CN100494547C - Guide pillar sealing mechanism for needle machine - Google Patents
Guide pillar sealing mechanism for needle machine Download PDFInfo
- Publication number
- CN100494547C CN100494547C CNB2007100234038A CN200710023403A CN100494547C CN 100494547 C CN100494547 C CN 100494547C CN B2007100234038 A CNB2007100234038 A CN B2007100234038A CN 200710023403 A CN200710023403 A CN 200710023403A CN 100494547 C CN100494547 C CN 100494547C
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- China
- Prior art keywords
- sealing ring
- guide pillar
- pin bushing
- needing machine
- guide pin
- Prior art date
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- Expired - Fee Related
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Abstract
A guide post sealing device of needing machine belongs to non-textile machinery applied technology fields. It includes sealing ring which is installed under guiding-sheathing, the guiding-sheathing and the sealing ring are both in the base cavity of guide post base which is equipped with eccentric cam and is contracted into tubular stage under the lower of main axle box body of connecting bars, and the sealing cover which is used for placing said sealing ring and maintaining the sealing ring is in covering phase, certain distance is retained between said sealing ring and guiding-sheathing. The advantages are: it can prevent the friction parts between the guide post and guiding-sheathing rub with the sealing ring, the movement of guide post will not damage the sealing ring, so the good effect of sealing ring for preventing lubricating oil leakage is ensured.
Description
Technical field
The present invention relates to a kind of guide pillar sealing mechanism of needing machine, is the improvement to the guide pillar sealing mechanism of the needing machine in the prior art, belongs to on-woven machine applications technical field.
Background technology
The guide pillar sealing mechanism of the needing machine in the prior art can be by shown in Figure 3, comprise be located at by main shaft casing 3 bottoms in the seat chamber 311 of the narrow guide pillar seat 31 that shortens tubular body into sealing ring 1 and be fixed on the guide pillar seat 31 to described seat chamber 311 cap seals and be used for sealing ring 1 tube bank and make sealing ring 1 remain in the seal cover 2 in a chamber 311.As seen from the figure, sealing ring 1 pastes mutually with a following guide pin bushing 4 in a pair of guide pin bushing 4 of seat in the chamber 311 that is contained in guide pillar seat 31 and touches, guide pillar 5 passes in the central authorities of a pair of guide pin bushing 4, sealing ring 1, seal cover 2, the upper end of guide pillar 5 connects with connecting rod 33 by the main shaft drives of needing machine, and the bottom of guide pillar 5 links with the needle-bar 6 that is used to install needle plate.When connecting rod 33 moves up and down, just driving guide pillar 5 by connecting rod 33 moves up and down on guide pin bushing 4, and then drive needle-bar 6 motions by moving up and down of guide pillar 5, and drive the needle plate motion that pricker is arranged that is covered with that is installed on it by needle-bar 6, realize on-woven product acupuncture to the needle plate below of passing through.Whenever connecting rod 33 pumps once, guide pillar 5 just slides up and down once in guide pin bushing 4, owing to have friction repeatedly at a high speed between guide pillar 5 and the guide pin bushing 4, so the damage phenomenon of scratch, wiping thorn, burr, wiping silk and so on just appears in guide pillar 5, guide pin bushing 4 very soon.For example when high-speed needling machine during with the speed operation more than the 1000n/min, in enabling, guide pillar 5, guide pin bushing 4 just can produce the problems referred to above, when the guide pillar 5 with scar contacts with sealing ring 1, damage then can be easily for sealing ring 1, the sealing effectiveness that makes sealing ring 1 can't ensure and the lubricating oil diafiltration occur, the lubricating oil that diafiltration goes out can reach needle-bar 6 by drop, and then drop and needle plate, until being infected with on the on-woven product, influence product quality.
At present following two kinds of ways are adopted in the disposal of above-mentioned seepage phenomenon usually, the one, when seepage shows as slight extent, then comparatively desirable material such as non-woven cotton (fiber) colligation are treated in time to change after the non-woven cotton fiber is tending towards suctioning fluid around seal cover 2 with oil absorption.Obviously, this way is not only extremely original, but also can bring extra worry to the operator; The 2nd, when the seepage degree is serious, also be sealing ring 1 damage when serious, then change sealing ring 1 by the machine maintenance workman, do not allow many speeches, the work of changing sealing ring 1 extremely bothers, but also can influence manufacturing schedule, must be to carry out under stopped status because change.
For addressing the above problem, people always concentrate on sight on the material, processing technology of guide pillar 5, guide pin bushing 4 and seek on the wear-resistant sealing ring satisfactory for result 1 for a long time, yet facts have proved sheerly losing game of this effort, can be confirmed from the present in commission arbitrary needing machine especially existing fluid seepage of high-speed needling machine this.
The applicant thinks; since the infringement of sealing ring 1 is caused by guide pillar 5; sealing ring 1 can be avoided the zone that guide pillar 5 and guide pin bushing 4 rub mutually so; that is to say if guide pillar 5 is not affacted on the sealing ring 1 with segment on the guide pillar 5 that guide pin bushing 4 rubs mutually; then can yet be regarded as is a kind of useful act of being protected sealing ring 1, uses and stops oil seepage.Review Fig. 3 in view of the above, obviously, guide pillar 5 can wear and tear with sealing ring 1 easily with the position or the section that claims to rub that guide pin bushing 4 rubs mutually.So as long as this situation does not change, any idea of placing on material and so on can only be illusion.
Summary of the invention
Task of the present invention is will provide a kind of friction section that can make guide pillar and guide pin bushing to avoid sealing ring and use the guide pillar sealing mechanism of the needing machine of stopping oil seepage.
Task of the present invention is finished like this, a kind of guide pillar sealing mechanism of needing machine, it comprise be located at be furnished with eccentric cam, the main shaft lower box of connecting rod in the seat chamber of the narrow guide pillar seat that shortens cylindrical body into and be positioned at the sealing ring of guide pin bushing below, that be located in for described sealing ring and make sealing ring be in lid to protect the seal cover of state, remain with distance between described sealing ring and the guide pin bushing, described distance is 2 times greater than the eccentric throw of eccentric cam.
Guide pin bushing of the present invention is the metal guide pin bushing.
Metal guide pin bushing of the present invention is a copper sheathing.
The bottom end face of seal cover of the present invention and described guide pillar seat is fixed.
The inwall of seal cover of the present invention is provided with the jump ring groove, is embedded with in the jump ring groove to be used for jump ring that sealing ring is restrained.
The material of sealing ring of the present invention is any one in rubber, nylon, the felt.
The quantity of sealing ring of the present invention has a pair of.
Sealing ring of the present invention is the sealed nylon circle.
Extended flowline on the guide pillar seat of the present invention, the position of flowline occupy between guide pin bushing and the sealing ring.
The present invention can prevent friction section and sealing ring friction that guide pillar and guide pin bushing rub mutually owing to adopted said structure, therefore can not undermine sealing ring because of the motion of guide pillar, has ensured that sealing ring is prevented the good result of oil seepage.
Description of drawings
Fig. 1 is a first embodiment of the present invention structure chart.
Fig. 2 is a second embodiment of the present invention structure chart.
Fig. 3 is the structure chart of the guide pillar sealing mechanism of the needing machine in the prior art.
The specific embodiment
For the auditor that makes Patent Office particularly the public can further understand architectural feature of the present invention and beneficial effect thereof, the spy reaches embodiment in conjunction with the accompanying drawings the specific embodiment of the present invention is described in detail as follows.But applicant statement is any according to the present invention's design and carry out pro forma variation or literal modification, then all should be considered as technical scheme scope disclosed in this invention.
Embodiment 1:
See also Fig. 1, industry is known, and as main shaft casing 3 of the present invention, the top expansion is established, and the bottom is narrow contracting, and is furnished with eccentric cam 32, connecting rod 33 in the top cavity volume that expansion is established.Specifically: connecting rod 33 matches with eccentric cam 32 by bearing 331, and eccentric cam 32 is installed on the main shaft or title eccentric cam shaft 321 as transferring power of needing machine.Pass through the upper end that bearing pin 51 links guide pillars 5 in the lower end of connecting rod 32, and the lower end of guide pillar 5 is connected with needle-bar 6 after passing guide pin bushing 4 (a pair of), sealing ring 1, seal cover 2.
By figure clear showing, the bottom of main shaft casing 1 is shortened into a columnar tubular body by narrow, constitutes guide pillar seat 31 by this tubular body, in the seat chamber 311 of guide pillar seat 31 a pair of guide pin bushing 4 that is preferably copper sheathing is set, and a pair of guide pin bushing 4 keeps certain spacing each other.Below in a pair of guide pin bushing 4 guide pin bushing 4 below guide and support a pair of sealing ring 1 by seal cover 2 and realize being provided with a pair of sealing ring stacked on top of each other 1.For sealing ring 1, preferred but what be not limited to is the sealing ring that adopts nylon material.Sealing ring 1 does not show as each other as prior art (as shown in Figure 3) with guide pin bushing 4 to be close to, but guide pin bushing in below in sealing ring 1 and a pair of guide pin bushing 44 is kept a rational distance, the rational distance of being said here should be more than 2 times of eccentric throw of eccentric cam 32.Because the eccentric throw size of eccentric cam 32 has determined the impulse stroke of the upper and lower motion of guide pillar 5, promptly determined guide pillar 5 to move to top dead centre, move to total kilometres between the lower dead center again, in order to help public understanding, the applicant has marked the friction section A that friction takes place as guide pillar 5 and guide pin bushing 4 on the guide pillar shown in this figure 4.Hence one can see that, and this friction section A can not affact on the sealing ring 1.Seal cover 2 is fixed on the bottom end face of guide pillar seat 31 with screw 22 with the identical means of prior art in other words according to general knowledge.Seal cover 2 has one to be enough to fold the cavity volume of establishing a pair of sealing ring 1, carries out after being located at sealing ring 1 in the cavity volume spacingly again with jump ring 21, deviates from the cavity volume of seal cover 2 to prevent sealing ring.On 31 of guide pillar seats occupy pedestal between guide pin bushing 4 and the sealing ring 1, extend flowline 312, be used to draw lubricating oil.Preferred scheme is as far as possible flowline 312 to be approached sealing ring 1 place.
Embodiment 2:
See also Fig. 2, for the different needing machine of certain specification, for example the length of guide pillar seat 31 is shorter, the stroke that is guide pillar 5 is little, can omit with improvement, specifically the present invention program so in this case: seal cover 2 is extended, and flowline 312 is transferred on the seal cover 2.All the other are with the description to embodiment 1.
The applicant sketches action principle of the present invention according to Fig. 1 or Fig. 2, under the driving of the actuating unit of needing machine, eccentric cam shaft 321 rotations, make eccentric cam 32 motions, the upper and lower motion that drivening rod 33 works go round and begin again, because guide pillar 5 connects with connecting rod 33, therefore guide pillar 5 is done upper and lower motion on guide pin bushing 4, guide and support needle-bar 6 by guide pillar 5 and make corresponding sports, and then by needle-bar 6 drive fix on it and be covered with the needle plate motion that pricker is arranged, realize that the thorn of non-woven material being done entanglement closes the formation nonwoven fabric.In the process of guide pillar 5 upper and lower motions, stroke each time just produces once friction with guide pin bushing 4, yet is located at the position that can't be touched by the friction Duan Suoneng of guide pillar 5 because the present invention changes the position of sealing ring 1, has therefore protected sealing ring 1 effectively.
The applicant has carried out contrast with Fig. 1, Fig. 2 structure with Fig. 3 structure and has used, and employed needing machine is the high-speed needling machine (12000n/min) of same specification.The result shows: structure shown in Figure 3 just has micro-fluid filter to ooze out in 2 hours of enabling; And the present invention used continuously through three months and has no the oil impregnate phenomenon, so the technical scheme that the present invention recommended should be ultimate attainment, had solved and had perplexed the insoluble technical problem of industry for a long time.
Claims (8)
1, a kind of guide pillar sealing mechanism of needing machine, it comprise main shaft casing (3) bottom that is located at be furnished with eccentric cam (32), connecting rod (33) in the seat chamber (311) of the narrow guide pillar seat (31) that shortens cylindrical body into and be positioned at the sealing ring (1) of guide pin bushing (4) below, that be located in for described sealing ring (1) and make sealing ring (1) be in lid to protect the seal cover (2) of state, it is characterized in that remaining with distance between described sealing ring (1) and the guide pin bushing (4), described distance is 2 times greater than the eccentric throw of eccentric cam (32).
2, the guide pillar sealing mechanism of needing machine according to claim 1 is characterized in that described guide pin bushing (4) is the metal guide pin bushing.
3, the guide pillar sealing mechanism of needing machine according to claim 2 is characterized in that described metal guide pin bushing is a copper sheathing.
4, the guide pillar sealing mechanism of needing machine according to claim 1 is characterized in that the bottom end face of described seal cover (2) and described guide pillar seat (31) is fixed.
5, the guide pillar sealing mechanism of needing machine according to claim 1 is characterized in that the inwall of described seal cover (2) is provided with the jump ring groove, is embedded with in the jump ring groove to be used for jump ring (21) that sealing ring (1) is restrained.
6, the guide pillar sealing mechanism of needing machine according to claim 1 or 5, the material that it is characterized in that described sealing ring (1) is any one in rubber, nylon, the felt.
7, the guide pillar sealing mechanism of needing machine according to claim 6 is characterized in that the quantity of described sealing ring (1) has a pair of.
8, the guide pillar sealing mechanism of needing machine according to claim 1 is characterized in that having extended on the described guide pillar seat (31) flowline (312), and the position of flowline (312) occupy between guide pin bushing (4) and the sealing ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100234038A CN100494547C (en) | 2007-05-28 | 2007-05-28 | Guide pillar sealing mechanism for needle machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100234038A CN100494547C (en) | 2007-05-28 | 2007-05-28 | Guide pillar sealing mechanism for needle machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101058921A CN101058921A (en) | 2007-10-24 |
| CN100494547C true CN100494547C (en) | 2009-06-03 |
Family
ID=38865217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100234038A Expired - Fee Related CN100494547C (en) | 2007-05-28 | 2007-05-28 | Guide pillar sealing mechanism for needle machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100494547C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677401B (en) * | 2012-05-28 | 2014-09-10 | 常熟市伟成非织造成套设备有限公司 | Lubrication mechanism of link rod bearing of needling machine |
| CN102677402B (en) * | 2012-05-28 | 2014-09-10 | 常熟市伟成非织造成套设备有限公司 | Structure-improved connection rod bearing lubricating mechanism of needle machine |
| CN107542846A (en) * | 2017-10-17 | 2018-01-05 | 江苏金龙科技股份有限公司 | The dynamic poise device of needing machine |
-
2007
- 2007-05-28 CN CNB2007100234038A patent/CN100494547C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101058921A (en) | 2007-10-24 |
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Granted publication date: 20090603 Termination date: 20150528 |
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