CN103911775A - Computerized embroidery machine needle bar cam mechanism with balancing device - Google Patents
Computerized embroidery machine needle bar cam mechanism with balancing device Download PDFInfo
- Publication number
- CN103911775A CN103911775A CN201410109821.9A CN201410109821A CN103911775A CN 103911775 A CN103911775 A CN 103911775A CN 201410109821 A CN201410109821 A CN 201410109821A CN 103911775 A CN103911775 A CN 103911775A
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- CN
- China
- Prior art keywords
- cam
- driving cam
- shank
- bedplate
- eccentric bushing
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- 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.)
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
- D05C11/02—Machine needles
- D05C11/06—Needle-driving or control mechanisms
Abstract
The invention discloses a dynamic balancing device of a computerized embroidery machine needle bar cam mechanism, belongs to the field of embroidery machinery, and relates to design and improvement of a cam base plate between a needle bar transmission cam and a take-up lever driving cam; a balancing weight is fixedly disposed on a connecting base plate for balancing the centrifugal force generated during operation of the two cams. The beneficial effects of the invention are that the centrifugal force generated by rotation of the needle bar transmission cam and the take-up lever driving cam is greatly reduced, or even eliminated, and shaking due to the centrifugal force is reduced, or even eliminated; the noise is reduced; the working environment is improved; the embroidery line breaking rate is greatly decreased; the service life of the embroidery machine head is prolonged; the service life of an eccentric bearing in the needle bar cam and the take-up lever cam mechanism is prolonged; the reliability, durability, and economical efficiency of the machine are improved.
Description
Technical field
The present invention relates to a kind of computerized emboridering machine, especially relate to a kind of computer embroidering machine with needle cam mechanism with bascule.
Background technology
In prior art, needle-bar cam in embroidering machine head and thread take-up tension lever driving cam means are eccentric cam setting, and eccentric cam is in rotary course, due to the effect of inertia, cause head vibrations excessive, not only produce noise but also affect the life-span of head and the outage of embroidering.Some embroidery machine adopts capacity eccentric bearing in needle-bar cam mechanism, substitute sliding friction with rolling friction, although can reduce friction, reduce vibrating noise and still cannot improve all the time the vibrations that bring due to the inertia of eccentric cam, affect the service life of embroidering machine head and the service life of bearing, cannot improve rotating speed, hinder the raising of production efficiency.
Summary of the invention
Order of the present invention is the service life in order to extend embroidering machine head, the vibrations that the centrifugal force producing while reducing because of shank driving cam and the rotation of thread take-up tension lever driving cam brings, control the noise of embroidery machine head, extend the service life of capacity eccentric bearing in shank cam mechanism, reduce embroidery outage, improve the production efficiency of embroidery machine.
To achieve the above object, the present invention is to the technical scheme providing: a kind of computer embroidering machine with needle cam mechanism with bascule, be provided with shank driving cam, shank driving cam comprises eccentric bushing and rotating shaft, described eccentric bushing is provided with the axis hole that is applicable to receive rotating shaft, eccentric bushing is provided with shank drive link outward, and the interior week of shank drive link and the periphery of eccentric bushing are rotatable matched in clearance; One side of described eccentric bushing is provided with at thread take-up tension lever driving cam, is provided with cam bedplate between thread take-up tension lever driving cam and eccentric bushing, and cam bedplate is fixedly installed on eccentric bushing; Described thread take-up tension lever driving cam is fixedly installed on cam bedplate; The balancing weight of the centrifugal force that cam bedplate produces while being provided with for balance thread take-up tension lever driving cam and the operation of shank driving cam.
Wherein, balancing weight is arranged at cam bedplate on the surface of shank driving cam one side.Described cam bedplate is provided with the installing hole of thread take-up tension lever driving cam.
Further, between eccentric wheel and shank drive link, be provided with bearing.
Further, described shank driving cam is provided with the integrated integrated bearing of eccentric bushing, bearing and shank drive link; Described integral shaft is contracted and is drawn together: retainer, capacity eccentric bearing inner ring and connecting rod outer ring, between described connecting rod outer ring and capacity eccentric bearing inner ring, be provided with some rolling elements, be respectively arranged with at the inner ring of connecting rod outer ring and the outer ring of capacity eccentric bearing inner ring the raceway groove adapting with rolling element; Described rolling element evenly divides in raceway groove by retainer.
By calculating and testing, be provided with equilibrate counterweight at thread take-up tension lever driving cam base, make shank driving cam and thread take-up tension lever driving cam obtain when rotated dynamic equilibrium, so significantly reduce and even eliminated the vibrations that bring due to shank driving cam and thread take-up tension lever driving cam use eccentric wheel structure.
The beneficial effect of patent of the present invention is: the centrifugal force producing when significantly reducing or even having eliminated because of the rotation of shank driving cam, thread take-up tension lever driving cam, reduces or even eliminates the vibrations that this centrifugal force brings; Reduce noise, improved work situation, reduced greatly embroidery outage; Strengthen the life-span of embroidering machine head, extended the service life of capacity eccentric bearing in needle-bar cam and thread take-up tension lever cam mechanism, improved reliability, durability and the economy of machine.
figure of description
Fig. 1 is the structural representation of thread take-up tension lever driving cam base and equilibrate counterweight in the embodiment of the present invention;
Fig. 2 is the structural representation of needle-bar cam mechanism in the embodiment of the present invention;
Fig. 3 is the part explosive view of needle-bar cam mechanism in the embodiment of the present invention.
In figure: 1-thread take-up tension lever driving cam base, 112-through hole, 13-installing hole, 2-equilibrate counterweight, 3-thread take-up tension lever driving cam, 33-fixing hole, 4-shank driving cam, 40-eccentric bushing, the integrated bearing of 400-, 400c-rolling element, 402-bearing, 40a-capacity eccentric bearing inner ring, 40d-retainer, 40g-retainer, 41-shank drive link, 41b-connecting rod outer ring, 411-capacity eccentric bearing inner ring, 412-nut bore.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Embodiment mono-
As shown in Figure 1 to Figure 3: a kind of computer embroidering machine with needle cam mechanism with bascule, be provided with shank driving cam 4, shank driving cam 4 comprises eccentric bushing 40 and rotating shaft 5, described eccentric bushing 40 is provided with the axis hole 405 that is applicable to receive rotating shaft 5, eccentric bushing 40 is outer is provided with shank drive link 41, and the interior week of shank drive link 41 and the periphery of eccentric bushing 40 are rotatable matched in clearance; One side of described eccentric bushing 40 is provided with at thread take-up tension lever driving cam 3, between thread take-up tension lever driving cam 3 and eccentric bushing 40, is provided with cam bedplate 1, and cam bedplate 1 is fixedly installed on eccentric bushing 40; Described thread take-up tension lever driving cam 3 is fixedly installed on cam bedplate 1; Cam bedplate 1 is provided with the balancing weight 2 of the centrifugal force producing while operation for balance thread take-up tension lever driving cam 3 and shank driving cam 4; The installation site of balancing weight 2 on cam bedplate 1 do not hinder the motion of shank driving cam 4.
Cam bedplate 1: as shown in Figure 1, as preferred version, we improve cam bedplate 1, are modified into approximate axe-shape as shown in Figure 1 by original approximate ellipsoidal, make being provided with of balancing weight be beneficial to integrally-built optimization.
As preferred version, on eccentric bushing 40, be provided with some nut bore 412, cam bedplate 1 is provided with some through holes 112, and through hole 112 is corresponding with nut bore 412; By through hole 112 and nut bore 412, cam bedplate 1 is fixed on eccentric bushing 40.
Wherein balancing weight 2 is arranged at cam bedplate 1 on the surface of shank driving cam 4 one sides.Described cam bedplate 1 is provided with the installing hole 13 of thread take-up tension lever driving cam 3.
Embodiment bis-
In this embodiment, as shown in Figure 4, between eccentric bushing 40 and shank drive link 41, be provided with bearing 402, other are with embodiment mono-.
Embodiment tri-
In this embodiment, as shown in Figure 5, will on the shank driving cam 4 in embodiment mono-, be that my eccentric bushing 40, bearing 402 and 41 designs of shank drive link become an integrated bearing 400; This integrated bearing 400 comprises: retainer 40d, capacity eccentric bearing inner ring 40a and connecting rod outer ring 41b; Between connecting rod outer ring 41b and capacity eccentric bearing inner ring 40a, be provided with some rolling element 400c, be respectively arranged with at the inner ring of connecting rod outer ring 41b and the outer ring of capacity eccentric bearing inner ring 40a the raceway groove adapting with rolling element 400c; Described rolling element 400c evenly divides in raceway groove by retainer 40d; Between capacity eccentric bearing inner ring 40a and connecting rod outer ring 41b, be provided with dust cap 40g; Its centre bearing inner ring 40a is provided with some nut bore 412, and cam bedplate 1 is provided with some through holes 112, and through hole 112 is corresponding with nut bore 412; By through hole 112 and nut bore 412, cam bedplate 1 is fixed on capacity eccentric bearing inner ring 40a.Other are with embodiment mono-.
Claims (5)
1. the computer embroidering machine with needle cam mechanism with bascule, it is characterized in that: be provided with shank driving cam (4), shank driving cam (4) comprises eccentric bushing (40) and rotating shaft (5), described eccentric bushing (40) is provided with the axis hole (405) that is applicable to receive rotating shaft (5), eccentric bushing (40) is outer is provided with shank drive link (41), and the periphery of the interior week of shank drive link (41) and eccentric bushing (40) is rotatable matched in clearance; One side of described eccentric bushing (40) is provided with in thread take-up tension lever driving cam (3), between thread take-up tension lever driving cam (3) and eccentric bushing (40), is provided with cam bedplate (1), and cam bedplate (1) is fixedly installed on eccentric bushing (40); Described thread take-up tension lever driving cam (3) is fixedly installed on cam bedplate (1); The balancing weight (2) of the centrifugal force that cam bedplate (1) produces while being provided with for balance thread take-up tension lever driving cam (3) and shank driving cam (4) operation, the installation site of balancing weight (2) on cam bedplate (1) do not hinder the motion of shank driving cam (4).
2. a kind of computer embroidering machine with needle cam mechanism with bascule according to claim 1, is characterized in that: described balancing weight (2) is arranged at cam bedplate (1) on the surface of shank driving cam (4) one sides.
3. a kind of computer embroidering machine with needle cam mechanism with bascule according to claim 1, is characterized in that: described cam bedplate (1) is provided with the installing hole (13) of thread take-up tension lever driving cam (3).
4. a kind of computer embroidering machine with needle cam mechanism with bascule according to claim 1, is characterized in that: between eccentric wheel (40) and shank drive link (41), be provided with bearing.
5. a kind of computer embroidering machine with needle cam mechanism with bascule according to claim 1 and 2, is characterized in that: described shank driving cam (4) is provided with the integrated integrated bearing (400) of eccentric bushing (40), bearing (402) and shank drive link (41); Described integrated bearing (400) comprising: retainer (40d), capacity eccentric bearing inner ring (40a) and connecting rod outer ring (41b), between described connecting rod outer ring (41b) and capacity eccentric bearing inner ring (40a), be provided with some rolling elements (400c), be respectively arranged with at the inner ring of connecting rod outer ring (41b) and the outer ring of capacity eccentric bearing inner ring (40a) raceway groove adapting with rolling element (400c); Described rolling element (400c) evenly divides in raceway groove by retainer (40d), between capacity eccentric bearing inner ring 40a and connecting rod outer ring 41b, is provided with dust cap 40g.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410109821.9A CN103911775A (en) | 2014-03-24 | 2014-03-24 | Computerized embroidery machine needle bar cam mechanism with balancing device |
| CN201410746957.0A CN104480653A (en) | 2014-03-24 | 2014-12-10 | Computer embroider machine needle bar cam mechanism with balancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410109821.9A CN103911775A (en) | 2014-03-24 | 2014-03-24 | Computerized embroidery machine needle bar cam mechanism with balancing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103911775A true CN103911775A (en) | 2014-07-09 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410109821.9A Pending CN103911775A (en) | 2014-03-24 | 2014-03-24 | Computerized embroidery machine needle bar cam mechanism with balancing device |
| CN201410746957.0A Pending CN104480653A (en) | 2014-03-24 | 2014-12-10 | Computer embroider machine needle bar cam mechanism with balancing device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410746957.0A Pending CN104480653A (en) | 2014-03-24 | 2014-12-10 | Computer embroider machine needle bar cam mechanism with balancing device |
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| CN (2) | CN103911775A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104480653A (en) * | 2014-03-24 | 2015-04-01 | 浙江博盟精工机械有限公司 | Computer embroider machine needle bar cam mechanism with balancing device |
| CN112695471A (en) * | 2020-12-23 | 2021-04-23 | 浙江信胜科技股份有限公司 | Embroidery machine balance weight mechanism capable of avoiding increase of front and back vibration and embroidery machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416197B (en) * | 2017-07-09 | 2019-11-29 | 广厦传媒有限公司 | A kind of unmanned plane and image pickup method |
| CN109706612A (en) * | 2019-01-08 | 2019-05-03 | 福建信亿机械科技有限公司 | A kind of double rib warp loom |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10334839A1 (en) * | 2003-07-30 | 2005-03-03 | Ina-Schaeffler Kg | Embroidery head for an embroidery machine |
| CN2670400Y (en) * | 2003-07-30 | 2005-01-12 | 叶连福 | Multihead driving mechanism of embroidery machine |
| CN2828450Y (en) * | 2004-04-23 | 2006-10-18 | 叶连福 | Guide block driven eccentric cam of high-speed computer embroider |
| JP2008126018A (en) * | 2006-11-27 | 2008-06-05 | Barudan Co Ltd | Multi-needle embroidery machine |
| KR100785045B1 (en) * | 2007-01-17 | 2007-12-12 | 썬스타 특수정밀 주식회사 | Arm mechanism of sewing/embroidery machine |
| KR20080082361A (en) * | 2007-03-08 | 2008-09-11 | 썬스타 특수정밀 주식회사 | Embroidery |
| JP5348856B2 (en) * | 2007-05-31 | 2013-11-20 | 株式会社バルダン | Rotary multi-needle sewing machine |
| CN103911775A (en) * | 2014-03-24 | 2014-07-09 | 浙江博盟精工机械有限公司 | Computerized embroidery machine needle bar cam mechanism with balancing device |
-
2014
- 2014-03-24 CN CN201410109821.9A patent/CN103911775A/en active Pending
- 2014-12-10 CN CN201410746957.0A patent/CN104480653A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104480653A (en) * | 2014-03-24 | 2015-04-01 | 浙江博盟精工机械有限公司 | Computer embroider machine needle bar cam mechanism with balancing device |
| CN112695471A (en) * | 2020-12-23 | 2021-04-23 | 浙江信胜科技股份有限公司 | Embroidery machine balance weight mechanism capable of avoiding increase of front and back vibration and embroidery machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104480653A (en) | 2015-04-01 |
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Application publication date: 20140709 |