CN203741497U - Testing device for average surface negative pressure of narrow-groove type hollow roller - Google Patents
Testing device for average surface negative pressure of narrow-groove type hollow roller Download PDFInfo
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- CN203741497U CN203741497U CN201420097775.0U CN201420097775U CN203741497U CN 203741497 U CN203741497 U CN 203741497U CN 201420097775 U CN201420097775 U CN 201420097775U CN 203741497 U CN203741497 U CN 203741497U
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- negative pressure
- joint face
- hollow
- arc joint
- narrow
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Abstract
The utility model provides a testing device for average surface negative pressure of a narrow-groove type hollow roller. The testing device comprises a cambered connecting surface and a connecting pipeline; the cambered connecting surface is arranged in a hollow structure of which the two ends are closed; a round hole in which screw threads are formed is formed in the outer surface of the cambered connecting surface; a narrow groove is formed in the inner surface of the hollow cambered surface; the connecting pipeline comprises a connecting pipe of which the bottom is provided with screw threads and an upper smooth negative pressure gauge connecting pipe; in use, the surface negative pressure of the narrow-groove type hollow roller is transferred to the hollow part of the cambered connecting surface via the narrow groove formed in the inner surface of the hollow cambered connecting surface, and then transferred to the connecting pipeline via the round hole formed in the outer surface of the hollow cambered connecting surface, and then the average surface negative pressure value of the narrow-groove type negative-pressure hollow roller can be obtained according to the reading of a negative pressure gauge. The testing device can be used for realizing testing of the average surface negative pressure of the narrow-groove type hollow roller, the testing result is enabled to more approach the true value of the surface negative pressure of the roller.
Description
Technical field
The utility model relates to spinning new technical field, specifically a kind of narrow slot type hollow roller surface even negative pressure testing arrangement.
Background technology
RING SPINNING is the topmost spun yarn mode of production of current China, and domestic current ring spinning number of spindles has exceeded 1.3 hundred million ingots, accounts for 2/3 of global spindle sum.Compact spinning is that RING SPINNING is carried out to improved a kind of Advanced Spinning Technologies, has become at present the heat subject in spinning field, and development practice is for many years told us: the world of following RING SPINNING belongs to compact spinning.At present, the compact spinning type that main flow is used in the world comprises lattice apron type (mainly comprising German Sussen tri-roller lattice apron types, Japanese Toyota tetra-roller lattice apron types), roller type (Switzerland's profit reaches the COM4 of Rieter), punching apron type (mainly comprising Zinser punching apron formula), mechanical type (mainly comprising Switzerland Carlos Roscraft magnetic centralization type compact spinning system), and lattice apron type, roller type and punching apron type belong to negative-pressure air-flow and gather mode.Wherein, the machinery centralization type compact spinning system of Roscraft is because the current use at home of the reasons such as varietal adaptation poor (being generally only applicable to the spinning of 60Ne with yarn under working) is less; Zinser punching apron formula is due to varietal adaptation poor (being generally only applicable to wool spinning) and need that complete machine is introduced, expensive (1500 yuan, average every ingot), therefore use scale is at home less.What therefore, occupy at present mainstream market is lattice apron type compact spinning.But in use mainly there is the problems such as operating cost is higher, maintaining is complicated, the life-span is short in lattice apron type compact spinning.Roller type compact spinning comes into one's own gradually, it is in energy consumption, machine material consumption and system maintenance cost aspect have some superiority compared with lattice apron type compact spinning, the COM4 of Rieter is most typical roller type compact spinning system, but this system is gathered surface of roller and is adopted pore structure, easily stop up, need often to clean, and the humiture to workshop is had relatively high expectations, increase maintenance cost, therefore, provide a kind of surface and have the narrow slot type negative pressure hollow roller of groove structure at patent tight spinning hollow bottom roller (patent No. ZL200820214736.9), its surface is narrow groove structure, solve roller type compact spinning system and in use easily produce the problems such as obstruction.For this, the utility model provides a kind of device that is applicable to the even negative pressure test of narrow slot type hollow roller surface.This device comprises arc joint face and connecting line, arc joint face is the hollow structure of closed at both ends, have inner screwed circular hole at the outer surface of hollow arc joint face, inner surface at hollow arc joint face has narrow groove, connecting line comprises the screwed tube connector in bottom and upper smooth depressimeter tube connector, when use, arc joint face is close to narrow slot type hollow roller surface, the screwed tube connector in connecting line bottom is screwed in the screwed circular hole of arc joint face outer surface, upper smooth depressimeter tube connector and depressimeter are in succession, the negative pressure on narrow slot type hollow roller surface is continued and is delivered to the hollow space of arc joint face by the narrow groove of hollow arc joint face inner surface, then by and be delivered to connecting line by the circular hole of hollow arc joint face outer surface, then obtain the even negative pressure value on narrow slot type negative pressure hollow roller surface by the reading on depressimeter.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of device that is applicable to the even negative pressure test of narrow slot type hollow roller surface.
In order to address the above problem, the technical scheme that the utility model is taked is: a kind of narrow slot type hollow roller surface even negative pressure testing arrangement, comprise arc joint face and connecting line, the hollow structure that described arc joint face is closed at both ends, have inner screwed circular hole at the outer surface of described hollow arc joint face, inner surface at described hollow arc joint face has narrow groove, described connecting line comprises the screwed tube connector in bottom and upper smooth depressimeter tube connector, when use, arc joint face is close to narrow slot type hollow roller surface, the wherein just narrow groove to narrow slot type hollow roller surface of the narrow groove on the inner surface of arc joint face, connecting line is screwed on arc joint face outer surface and is connected with arc joint face in screwed circular hole by the screwed tube connector in bottom, the negative pressure on narrow slot type hollow roller surface is continued and is delivered to the hollow space of arc joint face by the narrow groove of hollow arc joint face inner surface, then by and be delivered to connecting line by the circular hole of hollow arc joint face outer surface, then obtain the even negative pressure value on narrow slot type negative pressure hollow roller surface by the reading on depressimeter.
In technique scheme, the radian of described arc joint face is between 65-80 °, thickness is between 12-15mm, outer surface thickness is between 3mm-4mm, inner surface thickness is between 1mm-2mm, middle hollow-core construction thickness is between 8mm-10mm, width is between 22-27mm, on described arc joint face outer surface, screwed Circularhole diameter is between 8-10mm, the screwed tube connector diameter in described tube connector bottom is between 7-9mm, and described tube connector upper smooth depressimeter tube connector diameter is between 8-10mm.
Adopt above-mentioned testing arrangement, can realize the test to narrow slot type hollow roller surface even negative pressure, make the actual value of institute's test result closer to surface of roller negative pressure, according to reality, spinning need to be adjusted hollow roller internal negative pressure then, thereby improve compacting effect, improve yarn quality.
Brief description of the drawings
Fig. 1 is the utility model narrow slot type hollow roller surface negative-pressure testing device structural representation.
Fig. 2 is the utility model narrow slot type hollow roller surface negative-pressure testing device mounting structure schematic diagram.
Wherein, 1 is connecting line, and 2 is arc joint face, and 3 is arc joint face outer surface, 4 is arc joint face inner surface, 5 is hollow-core construction in the middle of arc joint face, and 6 is the narrow groove of arc joint face inner surface, and 7 is arc joint face outer surface circular hole, 8 is the screwed tube connector in connecting line bottom, 9 is connecting line upper smooth depressimeter tube connector, and 10 is narrow slot type hollow roller, and 11 is the narrow groove in narrow slot type hollow roller surface.
Detailed description of the invention
As shown in Figure 1, 2, a kind of narrow slot type hollow roller surface even negative pressure testing arrangement, comprise connecting line 1 and arc joint face 2, the hollow structure that arc joint face 2 is closed at both ends, comprise outer surface 3, inner surface 4 and middle hollow-core construction 5, on the outer surface 3 of arc joint face 2, have inner screwed circular hole 7, have narrow groove 6 on the inner surface 4 of arc joint face 2, connecting line 1 comprises the screwed tube connector 8 in bottom and upper smooth depressimeter tube connector 9.Wherein, the radian of arc joint face 2 is between 65-80 °, thickness is between 12-15mm, outer surface thickness is between 3mm-4mm, inner surface thickness is between 1mm-2mm, middle hollow-core construction 5 thickness are between 8mm-10mm, width is between 22-27mm, on the outer surface 3 of arc joint face 2, screwed circular hole 7 diameters are between 8-10mm, the diameter of the connecting line 1 screwed tube connector 8 in bottom is between 7-9mm, and the diameter of connecting line 1 upper smooth depressimeter tube connector 9 is between 8-10mm.
When use, arc joint face 2 is close to the surface of narrow slot type hollow roller 10, the wherein just narrow groove 11 to narrow slot type hollow roller 10 surfaces of the narrow groove 6 on the inner surface 4 of arc joint face 2, connecting line 1 is screwed on arc joint face 2 outer surfaces 3 and is connected with arc joint face 2 in screwed circular hole 7 by the screwed tube connector 8 in bottom, the negative pressure on narrow slot type hollow roller 10 surfaces is delivered to the middle hollow-core construction 5 of arc joint face by the narrow groove 6 of the inner surface 4 of arc joint face 2, then by and the circular hole 7 of outer surface 3 by arc joint face 2 is delivered to connecting line 1, then obtain the even negative pressure value on narrow slot type negative pressure hollow roller surface by the reading on depressimeter.
Claims (2)
1. a narrow slot type hollow roller surface even negative pressure testing arrangement, comprise arc joint face and connecting line, it is characterized in that: the hollow structure that described arc joint face is closed at both ends, have inner screwed circular hole at the outer surface of described hollow arc joint face, inner surface at described hollow arc joint face has narrow groove, described connecting line comprises the screwed tube connector in bottom and upper smooth depressimeter tube connector, described connecting line is screwed on arc joint face outer surface and is connected with arc joint face in screwed circular hole by the screwed tube connector in bottom, by upper smooth depressimeter tube connector and depressimeter in succession.
2. a kind of narrow slot type hollow roller according to claim 1 surface even negative pressure testing arrangement, it is characterized in that: the radian of described arc joint face is between 65-80 °, thickness is between 12-15mm, outer surface thickness is between 3mm-4mm, inner surface thickness is between 1mm-2mm, middle hollow-core construction thickness is between 8mm-10mm, width is between 22-27mm, on described arc joint face outer surface, screwed Circularhole diameter is between 8-10mm, the screwed tube connector diameter in described tube connector bottom is between 7-9mm, described tube connector upper smooth depressimeter tube connector diameter is between 8-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097775.0U CN203741497U (en) | 2014-03-05 | 2014-03-05 | Testing device for average surface negative pressure of narrow-groove type hollow roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097775.0U CN203741497U (en) | 2014-03-05 | 2014-03-05 | Testing device for average surface negative pressure of narrow-groove type hollow roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203741497U true CN203741497U (en) | 2014-07-30 |
Family
ID=51341318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420097775.0U Expired - Fee Related CN203741497U (en) | 2014-03-05 | 2014-03-05 | Testing device for average surface negative pressure of narrow-groove type hollow roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203741497U (en) |
-
2014
- 2014-03-05 CN CN201420097775.0U patent/CN203741497U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20150305 |
|
| EXPY | Termination of patent right or utility model |