CN207904534U - A kind of thread releasing mechanism of chain type bead edging machine - Google Patents
A kind of thread releasing mechanism of chain type bead edging machine Download PDFInfo
- Publication number
- CN207904534U CN207904534U CN201721824754.4U CN201721824754U CN207904534U CN 207904534 U CN207904534 U CN 207904534U CN 201721824754 U CN201721824754 U CN 201721824754U CN 207904534 U CN207904534 U CN 207904534U
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- CN
- China
- Prior art keywords
- needle
- loose ends
- axle sleeve
- line
- swing arm
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Abstract
The utility model discloses a kind of thread releasing mechanisms of chain type bead edging machine,Including casing,The casing is rotatably connected to axle sleeve,The axle sleeve is connected with the runner assembly for driving axle sleeve to be rotated,The periphery of the axle sleeve is fixedly connected with swing arm,The one end of the swing arm far from axle sleeve is connected with the loose ends needle for hook line,Axle sleeve drives loose ends needle to be moved towards line by swing arm,Loose ends pinhock lives band moving-wire after line and continues to move to after a distance to be carried out resetting runner assembly by axle sleeve drive again that axle sleeve is driven to be rotated,Axle sleeve drives swing arm to be rotated,Swing arm drives loose ends needle to be rotated,Loose ends needle is moved towards line,Band moving-wire continues to move to a distance after loose ends pinhock lives line,To make line of the sewing on cloth more relax,Then loose ends needle is resetted by axle sleeve drive again,It prepares for loose ends next time.
Description
Technical field
The utility model is related to sewing mechanical equipment field, more particularly to a kind of thread releasing mechanism of chain type bead edging machine.
Background technology
Common chain type bead edging machine generally includes line sending needle drive mechanism, line sending needle, hook line needle drive mechanism, hook line needle,
Staight needle, crochet hook, straight, the crochet hook driving mechanism for driving that the staight needle and crochet hook move, workbench.During work, directly
Needle and crochet hook pump, and line sending needle does the reciprocating motion far from and close to hook line needle, and hook line needle is perpendicular to line sending
Make reciprocally swinging in the plane of needle movement plane.Line is passed through in the string holes on staight needle, staight needle takes cloth of the line on workbench
After material, the line in string holes is pushed to hook line needle by line sending needle, and crochet hook passes through the line hook on hook line needle after the cloth on workbench extremely
Below workbench, the sewing of a cycle is so far completed.
Notification number is that the Chinese patent of CN203890656U discloses a kind of chain type bead edging machine, including line sending needle driving machine
Structure, line sending needle, hook line needle drive mechanism, hook line needle, staight needle, crochet hook, for drive that the staight needle and the crochet hook move it is straight,
Crochet hook driving mechanism, workbench, the staight needle, the crochet hook, straight, the crochet hook driving mechanism are located under the workbench
Side；The line sending needle drive mechanism, the line sending needle, the hook line needle drive mechanism, the hook line needle are located at the workbench
Top.
But the chain type bead edging machine is without thread releasing mechanism, and in practical sewing process, the line sewed on cloth is in tight shape
State causes the threading position of cloth close to each other so that fold occurs in the design on fabric surface of sewing, has much room for improvement.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of loose ends machines of chain type bead edging machine
Structure plays relexation to line so that the design on fabric surface of sewing is smooth.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of thread releasing mechanism of chain type bead edging machine, including be arranged in casing and be rotatablely connected with casing main shaft, be socketed on
The axle sleeve of main shaft, is provided with the runner assembly for driving axle sleeve to be rotated on the casing of the main shaft side, the axle sleeve it is remote
One end from runner assembly is fixedly connected with swing arm, and the one end of the swing arm far from lever is connected with the loose ends for hook line
Needle, axle sleeve drive loose ends needle to be moved towards line by swing arm, loose ends pinhock live band moving-wire after line continue to move to one section away from
It is resetted again by lever drive from after.
By using above-mentioned technical proposal, runner assembly drives axle sleeve to be rotated, and axle sleeve drives swing arm to be rotated,
Swing arm drives loose ends needle to be rotated, and loose ends needle is moved towards line, and band moving-wire continues to move to one after loose ends pinhock lives line
Segment distance, to make line of the sewing on cloth more relax, then loose ends needle is resetted by axle sleeve drive again, for next time
Loose ends is prepared.
The utility model is further arranged to：The casing is fixedly connected with needle stand, and the needle stand is hinged with loose ends needle.
By using above-mentioned technical proposal, loose ends needle is driven by swing arm using the hinge point of loose ends needle and needle stand as shaft
It is rotated, and needle stand is fixedly connected on casing so that each rotation of loose ends needle is all rotated near needle stand, from
And keep the position probability that shifts of the loose ends needle every time after rotation smaller, and then to the work of line after making loose ends needle be close to line every time
Firmly approximately equal.
The utility model is further arranged to：The loose ends needle is connected with threaded rod, and the threaded rod is socketed with and swings
The fixed block of arm connection, the threaded rod are fixedly connected with pushing block close to one end of fixed block, and the threaded rod, which is socketed with, to be located at
Spring two between loose ends needle and fixed block.
By using above-mentioned technical proposal, fixed block is driven to be moved after swing arm rotation, fixed block passes through spring two
Loose ends needle is driven to be moved, after loose ends needle, which is moved to, is close to line, loose ends needle pushes line to be moved, and spring is by line to loose ends
The active force of needle and further compressed, reduce loose ends be directed to line motive force, prevent motive force mistake of the line because of loose ends needle
Big and mobile excessive distance.
The utility model is further arranged to：The threaded rod is socketed with the adjusting block being connected through a screw thread with threaded rod,
The spring two is between adjusting block and fixed block.
By using above-mentioned technical proposal, after loose ends needle contact line, loose ends generates motive force for line, and line is to loose ends needle
Reaction force is generated, to make adjusting block generate extruding force to spring two, spring two is compressed, the compression of spring two is passed through
Reduce the motive force that loose ends is directed to line, when the compression degree of spring two is higher, since spring two is difficult further to be compressed,
Active force reduction degree between loose ends needle and line is relatively low, otherwise the reduction degree of spring two is higher, according to not collinear material
The reduction degree of the active force of matter, the different adjustable springs two of diameter between loose ends needle and line, to make loose ends be directed to line
Play the role of better loose ends.
The utility model is further arranged to：The needle stand is provided with the fixing groove of perforation needle stand, and the needle stand is equipped with
The threaded post of fixing groove is penetrated through, the threaded post is socketed with the limited block in fixing groove, and the limited block is located at swing arm
Swing path on.
By using above-mentioned technical proposal, after swing arm, which is rocked to, is close to limited block, swing arm is limited block blocking, from
And so that the swing of each swing arm can stop at and be close on the position of limited block, so that the swing of each loose ends needle is all
It stops on identical position, loose ends needle is prevented to be moved through big distance with moving-wire because of extraneous factor.
The utility model is further arranged to：The limited block is connected through a screw thread with threaded post, and the threaded post is fixed
It is connected with the lever coaxial with threaded post.
By using above-mentioned technical proposal, when rotating lever, lever drives threaded post to be rotated, due to limited block position
In in fixing groove, limited block will not follow threaded post common rotation, therefore the rotation of threaded post can make limited block in fixing groove
It is moved along the length direction of fixing groove, therefore position of the limited block in fixing groove can be adjusted by rotating lever,
So as to adjust the swinging distance of swing arm.
The utility model is further arranged to：The threaded post is socketed with spring one, the spring one be located at adjusting block with
Between the cell wall of fixing groove, the spring one is close to one side of the adjusting block far from swing arm.
By using above-mentioned technical proposal, when swing arm turns to the position for being close to adjusting block, have one to adjusting block
Fixed impact force can resist the impact force by spring one, prevent adjusting block from being moved by swing arm drive.
The utility model is further arranged to：The runner assembly includes the connecting rod being fixedly connected with axle sleeve, the casing
It is fixedly connected with fixed link, spring three, the one end of the connecting rod far from axle sleeve are fixedly connected between the fixed link and connecting rod
Abutting has cam, the spring three to apply towards the active force close to cam direction connecting rod.
By using above-mentioned technical proposal, spring three makes connecting rod be abutted always with cam, can be driven by the rotation of cam
Connecting rod is moved, and connecting rod drives axle sleeve to be moved, and axle sleeve drives swing arm to be moved, and is completed by one circle of cam rotation
The primary swing of swing arm, to complete a loose ends operation.
In conclusion the utility model has the advantages that：
Band moving-wire continues to move to a distance after loose ends pinhock lives line, to make line of the sewing on cloth more relax,
And loose ends can be adjusted for the motive force and actuating length of line.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the structural schematic diagram after the removal casing of embodiment；
Connection relationship diagrams of the Fig. 3 between the swing arm of embodiment, needle stand, loose ends needle, adjusting part.
Reference numeral：1, casing；2, main shaft；3, axle sleeve；4, swing arm；5, needle stand；51, fixing groove；52, threaded post；
521, lever；53, limited block；54, spring one；6, loose ends needle；7, adjusting part；71, fixed block；72, threaded rod；73, it adjusts
Block；74, spring two；75, pushing block；8, runner assembly；81, connecting rod；82, fixed link；83, spring three；84, cam；841, concave arc
Face.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of thread releasing mechanism of chain type bead edging machine, including it is arranged in casing 1 and is rotatablely connected with casing 1
Main shaft 2, the axle sleeve 3 for being socketed on main shaft 2, axle sleeve 3 periphery be fixedly connected swing arm 4, be fixedly connected with casing 1 needle stand 5,
What is connected between the hinged loose ends needle 6, swing arm 4 and loose ends needle 6 for moving a distance with moving-wire with needle stand 5 is used to adjust
The rotating group for driving axle sleeve 3 to be rotated that whole loose ends needle 6 is connect with the adjusting part 7 of the intermolecular forces of line, with axle sleeve 3
Part 8.
As shown in Fig. 2, runner assembly 8 includes the connecting rod 81 being fixedly connected with axle sleeve 3, the fixation being fixedly connected with casing 1
The spring 3 83 being fixedly connected between bar 82, fixed link 82 and connecting rod 81, the cam abutted with the one end of connecting rod 81 far from axle sleeve 3
84, in the rotation process of cam 84, connecting rod 81 is abutted with the holding of cam 84 always by the pulling force effect of spring 3 83.Cam 84
Be connected with the driving mechanism rotated for driving cam 84, driving mechanism can be motor or with 2 meshed gears group of main shaft
Part.Cam 84 is provided with cancave cambered surface 841, when cancave cambered surface 841, which turns to, is close to connecting rod 81, pulling force of the connecting rod 81 by spring 3 83
Effect is moved to the position for being close to cancave cambered surface 841, and to make axle sleeve 3 rotate, axle sleeve 3 drives swing arm 4 to be swung, and puts
Swing arm 4 drives adjusting part 7 to be moved, and adjusting part 7 drives loose ends needle 6 to be swung, and loose ends needle 6, which turns to, is close to line
Afterwards, it hooks line and moves a distance with moving-wire, relexation is played to line, therefore the rotation of cam 84 keeps loose ends needle 6 complete in one week
It is operated at a loose ends.
To keep displacement distance of the loose ends needle 6 with moving-wire in each loose ends operation equal, as shown in figure 3, being provided on needle stand 5
Limit the component of 4 amplitude of fluctuation of swing arm.Needle stand 5 is provided with fixing groove of the opening direction perpendicular to the rotational plane of swing arm 4
51.Fixing groove 51 is equipped with the limited block 53 in the swing path of swing arm 4.Limited block 53 and needle stand 5 are equipped with and run through
The threaded post 52 of fixing groove 51, limited block 53 are connected through a screw thread with threaded post 52.Threaded post 52 is socketed with positioned at adjusting block 73
Spring 1 between the cell wall of fixing groove 51, spring 1 are close to one side of the adjusting block 73 far from swing arm 4.Threaded post 52
It is fixedly connected with coaxial lever 521, when rotating lever 521, threaded post 52 is driven to be rotated, and because 53 quilt of limited block
The limitation of fixing groove 51 will not follow threaded post 52 to be rotated, and limited block 53 can be with the rotation of threaded post 52 and along fixing groove 51
Length direction moved, therefore rotate position of the 521 adjustable limit block 53 of lever in fixing groove 51.And swing arm 4
After turning to and being close to limited block 53, one 54 buffer swing arm 4 of spring is to the active force of limited block 53, and swing arm 4 is by limited block
53 limitation does not continue to move, and to make the amplitude of fluctuation all same of swing arm 4 in each loose ends operation, and then makes each pine
Displacement distance of the loose ends needle 6 with moving-wire is equal in line operation.
Since not collinear material and/or diameter are different, to reach better loose ends effect, loose ends needle 6 is not for collinear
Motive force also need difference, therefore, as shown in figure 3, being connected with adjusting part 7 between swing arm 4 and loose ends needle 6.Adjusting group
Part 7 includes that the fixed block 71 being fixedly connected with swing arm 4, fixed block 71 and loose ends needle 6 are equipped with the same threaded rod 72, screw thread
Pushing block 75 that the one end of bar 72 far from loose ends needle 6 is fixedly connected is socketed on threaded rod 72 and is connected through a screw thread with threaded rod 72
Adjusting block 73, be socketed on threaded rod 72 and the spring 2 74 between adjusting block 73 and fixed block 71.When loose ends needle 6 rotates
To after being close to the position of line, loose ends needle 6 generates motive force to line, and line generates reaction force to loose ends needle 6, and loose ends needle 6 passes through spiral shell
Rasp bar 72 and adjusting block 73 act power to spring 2 74, and spring 2 74 is further compressed, and reduce loose ends needle 6 and are pushed away to line
Power can be such that adjusting block 73 is moved along the length direction of threaded rod 72, to adjustment spring by rotating adjusting block 73
2 74 length, when adjusting block 73 is located at close to the position of fixed block 71, spring 2 74 is difficult to be further compressed, at this time loose ends
The reduction degree that needle 6 is close to 2 74 pairs of motive forces of spring after line is relatively low, otherwise the reduction degree of 2 74 pairs of motive forces of spring is higher.
Operation principle：
Cam 84 is rotated, and to drive connecting rod 81 to be moved, connecting rod 81 drives axle sleeve 3 to be rotated, 3 band of axle sleeve
Movable pendulum swing arm 4 is rotated, and swing arm 4 drives adjusting part 7 to be moved, and adjusting part 7 drives loose ends needle 6 to be rotated,
Loose ends needle 6 turns to be close to the position of line after spring 2 74 reduce motive force of the loose ends needle 6 to line, loose ends needle 6 is moved with moving-wire
After a distance, swing arm 4 is close to limited block 53, and the rotation of swing arm 4 is made to stop, to make the rotation of loose ends needle 6 stop, so
Multiply-connected bar 81 is rotated back to by cam 84 afterwards, to reply the position of loose ends needle 6, completes a loose ends operation.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of thread releasing mechanism of chain type bead edging machine, including be arranged in casing (1) and be rotatablely connected with casing (1) main shaft (2),
It is socketed on the axle sleeve (3) of main shaft (2), it is characterized in that：Be provided on the casing (1) of main shaft (2) side drive axle sleeve (3) into
The runner assembly (8) of row rotation, one end of the separate runner assembly (8) of the axle sleeve (3) is fixedly connected with swing arm (4), institute
It states the one end of swing arm (4) far from lever and is connected with loose ends needle (6) for hook line, axle sleeve (3) passes through swing arm (4) and drives pine
Line needle (6) is moved towards line, loose ends needle (6) hook band moving-wire after line continue to move to after a distance again by lever drive into
Row resets.
2. a kind of thread releasing mechanism of chain type bead edging machine according to claim 1, it is characterized in that：The casing (1) is fixed to be connected
It is connected to needle stand (5), the needle stand (5) is hinged with loose ends needle (6).
3. a kind of thread releasing mechanism of chain type bead edging machine according to claim 2, it is characterized in that：Loose ends needle (6) connection
There are threaded rod (72), the threaded rod (72) to be socketed with the fixed block (71) being connect with swing arm (4), the threaded rod (72) is leaned on
One end of nearly fixed block (71) is fixedly connected with pushing block (75), and the threaded rod (72) is socketed with positioned at loose ends needle (6) and fixes
Spring two (74) between block (71).
4. a kind of thread releasing mechanism of chain type bead edging machine according to claim 3, it is characterized in that：Threaded rod (72) socket
There are the adjusting block (73) being connected through a screw thread with threaded rod (72), the spring two (74) to be located at adjusting block (73) and fixed block
(71) between.
5. a kind of thread releasing mechanism of chain type bead edging machine according to claim 2, it is characterized in that：The needle stand (5) is provided with
The fixing groove (51) of needle stand (5) is penetrated through, the needle stand (5) is equipped with the threaded post (52) of perforation fixing groove (51), the screw thread
Column (52) is socketed with the limited block (53) in fixing groove (51), and the limited block (53) is located at the swing road of swing arm (4)
On diameter.
6. a kind of thread releasing mechanism of chain type bead edging machine according to claim 5, it is characterized in that：The limited block (53) and spiral shell
Line column (52) is connected through a screw thread, and the threaded post (52) is fixedly connected with the lever (521) coaxial with threaded post (52).
7. a kind of thread releasing mechanism of chain type bead edging machine according to claim 5, it is characterized in that：Threaded post (52) socket
There are spring one (54), the spring one (54) to be located between adjusting block (73) and the cell wall of fixing groove (51), the spring one
(54) it is close to one side of the adjusting block (73) far from swing arm (4).
8. a kind of thread releasing mechanism of chain type bead edging machine according to claim 1, it is characterized in that：Runner assembly (8) packet
The connecting rod (81) being fixedly connected with axle sleeve (3) is included, the casing (1) is fixedly connected with fixed link (82), the fixed link (82)
Spring three (83) is fixedly connected between connecting rod (81), the one end of the connecting rod (81) far from axle sleeve (3), which abuts, cam
(84), the spring three (83) applies towards the active force close to cam (84) direction connecting rod (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824754.4U CN207904534U (en) | 2017-12-22 | 2017-12-22 | A kind of thread releasing mechanism of chain type bead edging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824754.4U CN207904534U (en) | 2017-12-22 | 2017-12-22 | A kind of thread releasing mechanism of chain type bead edging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207904534U true CN207904534U (en) | 2018-09-25 |
Family
ID=63568910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721824754.4U Active CN207904534U (en) | 2017-12-22 | 2017-12-22 | A kind of thread releasing mechanism of chain type bead edging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207904534U (en) |
-
2017
- 2017-12-22 CN CN201721824754.4U patent/CN207904534U/en active Active
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| GR01 | Patent grant |