CN104553073A - Aperture expanding device for paper can in paper can forming machine - Google Patents
Aperture expanding device for paper can in paper can forming machine Download PDFInfo
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- CN104553073A CN104553073A CN201510013993.0A CN201510013993A CN104553073A CN 104553073 A CN104553073 A CN 104553073A CN 201510013993 A CN201510013993 A CN 201510013993A CN 104553073 A CN104553073 A CN 104553073A
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Abstract
The invention provides an aperture expanding device for a paper can in a paper can forming machine, belonging to the technical field of paper can forming equipment. The device comprises a cylinder body, a connecting rod, an arc tableting piece I, an arc tableting piece II and an expanding-converging mechanism, wherein the cylinder body is cylindrical and the lower end of the cylinder body is opened; the lower end of the connecting rod is positioned in the cylinder body; the upper end of the connecting rod extends out of the upper end of the cylinder body and is connected with a driving piece which can drive the connecting rod to rotate; the expanding-converging mechanism is positioned between one side of the connecting rod and the arc tableting piece I and between the other side of the connecting rod and the arc tableting piece II; when the connecting rod rotates, the expanding-converging mechanism can move in a face-to-face or back-to-back direction by using the arc tableting piece I and the arc tableting piece II as connecting rods; a forming cavity matched with the paper can is formed between the outer sides of the arc tableting piece I and the arc tableting piece II and the inner side of the cylinder body when the connecting rod rotates; therefore, the apertures of the paper can are unified, and a function of automatically expanding apertures is achieved.
Description
Technical field
The invention belongs to paper can former technical field, relate to a kind of paper can forming machine, particularly the expander of paper can in a kind of paper can forming machine.
Background technology
Along with social economy's development at a high speed, the competition of all trades and professions is also more and more fierce, and packing business is more and more prosperous, the expenditure on the cost adopting paper products to replace metalwork to greatly reduce.Enter supermarket and just can see oblong paper can, its appearance is printed on each colored pattern, and shuttlecock, table tennis, biscuit, chocolate etc. are housed respectively.Common paper can cylinder by the bottom of cylindrical shell, cylinder and cover form, paper simplified abbreviation paper web determines core involution through cylinder mould form by cutting the shaping scraps of paper.In the paper web of paper can is produced, be first by hinge, scraps of paper bag is embraced on die body, then the scrap (bridge) of the involution scraps of paper become paper web.But due to the paper web after involution and cylinder mould outer wall gap too small, be difficult to rapidly paper web be drawn off from die wall pull-up, only have the gap expanded between paper web and cylinder mould, just can make to unload that an operation becomes is quick smoothly.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose the expander of paper can in a kind of paper can forming machine, not only paper can easily unloads and gets, and paper can per os size obtains unified.
Object of the present invention realizes by following technical proposal: the expander of paper can in a kind of paper can forming machine, it is characterized in that, this device comprises cylindrical shell, connecting rod, arc compressing tablet one, arc compressing tablet two and expanding and shrinking mechanism, above-mentioned cylindrical shell cylindrically and its lower ending opening, above-mentioned connecting rod lower end is positioned at cylindrical shell, small end stretches out cylindrical shell upper end for being connected with the actuator that it can be driven to rotate, above-mentioned expanding and shrinking mechanism is between connecting rod side and arc compressing tablet one and between connecting rod opposite side and arc compressing tablet two, when the above-mentioned expanding and shrinking mechanism of link rotatable can make arc compressing tablet one and arc compressing tablet two with connecting rod be benchmark in opposite directions or movement on the contrary, when arc compressing tablet one above-mentioned after link rotatable, the forming cavity matched with paper can is formed between inside the outside of arc compressing tablet two and cylindrical shell.
