CN201686893U - Rotary automatic expanding and loosening paper clip - Google Patents
Rotary automatic expanding and loosening paper clip Download PDFInfo
- Publication number
- CN201686893U CN201686893U CN2010201933925U CN201020193392U CN201686893U CN 201686893 U CN201686893 U CN 201686893U CN 2010201933925 U CN2010201933925 U CN 2010201933925U CN 201020193392 U CN201020193392 U CN 201020193392U CN 201686893 U CN201686893 U CN 201686893U
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- China
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- flange
- mandrel
- flange mandrel
- sliding panel
- loosing
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- Expired - Lifetime
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Abstract
The utility model relates to a rotary automatic expanding and loosening paper clip, which comprises a flange core shaft. The outer surface of the flange core shaft is provided with an axial groove, a shell is sleeved outside the flange core shaft and is provided with an axial sliding guide hole, a sliding plate is arranged in the sliding guide hole of the shell, a cylindrical pin is arranged between the sliding plate and the flange core shaft, the end of the flange core shaft is connected with an end cover, and an axial through hole is arranged in the flange core shaft. The utility model can realize multiple purposes, and can not only be used separately, but also can be modified into the multi-section combined paper clip. Moreover, the utility model can be used for clipping original paper core shafts with various specifications and sizes, and can simplify the modification, reduce the mechanical spare parts, and save the cost.
Description
Technical field
The utility model relates to a kind of rotation clamping parts that are used for refill axle on the paper machine, and specifically a kind of automatic rotary paper-loosing collet belongs to mechanical rotation clamping device technical field.
Background technology
The axle that the paper mill coil paper is used all is to use the hollow shaft of cardboard matter basically, and is because cost is low, in light weight.When using aborning, the body paper chuck is stretched in the endoporus at hollow shaft two ends, leans on body paper chuck swelling hollow shaft endoporus and drives its rotation, carries out coil paper or puts paper.
Existing body paper chuck comprises flange mandrel, housing, sliding panel, straight pin and end cap, have axial notch on the flange mandrel outer surface, the flange mandrel is set with housing outward, have axially directed hole on the housing, sliding panel is installed in the pilot hole, the inner surface of sliding panel is an axial notch, between the outer surface of the inner surface of sliding panel and flange mandrel straight pin is installed, and the end of flange mandrel is equipped with end cap.During the rotation of flange mandrel, drive straight pin and roll, straight pin rolls in the groove of sliding panel inner surface and promotes sliding panel and extends radially from pilot hole, and swelling is in the endoporus of coil paper hollow shaft.This body paper chuck can only be used in a kind of refill shaft size of specification, has changed hole dimension in the refill axle of another kind of specification, just must change the body paper chuck of another kind of corresponding specification.Because the scope specification that the body paper chuck uses is single, need to prepare the body paper chuck of plurality of specifications, take a lot of work, time-consuming, increased mechanical spare part and cost.
Summary of the invention
The utility model provides a kind of automatic rotary paper-loosing collet at above-mentioned the deficiencies in the prior art, and this folder head can repack the clamping of more piece combined type chuck with the body paper mandrel that adapts to plurality of specifications into.
The technical scheme that provides according to the utility model, a kind of automatic rotary paper-loosing collet, comprise the flange mandrel, have axial notch on the flange mandrel outer surface, the flange mandrel is set with housing outward, has the pilot hole that endwisely slips on the housing, in the slide-and-guide hole of housing sliding panel is installed, between sliding panel and the flange mandrel straight pin is installed, the axle head of flange mandrel is connected with end cap, and feature is: have axially extending bore in the described flange mandrel.
The further technical scheme of the utility model is:
The cross section of described flange mandrel axial notch is gradually opened circular arc for symmetry, and the outer surface of described sliding panel is the face of cylinder, and the inner surface of described sliding panel is for gradually opening the inner arc combinatorial surface, and the two ends of described sliding panel are provided with the circular arc small boss.
The outer end of described end cap is taper.
Described end cap is connected in the end of described flange mandrel by fastening bolt, and locatees by elastic positioning pin.
The ring flange of described flange mandrel is provided with annular groove, and described housing activity is engaged in the described annular groove.
Be provided with packing ring between the ring flange of described flange mandrel and the described housing.
The two ends of described straight pin are provided with locating ring.
Compared with the prior art the utility model has the following advantages:
1, a tractor serves several purposes can use separately, also can repack more piece combined type folder head into, is used for the body paper mandrel clamping of plurality of specifications size, and repacking is simple, has reduced the quantity of mechanical spare part, has saved cost.
2, the circular arc of gradually opening of the symmetry of flange mandrel axial notch matches with the inner surface of gradually opening the inner arc combinatorial surface of sliding panel, and the tension force of generation is adjusted automatically with the turning moment size.
3, the conical design of end cap end makes the utility model easy for installation, decides the reel center easily, stability of rotation.
4, the sliding panel contact-making surface is big, and pressure is little, has protected refill axle endoporus effectively, has prolonged the service life of refill axle, has reduced the production cost of paper product.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a structure cross-sectional schematic of the present utility model;
Fig. 3 is the A-A cutaway view among Fig. 2;
Fig. 4 is the stereogram of the flange mandrel in the utility model;
Fig. 5 is the main cutaway view of Fig. 4;
Fig. 6 is the B-B cutaway view among Fig. 5;
Fig. 7 is the stereogram of the sliding panel in the utility model;
Fig. 8 is the front view of Fig. 7;
Fig. 9 is the right view of Fig. 8;
Figure 10 is the vertical view of Fig. 8;
Figure 11 is the structure cross-sectional schematic after the utility model repacking.
The specific embodiment
Below in conjunction with the embodiment in the accompanying drawing the utility model is further described.
As Fig. 1～shown in Figure 11, the utility model is by fastening bolt 1, end cap 2, elastic positioning pin 3, locating ring 4, sliding panel 5, housing 6, straight pin 7, packing ring 8, flange mandrel 9, ring flange 10, screw 11, annular groove 12, axial notch 13, through hole 14, blind hole 15, small boss 16, inner surface 17, outer surface 18, hanging bolt 19, the second flange mandrels 20, the second sliding panels 21, the second straight pins 22, second housing, 23, the second locating rings, 24, the second end caps, 25, the second fastening bolts, 26 compositions such as grade.
As shown in Figure 1 and Figure 2, the utility model is a kind of automatic rotary paper-loosing collet, and it comprises flange mandrel 9, sees Fig. 4, Fig. 5, Fig. 6, and flange mandrel 9 is made up of ring flange 10 and mandrel.Have annular groove 12 near the mandrel place on the ring flange 10, the outer circumference of ring flange 10 has screw 11, and flange mandrel 9 is connected on the rotating shaft of external power source by screw 11.Have axial notch 13 on the outer surface of the mandrel of flange mandrel 9, axial notch 13 is preferably six, and its cross section is gradually opened circular arc for symmetry, and the inside of mandrel has center tapped blind hole 15 and six through holes 14 vertically.
Be set with housing 6 outside the flange mandrel 9, housing 6 activities are engaged in the annular groove 12 of flange mandrel 9, and packing ring 8 is installed in the annular groove 12, in order to alleviate the wearing and tearing between ring flange 10 and the housing 6.Have the pilot hole that endwisely slips on the housing 6, the slide-and-guide hole is uniform on circumference, is three in the present embodiment.
In the slide-and-guide hole of housing 6 sliding panel 5 is installed, the quantity of sliding panel 5 is consistent with the quantity in slide-and-guide hole, also is three.As Fig. 7～shown in Figure 10, the outer surface 18 of sliding panel 5 is the face of cylinder, and its inner surface 17 is for gradually opening the inner arc combinatorial surface.The two ends of sliding panel 5 are provided with circular arc small boss 16, and the effect of small boss 16 is to prevent that sliding panel 5 from coming off in the slide-and-guide hole of housing 6.
Between sliding panel 5 and the flange mandrel 9 straight pin 7 is installed, straight pin 7 has six, installs one in each axial notch 13 of flange mandrel 9, and the two ends of straight pin 7 are provided with locating ring 4, and 4 pairs of straight pins 7 of locating ring play the axial location effect.
The axle head of flange mandrel 9 is connected with end cap 2 by fastening bolt 1, and fastening bolt 1 is connected in the center tapped blind hole 15 of flange mandrel 9.The outer end of end cap 2 is taper, play the guiding role, and can easily the utility model be penetrated the hollow shaft of coil paper.Locate by elastic positioning pin 3 between end cap 2 and the flange mandrel 9.
As shown in figure 11, during the utility model repacking, pull down end cap 2, be connected with the second flange mandrel 20 at the axle head of above-mentioned flange mandrel 9 by hanging bolt 19, hanging bolt 19 passes the through hole 14 of flange mandrel 9 and is threaded in the ring flange end of the second flange mandrel 20.Fit on second housing 23, second sliding panel 21 and second straight pin 22 identical again on the second flange mandrel 20 with the utility model folder header structure, the two ends of second straight pin 22 are provided with second locating ring 24, supporting with it second end cap 25 on the axle head of the second flange mandrel 20 changes the outfit, original fastening bolt 1 is changed into second fastening bolt 26 of lengthening, the centre bore that second fastening bolt 26 passes the second flange mandrel 20 is threaded in the center tapped blind hole 15 of flange mandrel 9, makes the utility model become two joint combined rotary automatic dilation paper chucks.
Be not limited to two joint combinations during the utility model repacking, on the basis of the second joint folder head, can also be combined into three joints, depend on the needs until more piece.
The operation principle of the present utility model and the course of work are as follows:
When the flange mandrel rotates; some uniform straight pins roll along the arc surface of gradually opening that is provided with on the flange mandrel outer surface; push sliding panel simultaneously open to radially direction expansion; it is the endoporus of swelling body paper mandrel; when swelling moment during greater than body paper mandrel rotating torque; tension force just can not increase again, has therefore protected the endoporus of body paper mandrel.Sliding panel arc surface and body paper mandrel endoporus contact area are big in addition, and pressure reduces, and the endoporus of not fragile body paper mandrel has prolonged its service life.
The utlity model has following advantage:
1, the utlity model has the advantage of a tractor serves several purposes, can use separately, also can repack more piece Combined paper chuck into, be used for the body paper mandrel clamping of plurality of specifications size, repacking is simple, has reduced the quantity of mechanical spare part, has saved cost.
2, the circular arc of gradually opening of the symmetry of flange mandrel axial notch matches with the inner surface of gradually opening the inner arc combinatorial surface of sliding panel, the tension force that produces is adjusted automatically with the turning moment size, turning moment is big, the tension force of chuck is just big, turning moment is little, and the tension force that chuck can need is also little, does not have tension force without turning moment, 30 ° of radians will unclamp with body paper mandrel endoporus with interior if reverse, and are easy to use.
3, the conical design of end cap end makes the utility model easy for installation, decides easily the reel center, stability of rotation, and reel two ends are avoided axial clamping force, and the axle head that has reduced reel damages.
4, sliding panel swelling refill axle endoporus, contact-making surface is big, and pressure reduces, and adds tension force and can automatically regulate with turning moment, has effectively protected refill axle endoporus, has prolonged the service life of ten hundreds of refill axles, has reduced the production cost of paper product.
Claims (7)
1. automatic rotary paper-loosing collet, comprise flange mandrel (9), have axial notch (13) on flange mandrel (9) outer surface, the outer housing (6) that is set with of flange mandrel (9), housing has the pilot hole that endwisely slips on (6), sliding panel (5) is installed in the slide-and-guide hole of housing (6), between sliding panel (5) and the flange mandrel (9) straight pin (7) is installed, the axle head of flange mandrel (9) is connected with end cap (2), it is characterized in that: have axially extending bore (14) in the described flange mandrel (9).
2. according to the described automatic rotary paper-loosing collet of claim 1, the cross section that it is characterized in that described flange mandrel (9) axial notch (13) is gradually opened circular arc for symmetry, the outer surface (18) of described sliding panel (5) is the face of cylinder, the inner surface (17) of described sliding panel (5) is for gradually opening the inner arc combinatorial surface, and the two ends of described sliding panel (5) are provided with circular arc small boss (16).
3. according to the described automatic rotary paper-loosing collet of claim 1, the outer end that it is characterized in that described end cap (2) is taper.
4. according to the described automatic rotary paper-loosing collet of claim 3, it is characterized in that described end cap (2) is connected in the end of described flange mandrel (9) by fastening bolt (1), and pass through elastic positioning pin (3) location.
5. according to the described automatic rotary paper-loosing collet of claim 1, it is characterized in that the ring flange (10) of described flange mandrel (9) is provided with annular groove (12), described housing (6) activity is engaged in the described annular groove (12).
6. according to the described automatic rotary paper-loosing collet of claim 5, it is characterized in that being provided with packing ring (8) between the ring flange (10) of described flange mandrel (9) and the described housing (6).
7. according to the described automatic rotary paper-loosing collet of claim 1, it is characterized in that the two ends of described straight pin (7) are provided with locating ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201933925U CN201686893U (en) | 2010-05-10 | 2010-05-10 | Rotary automatic expanding and loosening paper clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201933925U CN201686893U (en) | 2010-05-10 | 2010-05-10 | Rotary automatic expanding and loosening paper clip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201686893U true CN201686893U (en) | 2010-12-29 |
Family
ID=43375179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201933925U Expired - Lifetime CN201686893U (en) | 2010-05-10 | 2010-05-10 | Rotary automatic expanding and loosening paper clip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201686893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831833A (en) * | 2010-05-10 | 2010-09-15 | 无锡腾旋技术有限公司 | Rotary automatic expansion-releasing paper collet |
-
2010
- 2010-05-10 CN CN2010201933925U patent/CN201686893U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831833A (en) * | 2010-05-10 | 2010-09-15 | 无锡腾旋技术有限公司 | Rotary automatic expansion-releasing paper collet |
| CN101831833B (en) * | 2010-05-10 | 2011-12-07 | 江苏腾旋科技股份有限公司 | Rotary automatic expansion-releasing paper collet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Tengxuan Technology Co.,Ltd. Assignor: Wuxi Tengxuan Technology Co., Ltd. Contract record no.: 2011320000130 Denomination of utility model: Automatic rotary paper-loosing collet with pushing plate Granted publication date: 20101229 License type: Exclusive License Record date: 20110303 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20101229 Effective date of abandoning: 20120502 |