CN208136463U - Computer height head vehicle - Google Patents
Computer height head vehicle Download PDFInfo
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- CN208136463U CN208136463U CN201820547028.0U CN201820547028U CN208136463U CN 208136463 U CN208136463 U CN 208136463U CN 201820547028 U CN201820547028 U CN 201820547028U CN 208136463 U CN208136463 U CN 208136463U
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- head
- trimming
- feeding
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Abstract
The utility model belongs to computer height head vehicle technical field, is to be related to computer height head vehicle more specifically.Cloth transmission is realized by the presser feet of pressure lever mechanism and feeding and the material-feeding rolling wheels for backstitching mechanism.The free end for swinging the elastic layering for being installed on head is connected to guide plate, by the pressure for rotating voltage regulation screw adjustable elastic press strip, guide plate is set to drive compression bar, and then adjust pressure of the compression bar presser feet towards material-feeding rolling wheels, and elastic layering energy flexible deformation, enable presser feet to follow cloth situation close to material-feeding rolling wheels, raising eats thick ability to cloth, the thick material work feed of seam is smooth and stitching is good, improves product quality.
Description
Technical field
The utility model belongs to computer height head vehicle technical field, is to be related to computer height head vehicle more specifically.
Background technique
Computer height head vehicle is a kind of sewing device suitable for the general cladding sewing such as vamp, suitcase, cap.Currently, city
What computer height head vehicle used on face is all medium-sized cloth-feeding device.The shortcomings that medium-sized cloth-feeding device is to eat thickness to cloth
Ability is poor, stitches thickness and expects that work feed is unsmooth and stitching is poor, affects product quality in this way.
Utility model content
The purpose of this utility model is to provide a kind of computer height head vehicles, are eaten with solving existing computer height head vehicle to cloth
Thick ability is poor, the thick material technical problem that work feed is unsmooth and stitching is poor of seam.
To achieve the above object, the technical solution adopted in the utility model is：A kind of computer height head vehicle is provided, including：
Pedestal；
Set on the head and column of the pedestal；
It is installed on the shank and Yarn taking-up mechanism of the head；
For compressing the pressure lever mechanism of cloth comprising be installed on the head compression bar, set on the compression bar presser feet,
Be fixed on the compression bar guide plate, swing be installed on the head and its free end be connected to the guide plate elastic layering and
It is rotatably dispose in the head and the voltage regulation screw for elastic layering described in ejection；
It is installed on the thread releasing mechanism of the head；
It is installed on the rotary shuttle mechanism of the pedestal；
Be used for transmission the feeding of cloth and backstitch mechanism comprising be rotatablely installed in the pedestal preceding lower axle, with it is described
The rear lower axle of preceding lower axle coaxial arrangement, the clutch between the preceding lower axle and the rear lower axle, rotational installation are in described
Column and the material-feeding rolling wheels being oppositely arranged with the presser feet and for will it is described after the rotational motion of lower axle be converted to the feeding
The transmission mechanism of the rotational motion of idler wheel；And
It is installed on the thread cutting mechanism of the pedestal.
Further, the shank and Yarn taking-up mechanism include the rotating drive part for being installed on the head, by the rotation
The upper axis of actuator driving rotation, the shank ontology for being slidably mounted on the head along the vertical direction, synchronous with the upper axis turn
Dynamic needle bar crank, its both ends be respectively pivoted to the shank connecting rod of the needle bar crank and the shank ontology, be articulated in it is described
The take-up rocking bar of head, its both ends are respectively pivoted to the line-choosing connecting rod of the needle bar crank and the take-up rocking bar and are fixed on
The thread take-up tension lever of the line-choosing connecting rod.
Further, the rotary shuttle mechanism includes the synchronous belt mechanism being set between the upper axis and the rear lower axle, peace
First bevel gear loaded on the preceding lower axle extends along the vertical direction and is rotatablely installed the rotary shuttle shaft in the column, is installed on
The rotary shuttle shaft and with the second bevel gear of first bevel gear engaged transmission and it is fixed on the rotating shuttle sheet of the rotary shuttle shaft
Body.
Further, the pressure lever mechanism includes being rotatablely installed the wrench shaft in the head, being connected with the wrench shaft
It the portable spanner that connects and rotates synchronously with the wrench shaft and matches with the guide plate to adjust the vertical position of the guide plate
Portable cam.
Further, the pressure lever mechanism further include the automatic pressure-raising foot electromagnet for being installed on the pedestal, by it is described from
The mobile pressure-raising foot curved bar of dynamic pressure-raising foot solenoid actuated, rotational installation are connected in the head and with the pressure-raising foot curved bar
Foot give as security long axis, be connected to the foot and give as security the foot of long axis and give as security crank, swing and be set to the head and matched with the guide plate
It is connected to that the foot gives as security crank and the loose ends is convex to adjust loose ends cam and its both ends of the vertical position of the guide plate
The foot of wheel gives as security pull rod.
Further, the thread releasing mechanism includes the loose ends electromagnet for being installed on the head, by the loose ends electromagnet
Drive the loose ends mandril of movement and the tension disk by the loose ends mandril ejection.
Further, the transmission mechanism include with it is described after the arranged side by side feed spool of lower axle, same with the lower axle afterwards
Walk rotation driving cam, the feeding rear crank that is fixed on the feed spool, its both ends be respectively pivoted to the driving cam with
The kinematic link of the feeding rear crank extends along the vertical direction and is rotatablely installed the transmission axle in the column, is used for institute
State feed spool pendulum motion be converted to the transmission axle rotation transmission component and be installed on the top of the transmission axle
Feeding bevel gear, the material-feeding rolling wheels are equipped with the drive bevel gear with the feeding bevel gear engaged transmission.
Further, the transmission component includes crank before being fixed on the feeding of the feed spool, is installed on the pedestal
Unilateral bearing seat, its both ends is respectively pivoted to the Universal linking lever of crank and the unilateral bearing seat before the feeding, is supported on
The unilateral bearing seat backstitch axis, be installed on suitable the seam bevel gear for backstitching axis and being separately arranged with backstitch bevel gear,
And it is installed on the bottom end of the transmission axle and for selectively along seam bevel gear or described backstitching bevel gear with described and engaging biography
Dynamic middle seat bevel gear.
Further, the feeding and backstitch mechanism further include be installed on the pedestal backstitch electromagnet and by described
Backstitch solenoid actuated it is mobile backstitch lever, it is described backstitch lever and be connected to described backstitch axis.
Further, the thread cutting mechanism includes extending along the vertical direction and being rotatablely installed in the trimming set of the column
Manage, be installed on first transmission gear on the top of the trimming casing, be articulated in the column and with first transmission gear
Second transmission gear of engaged transmission, is fixed on the trimming casing at the thread trimmer rotated synchronously with second transmission gear
Bottom end trimming support, be installed on the pedestal trimming electromagnet, be installed on it is described after lower axle trimming cam, swing peace
Loaded on the pedestal and for being contacted with the trimming cam so that the preceding lower axle is cut with what the rear lower axle mutually separated
Line lever, its both ends are respectively pivoted to the trimming support arm of the trimming support and the trimming lever and by the trimming electromagnetism
Iron driving is mobile and is connected to the linking arm of the trimming support arm.
The utility model having the technical effect that compared with the existing technology：By the presser feet of pressure lever mechanism and feeding and backstitch machine
The material-feeding rolling wheels of structure realize cloth transmission.The free end for swinging the elastic layering for being installed on head is connected to guide plate, passes through rotation
The pressure of voltage regulation screw adjustable elastic press strip makes guide plate drive compression bar, and then adjusts pressure of the compression bar presser feet towards material-feeding rolling wheels
Power, and elastic layering energy flexible deformation, enable presser feet to follow cloth situation close to material-feeding rolling wheels, and raising eats thick energy to cloth
Power stitches thickness and expects that work feed is smooth and stitching is good, improves product quality.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the three-dimensional installation diagram of computer height head vehicle provided by the embodiment of the utility model；
Fig. 2 is the three-dimensional installation diagram of the computer height head vehicle of Fig. 1, and wherein pedestal, head and column do not show；
The three-dimensional installation diagram of the shank and Yarn taking-up mechanism applied in the computer height head vehicle that Fig. 3 is Fig. 1；
Fig. 4 is the shank of Fig. 3 and the main view of Yarn taking-up mechanism；
Needle bar crank, take-up rocking bar, line-choosing connecting rod and the thread take-up tension lever applied in the shank and Yarn taking-up mechanism that Fig. 5 is Fig. 4
Assembling schematic diagram；
The assembly signal for shank ontology, needle bar crank and the shank connecting rod applied in the shank and Yarn taking-up mechanism that Fig. 6 is Fig. 4
Figure；
The three-dimensional installation diagram for the pressure lever mechanism applied in the computer height head vehicle that Fig. 7 is Fig. 1；
Fig. 8 is the three-dimensional installation diagram of another angle of the pressure lever mechanism of Fig. 7；
The three-dimensional installation diagram for the thread releasing mechanism applied in the computer height head vehicle that Fig. 9 is Fig. 1；
The three-dimensional installation diagram for the rotary shuttle mechanism applied in the computer height head vehicle that Figure 10 is Fig. 1；
Figure 11 is the feeding applied and the three-dimensional installation diagram for backstitching mechanism in the computer height head vehicle of Fig. 1；
Figure 12 be Figure 11 feeding and backstitch mechanism another angle three-dimensional installation diagram；
The three-dimensional installation diagram for the thread cutting mechanism applied in the computer height head vehicle that Figure 13 is Fig. 1.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Also referring to Fig. 1 and Fig. 2, computer height head vehicle provided by the utility model, including pedestal 11, set on pedestal 11
Head 12 with column 13, be installed on the shank of head 12 and Yarn taking-up mechanism 20, the pressure lever mechanism 30 for compressing cloth, be installed on
The thread releasing mechanism 40 of head 12, the rotary shuttle mechanism 50 for being installed on pedestal 11 are used for transmission the feeding of cloth and backstitch mechanism 60, peace
Thread cutting mechanism 70 loaded on pedestal 11.Pressure lever mechanism 30 include be installed on head 12 compression bar 31, set on compression bar 31 presser feet 32,
It is fixed on the guide plate 33 of compression bar 31, swing is installed on head 12 and its free end is connected to the elastic layering 34 of guide plate 33 and turns
The dynamic voltage regulation screw 341 for being set to head 12 and being used for ejection elastic layering 34.Feeding and backstitch mechanism 60 include rotational installation
In the rear lower axle 62 of preceding lower axle 61 and preceding lower axle 61 coaxial arrangement of pedestal 11, between preceding lower axle 61 and rear lower axle 62
Clutch 63, rotational installation are in column 13 and the material-feeding rolling wheels 64 that are oppositely arranged with presser feet 32 and for turning rear lower axle 62
It is dynamic to move the transmission mechanism 65 for being converted to the rotational motion of material-feeding rolling wheels 64.
Cloth transmission is realized by the presser feet 32 of pressure lever mechanism 30 and feeding and the material-feeding rolling wheels 64 for backstitching mechanism 60.It swings
The free end for being installed on the elastic layering 34 of head 12 is connected to guide plate 33, by rotating 341 adjustable elastic pressure of voltage regulation screw
The pressure of item 34 makes guide plate 33 drive compression bar 31, and then adjusts pressure of 31 presser feet 32 of compression bar towards material-feeding rolling wheels 64, and bullet
Property press strip 34 can flexible deformation, enable presser feet 32 that cloth situation to be followed to improve the thick ability of eating to cloth close to material-feeding rolling wheels 64,
The thick material work feed of seam is smooth and stitching is good, improves product quality.
Please refer to Fig. 7, guide plate 33 has locating slot 331, and 34 free end of elastic layering is connected to the positioning of guide plate 33
The bottom surface of slot 331, the structure are easy assembly and transmission.Head 12 is equipped with support screw 342, so that elastic layering 34 swings installation
In head 12, elastic layering 34 extends along the length direction of head 12.Head 12 is equipped with and traps 311, and compression bar 31, which is arranged in, traps
311, make compression bar 31 that can only move up and down.Guide plate 33 and guide rod are locked by screw, are easy assembly.Presser feet 32 and compression bar 31 pass through
Screw locking, is easy assembly.In the present embodiment, the stitching that computer height head vehicle is formed is 301.
Further, also referring to Fig. 1 to Fig. 6, one kind as computer height head vehicle provided by the utility model is specific
Embodiment, shank and Yarn taking-up mechanism 20 include the rotating drive part 21 for being installed on head 12, by the driving turn of rotating drive part 21
The needle bar crank of dynamic upper axis 22, the shank ontology 23 and upper axis 22 synchronous rotation that are slidably mounted on head 12 along the vertical direction
24, its both ends is respectively pivoted to the shank connecting rod 25 of needle bar crank 24 and shank ontology 23, is articulated in the take-up rocking bar of head 12
27, its both ends is respectively pivoted to the line-choosing connecting rod 28 of needle bar crank 24 and take-up rocking bar 27 and is fixed on choosing for line-choosing connecting rod 28
Line bar 29.The shank and Yarn taking-up mechanism 20 can be reduced the abrasion between kinematic pair.Rotating drive part 21 is motor, is easy to control.
Head 12 is equipped with automatically controlled 14, for controlling rotating drive part 21.The axis of upper axis 22 and the axis of rear lower axle 62 are parallel to each other, knot
Structure is compact.Rotating drive part 21 drives upper axis 22 to rotate, and needle bar crank 24 is locked on axis 22 to be rotated together with upper axis 22, leads to
Cross needle bar crank 24, line-choosing connecting rod 28 is connect with thread take-up tension lever 29,29 other end of thread take-up tension lever is connected by take-up rocking bar 27 and head 12
It connects, motion mode is shown in Fig. 5.Rotating drive part 21 drives upper axis 22 to rotate, and needle bar crank 24 is locked on axis 22 with upper axis
22 rotate together, and are connect by needle bar crank 24 with shank connecting rod 25, and shank ontology 23 is driven to move up and down, and motion mode is shown in
Fig. 6.The end that shank connecting rod 25 is connected to shank ontology 23 is equipped with sliding block 251, and head is equipped with the guide groove extended along the vertical direction
252, sliding block 251 is slidably mounted in guide groove 252, realizes that shank ontology 23 moves up and down.Shank ontology 23 and compression bar 31 are side by side
Setting, it is compact-sized.Head 12 is equipped with shank axle sleeve 231, and shank ontology 23 is arranged in shank axle sleeve 231, so that shank can only
It moves up and down.The end of upper axis 22 is connected with handwheel 211, rotates convenient for axis 22 in manual drive.Pedestal 11 is adjusted equipped with needle gage
Button 681 and needle gage adjuster 682, needle gage adjuster 682 are connected to rear lower axle 62, for metering needle away from.
Further, Fig. 1, Figure 10 are please referred to, a kind of specific implementation as computer height head vehicle provided by the utility model
Mode, rotary shuttle mechanism 50 include set between upper axis 22 and rear lower axle 62 synchronous belt mechanism 51, be installed on before lower axle 61 the
One bevel gear 52 extends along the vertical direction and is rotatablely installed the rotary shuttle shaft 53 in column 13, is installed on rotary shuttle shaft 53 and with first
The second bevel gear 54 of 52 engaged transmission of bevel gear and the rotating shuttle ontology 55 for being fixed on rotary shuttle shaft 53.The power of upper axis 22 passes through
Synchronous belt mechanism 51 is transferred to rear lower axle 62, lower axle 61 before being transferred to by clutch 63, using first bevel gear 52, second
Bevel gear 54 and rotary shuttle shaft 53 drive rotating shuttle ontology 55 to work, this is compact-sized.Synchronous belt mechanism 51 includes being respectively arranged on axis
22 with the synchronous pulley 511 of rear lower axle 62, be set around the synchronous belt 512 of two synchronous pulleys 511 and be connected to synchronous belt 512
Tensioning wheel 513, compact-sized, power is transferred to rear lower axle 62 by upper axis 22.
Further, Fig. 7 and Fig. 8 is please referred to, a kind of specific implementation as computer height head vehicle provided by the utility model
Mode, pressure lever mechanism 30 include the portable spanner for being rotatablely installed the wrench shaft 351 in head 12, being connected with wrench shaft 351
352 and with wrench shaft 351 rotate synchronously and match with guide plate 33 to adjust the portable cam 353 of the vertical position of guide plate 33.
Portable spanner 352 is rotated, the portable cam 353 connecting with wrench shaft 351 is driven, portable cam 353 drives guide plate 33, passes through pressure
Bar 31 promotes or puts down presser feet 32.
Further, a kind of specific embodiment as computer height head vehicle provided by the utility model, pressure lever mechanism 30
Further include the automatic pressure-raising foot electromagnet 361 for being installed on pedestal 11, drive mobile pressure-raising foot by automatic pressure-raising foot electromagnet 361
Curved bar 362, rotational installation are in head 12 and the foot that is connected with pressure-raising foot curved bar 362 gives as security long axis 363, is connected to foot and gives as security long axis
363 foot gives as security crank 364, swing is set to head 12 and is matched with guide plate 33 to adjust the loose ends of the vertical position of guide plate 33
Cam 365 and its both ends are connected to the foot signature pull rod 366 that foot gives as security crank 364 and loose ends cam 365.Automatic pressure-raising foot electricity
Magnet 361 moves, and pushes pressure-raising foot curved bar 362, or act rotation knee control pressure-raising foot lever 37 by knee, rotation foot gives as security long axis
363 and foot give as security crank 364, pull foot give as security pull rod 366 so that loose ends cam 365 rotate, promoted guide plate 33, presser feet 32 is lifted.
Loose ends cam 365 is installed on head 12 by being connected to the screw swing of head 12.
Further, Fig. 1, Fig. 2, Fig. 9 are please referred to, a kind of specific reality as computer height head vehicle provided by the utility model
Mode is applied, thread releasing mechanism 40 includes the loose ends electromagnet 41 for being installed on head 12, drives mobile loose ends by loose ends electromagnet 41
Mandril 42 and tension disk 43 by 42 ejection of loose ends mandril.Loose ends electromagnet 41 works, so that loose ends mandril 42 pushes tension disk
43, realize loose ends.Tension disk 43 is the prior art.Head 12 is equipped with winder 44.Head 12 is equipped with head button 16.
Further, Figure 11 and Figure 12 is please referred to, a kind of specific reality as computer height head vehicle provided by the utility model
Apply mode, transmission mechanism 65 includes the feed spool 651 being arranged side by side with rear lower axle 62, convex with the transmission of rear lower axle 62 synchronous rotation
Wheel 652, the feeding rear crank 653 for being fixed on feed spool 651, its both ends are respectively pivoted to driving cam 652 and feeding rear crank
653 kinematic link 654 extends along the vertical direction and is rotatablely installed the transmission axle 655 in column 13, is used for feed spool 651
Pendulum motion be converted to transmission axle 655 rotation transmission component 66 and be installed on transmission axle 655 top feeding cone tooth
Wheel 656, material-feeding rolling wheels 64 are equipped with the drive bevel gear 641 with 656 engaged transmission of feeding bevel gear.Lower axle 62 is led to by upper axis 22 afterwards
It crosses synchronous belt mechanism 51 and drives rotation, power passes through driving cam 652, kinematic link 654, feeding rear crank 653, feed spool
651, transmission component 66, transmission axle 655, feeding bevel gear 656 and drive bevel gear 641 drive material-feeding rolling wheels 64 to rotate.Its
In, rear lower axle 62 rotates, and feed spool 651 is swung.This is compact-sized, and power transmitting is reliable, stitches thickness and expects that work feed is smooth and stitching is good,
Improve product quality.There is bearing between driving cam 652 and kinematic link 654, reduces friction.
Further, a kind of specific embodiment as computer height head vehicle provided by the utility model, transmission component 66
It is pivotally connected respectively including crank 661, the unilateral bearing seat 662 for being installed on pedestal 11, its both ends before being fixed on the feeding of feed spool 651
Before feeding the Universal linking lever 663 of crank 661 and unilateral bearing seat 662, be supported on unilateral bearing seat 662 backstitch axis 664, peace
Loaded on the suitable seam bevel gear 665 for backstitching axis 664 and being separately arranged and backstitches bevel gear 666 and be installed on the bottom of transmission axle 655
End and for selectively with along seam bevel gear 665 or backstitch the middle seat bevel gear 667 of the engaged transmission of bevel gear 666.Universal company
One end of bar 663 is articulated in the lateral wall of unilateral bearing seat 662, and other end is articulated in crank 661 before feeding, Universal linking lever
663 is parallel with the axis of feed spool 651 with the pivot joint axis before feeding between crank 661 and separately.Feed spool 651 moves
Power, by preceding feeding crank, Universal linking lever 663, unilateral bearing seat 662, drive backstitches the one-directional rotation of axis 664.Pass through cone tooth again
Wheel set drives transmission axle 655 to rotate.This is compact-sized, and power transmitting is reliable, stitches thickness and expects that work feed is smooth and stitching is good, improves product
Quality.
Further, a kind of specific embodiment as computer height head vehicle provided by the utility model, feeding and backstitches
Mechanism 60 further includes being installed on backstitching electromagnet 671 and driven by backstitching electromagnet 671 and mobile backstitching lever for pedestal 11
672, it backstitches lever 672 and is connected to and backstitch axis 664.Backstitching 671 motion process of electromagnet is：The movement of electromagnet 671 is backstitched, is pushed
Lever 672 is backstitched, drive backstitches axis 664 along seam bevel gear 665 and backstitches the transposition of bevel gear 666, the middle commutation of seat bevel gear 667 rotation
Turn, further makes the commutation rotation of material-feeding rolling wheels 64.It backstitches spanner 673 referring to Fig. 2, head 12 is equipped with and backstitches electronic switch
674, electromagnet 671 is backstitched for controlling.
Further, Fig. 1, Figure 13 are please referred to, a kind of specific implementation as computer height head vehicle provided by the utility model
Mode, thread cutting mechanism 70 include extending and being rotatablely installed the trimming casing 71 in column 13 along the vertical direction, be installed on trimming set
First transmission gear 72 on the top of pipe 71 is articulated in column 13 and the second driving cog with 72 engaged transmission of the first transmission gear
Wheel 73, with the second transmission gear 73 rotate synchronously thread trimmer 74, be fixed on trimming casing 71 bottom end trimming support 75, peace
Trimming electromagnet 76 loaded on pedestal 11, the trimming cam 77 for being installed on rear lower axle 62, swing be installed on pedestal 11 and for
Trimming cam 77 contacts so that the trimming lever 78 that separates with rear 62 phase of lower axle of preceding lower axle 61, its both ends are respectively pivoted to and cut
Line support 75 is mobile with the trimming support arm 79 of trimming lever 78 and by the driving of trimming electromagnet 76 and is connected to trimming support arm 79
Linking arm 791.Trimming electromagnet 76 moves, and pushes linking arm 791 and trimming support arm 79, makes trimming lever 78 against trimming cam
77, trimming support arm 79 drives trimming support 75 to rotate.Pass through trimming casing 71, the first transmission gear 72 and the second transmission gear
73, drive thread trimmer 74 to move.Thread trimmer 74 is arranged close to rotating shuttle ontology 55.Existing trimming action is not over trimming thick stick
The leverage of bar 78, so that trimming power is inadequate.The spacing of linking arm 791 and trimming lever 78 is less than linking arm 791 and trimming
The spacing of support 75 becomes larger so that forming active force at trimming support 75, i.e. the trimming power of thread trimmer 74 becomes larger.Trimming lever 78
Axis of oscillation, trimming lever 78 between pedestal 11 and the pivot joint axis between trimming support arm 79, trimming support arm 79 and trimming
Pivot joint axis, trimming casing 71 between support 75 are parallel to each other relative to the pivot center of column 13, trimming support arm 79 with cut
Between line support 75 pivot joint axis, trimming casing 71 relative to column 13 pivot center separately, the shifting of trimming support arm 79
The dynamic movement that can drive trimming lever 78 Yu trimming support 75 simultaneously.Rotary shuttle shaft 53 is arranged in trimming casing 71.Head 12 is equipped with
Oily window 15.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. computer height head vehicle, which is characterized in that including：
Pedestal；
Set on the head and column of the pedestal；
It is installed on the shank and Yarn taking-up mechanism of the head；
For compressing the pressure lever mechanism of cloth comprising be installed on compression bar, the presser feet set on the compression bar, fixation of the head
In the compression bar guide plate, swing be installed on the head and its free end be connected to the guide plate elastic layering and rotation
It is set to the head and the voltage regulation screw for elastic layering described in ejection；
It is installed on the thread releasing mechanism of the head；
It is installed on the rotary shuttle mechanism of the pedestal；
Be used for transmission the feeding of cloth and backstitch mechanism comprising be rotatablely installed in the pedestal preceding lower axle, with it is described front lower
The rear lower axle of axis coaxial arrangement, the clutch between the preceding lower axle and the rear lower axle, rotational installation are in the column
And the material-feeding rolling wheels that are oppositely arranged with the presser feet and for will it is described after the rotational motion of lower axle be converted to the material-feeding rolling wheels
Rotational motion transmission mechanism；And
It is installed on the thread cutting mechanism of the pedestal.
2. computer height head vehicle as described in claim 1, which is characterized in that the shank and Yarn taking-up mechanism are described including being installed on
The rotating drive part of head, is slidably mounted on the head at the upper axis rotated by rotating drive part driving along the vertical direction
Shank ontology, the needle bar crank that is rotated synchronously with the upper axis, its both ends be respectively pivoted to the needle bar crank and the needle
The shank connecting rod of bar body, the take-up rocking bar for being articulated in the head, its both ends be respectively pivoted to the needle bar crank with it is described
The line-choosing connecting rod of take-up rocking bar and the thread take-up tension lever for being fixed on the line-choosing connecting rod.
3. computer height head vehicle as claimed in claim 2, which is characterized in that the rotary shuttle mechanism includes being set to the upper axis and institute
The synchronous belt mechanism between rear lower axle is stated, the first bevel gear for being installed on the preceding lower axle, extends along the vertical direction and rotates peace
Rotary shuttle shaft loaded on the column, be installed on the rotary shuttle shaft and with the second bevel gear of the first bevel gear engaged transmission,
And it is fixed on the rotating shuttle ontology of the rotary shuttle shaft.
4. computer height head vehicle as described in claim 1, which is characterized in that the pressure lever mechanism includes rotational installation in the machine
The wrench shaft of head, the portable spanner that is connected with the wrench shaft and with wrench shaft synchronous rotation and with the guide plate phase
Cooperate to adjust the portable cam of the vertical position of the guide plate.
5. computer height head vehicle as claimed in claim 4, which is characterized in that the pressure lever mechanism further includes being installed on the pedestal
Automatic pressure-raising foot electromagnet, by the mobile pressure-raising foot curved bar of the automatic pressure-raising foot solenoid actuated, rotational installation in described
Head and the foot being connected with the pressure-raising foot curved bar give as security long axis, the foot signature crank for being connected to the foot signature long axis, swing setting
It matches in the head and with the guide plate to adjust the loose ends cam of the vertical position of the guide plate and its both ends and connect respectively
It is connected to the foot signature pull rod that the foot gives as security crank and the loose ends cam.
6. such as computer height head vehicle described in any one of claim 1 to 5, which is characterized in that the thread releasing mechanism includes being installed on
The loose ends electromagnet of the head, by the mobile loose ends mandril of the loose ends solenoid actuated and by the loose ends mandril ejection
Tension disk.
7. such as computer height head vehicle described in any one of claim 1 to 5, which is characterized in that the transmission mechanism include with it is described
The driving cam of lower axle is arranged side by side afterwards feed spool and the rear lower axle synchronous rotation, the feeding for being fixed on the feed spool
Rear crank, its both ends are respectively pivoted to the kinematic link of the driving cam and the feeding rear crank, extend along the vertical direction
And the rotational installation transmission axle in the column, the rotation for the pendulum motion of the feed spool to be converted to the transmission axle
Transmission component and be installed on the transmission axle top feeding bevel gear, the material-feeding rolling wheels be equipped with and the feeding bore
The drive bevel gear of gear engaged transmission.
8. computer height head vehicle as claimed in claim 7, which is characterized in that the transmission component includes being fixed on the feed spool
Feeding before crank, the unilateral bearing seat for being installed on the pedestal, its both ends be respectively pivoted to before the feeding crank with it is described
The Universal linking lever of unilateral bearing seat is supported on backstitching axis, being installed on and described backstitch axis and separately set for the unilateral bearing seat
The suitable seam bevel gear set with backstitch bevel gear and be installed on the bottom end of the transmission axle and for selectively boring with described along seam
Gear or the middle seat bevel gear for backstitching bevel gear engaged transmission.
9. computer height head vehicle as claimed in claim 8, which is characterized in that the feeding and to backstitch mechanism further include being installed on institute
State pedestal backstitch electromagnet and by it is described backstitch solenoid actuated it is mobile backstitch lever, the lever that backstitches is connected to institute
It states and backstitches axis.
10. such as computer height head vehicle described in any one of claim 1 to 5, which is characterized in that the thread cutting mechanism includes along vertical
Direction extends and is rotatablely installed the first driving cog of the trimming casing in the column, the top for being installed on the trimming casing
It takes turns, be articulated in the column and the second transmission gear and second driving cog with the first transmission gear engaged transmission
Take turns the thread trimmer rotated synchronously, the trimming support for the bottom end for being fixed on the trimming casing, the trimming electricity for being installed on the pedestal
Magnet, the trimming cam for being installed on the rear lower axle, swing are installed on the pedestal and match for abutting with the trimming cam
It closes so that the preceding lower axle is respectively pivoted to the trimming support and institute with the trimming lever that lower axle mutually separates described afterwards, its both ends
State the trimming support arm of trimming lever and mobile by the trimming solenoid actuated and be connected to the linking arm of the trimming support arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820547028.0U CN208136463U (en) | 2018-04-16 | 2018-04-16 | Computer height head vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820547028.0U CN208136463U (en) | 2018-04-16 | 2018-04-16 | Computer height head vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208136463U true CN208136463U (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820547028.0U Active CN208136463U (en) | 2018-04-16 | 2018-04-16 | Computer height head vehicle |
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| Country | Link |
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| CN (1) | CN208136463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425186A (en) * | 2018-04-16 | 2018-08-21 | 深圳市远成缝纫机工业有限公司 | Computer height head vehicle |
-
2018
- 2018-04-16 CN CN201820547028.0U patent/CN208136463U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425186A (en) * | 2018-04-16 | 2018-08-21 | 深圳市远成缝纫机工业有限公司 | Computer height head vehicle |
| CN108425186B (en) * | 2018-04-16 | 2024-01-12 | 深圳市远成缝纫机工业有限公司 | Computer high head vehicle |
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