The actuator 5 that drivening rod 2 rotates is servomotor, servomotor can make control rate, positional precision is very accurate, voltage signal can be converted into torque and rotational speed with drived control connecting rod 2, and the received signal of telecommunication can be converted to angular displacement on motor reel or angular speed exports.Connecting rod 2 upper end is stretched out cylindrical shell 1 upper end and is connected with the output shaft of servomotor.Start servomotor drivening rod 2 to rotate, expanding and shrinking mechanism is rotated by connecting rod 2 and carries out the trend toward cylindrical shell 1 inwall extruding movement to arc compressing tablet 1 and arc compressing tablet 24, carry out expanding by being positioned at forming cavity 6 without expanding paper can, paper can easily unloads and gets after expanding.
Described expanding and shrinking mechanism comprises cam one, cam two and spring, and above-mentioned cam one and cam two are arranged forwards, backwards along pitman shaft, and the protuberance of described cam one and the recess of cam two align, and the recess of described cam one and the protuberance of cam two align.
Described cam one is in disc, and above-mentioned connecting rod is connected in cam one one end and is close to its edge, and described cam two is in disc, and above-mentioned connecting rod is connected in cam two one end and is close to its edge.Cam one is positioned at above cam two, when actuator drivening rod rotates, is connected in cam one and cam two also rotates simultaneously with connecting rod.
The two ends of described spring are connected in the inner side of arc compressing tablet one and arc compressing tablet two respectively, all have the trend to the movement of connecting rod place at the elastic force effect arc lower compressing tablet one of spring and arc compressing tablet two.The recess of cam two and the protuberance of cam two are resisted against arc compressing tablet one side, the protuberance of cam one and the recess of cam two and be resisted against arc compressing tablet two side, link rotatable controls cam one and cam two carries out in the same way and oppositely moves, when cam one and cam two move in the same way, arc compressing tablet one and arc compressing tablet two move to connecting rod place under being subject to the elastic force effect of spring.
Described arc compressing tablet one has fixedly connected to the inner side tubular connecting cylinder, and it is being shaft-like connecting rod that described arc compressing tablet two fixedly connected to the inner side, and described connecting rod part is positioned at connecting cylinder, and the two ends of above-mentioned spring are connected in connecting cylinder and connecting rod end respectively.Connecting cylinder, spring and connecting rod form one and shrink unit, are evenly equipped with some contraction unit between arc compressing tablet one and arc compressing tablet two along the axis of connecting rod.
Described arc compressing tablet one has fixedly connected to the inner side contiguous block one, described contiguous block one sidepiece has the recessed stopper slot one of twice arc, cam one and cam two branch are embedded in corresponding stopper slot one place, described arc compressing tablet two has fixedly connected to the inner side contiguous block two, described contiguous block two sidepiece has the recessed stopper slot two of twice arc, and cam one and cam two branch are embedded in corresponding stopper slot two place.The thickness of arc compressing tablet one and arc compressing tablet two can not be blocked up, Gu be fixed with contiguous block one and contiguous block two respectively at arc compressing tablet one and arc compressing tablet two, the recessed stopper slot one of twice arc and stopper slot two is respectively equipped with at contiguous block one and contiguous block two, the recess of cam one and the protuberance of cam two are resisted against inside the recessed stopper slot one of twice arc respectively, the recess of cam two and the protuberance of cam one are resisted against inside the recessed stopper slot two of twice arc respectively, when link rotatable 180 °, the projection of cam one embeds and is resisted against inside the stopper slot one of former cam one recess embedding, cam two go out to be partially submerged into and be resisted against former cam two recess embed stopper slot two inside, arc compressing tablet one and arc compressing tablet two are strutted by cam one and cam two and play an expanding effect to the paper can in forming cavity.
Described connecting rod has the limit convex edge of protrusion, described limit convex is along being resisted against above-mentioned barrel end.Limit convex normally works along preventing the connecting rod impact that vertically moves down excessive in cylindrical shell.
Between described connecting rod and cylindrical shell, there is bearing.Bearing between connecting rod and cylindrical shell be reduce connecting rod in transmission process with the load coefficient of friction of cylindrical shell, extend the service life of connecting rod and cylindrical shell.
Alternatively scheme, described expanding and shrinking mechanism comprises push rod one, push rod two and spring, and above-mentioned push rod one and push rod two are arranged forwards, backwards along pitman shaft, and described push rod one and push rod two lay respectively at the both sides of connecting rod.Connecting rod has axle sleeve, push rod one and push rod two are connected in axle sleeve on one side respectively, actuator drivening rod rotates, axle sleeve does not rotate with link rotatable, the other end of push rod one and push rod two is all connected a spring respectively, the spring be connected with push rod one is fixed on inside arc compressing tablet one, the spring be connected with push rod two is fixed on inside arc compressing tablet two, arc compressing tablet one and arc compressing tablet two have the trend to the movement of connecting rod place under the action of the spring, push rod one, push rod two and spring form one and shrink unit, some contraction unit are evenly equipped with along the axis of connecting rod between arc compressing tablet one and arc compressing tablet two.
Compared with prior art, in this paper can forming machine the advantage of the expander of paper can have following some:
1, the novel structure of the expander of paper can in this paper can forming machine, the finished product paper web per os after production is in the same size, achieves the uniformity of paper web per os, high financial profit.
2, the expander of paper can in this paper can forming machine, paper can easily unloads and gets after expanding, reduces manual labor, improves productivity effect.
Accompanying drawing explanation
Fig. 1 is the sectional view of the expander of paper can in this paper can forming machine.
Fig. 2 is the upward view of the expander of paper can in this paper can forming machine.
In figure, 1, cylindrical shell; 2, connecting rod; 3, arc compressing tablet one; 3a, contiguous block one; 3b, stopper slot one; 4, arc compressing tablet two; 4a, contiguous block two; 4b, stopper slot two; 5, actuator; 6, forming cavity; 7, cam one; 8, cam two; 9, spring; 10, connecting cylinder; 11, connecting rod; 12, bearing; 13, limit convex edge.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As Fig. 1, shown in Fig. 2, the expander of paper can in a kind of paper can forming machine, this device comprises cylindrical shell 1, connecting rod 2, arc compressing tablet 1, arc compressing tablet 24 and expanding and shrinking mechanism, cylindrical shell 1 cylindrically and its lower ending opening, connecting rod 2 lower end is positioned at cylindrical shell 1, cylindrical shell 1 upper end is stretched out for being connected with the actuator 5 that it can be driven to rotate in connecting rod 2 upper end, expanding and shrinking mechanism is between connecting rod 2 side and arc compressing tablet 1 and between connecting rod 2 opposite side and arc compressing tablet 24, when connecting rod 2 rotate expanding and shrinking mechanism can make arc compressing tablet 1 and arc compressing tablet 24 with connecting rod 2 for benchmark in opposite directions or movement on the contrary, when connecting rod 2 rotates rear arc compressing tablet 1, the forming cavity 6 matched with paper can is formed between inside the outside of arc compressing tablet 24 and cylindrical shell 1.
The actuator 5 that drivening rod 2 rotates is servomotor, servomotor can make control rate, positional precision is very accurate, voltage signal can be converted into torque and rotational speed with drived control connecting rod 2, and the received signal of telecommunication can be converted to angular displacement on motor reel or angular speed exports.Connecting rod 2 upper end is stretched out cylindrical shell 1 upper end and is connected with the output shaft of servomotor.Start servomotor drivening rod 2 to rotate, expanding and shrinking mechanism is rotated by connecting rod 2 and carries out the trend toward cylindrical shell 1 inwall extruding movement to arc compressing tablet 1 and arc compressing tablet 24, carry out expanding by being positioned at forming cavity 6 without expanding paper can, paper can easily unloads and gets after expanding.
Expanding and shrinking mechanism comprises cam 1, cam 28 and spring 9, and cam 1 and cam 28 are axially arranged front and back along connecting rod 2, and the protuberance of cam 1 and the recess of cam 28 align, and the recess of cam 1 and the protuberance of cam 28 align.
Cam 1 is in disc, and connecting rod 2 is connected in cam 1 one end and is close to its edge, and cam 28 is in disc, and connecting rod 2 is connected in cam 28 one end and is close to its edge.Cam 1 is positioned at above cam 28, when actuator 5 drivening rod 2 rotates, is connected in cam 1 and cam 28 also rotates simultaneously with connecting rod 2.
The two ends of spring 9 are connected in the inner side of arc compressing tablet 1 and arc compressing tablet 24 respectively, all have the trend to connecting rod 2 place's movement at the elastic force effect arc lower compressing tablet 1 of spring 9 and arc compressing tablet 24.The recess of cam 28 and the protuberance of cam 28 are resisted against arc compressing tablet 1 side, the protuberance of cam 1 and the recess of cam 28 and be resisted against arc compressing tablet 24 side, connecting rod 2 rotates control cam 1 and cam 28 carries out in the same way and oppositely moves, when cam 1 and cam 28 move in the same way, arc compressing tablet 1 and arc compressing tablet 24 move to connecting rod 2 place under being subject to the elastic force effect of spring 9.
Arc compressing tablet 1 has fixedly connected to the inner side tubular connecting cylinder 10, and it is being shaft-like connecting rod 11 that arc compressing tablet 24 fixedly connected to the inner side, and connecting rod 11 part is positioned at connecting cylinder 10, and the two ends of spring 9 are connected in connecting cylinder 10 and connecting rod 11 end respectively.Connecting cylinder 10, spring 9 and connecting rod 11 form a contraction unit, are evenly equipped with some contraction unit between arc compressing tablet 1 and arc compressing tablet 24 along the axis of connecting rod 2.
Arc compressing tablet 1 has fixedly connected to the inner side contiguous block one 3a, contiguous block one 3a sidepiece has recessed stopper slot one 3b of twice arc, cam 1 and cam 28 branch are embedded in corresponding stopper slot one 3b place, arc compressing tablet 24 has fixedly connected to the inner side contiguous block two 4a, contiguous block two 4a sidepiece has recessed stopper slot two 4b of twice arc, and cam 1 and cam 28 branch are embedded in corresponding stopper slot two 4b place.The thickness of arc compressing tablet 1 and arc compressing tablet 24 can not be blocked up, Gu be fixed with contiguous block one 3a and contiguous block two 4a respectively at arc compressing tablet 1 and arc compressing tablet 24, twice arc recessed stopper slot one 3b and stopper slot two 4b is respectively equipped with at contiguous block one 3a and contiguous block two 4a, the recess of cam 1 and the protuberance of cam 28 are resisted against inside recessed stopper slot one 3b of twice arc respectively, the recess of cam 28 and the protuberance of cam 1 are resisted against inside recessed stopper slot two 4b of twice arc respectively, when connecting rod 2 rotates 180 °, the projection of cam 1 embeds and is resisted against inside stopper slot one 3b of former cam 1 recess embedding, cam 28 go out to be partially submerged into and be resisted against former cam 28 recess embed stopper slot two 4b inside, arc compressing tablet 1 and arc compressing tablet 24 are strutted by cam 1 and cam 28 and play an expanding effect to the paper can in forming cavity 6.
Connecting rod 2 has the limit convex of protrusion along 13, limit convex is resisted against cylindrical shell 1 end along 13.Limit convex can prevent connecting rod 2 impact that vertically moves down excessive in cylindrical shell 1 from normally working along 13.
There is between connecting rod 2 and cylindrical shell 1 bearing 12.Bearing 12 between connecting rod 2 and cylindrical shell 1 be reduce connecting rod 2 in transmission process with the load coefficient of friction of cylindrical shell 1, extend the service life of connecting rod 2 and cylindrical shell 1.
General principle: the recess that startup actuator 5 pivot link 2 puts cam 1 is embedded in corresponding stopper slot one 3b with the protuberance of cam 28, protuberance and the recess of cam 28 of cam 1 are embedded in corresponding stopper slot two 4b, not expanding paper web is put into forming cavity 6, the recess that pivot link 2180 ° puts cam 28 is embedded in corresponding stopper slot one 3b with the protuberance of cam 1, protuberance and the recess of cam 1 of cam 28 are embedded in corresponding stopper slot two 4b, it is mobile in the other direction that cam 1 and cam 28 make arc compressing tablet 1 and arc compressing tablet 24 all have to connecting rod 2, i.e. forming cavity 6.Arc compressing tablet 1 and arc compressing tablet 24 extrude not expanding paper can simultaneously makes it expanding, then by 2180 °, connecting rod, all moves to connecting rod 2 place at the elastic force effect arc lower compressing tablet 1 of spring 9 and arc compressing tablet 24.
