CN206512419U - A kind of rumble pin machine - Google Patents
A kind of rumble pin machine Download PDFInfo
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- CN206512419U CN206512419U CN201720089298.7U CN201720089298U CN206512419U CN 206512419 U CN206512419 U CN 206512419U CN 201720089298 U CN201720089298 U CN 201720089298U CN 206512419 U CN206512419 U CN 206512419U
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Abstract
The utility model provides a kind of rumble pin machine, belongs to sewing machine technique field.It solves the problem of existing rumble pin machine rotary shuttle mechanism and inconvenient bending needing mechanism replacement.This rumble pin machine also includes the mounting seat for being used to install rotary shuttle mechanism or bending needing mechanism, there is the resigning breach of front and rear insertion on axially opposing front end face on base with drive shaft, mounting seat is moved to the front end face of base can make rotary shuttle mechanism or bending needing mechanism in mounting seat enter installation cavity through resigning breach, front end face of the mounting seat releasable connection in base, base both sides are respectively provided with the mounting groove for installing the separator mechanism coordinated with bending needing mechanism, mounting groove is open-minded to the upper surface of base, and seam platform cover plate is covered at the position that mounting groove is opened when being fixed on base.This rumble pin machine is by the way that mounting seat to be arranged on to the front end face of base so that the dismounting of rotary shuttle mechanism or bending needing mechanism is more simple, conveniently, improves production efficiency.
Description
Technical field
The utility model belongs to sewing machine technique field, is related to a kind of rumble pin machine.
Background technology
Rumble pin machine is a kind of sewing machine for being used to sew the bottom of s trouser leg, and the conventional stitching for sewing the bottom of s trouser leg is lock-type chain stitch and chain
Formula stitching.Lock-type chain stitch needs rotating shuttle to do the continuous eedle motion that is rotatably assorted, and chain-type stitch then needs looper reciprocally swinging to coordinate
Eedle is moved, stitching needed for being formed.Therefore, rotating shuttle and looper need to drive by different executing agencies.During sewing, such as
Fruit uses special lock-type chain stitch rumble pin machine or chain-type stitch rumble pin machine, will cause being significantly increased for cost.
In order to realize a tractor serves several purposes, there is company to design and develop a kind of seam with the platen that can keep interchangeable device
Thread machine, and applied for Chinese patent【Application number 200610077370.0；Authorization Notice No. CN1880539B】, the sewing machine includes
Main shaft and platen, platen make such shape, are designed for allowing to insert in the way of replacement by forming locking-type line
Mark come the device (shuttle, bushing, axle, packing ring, gear) sewed and insertion be designed for by formed double chainstitch come
In the device (looper, shield eedle plate, bushing, packing ring, cylinder bushing, axle, eccentric part, connecting rod, lever) of sewing, these devices
At least one is connected to main shaft, these devices of main shaft drives.When needing to be formed double chainstitch, by shuttle, packing ring, lining
Set, axle and gear are removed from platen, with the parts renewed, such as looper, shield eedle plate, bushing, packing ring, cylinder bushing, axle, partially
Central member, connecting rod, lever, so as to realize the sewing of double chainstitch.
Above-mentioned sewing machine realizes the different stitchings of two kinds of a stitching sewing machine, when sewing different stitchings, it is necessary to will
Platen is entirely pulled down from the base of sewing machine, still, and due to the platen of sewing machine, to be normally held in base upper surface (above-mentioned
Documents are also such), need first slightly to lift platen during pulling down platen, could to be arranged on platen
Parts take out platen in the case of not collided with base from base.Further in the sewing mechanism for chain-type stitch
In, a set of separator mechanism is further comprises, the balance staff of the separator mechanism is vertically arranged and is connected with main shaft, then by being connected to
Decoupler shaft on balance staff drives separator movement.Therefore, when pulling down the platen equipped with bending needing mechanism, in addition it is also necessary to first will separation
Device mechanism is pulled down, and could take out platen from base.
Pass through above-mentioned analysis, installation direction no longer approximately the same plane of the sewing machine in the direction of the dismounting of platen and axle
On so that platen dismounting is time-consuming, laborious, is unfavorable for saving replacing construction improving operating efficiency.Also, after platen is pulled down,
Also need original parts to pull down one by one, and change another group of entirely different parts, cause replacement operation complicated, and
Parts are individually pulled down, and storage is also inconvenient, are easily caused parts storage and managenent confusion or are damaged during storage
It is bad.
The content of the invention
The purpose of this utility model is there is above mentioned problem for existing technology, it is proposed that a kind of rumble pin machine, this practicality
The technical problem of new solution is that the replacement of the rotary shuttle mechanism and bending needing mechanism that how to cause rumble pin machine is more simple.
The purpose of this utility model can be realized by following technical proposal：A kind of rumble pin machine, including the base and bottom of positioned at
Upper surface in seat is that drive shaft is provided with open installation cavity, the installation cavity, installs and uses in the installation cavity of the base
In the rotary shuttle mechanism or bending needing mechanism for sewing chain-type stitch of sewing lock-type chain stitch, and by the rotating shuttle machine in base
Structure or bending needing mechanism are connected with drive shaft, and the seam platform cover plate that can close above-mentioned installation cavity, its feature are fixed with the base
Be, the rumble pin machine also include being used to install on the mounting seat of rotary shuttle mechanism or bending needing mechanism, the base with drive shaft
There is the resigning breach of front and rear insertion, the mounting seat is moved to the front end face of base can make installation on axially opposing front end face
Rotary shuttle mechanism or bending needing mechanism on seat enter installation cavity through above-mentioned resigning breach, and the mounting seat releasable connection is in base
Front end face, the base both sides are respectively provided with the mounting groove for installing the separator mechanism coordinated with bending needing mechanism, the installation
Groove is open-minded to the upper surface of base, and the seam platform cover plate is covered at the position that mounting groove is opened when being fixed on base.
This rumble pin machine can realize sewing lock-type chain stitch or chain type line by the replacing to rotary shuttle mechanism and bending needing mechanism
Mark.When needing sewing lock-type chain stitch, seam platform cover plate is first removed, then bending needing mechanism is divided equally with drive shaft and separator mechanism
From, then mounting seat is pulled down from base it is backward before pull out so that whole mechanism is together moved with mounting seat, and through allowing
Position breach departs from base from pan frontward end portion, then pulls down the balance staff of separator mechanism and is lifted up taking out of mounting groove
Go out, separator mechanism is separated with base, the bending needing mechanism in the mounting seat integrally pulled down finally is replaced by rotary shuttle mechanism, and
It is installed onto from the leading section of base in base.When needing sewing chain-type stitch, dismounting mode is identical with abovementioned steps, difference
It is in, it is necessary to first load balance staff in mounting groove, separator mechanism is entered installation cavity, then by the installation for the bending needing mechanism that changes the outfit
Seat from pan frontward end portion load and with separator Mechanism Combination, you can complete bending needing mechanism replacing.
The direction that the mounting seat dismounting of this rumble pin machine and the direction loaded are fixed on base with mounting seat is consistent, installs
Seat can drive rotary shuttle mechanism or bending needing mechanism integrally through resigning breach before base in the case of not any obstruction
End is removed, and is carried out outside base after part replacement, then overall loading base again, and the dismounting direction of mounting seat more holds
Easily grasp.This rumble pin machine only need to take out mounting seat from the front end face of base when rotary shuttle mechanism and bending needing mechanism are replaced.And
And, because seam platform cover plate pulls down rear mounting groove in opening-wide state, balance staff can be loaded or be departed from from base upper surface and installed
Groove, facilitates the dismounting of separator mechanism.So that when rotary shuttle mechanism and bending needing mechanism replacement, the zero of dismounting is needed in base
Part is less, without adjusting force direction repeatedly during dismounting mounting seat so that the replacement of rotary shuttle mechanism and bending needing mechanism is more
Simply.
In above-mentioned rumble pin machine, the resigning breach forefront depression formation flange mounting groove, the mounting seat includes water
The head of flat extension and with the vertically disposed flange installation portion in head, in the flange installation portion insertion flange mounting groove and with bottom
Seat is fixed by fastener.Mounting seat is fixed on by pan frontward end portion, method by the flange installation portion perpendicular to mounting seat head
Blue installation portion is in addition to playing fixation, additionally it is possible to play a part of closing resigning breach；So that mounting seat is fixed on bottom
Without install other cover plate type components again after on seat, mounting seat pulled down from base before without removing cover plate class zero
Part, so that mounting seat dismounting is more simple.
Preferably, in above-mentioned rumble pin machine, the resigning breach is open-minded to the upper surface of base, the seam platform cover plate
Covered during fixed on base at the position that resigning breach is opened and supported flange installation portion.Because resigning breach upper surface is opened
Logical, the flange installation portion upper surface of mounting seat does not coordinate with flange mounting groove inwall, pulls down before mounting seat, first removes seam platform lid
Plate so that flange installation portion upper surface exposes outside, then the application of flange installation portion upper surface is acted on after loosening fasteners
Power, it is easy to make flange installation portion depart from flange mounting groove, so that mounting seat be separated with base, the dismounting of mounting seat is more square
Just；In mounting seat loading procedure, flange installation portion is also easier to be loaded into flange mounting groove.
In above-mentioned rumble pin machine, the quantity of the mounting seat is two, respectively locking-type mounting seat and chain type mounting seat,
The rotary shuttle mechanism, which is arranged separately in, forms the lock-type chain stitch sewing module for being capable of integral disassembly, assembly, the looper in locking-type mounting seat
Mechanism, which is arranged separately in, forms the chain-type stitch sewing module for being capable of integral disassembly, assembly in chain type mounting seat.Lock-type chain stitch sews module
Sew module with chain-type stitch directly can be selected according to the difference of sewing stitching, and is installed on base, form mould
The disassembly and assembly structure of block, without being changed one by one to the parts in mounting seat again, the replacement of rotary shuttle mechanism and bending needing mechanism
Further simplified.
Preferably, in above-mentioned rumble pin machine, there is receiving space, the head upper table in the head of the mounting seat
Face is provided with working plate corresponding with receiving space position, and the head, which is located on the end face in receiving space, to be had to lordosis
The cylindrical boss one risen, the flange installation portion has the cylindrical boss two to rear projection, the boss one and boss two
It is coaxially disposed；Wherein, the locking-type mounting seat has the through hole one through boss one and boss two, the center line of the through hole one
It is located along the same line with the center line of boss one and boss two；The chain type mounting seat has through boss one and boss two
Through hole two, the through hole two and boss one and the decentered distribution of boss two.Setting boss one and boss two can be assemblied in both sides
Parts provide reference plane, it is ensured that the assembly precision of parts；For installing the through hole one of rotary shuttle shaft and for installing looper
The through hole two of axle is directly opened on boss one and boss two, without being separately provided tube-in-tube structure and being installed in mounting seat, letter
The structure of mounting seat is changed.
In above-mentioned rumble pin machine, the lock-type chain stitch sewing module includes being provided with the rotary shuttle shaft of rotating shuttle and for driving
The lower axle one that rotary shuttle shaft is rotated, the lower axle one can stretch into the inner end of installation cavity and is connected by shaft coupling with drive shaft, institute
Stating has supported hole one corresponding with the position of lower axle one, the outer end position of the lower axle one on the flange installation portion of locking-type mounting seat
In in above-mentioned supported hole one.
In above-mentioned rumble pin machine, the chain-type stitch sewing module includes being provided with the curved needle shaft of looper and for driving
The lower axle two of curved needle shaft reciprocating rotary, the lower axle two can stretch into the inner end of installation cavity and by shaft coupling and drive shaft phase
Even, have on the flange installation portion of the chain type mounting seat outside supported hole two corresponding with the position of lower axle two, the lower axle two
End is located in above-mentioned supported hole two.
The outer end of lower axle one is arranged on the flange installation portion of locking-type mounting seat, and the outer end of lower axle two is installed installed in chain type
On the flange installation portion of seat, it is ensured that lock-type chain stitch sews module and chain-type stitch sews the globality of module, is easy to locking-type line
Mark sews the dismounting of module and chain-type stitch sewing module and picked and placeed.
In above-mentioned rumble pin machine, the separator mechanism includes balance staff, and the balance staff, which is swung, can pass through decoupler shaft band
Flow separator is moved relative to looper, and the balance staff edge is horizontally set on the top of lower axle two and, institute vertical with the antarafacial of lower axle two
State balance staff by balance staff connecting rod with lower axle two to be connected, the two ends of the balance staff are provided with positioning seat, and the positioning seat includes method
Have on blue connecting portion, the flange connecting portion and offered on the tubular embedded division of outwardly convex, the embedded division for pendulum
The spliced eye of axle insertion, and when the embedded division of positioning seat load the mounting groove it is interior after the positioning seat flange connecting portion pass through it is tight
Firmware is fixed on base., only need to be by the embedded division of balance staff two ends positioning seat when separator mechanism loads in the installation cavity of base
It is embedded in mounting groove, then fixed by flange connecting portion and base, you can complete to install；When balance staff is dismantled, flange need to only be connected
Fastener in socket part is pulled down, and balance staff, which is directly lifted, makes the embedded division of positioning seat depart from mounting groove, you can by separator mechanism
Separated with base.
Be located at preferably, in above-mentioned rumble pin machine, on the base around mounting groove have it is inwardly protruding and with
The projection three that the flange connecting portion of the positioning seat matches, the fastener for being fixed on positioning seat on base passes through above-mentioned
Projection three.Projection three is set and coordinated by projection three and the flange connecting portion of positioning seat, because the fastener of junction will frequency
Numerous dismounting, it is such to design the bonding strength that ensure that junction, it is to avoid fastener loosens.
Also there is the plate-like supporter perpendicular to base end face in above-mentioned rumble pin machine, on the base, it is described
Have in supporter in the resigning hole passed through for lower axle one or lower axle two, the resigning hole and be arranged with support set.Supporter is used
In the stage casing of support lower axle one and lower axle two, the positional precision of lower axle one and lower axle two can either be ensured, while do not interfere with again
Dismounting.
Compared with prior art, the advantage of this rumble pin machine is：
1st, this rumble pin machine is by the way that mounting seat to be arranged on to the front end face of base, after mounting seat is removed, in mounting seat
Rotary shuttle mechanism or bending needing mechanism can travel forward with mounting seat, and depart from base through resigning breach so that mounting seat
Swimmingly can be pulled down from base, and outside base carry out parts replacing after be reinstalled again so that rotary shuttle mechanism or
The dismounting of bending needing mechanism is more simple, conveniently, and the time needed for switching lock-type chain stitch and chain-type stitch is shorter, improves production effect
Rate.
2nd, lock-type chain stitch is sewed module by this rumble pin machine and chain-type stitch sewing module carries out integral disassembly, assembly, only need to be from base
Dismantled and loaded in leading section, you can complete the switching of lock-type chain stitch and chain-type stitch, without dismounting parts, switching is more
Quickly.Also, lock-type chain stitch sews module and the storage requirement of chain-type stitch sewing module is lower, and storage is more convenient；Parts
Because without frequently dismounting, service life is longer.
3rd, the balance staff of this Lu Jiaojizhong separators mechanism is arranged on by positioning seat in the mounting groove of base, due to mounting groove
Opened wide in base upper surface so that balance staff directly can be loaded and be dismantled from base upper surface so that separator mechanism
Dismounting is more simple.
Brief description of the drawings
Fig. 1 is the structural representation of this rumble pin machine.
Fig. 2 is the structural representation of base in this rumble pin machine.
Fig. 3 is the structural representation of lock-type chain stitch sewing module in this rumble pin machine.
Fig. 4 is the structural representation of locking-type mounting seat in this rumble pin machine.
Fig. 5 is the structural representation of chain-type stitch sewing module in this rumble pin machine.
Fig. 6 is the structural representation of chain type mounting seat in this rumble pin machine.
Fig. 7 is the structural representation of this Lu Jiaojizhong separators mechanism.
Fig. 8 is the structural representation of the balance staff connecting rod of this Lu Jiaojizhong separators mechanism.
Fig. 9 is state diagram of the lock-type chain stitch sewing module on base in this rumble pin machine.
Figure 10 is the state diagram that this Lu Jiaojizhong separators mechanism is arranged on base.
Figure 11 is state diagram of the chain-type stitch sewing module on base in this rumble pin machine.
In figure, 1, base；1a, installation cavity；1b, resigning breach；1c, mounting groove；1d, flange mounting groove；1e, projection three；
1f, supporter；1f1, resigning hole；2nd, drive shaft；3rd, platform cover plate is stitched；4th, mounting seat；4a, head；4a1, receiving space；It is 4a2, convex
Platform one；4b, flange installation portion；4b1, boss two；4c, locking-type mounting seat；4c1, through hole one；4c2, supported hole one；4d, chain type peace
Fill seat；4d1, through hole two；4d2, supported hole two；5th, working plate；6th, rotary shuttle shaft；7th, lower axle one；8th, curved needle shaft；9th, lower axle two；
10th, shaft coupling；11st, balance staff；12nd, decoupler shaft；13rd, separator；14th, positioning seat；14a, flange connecting portion；14b, embedded division；
14b1, spliced eye；15th, support set；16th, direct driving motor；17th, gear pair；18th, eccentric ratio；19th, curved needle crank；20th, balance staff connects
Bar；20a, bulb；20b, eccentric rotor；21st, bearing pin；22nd, clamping jaw；23rd, universal joint.
Embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
Embodiment one：
This rumble pin machine includes base 1, installation cavity 1a, resigning breach 1b, mounting groove 1c, drive shaft 2, seam platform cover plate 3, installation
Seat 4, rotary shuttle mechanism and bending needing mechanism.
Specifically, as shown in Fig. 2 the upper surface of base 1 is the opening connected with installation cavity 1a, also fixed on base 1
There is the seam platform cover plate 3 that installation cavity 1a can be closed.As shown in Fig. 1 and Fig. 9, in the present embodiment, it is fixed with the base 1 of rumble pin machine
Direct driving motor 16, one end of drive shaft 2 is connected with the rotor of direct driving motor 16, and the other end stretches into installation cavity 1a.By by rotating shuttle machine
Installation cavity 1a that structure or bending needing mechanism load in base 1 is simultaneously connected with drive shaft 2, makes rumble pin machine sewing lock-type chain stitch or chain type line
Mark.
Mounting seat 4 is used to install rotary shuttle mechanism or bending needing mechanism, as shown in Figure 3 and Figure 5, in the present embodiment, mounting seat 4
Quantity is two, and respectively locking-type mounting seat 4c and chain type mounting seat 4d, rotary shuttle mechanism are arranged separately on locking-type mounting seat 4c
Formed be capable of integral disassembly, assembly lock-type chain stitch sewing module, bending needing mechanism be arranged separately on chain type mounting seat 4d formed can be whole
The chain-type stitch sewing module of body dismounting.
As shown in Fig. 2 having the resigning breach of front and rear insertion on base 1 on front end face corresponding with the axial direction of drive shaft 2
1b, mounting seat 4 is fixed on the front end face of base 1 and covers resigning breach 1b, and the both sides of base 1 are respectively provided with for installing sewing chain type
The mounting groove 1c of the mechanism of separator 13 required for stitching, the upper surface of mounting groove 1c to base 1 is open-minded, and seam platform cover plate 3 is fixed
It is covered in when on to base 1 at the position that mounting groove 1c is opened.
As shown in Fig. 2 resigning breach 1b forefront depressions formation flange mounting groove 1d, mounting seat 4 includes horizontal-extending head
Portion 4a and with the vertically disposed flange installation portion 4b of head 4a, in flange installation portion 4b insertions flange mounting groove 1d and with base 1
Fixed by fastener.Mounting seat 4 is fixed on by the front end of base 1 by the flange installation portion 4b perpendicular to the head 4a of mounting seat 4
Portion, flange installation portion 4b is in addition to playing fixation, additionally it is possible to play a part of closing resigning breach 1b, so that installing
The dismounting of seat 4 is more simple.
Preferably, the upper surface of resigning breach 1b to base 1 is open-minded, and seam platform cover plate 3 covers when being fixed on base 1
At the position that lid resigning breach 1b is opened and supported flange installation portion 4b, because resigning breach 1b upper surfaces are open-minded, mounting seat 4
Flange installation portion 4b upper surfaces do not coordinate with flange mounting groove 1d inwalls, pull down before mounting seat 4, first remove seam platform cover plate 3, make
Obtain the exposure of flange installation portion 4b upper surfaces outside, then the application of flange installation portion 4b upper surfaces is acted on after loosening fasteners
Power, it is easy to which flange installation portion 4b departs from flange mounting groove 1d, so that mounting seat 4 is separated with base 1, the dismounting of mounting seat 4
It is more convenient；In the loading procedure of mounting seat 4, flange installation portion 4b is also easier to be loaded into flange mounting groove 1d.
As another preferred scheme, as shown in Figure 4 and Figure 6, there is receiving space 4a1, head in the head 4a of mounting seat 4
Portion 4a upper surfaces are provided with working plate 5 corresponding with receiving space 4a1 positions, and head 4a is located at the end in receiving space 4a1
There is the 4a2 of cylindrical boss one to front projection, flange installation portion 4b to have the 4b1 of cylindrical boss two to rear projection on face,
The 4a2 of boss one and boss two 4b1 is coaxially disposed.Wherein, locking-type mounting seat 4c, which has, runs through the 4a2 of boss one and boss two
The center line of the 4b1 4c1 of through hole one, the 4c1 of through hole one center line and the 4a2 of boss one and the 4b1 of boss two is located along the same line.
Chain type mounting seat 4d has through hole two 4d1, the 4d1 of through hole two and the 4a2 of boss one through the 4a2 of the boss one and 4b1 of boss two
With the 4b1 decentered distributions of boss two.The 4a2 of the boss one and 4b1 of boss two is set to provide benchmark to the parts for being assemblied in both sides
Face, it is ensured that the assembly precision of parts, for installing the 4c1 of through hole one of rotary shuttle shaft 6 and through hole two for installing curved needle shaft 8
4d1 is directly opened on the 4a2 of boss one and the 4b1 of boss two.
As shown in figure 3, lock-type chain stitch sewing module includes rotary shuttle shaft 6 and lower axle 1, the end of rotary shuttle shaft 6 is provided with rotation
Shuttle (not shown), lower axle 1 drives rotary shuttle shaft 6 to rotate by gear pair 17.Lower axle 1 can stretch into installation cavity 1a the inner
Portion is simultaneously connected by shaft coupling 10 with drive shaft 2, is had and the position pair of lower axle 1 on locking-type mounting seat 4c flange installation portion 4b
The 4c2 of supported hole one answered, the outer end of lower axle 1 is located in the 4c2 of supported hole one.In actual production and manufacturing process, branch
Bearing or axle sleeve can also be set in the support 4c2 of hole one, lower axle 1 is rotated in the 4c2 of supported hole one.
As shown in figure 5, chain-type stitch sewing module includes curved needle shaft 8 and lower axle 29, the end of curved needle shaft 8 is provided with curved
Pin (not shown), lower axle 29 is connected by eccentric ratio 18 with one end of curved needle crank 19, the curved needle crank 19 it is another
One end is connected with curved needle shaft 8, so that lower axle 29, which is rotated, can drive the reciprocating rotation of curved needle shaft 8.Lower axle 29 can stretch into installation
Chamber 1a inner end is simultaneously connected by shaft coupling 10 with drive shaft 2, is had on chain type mounting seat 4d flange installation portion 4b with
The corresponding 4d2 of supported hole two in the position of axle 29, the outer end of lower axle 29 is located in the 4d2 of supported hole two.In actual production and system
During making, bearing or axle sleeve can also be set in the 4d2 of supported hole two, lower axle 29 is turned in the 4d2 of supported hole two
It is dynamic.
Preferably, as shown in Fig. 2, Fig. 9 and Figure 11, also have on base 1 perpendicular to the plate-like of the bottom surface of base 1
Supporter 1f, have in supporter 1f in the resigning hole 1f1 passed through for lower axle 1 or lower axle 29, resigning hole 1f1 and be arranged
There is support set 15.Supporter 1f is used for the stage casing for supporting lower axle 1 and lower axle 29, can either ensure lower axle 1 and lower axle 29
Positional precision, while do not interfere with again lock-type chain stitch sewing module and chain-type stitch sew module integral disassembly, assembly.
As shown in fig. 7, the mechanism of separator 13 include balance staff 11, balance staff 11 along the top for being horizontally set on lower axle 29 and with
The antarafacial of lower axle 29 is vertical, and balance staff 11 is connected by balance staff connecting rod 20 with lower axle 29.It is used as the specific knot of one kind of balance staff connecting rod 20
Structure, as shown in FIG. 7 and 8, the top of balance staff connecting rod 20 have connecting ball head 20a, and bearing pin 21 is through balance staff 11 and inserts connecting ball head
In 20a, it is further fixed on embracing the clamping jaw 22 of the periphery of balance staff 11 on balance staff connecting rod 20.The bottom of balance staff connecting rod 20 has eccentric rotor
20b, lower axle 29 can pass through eccentric rotor 20b and be fixed with eccentric rotor 20b.When lower axle 29 is rotated, balance staff can be driven to connect
Bar 20 moves up and down, and then drives the swing of balance staff 11.Decoupler shaft 12 is connected on balance staff 11 by universal joint 23, pendulum
During 11 swing of axle, separator 13 is with the front-rear reciprocation movement of decoupler shaft 12.
As shown in fig. 7, the two ends of balance staff 11 are provided with positioning seat 14, positioning seat 14 includes flange connecting portion 14a, flange
Have on connecting portion 14a and offered on the tubular embedded division 14b of outwardly convex, embedded division 14b for inserting that balance staff 11 is inserted
Meet hole 14b1, and after the embedded division 14b of positioning seat 14 loads in the mounting groove 1c positioning seat 14 flange connecting portion 14a
It is fixed on by fastener on base 1., only need to be by the insertion of the two ends positioning seat 14 of balance staff 11 when balance staff 11 is loaded in mounting groove 1c
Portion 14b is embedded in mounting groove 1c, then fixed by flange connecting portion 14a with base 1, you can complete to install；When balance staff 11 is dismantled,
The fastener on flange connecting portion 14a need to only be pulled down, balance staff 11, which is directly lifted, makes the embedded division 14b of positioning seat 14 depart from peace
Tankage 1c, you can separate balance staff 11 with base 1.
Preferably, as shown in Fig. 2 be located on base 1 around mounting groove 1c have it is inwardly protruding and in positioning
Raised three 1e that the flange connecting portion 14a of seat 14 matches, the fastener for being fixed on positioning seat 14 on base 1 is passed through
State raised three 1e.Raised three 1e is set and coordinated by the flange connecting portion 14a of raised three 1e and positioning seat 14, due to junction
Fastener frequently to dismantle, such design ensure that the bonding strength of junction, it is to avoid fastener loosens.
In actual production and manufacturing process, fastener mentioned above can be using screw, bolt and removable
One kind in alignment pin.
This rumble pin machine lock-type chain stitch sews module and chain-type stitch sewing module can be directly according to the difference of sewing stitching
Selected, and be installed on base 1, form modular disassembly and assembly structure, without being carried out again to the parts in mounting seat 4
Change one by one.Specifically installation process is：
When needing sewing lock-type chain stitch, seam platform cover plate 3 is first removed, chain-type stitch is sewed into the lower axle 29 of module with driving
Moving axis 2 is separated, lower axle 29 is separated with the eccentric rotor 20b of balance staff connecting rod 20, decoupler shaft 12 is separated with universal joint 23, so
Chain type mounting seat 4d is pulled down into backward preceding pull-out from base 1 afterwards, chain-type stitch is sewed into the overall taking-up out of base 1 of module,
Then the positioning seat 14 at the two ends of balance staff 11 is pulled down and is lifted up balance staff 11, the mechanism of separator 13 is pulled down from base 1, will
Lock-type chain stitch sewing module integrally loads base 1, and lower axle 1 is connected with drive shaft 2, finally by locking-type mounting seat 4c and bottom
Seat 1 is fixed, as shown in Figure 9.
When needing sewing chain-type stitch, seam platform cover plate 3 is first removed, lock-type chain stitch is sewed into the lower axle 1 of module with driving
Moving axis 2 is separated, and locking-type mounting seat 4c is pulled down into backward preceding pull-out from base 1, and lock-type chain stitch is sewed into module from base 1
Take out, be then separately mounted to the positioning seat 14 at the two ends of 13 mechanism balance staff of separator 11 at the mounting groove 1c of the both sides of base 1 simultaneously
It is fixed, as shown in Figure 10.Chain-type stitch sewing module is integrally loaded into base 1, and by lower axle 29 respectively with drive shaft 2 and pendulum
The eccentric rotor 20b of axle connecting rod 20 is connected, then decoupler shaft 12 is connected with universal joint 23, finally by chain type mounting seat 4d and
Base 1 is fixed, as shown in figure 11.
Lock-type chain stitch is sewed this rumble pin machine into module and chain-type stitch sewing module carries out integral disassembly, assembly, only need to be from base 1
Dismantled and loaded in leading section, you can complete the switching of lock-type chain stitch and chain-type stitch, without dismounting parts, switching is more
Quickly.Also, lock-type chain stitch sew module and chain-type stitch sewing module dismounting when, mounting seat 4 dismounting direction with mounting seat 4
The direction being fixed on base 1 is consistent, and the leading section that mounting seat 4 can be from base 1 in the case of not any obstruction is split
Under, it is more easy to dismount.Add, the storage requirement of lock-type chain stitch sewing module and chain-type stitch sewing module is lower, storage
It is more convenient；Parts are because without frequently dismounting, service life is longer.
Embodiment two：
Technical scheme in the present embodiment is essentially identical with technical scheme in embodiment one, and difference is, this reality
Apply in example, the quantity only one of which of mounting seat 4, rotary shuttle mechanism or bending needing mechanism select one and be arranged in the mounting seat 4 and load bottom
The inner chamber of seat 1.When needing sewing lock-type chain stitch, first the entirety of mounting seat 4 is pulled down, then bending needing mechanism is replaced by rotating shuttle machine
Structure, is installed onto in base 1 from the leading section of base 1.When needing sewing chain-type stitch, dismounting mode is identical with abovementioned steps,
Difference is, it is necessary to first load balance staff 11 in mounting groove 1c, the mechanism of separator 13 is entered installation cavity 1a, then will be equipped with
The mounting seat 4 of other parts of bending needing mechanism from the leading section of base 1 load and with the Mechanism Combination of separator 13, you can complete looper
The replacing of mechanism.By the replacing to rotary shuttle mechanism and bending needing mechanism, the sewing of lock-type chain stitch or chain-type stitch is realized.This reality
The production cost of this rumble pin machine can be reduced by applying the scheme in example, so as to reduce the threshold that this rumble pin machine is applied in production.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (10)
1. a kind of rumble pin machine, including base (1) and the upper surface in base (1) they are open installation cavity (1a), the peace
Behaveing affectedly, (1a) is interior to be provided with the rotating shuttle installed in drive shaft (2), the installation cavity (1a) of the base (1) for sewing lock-type chain stitch
Mechanism or the bending needing mechanism for sewing chain-type stitch, and rotary shuttle mechanism or bending needing mechanism and the drive that will be arranged in base (1)
Moving axis (2) is connected, and the seam platform cover plate (3) that can close above-mentioned installation cavity (1a) is fixed with the base (1), and its feature exists
With driving on the mounting seat (4) for also including being used to install rotary shuttle mechanism or bending needing mechanism in, the rumble pin machine, the base (1)
There is the resigning breach (1b) of front and rear insertion, the mounting seat (4) is to base (1) on the axially opposing front end face of axle (2)
Front end face motion can make rotary shuttle mechanism or bending needing mechanism in mounting seat (4) enter installation cavity through above-mentioned resigning breach (1b)
(1a), mounting seat (4) releasable connection base (1) front end face, base (1) both sides be respectively provided with for install with it is curved
The mounting groove (1c) for the separator mechanism that pin mechanism coordinates, the mounting groove (1c) is open-minded to the upper surface of base (1), the seam
Platform cover plate (3) is covered at the position that mounting groove (1c) is opened when being fixed on base (1).
2. rumble pin machine according to claim 1, it is characterised in that resigning breach (1b) the forefront depression formation flange peace
Tankage (1d), the mounting seat (4) include horizontal-extending head (4a) and with head (4a) vertically disposed flange installation portion
Fixed with base (1) in (4b), the embedded flange mounting groove (1d) of the flange installation portion (4b) and by fastener.
3. rumble pin machine according to claim 2, it is characterised in that upper surface from the resigning breach (1b) to base (1)
Open-minded, the seam platform cover plate (3) is fixed at the position that covering resigning breach (1b) is opened when on base (1) and supported flange peace
Dress portion (4b).
4. the rumble pin machine according to Claims 2 or 3, it is characterised in that the quantity of the mounting seat (4) is two, respectively
For locking-type mounting seat (4c) and chain type mounting seat (4d), the rotary shuttle mechanism is arranged separately in locking-type mounting seat (4c) and forms energy
The lock-type chain stitch sewing module of enough integral disassembly, assemblies, the bending needing mechanism is arranged separately in that formed in chain type mounting seat (4d) can be whole
The chain-type stitch sewing module of body dismounting.
5. rumble pin machine according to claim 4, it is characterised in that have in the head (4a) of the mounting seat (4) and accommodate
Space (4a1), head (4a) upper surface is provided with working plate (5) corresponding with receiving space (4a1) position, the head
Portion (4a) is located at the cylindrical boss one (4a2) having on the end face in receiving space (4a1) to front projection, and the flange is installed
Portion (4b) has the cylindrical boss two (4b1) to rear projection, and the boss one (4a2) and boss two (4b1) are coaxially disposed；Its
In, the locking-type mounting seat (4c) has the through hole one (4c1) through boss one (4a2) and boss two (4b1), the through hole one
The center line of the center line of (4c1) and boss one (4a2) and boss two (4b1) is located along the same line；The chain type mounting seat
(4d) has the through hole two (4d1) through boss one (4a2) and boss two (4b1), the through hole two (4d1) and boss one
(4a2) and boss two (4b1) decentered distribution.
6. rumble pin machine according to claim 4, it is characterised in that the lock-type chain stitch sewing module includes being provided with rotating shuttle
Rotary shuttle shaft (6) and lower axle one (7) for driving rotary shuttle shaft (6) to rotate, the lower axle one (7) can stretch into installation cavity (1a)
Inner end is simultaneously connected by shaft coupling (10) with drive shaft (2), is had on the flange installation portion (4b) of the locking-type mounting seat (4c)
There is supported hole one (4c2) corresponding with lower axle one (7) position, the outer end of the lower axle one (7) is located at above-mentioned supported hole one
In (4c2).
7. rumble pin machine according to claim 4, it is characterised in that the chain-type stitch sewing module includes being provided with looper
Curved needle shaft (8) and lower axle two (9) for driving curved needle shaft (8) reciprocating rotary, the lower axle two (9) can stretch into installation cavity
The inner end of (1a) is simultaneously connected by shaft coupling (10) with drive shaft (2), the flange installation portion of the chain type mounting seat (4d)
There is supported hole two (4d2) corresponding with lower axle two (9) position, the outer end of the lower axle two (9) is located at above-mentioned branch on (4b)
Support in hole two (4d2).
8. rumble pin machine according to claim 7, it is characterised in that the separator mechanism includes balance staff (11), the pendulum
Axle (11), which is swung, to be moved by decoupler shaft (12) band flow separator (13) relative to looper, and the balance staff (11) sets along level
Put in the top of lower axle two (9) and vertical with lower axle two (9) antarafacial, the balance staff (11) passes through balance staff connecting rod (20) and lower axle two
(9) it is connected, the two ends of the balance staff (11) are provided with positioning seat (14), and the positioning seat (14) includes flange connecting portion
There is the tubular embedded division (14b) of outwardly convex, the embedded division (14b) on (14a), the flange connecting portion (14a)
On offer for balance staff (11) insertion spliced eye (14b1), and when positioning seat (14) embedded division (14b) load it is described install
The flange connecting portion (14a) of the positioning seat (14) is fixed on base (1) by fastener after in groove (1c).
9. rumble pin machine according to claim 8, it is characterised in that be located on the base (1) around mounting groove (1c)
The projection three (1de) matched with inwardly protruding and with the positioning seat (14) flange connecting portion (14a), for that will position
The fastener that seat (14) is fixed on base (1) passes through above-mentioned raised three (1de).
10. the rumble pin machine according to claim 1 or 2 or 3, it is characterised in that also have on the base (1) bottom of perpendicular to
The plate-like supporter (1f) of seat (1) bottom surface, have in the supporter (1f) through resigning hole (1f1), it is described to step down
Support set (15) is arranged with hole (1f1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720089298.7U CN206512419U (en) | 2017-01-21 | 2017-01-21 | A kind of rumble pin machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720089298.7U CN206512419U (en) | 2017-01-21 | 2017-01-21 | A kind of rumble pin machine |
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| Publication Number | Publication Date |
|---|---|
| CN206512419U true CN206512419U (en) | 2017-09-22 |
Family
ID=59865847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720089298.7U Active CN206512419U (en) | 2017-01-21 | 2017-01-21 | A kind of rumble pin machine |
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| CN (1) | CN206512419U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106757861A (en) * | 2017-01-21 | 2017-05-31 | 浙江耐拓机电科技有限公司 | A kind of rumble pin machine |
| CN109594231A (en) * | 2018-12-10 | 2019-04-09 | 杰克缝纫机股份有限公司 | A kind of chain exchange sewing machine |
-
2017
- 2017-01-21 CN CN201720089298.7U patent/CN206512419U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106757861A (en) * | 2017-01-21 | 2017-05-31 | 浙江耐拓机电科技有限公司 | A kind of rumble pin machine |
| CN109594231A (en) * | 2018-12-10 | 2019-04-09 | 杰克缝纫机股份有限公司 | A kind of chain exchange sewing machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Bottom hemming machine Effective date of registration: 20171228 Granted publication date: 20170922 Pledgee: Zhejiang Tailong commercial bank Taizhou branch of Limited by Share Ltd Pledgor: Zhejiang resistant Electromechanical Science and Technology Co Ltd Registration number: 2017330000338 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |