CN103770150B - The blade tension structure of plastic material device for thermally cutting - Google Patents
The blade tension structure of plastic material device for thermally cutting Download PDFInfo
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- CN103770150B CN103770150B CN201410019008.2A CN201410019008A CN103770150B CN 103770150 B CN103770150 B CN 103770150B CN 201410019008 A CN201410019008 A CN 201410019008A CN 103770150 B CN103770150 B CN 103770150B
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- blade
- knife rest
- fixed
- slide block
- pressing plate
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- 238000005520 cutting process Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 title claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 32
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000009172 bursting Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The present invention relates to a kind of blade tension structure of plastic material device for thermally cutting, comprise frame, knife rest and blade; Knife rest is liftably fixed in frame by guiding rail mechanism; Blade one end and knife rest are connected, and the other end is fixed on slide block, and knife rest is provided with the chute coordinated with slide block, and chute is arranged along blade heat expansion prolonging direction; Also comprise slide-driving device, slide-driving device is fixed on knife rest also can be with movable slider to move along blade heat expansion prolonging direction.By arranging strainer tensioning blade, cut quality and production efficiency can be improved, and blade being not easy damage of bursting apart, reducing production cost.
Description
Technical field
The present invention relates to a kind of plastic material device for thermally cutting, specifically a kind of blade tension structure of plastic material device for thermally cutting.
Background technology
At present, in plastic material device for thermally cutting, blade is directly screwed on cutting knife usually, as disclosed in Chinese patent ZL201320056132.7 be exactly so a kind of section bar device for thermally cutting.There is following shortcoming in this blade fixed form: the formula due to section bar has a variety of, and the blade temperature needed for section bar of cutting different formulations is different; Meanwhile, the difference of cross-section size of section size, the temperature of required blade also needs appropriate regulation.Therefore, during cutting, the temperature of blade needs to carry out suitable regulation and control.Because blade exists phenomenon of expanding with heat and contract with cold, in the stage that normal temperature, heating, alternating temperature etc. are different, the deflection of blade is different.When the blade inclination that can produce dilatancy and blade of being heated can increase, blade can produce flexural deformation, causes the out-of-flatness of section steel cutting section, affect product quality, and blade easily bursts apart, production cost is increased, and frequently more allowing blade replacement also reduces production efficiency.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, a kind of blade tension structure of plastic material device for thermally cutting is provided, can cut quality be improved, reduce blade loss, reduce production cost.
The technical solution used in the present invention is: comprise frame, knife rest and blade; Knife rest is liftably fixed in frame by guiding rail mechanism; Blade one end and knife rest are connected, and the other end is fixed on slide block, and knife rest is provided with the chute coordinated with slide block, and chute is arranged along blade heat expansion prolonging direction; Also comprise slide-driving device, slide-driving device is fixed on knife rest also can be with movable slider to move along blade heat expansion prolonging direction.
Further, blade two ends are respectively equipped with the pin-and-hole for location, and slide block and knife rest are fixed with the alignment pin coordinated with blade two ends pin-and-hole; Knife rest is provided with the first clamping device on knife rest by blade movable end and slider grip, and blade stiff end is pressed on the second clamping device on knife rest.
Further, described first clamping device comprises the first pressing plate and the first elbow folder, first pressing plate has the pin-and-hole with blade movable end detent fit, first elbow folder is fixed on knife rest, when the first elbow folder is in impaction state, its pressure head by the first pressing plate by blade movable end and slider grip on knife rest; Described second clamping device comprises the second pressing plate and the second elbow folder, second pressing plate has the pin-and-hole with blade stiff end detent fit, second elbow folder is fixed on knife rest, and when the second elbow folder is in impaction state, blade stiff end is pressed on knife rest by the second pressing plate by its pressure head.
Further, when the first elbow folder is in impaction state, the first pressing plate is pressed on knife rest by its pressure head, retains the gap of 0.01 ~ 0.05mm between the first pressing plate and blade, and the first pressing plate having with the pin-and-hole of blade movable end detent fit is mounting hole.
Preferably, described slide-driving device comprises cylinder and crank, and cylinder is fixed on knife rest, is hinged on knife rest in the middle of crank, and crank two ends are hinged with the pull bar of cylinder and slide block respectively.
Preferably, described slide-driving device comprises cylinder and swing arm, cylinder is fixed on knife rest, slide block is provided with tooth bar, swing arm one end is provided with the gear teeth engaged with the tooth bar on slide block, the gear teeth end of swing arm to be hinged on knife rest and to be connected with the rack-driving on slide block, and the pull bar of the swing arm other end and cylinder is hinged.
As shown from the above technical solution, the present invention is by arranging strainer tensioning blade, effectively can solve the problem that blade is out of shape due to expanded by heating, make cutting section comparatively regular, can cut quality be improved, and blade is not easy damage of bursting apart, not only can extend the service life of blade, reduce more allowing blade replacement number of times, enhance productivity, but also reduce production cost.Be adopt the clamping of elbow folder in preferred version of the present invention, can carry out fast-holding to blade and fix, also quick releasable, can realize rapid changing knife, and installation and maintenance simultaneously, maintenance are more for convenience.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is along P-P line sectional view in Fig. 1.
Fig. 4 is another example structure schematic diagram.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, the present invention includes frame 1, knife rest 2 and blade 3.Frame 1 is a vertical substrate, is provided with the horizontal base plate 11 as workbench in the middle part of frame 1, has the hole 13 passed through for section bar 7 to be cut in the middle of the frame 1 above horizontal base plate 11.Knife rest 2 is in inverted U-shaped, and frame 1 both sides are provided with line slideway 12, and knife rest 2 both sides are fixed with the slide block 26 coordinated with line slideway 12, and knife rest 2 is coordinated by slide block 26 and line slideway 12 and is liftably fixed in frame 1.The electric heater unit 14 that the blade 3 be fixed on knife rest 2 is heated frame 1 is equipped with.Both sides, knife rest 2 lower end are fixed with a pair pull bar 21 respectively by gland 22, and pull bar 21 lower end is connected with lifting pedestal (in figure, end draws).Lifting pedestal and knife rack driving mechanism can adopt structure disclosed in Chinese patent ZL201320056132.7.
Alien invasion on the left of knife rest 2 has embedded groove, is provided with abaculus 32 in groove, abaculus 32 has the through hole of fixed locating stud 321, there is radial protrusion alignment pin 321 the inner, and alignment pin 321 is fixed in the embedded groove of knife rest 2 by protruding by abaculus 32.Alien invasion on the right side of knife rest 2 has the chute 23 of the prolonging direction distribution along blade 3 expanded by heating, the slide block 31 coordinated with it is provided with in groove, slide block 31 has the through hole of fixed locating stud 311, alignment pin 311 is fixed in the chute 23 of knife rest 2 by protruding by slide block 31.Blade 3 two ends have the pin-and-hole coordinated with alignment pin 311,321, and be sleeved on corresponding alignment pin 311,321 by pin-and-hole, pass on left alignment pin 321 and abaculus 32 to be locked on knife rest 2 thus to form stiff end, right side can be moved with slide block 31 thus form movable end.
Drive unit comprises cylinder 5 and crank 52, and be fixed on knife rest 2 by rotating shaft 53 in the middle of crank 52, cylinder 5 is fixed on knife rest 2, and the pull bar 51 of crank 52 one end and cylinder 5 is hinged, and the other end is hinged by bearing pin 54 and slide block 31.Cylinder 5 action, drives crank 52 to swing by pull bar 51, and slide block 31 can be made to move outside knife rest 2 along chute 23, thus makes blade 3 tensioning.
Knife rest 2 is provided with the first clamping device blade movable end and slide block 31 are clamped on knife rest, and blade stiff end is pressed on the second clamping device on knife rest.
First clamping device comprises the first pressing plate 41 and the first elbow folder 42, first pressing plate 41 has the pin-and-hole 411 coordinated with blade movable end alignment pin 311, first elbow folder 42 is fixed on knife rest 2, when the first elbow folder 42 is in impaction state, blade movable end and slide block 31 are clamped on knife rest 2 by the first pressing plate 41 by its pressure head.Blade is considered to run downwards in cutting process and away from electric heater unit, cause temperature to decline and produce contraction, first pressing plate 41 is pressed on knife rest 2 in blade width both sides, the gap of 0.01 ~ 0.05mm is retained between first pressing plate 41 and blade 3, pin-and-hole 411 is mounting hole, so that blade 3 can freely be upheld and shrink.
Second clamping device comprises the second pressing plate 61 and the second elbow folder 62, second pressing plate 61 has the pin-and-hole coordinated with blade stiff end alignment pin 321, second elbow folder 62 is fixed on knife rest 2, and when the second elbow folder 62 is in impaction state, blade stiff end is pressed on knife rest 2 by the second pressing plate 61 by its pressure head.
In this example, the first elbow folder 42, second elbow folder 62 adopts the manual elbow folder of horizontal, and the first elbow folder 42, second elbow folder 62 is oppositely installed.As shown in Figure 2, be made up of base 623, handle 621, hinge 622, elbow clamping bar 624, pressure head 625 etc., base 623 is fixed on knife rest 2 by screw its structure.In Fig. 2, the first elbow folder 42, second elbow folder 62 is in impaction state, pull handle 621 to the left, hinge 622 can make elbow clamping bar 624 and pressure head 625 open, and unloads first, second pressing plate 41,61 at bottom knife two ends, i.e. changeable blade 3, changes blade operation very simple.
Above-mentioned clamping device also can not use elbow to press from both sides, and can be fixed on knife rest 2 with screw, directly clamp the first pressing plate 41 and the second pressing plate 61 blade 3.More only screw need be unloaded during allowing blade replacement.Certainly, pressing plate also can adopt the rotatable pressure plate structure in one end, by rotating above blade, by blade pressing or can grip.More during allowing blade replacement, by pressing plate to a sideway swivel.Clamping device is not limited to above-mentioned several scheme, can also adopt other and knife rest movable connection method.
Cylinder 5 can adopt two-way cylinder.During cutting, blade 3 need heat temperature adjustment according to actual conditions, and this process cutting blade 3 is because of expanded by heating distortion, and blade 3 distortion can cause its length.By cylinder 5 upper chamber air feed, promote pull bar 51 to move downward, pull bar 51 throw crank 52 53 does downwards and swings by a small margin around the shaft, crank 52 other end band movable slider 31 moves along chute 23 along blade 3 length direction, blade 3 tensioning is pulled by alignment pin 311, cylinder 5 remains for gaseity, now just completes the process of whole tensioning blade.When blade 3 reaches service life and be unexpected damaged, cylinder 5 lower chambers is ventilated, push up on pull bar 51, drive crank 52 to reversely rotate, can loose slide block, nature replied by blade 3, for convenience detach.
Can certainly adopt one-way cylinder, tensioning operation is the same.When needing to unclamp blade, only need stop can unclamping slide block to cylinder air feed.
Slide-driving device also can adopt structure shown in Fig. 4, comprise cylinder 5 and swing arm 55, cylinder 5 is fixed on knife rest 2, slide block 31 is provided with tooth bar, swing arm 55 one end is provided with the gear teeth engaged with the tooth bar on slide block 31, the gear teeth end of swing arm 55 to be hinged on knife rest 2 by bearing pin 56 and to be connected with the rack-driving on slide block 31, and the pull bar 51 of swing arm 55 other end and cylinder 5 is hinged.Cylinder 5 action, drives swing arm 55 to swing by pull bar 51, by rack pinion, slide block 31 is moved outside knife rest 2 along chute 24, thus makes blade 3 tensioning.
Claims (4)
1. the blade tension structure of plastic material device for thermally cutting, comprises frame (1), knife rest (2) and blade (3); Blade (3) two ends are fixed on knife rest (2); Knife rest (2) is liftably fixed in frame (1) by guiding rail mechanism; It is characterized in that: blade (3) one end and knife rest (2) are connected, the other end is fixed on slide block (31), knife rest (2) is provided with the chute (23) coordinated with slide block (31), and chute (23) is arranged along blade heat expansion prolonging direction; Also comprise slide-driving device, slide-driving device is fixed on knife rest (2) and above also movable slider (31) can be with to move along blade heat expansion prolonging direction; Blade (3) two ends are respectively equipped with the pin-and-hole for location, and slide block (31) and knife rest (2) are fixed with the alignment pin (311,321) coordinated with blade (3) two ends pin-and-hole; Knife rest (2) is provided with the first clamping device blade movable end and slide block (31) are clamped on knife rest, and blade stiff end is pressed on the second clamping device on knife rest; Described first clamping device comprises the first pressing plate (41) and the first elbow folder (42), first pressing plate (41) has the pin-and-hole (411) coordinated with blade movable end alignment pin (311), first elbow folder (42) is fixed on knife rest (2), and when the first elbow folder (42) is in impaction state, blade movable end and slide block (31) are clamped on knife rest by the first pressing plate (41) by its pressure head; Described second clamping device comprises the second pressing plate (61) and the second elbow folder (62), second pressing plate (61) has the pin-and-hole coordinated with blade stiff end alignment pin (321), second elbow folder (62) is fixed on knife rest (2), when the second elbow folder (62) is in impaction state, blade stiff end is pressed on knife rest (2) by the second pressing plate (61) by its pressure head.
2. the blade tension structure of plastic material device for thermally cutting according to claim 1, it is characterized in that: when the first elbow folder (42) is in impaction state, first pressing plate (41) is pressed on knife rest (2) by its pressure head, retain the gap of 0.01 ~ 0.05mm between first pressing plate (41) and blade (3), the first pressing plate (41) having the pin-and-hole (411) coordinated with blade movable end alignment pin (311) is mounting hole.
3. the blade tension structure of plastic material device for thermally cutting according to claim 1 and 2, it is characterized in that: described slide-driving device comprises cylinder (5) and crank (52), cylinder (5) is fixed on knife rest (2), is hinged on knife rest (2) in the middle of crank (52), crank (52) two ends are hinged with the pull bar (51) of cylinder and slide block (31) respectively.
4. the blade tension structure of plastic material device for thermally cutting according to claim 1 and 2, it is characterized in that: described slide-driving device comprises cylinder (5) and swing arm (55), cylinder (5) is fixed on knife rest (2), slide block (31) is provided with tooth bar, swing arm (55) one end is provided with the gear teeth engaged with the tooth bar on slide block (31), the gear teeth end of swing arm (55) is hinged on knife rest (2), and be connected with the rack-driving on slide block (31), the pull bar (51) of swing arm (55) other end and cylinder is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019008.2A CN103770150B (en) | 2014-01-15 | 2014-01-15 | The blade tension structure of plastic material device for thermally cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019008.2A CN103770150B (en) | 2014-01-15 | 2014-01-15 | The blade tension structure of plastic material device for thermally cutting |
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| Publication Number | Publication Date |
|---|---|
| CN103770150A CN103770150A (en) | 2014-05-07 |
| CN103770150B true CN103770150B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410019008.2A Expired - Fee Related CN103770150B (en) | 2014-01-15 | 2014-01-15 | The blade tension structure of plastic material device for thermally cutting |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107283231B (en) * | 2016-04-05 | 2023-05-16 | 王华江 | Clamping and positioning device and clamping and positioning method of sharpening equipment |
| CN108372424B (en) * | 2018-02-28 | 2020-06-09 | 温州点点点工业设计有限公司 | Scrap iron removing device for industrial drilling machine |
| CN109531681A (en) * | 2018-12-29 | 2019-03-29 | 文三佳科技股份有限公司 | Bracing means and application method for blade in plastic irregular profile dustless cutting machine |
| CN111379158A (en) * | 2020-04-10 | 2020-07-07 | 东莞市乐星电子有限公司 | Line hot cutting equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6575070B1 (en) * | 2000-01-31 | 2003-06-10 | General Electric Company | Method and apparatus for cutting sheet material |
| DE20110794U1 (en) * | 2001-06-29 | 2001-09-27 | Stein Maschb Gmbh & Co Kg | Device for cutting plastic profiles to length |
| JP6049185B2 (en) * | 2011-12-09 | 2016-12-21 | 株式会社日立メタルプレシジョン | Sheet bundle cutting device |
| CN202528239U (en) * | 2011-12-22 | 2012-11-14 | 铜陵市唯希塑料挤出设备科技有限公司 | Plastic profiled bar cutting machine |
| CN203665609U (en) * | 2014-01-15 | 2014-06-25 | 铜陵格瑞特挤出技术有限公司 | Blade tensioning structure of plastic profile thermal cutting device |
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Effective date of registration: 20160526 Address after: 244061 No. 951 Taishan Avenue, Tongling Economic Development Zone, Anhui, 13-2 Patentee after: Tongling Betterfuse Technology Co.,Ltd. Address before: 13-2, room 951, 244061 Taishan Avenue, Tongling Economic Development Zone, Anhui, China Patentee before: TONGLING GREAT EXTRUSION TECH. CO.,LTD. |
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Effective date of registration: 20190827 Address after: 244061 No. 951 Taishan Avenue, Tongling Economic Development Zone, Anhui, 13-2 Patentee after: TONGLING GREAT EXTRUSION TECH. CO.,LTD. Address before: 244061 No. 951 Taishan Avenue, Tongling Economic Development Zone, Anhui, 13-2 Patentee before: Tongling Betterfuse Technology Co.,Ltd. |
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Granted publication date: 20150930 |