CN106835524B - wire bonding underframe device and sewing machine - Google Patents
wire bonding underframe device and sewing machine Download PDFInfo
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- CN106835524B CN106835524B CN201611252747.1A CN201611252747A CN106835524B CN 106835524 B CN106835524 B CN 106835524B CN 201611252747 A CN201611252747 A CN 201611252747A CN 106835524 B CN106835524 B CN 106835524B
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- wire bonding
- routing
- frame body
- wire
- sliding rail
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B49/00—Take-up devices, e.g. levers, for the needle thread
- D05B49/02—Take-up devices, e.g. levers, for the needle thread operated by cams or linkages
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- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention provides a routing underframe device and a sewing machine, belongs to the technical field of sewing machines, and solves the problems of inconvenience in winding and low production efficiency of an existing routing mechanism.
Description
Technical Field
The invention belongs to the technical field of sewing machines, and relates to wire bonding underframe devices and a sewing machine.
Background
The sewing machine is a machine which uses or a plurality of sewing threads to form or a plurality of stitches on the sewing material and enables layers or a plurality of layers of sewing materials to be interwoven or sewed.
In the existing sewing machine routing mechanism, a routing cam is arranged on a main shaft, a routing frame is arranged on a machine head shell, and the routing cam is matched with the routing frame to complete routing work. The existing built-in wire bonding frames of the sewing machines in the market at present are large in size and complex in structure, and completely shield the wire bonding cams at the inner side.
For example, in the chinese patent application (201510329234.5) , the bobbin control mechanism of the sewing machine includes a pin fixed to the housing, a winding frame wrench rotating around the pin and driven by a th reset torsion spring to automatically reset is provided on the pin, a winding frame is provided on the side of the winding frame wrench, the winding frame is connected to a stopper fixed to the housing, the winding frame rotates around the stopper and driven by a second reset torsion spring to automatically reset, the winding frame wrench is provided with a slot, a stopper pin is provided on the winding frame, the stopper pin is in an operating state when being provided in the slot of the winding frame wrench, and the stopper pin is in a threading state after being disengaged from the slot.
Disclosure of Invention
The invention aims to provide wire bonding underframe devices and sewing machines aiming at the problems in the prior art, and the technical problems to be solved by the invention are how to conveniently process winding and improve the production efficiency.
The object of the invention can be achieved by adopting the following technical scheme that the wire bonding underframe devices comprise a mounting seat and a wire bonding frame body with wire bonding sheets and wire passing sheets, and the wire bonding frame device is characterized in that a strip-shaped slide rail is arranged on the mounting seat, the extension direction of the slide rail is equal to the length direction of the wire bonding frame body, a slide block is connected on the slide rail in a sliding manner, the end of the wire bonding frame body is hinged on the side of the slide block, and the end can be positioned on the mounting seat by swinging around a hinged point.
The working principle of the wire bonding frame structure is as follows: the mount pad passes through the fastener to be fixed on sewing machine's casing, during the threading, can break off the routing frame body up with the fingers and thumb, makes the screens point of routing frame body leave the mount pad, and routing frame body breaks away from the fixed position with the mount pad, then promotes the slider and outwards moves together with the routing frame body under the power effect that resets of spring, accomplishes the threading. When the wire bonding frame works, the wire bonding frame body and the sliding block are pushed inwards and pressed down to the clamping position to be positioned on the mounting seat. When wire winding or wire winding both sides problem in the middle of the routing cam appear, break off the routing frame body up again, make the screens point of routing frame body leave the mount pad, routing frame body breaks away from the fixed position with the mount pad, then promote the slider and outwards move with the routing frame body, at this moment, the routing cam can expose completely, can proceed and handle the wire winding.
The wire bonding chassis device greatly simplifies the whole wire bonding frame structure and effectively reduces the cost. Simultaneously through the change structure, pass through the cooperation mode sliding connection of slider and slide rail with the routing frame body, when the wire winding in the middle of the routing cam or routing both sides wire wound problem appear, through opening the routing frame body, through the mating action of slider and slide rail, the routing frame body can outwards move and expose the routing cam, supplies operating personnel to have sufficient operating space, is convenient for clear up the wire winding, has improved production efficiency.
In the routing underframe device, the slide rail is columnar, the slide block is sleeved on the slide rail in a sliding manner, the slide rail is further sleeved with a compression spring, ends of the slide rail are fixed on the mounting seat, the other end of the slide rail is provided with a limiting part, the end of the compression spring abuts against the limiting part, the other end of the slide rail abuts against the slide block, and the compression spring is compressed when the routing frame body swings around a hinge point and is positioned on the mounting seat.
In foretell routing chassis device, the direction spout has still been seted up on the top of slider, be connected with the guide bar on the mount pad, the guide bar with slide rail parallel arrangement, the guide bar slides to inlay and establishes in the direction spout, through the design of guide bar and direction spout, plays guide effects, can form rectangular frame's structure between slider, mount pad, slide rail and the guide bar simultaneously for the slider slides more smoothly and steadily under compression spring's effect, and difficult incline guarantees that the routing cam can expose completely, supplies operating personnel to have sufficient operating space, is convenient for clear up the wire winding, and it has improved production efficiency to advance steps.
In foretell routing chassis device, routing chassis device is including the routing cam that has the routing groove, the middle part of routing frame body has the groove of stepping down that extends and can supply the routing cam to pass along length direction, the routing piece be located the groove of stepping down and with the routing groove of routing cam is relative, two line sheets of crossing are connected respectively at the border department of stepping down the groove both sides, still be equipped with a plurality of long banding wire winding of preventing in the groove of stepping down, the length direction of preventing the wire winding wool and the length direction of routing frame body cause, prevent the wire winding wool be located the routing piece respectively under and with the routing groove of routing cam is relative, the routing cam appears the wire winding condition most all in the middle of at the routing in-process, and the wire winding appearance probability on both sides is lower, sets up a plurality of wire winding wool through the middle part at the routing frame to be located under the routing piece and the routing groove of routing cam is relative, thereby can effectively prevent the middle wire winding of cam appearing, has reduced the wire winding frequency and the slider appears when the wire winding frequency, and the slider appears in the production process, and the routing slider also exposed in the production of the routing frame, and the slider, and the routing efficiency is clear up through the routing cam.
In foretell routing chassis device, a plurality of winding wool tops of preventing are the circular arc distribution, relative with the routing groove of routing cam, can be better prevent that the middle wire winding from appearing in the routing cam, the frequency of wire winding has been reduced, and when the both ends wire winding of small probability appears, open routing frame body through the effect of slider and slide rail, expose the routing cam, also be convenient for clear up the wire winding, step has improved production efficiency.
In foretell routing chassis device, the mount pad is including being used for all being massive installation department, connecting portion and spacing portion, installation department and spacing portion are buckled respectively to both sides by the both ends of connecting portion and form, the end of slide rail and guide bar is all fixed on connecting portion, routing frame side has to lean on the arm, the routing frame is around pin joint downwardly swinging, and it can support tightly to lean on the arm to fix a position in spacing portion to support under compression spring's effect the installation department is fixed on the sewing machine casing, and whole mount pad roughly is the zigzag for routing frame body can not take place to interfere with the installation of other parts, and the routing frame body is located the side of mount pad in addition, supports under compression spring's effect during operating condition and leans on the arm to tightly fix a position in spacing portion, and stability is good, and difficult the work that can guarantee normal work, has improved work efficiency.
In the wire bonding chassis device, the abutting arm is provided with the abutting surface and the pressing surface which are arranged in an intersecting mode, the abutting surface abuts against the side face of the limiting portion under the action of the compression spring, and the pressing surface is pressed against the top face of the limiting portion. The support arm is the downward sloping state when swinging downwards, supports the structural design who leans on the face and compress tightly the face of leaning on the arm, cooperation compression spring's elastic force effect for support that leans on the face of leaning on the arm can tightly support and press on the side of spacing portion, compress tightly the face and have the trend that compresses tightly spacing portion top surface downwards all the time, support arm and spacing portion location back stability good, can guarantee normal work, improved work efficiency.
In the wire bonding underframe device, an included angle between the abutting surface and the pressing surface is an acute angle. Support and be the downward sloping state when leaning on the arm downswing, under compression spring's elastic force effect, support the arm to support to press on spacing portion's side that can tightly, because the contained angle that compresses tightly face and support between the face is the acute angle, make when compressing tightly the face and having the trend that compresses tightly spacing portion top surface downwards all the time, support and lean on the arm still all the time to have the trend that the inside hook of spacing portion is tight, support and lean on the arm and spacing portion location back stability better, can guarantee normal work, improved work efficiency.
In the above wire bonding chassis device, the number of the wire passing pieces is two, and the two wire passing pieces are respectively located at two sides of the wire bonding piece.
A sewing machine, which is characterized by comprising the wire bonding underframe device.
Compared with the prior art, the routing underframe device has the advantages that 1, the whole routing frame structure is greatly simplified, and cost is effectively reduced 2, the routing frame body is in sliding connection in a matching mode of the sliding block and the sliding rail, when the problem of middle winding of a routing cam or winding of two sides of routing occurs, the routing frame body can move outwards to expose the routing cam through the matching effect of the sliding block and the sliding rail by opening the routing frame body, so that an operator has enough operating space, the routing is convenient to clean, production efficiency is improved, the routing frame body can move outwards, threading is also convenient, 3, a plurality of winding-preventing wool strips are arranged in the middle of the routing frame and are positioned right below the routing sheet and opposite to routing grooves of the routing cam, middle winding of the routing cam can be effectively prevented, the frequency of winding is reduced, and production efficiency is improved by advancing .
Drawings
Fig. 1 is a mounting structure view of the wire bonding chassis device.
Fig. 2 is a three-dimensional structure diagram of the wire bonding chassis device.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is an exploded view of the present wire bonding chassis assembly.
In the figure, 1, a sewing machine housing; 2. a mounting seat; 2a, an installation part; 2b, a connecting part; 2c, a limiting part; 3. a wire bonding frame body; 3a, a routing sheet; 3b, a wire passing sheet; 3c, a yielding groove; 4. a slide rail; 5. a slider; 5a, a guide chute; 6. a compression spring; 7. a limiting member; 8. a guide bar; 9. routing a cam; 10. winding prevention wool tops; 11. a leaning arm; 11a, an abutting surface; 11b, a pressing surface.
Detailed Description
The following is a description of specific embodiments of the present invention with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, the sewing machine includes a sewing machine housing 1 and a stitch cam 9 having a stitch groove. This routing chassis device is including being used for fixing mount pad 2 on sewing machine casing 1 and having routing piece 3a and two routing frame bodies 3 of crossing line piece 3b, and routing frame body 3's middle part has along length direction extension and can supply the groove of stepping down 3c that routing cam 9 passed, and routing piece 3a is arranged in the groove of stepping down 3c and is relative with the routing groove of routing cam 9, and two are crossed the border department that line piece 3b connects respectively in groove of stepping down 3c both sides.
As shown in fig. 2 and 4, a columnar slide rail 4 is disposed on the mounting base 2, an extending direction of the slide rail 4 corresponds to of the routing frame body 3, a end of the slide rail 4 is fixed on the mounting base 2, another end of the slide rail 4 is provided with a limiting part 7, the slide rail 4 is slidably connected with a slider 5, the slide rail 4 is further sleeved with a compression spring 6, a 6 end of the compression spring 6 abuts against the limiting part 7, another end abuts against the slider 5, a 3 end of the routing frame body 3 is hinged to a side of the slider 5, another end can be positioned on the mounting base 2 by swinging around a hinge point, the compression spring 6 is compressed, the limiting part 7 is a snap spring, when the problem of middle winding of the routing cam 9 or winding on two sides of the routing frame body occurs, the routing frame body 3 is pulled upwards, a clamping point of the routing frame body 3 leaves the mounting base 2, the routing frame body 3 is separated from the mounting base 2, then the slider 5 is pushed to move outwards, at this time, the cam 9 can be completely exposed, and an operator can push the routing frame body to move outwards together with the routing frame, the routing frame can also facilitate production operation personnel.
As shown in fig. 2 and 4, direction spout 5a has still been seted up on the top of slider 5, be connected with guide bar 8 on the mount pad 2, guide bar 8 and 4 parallel arrangement of slide rail, guide bar 8 slides to inlay and establishes in direction spout 5a, guide effects play, simultaneously slider 5, mount pad 2, can form rectangular frame's structure between slide rail 4 and the guide bar 8 four, it is more smooth and steady to make slider 5 slide under compression spring 6's effect, difficult incline, guarantee that routing cam 9 can expose completely, supply operating personnel to have sufficient operating space, be convenient for clear up the wire winding, it has improved production efficiency to advance steps.
As shown in fig. 3, a plurality of strip-shaped anti-winding wool strips 10 are further arranged in the abdicating groove 3c, the length direction of the anti-winding wool strips 10 is of the routing frame body 3, the anti-winding wool strips 10 are respectively located under the routing sheet 3a and are opposite to the routing groove of the routing cam 9, and the plurality of anti-winding wool strips 10 are distributed in an arc shape, so that middle winding of the routing cam 9 can be effectively prevented, and the winding frequency is reduced.
Specifically, as shown in fig. 2 and 4, the whole mounting base 2 is substantially in a zigzag shape, the mounting base 2 includes a mounting portion 2a, a connecting portion 2b and a limiting portion 2c which are all in a block shape, the mounting portion 2a and the limiting portion 2c are respectively formed by bending two ends of the connecting portion 2b towards two sides, the mounting portion 2a is fixed on the sewing machine case 1, the sliding rail 4 and the end of the guide rod 8 are fixed on the connecting portion 2b, the wire bonding frame body 3 side is provided with an abutting arm 11, the wire bonding frame body 3 swings downwards around a hinge point, and the abutting arm 11 can abut against the limiting portion 2c to be positioned under the action of the compression spring 6.
the abutting arm 11 has an abutting surface 11a and a pressing surface 11b intersecting with each other, the angle between the abutting surface 11a and the pressing surface 11b is acute, the abutting surface 11a abuts against the side surface of the position limiting portion 2c under the action of the compression spring 6, and the pressing surface 11b presses against the top surface of the position limiting portion 2 c.
Claims (9)
- The wire bonding underframe device comprises a mounting seat (2) and a wire bonding frame body (3) with a wire bonding sheet (3a) and a wire passing sheet (3b), and is characterized in that a long-strip-shaped sliding rail (4) is arranged on the mounting seat (2), the extending direction of the sliding rail (4) is of the wire bonding frame body (3), a sliding block (5) is connected onto the sliding rail (4) in a sliding mode, the end of the wire bonding frame body (3) is hinged to the side of the sliding block (5), the end can be positioned on the mounting seat (2) through swinging around a hinge point, the sliding rail (4) is columnar, the sliding block (5) is sleeved on the sliding rail (4) in a sliding mode, a compression spring (6) is further sleeved on the sliding rail (4), the end of the sliding rail (4) is fixed on the mounting seat (2), the end of the sliding rail (4) is provided with a limiting piece (7), the end of the compression spring (6) abuts on the limiting piece (7), and the hinge point (78) abuts on the mounting seat (2) and is positioned when the wire bonding frame body (3) swings around the hinge point (3).
- 2. The wire bonding underframe device according to claim 1, wherein a guide chute (5a) is further formed in the top end of the slide block (5), a guide rod (8) is connected to the mounting seat (2), the guide rod (8) is arranged in parallel with the slide rail (4), and the guide rod (8) is slidably embedded in the guide chute (5 a).
- 3. The wire bonding chassis device according to claim 1 or 2, wherein the wire bonding chassis device comprises a wire bonding cam (9) having a wire bonding groove, the middle portion of the wire bonding frame body (3) has an abdicating groove (3c) extending along the length direction and allowing the wire bonding cam (9) to pass through, the wire bonding sheet (3a) is located in the abdicating groove (3c) and opposite to the wire bonding groove of the wire bonding cam (9), the two wire passing sheets (3b) are respectively connected at the edge positions of two sides of the abdicating groove (3c), a plurality of anti-winding wool strips (10) which are long strips are further arranged in the abdicating groove (3c), the length direction of the anti-winding wool strips (10) is opposite to the length direction of the wire bonding frame body (3), and the anti-winding wool strips (10) are respectively located under the wire bonding sheet (3a) and opposite to the wire bonding groove of the wire bonding cam (9).
- 4. Wire bonding base frame device according to claim 3, characterized in that the winding-preventing tops (10) are distributed in the form of a circular arc.
- 5. The wire bonding underframe device according to claim 4, wherein the mounting seat (2) comprises a mounting part (2a), a connecting part (2b) and a limiting part (2c) which are all in a block shape, the mounting part (2a) and the limiting part (2c) are respectively formed by bending two ends of the connecting part (2b) towards two sides, ends of the sliding rail (4) and the guide rod (8) are both fixed on the connecting part (2b), the abutting arm (11) is arranged on the wire bonding frame side, the wire bonding frame swings downwards around a hinge point, and the abutting arm (11) can abut against the limiting part (2c) to be positioned under the action of the compression spring (6).
- 6. The wire bonding chassis device according to claim 5, wherein the abutting arm (11) has an abutting surface (11a) and a pressing surface (11b) which are arranged in an intersecting manner, the abutting surface (11a) abuts against the side surface of the limiting portion (2c) under the action of the compression spring (6), and the pressing surface (11b) presses against the top surface of the limiting portion (2 c).
- 7. The wire bonding chassis device according to claim 6, wherein the angle between the abutting surface (11a) and the pressing surface (11b) is acute.
- 8. The wire bonding chassis device according to claim 1 or 2, wherein the number of the wire guiding tabs (3b) is two, and the two wire guiding tabs are respectively located on two sides of the wire bonding tab (3 a).
- A sewing machine of the type 9, , comprising a stitch bonding base assembly as defined in any of claims 1 to 8, .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252747.1A CN106835524B (en) | 2016-12-30 | 2016-12-30 | wire bonding underframe device and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252747.1A CN106835524B (en) | 2016-12-30 | 2016-12-30 | wire bonding underframe device and sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106835524A CN106835524A (en) | 2017-06-13 |
| CN106835524B true CN106835524B (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611252747.1A Active CN106835524B (en) | 2016-12-30 | 2016-12-30 | wire bonding underframe device and sewing machine |
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| Country | Link |
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| CN (1) | CN106835524B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200940197Y (en) * | 2006-06-23 | 2007-08-29 | 高洪彪 | Bottom thread winding free type sewing machine bottom thread device |
| CN201169681Y (en) * | 2007-11-09 | 2008-12-24 | 精机机械厂股份有限公司 | Winding-proof structure of sewing machine cam |
| CN202047244U (en) * | 2011-04-28 | 2011-11-23 | 浙江鸿立缝制设备有限公司 | Cam thread throwing mechanism of flat seaming machine |
| CN203462256U (en) * | 2013-09-26 | 2014-03-05 | 浙江百惠缝纫机有限公司 | Cam thread sorting mechanism of multi-needle machine |
| CN104878528A (en) * | 2015-06-15 | 2015-09-02 | 杰克缝纫机股份有限公司 | Bottom thread control mechanism for sewing machine |
| CN204753078U (en) * | 2015-06-17 | 2015-11-11 | 拓卡奔马机电科技有限公司 | Sewing machine routing cam structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4995447B2 (en) * | 2005-08-16 | 2012-08-08 | 株式会社鈴木製作所 | Flat stitch sewing machine |
-
2016
- 2016-12-30 CN CN201611252747.1A patent/CN106835524B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200940197Y (en) * | 2006-06-23 | 2007-08-29 | 高洪彪 | Bottom thread winding free type sewing machine bottom thread device |
| CN201169681Y (en) * | 2007-11-09 | 2008-12-24 | 精机机械厂股份有限公司 | Winding-proof structure of sewing machine cam |
| CN202047244U (en) * | 2011-04-28 | 2011-11-23 | 浙江鸿立缝制设备有限公司 | Cam thread throwing mechanism of flat seaming machine |
| CN203462256U (en) * | 2013-09-26 | 2014-03-05 | 浙江百惠缝纫机有限公司 | Cam thread sorting mechanism of multi-needle machine |
| CN104878528A (en) * | 2015-06-15 | 2015-09-02 | 杰克缝纫机股份有限公司 | Bottom thread control mechanism for sewing machine |
| CN204753078U (en) * | 2015-06-17 | 2015-11-11 | 拓卡奔马机电科技有限公司 | Sewing machine routing cam structure |
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| CN106835524A (en) | 2017-06-13 |
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Address after: 318014 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
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