CN201512668U - Trilobular anti-rapture non-woven pricking pin - Google Patents
Trilobular anti-rapture non-woven pricking pin Download PDFInfo
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- CN201512668U CN201512668U CN2009203095667U CN200920309566U CN201512668U CN 201512668 U CN201512668 U CN 201512668U CN 2009203095667 U CN2009203095667 U CN 2009203095667U CN 200920309566 U CN200920309566 U CN 200920309566U CN 201512668 U CN201512668 U CN 201512668U
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- shank
- operate portions
- trilobal
- pricking pin
- disconnected
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Abstract
The utility model provides a trilobular anti-rapture non-woven pricking pin belonging to the technical field of machinery. The trilobular anti-rapture non-woven pricking pin solves the technical problems of an existing non-woven pricking pin which has lower hardness and worse tensible and anti-fracture intensity, and furthermore, can not satisfy the requirements on fiber entanglement rate. The trilobular anti-rapture non-woven pricking pin comprises a needle rod and a working portion arranged on the end portion of the needle rod, wherein the foremost end of the working portion is provided with a needle point, the working portion is in a prism shape, the cross section of the working portion is in a trilobular shape, and a plurality of hook teeth are arranged on the ridge of the working portion. The trilobular anti-rapture non-woven pricking pi has the advantages of higher rigidity intensity, hardness and anti-fracture, and can further obviously improve the entanglement rate of fibers.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of pricker, the anti-disconnected pricker of particularly a kind of trilobal.
Background technology
In making needle punched non-woven fabrics, the triangle pricker be main also be the most general pricker, it is applied to the manufacturing of all kinds of nonwoven fabric in a large number.In general acupuncture nonwoven production process, no matter rationally the selecting for use of common triangle pricker is in pre-thorn, main thorn or have a shave aspect pin, can satisfy production requirement basically.
But along with the improvement of technology and the raising of nonwoven production requirement, this type of triangle pricker can not be satisfied with new production requirement, the limitation that common triangle working face exists, make it seem beyond one's ability, can't satisfy the bondedfibre fabric production requirement of some high density, high thickness acupuncture effect in application facet such as high strength, crude fibres.In addition, this type of triangle pricker also can't satisfy the requirement on the fibre matting rate.
Find no this by retrieval and be specifically designed to the anti-disconnected type pricker that improves fabric property; therefore; just need invention to be used for the pricker of high strength fabric; on the basis of common pricker, improve and promote the tension of pricker, anti-disconnected property; reach desirable efficiently acupuncture effect, when improving the quality of products, farthest protect fiber again.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, provide a kind of simple in structure, hardness is higher, tension and breaking strength preferably, and can significantly improve the anti-disconnected nonwoven pricking pin of trilobal of fibre matting rate.
The purpose of this utility model can realize by following technical proposal: the anti-disconnected nonwoven pricking pin of a kind of trilobal, comprise shank and the operate portions of being located at shank end, described operate portions has needle point foremost, described operate portions is prism-shaped, it is characterized in that, the cross section of described operate portions is trilobal, is provided with several briar tooths on the operate portions seamed edge.
The anti-disconnected nonwoven pricking pin of this trilobal is specifically designed to production high strength, high-performance bondedfibre fabric.Shank is used for linking with machine, and operate portions is used for the fiber that punctures, and several briar tooths offered on operate portions and adjacent digonous cancave cambered surface that is provided with make this pricker in the processing and manufacturing process of nonwoven fabric, can more effectively bring the fiber of q.s into.The trilobal of operate portions designs, and has given the advantage of this pricker uniqueness, combines powerful working position and equilateral triangle arcs of recesses cross section, make its tensile strength improve, stressed even, improved disconnected anti-wear performance of resisting of pricker greatly, have longer service life; The certain angle of cancave cambered surface has guaranteed the uniformity consistency of fiber in piercing process.The anti-disconnected pricker of this trilobal drops to the degree of injury of fiber minimum when having guaranteed fibre with high-efficiency entanglement rate.
In the anti-disconnected nonwoven pricking pin of above-mentioned trilobal, described operate portions is the triangular column, and is concave arc shape between the two adjacent seamed edges.Be designed to concave arc shape between two seamed edges with operate portions, make the cross section of operate portions compare 8% area approximately less with traditional triangle pricker, the cancave cambered surface and the sharp-pointed relatively corner angle of design make pricker can catch more fiber in piercing process, promote the entanglement rate and the cohesiveness of fiber greatly, thereby reached more intensive acupuncture effect.When the assurance quality of production is reliable and stable, improved the economic benefit of acupuncture greatly.
In the anti-disconnected nonwoven pricking pin of above-mentioned trilobal, described shank is made up of shank one and shank two, and shank one, shank two and above-mentioned operate portions are integral structure.The three is designed to integral structure, makes the firm performance of this pricker better, also reduced the processing technology of making this pricker.
In the anti-disconnected nonwoven pricking pin of above-mentioned trilobal, described shank and operate portions all adopt ZH041 eedle proprietary material to make.The shank and the operate portions that adopt ZH041 eedle proprietary material to make have very high rigidity intensity and hardness, make this pricker have higher anti-disconnected performance and more superior stability like this, have also prolonged the service life of this pricker certainly.
In the anti-disconnected nonwoven pricking pin of above-mentioned trilobal, the external diameter of described shank one is greater than the external diameter of shank two.With the external diameter of shank one external diameter, make this pricker be convenient to puncture greater than shank two.
In the anti-disconnected nonwoven pricking pin of above-mentioned trilobal, described shank one end also has with shank 11 decides the connecting portion of angle.Make things convenient for pricker to be connected by this connecting portion with machine.
Compared with prior art, the anti-disconnected nonwoven pricking pin of this trilobal has the following advantages:
1, the cross section of the operate portions of the anti-disconnected nonwoven pricking pin of this trilobal is a trilobal shape, makes operate portions all have briar tooth in three directions of solid, makes briar tooth bring more fiber into, and stressed even, it is also more even to distribute.
2, every digonous the designed angle of the anti-disconnected nonwoven pricking pin operate portions of this trilobal is consistent the fiber puncture, do not damage fiber when guaranteeing the high entanglement rate of fiber with the seamed edge of certain fillet and the briar tooth on the rib.
3, the shank of the anti-disconnected nonwoven pricking pin of this trilobal and operate portions adopt ZH041 eedle proprietary material to make, and make this pricker have higher rigidity intensity, hardness and anti-disconnected property.
4, the anti-disconnected nonwoven pricking pin applied range of this trilobal, useful fiber thickness scope is big, and some specialty fibers such as various artificial fibres, PP, PET and blended fiber all can be used.Particularly be applied in and make in high thickness, the high grammes per square metre bondedfibre fabric, as purposes such as building, reinforcing, protective articles, geotechnological anti-leakage pads, the anti-disconnected nonwoven pricking pin of this trilobal more can manifest its superiority.
Description of drawings
Fig. 1 is the structural representation of the anti-disconnected nonwoven pricking pin of this trilobal.
Fig. 2 is the structural representation of the anti-disconnected nonwoven pricking pin operate portions of this trilobal.
Fig. 3 is the perspective view of the anti-disconnected nonwoven pricking pin briar tooth of this trilobal.
Fig. 4 is the cross section structure schematic diagram of the anti-disconnected nonwoven pricking pin operate portions of this trilobal.
Among the figure, 1, shank; 11, shank one; 11a, connecting portion; 12, shank two; 2, operate portions; 21, needle point; 3, briar tooth; 4, cross section.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As depicted in figs. 1 and 2, the anti-disconnected nonwoven pricking pin of this trilobal, comprise shank 1 and the operate portions 2 of being located at shank 1 end, described operate portions 2 has needle point 21 foremost, described operate portions 2 is prism-shaped, the cross section 4 of described operate portions 2 is trilobal, is provided with several briar tooths 3 on operate portions 2 seamed edges.
Particularly, the quantity of described briar tooth 3 is 6, and briar tooth 3 is locally-shaped briar tooth.Distance between per two adjacent briar tooths 3 is roughly 3.3mm.Briar tooth 3 is designed to locally-shaped briar tooth, cutting cavetto shape in the briar tooth base is designed to, the service life that can improve ABRASION RESISTANCE and prolongation pricker greatly.
In the anti-disconnected nonwoven pricking pin of this trilobal, described operate portions 2 is the triangular column, and is concave arc shape between the two adjacent seamed edges.Be designed to concave arc shape between two seamed edges with operate portions 2, make the cross section 4 of operate portions 2 compare 8% area approximately less with traditional triangle pricker, the cancave cambered surface and the sharp-pointed relatively corner angle of design make pricker can catch more fiber in piercing process, promote the entanglement rate and the cohesiveness of fiber greatly, thereby reached more intensive acupuncture effect.When the assurance quality of production is reliable and stable, improved the economic benefit of acupuncture greatly.
The cross section 4 of the operate portions 2 of the anti-disconnected nonwoven pricking pin of this trilobal is a trilobal shape, the hem width of this trilobal is according to different size, can make 0.65～0.8mm, the design that the cross section 4 of operate portions 2 is provided with, improve the fiber band gross weight, also guarantee simultaneously the uniformity of fiber puncture, in addition, also improved the anti-disconnected performance of pricker greatly.
The external diameter of the shank 1 of this pricker is greater than the external diameter of shank 2 12.With the external diameter of shank 1 external diameter, make this pricker be convenient to puncture greater than shank 2 12.And shank 1, shank 2 12 and operate portions 2 all adopt intensity, the higher material of hardness to make, as materials such as ZH041.Shank 1, shank 2 12 and the operate portions 2 made by these materials make this pricker obtain higher intensity and hardness.
Also have the connecting portion 11a angled with shank 1 in shank one 11 ends.This angle is 90 degree in the present embodiment, makes things convenient for pricker to be connected with machine by this connecting portion 11a.
The anti-disconnected nonwoven pricking pin of this trilobal is suitable for production high strength, high-performance bondedfibre fabric.Shank 1 is used for linking with machine, and operate portions 2 is used for puncturing, and offers several briar tooths 3 on operate portions 2, makes this pricker in the manufacture process of bondedfibre fabric, can bring the fiber of q.s into.And operate portions 2 is designed to trilobal shape, three directions in solid of operate portions 2 all have briar tooth 3 like this, the fiber that briar tooth 3 is brought into is more even, and the locally-shaped briar tooth 3 and the design of trifoil cross-section 4 have promoted the anti-disconnected performance and the service life of pricker largely.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used 1, shank morely; 11, shank one; 11a, connecting portion; 12, shank two; 2, operate portions; 21, needle point; 3, locally-shaped briar tooth; 4, cross section; Deng term, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (6)
1. a trilobal resists disconnected nonwoven pricking pin, comprise shank (1) and be located at the operate portions (2) of shank (1) end, described operate portions (2) has needle point (21) foremost, described operate portions (2) is prism-shaped, it is characterized in that, the cross section (4) of described operate portions (2) is trilobal, is provided with several briar tooths (3) on operate portions (2) seamed edge.
2. the anti-disconnected nonwoven pricking pin of trilobal according to claim 1 is characterized in that described operate portions (2) is the triangular column, and is concave arc shape between the two adjacent seamed edges.
3. the anti-disconnected nonwoven pricking pin of trilobal according to claim 1 and 2 is characterized in that described shank (1) is made up of shank one (11) and shank two (12), and shank one (11), shank two (12) and above-mentioned operate portions (2) are integral structure.
4. the anti-disconnected nonwoven pricking pin of trilobal according to claim 3 is characterized in that described shank one (11), shank two (12) and operate portions (2) all adopt intensity, the higher material of hardness to make.
5. the anti-disconnected nonwoven pricking pin of trilobal according to claim 4 is characterized in that the external diameter of described shank one (11) is greater than the external diameter of shank two (12).
6. the anti-disconnected nonwoven pricking pin of trilobal according to claim 5 is characterized in that, described shank one (11) end also has the connecting portion (11a) angled with shank one (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203095667U CN201512668U (en) | 2009-09-03 | 2009-09-03 | Trilobular anti-rapture non-woven pricking pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203095667U CN201512668U (en) | 2009-09-03 | 2009-09-03 | Trilobular anti-rapture non-woven pricking pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201512668U true CN201512668U (en) | 2010-06-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203095667U Expired - Lifetime CN201512668U (en) | 2009-09-03 | 2009-09-03 | Trilobular anti-rapture non-woven pricking pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201512668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790125A (en) * | 2015-04-24 | 2015-07-22 | 寿光市发达布业有限公司 | Felting needle for glass fiber polyester spunbond non-woven fabric |
| CN112030373A (en) * | 2020-05-22 | 2020-12-04 | 上海丰威织针制造有限公司 | Curved surface pricking pin and manufacturing method thereof |
-
2009
- 2009-09-03 CN CN2009203095667U patent/CN201512668U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790125A (en) * | 2015-04-24 | 2015-07-22 | 寿光市发达布业有限公司 | Felting needle for glass fiber polyester spunbond non-woven fabric |
| CN112030373A (en) * | 2020-05-22 | 2020-12-04 | 上海丰威织针制造有限公司 | Curved surface pricking pin and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100623 |