CN104233663A - Sewing arm mechanism of embroidery machine - Google Patents
Sewing arm mechanism of embroidery machine Download PDFInfo
- Publication number
- CN104233663A CN104233663A CN201410251221.6A CN201410251221A CN104233663A CN 104233663 A CN104233663 A CN 104233663A CN 201410251221 A CN201410251221 A CN 201410251221A CN 104233663 A CN104233663 A CN 104233663A
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- CN
- China
- Prior art keywords
- main shaft
- cam
- arm
- sewing
- shank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
- D05C11/02—Machine needles
- D05C11/06—Needle-driving or control mechanisms
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B73/00—Casings
- D05B73/02—Upper casings
Abstract
The invention provides a sewing arm mechanism of an embroidery machine. Maintenance operation of the sewing arm is easy. The sewing arm drives a needle rod, a pressure device and a scale buckled with the sewing head on the front surface of the sewing arm in free assembling and unassembling by utilization of a needle rod driving section and by utilization of a connection rod, a pressure device linkaged with the needle rod driving section and a scale driving section embedded into a groove around a scale cam and converting eccentric rotation of the scale cam into moving up and down. Through rotation of a main shaft cam, the needle rod driving section is driven up and down through a needle rod driving section driving arm, a plate-shaped member and a pair of rollers. When a back surface cover is dismounted and fixation of fixed section arranged up and down is relieved from a bridge section of a door-shaped frame, under a state that cam component systems of a cam connection plate, a main shaft cam, a scale cam and the like are stayed at the main shaft side, the other section system of the sewing arm is dismounted from the main shaft in the direction shown by the arrow. The main shaft cam and the scale cam can cut up and down at the cutting border section respectively.
Description
Technical field
The present invention relates to the sewing arm mechanism maintenance operation of sewing arm being easy to embroidery machine.
Background technology
In the past, the embroidery machine of the gate possessing Multi-head machine or single head machine is known to.The embroidery machine of gate possesses main shaft, and the framework that is supported at both ends in of this main shaft rotates.The cam part of arm engages with this main shaft.
Such as Japanese Laid-Open Patent Publication 60-119985 publication, the publicity of Japanese Unexamined Patent Publication 04-075689 publication institute, arm engages with the shank portion of head in side, the driving force up and down produced by cam part is utilized to drive shank and the balance in shank portion up and down, and moving up and down at opposite side restriction fabric clamp.
A kind of sewing is provided in above-mentioned Japanese Laid-Open Patent Publication 60-119985 publication, its mode not using the monocycle of lower shuttle to make with head is formed, and can use formally to make to reach the standard grade and ring apical organ (looper) automatically form embroidery sewings according to embroidery pattern data with a pin.
In this Japanese Laid-Open Patent Publication 60-119985 publication, with reference to the 1st figure and the 2nd figure, the mechanism being equivalent to arm and the mechanism being equivalent to shank portion are integrated, and are configured in the framework that is made up of casing 30 and wooden frame 32, thus form sewing head α.And, in multiple sewing head α, insert the shank driving shaft B being equivalent to main shaft.
Further, provide a kind of sewing of multi-end multi-needle formula in Japanese Unexamined Patent Publication 04-075689 publication, each shank of the sewing head do not used can unload in the lump by it under the state that balance corresponding is with it stayed sewing arm side.
In this Japanese Unexamined Patent Publication 04-075689 publication, easily distinguish with reference to the 1st figure, be configured to, only make shank from the organizational separation being equivalent to shank portion, wherein, this mechanism being equivalent to shank portion is integrated with the mechanism being equivalent to arm.Further, the mechanism that arm and shank portion are integrated remains in sewing arm 12, and sewing main shaft 14 inserts in shank driving cam 16.
But embroidery machine carries out extremely complicated action, and thus mechanism is also complicated.If mechanism's complexity, also easily breaks down.When a failure occurs it, exactly because mechanism is complicated, (be actually and be replaced by new part) that trouble location restores is maintained operation and be not easy.
Such as, the parts of the arm beyond the cam configuration bodies such as spindle cam and sky periphery cam produce any fault caused because of abrasion or breakage etc., arm only can not carry out the replacing in the unit portion beyond cam configuration body usually.Therefore, the arm broken down be changed overall.In order to carry out this replacing, first from the arm broken down, extract main shaft.
Such as, when Japanese Laid-Open Patent Publication 60-119985 publication, in order to change the sewing head α broken down that arm and shank portion are integrated, will the longer shank driving shaft B suitable with main shaft of multiple sewing head α be driven to extract from the sewing head α of this fault simultaneously.
When the shank portion of Japanese Unexamined Patent Publication 04-075689 publication, though can by shank from shank drive part from, but sewing arm 12 and sewing head 10 are one, thus for the fault of shank drive division, also in the same manner as above-mentioned situation, sewing main shaft 14 to be extracted from sewing head 10.
And, when the cam configuration body such as eccentric cam of the drive source up and down as shank and balance occurs abnormal, because these cam mechanisms to engage with spindle cam and driven, so in this case, when must by except the method except outer surface reparation can be carried out, part replacement or unit replacement etc. carry out handling failure time, also to extract main shaft.Also be same when any fault occurs tabular rotating cam.
When the embroidery machine of multi-end multi-needle formula, head (shank and shank drive division) and arm are engaged by slidingtype and are in fact integrated.Therefore, in this case, the restoration after a failure of shank drive division and the exception of cam configuration body are restored, also extracts the operation of main shaft.
Carry out extracting main shaft until recover in normal flow chart, even if when single head machine, also very many steps and time is needed, in addition when Multi-head machine, when extracting long main shaft, except with except problem spatially, need link that is lax and main shaft to also extract main shaft from the normal header linked by main shaft and fault head.
Therefore, there is the following problem that should solve: recover normally at fault head, need the assembling operation carrying out embroidery machine entirety, head number is multiple, and correspondingly, not only the number in man-hour of assembling operation increases, and assembling operation itself is also along with great difficulty.
Summary of the invention
The invention solves above-mentioned existing problem, its object is to provide a kind of maintenance operation to sewing arm to be easy to the sewing arm mechanism of embroidery machine.
In order to solve the above problems, the sewing arm mechanism of embroidery machine of the present invention carries out moving up and down of pin by the rotary motion of main shaft is converted to moving up and down of shank connecting member, wherein, the sewing arm mechanism of above-mentioned embroidery machine is configured to possess arm and fixed part, said arm has: spindle cam, itself and one end by axle be supported on embroidary machine frame erect setting unit and the main shaft rotated links also and is fixed in this main shaft, and to rotate together with this main shaft; Pair of rolls, they abut with the revolution surface of this spindle cam, and correspondingly move up and down with the rotation of above-mentioned spindle cam; Plate-shaped member, it keeps this pair of rolls, moves up and down and is delivered to above-mentioned plate-shaped member from this pair of rolls; Sliding guidance parts, it guides the above-mentioned above-below direction moved up and down of this plate-shaped member; Shank drives transmission arm, its one end is supported on arm housing by axle, above-mentioned the moving up and down of above-mentioned plate-shaped member is passed to the central portion that above-mentioned shank drives transmission arm, and above-mentioned shank drives transmission arm with above-mentioned one end for above-mentioned the moving up and down being passed to above-mentioned central portion is amplified and be delivered to the other end by rotating fulcrum; And shank drive division, the above-mentioned other end of itself and this shank linkage part links, and be embedded in sliding axle outward, above-mentioned shank drive division be detachably sticked in head by the above-mentioned shank connecting member of shank selected, under the state that above-mentioned pair of rolls engages with the above-mentioned revolution surface of above-mentioned spindle cam, said arm is fixed on the bridge portion of above-mentioned embroidary machine frame by fixation portions in the mode that can load and unload.
2 parts being divided into the shape that can be separated from above-mentioned main shaft such as to be fixed in the mode that can be separated by screw component and are formed by above-mentioned spindle cam, and be configured to, when said arm being unloaded from above-mentioned bridge portion when removing the fixing of fixation portions to said arm, unload side by side with this, above-mentioned spindle cam is removed to be exposed to outside with the engaging of above-mentioned pair of rolls, under the state that this exposes, remove the fixing of above-mentioned screw component and above-mentioned spindle cam is divided into above-mentioned 2 parts, above-mentioned spindle cam is removed and the fixing of above-mentioned main shaft and unloading from above-mentioned main shaft thus, or, above-mentioned main shaft is being sandwiched to the fixed position of above-mentioned main shaft by divided above-mentioned 2 parts, and by above-mentioned screw component by above-mentioned 2 partial fixings, above-mentioned spindle cam is fixed in the fixed position to above-mentioned main shaft thus.
The sewing arm mechanism of this embroidery machine such as also has a day periphery cam, above-mentioned sky periphery cam and above-mentioned main shaft link and are fixed in this main shaft, above-mentioned sky periphery cam rotates together with this main shaft, 2 parts being divided into the shape that can be separated from above-mentioned main shaft to be fixed in the mode that can be separated by screw component and are formed by this day periphery cam, within this day, periphery cam is configured to, when said arm being unloaded from above-mentioned bridge portion when removing the fixing of fixation portions to said arm, unload side by side with this, above-mentioned sky periphery cam is removed to be exposed to outside with the engaging of roller member, under the state that this exposes, remove the fixing of above-mentioned screw component and above-mentioned sky periphery cam is divided into above-mentioned 2 parts, thus above-mentioned sky periphery cam is removed and the fixing of above-mentioned main shaft and unloading from above-mentioned main shaft, wherein, above-mentioned roller member links in side and balance drive division, and the groove of day periphery cam is sticked at opposite side, or, above-mentioned main shaft is being sandwiched to the fixed position of above-mentioned main shaft by divided above-mentioned 2 parts, and by above-mentioned screw component by above-mentioned 2 partial fixings, above-mentioned sky periphery cam is fixed in the fixed position to above-mentioned main shaft thus.
Like this, the present invention can provide the sewing arm mechanism maintenance operation of sewing arm being easy to embroidery machine.
Accompanying drawing explanation
Fig. 1 is the stereogram of the outward appearance of the embroidery machine that the sewing arm mechanism possessing embodiments of the invention 1 is shown.
Fig. 2 is a part with the sewing arm of the sewing arm mechanism of embodiment 1 for the embroidery machine that Fig. 1 is shown and the stereogram of the outward appearance of sewing head engaged with this sewing arm.
Fig. 3 removes the sewing head of Fig. 2 and the stereoscopic figure that only sewing arm of the sewing arm mechanism with embodiment 1 illustrated together with main shaft.
Fig. 4 is a part for the arm housing of the sewing arm cutting Fig. 3 and removes back side cover and the in-built stereogram of sewing arm is shown.
Fig. 5 is the internal structure of sewing arm in order to be easier to understand Fig. 4 and omits the diagram of main shaft and the top of removing arm housing and then the stereogram making overall right direction 90-degree rotation and illustrate.
Fig. 6 illustrates fixed part, spindle cam and the sky periphery cam fixing on main shaft of the sewing arm of Fig. 4 to stay main shaft side and the stereogram of the state unloaded from main shaft by the remainder of sewing arm.
In Fig. 7, (a) is the stereogram that the state that the spindle cam in the parts that stay in the main shaft side of Fig. 5 is separated from main shaft with sky periphery cam is shown, (b) is the figure that day periphery cam is shown from the dorsal part of (a).
Label declaration
1: embroidery machine;
2: sewer's station;
3: embroidery frame;
4: lower shuttle portion;
5: sewing head;
6: sewing arm;
7 (7a, 7b): erect setting unit;
8: bridge portion;
9: main shaft;
11: colour changing portion;
12: colour changing axle;
13: platform of reaching the standard grade;
14: tube placing device;
15: threading apparatus;
16: balance portion;
17: tensioning setting unit;
18: shank portion;
19: fabric clamp;
21: head rail;
22: rail guiding groove parts;
23: guide maintaining part;
24: arm housing;
24a: upper end;
24b: front upper surface;
24c: inner front lower surface;
24d: side;
25: screw;
26: fixed part;
27: left cover;
28: right cover;
29: lower cover;
30: the back side is covered;
31,32: insert hole;
33: arm axle;
34: shank drive division;
35: fabric clamp drive division;
36: bearing;
37: flange;
38: notch part;
39: balance actuating arm;
39a: installation portion;
40: balance driven roller;
41: bearing;
42: bearing cage;
43: bolt;
44: main shaft link collar part;
45: cam web;
46: sky periphery cam;
46a: partitioning boundary portion;
46b, 46c: divided 2 parts;
46d: groove;
47: swing arm;
47a: installation portion;
48: roller member;
51,52: bolt;
53: spindle cam;
53b, 53c: divided 2 parts;
54,55: bolt;
56: pair of rolls;
57: plate-shaped member;
58: sliding axle;
59: shank drive division actuating arm;
61: arm axle;
62: plate-shaped member engagement shaft;
63: fabric clamp drive link.
Detailed description of the invention
Below, with reference to accompanying drawing, embodiments of the present invention are described.
1st embodiment
Fig. 1 is the stereogram of the outward appearance of the embroidery machine that the sewing arm mechanism possessing the 1st embodiment is shown.As shown in Figure 1, embroidery machine 1 possesses: sewer's station 2 and embroidery frame 3, and this embroidery frame 3 is significantly expanded at the central portion of this sewer's station 2.
Shuttle portion 4 under the inner side of embroidery frame 3 is provided with multiple (in the example of Fig. 1 being 4).Embroidery frame 3 all around freely moves according to the program of embroidery Letter of Instructions after tensioning arranges embroidery medium.
Position above corresponding with lower shuttle portion 4 is configured with multiple (in the example of Fig. 1 being 4) embroidery machine head 5, and the head rail of embroidery machine head 5 is held in the guide rail maintaining part of sewing arm 6, and the details about the head rail of embroidery machine head 5 describes later.
Sewer's station 2 of embroidery machine 1 is formed with gate framework, and this gate framework is made up of erecting setting unit 7 (7a, 7b) and these 2 being erected the bridge portion 8 that setting unit 7 links up of arranging at the both ends, left and right of sewer's station 2.
4 sewing arm 6 are fixed in the bridge portion 8 of gate framework respectively by fixed part, the details about fixed part describes later.1 main shaft 9 has been inserted in these 4 sewing arm 6.
What one end of main shaft 9 (being the end of right in Fig. 1) was supported on a side (being right in Fig. 1) of gate framework by axle erects setting unit 7 (7a).One end of being supported by axle of main shaft 9 hides the inside erecting setting unit 7a in FIG and cannot see, but on one end of being supported by axle of main shaft 9, be fixedly installed belt wheel, hangs with driving belt at the spaced winding with the belt wheel eliminating illustrated motor.Utilize this motor to carry out driving main shaft 9 to rotate.
Further, the face identical with the face being fixed with sewing arm 6 in the bridge portion 8 of gate framework is equipped with colour changing portion 11, and multiple shanks of these 11 pairs of sewing heads 5 in colour changing portion are alternatively selected.Colour changing portion 11 controls to select the shank as alternative by the movement of the axis to the colour changing axle 12 inserted in 4 sewing heads.
Further, be equipped with at the upper surface in the bridge portion 8 of gate framework platform 13 of reaching the standard grade, platform 13 of reaching the standard grade has the length of the length direction roughly corresponding with the arrangement width of the sewing head 5 being arranged with 4.Platform 13 of reaching the standard grade is made up of flat tube placing device 14 and shaft-like threading apparatus 15.
Fig. 2 is a part for the sewing arm 6 with the sewing arm mechanism of this example of the embroidery machine 1 that Fig. 1 is shown and the stereogram of the outward appearance of sewing head 5 that engages with this sewing arm 6.This sewing head 5 possesses 9 shank portions.That is, this embroidery machine 1 can carry out the embroidery that is made up of the line of 9 kinds of colors.
Above-mentioned shank portion possesses balance portion 16, tensioning setting unit 17, shank portion 18 and fabric clamp 19.Though be not particularly illustrated, in the tube placing device 14 shown in Fig. 1, be placed with the reaching the standard grade for the shades of colour of embroidering on pipes such as being wound in paper tube.
The line of drawing from pipe is drawn after threading apparatus 14 further at lodge, through the sky flat hole in the balance portion 16 of the sewing head 5 shown in Fig. 2, drawn further along shank portion and be wound in tensioning setting unit 17 and the setting that is tensioned, being eventually passed through the pin hole of the pin of the end in shank portion 18.This sewing head 5 utilizes the head rail 21 at the back side and is held in the guide rail maintaining part described later of sewing arm 6 in the mode that can slide.
Fig. 3 be remove Fig. 2 sewing head 5 and only by stereoscopic figure that the sewing arm 6 with the sewing arm mechanism of this example illustrates together with main shaft 9.In addition, the head rail 21 shown in Fig. 2 is also shown in figure 3.Head rail 21 is embedded in the rail guiding groove parts 22 of sewing arm 6 sliding freely.
Rail guiding groove parts 22 are fixed in and guide maintaining part 23.Maintaining part 23 is guided to utilize 3 screws 25 to be fixed in the upper surface of the upper end 24a of arm housing 24.Further, arm housing 24 is fixed in the bridge portion 8 of the gate framework shown in Fig. 1 as described above by the upper and lower fixed part 26 at the back side.
Although be not very clear and definite in figure, be opening between the upper and lower fixed part 26 of arm housing 24, this opening portion is covered by back side cover 30.
At the front surface of arm housing 24, the left and right that central portion opens wide is covered by left cover 27 and right cover 28.Further, covered by lower cover 29 than the position more on the lower, below of the below of left cover 27, below that central portion opens wide and right cover 28.
And the tight inboard having opened wide the opening portion of above-mentioned central portion at arm housing 24 is configured with arm axle 33, the upper and lower end parts of this arm axle 33 insert in arm housing 24 front upper surface 24b insert the inserting between hole 32 of the front lower surface 24c of hole 31 and inside.
Be embedded with shank drive division 34 outside above arm axle 33, the drive end of shank drive division 34 is projected to outside front from the opening portion of the central portion of arm housing 24.Further, in the below of shank drive division 34, outside fabric clamp drive division 35, be embedded in arm axle 33, the drive end of fabric clamp drive division 35 is projected to outside front from the opening portion of the central portion of arm housing 24.
Further, near the outside inserting hole 32 of bottom inserting arm axle 33, be configured with bearing 36, a part for this bearing 36 projects to outside from the hole of growing crosswise being located at lower cover 29.
Bearing 36 a part the below of giving prominence to be configured with flange 37 in the shape bent upward from horizontal direction, this flange 37 is given prominence in the mode walking around the below of lower cover 29 from the bottom of arm housing 24.
Further, large notch part 38 is formed with at the front surface of the upper end 24a of arm housing 24.The balance driven roller 40 of the end of balance actuating arm 39 is configured to project to outside from this notch part 38 in the mode that can swing up and down.
Though be not particularly illustrated, the bottom rail of the sewing head 5 shown in Fig. 1 and Fig. 2 is engaged with flange 37, what make the bottom rail of sewing head 5 is connected to bearing 36 with the opposed faces of lower cover 29, and first the bottom of sewing head 5 engages with sewing arm 6 in the mode that can horizontally slip.
Then, utilize alignment pin and bolt that the rail fixed part of sewing head 5 is fixed on a rail 21.Head rail 21 horizontally slips and is held in the rail guiding groove parts 22 of sewing arm 6 freely, and the bottom rail of sewing head 5 horizontally slips and is held in the flange 37 of sewing arm 6 freely, thus sewing head 5 horizontally slips on the whole and is held in sewing arm 6 freely.
In this condition, from 9 shank portions of sewing head 5,1 shank portion is selected.Then, make the roller 39 of the drive end of the drive end of the shank drive division 34 of sewing arm 6, fabric clamp drive division 35, balance drive division respectively with selected the shank driven part in the shank portion of a selection, fabric clamp driven part, balance driven part engage, thus drive up and down respectively by shank, fabric clamp, the balance of selecting the shank portion of a selection.
Driving up and down of each part mentioned above utilizes the rotation of main shaft 9 and carry out simultaneously.Main shaft 9 inserts the bearing 41 in sewing arm 6.Bearing 41 is kept by bearing cage 42.Bearing cage 42 utilizes 4 bolts 43 to be fixed in the side 24d of arm housing 24.
Be formed with the hole of large circle in the central authorities of bearing cage 42, the main shaft link collar part 44 being embedded in main shaft 9 is outward fixed in main shaft 9 with the form in the hole entering into the circle of bearing cage 42 a little.
Fig. 4 is the part for arm housing 24 (upper end 24a, front upper surface 24b, side 24d) of the sewing arm 6 cutting Fig. 3 and a part for right cover 28 and removes back side cover 30 and the in-built stereogram of sewing arm 6 is shown.
Fig. 5 is the internal structure of sewing arm 6 in order to be easier to understand Fig. 4 and omits the diagram of main shaft 9, the top cutting arm housing 24 and then the stereogram making overall right direction 90-degree rotation and illustrate.
Fig. 6 illustrates that main shaft link collar part 44, bearing 41, bearing cage 42, cam web, spindle cam and the sky periphery cam be fixed on by cam mechanism on main shaft 9 making the sewing arm 6 of Fig. 4 stays main shaft side, and the remainder of sewing arm 6 is continued to use the stereogram of the state that direction that arrow a represents is unloaded from main shaft 9.
In addition, in Fig. 4 ~ Fig. 6, in the part needing to illustrate, illustrate giving the label identical with Fig. 3 with the isostructural part of Fig. 3 phase.Further, give new label to the part of new description and illustrate.In addition, in Fig. 4 and Fig. 6, eliminate the diagram of balance actuating arm 39 and balance driven roller 40.
As shown in Fig. 4, Fig. 6, on main shaft 9, except aforesaid main shaft link collar part 44, also using the mode that can load and unload fix and the cam web 45 being provided with circular as the location fixed part relative to cam mechanism.
Further, between the bearing 41 of the inner side (being left in figure) being configured in main shaft link collar part 44 on main shaft 9 and cam web 45, day periphery cam 46 is installed.This day periphery cam 46 is sentenced the shape that can be separated from main shaft 9 at partitioning boundary portion 46a and is divided into 2 part 46b and 46c.
Within this day, periphery cam 46 utilizes to main shaft 9 on the fixing fixed position place of divided 2 part 46b and 46c between bearing 41 and cam web 45 to sandwich main shaft 9, under the state that 46a place of partitioning boundary portion is close to mutually, utilize not shown screw component to be fixed in main shaft 9 by cam web 45.
The circumferential part of the medial surface (left surface in figure) of the sky periphery cam 46 shown in Fig. 6 is formed the groove 46d shown in (b) of Fig. 5 and Fig. 7.In this groove 46d, be embedded with roller member 48, this roller member 48 is installed in the end of the swing arm 47 shown in Fig. 5.
The installation portion 47a being branched off into two strands is formed at the root of swing arm 47.About swing arm 47, make to be embedded in swinging mounting axle 49 outside installation portion 47a, utilize bolt 51 by fastening for installation portion 47a and be fixed on swinging mounting axle 49.
The installation portion 39a possessing the balance actuating arm 39 of the balance driven roller 40 shown in Fig. 3 at end is anchored on this swinging mounting axle 49 in the mode that the installation portion 47a with swing arm 47 is adjacent by bolt 52, thus is fixed in swinging mounting axle 49.
Swinging mounting axle 49 is supported on the interior surface of the upper end 24a of the arm housing 24 shown in Fig. 3, Fig. 4 and Fig. 6 by axle.Swinging mounting axle 49 with the both ends of being supported by axle for fulcrum, can rotate along direction of rotation as shown in the twocouese arrow b in Fig. 5.
It periphery cam 46 is eccentric cams, and when rotating together with main shaft 9, the roller member 48 be embedded in the groove 46d of day periphery cam 46 moves back and forth up and down.When roller member 48 moves back and forth up and down, swing arm 47 swings for fulcrum up and down with swinging mounting axle 49.
This swing arm 47 swings up and down, and thus, the swinging mounting axle 49 becoming the swing pivot of swing arm 47 rotates along direction of rotation as aforementioned as shown in twocouese arrow b.Swinging mounting axle 49 rotates, and thus, the balance driven roller 40 of balance actuating arm 39 and end thereof swings up and down in the mode describing circular arc.
Further, as shown in Fig. 4, Fig. 6, on main shaft 9, in the side contrary with sky periphery cam 46 of cam web 45, spindle cam 53 is installed.The partitioning boundary portion 53 of this spindle cam 53 shown in Fig. 4 ~ Fig. 6 sentences and can be divided into 2 part 53b and 53c as shown in Figure 5 and Figure 6 like that from the shape of main shaft 9 separation.
Divided 2 part 53b and 53c utilize 2, the left and right shown in Fig. 5 bolt 54 to be mutually fixed closely at place of partitioning boundary portion 53.Interfix and form the spindle cam 53 that is integrated and utilize 2 bolts 55 in left and right to be fixed on the cam web 45 shown in Fig. 4, Fig. 5.
The spindle cam 53 being fixed in main shaft 9 by cam web 45 is eccentric rotary along with the rotation of main shaft 9.Pair of rolls 56 (but, in the diagram, the roller 56 of below is hidden in the back side of day periphery cam 46 and cannot sees) shown in Fig. 4, Fig. 6 is from the revolution surface being connected to this spindle cam 53 up and down.
As shown in Fig. 4, Fig. 6, pair of rolls 56 is held in plate-shaped member 57.Plate-shaped member 57 engages with the sliding axle 58 as sliding guidance parts in the side contrary with keeping the side of pair of rolls 56, thus limits upper and lower moving direction.
When spindle cam 53 rotates together with main shaft 9, pair of rolls 56 is with the corresponding amount reciprocating motion up and down of the residual quantity of the bias to spindle cam 53.This reciprocating motion is passed to the plate-shaped member 57 keeping pair of rolls 56.
Plate-shaped member 57 is along with the above-below direction reciprocating motion that edge is limited by sliding axle 58 from pumping of pair of rolls 56 transmission.This shank drive division actuating arm 59 be passed to shown in Fig. 4 ~ Fig. 6 that pumps.
As shown in Figure 5, Figure 6, one end (being the end of oblique below in figure) of shank drive division actuating arm 59 is supported on arm axle 61 by axle.The two ends of arm axle 61 are supported by axle in the mode of the side 24d being fixed on arm housing 24.
Shank drive division actuating arm 59 possesses plate-shaped member engagement shaft 62 at central portion.End shown in Fig. 5 of plate-shaped member engagement shaft 62 engages with the bottom of the plate-shaped member 57 shown in Fig. 6.Thus, by the central portion being delivered to shank drive division actuating arm 59 from plate-shaped member 57 that pumps, and, forbid plate-shaped member 57 rotation around sliding axle 58.
The other end (being the end of oblique upper in figure) of shank drive division actuating arm 59 will be delivered to the amplification that pumps of central portion from plate-shaped member 57, and is delivered to shank drive division 34.Between shank drive division 34 and fabric clamp drive division 35, be configured with the fabric clamp drive link 63 shown in Fig. 6.Thus, fabric clamp drive division 35 is driven indirectly by shank drive division actuating arm 59.
Forming also in the sewing arm 6 of this example of action as described above as described above, unloading under the state shown in the Fig. 4 after the cover of the back side shown in Fig. 3 30, remove fixing to upper and lower fixed part 26 from the bridge portion 8 of the gate framework of the embroidery machine 1 shown in Fig. 1.
Thus, as shown in Figure 6, can by under make cam mechanism be fixed on state that the main shaft link collar part 44 of main shaft 9, bearing 41, bearing cage 42 and cam web 45 and spindle cam 53 and sky periphery cam 46 stay main shaft 9 side, remaining part of sewing arm 6 is continued to use the direction that arrow a represents and unload from main shaft 9.
In addition, Fig. 6 show by the sewing head 5 shown in Fig. 1 and Fig. 2 from the state that sewing arm 6 unloads in advance, by the form that sewing arm 6 is separated from main shaft 9, but be separated from main shaft 9 under the state that also can be integrated in sewing head 5 and sewing arm 6.
If the fault beyond the cam part system staying main shaft 9 side, then only change remaining trouble unit in sewing arm 6, again link with main shaft 9 and be fixed on the bridge portion 8 of gate framework, can upkeep operation be completed.
(a) of Fig. 7 is the stereogram that the state that the spindle cam 53 in the parts that stay in the main shaft side of Fig. 5 is separated from main shaft 9 with the modular construction of sky periphery cam 46 is shown, (b) of Fig. 7 is the figure in order to the shape of groove 46d and the back side sky periphery cam 46 from (a) of Fig. 7 that day periphery cam 46 is shown.
In addition, (a), (b) of this Fig. 7 is also the figure of the easness of upkeep operation the cam part system jam stayed in main shaft 9 side is shown.Further, in (a), (b) of Fig. 7, give the label identical with Fig. 3 ~ Fig. 6 to the structure division identical with the structure shown in Fig. 3 ~ Fig. 6 and illustrate.
2 the part 53b being fixed on main shaft 9 of Fig. 4 ~ sky illustrated in fig. 6 periphery cam 46 and spindle cam 53 can become 2 part 53b and 53c and 46b and 46c by Ground Split with 53c and 46b with 46c as Suo Shi (a), (b) of Fig. 7, thus are easily separated from main shaft 9.Thus, when cam part system jam, easily only faulty component can be changed.
Like this, according to the arm mechanism of the sewing arm 6 of the embroidery machine 1 of this example, when 1 sewing is broken down, unload situation that cam carries out changing and this fault in the fault needing that this fault is cam part system and be fault beyond cam part system and under needing arbitrary situation when changing arm unit, can both make not extracting main shaft 9 its with gate framework erect the state that setting unit 7 engages under, overall running is only made to stop just the sewing of fault being separated from main shaft 9, then, the parts of fault can be changed.
After replacing parts, the sewing of recovery easily can not only be made to be combined with main shaft 9, and any change is not caused to the snap-fit relationship of other sewing of not breaking down and main shaft 9, therefore, do not need the operations such as the adjustment of position relationship, can directly start to produce.
Therefore, the not only significantly cripetura replacing construction of trouble unit, and also significantly reduce the burden of operator.Like this, drive the maintainability of the unit (sewing arm) of shank shell part (sewing head) to improve, realize the minimizing of the customer charge needed for safeguarding.
In addition, in the explanation of above-described embodiment, be illustrated for the embroidery machine of Multi-head machine, but also can be applicable to the situation of the embroidery machine of the single head machine with gate framework.Like this, the present invention can use and be easy in the sewing arm mechanism of embroidery machine the maintenance operation of sewing arm.
Claims (3)
1. a sewing arm mechanism for embroidery machine, it carries out moving up and down of pin by the rotary motion of main shaft being converted to moving up and down of shank connecting member, and the feature of the sewing arm mechanism of described embroidery machine is,
The sewing arm mechanism of described embroidery machine possesses arm and fixed part,
Described arm has:
Spindle cam, itself and one end by axle be supported on embroidary machine frame erect setting unit and the main shaft rotated links and is fixed in this main shaft, and to rotate together with this main shaft;
Pair of rolls, they abut with the revolution surface of this spindle cam, and correspondingly move up and down with the rotation of described spindle cam;
Plate-shaped member, it keeps this pair of rolls, moves up and down and is delivered to described plate-shaped member from this pair of rolls;
Sliding guidance parts, it guides the above-below direction moved up and down described in this plate-shaped member;
Shank drives transmission arm, its one end is supported on arm housing by axle, move up and down described in described plate-shaped member and be passed to described shank and drive the central portion of transmission arm, described shank drives transmission arm with described one end for rotating fulcrum amplifies being passed to move up and down described in described central portion and being delivered to the other end; And
Shank drive division, the described other end of itself and this shank linkage part links, and is embedded in sliding axle outward, described shank drive division be detachably sticked in head by the described shank connecting member of shank selected,
Under the state that described pair of rolls engages with the described revolution surface of described spindle cam, described arm is fixed on the bridge portion of described embroidary machine frame by described fixed part in the mode that can load and unload.
2. embroidery horn according to claim 1, is characterized in that,
2 parts being divided into the shape that can be separated from described main shaft to be fixed in the mode that can be separated by screw component and are formed by described spindle cam, when described arm being unloaded from described bridge portion when removing the fixing of described fixed part to described arm,
Unload side by side with this, described spindle cam is removed to be exposed to outside with the engaging of described pair of rolls, under the state that this exposes, remove the fixing of described screw component and described spindle cam is divided into described 2 parts, thus described spindle cam is removed and the fixing of described main shaft and unloading from described main shaft
Or,
Sandwiching described main shaft by divided described 2 parts to the fixed position of described main shaft, and by described screw component by described 2 partial fixings, described spindle cam is fixed in the fixed position to described main shaft thus.
3. embroidery horn according to claim 1, is characterized in that,
Described embroidery horn also has a day periphery cam, and described sky periphery cam and described main shaft link and be fixed in this main shaft, and described sky periphery cam rotates together with this main shaft,
2 parts being divided into the shape that can be separated from described main shaft to be fixed in the mode that can be separated by screw component and are formed by this day periphery cam, when described arm being unloaded from described bridge portion when removing the fixing of described fixed part to described arm,
Unload side by side with this, described sky periphery cam is removed to be exposed to outside with the engaging of roller member, under the state that this exposes, remove the fixing of described screw component and described sky periphery cam is divided into described 2 parts, thus described sky periphery cam is removed and the fixing of described main shaft and unloading from described main shaft, wherein, described roller member links in side and balance drive division, and is sticked in the groove of day periphery cam at opposite side
Or,
Sandwiching described main shaft by divided described 2 parts to the fixed position of described main shaft, and by described screw component by described 2 partial fixings, described sky periphery cam is fixed in the fixed position to described main shaft thus.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-124253 | 2013-06-13 | ||
| JP2013124253A JP2015000081A (en) | 2013-06-13 | 2013-06-13 | Sewing machine arm mechanism of embroidery machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104233663A true CN104233663A (en) | 2014-12-24 |
Family
ID=52222513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410251221.6A Pending CN104233663A (en) | 2013-06-13 | 2014-06-06 | Sewing arm mechanism of embroidery machine |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2015000081A (en) |
| KR (1) | KR20140145552A (en) |
| CN (1) | CN104233663A (en) |
| HK (1) | HK1202902A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908382A (en) * | 2016-05-10 | 2016-08-31 | 安徽省萧县徽星机械制造有限公司 | Cotton quilt cutting and sealing machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326561B (en) * | 2017-08-28 | 2022-12-27 | 江西禾丰电子机械有限公司 | Thread-buckling device of embroidery machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6143073B2 (en) * | 1983-12-02 | 1986-09-25 | Tokai Ind Sewing Machine | |
| JPH0475689A (en) * | 1990-07-19 | 1992-03-10 | Tokai Ind Sewing Mach Co Ltd | Sewing machine of multi-head/multi-needle type |
| JPH07194871A (en) * | 1993-12-28 | 1995-08-01 | Barudan Co Ltd | Sewing machine |
| JP2003205190A (en) * | 2002-01-16 | 2003-07-22 | Barudan Co Ltd | Embroidery sewing machine |
| JP3431800B2 (en) * | 1997-03-28 | 2003-07-28 | ブラザー工業株式会社 | Multi-head sewing machine |
| JP2005334329A (en) * | 2004-05-27 | 2005-12-08 | Tokai Ind Sewing Mach Co Ltd | Sewing machine |
| JP4598170B2 (en) * | 2001-02-23 | 2010-12-15 | 日本電波株式会社 | Embroidery machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5176037A (en) * | 1991-10-28 | 1993-01-05 | Honeywell Inc. | Linear actuator with controllable output force |
-
2013
- 2013-06-13 JP JP2013124253A patent/JP2015000081A/en not_active Ceased
-
2014
- 2014-06-02 KR KR1020140066947A patent/KR20140145552A/en not_active Application Discontinuation
- 2014-06-06 CN CN201410251221.6A patent/CN104233663A/en active Pending
-
2015
- 2015-04-02 HK HK15103366.3A patent/HK1202902A1/en unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6143073B2 (en) * | 1983-12-02 | 1986-09-25 | Tokai Ind Sewing Machine | |
| JPH0475689A (en) * | 1990-07-19 | 1992-03-10 | Tokai Ind Sewing Mach Co Ltd | Sewing machine of multi-head/multi-needle type |
| JPH07194871A (en) * | 1993-12-28 | 1995-08-01 | Barudan Co Ltd | Sewing machine |
| JP3431800B2 (en) * | 1997-03-28 | 2003-07-28 | ブラザー工業株式会社 | Multi-head sewing machine |
| JP4598170B2 (en) * | 2001-02-23 | 2010-12-15 | 日本電波株式会社 | Embroidery machine |
| JP2003205190A (en) * | 2002-01-16 | 2003-07-22 | Barudan Co Ltd | Embroidery sewing machine |
| JP2005334329A (en) * | 2004-05-27 | 2005-12-08 | Tokai Ind Sewing Mach Co Ltd | Sewing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908382A (en) * | 2016-05-10 | 2016-08-31 | 安徽省萧县徽星机械制造有限公司 | Cotton quilt cutting and sealing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20140145552A (en) | 2014-12-23 |
| JP2015000081A (en) | 2015-01-05 |
| HK1202902A1 (en) | 2015-10-09 |
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