CN105908394B - Wire bonding mechanism of sewing machines - Google Patents
Wire bonding mechanism of sewing machines Download PDFInfo
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- CN105908394B CN105908394B CN201610531913.5A CN201610531913A CN105908394B CN 105908394 B CN105908394 B CN 105908394B CN 201610531913 A CN201610531913 A CN 201610531913A CN 105908394 B CN105908394 B CN 105908394B
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- routing
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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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- Sewing Machines And Sewing (AREA)
Abstract
The invention provides a wire bonding mechanism of a sewing machine, which belongs to the technical field of sewing machines and solves the problem of low safety of the conventional wire bonding mechanism, the wire bonding mechanism of the sewing machine comprises a wire bonding cam, a wire bonding frame, a wire bonding limiting plate and a wire bonding mounting plate, wherein the wire bonding mounting plate is fixed on a machine shell, the wire bonding frame is rotatably connected onto the wire bonding mounting plate through a wire bonding pin shaft, a return torsion spring is arranged between the wire bonding frame and the wire bonding mounting plate, the wire bonding limiting plate is rotatably connected onto the wire bonding mounting plate through an axial positioning pin shaft and positioned on the side of the wire bonding frame, a limiting groove is arranged on the wire bonding limiting plate, a positioning pin is arranged on the wire bonding frame, a wire bonding sheet of the wire bonding frame extends into the wire bonding groove when the positioning pin is embedded and positioned in the limiting groove, the upper end of the wire bonding limiting plate can limit the positioning pin when the positioning pin is separated from the limiting groove and swings upwards, the wire bonding limiting plate is arranged on the side of the wire bonding frame, the hands of.
Description
Technical Field
The invention belongs to the technical field of sewing machines, and relates to a wire bonding mechanism of sewing machines.
Background
The sewing machine is a machine which uses or a plurality of sewing threads to form or a plurality of stitches on a sewing material so as to interweave or sew layers or a plurality of layers of sewing materials, the sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fibers and the like, and products such as leather, plastics, paper and the like, the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, the flat seaming machine is also called a special sewing machine, the sewed stitches are chain type sewing stitches which are mostly used for collars, edges, hemps, seams, splicing seams, edges and the like of knitted clothes, the existing flat seaming machine adopts cam control for thread supply and take-up of a bending needle, is conventionally called a cam thread sewing mechanism, the cam thread sewing mechanism is used for tightening times of bottom threads every circles of a cam, and picking up thread quantity required by a lower thread 2 needle, the existing thread sewing mechanism is used for installing a routing cam on a main shaft, the routing frame is installed on the head, the routing frame is matched with the large cam, the routing frame, the routing mechanism is installed in the middle of the fixed routing frame, the routing mechanism is difficult to install the routing frame, the routing mechanism, the routing frame, the routing mechanism is installed in the fixed routing frame, the routing mechanism is difficult to install the routing frame, the routing mechanism is installed in the fixed.
In view of the above, the chinese patent application (application No.: 201220694687.X) discloses flat seaming machine routing devices, in which routing cams are fixedly mounted on auxiliary shafts, routing racks are hinged on a head housing on the upper side of the routing cams, wherein the auxiliary shafts are driven by a main shaft through a transmission device, the auxiliary shafts are disposed on the vertical walls on the front side of the head housing, the routing cams are externally disposed with routing racks capable of rotating around a rotating shaft on the rear portion, the routing cams are provided with two cam pieces spaced apart from each other by on a hollow cam shaft, the routing racks are U-shaped racks provided on the outer sides of the two cam pieces with threading holes, and threading rings are disposed in the middle.
Disclosure of Invention
The invention aims to provide wire bonding mechanisms of sewing machines aiming at the problems in the prior art, and the technical problem to be solved by the invention is how to improve the operation safety of the wire bonding mechanisms, and meanwhile, the wire bonding mechanisms are more compact in structure and lower in cost.
