CN2560614Y - Spliced expanding block pneuamtic friction taking-up axle - Google Patents
Spliced expanding block pneuamtic friction taking-up axle Download PDFInfo
- Publication number
- CN2560614Y CN2560614Y CN 02263128 CN02263128U CN2560614Y CN 2560614 Y CN2560614 Y CN 2560614Y CN 02263128 CN02263128 CN 02263128 CN 02263128 U CN02263128 U CN 02263128U CN 2560614 Y CN2560614 Y CN 2560614Y
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Abstract
The utility model relates to a splice bulge block pneumatic friction type rolling shaft, which is formed by assembling a friction pair on the spindle at an inlet passage. Each friction pair is composed of 1 fixed ring, 2 retainer rings, 2-6 bulge blocks, a plurality of seal rings and 1 spring; the radial section of each bulge block is in convex form and is in the form of a circular ring after assembling, a retainer ring is respectively arranged at both sides of the fixed ring and the body of the fixed ring is provided with at least 6 through holes with pistons, the spring is used to fix the bulge block onto the body of the fixed ring and to contact with the piston, and the bulge block is enclosed in the limited effective space formed by two retainer rings and the external circumference of the fixed ring. The vent channel of the fixed ring of each friction pair is aligned with the inlet channel of the spindle and is assembled on the spindle. The assembling of bulge blocks is only restricted to radial expansion, and the contact area with the paper pipe is large, the bulge force is sufficient and uniform and the wearing is less. The utility model has the advantages of slippery advancing and retreating of paper pipes, convenient operation, high quality of product rolling and wide application range.
Description
Technical field
The utility model relates to splicing that a kind of and mechanical equipment coordination the use piece Pneumatic friction formula winding off spindle that expands, and especially is fit to be configured in to the cutting of plastics, paper, paper and plastic composite etc., rolling, unreels, on the mechanical equipment of rewinding.
Background technology
A kind of import cutting machine of present domestic use, matching used Pneumatic friction formula winding off spindle on it is to be assembled in an integral shaft that forms on the main shaft that has induction opening by 20～50 friction pairs.Each friction pair mainly is made up of shell, rubber pneumatic bag, air bag air inlet circle, back-up ring, expand piece, spring leaf, seal ring, bearing etc.Air bag air inlet circle, rubber pneumatic bag, back-up ring, expand piece, spring leaf and shell are combined into and work alone configuration of cells on main shaft, and air bag air inlet circle is communicated with the main shaft induction opening.After the ventilation, pressurized air is from the induction opening of main shaft, and the air bag air inlet circle through being clipped between two back-up rings enters rubber pneumatic bag, and rubber pneumatic bag is expanded, and the rubber pneumatic bag of the expansion piece expansion shell that will expand contacts and tightens with the paper tube inner headed face.After stopping the supple of gas or steam, rubber pneumatic bag shrinks, and the piece that expands bounces back under the effect of spring leaf and resets, and paper tube is in loosening state again.The major defect of this winding off spindle friction pair is: 1. rubber pneumatic bag, shell and bearing is complex-shaped, and processing request is high and require special substance, thereby cost is too high; 2. exist the high speed rotating friction between all relatively thin and rubber pneumatic bag and the air bag air inlet circle of rubber pneumatic bag and shell, therefore, very easily damage, maintenance and change also very inconvenient, the maintenance cost height; 3. the piece that expands be by screw retention on the spring bar, bar is very thin, spring leaf is often upspring again, is bounced back, and is easy to make screw loosening, thereby the piece that causes expanding comes off; 4. rubber pneumatic bag is complex-shaped, makes the width of friction pair can not be lower than 40mm, has influenced the Applicable scope of winding off spindle.
Summary of the invention
The purpose of this utility model is, a kind of bloated piece Pneumatic friction formula winding off spindle of splicing that uses with mechanical equipment coordination is provided, and this winding off spindle cost is low, and with the good product quality that it batches, Applicable scope enlarges.
