CN210104299U - Small-gap anti-needle-drop protection clamp - Google Patents
Small-gap anti-needle-drop protection clamp Download PDFInfo
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- CN210104299U CN210104299U CN201920626281.XU CN201920626281U CN210104299U CN 210104299 U CN210104299 U CN 210104299U CN 201920626281 U CN201920626281 U CN 201920626281U CN 210104299 U CN210104299 U CN 210104299U
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Abstract
The utility model discloses a small gap anticreep needle protection presss from both sides, include through the elastic component mutually support and realize falling the last clamping piece and the lower clamping piece that press from both sides the switching between the state and play, it includes the main part and buckles back slope downwardly extending's blank pressing from the main part top to go up the clamping piece, the transverse width of blank pressing is greater than or equal to the transverse width of main part with the transverse width of clamping piece down. The utility model provides a little clearance anticreep needle protection presss from both sides, the transverse width of blank pressing is more than or equal to the transverse width of main part with the transverse width of clamping piece down, through the transverse width who strengthens the blank pressing on the anticreep needle protection clamp, reduce the clearance between the adjacent anticreep needle protection clamp, increase the pressure and press from both sides the position, prevent that the selvedge from being blown by wind, avoid leading to the selvedge unevenness.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a small gap anticreep needle protection is pressed from both sides, especially an assembly is used for carrying out the anticreep needle protection of relative positioning to the cloth that expandes on the boarding machine and is pressed from both sides.
[ background of the invention ]
Chinese utility model patent CN203855811U discloses a booth clearance anticreep needle protection presss from both sides, and this novel anticreep needle protection presss from both sides can make the elastic component on the novel anticreep needle protection clamp be difficult for being wounded and fall out by the end of a thread winding of cloth, and the elastic component damage probability reduces greatly. This novel anticreep needle protection presss from both sides installs on the machine, carries out the relative positioning to the cloth that expandes, fixes a position the cloth on the faller, but the lateral width of the blank holder of this novel anticreep needle protection clamp is less than the lateral width of main part for clearance between this novel anticreep needle protection clamp is too big, leads to the selvedge can be got up by the wind and breaks away from the faller, the selvedge unevenness behind the off-the-machine.
[ Utility model ] content
The utility model discloses solved when the cloth is pressed from both sides tightly and is fixed a position, the clearance between the anticreep needle protection clamp is too big, leads to the selvedge can be blown by wind, the technical problem of selvedge unevenness, the utility model provides a booth clearance anticreep needle protection clamp, the transverse width of blank pressing is greater than or equal to the transverse width of main part with the transverse width of lower clamping piece through increasing the transverse width of the blank pressing on the anticreep needle protection clamp, reduces the clearance between the adjacent anticreep needle protection clamp, increases and presses the clamp position, prevents that the selvedge from being blown by wind, avoids leading to the selvedge unevenness.
The utility model discloses a realize through following technical scheme:
the utility model provides a small-gap anticreep needle protection presss from both sides, includes through the last clamping piece and the lower clamping piece that elastic component mutually supported and realized falling the switching between the clamp state and the clamp state, it includes the main part and the blank pressing that slopes downwardly extending after buckling from the main part top to go up the clamping piece, the transverse width of blank pressing is more than or equal to the transverse width of main part with the transverse width of clamping piece down.
According to the small-gap needle-drop-preventing protection clamp, the edge pressing comprises an upper edge pressing part and a lower edge pressing part, and L1 is satisfied between the transverse width L1 of the upper edge pressing part and the transverse width L2 of the lower edge pressing part, wherein L2 is 0.8-1: 1.
according to the small-gap anti-drop needle protection clamp, the edge pressing is in a trapezoid shape, and the transverse width of the edge pressing is gradually increased from top to bottom.
According to the small-gap anti-drop needle protection clamp, the lower edge pressing portion comprises edge pressing faces facing downwards, and round corners are arranged on the edge pressing faces along two ends of the direction of the transverse width L2 of the lower edge pressing portion.
According to the small-gap needle-drop-preventing protection clamp, the radius R1 of the fillet and the transverse width L3 of the edge pressing face satisfy the following conditions that R1: L3 is 0.01-0.1: 1.
in the small-gap needle-drop-preventing protective clip, the bending angle α between the pressing edge and the main body part ranges from 40 degrees to 80 degrees.
Preferably, the bend angle α between the crimp portion and the body portion is 65 °.
As above a small gap anticreep needle protection presss from both sides, the clamping piece includes the installation department down, install the spacer on the installation department, be equipped with a plurality of bellied pilot pins that make progress on the spacer, the blank pressing with the axis of pilot pin is parallel.
According to the small-gap anti-falling needle protection clamp, the positioning piece is further provided with the upwarping end which is bent towards the upward clamping piece, the positioning needle is arranged on the upwarping end, and the edge pressing surface is parallel to the upwarping end.
Compared with the prior art, the utility model discloses an there are following advantage: the transverse width of the side pressing is larger than or equal to that of the main body part and that of the lower clamping piece, the transverse width of the side pressing on the anti-drop needle protection clamp is increased, so that the gap between the adjacent anti-drop needle protection clamps is reduced, the position of the pressure clamp is increased, cloth edges are prevented from being blown by wind, and unevenness of the cloth edges is avoided.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of the utility model disclosed in chinese utility model patent CN203855811U in an inverted clamping state;
fig. 2 is a first schematic structural view of the utility model in the inverted clamping state;
FIG. 3 is an exploded view of the structure of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 2;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 6 is a schematic structural view of the present invention in a clipping-up state;
fig. 7 is a first schematic view of the present invention;
fig. 8 is a second schematic structural view of the present invention in the inverted clipping state;
fig. 9 is a third schematic structural view of the present invention in the inverted clipping state;
fig. 10 is a fourth schematic structural view of the present invention in the inverted clamping state;
fig. 11 is a top view of the present invention;
fig. 12 is a second schematic view of the present invention;
[ detailed description ] embodiments
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 2 to 12, a small-gap needle drop-preventing protective clip is mainly assembled on a setting machine and used for relatively positioning spread cloth, and comprises an upper clip 1 and a lower clip 2 which are mutually matched through an elastic piece 3 and realize switching between a reversed clipping state and a clamping state, wherein the upper clip 1 comprises a main body part 10 and a blank pressing edge 15 which is bent from the upper part of the main body part 10 and then obliquely extends downwards, and the transverse width of the blank pressing edge 15 is greater than or equal to that of the main body part 10 and that of the lower clip 2.
The transverse width of the side pressing is larger than or equal to that of the main body part and that of the lower clamping piece, the transverse width of the side pressing on the anti-drop needle protection clamp is increased, so that the gap between the adjacent anti-drop needle protection clamps is reduced, the position of the pressure clamp is increased, cloth edges are prevented from being blown by wind, and unevenness of the cloth edges is avoided.
Further, as shown in fig. 9, the binder 15 includes a binder upper portion 151 and a binder lower portion 152, and a transverse width L1 of the binder upper portion 151 and a transverse width L2 of the binder lower portion 152 satisfy L1, where L2 is 0.8-1: 1. and when the ratio of L1 to L2 is 0.8-1: 1, the transverse width of the pressing edge is larger than or equal to the transverse width of the main body part and the transverse width of the lower clamping piece, and unstable clamping caused by overlong transverse width L2 at the lower part of the pressing edge can be avoided.
Still further, as a preferred embodiment of the present invention, but not limited thereto, the width between the lateral width L1 of the upper binder part 151 and the lateral width L2 of the lower binder part 152 satisfies L1: L2: 0.94: 1.
Further, as shown in fig. 6, 8 to 12, the pressing edge is in a trapezoidal shape with a width gradually increasing from top to bottom. The trapezoidal structure is a more stable structure, when the blank holder lower part receives great power, is difficult to lead to the blank holder to be destroyed.
Still further, as shown in fig. 2, 3, 6, 8 and 10, the lower binder part 152 includes a binder surface 152a facing downward, and the binder surface 152a is provided with a fillet 153 along two end edges of the binder lower part 152 in the direction of the transverse width L2. The rounded corners are provided to prevent sharp edges from damaging the cloth.
Still further, a radius R1 of the fillet 153 and a transverse width L3 of the binder face 152a satisfy R1: L3 is 0.01-0.1: 1.
still further, as a preferred embodiment of the present disclosure, but not limited thereto, a radius R1 of the rounded corner 153 and a transverse width L3 of the binder face 152a satisfy R1: L3 ═ 0.027. The radius of fillet is bigger, can lead to the tangent point between fillet and the blank holder to be more nearly toward blank holder center, makes and leaves the space between fillet department and the cloth, is unfavorable for the location cloth.
Still further, the bending angle α between the blank holder 15 and the main body 10 is in the range of 40 ° to 80 °, the bending angle α is in the range of 40 ° to 80 °, an excessively large bending angle easily causes flattening between the blank holder and the main body, the height of clamping is reduced, and an excessively small bending angle easily causes excessive bending of the upper clip, so that stress concentration at the bending part is caused, and the upper clip is easily damaged.
Still further, as a preferred embodiment of the present invention, but not limited thereto, the bending angle α between the binder 15 and the main body 10 is 65 °, and the bending angle α is 65 ° which is advantageous for positioning the fabric and does not cause stress concentration due to excessive bending.
Furthermore, lower clamping piece 2 includes installation department 23, install spacer 5 on the installation department 23, be equipped with a plurality of bellied pilot pins 51 that make progress on spacer 5, blank pressing 15 with the axis of pilot pin 51 is parallel. The blank pressing is parallel to the axis of the positioning needle, namely the cloth is positioned relatively from two directions vertical to the cloth, so that the cloth is prevented from being damaged by slipping caused by the staggered direction of the force applied to the cloth, and the relative positioning of the cloth is facilitated.
Still further, the positioning plate 5 is further provided with an upturned end 52 bent towards the upward pressing plate 1, the positioning needle 51 is arranged on the upturned end 52, and the edge pressing surface 152a is parallel to the upturned end 52. The parallel of blank pressing face with the end that upwarps is favorable to making the cloth be positioned in the plane that blank pressing face and end that upwarps are located, increases the centre gripping area.
Still further, go up and be equipped with first cooperation portion 41 and second cooperation portion 42 between clamping piece 1 and the lower clamping piece 2, go up clamping piece 1 can first cooperation portion 41 and second cooperation portion 42 rotate and realize falling the switching between the clamp state and the clamp state for clamping piece 2 down relatively for the axle center, elastic component 3 is located between first cooperation portion 41 and the second cooperation portion 42.
Still further, as shown in fig. 3, a first supporting portion 21 and a second supporting portion 22 are provided on the lower clip 2; the upper clamping piece 1 is provided with a first abutting part 11 and a second abutting part 12; the first abutting part 11 and the first bearing part 21 are matched to form the first matching part 41, and the second abutting part 12 and the second bearing part 22 are matched to form the second matching part 42; one end of the elastic element 3 is arranged between the first bearing part 21 and the second bearing part 22, and the other end is arranged between the first abutting part 11 and the second abutting part 12.
Still further, the first bearing part 21 and the second bearing part 22 are arranged at intervals; the first abutment 11 and the second abutment 12 are likewise arranged at a distance from one another.
Specifically, as shown in fig. 3, the lower clip 2 includes an installation portion 23, two clip-lifting limiting portions 24 extending obliquely upward from one side of the installation portion 23 and disposed at intervals, and inverted clip limiting portions 25 corresponding to the respective clip-lifting limiting portions 24 and connected to each other at a certain angle, where the first bearing portion 21 and the second bearing portion 22 are formed at the connection between the respective clip-lifting limiting portions 24 and the corresponding inverted clip limiting portions 25; the upper clamping piece 1 comprises a main body part 10 and a blank holder 15 which is bent from the upper side of the main body part 10 and then extends downwards in an inclined mode, a clearance groove 14 is formed in the main body part 10, and the clearance groove 14 divides the lower edge of the main body part 10 into a first abutting part 11 and a second abutting part 12 which are arranged at intervals.
Furthermore, the first supporting portion 21 and the second supporting portion 22 are respectively provided with an assembling hole 26, the first abutting portion 11 and the second abutting portion 12 are respectively provided with an inserting portion 16 protruding downwards and corresponding to the assembling hole 26, and the inserting portions 16 are respectively inserted into the corresponding assembling holes 26. Still further, the assembly hole 26 is a closed assembly hole, and the insertion part 16 is an arc-shaped insertion part. Still further, a first connection hole 230 is formed on the mounting portion 23 of the lower clip 2 between the first support portion 21 and the second support portion 22; a second connecting hole 100 is formed in the main body 10 of the upper clip 1 above the clearance groove 14; the elastic member 3 is a tension spring, one end of which is connected to the first connection hole 230 and the other end of which is connected to the second connection hole 100.
The working principle of the utility model is as follows:
the inverted clamping state is shown in fig. 2 and fig. 8, at this time, the inner surface of the main body part 10 of the upper clamping piece 1 abuts against the inverted clamping limiting part 25 of the lower clamping piece 2, and in this state, the anti-needle-falling protection clamp of the utility model can perform relative positioning on the expanded cloth (not shown in the figure) in the drying and conveying treatment process. Specifically, as shown in fig. 8, when the utility model discloses when installing on cloth conveyor, can install one on the installation department 23 of lower clamping piece 2 and be equipped with a plurality of bellied spacer pins 51's that make progress spacer 5, the utility model discloses when being in the fall-clamping state, the blank pressing 15 of clamping piece 1 can cooperate with the spacer pin 51 on the spacer 5 on it, and the cloth that makes the expansion can be relatively positioned between upper clamping piece 1 and lower clamping piece 2 in the stoving transport processing technology.
The clamping state is shown in fig. 6, at this time, the outer surface of the main body 10 of the upper clamping piece 1 abuts against the clamping limiting part 24 of the lower clamping piece 2, and in this state, the anti-needle-slip protection clamp of the present invention can release the relative positioning of the cloth (not shown in the figure).
The transverse width of the side pressing is larger than or equal to that of the main body part and that of the lower clamping piece, the transverse width of the side pressing on the anti-drop needle protection clamp is increased, so that the gap between the adjacent anti-drop needle protection clamps is reduced, the position of the pressure clamp is increased, cloth edges are prevented from being blown by wind, and unevenness of the cloth edges is avoided.
The foregoing is illustrative of one embodiment provided in connection with the detailed description and is not intended to limit the disclosure to the particular embodiments described. Similar or identical methods, structures, etc. as used herein, or several technical deductions or substitutions made on the premise of the idea of the present application, should be considered as the protection scope of the present application.
Claims (9)
1. The utility model provides a small gap anticreep needle protection presss from both sides, includes through the elastic component mutually support and realize falling the last clamping piece and the lower clamping piece that press from both sides the switching between the state and the clamp state, it includes the main part and buckles the blank pressing that the back slope downwardly extending from the main part top to go up the clamping piece, its characterized in that: the lateral width of the blank holder is greater than or equal to the lateral width of the main body part and the lateral width of the lower clamping piece.
2. A small gap anti-drop needle guard clip as claimed in claim 1, wherein: the blank pressing comprises a blank pressing upper portion and a blank pressing lower portion, and L1 is met between the transverse width L1 of the blank pressing upper portion and the transverse width L2 of the blank pressing lower portion, wherein L2 is 0.8-1: 1.
3. a small gap anti-drop needle guard clip as claimed in claim 2, wherein: the edge pressing is in a trapezoid shape with the transverse width gradually increasing from top to bottom.
4. A small gap anti-drop needle guard clip as claimed in claim 2, wherein: the lower part of the blank holder comprises a blank holder face facing downwards, and round corners are arranged on the blank holder face along the edges of two ends of the transverse width L2 direction of the lower part of the blank holder.
5. A small-gap anti-drop needle guard clip as claimed in claim 4, wherein: and the radius R1 of the fillet and the transverse width L3 of the edge pressing face meet the requirements that R1 is equal to L3, and the ratio is 0.01-0.1: 1.
6. the small-gap needle-drop-preventing protective clamp as claimed in claim 1, wherein the bending angle α between the pressing edge and the main body portion ranges from 40 ° to 80 °.
7. The small-gap needle-drop-preventing protection clamp as claimed in claim 6, wherein the bending angle α between the pressing edge and the main body part is 65 °.
8. A small gap anti-drop needle guard clip as claimed in claim 1, wherein: the lower clamping piece comprises an installation part, a positioning piece is installed on the installation part, a plurality of upwards-protruding positioning needles are arranged on the positioning piece, and the blank pressing is parallel to the axis of the positioning needles.
9. A small gap anti-drop needle guard clip as claimed in claim 8, wherein: the positioning piece is further provided with an upwarping end which is bent towards the upward clamping piece, the positioning needle is arranged on the upwarping end, and the edge pressing surface is parallel to the upwarping end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920626281.XU CN210104299U (en) | 2019-04-30 | 2019-04-30 | Small-gap anti-needle-drop protection clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920626281.XU CN210104299U (en) | 2019-04-30 | 2019-04-30 | Small-gap anti-needle-drop protection clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210104299U true CN210104299U (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920626281.XU Active CN210104299U (en) | 2019-04-30 | 2019-04-30 | Small-gap anti-needle-drop protection clamp |
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| Country | Link |
|---|---|
| CN (1) | CN210104299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022148505A3 (en) * | 2021-12-15 | 2022-10-13 | 江苏小太阳技术发展有限公司 | Steel plate needle seat fabric-pressing clip not prone to dead angle being formed |
-
2019
- 2019-04-30 CN CN201920626281.XU patent/CN210104299U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022148505A3 (en) * | 2021-12-15 | 2022-10-13 | 江苏小太阳技术发展有限公司 | Steel plate needle seat fabric-pressing clip not prone to dead angle being formed |
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