The object of the invention can be achieved by adopting the following technical scheme that the wire bonding mechanism of sewing machines comprises a machine shell, the wire bonding mechanism comprises a wire bonding cam with a wire bonding groove and a wire bonding frame with a wire bonding sheet and two wire passing sheets, the wire bonding cam is rotatably connected to the machine shell through a wire bonding shaft, the wire bonding frame is positioned above the wire bonding cam, the two wire passing sheets are respectively positioned at two sides of the wire bonding sheet, the wire bonding mechanism is characterized by further comprising a wire bonding limiting plate, the wire bonding frame is rotatably connected to the machine shell through a wire bonding pin shaft, a return torsion spring enabling the wire bonding frame to always swing upwards to be far away from the wire bonding cam is arranged between the wire bonding frame and the machine shell, the wire bonding limiting plate is rotatably connected to the machine shell through an axial positioning pin shaft and positioned at the side of the wire bonding frame, a limiting groove is formed in the wire bonding limiting plate, a positioning pin is arranged on the wire bonding frame, and when the positioning pin is embedded and positioned in the limiting groove, the positioning pin can limit the positioning pin to the limiting plate when the upper end of the wire bonding frame is separated from the limiting groove.
The sewing mechanism of the flat seaming machine has the working principle that when the sewing mechanism works, a positioning pin on a routing frame is clamped in a limiting groove of a routing limiting plate, at the moment, a return torsion spring is in a torsion state, routing pieces on the routing frame are positioned in the routing groove, two routing pieces are positioned at two sides of a routing cam, a sewing thread sequentially passes through the routing pieces, the routing pieces and is pressed by the routing cam to be M-shaped, the routing cam is driven to rotate by the rotation of the routing shaft, the sewing thread is tightened for times when the routing cam rotates for circles, the thread quantity required by a lower needle is picked out, when the thread is broken and needs to be threaded again, the routing limiting plate is pulled to swing around an axial positioning pin shaft, the positioning pin is separated from the limiting groove, the routing frame swings upwards under the action of a return torsion spring , the upper end of the routing limiting plate can limit the positioning pin, and at the moment, the routing piece is far away from the routing groove of the routing cam, so.
This mechanism of bonding wire sets up the routing limiting plate in the side of routing frame, the unique structural design of cooperation routing limiting plate simultaneously, when needing the threading, lightly press the routing limiting plate can, and operating personnel's hand is in the side of routing frame during the operation, can not be pressed from both sides by the routing frame, and the routing frame carries on spacingly through the mating reaction of locating pin and routing limiting plate, can not contact with the casing, it can not be beaten by the routing frame to advance step has guaranteed operating personnel's hand, and the security is good, and during the operation, only need press down gently the routing limiting plate let the locating pin break away from can, it is comparatively convenient to operate.
In foretell sewing machine's routing mechanism, routing mechanism is still including fixing the routing mounting panel on the casing, the routing mounting panel includes vertical setting and is platelike installation department, the routing frame rotates through routing round pin axle to be connected the upper end of installation department, the routing limiting plate rotates through axial positioning round pin axle to be connected the lower extreme of installation department.
In the above-mentioned sewing machine's mechanism of marking, the upper end of routing limiting plate has when the locating pin breaks away from the spacing groove and upwards swings can carry out spacing fender edge to the locating pin, when the broken string needs rethreading, pull routing limiting plate and make it swing around axial locating pin axle, the locating pin breaks away from the spacing groove, the routing frame upwards swings under the effect of return torsional spring , the locating pin supports and leans on spacing protruding edge, at this moment, the routing piece is kept away from the routing groove of routing cam, the threading of being convenient for.