Realize the technical scheme of the utility model purpose: a kind of splicing piece Pneumatic friction formula winding off spindle that expands, it is to be assembled in an integral shaft that forms on the main shaft that has free air diffuser by friction pair, each friction pair all has 1 fixed circle, 2 back-up rings, 2～6 bloated pieces, a plurality of seal ring and 1 spring, wherein:
The inner headed face of A, fixed circle has air channel and the seal groove of seal ring can be housed, have 6 well-distributed through holes at least on the circle body of fixed circle, the piston of the band seal ring of size and through hole coupling all can be housed in each through hole, one end of through hole communicates with air channel, the other end is the import and export of piston, and respectively there is an annular breach outer of two side surfaces of fixed circle, on the side between the interior circle of annular breach and fixed circle, the groove of seal ring can be housed in addition;
An one circle boss and a circle chip-removal hole are arranged on the side of B, back-up ring, and boss is arranged on the outmost turns of back-up ring, and chip-removal hole is evenly arranged near boss;
C, the axial section of each bloated piece is convex shape, the convex shape top is provided with spring groove, the boss matched of the axial width of the shoulder of convex shape and the boss of back-up ring, the radial height of the shoulder of convex shape is greater than the boss width of the boss of back-up ring, convex shape base width is greater than the diameter of the through hole of fixed circle and less than the axial width between the annular breach that encloses surely on two side surfaces, 2～6 bloated pieces of annular arrangement splicing that bloated piece is spliced into, its inner periphery size is complementary with the excircle size of fixed circle, contacts by being positioned on the outer circumference surface of circle and with each piston through the spring of the spring groove of each bloated piece successively;
D, two back-up rings are separately fixed in the annular breach of deciding circle, the boss of two back-up rings after fixing is relative, another side of back-up ring is lower than the side surface of deciding circle, 2～6 bloated pieces of annular arrangement splicing that bloated piece is spliced into, be positioned at the space that outer circumference surface was surrounded as by above-mentioned two back-up rings and fixed circle, the periphery that the top of its convex shape section is spliced into is clipped between two outer circumference surfaces of two back-up rings and is spliced into a periphery;
E, free air diffuser are the grooves of axial distribution on the surface of main shaft, or the duct that is communicated with of the radial direction through hole in main shaft and axially extending bore;
The air channel of deciding circle in each friction pair, the free air diffuser of aligning main shaft also is assembled on the main shaft.
Above-mentioned winding off spindle, the through hole on the circle body of fixed circle are arranged on one or more circumferences with the footpath, are arranged on the through hole on the circumference of a plurality of footpaths together, and its arranging on adjacent two circumferences can be to be arranged side by side, and also can be that dislocation is arranged.
Above-mentioned winding off spindle, the width of each friction pair is the narrowest to be 10mm.
Above-mentioned winding off spindle can be assemblied with 1 or a plurality of friction pair.
Technique effect of the present utility model: 1. cost is low.After winding off spindle of the present utility model was ventilated in use, pressure gas directly promoted to decide the piston in the ring through hole, with the bloated piece expansion that is spliced into annular arrangement of piston contact, blocked paper tube.Replace complex structure, processing request height, the rubber pneumatic bag that needs special substance and shell in the existing winding off spindle with piston simple in structure, reduced cost of manufacture; Because between fixed circle and the main shaft, between the piston of fixed circle and the through hole and all be provided with seal ring between each fixed circle.The good airproof performance of whole axle.Ventilation back pressure gas no leak, the gas of feeding is used to promote piston fully, makes the bloated piece expansion of splicing.Therefore consuming a spot of pressure gas just can produce enough expansive forces, has reduced consuming cost; Because 2～6 bloated pieces that the utility model is adopted are spliced into annular arrangement, after the expansion, the outer circumference surface of the bloated piece of splicing and the back-up ring coupling that the area of contact of jammed paper tube inner peripheral surface is big, are expanded in piece and Ding Quan both sides in splicing, make the expansion and the retraction of the piece that expands all be limited at two back-up rings and enclose the formed available space of outer peripheral face surely, have 6 and well-distributed through hole at least on the circle body surely, the piston that matches all is installed in each through hole, and the ventilation primary piston is even to the power that the piece that expands applies.Therefore, splicing expand piece expansion and reset, piston expands between the piece with splicing and bloated piece of splicing and jammed paper tube between, longitudinal travel is seldom arranged.In addition, splicing is expanded piece when expansion not or after retraction resets, with back-up ring all in same periphery, therefore, paper tube turnover winding off spindle is smooth, does not get stuck.The wearing and tearing of each part are few, seldom produce scrap, both made small amount of wear, and the scrap that is produced also can drain into outside the winding off spindle from a plurality of chip-removal holes that back-up ring is provided with, and can not influence the operation of equipment.Therefore, few, the long service life of trouble in service greatly reduces use, maintenance cost; The quality of 2. being batched product is good.Each friction pair on the utility model winding off spindle all has good sealing property, and the suffered expansive force of paper tube is sufficient and even.Therefore, can guarantee that multistage on same winding off spindle is batched each section in the material, suffered power is uniformity all.The product edge of being batched is neat like this, elasticity is consistent, can reach the standard of product fully.3. Applicable scope enlarges.The bloated piece of each friction pair of the utility model winding off spindle and surely the through hole on the circle body number and surely the circle body axial width all can increase or reduce according to customer requirements.In addition, because the block structure that expands is simple, the top width of its axial convex shape section not only can be amplified, and more can dwindle.And the width of existing winding off spindle friction pair is subjected to the baroque restriction of rubber pneumatic bag, can only be more than or equal to 40mm, and its comformability can not show a candle to winding off spindle of the present utility model.
