CN213772459U - Inverted tooth-shaped needle for non-woven fabric needling machine - Google Patents
Inverted tooth-shaped needle for non-woven fabric needling machine Download PDFInfo
- Publication number
- CN213772459U CN213772459U CN202021956945.8U CN202021956945U CN213772459U CN 213772459 U CN213772459 U CN 213772459U CN 202021956945 U CN202021956945 U CN 202021956945U CN 213772459 U CN213772459 U CN 213772459U
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- needle
- tooth
- puncture section
- section
- barb
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 27
- 238000001467 acupuncture Methods 0.000 claims abstract description 4
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 abstract description 15
- 239000000835 fiber Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- Nonwoven Fabrics (AREA)
Abstract
The utility model discloses a pawl shape needle that non-woven fabrics acupuncture machine was used, including needle handle, needle bar, puncture section, the tip of puncture section is equipped with the needle point, the puncture section is outer along keeping away from needle point direction slant and extending a plurality of barb teeth, and the barb tooth is kept away from and is equipped with the tooth mouth between one side of needle point and the puncture section, the diameter of needle bar is greater than the diameter of puncture section, needle handle and needle bar link to each other perpendicularly, the undercut angle of barb tooth is 22 ~ 26. The utility model has the advantages of obvious napping, large traction fiber amount, difficult hair clamping and reduced damage to the base fabric material in the process of puncture, etc.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of weaving needle, especially, relate to a pawl shape needle that non-woven fabrics acupuncture machine was used.
[ background of the invention ]
The inverted tooth-shaped needle is a needle body for processing and producing needle-punched non-woven fabrics on a non-woven fabric needle machine, and generally, the inverted tooth-shaped needle needs to be arranged on a needle holder of the non-woven fabric needle machine to puncture the needle on a limit net layer at high speed up and down by dense needles so as to enable the limit to be intertwined with each other to form various non-woven fabrics. The inverted tooth-shaped needle generally comprises a needle point and a needle rod, the prior inverted tooth-shaped needle has unobvious napping before and after puncture and small fiber traction amount, and the base fabric material and the card hair can be damaged due to the overlarge angle of inverted hook teeth on the inverted tooth-shaped needle, so that the quality of the fabric is influenced.
[ Utility model ] content
The utility model aims at solving the problems in the prior art and providing a pawl-shaped needle for a non-woven fabric needling machine, which can make the raising obvious and draw the fiber quantity large, and the puncture process is not easy to clamp the hair and reduce the damage to the base fabric material.
In order to realize the above object, the utility model provides a pawl shape needle that non-woven fabrics acupuncture machine was used, including needle handle, needle bar, puncture section, the tip of puncture section is equipped with the needle point, the puncture section is outer along keeping away from needle point direction slant towards extending a plurality of barb teeth, and barb tooth is kept away from one side of needle point and is equipped with the tooth mouth between the puncture section, the diameter of needle bar is greater than the diameter of puncture section, needle handle and needle bar link to each other perpendicularly, the lower corner cut of barb tooth is 22 ~ 26.
Preferably, the inverted tooth-shaped needle further comprises at least one section of needle body, the diameter of the needle body is between the diameter of the needle rod and the diameter of the puncture section, the length of the inverted tooth-shaped needle is increased, the elasticity of a product is improved, and the production requirement is better met.
Preferably, the needle bar and the needle body as well as the needle body and the puncture section are integrally connected through a connecting part, the outer edge of the connecting part is gradually narrowed from left to right, and the inverted tooth-shaped needle is smoothly punctured through the continuous reducing design.
Preferably, the longitudinal section of the puncture section is in a regular triangle shape with a round corner, three rows of barb teeth are integrally arranged on the outer edge of the puncture section, and the three rows of barb teeth are respectively positioned on three edges of the outer edge of the puncture section, so that the barb teeth are uniformly distributed, the stress is uniform in the puncture process, and the textile fibers can be better driven.
Preferably, the needle point is a conical needle point or a ball-head-shaped needle point, so that the working section can smoothly penetrate into the fiber fabric.
Preferably, the undercut angle of the barb teeth is 24 degrees, so that the barb teeth needle is not easy to block hair and reduce damage to base fabric materials in the puncturing process, the service life of the barb teeth needle is long, and the quality of fabrics is ensured.
Preferably, an arc transition section is arranged between the bottom of the barb tooth and the tooth mouth, so that the resistance in the puncture process is reduced.
Preferably, the needle handle and the surface of the needle rod are provided with magnetic absorption layers, and the inverted tooth-shaped needle can be stably installed on the needle holder through the magnetic absorption effect.
Preferably, the outer edge surface of the needle rod is provided with a clamping groove, and the clamping groove is matched with a channel on the needle holder, so that the inverted tooth-shaped needle can be stably installed on the needle holder.
The utility model has the advantages that: the utility model discloses a with puncture section outer edge towards keeping away from needle point direction slant extend a plurality of barb teeth, the undercut angle of barb tooth is 22 ~ 26, be equipped with the tooth mouth between barb tooth and the puncture section, the barb tooth with needle point orientation reverse design makes the barb tooth needle fabric surface pile up obvious behind the puncture fabric, barb tooth and tooth mouth make the puncture in-process pull the fibre volume big, the undercut angle of barb tooth reasonable design makes the barb tooth needle puncture in-process difficult card hair and reduce the harm to the backer material; the needle handle is vertically connected with the needle rod, so that the inverted tooth-shaped needle is conveniently arranged on a needle holder of the non-woven fabric needle machine; the diameter of the needle rod is larger than that of the puncture section, and the inverted tooth-shaped needle can puncture smoothly due to the reducing design.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic view of an embodiment 1 of a reverse tooth-shaped needle for a nonwoven fabric needling machine according to the present invention;
FIG. 2 is a partial schematic view of a piercing section of a inverted-tooth needle for a nonwoven fabric needling machine according to the present invention;
FIG. 3 is a longitudinal sectional view of a piercing section of a pawl-shaped needle for a nonwoven fabric needling machine according to the present invention;
fig. 4 is a schematic view of the inverted tooth-shaped needle for the nonwoven fabric needling machine of the present invention.
In the figure: 1-needle bar, 2-needle handle, 3-needle body, 4-puncture section, 5-needle holder, 41-barb tooth and 42-tooth mouth.
[ detailed description ] embodiments
the diameter of the needle body 3 is between the diameters of the needle rod 1 and the puncture section 4, the needle rod 1 and the needle body 3 and the puncture section 4 are integrally connected through a connecting part, the outer edge of the connecting part is gradually narrowed from left to right, the connecting part is in a circular truncated cone shape, and the center of the needle rod 1, the center of the needle body 3 and the center of the puncture section 4 are on the same straight line;
the main body of the puncture section 4 is in a triangular prism shape, the longitudinal section of the puncture section 4 is in a regular triangle shape with a round corner, three rows of barb teeth 41 are integrally arranged on the outer edge of the puncture section 4, the three rows of barb teeth 41 are respectively positioned on three edges of the outer edge of the puncture section 4, and the number of the puncture sections 4 in each row is 2;
the surfaces of the needle handle 2 and the needle bar 1 are provided with magnetic absorption layers, and the needle point is a conical needle point;
an arc transition section is arranged between the bottom of the barb tooth 41 and the tooth mouth 42, magnetic absorption layers are arranged on the surfaces of the needle handle 2 and the needle bar 1, and a clamping groove is arranged on the outer edge surface of the needle bar 1.
The working process of the embodiment is as follows: the inverted tooth-shaped needle is arranged on a needle holder of a non-woven fabric needle machine in a matching way for processing and producing needle-punched non-woven fabrics, when the piercing section 4 pierces the fabrics, the inverted hook teeth 41 form raising on the front surface of the fabrics on the back surface of the fabrics, when the puncture section 4 exits the fabric, the barb teeth 41 opposite to the needle point can lock a large amount of fibers and drive the fibers to have large amount, so as to form raising on the reverse side of the fabric, and the barb-shaped needle can puncture the fabric once to complete two-sided fuzzing, wherein, the user can select the quantity, the arrangement mode and the length, the degree of depth, the height of barb tooth 41 according to the production demand, and needle handle 2 and needle bar 1 are connected the design perpendicularly so that the stable installation of barb shape needle is on the needle holder, and the magnetism layer on needle handle 2 and needle bar 1 surface makes needle handle 2, needle bar 1 and needle holder mutual fastening, and the draw-in groove of needle bar 1 outer edge can agree with each other with the passageway on the needle holder.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (9)
1. The utility model provides a pawl shape needle that non-woven fabrics acupuncture machine was used, includes needle bar, puncture section, the tip of puncture section is equipped with needle point, its characterized in that: the needle comprises a needle body, and is characterized by further comprising a needle handle, wherein a plurality of barb teeth extend obliquely from the outer edge of the puncture section towards the direction away from the needle point, a tooth opening is formed between one side of each barb tooth away from the needle point and the puncture section, the diameter of the needle rod is larger than that of the puncture section, the needle handle is vertically connected with the needle rod, and the undercut angle of each barb tooth is 22-26 degrees.
2. The inverted tooth-shaped needle for a nonwoven fabric needling machine according to claim 1, characterized in that: the inverted tooth-shaped needle also comprises at least one section of needle body, and the diameter of the needle body is between the diameters of the needle rod and the puncture section.
3. The inverted tooth-shaped needle for a nonwoven fabric needling machine according to claim 2, characterized in that: the needle rod and the needle body are integrally connected through connecting parts, and the needle body and the puncture section are integrally connected through connecting parts, and the outer edge of each connecting part is gradually narrowed from left to right.
4. The inverted tooth-shaped needle for a nonwoven fabric needling machine according to claim 1, characterized in that: the puncture section is characterized in that the longitudinal section of the puncture section is in a regular triangle shape with a round angle, three rows of barb teeth are integrally arranged on the outer edge of the puncture section, and the three rows of barb teeth are respectively positioned on three edges of the outer edge of the puncture section.
5. The inverted tooth-shaped needle for a nonwoven fabric needling machine according to claim 1, characterized in that: the needle point is a conical needle point or a ball-head-shaped needle point.
6. The inverted tooth-shaped needle for a nonwoven fabric needling machine according to claim 1, characterized in that: the undercut angle of the barb teeth is 24 °.
7. The inverted tooth-shaped needle for a nonwoven fabric needling machine according to claim 1, characterized in that: and an arc transition section is arranged between the bottom of the barb tooth and the tooth mouth.
8. The inverted tooth-shaped needle for a nonwoven fabric needling machine according to claim 1, characterized in that: the needle handle and the surface of the needle rod are provided with magnetic absorption layers.
9. The inverted tooth-shaped needle for a nonwoven fabric needling machine according to claim 1, characterized in that: the outer edge surface of the needle rod is provided with a clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021956945.8U CN213772459U (en) | 2020-09-09 | 2020-09-09 | Inverted tooth-shaped needle for non-woven fabric needling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021956945.8U CN213772459U (en) | 2020-09-09 | 2020-09-09 | Inverted tooth-shaped needle for non-woven fabric needling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213772459U true CN213772459U (en) | 2021-07-23 |
Family
ID=76904216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021956945.8U Active CN213772459U (en) | 2020-09-09 | 2020-09-09 | Inverted tooth-shaped needle for non-woven fabric needling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213772459U (en) |
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2020
- 2020-09-09 CN CN202021956945.8U patent/CN213772459U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A reverse toothed needle for non-woven fabric needle punching machine Effective date of registration: 20231018 Granted publication date: 20210723 Pledgee: Zhejiang Tailong commercial bank Taizhou branch of Limited by Share Ltd. Pledgor: Taizhou Yuxing Make Needle Co.,Ltd. Registration number: Y2023980061468 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |