CN104357975A - Combined type upper pin - Google Patents
Combined type upper pin Download PDFInfo
- Publication number
- CN104357975A CN104357975A CN201410530362.1A CN201410530362A CN104357975A CN 104357975 A CN104357975 A CN 104357975A CN 201410530362 A CN201410530362 A CN 201410530362A CN 104357975 A CN104357975 A CN 104357975A
- Authority
- CN
- China
- Prior art keywords
- jaw plate
- combined type
- upper pin
- groove
- reversing frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/86—Aprons; Apron supports; Apron tensioning arrangements
- D01H5/88—Cradles; Tensors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to a combined type upper pin. A jaw plate is V-shaped; a rotary frame is mounted on one edge of the jaw plate; an outward circular boss is arranged on the other edge of the jaw plate; two inward square bosses are arranged on each of the two sides of the circular boss on the jaw plate; two antifriction clamps are fixed on the jaw plate through the square bosses; a box body is manufactured in the middle of the rotary frame; a groove is formed in the box body; holding grooves mounted with upper rollers are manufactured on the two sides of the rotary frame; a partial pressure block is mounted in the groove in the box body of the rotary frame; the diameter of the inlet of each of the holding grooves is 0.1-1 mm smaller than that of the upper roller; the top of the partial pressure block is circular-arc-shaped. According to the combined type upper pin, an upper pin spring is not needed, pressure is decomposed in a levering manner, the jaw pressure is accurate, the abrasion resistance is good, the service life is long, and the maintenance cost is low.
Description
Technical field
The invention belongs to textile machine equipment technical field, specifically relate on a kind of combined type and selling.
background branch art
Upper pin is in cotton draft system, improves the critical component of sliver drafting multiple, in requirement pin pliers mouth X-axis and the Y-axis depth of parallelism good, nipper pressure uniformity is good, and good rigidly is not yielding.Pin is divided into two kinds traditionally: a kind of is steel construction shaping, and another is the fine plastics injection moldeds of carbon.These the two kinds upper pins formed all are provided with spring of top apron cradle (comformity relation of spring pressure is to the uniformity of upper pin pliers mouth upward pressure).Spring of top apron cradle by the spring steel band of below 1mm through blanking and repeatedly bending and being shaped.
All there are some problems in the upper pin of these two kinds of versions: the upper pin rigidity of steel structural form is had a surplus flexible not enough, namely spring of top apron cradle bears the task of fixing middle top rollers, need to be responsible for upper pin pliers mouth pressurization, the upper pin flexibility of the fine plastic construction of carbon is had a surplus, rigidity is inadequate, although spring of top apron cradle no longer bears the task of gripping middle top rollers, only as upper pin pliers mouth pressure element, but the environment of textile mills is hot and humid, the upper pin pliers oralia of thin-walled adopts the fine plastics of carbon to manufacture yielding.
In addition, because spring steel band bending resilience is large, the easy decarburization of heat treatment and distortion, the uniformity of size is very poor, and pressure is uneven, and the uniformity of nipper pressure cannot effectively ensure, and the shape of spring is directed at pressure and easily fails, cotton spinning enterprise will regularly replace spring, when yarn quality can not be guaranteed, also has to drop into the use that more manpower and materials cost safeguards upper pin.
Summary of the invention
For above-mentioned Problems existing, the object of this invention is to provide one and do not need spring of top apron cradle, and nipper pressure is accurate, and the combined type that ABRASION RESISTANCE is good is sold.
Technical scheme of the present invention is: a kind of combined type is sold, comprise jaw plate, reversing frame, antifriction folder, point briquetting, it is characterized in that: the V-shaped shape of jaw plate, jaw plate while be provided with reversing frame, the another side of jaw plate is provided with an outside round boss, on jaw plate, respectively there are two inside square boss the both sides of round boss, and two antifrictions folders are fixed on jaw plate by square boss; Be processed with a casing in the middle of described reversing frame, casing is processed with a groove, the both sides of reversing frame are processed with the gripping groove installing roller, and a point briquetting is arranged in the groove on the casing of reversing frame.
The entrance 0.1-1 ㎜ less of the diameter of top roller of described gripping groove.
The top of described point of briquetting is arc-shaped.
Advantage of the present invention: in basis, pin does not need spring of top apron cradle, lever dividing potential drop, nipper pressure is accurate, and ABRASION RESISTANCE is good, long service life, and maintenance cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of reversing frame in Fig. 1.
Fig. 3 is the front view of jaw plate in Fig. 1.
Fig. 4 is the top view of jaw plate in Fig. 1.
Fig. 5 is the structural representation of antifriction folder in Fig. 1.
Fig. 6 is the structural representation of point briquetting in Fig. 1.
Detailed description of the invention
Now by reference to the accompanying drawings, the present invention is illustrated further.
As shown in figures 1 to 6, the V-shaped shape of jaw plate 1, jaw plate 1 while be provided with reversing frame 2, the another side of jaw plate 1 is provided with an outside round boss 101, on jaw plate 1, the both sides of round boss 101 respectively have two inside square boss, 102, two antifrictions folders 3 to be fixed on jaw plate 1 by square boss 102; Be processed with a casing 201 in the middle of described reversing frame 2, casing 201 is processed with a groove 202, the both sides of reversing frame 2 are processed with the gripping groove 203 installing roller, and a point briquetting 4 is arranged in the groove 202 on the casing 201 of reversing frame 2.
The entrance 0.1-1 ㎜ less of the diameter of top roller of described gripping groove 203.The top of described point of briquetting 4 is arc-shaped.
Claims (3)
1. a combined type is sold, comprise jaw plate (1), reversing frame (2), antifriction folder (3), point briquetting (4), it is characterized in that: jaw plate (1) V-shaped shape, jaw plate (1) while be provided with reversing frame (2), the another side of jaw plate (1) is provided with an outside round boss (101), respectively there are two inside square boss (102) both sides of the upper round boss (101) of jaw plate (1), and two antifrictions folder (3) are fixed on jaw plate (1) by square boss (102); A casing (201) is processed with in the middle of described reversing frame (2), casing (201) is processed with a groove (202), the both sides of reversing frame (2) are processed with the gripping groove (203) installing roller, and a point briquetting (4) is arranged in the groove (202) on the casing (201) of reversing frame (2).
2. a kind of combined type according to claim 1 is sold, it is characterized in that: the entrance 0.1-1 ㎜ less of the diameter of top roller of described gripping groove (203).
3. a kind of combined type according to claim 1 is sold, it is characterized in that: the top of described point of briquetting (4) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410530362.1A CN104357975A (en) | 2014-10-10 | 2014-10-10 | Combined type upper pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410530362.1A CN104357975A (en) | 2014-10-10 | 2014-10-10 | Combined type upper pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104357975A true CN104357975A (en) | 2015-02-18 |
Family
ID=52525275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410530362.1A Pending CN104357975A (en) | 2014-10-10 | 2014-10-10 | Combined type upper pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104357975A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3744881B1 (en) * | 2019-05-31 | 2023-04-05 | Maschinenfabrik Rieter AG | Cage for a pressure roller pair of a drawing frame |
-
2014
- 2014-10-10 CN CN201410530362.1A patent/CN104357975A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3744881B1 (en) * | 2019-05-31 | 2023-04-05 | Maschinenfabrik Rieter AG | Cage for a pressure roller pair of a drawing frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150218 |
|
| WD01 | Invention patent application deemed withdrawn after publication |