In foretell sewing machine's mechanism of marking a thread, the spacing groove is located the side of routing limiting plate, spacing fender is followed the upper end by the routing limiting plate and is formed to this lateral buckling, the spacing groove is located the below that spacing fender was followed, spacing fender has still seted up the constant head tank on following, the locating pin axle can imbed in the constant head tank the design of constant head tank for the locating pin supports and can imbed the location after keeping off along last, is difficult for breaking away from, thereby makes the routing frame spacing up wobbling stroke under the effect of return torsional spring by spacing, advances step and has guaranteed that operating personnel's hand can not be hit by the routing frame, and the security is good.
In foretell sewing machine's mechanism of marking, the spacing groove is located the side of routing limiting plate, spacing fender is followed by the upper end of routing limiting plate to this side bending type and is formed, the spacing groove is located the below that spacing fender was followed, spacing fender along with contained angle between the routing limiting plate is the acute angle, spacing fender is followed and is the acute angle with the contained angle between the routing limiting plate for the locating pin supports to have trend of pushing down to the locating pin after keeping off along last, and the locating pin is difficult for breaking away from, thereby makes the routing frame by spacing under the effect of return torsional spring to the stroke of upwards swinging, advances step and has guaranteed that operating personnel's hand can not beaten by the routing frame, and the security is good.
In the above-mentioned sewing machine's mechanism of marking, still the cover is equipped with round pin axle sleeve (14) on routing round pin axle (7), round pin axle sleeve (14) are located between above-mentioned routing mounting panel (6) and the routing frame (3), the upper end of routing limiting plate (5) is the straight strip and is located between locating pin (3c) and round pin axle sleeve (14), when locating pin (3c) breaks away from spacing groove (5a) and upwards swings, locating pin (3c) and round pin axle sleeve (14) support respectively and lean on the upper end both sides of routing limiting plate (5), when the broken string needs rethread, pull the routing limiting plate and make it swing around axial positioning round pin axle, the locating pin breaks away from the spacing groove, the return frame upwards swings under the effect of torsional spring , the locating pin supports and leans on the upper end of routing limiting plate again and realizes spacing on round pin axle sleeve, and at this moment, the routing groove of cam is kept away from to the routing piece, is convenient for routing.
In the above-mentioned sewing machine's mechanism of marking line, still be equipped with between routing limiting plate and the routing mounting panel and make the routing limiting plate have the return torsional spring two that swings forward and compress tightly the locating pin axle trend all the time, the end of return torsional spring two is fixed with the routing limiting plate, end is fixed with the routing mounting panel in addition, through designing return torsional spring two, no matter the locating pin is embedded in the spacing inslot or supports and keep off along last, the routing limiting plate all has the trend of pushing down to the locating pin, cooperates the effect of return torsional spring simultaneously, forms triangle-shaped dead centers, can be fine play spacing effect, prevent that the locating pin from breaking away from, steps have advanced guaranteed that operating personnel's hand can not hit by the routing frame, and the security is good.
In foretell sewing machine's routing mechanism, the lower extreme of routing limiting plate forms the routing spanner to keeping away from side bending type of spacing groove, the routing spanner is worn out from the below of routing axle, can not take place to interfere with the routing axle, only need during the operation gently press down the routing spanner can, easy and simple to handle, and the position design of routing spanner moreover for operating personnel's hand can not take place any intersection with the routing frame during the operation, can not reach by the routing frame during the operation, and the security is better.
In the thread bonding mechanism of the sewing machine, the penetrating end of the thread bonding wrench is provided with the pressing part which is formed by bending outwards, and the pressing part is plate-shaped and is arranged along the horizontal direction. The design of the plate-shaped pressing part arranged along the horizontal direction improves the convenience and the comfort of operation.
In foretell sewing machine's the mechanism of marking a thread, the side of keeping away from the spacing groove on the routing limiting plate still has arc groove of stepping down , the line of marking passes arc groove of stepping down and part is located arc groove of stepping down , the outer peripheral face of the line of marking and the arc groove of stepping down 's cell wall between have the clearance arc groove of stepping down 's design for can not take place to interfere between line of marking and the routing limiting plate, guaranteed that the line of marking limiting plate can swing and the rotation that the line of marking can be free, guarantee normal operation.
In foretell sewing machine's the mechanism of beating the line, the mechanism of beating the line still is including the mount pad that is the cuboid form, the mount pad links firmly on the casing, the routing mounting panel still includes the level setting at the fixed part, the fixed part passes through the fix with screw laminating on the last lateral wall of mount pad, the installation department laminating is in on the left side wall of mount pad, the routing axle passes the left side wall and the right side wall of mount pad and rotates through bearing assembly and connect on the mount pad. Through the unique structural design of mount pad and routing mounting panel, concentrate the installation with routing limiting plate and routing frame, compact structure nature is better, has reduced required cost, leads to routing mechanism to be close to operating personnel installation moreover, has improved the simplicity and convenience of operation.
In the thread bonding mechanism of the sewing machine, the thread bonding pin shaft is further sleeved with a torsion spring limiting sleeve, the torsion spring limiting sleeve is fixedly connected with the thread bonding mounting plate, the return torsion spring is located in the torsion spring limiting sleeve, end of the return torsion spring is fixed on the torsion spring limiting sleeve, the other end of the return torsion spring is fixed on the thread bonding frame, an embedded groove is formed in the torsion spring limiting sleeve, end of the return torsion spring is fixedly hooked on the thread bonding frame, and the other end of the return torsion spring is embedded in the embedded groove of the torsion spring.
The sewing machine stitching mechanism comprises a stitching cam and a stitching shaft, wherein the stitching cam comprises two cam sheets fixed on a stitching shaft, the two cam sheets are arranged side by side at intervals, a gap between the two cam sheets forms the stitching groove, the two cam sheets can tension the sewing thread into an M shape, the stitching shaft rotates to drive the stitching cam to rotate, and the stitching cam tightens the sewing thread times every turns and picks out the thread amount required by a lower needle.
In foretell sewing machine's the mechanism of beating the line, beat the spool and still be fixed with two location retaining rings through the screw, two location retaining rings support respectively and lean on the left side wall and the right side wall of mount pad, the arc groove of stepping down has been seted up on the routing mounting panel and on the relative lateral wall of beating the spool, support and lean on in the location retaining ring part embedding arc groove of stepping down on the mount pad left side wall is two, the outer peripheral face of location retaining ring has the clearance with the arc between the cell wall of groove two of stepping down. Due to the design of the arc-shaped avoiding groove II, the wire bonding shaft and the wire bonding mounting plate cannot interfere with each other, and the wire bonding shaft can normally rotate.
Compared with the prior art, the wire bonding mechanism of the sewing machine has the following advantages:
1. the routing limiting plate and the routing frame are installed in a centralized mode through the routing installation plate, the structure is compact, and the required cost is reduced.
2. The routing limiting plate sets up in the side of routing frame, and the pin joint of routing limiting plate is located the below of routing frame pin joint moreover, cooperates the unique structural design of routing limiting plate simultaneously, when needing the threading, gently press the routing limiting plate can, at this moment, operating personnel's hand is in the below of the side of routing frame, can not be pressed from both sides by the routing frame and arrive, and the security is good, and the operation is also comparatively simple and convenient.
3. Through design return torsional spring two, no matter the locating pin is the embedding at the spacing inslot or support and lean on at spacing fender edge, the routing limiting plate has the trend of pushing down to the locating pin, cooperation return torsional spring 's effect simultaneously forms triangle-shaped dead points, can be fine play spacing effect, prevent that the locating pin from breaking away from, guaranteed the normal operating of mechanism of routing, it can not hit by the routing frame also to advance step simultaneously has guaranteed operating personnel's hand, and the security is good.
Drawings
FIG. 1 is a structural view of a thread bonding mechanism of the sewing machine.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is an exploded view of the thread bonding mechanism of the sewing machine.
FIG. 4 is an exploded view of the thread sewing mechanism of the third embodiment of the present invention.
In the drawing, the wire bonding machine comprises a machine shell 1, a wire bonding cam 2, a wire bonding groove 2a, a cam sheet 2b, a wire bonding frame 3, a wire bonding sheet 3a, a wire passing sheet 3b, a positioning pin 3c, a positioning pin 4, a wire bonding shaft 5, a wire bonding limiting plate 5, a limiting groove 5a, a limiting edge 5b, a limiting blocking edge 5b1, a positioning groove 5c, a wire bonding wrench 5c1, a pressing portion 5d, an arc-shaped abdicating groove , a wire bonding mounting plate 6a, a mounting portion 6b, a fixing portion 6c, an arc-shaped abdicating groove II 7, a wire bonding pin shaft 8, a reposition torsion spring , an axial positioning pin shaft 9, a reposition torsion spring II, a mounting seat 11, a torsion spring limiting sleeve 12, a positioning retaining ring 13, a positioning retaining ring 14 and a pin shaft sleeve.
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.
Example
As shown in fig. 1, the flat seaming machine comprises a machine shell 1, as shown in fig. 1-3, the wire bonding mechanism comprises a wire bonding cam 2 with a wire bonding groove 2a, a wire bonding frame 3 with a wire bonding sheet 3a and two wire passing sheets 3b, a wire bonding limiting plate 5, a wire bonding mounting plate 6 and a cuboid mounting seat 11, the mounting seat 11 is fixedly connected on the machine shell, and the wire bonding cam 2 is rotatably connected on the machine shell 1 through a wire bonding shaft 4.
As shown in fig. 3, the wire bonding mounting plate 6 includes a vertically arranged and plate-shaped mounting portion 6a and a horizontally arranged fixing portion 6b, the fixing portion 6b is fixedly attached to the upper side wall of the mounting base 11 through screws, the mounting portion 6a is attached to the left side wall of the mounting base 11, and the wire bonding shaft 4 penetrates through the left side wall and the right side wall of the mounting base 11 and is rotatably connected to the mounting base 11 through a bearing assembly.
The routing cam 2 comprises two cam pieces 2b fixed on a routing shaft 4, the two cam pieces 2b are arranged side by side at intervals, and a routing groove 2a is formed in a gap between the two cam pieces 2 b.
The wire bonding shaft 4 is further fixed with two positioning check rings 13 through screws, the two positioning check rings 13 are respectively abutted against the left side wall and the right side wall of the mounting seat 11, the arc-shaped abdicating groove two 6c is formed in the side wall, opposite to the wire bonding shaft 4, of the wire bonding mounting plate 6, the part of the positioning check ring 13 abutted against the left side wall of the mounting seat 11 is embedded into the arc-shaped abdicating groove two 6c, a gap is formed between the outer peripheral surface of the positioning check ring 13 and the groove wall of the arc-shaped abdicating groove two 6c, interference cannot occur between the wire bonding shaft 4 and the wire bonding mounting plate 6, and the rotation of the wire bonding shaft 4.
As shown in fig. 2 and 3, the wire bonding frame 3 is rotatably connected to the upper end of the mounting portion 6a by a wire bonding pin 7, a return torsion spring 8 is further disposed between the wire bonding frame 3 and the wire bonding mounting plate 6 to enable the wire bonding frame 3 to always swing upwards to be away from the wire bonding cam 2, the wire bonding frame 3 is located above the wire bonding cam 2, and the two wire guide pieces 3b are respectively located on two sides of the wire bonding piece 3 a. the wire bonding pin 7 is further sleeved with a torsion spring limiting sleeve 12, the torsion spring limiting sleeve 12 is fixedly connected with the wire bonding mounting plate 6, the return torsion spring 8 is located in the torsion spring limiting sleeve 12, a end is fixed on the torsion spring limiting sleeve 12, and the other end is fixed on the wire bonding frame 3.
Routing limiting plate 5 rotates through axial positioning pin 9 and connects the side that is located the routing frame 3 at the lower extreme of installation department 6a and routing limiting plate 5, and it has spacing groove 5a to open on the routing limiting plate 5, has locating pin 3c on the routing frame 3 and in routing piece 3a stretched into routing groove 2a when locating pin 3c embedding location was in spacing groove 5a, still has on the routing limiting plate 5 and can carry out spacing fender edge 5b to locating pin 3c when locating pin 3c breaks away from spacing groove 5a and upwards swings.
said step, the limiting groove 5a is located at side of the wire bonding limiting plate 5, the limiting blocking edge 5b is formed by bending the upper end of the wire bonding limiting plate 5 to the side, the limiting groove 5a is located below the limiting blocking edge 5b, the limiting blocking edge 5b is further provided with a positioning groove 5b1, the shaft of the positioning pin 3c can be embedded into a positioning groove 5b 1. a return torsion spring two 10 which makes the wire bonding limiting plate 5 swing forward to press the shaft of the positioning pin 3c is also arranged between the wire bonding limiting plate 5 and the wire bonding mounting plate 6, the end of the return torsion spring two 10 is fixed with the wire bonding limiting plate 5, and the end is fixed with the wire bonding mounting plate 6, no matter whether the positioning pin 3c is embedded into the limiting groove 5a or is abutted against the limiting blocking edge 5b, the wire bonding limiting plate 5 has a downward pressing tendency to the positioning pin 3c, and the return torsion spring forms triangular dead points which can play a good role of limiting, and prevent the lower end of the wire bonding wrench from breaking away from the wrench when the wire bonding rack 5c is bent and the wrench, and the wrench can not be pressed out along the horizontal axis 4935 c, and the wrench when the wire bonding rack 5c is pressed, the wrench can not be pressed by the wrench, and the wrench can be formed by the wrench when the wrench, and the wrench can be pressed by the wrench.
As shown in fig. 3, the side of routing limiting plate 5, which is far away from limiting groove 5a, is further provided with an arc-shaped receding groove 5d, routing shaft 4 passes through arc-shaped receding groove 5d and is partially located in arc-shaped receding groove 5d, and a gap is formed between the outer peripheral surface of routing shaft 4 and the groove wall of arc-shaped receding groove 5d, so that interference does not occur between routing shaft 4 and routing limiting plate 5, thereby ensuring that routing limiting plate 5 can swing and routing shaft 4 can rotate freely, and ensuring normal operation.
When the flat seaming mechanism of the flat seaming machine works, a positioning pin 3c on a routing frame 3 is clamped in a limiting groove 5a of a routing limiting plate 5, at the moment, a return torsion spring is in a torsion state, routing sheets 3a on the routing frame 3 are positioned in a routing groove 2a, two routing sheets 3b are positioned on two sides of a routing cam 2, sewing threads sequentially pass through the routing sheets 3b, the routing sheets 3a and the routing sheets 3b and are pressed by the routing cam 2 to be M-shaped, a routing shaft 4 rotates to drive the routing cam 2 to rotate, 2 circles of the routing cam 2 are tightened up times of sewing threads every time, and the required thread quantity of a lower needle is picked out.
Example two
The sewing machine thread bonding mechanism of the embodiment is basically the same as that of the embodiment , and is different in that a limiting groove 5a is located on the side of a thread bonding limiting plate 5, a limiting blocking edge 5b is formed by bending the upper end of the thread bonding limiting plate 5 to the side, the limiting groove 5a is located below the limiting blocking edge 5b, and an included angle between the limiting blocking edge 5b and the thread bonding limiting plate 5 is an acute angle, so that a positioning pin 3c has downward pressing trends after abutting against the limiting blocking edge 5b, the positioning pin 3c is not easy to break away, the upward swinging stroke of the thread bonding frame 3 under the action of a return torsion spring 8 is limited, steps are carried out, the hands of operators are prevented from being bonded by the thread bonding frame 3, and the safety is good.
EXAMPLE III
The sewing machine of the embodiment is basically the same as the sewing machine of the embodiment , and is different in that a pin shaft sleeve 14 is further sleeved on a routing pin shaft 7, the pin shaft sleeve 14 is located between the routing mounting plate 6 and the routing frame 3, the upper end of a routing limiting plate 5 is in a straight strip shape and located between a positioning pin 3c and the pin shaft sleeve 14, when the positioning pin 3c is separated from a limiting groove 5a and swings upwards, the positioning pin 3c and the pin shaft sleeve 14 respectively abut against two sides of the upper end of the routing limiting plate 5, when a broken wire needs to be threaded again, the routing limiting plate 5 is pulled to swing around an axial positioning pin shaft 9, the positioning pin 3c is separated from the limiting groove 5a, the routing frame 3 swings upwards under the action of a return torsion spring 8, the positioning pin 3c abuts against the upper end of the routing limiting plate 5, the upper end of the routing limiting plate 5 abuts against the pin shaft sleeve 14 to achieve limiting, and at the moment, the routing piece 3a is far away from a routing groove 2a of a routing.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
- The utility model provides a routing mechanism of kinds of sewing machine, sewing machine include casing (1), routing mechanism is including routing cam (2) that have routing groove (2a), have routing piece (3a) and two wire bonding piece (3b) wire bonding frame (3), routing cam (2) rotate through wire bonding axle (4) and connect on casing (1), wire bonding frame (3) are located routing cam (2) top, and two wire bonding piece (3b) are located the both sides of routing piece (3a) respectively, its characterized in that, routing mechanism still includes routing limiting plate (5), wire bonding frame (3) rotate through axial positioning pin axle (7) and connect in casing (1) just still be equipped with between wire bonding frame (3) and casing (1) and make wire bonding frame (3) have the return torsional spring (8) that upwards swing and keep away from cam (2) trend all the time, limiting plate (5) rotate through axial positioning pin axle (9) and connect just wire bonding frame (3) and casing (5) are located spacing groove (5) side spacing groove (3a) 5) swing locating pin (3) 5) and go into spacing groove (3a) 5) and spacing groove (3) swing and spacing groove (3) 5) are gone into when spacing wire bonding groove (5) swing and spacing groove (3) are gone up, spacing groove (5) swing and locating pin axle (3) swing and locating pin (3) are gone into.
- 2. The sewing machine's mechanism of beating of claim 1, characterized in that, beat the mechanism of beating the line still including fixing routing mounting panel (6) on casing (1), routing mounting panel (6) include vertical setting and be platelike installation department (6a), beat line frame (3) and rotate through routing round pin axle (7) and connect in the upper end of installation department (6a), routing limiting plate (5) rotate through axial positioning round pin axle (9) and connect in the lower extreme of installation department (6 a).
- 3. The sewing machine threading mechanism according to claim 2, characterized in that the upper end of the threading limit plate (5) has a limit stop edge (5b) capable of limiting the position of the positioning pin (3c) when the positioning pin (3c) is separated from the limit groove (5a) and swings upwards.
- 4. The sewing machine threading mechanism according to claim 3, wherein the limiting groove (5a) is located at side of the threading limiting plate (5), the limiting stop edge (5b) is formed by bending the upper end of the threading limiting plate (5) to the side, the limiting groove (5a) is located below the limiting stop edge (5b), the limiting stop edge (5b) is further provided with a positioning groove (5b1), and the shaft of the positioning pin (3c) can be embedded into the positioning groove (5b 1).
- 5. The sewing machine threading mechanism according to claim 3, wherein the limiting groove (5a) is located at side of the threading limiting plate (5), the limiting blocking edge (5b) is formed by bending the upper end of the threading limiting plate (5) towards the side, the limiting groove (5a) is located below the limiting blocking edge (5b), and the included angle between the limiting blocking edge (5b) and the threading limiting plate (5) is an acute angle.
