature conditions, When itself expands disequilibrium, give flue one outside pulling force using weight box, flue is in balance.
Arc entrance is provided with the installing plate, the arc entrance two ends are provided with baffle plate mounting structure, the gear Several baffle plates are mounted in parallel in board mounting structure, for sealing arc entrance, to keep the temperature inside flue.
The bracket includes some bracket bow-shaped structurals, and the bracket bow-shaped structural is hollow cylindrical iron staff.It is welded on Bracket bow-shaped structural on bracket can limit graphite rod or monoblock graphite cake is not skidded off on bracket.
The graphite rod or graphite cake, preferably graphite rod, graphite rod is positioned on bracket and free to rotate parallel, works as steel When band is by graphite rod, it is smooth that steel band lower surface produces rolling friction to realize therewith.The graphite rod of rolling can be by steel band in height The oxide skin produced under warm environment falls into bracket bottom by the gap between graphite rod, so as to avoid steel strip surface from forming black Oxide layer, it is ensured that steel band gloss.The graphite rod of rolling and steel band lower surface uniform contact, effectively prevent the local mill of graphite rod Damage, extend graphite rod service life, reduce smooth cost, and make smooth effect more preferably.
The inventive method is simple and easy to apply, and multiprogram smoothing processing can be realized to steel band, and effect is good, high precision.
Brief description of the drawings
Fig. 1 is the levelling machine structure chart of a kind of steel band smoothing method of the invention and device;
Fig. 2 is the levelling machine part-structure enlarged drawing of a kind of steel band smoothing method of the invention and device;
Fig. 3 is the compacting machine structure chart of a kind of steel band smoothing method of the invention and device;
Fig. 4 is the flue tube structure figure of a kind of steel band smoothing method of the invention and device;
Fig. 5 is bracket, the graphite rod structure chart of a kind of steel band smoothing method of the invention and device;
Fig. 6 is bracket, the graphite cake structure chart of a kind of steel band smoothing method of the invention and device;
Fig. 7 is the hauling machine structure chart of a kind of steel band smoothing method of the invention and device;
In accompanying drawing, the part representated by each label is as follows:1st, screw switch, 2, steel band, 3, baffle plate, 4, diamond plate, 5, Pressing plate, 6, U-shaped guide groove, 7, roller symmetrical above and below, 8, upper first saddle, the 9, second saddle, the 10, the 3rd saddle, 11, rectangle leads Groove, 12, lead a fixed block, the 13, first pressing plate, the 14, second pressing plate, 15, fastening bolt, 16, body of heater, 17, fixed circular hole, 18, Bracket, 19, bracket groove, 20, mounting bracket, 21, pulley mounting bracket, 22, pulley, 23, flue entry and exit end-stopping plate, 24, baffle plate Mounting structure, 25, arc entrance, 26, bracket bow-shaped structural, 27, installing plate, 28, steel cable, 29, weight box, 30, graphite rod, 31st, S-shaped roller, 32, graphite cake.
Specific embodiment
Principle of the invention and feature are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, and It is non-for limiting the scope of the present invention.
A kind of steel band smoothing method, including be implemented as described below:
By the one end of entire volume steel band 2 by levelling machine arrival end pressing plate 5, then parallel across two pairs of rollers symmetrical above and below 7, from The pressing plate 5 of the levelling machine port of export is passed;
The first pressing plate 13, the second pressing plate 14 into compacting machine reach plane on the 3rd saddle 10 and are led a fixed block 12 Put fixation;
Steel band 2 by compacting machine enters flue through the block 18 of flue arrival end, and steel band 2 is by flue bottom receptacle Graphite rod 16 on 17, passes from the block 18 of the flue port of export;
It is connected with collecting machine by the steel band 2 of flue.
As shown in Figure 1, 2, the levelling machine realizes smooth being implemented as follows:
Steel band 2 is drawn between the pressing plate 5 and diamond plate 4 of levelling machine arrival end to be passed, and it is real that friction occurs with pressing plate 5 It is now smooth for the first time;Realize smoothing for second through two pairs of rollers symmetrical above and below 7 by the steel band of entrance end clamp plate 5;Through rolling The steel band 2 of wheel 7 is passed between the pressing plate 5 and diamond plate 4 of the levelling machine port of export, realizes that third time is smooth.
As shown in figure 3, the compacting machine realizes smooth being implemented as follows:
Steel band 2 is drawn between first saddle 8 and the first pressing plate 13 of compacting machine to be passed, and is realized smooth for the first time;Again Passed between the second saddle 9 and the second pressing plate 14, realize smoothing for second, eventually passed the upper surface of the 3rd saddle 10 and led position The position of fixed block 12 is fixed.
As shown in figure 4, the flue realizes smooth being implemented as follows:
The block 18 that steel band 2 is drawn past at flue front end inlet, realizes smooth for the first time;Enter back into inside flue, By on flue bottom receptacle 17 graphite rod 16 or graphite cake, realize smoothing for second;The last block from the flue port of export 18 pass, and realize that third time is smooth.
A kind of steel band smoothing apparatus, including:
Feeder, is rotated using motor, and entire volume steel band 2 is exited into material to centre successively from edge;
Levelling machine, smooths the edge canine tooth of steel band 2 and the broken tooth of upper and lower surface;
Compacting machine, further smooths to steel band 2, and controls smooth speed;
Flue, under the high temperature conditions, further smooths to steel band 2;
Hauling machine, S-shaped coiled strip is carried out to steel band 2, while making steel band 2 fully radiate;
Collecting machine, it is coiled to having smoothed the rewinding of steel band 2.
As shown in Figure 1, 2, the levelling machine arrival end, the port of export are provided with symmetrical pressing plate 5, to the edge canine tooth of steel band 2 Smoothed, the middle part of the pressing plate 5 is provided with U-shaped guide groove 6, and the movement with U-shaped guide groove 6 can change the fixed bit of pressing plate 5 Put, passed through with the steel band 2 for adapting to different in width;The lower section of the pressing plate 5 is provided with diamond plate 4, and the diamond plate 4 can subtract The few and friction between the untreated face of steel band 2, it is to avoid the untreated face of steel band 2 scratches, weares and teares;The diamond plate 4 and pressing plate 5 Between be provided with baffle plate 3, the baffle plate 3 can prevent steel band 2 from being rocked in smoothing process;The levelling machine arrival end and outlet Two pairs of rollers symmetrical above and below 7 are provided between end, the broken tooth of upper and lower surface of steel band 2 is smoothed.
The distance between described upper bottom roller 7 can be changed by screw switch 1, be led to the steel band 2 for adapting to different-thickness Cross, on the bottom roller 7 along with the upper surface of the diamond plate 4 be in it is coplanar, to prevent steel band 2 from occurring in smoothing process Bending.
As shown in figure 3, the hold-down gear includes the first saddle 8, the second saddle 9, the 3rd saddle 10, institute that are mounted in parallel State the first saddle 8, the upper surface of the second saddle 9 and be respectively arranged with the first pressing plate 13, the second pressing plate 14, first pressing plate 13, The two ends of two pressing plate 14 are respectively arranged with screw switch 1, by adjust screw switch 1 can change between pressing plate and saddle away from From to change the dynamics that steel band 2 is compacted, so as to control the speed that steel band 2 is smoothed;The upper surface of 3rd saddle 10 is set There is rectangle guide groove 11, multiple is installed in the rectangle guide groove 11 and leads a fixed block 12, a fixed block 12 of leading is by fastening Bolt 15 is connected with the rectangle guide groove 11, and the fixed position of a fixed block 12 of leading can be moved in rectangle guide groove 11 It is dynamic, fixed with the steel band 2 for adapting to different in width.
The upper surface of first saddle 8, the lower surface of the first pressing plate 13, the upper surface of the second saddle 9, the lower surface of the second pressing plate 14 Asbestos cloth is respectively arranged with, using the wearability of asbestos cloth, further the broken tooth to the upper and lower surface of steel band 2 is smoothed.
As shown in figure 4, the flue includes mounting bracket 20, the front end of the mounting bracket 20 is provided with pulley structure 22, Pulley 22 is installed on the pulley structure 21;The rear end of the mounting bracket 20 is provided with rectangle body of heater 16, the rectangle body of heater 16 front ends are provided with installing plate 27;Arc entrance 25 is provided with the installing plate 27, the flue inner bottom part is provided with bracket Groove 19, coordinates in the bracket groove 19 and installs bracket 18, and some graphite rods 30 or graphite cake 32 are placed with the bracket 18.
Wherein, the installing plate edge is provided with fixed circular hole 17, the fixed circular hole 17 and the steel cable by pulley 22 28 one end connect, and the other end of the steel cable 28 is connected with weight box 29, for when flue under the high temperature conditions, itself is expanded During disequilibrium, one outside pulling force of flue is given using weight box 29, flue is formed balance.
The two ends of arc entrance 25 are provided with baffle plate mounting structure 24, have been mounted in parallel in the baffle plate mounting structure 24 Several baffle plates 23, for sealing arc entrance, to keep the temperature inside flue.
As shown in Figure 5,6, the bracket 18 includes some bracket bow-shaped structurals 26, and the bracket bow-shaped structural 16 is hollow Cylindrical iron staff.The bracket bow-shaped structural 26 being welded on bracket 18 can limit graphite rod 30 or graphite cake 32 on bracket not Skidded off.
The graphite rod 30 or graphite cake 32, preferably graphite rod 30, graphite rod 30 are positioned on bracket 18 and can be certainly parallel By rotating, when steel band 2 is by graphite rod 30, it is smooth that the lower surface of steel band 2 produces rolling friction to realize therewith.The graphite rod of rolling 30 oxide skins that can in high temperature environments produce steel band 2 fall into the bottom of bracket 18 by the gap between graphite rod 30, from And avoid the surface of steel band 2 from forming black oxide layer, it is ensured that the gloss of steel band 2.The graphite rod 30 of rolling uniformly connects with the lower surface of steel band 2 Touch, effectively prevent the concentrated wear of graphite rod 30, extend the service life of graphite rod 30, reduce smooth cost, and make smooth effect More preferably.
As shown in fig. 7, the roller 31 of hauling machine S-shaped shape is designed, can be huge to the generation of steel band 2 one by hauling machine Tractive force, realize the S-shaped coiled strip of steel band 2.To can fully be radiated by the steel band 2 of flue simultaneously, it is to avoid steel band 2 is received There is high temperature during material to scald.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.

Claims (9)

1. a kind of steel band smoothing method, it is characterised in that including being implemented as described below:
By entire volume steel band one end by levelling machine arrival end pressing plate, then parallel across two pairs of rollers symmetrical above and below, from levelling machine The pressing plate of the port of export is passed;
Plane is led a fixed block position and is fixed on the first pressing plate, the second pressing plate the 3rd saddle of arrival into compacting machine;
Steel band by compacting machine enters flue through the block of flue arrival end, and steel band is by the graphite on flue bottom receptacle Rod or graphite cake, pass from the block of the flue port of export;
Collecting machine is sent into by traction machine travel by the steel band of flue.
2. a kind of steel band smoothing method according to claim 1, it is characterised in that the levelling machine realizes smooth specific reality It is now as follows:
Steel band is drawn between the pressing plate and diamond plate of levelling machine arrival end to be passed, and friction occurs with pressing plate realizes for the first time It is smooth;Realize smoothing for second through two pairs of rollers symmetrical above and below by the steel band of entrance end clamp plate;Through roller steel band from Passed between the pressing plate and diamond plate of the levelling machine port of export, realize that third time is smooth.
3. a kind of steel band smoothing method according to claim 1, it is characterised in that the compacting machine realizes smooth specific reality It is now as follows:
Steel band is drawn between first saddle and the first pressing plate of compacting machine to be passed, and is realized smooth for the first time;Again from the second support Passed between platform and the second pressing plate, realize that second smooth, eventually passed the 3rd pallet upper surface and led a fixed block position and consolidate It is fixed.
4. a kind of steel band smoothing method according to claim 1, it is characterised in that the flue realizes smooth implementing It is as follows:
The block that steel band is drawn past at flue front end inlet, realizes smooth for the first time;Enter back into inside flue, by flue Graphite rod or graphite cake on bottom receptacle, realize smoothing for second;Finally passed from the block of the flue port of export, realize the 3rd It is secondary smooth.
5. a kind of steel band smoothing apparatus, it is characterised in that including feeder, levelling machine, compacting machine, flue, hauling machine, rewinding Machine;
Feeder, is rotated using motor, and entire volume steel band is exited into material to centre successively from edge;
Levelling machine, smooths steel band edge canine tooth and the broken tooth of upper and lower surface;
Compacting machine, further smooths to steel band, and controls smooth speed;
Flue, the flue inner bottom part is provided with bracket groove, coordinates in the bracket groove and installs bracket, is placed with the bracket Some graphite rods or graphite cake;Under the high temperature conditions, further steel band is smoothed;
Hauling machine, S-shaped coiled strip is carried out to steel band, while making steel band fully radiate;
Collecting machine, it is coiled to having smoothed steel band rewinding;
Also include mounting bracket, rectangle body of heater is provided with the mounting bracket.
6. a kind of steel band smoothing apparatus according to claim 5, it is characterised in that the mounting bracket front end is provided with pulley Structure, pulley is provided with the pulley structure.
7. a kind of steel band smoothing apparatus according to claim 5, it is characterised in that the rectangle body of heater front end is provided with installation Plate, the installing plate edge is provided with fixed circular hole, and the fixed circular hole is connected with the steel cable one end by pulley, the steel cable The other end is connected with weight box.
8. a kind of steel band smoothing apparatus according to claim 7, it is characterised in that be provided with arc on the installing plate and enter Mouthful, the arc entrance two ends are provided with baffle plate mounting structure, several baffle plates have been mounted in parallel in the baffle plate mounting structure, For sealing arc entrance.
9. a kind of steel band smoothing apparatus according to claim 5, it is characterised in that the bracket includes some bracket arch knots Structure, the bracket bow-shaped structural is hollow cylindrical iron staff.
CN201410247021.3A 2014-09-22 2014-09-22 A kind of steel band smoothing method and device Active CN104190744B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106424427A (en) * 2016-08-31 2017-02-22 佛山市巨隆金属制品有限公司 Automatic stainless steel cup machining equipment
CN106345901B (en) * 2016-08-31 2019-04-16 佛山市巨隆金属制品有限公司 A kind of weldering code automatic processing device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202105879U (en) * 2011-05-27 2012-01-11 浙江开尔新材料股份有限公司 Enamel steel plate pressing device
CN203245213U (en) * 2013-04-15 2013-10-23 杭州晨盛金属制品有限公司 Steel plate flatting machine with self-lubrication function
CN203495704U (en) * 2013-09-28 2014-03-26 杭州金浪机电有限公司 Deburring device for steel plate

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06226347A (en) * 1993-02-03 1994-08-16 Hitachi Cable Ltd Correcting device for belt-like metal sheet
KR101378828B1 (en) * 2012-04-09 2014-03-28 김광열 Leveler

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202105879U (en) * 2011-05-27 2012-01-11 浙江开尔新材料股份有限公司 Enamel steel plate pressing device
CN203245213U (en) * 2013-04-15 2013-10-23 杭州晨盛金属制品有限公司 Steel plate flatting machine with self-lubrication function
CN203495704U (en) * 2013-09-28 2014-03-26 杭州金浪机电有限公司 Deburring device for steel plate

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