Embodiment two
The present embodiment is roughly the same with embodiment one, and institute's difference is that expanding and shrinking mechanism comprises push rod one, push rod two and spring 9, and push rod one and push rod two are axially arranged front and back along connecting rod 2, and push rod one and push rod two lay respectively at the both sides of connecting rod 2.Connecting rod 2 has axle sleeve, push rod one and push rod two are connected in axle sleeve on one side respectively, actuator 5 drivening rod 2 rotates, axle sleeve does not rotate with connecting rod 2 and rotates, the other end of push rod one and push rod two is all connected a spring 9 respectively, the spring 9 be connected with push rod one is fixed on inside arc compressing tablet 1, the spring 9 be connected with push rod two is fixed on inside arc compressing tablet 24, at the effect arc lower compressing tablet 1 of spring 9 and arc compressing tablet 24, there is the trend to connecting rod 2 place's movement, push rod one, push rod two and spring 9 form a contraction unit, some contraction unit are evenly equipped with along the axis of connecting rod 2 between arc compressing tablet 1 and arc compressing tablet 24.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ cylindrical shell 1, connecting rod 2, arc compressing tablet 1, contiguous block one 3a, stopper slot one 3b, arc compressing tablet 24, contiguous block two 4a, stopper slot two 4b, actuator 5, forming cavity 6, cam 1, cam 28, spring 9, connecting cylinder 10, connecting rod 11, bearing 12, limit convex herein along the terms such as 13, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (9)
1. the expander of paper can in a paper can forming machine, it is characterized in that, this device comprises cylindrical shell (1), connecting rod (2), arc compressing tablet one (3), arc compressing tablet two (4) and expanding and shrinking mechanism, above-mentioned cylindrical shell (1) cylindrically and its lower ending opening, above-mentioned connecting rod (2) lower end is positioned at cylindrical shell (1), connecting rod (2) upper end is stretched out cylindrical shell (1) upper end and is used for being connected with the actuator that it can be driven to rotate (5), above-mentioned expanding and shrinking mechanism is positioned between connecting rod (2) side and arc compressing tablet one (3) and between connecting rod (2) opposite side and arc compressing tablet two (4), when connecting rod (2) rotate above-mentioned expanding and shrinking mechanism can make arc compressing tablet one (3) and arc compressing tablet two (4) with connecting rod (2) for benchmark in opposite directions or movement on the contrary, above-mentioned arc compressing tablet one (3) after connecting rod (2) rotates, the forming cavity (6) matched with paper can is formed between the outside of arc compressing tablet two (4) and cylindrical shell (1) inner side.
2. the expander of paper can in a kind of paper can forming machine according to claim 1, it is characterized in that, described expanding and shrinking mechanism comprises cam one (7), cam two (8) and spring (9), above-mentioned cam one (7) and cam two (8) are axially arranged front and back along connecting rod (2), the protuberance of described cam one (7) and the recess of cam two (8) align, and the recess of described cam one (7) and the protuberance of cam two (8) align.
3. the expander of paper can in a kind of paper can forming machine according to claim 2, it is characterized in that, described cam one (7) is in disc, above-mentioned connecting rod (2) is connected in cam one (7) one end and is close to its edge, described cam two (8) is in disc, and above-mentioned connecting rod (2) is connected in cam two (8) one end and is close to its edge.
4. the expander of paper can in a kind of paper can forming machine according to claim 3, it is characterized in that, the two ends of described spring (9) are connected in the inner side of arc compressing tablet one (3) and arc compressing tablet two (4) respectively, all have the trend to connecting rod (2) place's movement at the elastic force effect arc lower compressing tablet one (3) of spring (9) and arc compressing tablet two (4).
5. the expander of paper can in a kind of paper can forming machine according to claim 4, it is characterized in that, described arc compressing tablet one (3) has fixedly connected to the inner side tubular connecting cylinder (10), described arc compressing tablet two (4) fixedly connected to the inner side and is being shaft-like connecting rod (11), described connecting rod (11) part is positioned at connecting cylinder (10), and the two ends of above-mentioned spring (9) are connected in connecting cylinder (10) and connecting rod (11) end respectively.
6. the expander of paper can in a kind of paper can forming machine according to claim 5, it is characterized in that, described arc compressing tablet one (3) has fixedly connected to the inner side contiguous block one (3a), described contiguous block one (3a) sidepiece has the recessed stopper slot one (3b) of twice arc, cam one (7) and cam two (8) branch are embedded in corresponding stopper slot one (3b) place, described arc compressing tablet two (4) has fixedly connected to the inner side contiguous block two (4a), described contiguous block two (4a) sidepiece has the recessed stopper slot two (4b) of twice arc, cam one (7) and cam two (8) branch are embedded in corresponding stopper slot two (4b) place.
7. the expander of paper can in a kind of paper can forming machine according to claim 1, it is characterized in that, described connecting rod (2) has the limit convex of protrusion along (13), described limit convex is resisted against above-mentioned cylindrical shell (1) end along (13).
8. the expander of paper can in a kind of paper can forming machine according to claim 1, is characterized in that having bearing (12) between described connecting rod (2) and cylindrical shell (1).
9. the expander of paper can in a kind of paper can forming machine according to claim 1, it is characterized in that, described expanding and shrinking mechanism comprises push rod one, push rod two and spring (9), above-mentioned push rod one and push rod two are axially arranged front and back along connecting rod (2), and described push rod one and push rod two lay respectively at the both sides of connecting rod (2).
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CN201510013993.0A CN104553073A (en) | 2015-01-09 | 2015-01-09 | Aperture expanding device for paper can in paper can forming machine |
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CN201510013993.0A CN104553073A (en) | 2015-01-09 | 2015-01-09 | Aperture expanding device for paper can in paper can forming machine |
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Citations (5)
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WO1995003936A1 (en) * | 1993-07-27 | 1995-02-09 | Aston Packaging Limited | Mandrel, fitted machine and packaging piece |
CN2915489Y (en) * | 2006-04-14 | 2007-06-27 | 四川天鑫塑胶管业有限公司 | Interlocked type stopper subassembly |
CN103317775A (en) * | 2013-07-08 | 2013-09-25 | 吴江久升纸业有限公司 | Sizing inner pipe for supporting paper pipe |
CN103568372A (en) * | 2013-10-25 | 2014-02-12 | 瑞安市胜利机械有限公司 | Cylinder mould diameter expanding and shrinking device of paper tank cylinder forming machine |
CN204398402U (en) * | 2015-01-09 | 2015-06-17 | 杨灯胡 | The expander of paper can in a kind of paper can forming machine |
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2015
- 2015-01-09 CN CN201510013993.0A patent/CN104553073A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995003936A1 (en) * | 1993-07-27 | 1995-02-09 | Aston Packaging Limited | Mandrel, fitted machine and packaging piece |
CN2915489Y (en) * | 2006-04-14 | 2007-06-27 | 四川天鑫塑胶管业有限公司 | Interlocked type stopper subassembly |
CN103317775A (en) * | 2013-07-08 | 2013-09-25 | 吴江久升纸业有限公司 | Sizing inner pipe for supporting paper pipe |
CN103568372A (en) * | 2013-10-25 | 2014-02-12 | 瑞安市胜利机械有限公司 | Cylinder mould diameter expanding and shrinking device of paper tank cylinder forming machine |
CN204398402U (en) * | 2015-01-09 | 2015-06-17 | 杨灯胡 | The expander of paper can in a kind of paper can forming machine |
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