- 6. The sewing machine's mechanism of beating of claim 2, characterized in that, still overlap on routing round pin axle (7) and be equipped with round pin axle sleeve (14), round pin axle sleeve (14) are located between above-mentioned routing mounting panel (6) and the line frame (3), the upper end of routing limiting plate (5) is the vertical bar and is located between locating pin (3c) and round pin axle sleeve (14), and when locating pin (3c) break away from spacing groove (5a) and upwards swung, locating pin (3c) and round pin axle sleeve (14) are supported respectively and are leaned on the upper end both sides of routing limiting plate (5).
- 7. The sewing machine thread bonding mechanism according to claim 2, 3, 4, 5 or 6, characterized in that a second return torsion spring (10) is further disposed between the thread bonding limiting plate (5) and the thread bonding mounting plate (6) to make the thread bonding limiting plate (5) always have a tendency of swinging forward to press the axis of the positioning pin (3c), an end of the second return torsion spring (10) is fixed to the thread bonding limiting plate (5), and another end is fixed to the thread bonding mounting plate (6).
- 8. The thread bonding mechanism of sewing machine according to any of claims 1-6 to , wherein the lower end of the thread bonding limiting plate (5) is bent to the side away from the limiting groove (5a) to form a thread bonding wrench (5c), and the thread bonding wrench (5c) is passed out from the lower part of the thread bonding shaft (4).
- 9. The thread bonding mechanism of sewing machine according to any of claims 1-6, wherein the side of the thread bonding limit plate (5) away from the limit groove (5a) is further provided with an arc-shaped receding groove (5d), the thread bonding shaft (4) passes through the arc-shaped receding groove (5d) and is partially located in the arc-shaped receding groove (5d), and a gap is provided between the outer peripheral surface of the thread bonding shaft (4) and the groove wall of the arc-shaped receding groove (5 d).
- 10. The sewing machine's mechanism of beating line of claim 2 or 3 or 4 or 5 or 6, characterized in that still cover on throwing round pin axle (7) and be equipped with torsional spring stop collar (12), torsional spring stop collar (12) with throwing mounting panel (6) link firmly, return torsional spring (8) are located torsional spring stop collar (12) and end is fixed on torsional spring stop collar (12), another end is fixed on beating the line frame (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531913.5A CN105908394B (en) | 2016-06-30 | 2016-06-30 | Wire bonding mechanism of sewing machines |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531913.5A CN105908394B (en) | 2016-06-30 | 2016-06-30 | Wire bonding mechanism of sewing machines |
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| CN105908394B true CN105908394B (en) | 2020-01-31 |
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|---|---|---|---|---|
| CN106757841B (en) * | 2016-12-19 | 2020-08-04 | 杰克缝纫机股份有限公司 | Routing frame structure and sewing machine |
| CN109868573B (en) * | 2019-04-10 | 2021-10-22 | 杰克缝纫机股份有限公司 | Sewing machine and routing mechanism thereof |
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| CN204780199U (en) * | 2015-06-15 | 2015-11-18 | 杰克缝纫机股份有限公司 | Sewing machine bottom line control mechanism |
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| JP2002369991A (en) * | 2001-06-14 | 2002-12-24 | Pegasus Sewing Mach Mfg Co Ltd | Bobbin thread control mechanism of sewing machine |
| 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 |
| CN202055017U (en) * | 2011-04-29 | 2011-11-30 | 新杰克缝纫机股份有限公司 | Throwing device for sewing machine |
| CN203754984U (en) * | 2014-03-10 | 2014-08-06 | 新杰克缝纫机股份有限公司 | Solid routing cam device of sewing machine |
| CN204780199U (en) * | 2015-06-15 | 2015-11-18 | 杰克缝纫机股份有限公司 | Sewing machine bottom line control mechanism |
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| CN105908394A (en) | 2016-08-31 |
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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. |