CN2591055Y - Pattern bit hook harness selection mechanism for electronic jacquard machine - Google Patents
Pattern bit hook harness selection mechanism for electronic jacquard machine Download PDFInfo
- Publication number
- CN2591055Y CN2591055Y CN 02261431 CN02261431U CN2591055Y CN 2591055 Y CN2591055 Y CN 2591055Y CN 02261431 CN02261431 CN 02261431 CN 02261431 U CN02261431 U CN 02261431U CN 2591055 Y CN2591055 Y CN 2591055Y
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- Prior art keywords
- hook
- double armed
- housing
- electromagnetic valve
- armed lever
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- Expired - Lifetime
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Abstract
The utility model relates to a jacquard leaf-hook lash-selecting mechanism for an electronic jacquard machine, which is characterized in that a pair of mutually symmetrical double armed levers 5 is arranged in a shell body 1, the double armed levers 5 are crossly and glidingly sheathed on a pin axle 7, and the pin axle 7 is fixed on the shell body 1; the upper end part of the double armed lever 5 forms a hook 5a, and the inner side of the lower end part of the double armed lever 5 are respectively provided with permanent magnets 6 and an electromagnetic valve 4 is arranged between two permanent magnets 6. The utility model has the outstanding advantages that 1) the electromagnetic valve and the permanent magnet are far away from the hook, have no magnetic gap and no spring, and avoid the influence of residual magnetism; 2) action time can be completely controlled by the length of the time of an electrifying current to satisfy the demand of a high speed; 3) the electrifying current of an electromagnetic coil is small, temperature rise is low and power consumption is small; 4) the action of the hook is flexible and reliable, which is suitable for various high speed jacquard machines.
Description
Technical field
The utility model relates to a kind of double-lift electronic jacquard machine, particularly a kind of pattern bit hook lash-selecting mechanism of electronic jacquard machine.
Background technology
The pattern bit hook lash-selecting mechanism of traditional electronic jacquard machine is in the plastic casing top front face of this mechanism and the back side permeability magnetic material plate to be installed respectively, 2 solenoids are housed between the permeability magnetic material plate, and the hook of sheet hook is positioned at the left and right side on housing top and with the housing injection molded; The sheet hook pumps by griffing to drive, when solenoid switch on the electromagnetic force of generation respectively the sheet hook is sucked about link up with.Its defective is: the sheet hook is to rely on electromagnetic attracting force and stop hanging on the hook, because magnetic gap is bigger between sheet hook and the housing upper side, common magnetic gap reaches 1～2mm, so the coil electricity electric current is bigger, temperature rise, and remanent magnetism is bigger behind the coil blackout, influences the raising of weaving efficiency.
In the prior art, the someone utilizes telescopic hook, and when hook stretched out hull outside, successively being risen by sheet hook about griffing to drive put in place on the hook about stopping respectively to hang over, and this moment, corresponding warp was raised the formation shed open.Technical scheme as CN 91104341.1 is to have in the two sides of housing for the flexible through hole of hook, two hook levers and electromagnetic valve are contained in the inside of housing, the lever that is connected as a single entity with hook is sleeved on the pivot pin, pivot pin is fixed on the housing, two hook inboards are connected by spring, pivot pin is fixed on the housing, and the bar magnet of electromagnetic valve is arranged in the below of lever, and the electromagnetic valve bar magnet stretches between two levers.When the electromagnetic valve circle was switched on, hook stretched out hull outside respectively; During outage, since spring action, hook withdrawal enclosure interior.Its defective is: adopt spring reset, in long-time high-speed cruising process, the spring fatiguability lost efficacy, and caused the hook action malfunctioning, influenced service life.
Summary of the invention
A kind of pattern bit hook lash-selecting mechanism of electronic jacquard machine, comprise and griffing, housing 1, location washer 2, sheet hook 3, electromagnetic valve 4, housing 1 and location washer 2 are fixed on the frame, griffe to drive sheet hook 3 and pump, housing 1 both sides are provided with the vertical groove 1a that arranges sheet hook 3 usefulness, have through hole on its both sides, top predetermined position, it is characterized in that: the parafacies double armed lever 5 of symmetry mutually is housed in the housing 1, and these double armed lever 5 intersections slide on the bearing pin 7, bearing pin 7 is fixed on the housing 1, double armed lever 5 upper ends form hook 5a, and its inboard, bottom is equipped with permanent magnet 6 respectively, and electromagnetic valve 4 is arranged between two permanent magnets 6.The upper end of double armed lever 5 also is provided with limit body 5b, and the polarity of the electromagnetic valve 4 during energising and the polarity of two permanent magnets 6 are to repel mutually; During outage, then the permanent magnet 6 of double armed lever 5 both sides is inhaled mutually with iron core, plays reset response.
The pattern bit hook lash-selecting mechanism course of work as shown in Figure 1, during electromagnetic valve 4 energisings, open the bottom of double armed lever 5, the through hole outside that hook stretches out housing 1 simultaneously, about sheet hook 3 under griffing to drive, successively stop hanging on the hook 5a, this moment, corresponding warp thread was raised the formation shed open; When electromagnetic valve 4 outages, the left and right sides, double armed lever 5 bottom permanent magnet 6 is inhaled mutually with the iron core of electromagnetic valve 4, in the through hole of hook 5a withdrawal housing 1 both sides.
With prior art relatively, the utlity model has following outstanding advantage 1) electromagnetic valve and permanent magnet be away from hook, no magnetic gap, no spring, elimination remanent magnetism influences; 2) come the control action time with the electric current length of conduction time fully, to satisfy demand at a high speed; 3) the solenoid electrical current is little, and temperature rise is low, and power consumption is little; 4) simple in structure, the hook flexible movements are reliable, and the efficient height is better than prior art, and cost is low, is applicable to all kinds of high speed jacquard machines.
Description of drawings
Fig. 1 is the pattern bit hook lash-selecting mechanism structural representation of electronic jacquard machine of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Specific embodiment
Embodiment 1:
A kind of pattern bit hook lash-selecting mechanism of electronic jacquard machine, structure as shown in Figure 1, sheet hook 3 thickness are 0.5mm, place in the groove 1a of housing 1 both sides, pump by griffing to drive, stroke is 80mm, hook 5a lateral displacement is 2.5mm, and the electromagnetic valve coil number of turn is 2000 circles, energising piezoelectricity 24V, electric current is 100mA, during electromagnetic valve 4 energisings, double armed lever 5 opens, and the sheet hook 3 that puts in place that successively rises stops respectively to hang on the hook 5a, corresponding warp thread is raised, and forms shed open; During the electromagnetic valve outage, by the power that attracts each other of permanent magnet 6, hook 5a resets, and weaving speed is per minute 1000 times.
Claims (3)
1. the pattern bit hook lash-selecting mechanism of an electronic jacquard machine, comprise and griffing, housing (1), location washer (2), sheet hook (3), electromagnetic valve (4), housing (1) and location washer (2) are fixed on the frame, griffing to drive sheet hook (3) pumps, housing (1) both sides are provided with the vertical groove (1a) of arranging sheet hook (3) usefulness, have through hole on its both sides, top predetermined position, it is characterized in that: the parafacies double armed lever (5) of symmetry mutually is housed in the housing (1), and this double armed lever (5) intersection slides on the bearing pin (7), bearing pin (7) is fixed on the housing (1), double armed lever (5) upper end forms hook (5a), and its inboard, bottom is equipped with permanent magnet (6) respectively, and electromagnetic valve (4) is arranged between two permanent magnets (6).
2. pattern bit hook lash-selecting mechanism according to claim 1 is characterized in that: the upper end of double armed lever (5) also is provided with limit body (5b).
3. pattern bit hook lash-selecting mechanism according to claim 1 is characterized in that: the polarity of the polarity of the electromagnetic valve during energising (4) and two permanent magnets (6) is to repel mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02261431 CN2591055Y (en) | 2002-11-08 | 2002-11-08 | Pattern bit hook harness selection mechanism for electronic jacquard machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02261431 CN2591055Y (en) | 2002-11-08 | 2002-11-08 | Pattern bit hook harness selection mechanism for electronic jacquard machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2591055Y true CN2591055Y (en) | 2003-12-10 |
Family
ID=33728222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02261431 Expired - Lifetime CN2591055Y (en) | 2002-11-08 | 2002-11-08 | Pattern bit hook harness selection mechanism for electronic jacquard machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2591055Y (en) |
-
2002
- 2002-11-08 CN CN 02261431 patent/CN2591055Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20050601 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |