CN101148807A - Crankcase structure for needling machine - Google Patents
Crankcase structure for needling machine Download PDFInfo
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- CN101148807A CN101148807A CNA2007101349382A CN200710134938A CN101148807A CN 101148807 A CN101148807 A CN 101148807A CN A2007101349382 A CNA2007101349382 A CN A2007101349382A CN 200710134938 A CN200710134938 A CN 200710134938A CN 101148807 A CN101148807 A CN 101148807A
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- pair
- connecting rod
- main shaft
- casing
- needing machine
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Abstract
The crankcase for needle punching machine as one non-woven fabric making machine has the structure including one case, one main shaft with ends on the case, one pair of first link rods, and one pair of second link rods located in the first pair of link rods, one pair of guide rods, one pair of push rods, and one flywheel on the main shaft. It features one balance weight over the main shaft to slip fit the guide rods. The crankcase in the improved structure can raise the needle punching speed of the needle punching machine for high output.
Description
Technical field
The invention belongs to field of non-weaving textile machinery technology, be specifically related to a kind of crankcase structure of needing machine, is the improvement to the crankcase structure of the needing machine of single connecting rod of the single shaft transmission in the prior art, single push rod, single needle beam, single needle plate.
Background technology
Because the structure of the needing machine of single connecting rod of single shaft transmission, single push rod, single needle beam, single needle plate is simple relatively, cost is low etc., therefore in on-woven production manufacturer, widely used, but this needing machine is also had its own inferior position, that is exactly that rotating speed is usually only about 600-800n/min, so production efficiency is relatively low.
In view of this, Chinese invention patent application publication number CN1916258A discloses a kind of transmission balance mechanism of needing machine, this technical scheme is launched at the crankcase structure of the needing machine of single connecting rod of single shaft transmission, single push rod, single needle beam, single needle plate, has stronger specific aim.Reach the 1200-1500n/min requirement because scheme can make improved crankcase satisfy to the required acupuncture speed of needing machine, therefore have achievement for the production capacity that improves needing machine.But, because scheme need be done bigger operation transformation to traditional crankcase (industry also is accustomed to being referred to as the connecting rod case), therefore not only improvement cost is big, and causes the complex structure of crankcase, loses market competition advantage for the obvious increase of the cost of complete needing machine in addition.
Perhaps based on above-mentioned factor, people still get used to traditional crankcase structure by needing machine shown in Figure 1, this crankcase structure comprises by last, lower house 11,12 match and the casing 1 that constitutes, the two ends hub setting is on casing 1 and the middle part is arranged in the main shaft 2 in the case chamber of casing 1, the a pair of upper end that is arranged in described case chamber is bound up on first connecting rod 3 on the main shaft 2 by first eccentric wheel 31 separately, a pair of position occupy that a end between the described a pair of first connecting rod 3 is bound up on the main shaft 2 by second eccentric wheel 51 separately and the other end respectively with the second connecting rod 5 of two client links of a balance weight 6, in a pair of case chamber that is located at casing 1 with described balance weight 6 sliding join use the guide post 7 that guide effect is provided for balance weight 6, an a pair of end separately that is located on the casing 1 is stretched in the described case chamber with the following client link of described first connecting rod 3 other end and is stretched over and is used for the push rod 4 that connects mutually with needle beam 8 outside the case chamber, one is installed in the flywheel 9 at position, main shaft 2 center, when the power drive mechanism by needing machine drives the drive 21 that is fixedly arranged on the main shaft 2, main shaft 2 rotations, driving the balance weight 6 that is positioned at main shaft 2 belows by a pair of second connecting rod 5 pumps, meanwhile, a pair of first connecting rod 3 drives needle beam 8 by push rod 4 and pumps, thereby at on-woven fiber acupuncture, use obtaining the on-woven product by the thorn on the needle plate 81 that is configured on the needle beam 8.The balance mode of said structure is: the quality that is positioned at the balance weight 6 of main shaft 2 belows equals needle beam 8, push rod 4, fill needle plate 81 these threes' of pricker quality, therefore when needing machine is in running order, when promptly driving the drive 21 of the end of being fixed in main shaft 2 by the power drive mechanism of needing machine, by balance weight 6, first, second connecting rod 3,5, push rod 4, needle beam 8 and be furnished with the kinematic system that the needle plate 81 of pricker constituted and can offset fully at the reciprocating motion inertia force that vertical direction showed, thus can reduce and even avoid system because the unbalance inertia force that the high speed reciprocating motion is brought.But, this structure is difficult to even can not offsets first, second connecting rod 3, the inertia force that 5 compound movements are produced, because known to the industry, the motion mode of connecting rod seems to be simple, but essence is very complicated, with regard to this structure, connecting rod (first, second connecting rod 3,5, as follows) major part show as circular motion, and the middle part of connecting rod has circular motion concurrently and moves up and down, and then, the microcephaly of connecting rod then shows as completely and moves up and down, so though the inertia force of connecting rod is unremarkable, but because square being directly proportional of this inertia and speed, therefore when the speed of needing machine is above greater than 1000n/min, then can seriously cause the vibrations and the teeter of machine, it is present by single shaft that Fig. 1 disclosed that Here it is, single connecting rod, single push rod, the single needle beam, the crankcase structure of the needing machine of single needle plate can't improve acupuncture speed and influence the main cause of production capacity.
Summary of the invention
Task of the present invention is will provide a kind of can make speed still can show good balance when 1800n/min is above and ensure that machine does not produce the crankcase structure of needing machine that helps improving production capacity of vibrations and teeter.
Task of the present invention is finished like this, a kind of crankcase structure of needing machine, it comprises by last, the casing that lower house is fitted to each other and forms, the two ends hub setting is on casing and the middle part is arranged in the main shaft in the case chamber of casing, the a pair of upper end that is arranged in the case chamber is bound up on first connecting rod on the main shaft by first eccentric wheel separately, a pair of position occupy that a end between a pair of first connecting rod is bound up on the main shaft by second eccentric wheel separately and the other end respectively with the second connecting rod of two client links of a balance weight, a pair of be located in the case chamber with the guide post of using of being slidingly matched of described balance weight for the balance weight guiding, a pair ofly be located at a end separately on the casing other end is stretched over and is used for the push rod that connects with needle beam outside the case chamber with the following client link of first connecting rod in the case chamber, one is installed on the main shaft and occupy flywheel between a pair of second connecting rod, characteristics are: the position of described balance weight occupy the top of main shaft, described a pair of guide post is arranged on the shell top of upper shell, and top and balance weight in the case chamber are slidingly matched.
In a specific embodiment of the present invention, the length of described a pair of first, second connecting rod be equal to each other and shape identical.
In another specific embodiment of the present invention, described first, second eccentric eccentric direction is opposite.
In also specific embodiment of the present invention, described eccentric direction be meant on the contrary first, second eccentric protruding be 180 ° to phase difference.
In another specific embodiment of the present invention, described main shaft residing position on casing is the middle part of the short transverse of casing placed in the middle substantially.
In another specific embodiment of the present invention, the shape of described upper and lower casing is symmetry substantially.
The advantage of the technical scheme that the present invention recommended: because the position of balance weight is become in the nowel chamber that the below that occupy main shaft originally is the case chamber to the top of being transplanted to main shaft is in the top box chamber in case chamber, thereby make a pair of second connecting rod and a pair of first connecting rod form on two full symmetrical configuration under two, be a pair of first connecting rod towards down and a pair of second connecting rod up, thereby the inertia force that produced of the connecting rod compound movement of can repealing by implication, when the speed of main shaft reaches 1800-2000n/min, can guarantee that still machine does not produce vibrations and teeter, thereby the acupuncture speed that can improve needing machine to satisfy the production capacity requirement ultimate attainmently; Compared with the prior art, only the component locations to balance weight and guide post has carried out reasonable change, does not therefore make structure guarantee intrinsic terseness and economy owing to increasing any parts.
Description of drawings
Fig. 1 is the cutaway view of the crankcase structure of the needing machine in the prior art.
Fig. 2 is the enforcement illustration of the crankcase structure of needing machine of the present invention.
Fig. 3 is the longitudinal sectional view of the crankcase structure of needing machine of the present invention.
The specific embodiment
See also Fig. 2 and Fig. 3, the casing 1 that provides is fitted to each other by upper and lower casing 11,12 and constitutes, the case chamber 13 of the common casing 1 that constitutes of the cavity volume of upper and lower casing 11,12.Show by Fig. 2 is clear,, therefore can be described as symmetrical structure because the shape of upper and lower casing 11,12 is identical substantially.A main shaft 2 occupy the middle part of the short transverse of casing 1, more properly says the position that is engaged with each other that occupy upper and lower casing 11,12, specifically: with the two ends of main shaft 2 respectively by clutch shaft bearing 22 and add shaft-cup 23 and realize and the casing hub settings.With illustrated location status is example, and the left end of main shaft 2 outside being stretched over casing 1 sets firmly drive 21, and the right-hand member of main shaft 2 similarly is stretched over outside the casing 1.Institute the right-hand member of main shaft 2 also to be stretched over outside the casing 1, be because on-woven product or claim that non-woven fabric production line is that crankcase unit assembly by a plurality of (being generally 3-10) structure of the present invention forms, obviously, the right-hand member of main shaft 2 is to be used for connecting with adjacent crankcase, docked mode both can be to connect with flat key, also can adopt shaft coupling to connect.The upper end of a pair of first connecting rod 3 is bound up on the main shaft 2 by being fixedly arranged on first eccentric wheel 31 on the main shaft 2 and adding second bearing 32 separately, and the lower end of a pair of first connecting rod 3 is respectively hinged with the push rod joint 41 of corresponding push rod 4 upper ends by first bearing pin 33, the middle part of push rod 4 is slidably located in the ram seat 121 that is preset on the lower house 12 by slip cap 42, the lower end of push rod 4 is stretched over outside the slip cap 42 and needle beam 8 connects firmly (Fig. 3 shows), and needle beam 8 is used for and needle plate 81 connects.
A pair of second connecting rod 5, between a pair of first connecting rod 3, and be close to corresponding first connecting rod 3 respectively, this to the lower end of second connecting rod 5 respectively by second eccentric wheel 51 and add second bearing 52 and be bound up on the main shaft 2, and the upper end of second connecting rod 5 is by second bearing pin 53 and add the 4th bearing 531 and connect with the balance weight axle bed 61 that balance weight 6 bottoms are extended on the top in case chamber 13 in the top box chamber, and balance weight 6 is by sliding sleeve 62 and a pair of 7 sliding joining of guide post, a pair of guide post 7 is located on the guide rod seat 63, and guide rod seat 63 is located on the shell top 111 of upper shell 11, plays guide effect to balance weight 6 by a pair of guide post 7.The position of flywheel 9 on main shaft 2 of playing energy storage (utilizing inertia) effect is the center that occupy a pair of second connecting rod 5.
In the foregoing description structure, the length of first, second connecting rod 3,5 must equate and shape keeps identical and quality equates.By Fig. 2, shown in Figure 3, the eccentric direction of first, second eccentric wheel 31,51 is just the opposite, and promptly the protruding of first, second eccentric wheel 31,51 keeps 180 ° to phase difference.That is to say that the abundant part of first eccentric wheel 31 or title nose portion are with respect to the barren part of second eccentric wheel 51.Do not have not with prior art: the quality of balance weight 6 equals needle beam 8, push rod, fill the quality of needle plate 81 these threes behind the pricker, but, the present invention changes traditional Design Thinking fixed pattern, open creatively with balance weight 6 from the bottom in case chamber 13 or the top that claims to be displaced to case chamber 13 from the below of main shaft 2 be the top of main shaft 2, make the set-up mode of a pair of second connecting rod 5 become installation up from original downward installation (is the boundary with main shaft 2), and constitute on two the holohedral symmetry relation under two between a pair of first connecting rod 3, the inertia force that is produced in the reciprocating motion of vertical direction each other between a pair of first connecting rod 3 and a pair of second connecting rod 5 is repealed by implication just because of the holohedral symmetry relation.
The applicant sketches operation principle of the present invention, when the transmission mechanism of needing machine drives drive 21 motions, just order about main shaft 2 motions by drive 21, a pair of first, second connecting rod 3,5 is just done accordingly down, reciprocating motion down, specifically: a pair of first connecting rod 3 is up, it is descending that so a pair of second connecting rod 5 is taken balance weight 6, and vice versa.In a pair of first connecting rod 3 upper and lower reciprocating processes, make that push rod 4 is also corresponding to move up and down, thereby implement acupuncture at product by the thorn on the needle plate 81 on the needle beam 8 that is connected in push rod 4 bottoms.Because in entire work process, first connecting rod 3 formed inertia force can be offseted by the inertia force that second connecting rod 5 is produced, therefore the applicant is carrying out actual test on the existing needing machine of configuration with structure of the present invention under the confidential state, the result is very astonishing, at the fast state of the turn up 1950n/min of main shaft 2 24h that starts shooting continuously, find no machine and vibration occurs, the any sign that does not more have teeter, can say for certain, technical scheme of the present invention is ultimate attainment because its speed can with two main shafts, double link, two push rods, the needing machine of crosspointer beam compares favourably.
Claims (6)
1. the crankcase structure of a needing machine, it comprises by last, lower house (11,12) casing (1) that is fitted to each other and forms, the middle part is arranged in the main shaft (2) in the case chamber (13) of casing (1) in that casing (1) is last in the two ends hub setting, the a pair of upper end that is arranged in case chamber (13) is bound up on first connecting rod (3) on the main shaft (2) by first eccentric wheel (31) separately, a pair of position occupy that a end between a pair of first connecting rod (3) is bound up on by second eccentric wheel (51) that main shaft (2) is gone up separately and the other end respectively with the second connecting rod (5) of two client links of a balance weight (6), a pair of being located at used guide post (7) for balance weight (6) guiding with described balance weight (6) is slidingly matched in the case chamber (13), a pair ofly be located at a end separately on the casing (1) other end is stretched over the push rod (4) that is used for needle beam (8) connection with the following client link of first connecting rod (3) in case chamber (13) in the case chamber (13) outside, one is installed in main shaft (2) goes up and occupy flywheel (9) between a pair of second connecting rod (5), it is characterized in that the position of described balance weight (6) occupy the top of main shaft (2), described a pair of guide post (7) is arranged on the shell top (111) of upper shell (11), and top and balance weight (6) in case chamber (13) are slidingly matched.
2. the crankcase structure of needing machine according to claim 1, the length that it is characterized in that described a pair of first, second connecting rod (3,5) be equal to each other and shape identical.
3. the crankcase structure of needing machine according to claim 1 is characterized in that the eccentric direction of described first, second eccentric wheel (31,51) is opposite.
4. the crankcase structure of needing machine according to claim 3 is characterized in that described eccentric direction is meant that on the contrary the protruding of first, second eccentric wheel (31,51) is 180 ° to phase difference.
5. the crankcase structure of needing machine according to claim 1 is characterized in that it is the middle part of the short transverse of casing (1) placed in the middle substantially that described main shaft (2) is gone up residing position at casing (1).
6. the crankcase structure of needing machine according to claim 1 is characterized in that the shape of described upper and lower casing (11,12) is symmetrical substantially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101349382A CN100547140C (en) | 2007-10-30 | 2007-10-30 | The crankcase structure of needing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101349382A CN100547140C (en) | 2007-10-30 | 2007-10-30 | The crankcase structure of needing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101148807A true CN101148807A (en) | 2008-03-26 |
| CN100547140C CN100547140C (en) | 2009-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101349382A Expired - Fee Related CN100547140C (en) | 2007-10-30 | 2007-10-30 | The crankcase structure of needing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100547140C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154195A (en) * | 2014-07-21 | 2014-11-19 | 苏州市华宁机械制造有限公司 | Double-eccentric driving guide-bar mechanism |
| CN104963104A (en) * | 2015-07-31 | 2015-10-07 | 中原工学院 | Crank connecting rod reciprocating movement mechanism of needling machine for small-size teaching and scientific research experiment |
| CN105070181A (en) * | 2015-07-31 | 2015-11-18 | 中原工学院 | Miniature needle machine for teaching and scientific research experiments |
| CN106436033A (en) * | 2016-11-03 | 2017-02-22 | 汕头三辉无纺机械厂有限公司 | Needling mechanism of single-spindle single-needle-area needling 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
- 2007-10-30 CN CNB2007101349382A patent/CN100547140C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154195A (en) * | 2014-07-21 | 2014-11-19 | 苏州市华宁机械制造有限公司 | Double-eccentric driving guide-bar mechanism |
| CN104963104A (en) * | 2015-07-31 | 2015-10-07 | 中原工学院 | Crank connecting rod reciprocating movement mechanism of needling machine for small-size teaching and scientific research experiment |
| CN105070181A (en) * | 2015-07-31 | 2015-11-18 | 中原工学院 | Miniature needle machine for teaching and scientific research experiments |
| CN106436033A (en) * | 2016-11-03 | 2017-02-22 | 汕头三辉无纺机械厂有限公司 | Needling mechanism of single-spindle single-needle-area needling 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100547140C (en) | 2009-10-07 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20131030 |