CN201144333Y - Lower thread release mechanism for bead-edge sewing machine - Google Patents
Lower thread release mechanism for bead-edge sewing machine Download PDFInfo
- Publication number
- CN201144333Y CN201144333Y CNU2007201910565U CN200720191056U CN201144333Y CN 201144333 Y CN201144333 Y CN 201144333Y CN U2007201910565 U CNU2007201910565 U CN U2007201910565U CN 200720191056 U CN200720191056 U CN 200720191056U CN 201144333 Y CN201144333 Y CN 201144333Y
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- CN
- China
- Prior art keywords
- sliding sleeve
- edging machine
- cam
- bead edging
- disc cam
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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.)
- Expired - Fee Related
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Abstract
The utility model relates to a lower loose end mechanism used for a handstitch machine, which comprises a disc cam fixed on the low shaft of the handstitch machine, and a sleeve rotatablely arranged on the spindle of the handstitch machine, wherein, the two ends of the sleeve are respectively and fixedly provided with a disc cam driven swing bar and a continuous action swing bar, the disc cam driven swing bar is movably lapped with the disc cam, a slide bar is fixedly arranged on the continuous action swing bar, and a lower loose end needle driven sliding sleeve mechanism is movably arranged on the slide bar; the disc cam driven swing bar is flexibly connected with the frame of the handstitch machine by a swing bar spring. The lower loose end mechanism also comprises a cylindrical end cam which is fixed on the lower loose end cam of the handstitch machine and a cylindrical end cam driven swing bar which is arranged on the bedplate of the handstitch machine, wherein, a rolling ball and a sliding sleeve pushing block are arranged on the cylindrical end cam driven swing bar, and the rolling ball is rollingly lapped with the cylindrical end cam. After adding the lower loose end mechanism provided by the utility model, the prior handstitch machine can effectively achieve the aim of loose end without occurring wrinkling phenomenon when sewing thin materials.
Description
Technical field
The utility model relates to Sewing machines, particularly a kind of following thread releasing mechanism that is used for bead edging machine.
Background technology
Existing bead edging machine has only last thread releasing mechanism, as a kind of HT-798A type bead edging machine of Wenzhou City Hengtai Sewing Equipment Co., Ltd production.When sewing operation, can not well reach the purpose of loose ends, occur the cloth wrinkling easily; When especially sewing approaches material, more obvious, influence the attractive in appearance of sewing operation and stitching effect.
Summary of the invention
For overcoming the deficiency of existing bead edging machine, goal of the invention of the present utility model provides a kind of following thread releasing mechanism that is used for bead edging machine.This time thread releasing mechanism can be realized down the purpose of loose ends, after making existing bead edging machine install the utility model additional, can realize upper and lower loose ends during sewing operation, can effectively reach the purpose of loose ends, loose ends is effective, when making thin material, wrinkling can not occur, thoroughly solve and made a difficult problem wrinkling when approaching material.
The purpose of this utility model is achieved in that a kind of following thread releasing mechanism that is used for bead edging machine, have one to be fixed on a disc cam and on the bead edging machine lower shaft and to be rotatably installed in sleeve on the bead edging machine main shaft, described sleeve two ends fixedly mount a driven fork of a disc cam and an interlock fork respectively, the movable overlap joint of driven fork of described disc cam and described disc cam, fixed installation one slide bar on the described interlock fork, the driven slider mechanism of loose ends pin is installed in activity on this slide bar; The driven fork of described disc cam is connected with bead edging machine frame elasticity by a fork spring; Have one to be fixed on the cylindrical end face cam and on the line sending cam under the bead edging machine and to be rotatably installed in the driven fork of cylindrical end face cam on the bead edging machine platen, one ball and a sliding sleeve pushing block are housed on the driven fork of described cylindrical end face cam, and described ball and described cylindrical end face cam roll and overlap.
The beneficial effects of the utility model are: after existing bead edging machine installs the utility model additional, can realize upper and lower loose ends during sewing operation, can effectively reach the purpose of loose ends, loose ends is effective, when making thin material wrinkling can not appear, and stitching is attractive in appearance, has thoroughly solved to make a difficult problem wrinkling when approaching material.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the utility model exploded view;
Fig. 2 is the utility model installation site schematic diagram on bead edging machine.
The specific embodiment
Embodiment:
Referring to Fig. 1, Fig. 2, a kind of following thread releasing mechanism that is used for bead edging machine, have one to be fixed on a disc cam 21 and on the bead edging machine lower shaft 33 and to be rotatably installed in sleeve 27 on the bead edging machine main shaft 32, sleeve 27 two ends fixedly mount a driven fork 28 of a disc cam and an interlock fork 19 respectively, the driven fork 28 of disc cam and disc cam 21 movable overlap joints, fixed installation one slide bar 14 on the interlock fork 19; The driven slider mechanism of loose ends pin is installed in activity on this slide bar; The driven fork 28 of described disc cam is connected with bead edging machine frame elasticity by a fork spring 22; Have one to be fixed on the cylindrical end face cam 23 and on the line sending cam 24 under the bead edging machine and to be rotatably installed in the driven fork 11 of cylindrical end face cam on the bead edging machine platen 34, one ball 17 and a sliding sleeve pushing block 16 are housed on the driven fork 11 of cylindrical end face cam, and ball 17 rolls with cylindrical end face cam 23 and overlaps;
In the present embodiment, the driven slider mechanism of following loose ends pin comprises that one has the sliding sleeve 8 of shoulder hole, this sliding sleeve is sleeved on the described slide bar 14, compression spring 6 is installed between sliding sleeve 8 and slide bar 14, this compression spring one end is set up on the step 30 of sliding sleeve shoulder hole, and the other end is by screw 4 and the fixed installation of slide bar 14 front ends; Sliding sleeve 8 is provided with locating piece 9, and the location slideway 31 that this locating piece and slide bar 14 are provided with is slidingly connected; Sliding sleeve 8 front ends fixedly mount loose ends pin 1, and sliding sleeve 8 rear ends fixedly mount a sliding sleeve and promote bearing 15, and this sliding sleeve promotes bearing and sliding sleeve pushing block 16 rolling overlap joints.
In the present embodiment, sliding sleeve promotes bearing 15 by a bearing fixed seat 13 and the fixed installation of sliding sleeve 8 rear ends.Bearing fixed seat 13 and the fixed installation of sliding sleeve 8 rear ends, sliding sleeve promote bearing 15 and bearing fixed seat 13 fixed installations.
In the present embodiment, following loose ends pin 1 is by fixedly guide 3 and the fixed installation of sliding sleeve 8 front ends of a steady pin 2 and, and following loose ends pin 1 and steady pin be 2 Dingan County dress admittedly, steady pin 2 and fixedly guide 3 fixed installations, and fixedly guide 3 and sliding sleeve 8 front ends are spirally connected.
In the present embodiment, the driven fork 28 of disc cam is by an overlap joint bearing 25 and disc cam 21 movable overlap joints, and overlap joint bearing 25 rolls with the fixed installation of the driven fork of disc cam 28 ends and with disc cam 21 and overlaps.
In the present embodiment, the driven fork 11 of cylindrical end face cam is installed by a swing rod 10 and bead edging machine platen 34, and the driven fork 11 of cylindrical end face cam rotates with swing rod 10 by bearing pin 29 and installs, swing rod 10 and 34 fixed installations of bead edging machine platen.
In the present embodiment, bead edging machine lower shaft 33 is 1: 2 with the speed ratio of bead edging machine main shaft 32.
The utility model can be finished the purpose that two actions realize down loose ends, that is: disc cam 21 rotates with bead edging machine lower shaft 33 and promotes the driven fork 28 of disc cam around 32 swings of bead edging machine main shaft, driven fork 28 swings of fork spring 22 pulling disc cams reset, and make cam swing 28 keep reciprocally swinging.The driven fork 28 of disc cam drives 19 swings of interlock fork, 14 swings of interlock fork 19 drive slide bars, and slide bar 14 drives loose ends pin 1 realization lengthwise movement and synchronous with the feed dog of bead edging machine down by sliding sleeve 8.
Cylindrical end face cam 23 rotates by driven fork 11 swings of ball 17 promotion cylindrical end face cams with bead edging machine lower shaft 33, and the sliding sleeve pushing block 16 on the driven fork 11 of cylindrical end face cam promotes sliding sleeves 8, makes sliding sleeve 8 drive loose ends pin 1 realization transverse movement down.When the last crochet hook of bead edging machine made progress the hook line, following loose ends pin 1 can insert the following wire loop of bead edging machine, and when the feed dog of bead edging machine finished work feed, following loose ends pin 1 detached down wire loop.
Claims (6)
1, a kind of following thread releasing mechanism that is used for bead edging machine, it is characterized in that: have one to be fixed on a disc cam and on the bead edging machine lower shaft and to be rotatably installed in sleeve on the bead edging machine main shaft, described sleeve two ends fixedly mount a driven fork of a disc cam and an interlock fork respectively, the movable overlap joint of driven fork of described disc cam and described disc cam, fixed installation one slide bar on the described interlock fork, the driven slider mechanism of loose ends pin is installed in activity on this slide bar; The driven fork of described disc cam is connected with bead edging machine frame elasticity by a fork spring; Have one to be fixed on the cylindrical end face cam and on the line sending cam under the bead edging machine and to be rotatably installed in the driven fork of cylindrical end face cam on the bead edging machine platen, one ball and a sliding sleeve pushing block are housed on the driven fork of described cylindrical end face cam, and described ball and described cylindrical end face cam roll and overlap.
2, the following thread releasing mechanism that is used for bead edging machine according to claim 1, it is characterized in that: the described driven slider mechanism of loose ends pin down comprises that one has the sliding sleeve of shoulder hole, this sliding sleeve is sleeved on the described slide bar, between described sliding sleeve and described slide bar, the compression spring is installed, this compression spring one end is set up on the step of sliding sleeve shoulder hole, the other end and the fixed installation of slide bar front end; Described sliding sleeve is provided with locating piece, and the location slideway that this locating piece and described slide bar are provided with is slidingly connected; Described sliding sleeve front end fixedly mounts loose ends pin, and described sliding sleeve rear end fixedly mounts a sliding sleeve and promotes bearing, and this sliding sleeve promotes bearing and described sliding sleeve pushing block rolling overlap joint.
3, the following thread releasing mechanism that is used for bead edging machine according to claim 2 is characterized in that: described sliding sleeve promotes bearing by a bearing fixed seat and the fixed installation of described sliding sleeve rear end.
4, the following thread releasing mechanism that is used for bead edging machine according to claim 2, it is characterized in that: described loose ends pin down is by fixedly guide and the fixed installation of described sliding sleeve front end of a steady pin and, described loose ends pin down and the fixed installation of described steady pin, described steady pin and the fixed installation of described fixedly guide, described fixedly guide and described sliding sleeve front end are spirally connected.
5, the following thread releasing mechanism that is used for bead edging machine according to claim 1, it is characterized in that: the driven fork of described disc cam passes through one and overlaps bearing and the movable overlap joint of described disc cam, and described overlap joint bearing and described disc cam slave pendulum boom end fixedly mount and overlap with described disc cam rolling.
6, the following thread releasing mechanism that is used for bead edging machine according to claim 1, it is characterized in that: the driven fork of described cylindrical end face cam is installed by a swing rod and bead edging machine platen, the driven fork of described cylindrical end face cam rotates by bearing pin and described swing rod and installs, described swing rod and the fixed installation of bead edging machine platen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201910565U CN201144333Y (en) | 2007-12-29 | 2007-12-29 | Lower thread release mechanism for bead-edge sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201910565U CN201144333Y (en) | 2007-12-29 | 2007-12-29 | Lower thread release mechanism for bead-edge sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201144333Y true CN201144333Y (en) | 2008-11-05 |
Family
ID=40081206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201910565U Expired - Fee Related CN201144333Y (en) | 2007-12-29 | 2007-12-29 | Lower thread release mechanism for bead-edge sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201144333Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087290A (en) * | 2015-04-30 | 2016-11-09 | 杜克普爱华股份公司 | Sewing machine |
| CN106884268A (en) * | 2017-03-20 | 2017-06-23 | 陈树滔 | A kind of forked needle cross wires mechanism of rumble pin machine |
| CN107570986A (en) * | 2017-09-15 | 2018-01-12 | 李健权 | One kind wears collodion silk machine automatically |
-
2007
- 2007-12-29 CN CNU2007201910565U patent/CN201144333Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087290A (en) * | 2015-04-30 | 2016-11-09 | 杜克普爱华股份公司 | Sewing machine |
| CN106087290B (en) * | 2015-04-30 | 2020-10-23 | 杜克普爱华股份公司 | Sewing machine |
| CN106884268A (en) * | 2017-03-20 | 2017-06-23 | 陈树滔 | A kind of forked needle cross wires mechanism of rumble pin machine |
| CN107570986A (en) * | 2017-09-15 | 2018-01-12 | 李健权 | One kind wears collodion silk machine automatically |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20081105 Termination date: 20121229 |