Description of drawings
Fig. 1 is the structural representation of a friction pair on the bloated piece Pneumatic friction formula winding off spindle of the utility model splicing, the state when its expression is not ventilated, and gas passage 9 is grooves of axial distribution on main shaft 1 surface;
Fig. 2 is the A-A section-drawing of Fig. 1, and other piston 5 among the figure in the through hole 8 omits;
Fig. 3 is the constitution diagram in friction pair when ventilation of Fig. 1;
Fig. 4 is the B-B section-drawing of Fig. 3, and other piston 5 among the figure in the through hole 8 omits;
The axial section of a kind of structure that Fig. 5 encloses surely for friction pair, this through hole 8 that encloses surely on 2 circle bodies is arranged in a circle on same radial line;
Fig. 6 is the perimeter surface expansion drawing of Fig. 5;
The axial section of the another kind of structure that Fig. 7 encloses surely for friction pair, this encloses surely, and through hole 8 on 2 circle bodies is arranged in two circles on two radial lines and dislocation is arranged;
Fig. 8 is the perimeter surface expansion drawing of Fig. 7;
Fig. 9 is spliced by 3 bloated pieces 4 for the axial section of the bloated piece of friction pair;
Figure 10 is the C-C section-drawing of Fig. 9;
Figure 11 is the axial section of friction pair back-up ring;
Figure 12 is the right elevation of Figure 11;
Figure 13 is the expand structural representation of a friction pair on the piece Pneumatic friction formula winding off spindle of the utility model splicing, and the state when its expression is not ventilated, gas passage 9 are ducts that radial direction through hole and the axially extending bore in main shaft 1 is communicated with.
The specific embodiment
Embodiment below in conjunction with accompanying drawing provides is further described in detail the utility model.
Shown in Fig. 1～13, a kind of splicing piece Pneumatic friction formula winding off spindle that expands, it is to be assembled in an integral shaft that forms on the main shaft 1 that has free air diffuser 9 by friction pair, and each friction pair all has 1 and encloses 3,2～6 bloated pieces 4 of 2,2 back-up rings, a plurality of seal ring 7 and 1 spring 6 surely, wherein:
A, enclose the seal groove 12 that 2 inner headed face has air channel 10 and seal ring 7 can be housed surely, surely enclose on 2 the circle body and have 6 well-distributed through holes 8 at least, the piston 5 of the band seal ring 7 of size and through hole 8 couplings all can be housed in each through hole 8, one end of through hole 8 communicates with air channel 10, the other end is the import and export of piston 5, encloses the outer of two side surfaces of 2 surely, and an annular breach 11 is respectively arranged, at annular breach 11 with enclose surely on the side between 2 the interior circle, the groove 14 of seal ring 7 can be housed in addition;
An one circle boss 15 and a circle chip-removal hole 13 are arranged on the side of B, back-up ring 3, and boss 15 is arranged on the outmost turns of back-up ring 3, and chip-removal hole 13 is evenly arranged near boss 15;
C, the axial section of each is bloated piece 4 is convex shape, the convex shape top is provided with spring groove 16, the boss matched of the axial width of the shoulder 17 of convex shape and the boss 15 of back-up ring 3, the radial height of the shoulder 17 of convex shape is greater than the boss width of the boss 15 of back-up ring 3, convex shape base width is greater than the diameter that encloses 2 through hole 8 surely and less than the axial width between the annular breach 11 that encloses surely on 2 two side surfaces, 2～6 bloated pieces of annular arrangement splicing that bloated piece 4 is spliced into, its inner periphery size is complementary with the excircle size of enclosing 2 surely, contacts by being positioned on the outer circumference surface of circle 2 and with each piston 5 through the spring 6 of the spring groove 16 of each bloated piece 4 successively;
D, two back-up rings 3 are separately fixed in the annular breach 11 of deciding circle 2, the boss 15 of two back-up rings 3 after fixing is relative, another side of back-up ring 3 is lower than the side surface of deciding circle 2,2～6 bloated pieces of annular arrangement splicing that bloated piece 4 is spliced into, be positioned at by above-mentioned two back-up rings 3 and enclose 2 the space that outer circumference surface was surrounded as surely, the periphery that the top of its convex shape section is spliced into is clipped between two outer circumference surfaces of two back-up rings 3 and is spliced into a periphery;
E, free air diffuser 9 are grooves of axial distribution on the surface of main shaft 1, or the duct that is communicated with of the radial direction through hole in main shaft 1 and axially extending bore;
The air channel of deciding circle 2 10 in each friction pair, the free air diffuser 9 of aligning main shaft 1 also is assembled on the main shaft 1.
Shown in Fig. 5～8, the through hole 8 that encloses surely on 2 the circle body is arranged on one or more circumferences with the footpath, is arranged on that a plurality of its arranging on adjacent two circumferences can be to be arranged side by side with the through hole 8 on the circumference of footpath, also can be that dislocation is arranged.If the friction pair of customer requirements design broad, enclosing 2 axial width surely needs to increase, and the through hole 8 that encloses surely on 2 circle bodies also will increase, at this moment, and through hole 8 is arranged on a plurality of circumferences and dislocation is arranged (referring to Fig. 8) advantageous particularly.Like this, the radial thrust that 5 pairs of bloated pieces 4 of piston are produced is just more even, thereby guarantees that the longitudinal travel between piston 5 and the bloated piece 4 is few, and wearing and tearing reduce, and the elasticity and the neat in edge degree that batch product meet the requirements.
Winding off spindle of the present utility model, the width of its each friction pair is the narrowest to be 10mm, is particularly suitable for batching material in a narrow margin.
Winding off spindle of the present utility model can be assemblied with 1 or a plurality of friction pair.Therefore, can make the winding off spindle of different size according to customer requirements, but the seriation of winding off spindle product is applied widely.
Winding off spindle of the present utility model in use, after the ventilation, (0.10～0.75MPa) from the gas passage 9 of main shaft 1 air channel of deciding circle 2 10 through each friction pair for pressure gas, enter through hole 8 and promote its each interior piston 5 radial displacements, piece 4 radially expansions (referring to Fig. 3 and 4) simultaneously that the splicing that will contact with piston 5 is bloated.And with contacted by the inside face of the paper tube of roll of material, paper tube is blocked.The spring 6 of piece 4 peripheries that at this moment expand is in the distending state.Like this, the pressure of pressure gas is converted to and adjustablely batches friction force and pass to paper tube, thereby finishes the cutting of material, rolling, unreel and rewinding.After stopping the supple of gas or steam, the splicing piece 4 that expands radially bounces back with the contraction of spring 6, and piston 5 is retraction simultaneously also, resets in enclosing 2 through hole 8 surely.Like this, paper tube and respective web can be taken off from winding off spindle.
In the use,, also can discharge outside the axle, can not influence the normal operation of winding off spindle from the chip-removal hole 13 of the back-up ring 3 that encloses 2 both sides surely even because of wearing and tearing produce scrap.
Winding off spindle of the present utility model, similar winding off spindle with import is compared, and making, use, maintenance cost are all lower, batch good product quality, and Applicable scope is wide, is particularly useful for coiled material in a narrow margin.
Claims (4)
1, the bloated piece Pneumatic friction formula winding off spindle of a kind of splicing, it is to be assembled in the main shaft (1) that has free air diffuser (9) by friction pair to go up an integral shaft that forms, it is characterized in that, each friction pair all has 1 fixed circle (2), 2 back-up rings (3), 2～6 bloated pieces (4), a plurality of seal ring (7) and 1 spring (6), wherein:
A, the inner headed face of fixed circle (2) has air channel (10) and the seal groove (12) of seal ring (7) can be housed, have 6 well-distributed through holes (8) at least on the circle body of fixed circle (2), the piston (5) of the band seal ring (7) of size and through hole (8) coupling all can be housed in each through hole (8), one end of through hole (8) communicates with air channel (10), the other end is the import and export of piston (5), the outer of two side surfaces of fixed circle (2), one annular breach (11) is respectively arranged, on the side between the interior circle of annular breach (11) He Dingquan (2), the groove (14) of seal ring (7) can be housed in addition;
An one circle boss (15) and a circle chip-removal hole (13) are arranged on the side of B, back-up ring (3), and boss (15) is arranged on the outmost turns of back-up ring (3), and chip-removal hole (13) is evenly arranged near boss (15);
C, the axial section of each bloated piece (4) is convex shape, the convex shape top is provided with spring groove (16), the boss matched of the boss (15) of the axial width of the shoulder of convex shape (17) and back-up ring (3), the radial height of the shoulder of convex shape (17) is greater than the boss width of the boss (15) of back-up ring (3), convex shape base width is greater than the diameter of the through hole (8) of fixed circle (2) and less than the axial width between the annular breach (11) on (2) two side surfaces of fixed circle, the bloated piece of annular arrangement splicing that 2～6 bloated pieces (4) are spliced into, the excircle size of its inner periphery size and Ding Quan (2) is complementary, and is positioned at by the spring (6) of the spring groove (16) that passes through each bloated piece (4) successively on the outer circumference surface of circle (2) and with each piston (5) to contact;
D, two back-up rings (3) are separately fixed in the annular breach (11) of deciding circle (2), the boss (15) of two back-up rings (3) after fixing is relative, another side of back-up ring (3) is lower than the side surface of deciding circle (2), the bloated piece of annular arrangement splicing that 2～6 bloated pieces (4) are spliced into, be positioned at the space that outer circumference surface was surrounded as by above-mentioned two back-up rings (3) He Dingquan (2), the periphery that the top of its convex shape section is spliced into is clipped between two outer circumference surfaces of two back-up rings (3) and is spliced into a periphery;
E, free air diffuser (9) are the grooves of axial distribution on the surface of main shaft (1), or the duct that is communicated with of the radial direction through hole in main shaft (1) and axially extending bore;
The air channel of deciding circle (2) (10) in each friction pair, the free air diffuser (9) of aligning main shaft (1) also is assembled on the main shaft (1).
2, winding off spindle according to claim 1, it is characterized in that, through hole (8) on the circle body of fixed circle (2) is arranged on one or more circumferences with the footpath, be arranged on a plurality of with the through hole (8) on the circumference of footpath, its arranging on adjacent two circumferences can be to be arranged side by side, and also can be that dislocation is arranged.
3, winding off spindle according to claim 1 and 2 is characterized in that, the width of each friction pair is the narrowest to be 10mm.
4, winding off spindle according to claim 1 and 2 is characterized in that, winding off spindle can be assemblied with 1 or a plurality of friction pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02263128 CN2560614Y (en) | 2002-07-12 | 2002-07-12 | Spliced expanding block pneuamtic friction taking-up axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02263128 CN2560614Y (en) | 2002-07-12 | 2002-07-12 | Spliced expanding block pneuamtic friction taking-up axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2560614Y true CN2560614Y (en) | 2003-07-16 |
Family
ID=33729575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02263128 Expired - Fee Related CN2560614Y (en) | 2002-07-12 | 2002-07-12 | Spliced expanding block pneuamtic friction taking-up axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2560614Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624153B (en) * | 2009-08-05 | 2011-11-23 | 江阴市申港电讯器材厂 | Scroll |
| CN102745556A (en) * | 2012-07-31 | 2012-10-24 | 柳燕明 | Mechanical expansion shaft of air control C-shaped rings |
| CN102756936A (en) * | 2012-07-31 | 2012-10-31 | 柳燕明 | C-ring mechanical expanding shaft |
| CN104968591A (en) * | 2013-02-05 | 2015-10-07 | 考克利尔维修工程 | Device for retaining a sleeve around a mandrel |
| CN108971935A (en) * | 2018-02-28 | 2018-12-11 | 中信戴卡股份有限公司 | A kind of device for fixing metal tube and plate expanded joint |
-
2002
- 2002-07-12 CN CN 02263128 patent/CN2560614Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624153B (en) * | 2009-08-05 | 2011-11-23 | 江阴市申港电讯器材厂 | Scroll |
| CN102745556A (en) * | 2012-07-31 | 2012-10-24 | 柳燕明 | Mechanical expansion shaft of air control C-shaped rings |
| CN102756936A (en) * | 2012-07-31 | 2012-10-31 | 柳燕明 | C-ring mechanical expanding shaft |
| CN102756936B (en) * | 2012-07-31 | 2014-09-10 | 柳燕明 | C-ring mechanical expanding shaft |
| CN102745556B (en) * | 2012-07-31 | 2014-09-24 | 柳燕明 | Mechanical expansion shaft of air control C-shaped rings |
| CN104968591A (en) * | 2013-02-05 | 2015-10-07 | 考克利尔维修工程 | Device for retaining a sleeve around a mandrel |
| CN108971935A (en) * | 2018-02-28 | 2018-12-11 | 中信戴卡股份有限公司 | A kind of device for fixing metal tube and plate expanded joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |