CN201031306Y - Embroidery frame head chief axis transmission mechanism - Google Patents
Embroidery frame head chief axis transmission mechanism Download PDFInfo
- Publication number
- CN201031306Y CN201031306Y CNU2007200357118U CN200720035711U CN201031306Y CN 201031306 Y CN201031306 Y CN 201031306Y CN U2007200357118 U CNU2007200357118 U CN U2007200357118U CN 200720035711 U CN200720035711 U CN 200720035711U CN 201031306 Y CN201031306 Y CN 201031306Y
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- cam
- clutch
- slideway
- clutching
- presser feet
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Abstract
The utility model discloses a main-shaft drive device for the ram-head of an embroidering machine, comprising a crank cam drive mechanism, a needle-bar drive mechanism and a clutching mechanism. The clutching mechanism comprises a cam, a poking lever, a return spring, a pneumatic valve and a main shaft drive cam; the clutching cam is connected to the keyslot arranged at the end part of the crank cam shaft through the sliding key arranged on the internal hole by sliding connection, the inner end face of the clutching cam sticks against the crank cam through the return spring, and a clutching chute and a clutching drive groove are arranged on the outer end face, the chute is obliquely arranged, and the differential distance between the start end and the tail end is not less than the depth that the convex is inserted into the clutching drive groove; one end of the poking lever engages with the clutching chute of the clutching cam, and the other end engages with the function end of the pneumatic valve, and a torsion spring nesting the poking shaft is adopted. The utility model adopts a clutching cam and controls the clutching between the crank cam and the main shaft through the clutching chute to achieve a half-working state, reduce loss and abrasion, and increase the service life.
Description
Technical field
The utility model relates to a kind of embroidery machine head drive device, is specifically related to a kind of transmission device that is used on the head spindle.
Background technology
Embroidery machine has the branch of the peaceful embroidery machine head of Disk Tape Strip Embroider Airprocess Nose (also claiming extraordinary head) according to the difference of function, and an embroidery machine can be connected in pairs simultaneously on main shaft and is equipped with Disk Tape Strip Embroider Airprocess Nose and plain embroidery head, is used in combination.Therefore can infinitely prolong main shaft in theory, can infinitely many matched groups load onto and state two kinds of heads, but consider the transmission capacity of motor, can be furnished with 1～20 pair of head on the common in actual use machine.
During operation, Disk Tape Strip Embroider Airprocess Nose and plain embroidery head are alternations, that is to say when plain embroidery head embroidery is done, Disk Tape Strip Embroider Airprocess Nose just quits work, otherwise Disk Tape Strip Embroider Airprocess Nose is embroidered when doing, the plain embroidery head just quits work, yet the shared main shaft of two heads will realize that alternation is necessary on each head arrangement of clutch to be installed, to control both alternations.
At each plain embroidery head and Disk Tape Strip Embroider Airprocess Nose inside the crank main cam of indirect driving shank and the driver two big driver parts of direct driving shank are installed all, this two big driver part is the heart component of head, for realizing not moving of shank, in the prior art, in driver one side that directly drives shank the electromagnet retainer is set, utilize the thimble of retainer front end to stir drive block on the shank, draw-in groove on the drive block is broken away from and being connected of shank, realization stops pin; Yet this pin mode of stopping does not allow crank main cam and the stop motion of shank driver, forms idling conditions, therefore only can be described as the state that partly quits work, cause the waste of the energy, and the continuous operation of two big core components, cause the unnecessary wearing and tearing of two drivers, cause maintenance cost to increase; Simultaneously,, will cause damage, directly have influence on the service life of head, thereby existing head duty can be described as destructive half duty drive block because the electromagnet retainer frequently clashes into the shank drive block.
Summary of the invention
But the utility model purpose provides a kind of energy efficient, reduces wearing and tearing, prolongs the head head drive device in service life.
For achieving the above object, the technical solution adopted in the utility model is: a kind of embroidering machine head spindle gearing, comprise crank cam driving mechanism, needle bar drive device and clutch, it is characterized in that: described clutch is arranged between head spindle and the crank cam driving mechanism driving-chain, comprise clutch cam, dial from lever, back-moving spring, pneumatic pilot valve and the main shaft drives that is fixed on the main shaft protruding;
Described clutch cam is arranged at the keyway that feather key on the endoporus and crank cam shaft extension portion axially offer through at least one and is slidingly connected, the left side of clutch cam is butted on the crank cam shaft shoulder through described back-moving spring, the clutch draw-in groove that its right side is provided with the clutch slideway and is positioned at the slideway inboard, matches with boss on the described main shaft drives piece, described slideway is axial inward turning to be arranged, the range difference between initiating terminal and the end is not less than boss and inserts the interior degree of depth of clutch driver slot;
The described group of fulcrum from lever is sheathed on and is fixed on dialling on axle on the head shell, one end of lever matches with the clutch slideway of clutch cam, the other end matches with the effect end of described pneumatic pilot valve, and described group is arranged with torsion spring on axle, and it is distolateral that its effect end is positioned at nearly clutch cam.
In the technique scheme, described crank cam driving mechanism, needle bar drive device are prior art, crank cam is placed on the main shaft, its pivot overlaps with the main axis rotation center is collinear, the output of crank cam driving mechanism acts on the needle bar drive device, and shank is back and forth moved up and down; Crank cam shaft extension portion offers keyway vertically, feather key cunning on the clutch cam endoporus inserts in the corresponding keyway, and its inner face is butted on the back-moving spring, and the outer end is protruding over against the main shaft drives on the main shaft, when clutch is subjected to groove to enter the protruding boss of main shaft drives, be in engagement state, main shaft just can drive crank cam driving mechanism and needle bar drive device work, otherwise, it then is disengaged position, main shaft rotates, and crank cam driving mechanism and needle bar drive device stall realize stopping the needle-like attitude.
In the technique scheme, the slideway inboard of described clutch cam is provided with the guide slide of spiral, and described clutch is subjected to groove to be positioned at the end of guide slide, makes comparatively steady slyness when main shaft drives is protruding to be engaged with clutch cam, and in conjunction with reliable, and noise is low.
In the technique scheme, described clutch cam is made up of the groove that is subjected on left, center, right three part cams and the right side, left part radial disbalance cam slideway is when clutch state operate as normal, be used to drive presser feet, contact with the presser feet roller, the middle part promotes presser feet when radially the eccentric cam pressure foot lifting slideway of macromutation is used for the standby of clutch disengaged position or mobile tabouret, axial reducing face position, right side is provided with two cylindrical cams, the cylindrical cam of inner hole side is real to be slick and sly helical curve, play the slick and sly combination of guiding when being used for clutch, the curve of the cylindrical cam of outer round side for changing by certain rule, be the clutch slideway of main shaft clutch, the protruding rotary power of driving that is subjected to groove to be used to receive and connects with the main shaft rigidity of right side.
In the technique scheme, the left end of described clutch cam is provided with the eccentric slideway of presser feet, with the tangent pressure foot lifting slideway that extends to the clutch cam cylindrical outside that is provided with of the eccentric slideway of this presser feet, the lofty perch of described pressure foot lifting slideway and clutch are subjected to groove symmetry downwards, the drive end of described presser feet drive unit cooperates with described pressure foot lifting slideway when the clutch cam disengaged position, cooperates with the eccentric slideway of described presser feet when engagement state; Described presser feet drive unit is a prior art, utilizes a clutch cam left side, last two slideways in middle part, the lifting requirement when action when making presser feet obtain operate as normal and standby, and saved needs ad hoc pressure foot lifting power set in the past, simplifies complete machine structure.
Further technical scheme is, the lofty perch place of described pressure foot lifting slideway is provided with a location arc groove, after the roller bearing of the drive end of device for lifting presser foot enters the pressure foot lifting slideway, being clutch cam is in when state, drive end slips in the arc positioning groove, make pressure foot lifting to highest order, and make presser feet and clutch cam keep, locate simultaneously.
In the technique scheme, described group radially is provided with along cam from the nearly clutch cam of lever and dials from roller, dials to be connected in by Roller Shaft from roller and dials on lever, dials to contact with the clutch slideway of clutch cam from the roller cylindrical.
In the technique scheme, described pneumatic pilot valve is an electromagnetic gas valve, and its control end is connected with the embroidery machine controller, and by opening or closing of computer control air valve, after energising, air valve drives its effect end (ejecting rod of cylinder) and acts on and dial on bar.
In the technique scheme, the feather key on the described clutch cam endoporus is flat key or spline.
The utility model operation principle: when the needs clutch enters disengaged position, computer cuts off pneumatic pilot valve power supply, the torsion spring of dialling on lever forces the withdrawal of cylinder action end, dial and rotate counterclockwise from lever, dial and radially enter on the clutch slideway of clutch cam from roller, when main shaft is rotated further, under the acting in conjunction of the clutch slideway of clutch roller and clutch cam, force clutch cam to drive protruding direction slippage to breaking away from, the while pressuring spring, final clutch cam breaks away from the protruding driving of driving, and in presser feet roller bearing and clutch cam the pressure foot lifting slideway, under the acting in conjunction of location arc groove, keep breaking away from reliably the state that promotes presser feet, promptly and the rotation of main shaft just with crank cam mechanism, needle bar drive device is irrelevant, realizes the pin that stops of shank; On the contrary, when needing shank work, the air-supply valve energising, ejecting rod of cylinder stretches out, promote to dial from lever and overcome the rotation of torsion spring mechanical compliance hour hands, dial and to leave the clutch slideway from roller, clutch cam under the effect of back-moving spring, slippage laterally, make the clutch of clutch cam right side be subjected to groove to enter the protruding boss of main shaft drives, thereby realization engages with main shaft, and crank cam mechanism, needle bar drive device are rotated with main shaft, and shank normally moves up and down.
Because the technique scheme utilization, the advantage that the utility model compared with prior art has is:
1, because the utility model is provided with clutch between main shaft and crank cam mechanism, by clutch slideway on the clutch cam end face and group cooperating from lever, and main shaft drives is protruding is subjected to cooperating of groove with clutch cam, that realizes clutch cam and main shaft engages, breaks away from two kinds of duties, when under disengaged position, head two big core component crank cam mechanisms and needle bar drive device stop operating, and promptly can reduce consumption, slow down the wearing and tearing of each parts, increase the service life;
2, because the clutch cam inner face is provided with eccentric slideway of presser feet and pressure foot lifting slideway, the drive end of presser feet drive unit matches with above-mentioned slideway, with clutch cam from, close duty, enter corresponding slideway, driving presser feet works in accordance with regulations, saved needs ad hoc pressure foot lifting power set in the past, has simplified complete machine structure;
3, owing to be provided with clutch in the utility model on the head, connecting more than ten head in the lump during operation, wherein one or several the situations that head breaks down, utilize clutch the fault head can be broken away from, do not have influence on the operate as normal of other heads.
Description of drawings
Accompanying drawing 1 is that the utility model embodiment one is installed on the structural representation (crank cam driving mechanism, needle bar drive device do not draw) on the Disk Tape Strip Embroider Airprocess Nose;
Accompanying drawing 2 is the structural representation of clutch among the utility model embodiment one;
Accompanying drawing 3 is the structural representation of clutch cam among Fig. 2;
Accompanying drawing 4 is the rearview of Fig. 3;
Accompanying drawing 5 is the B-B cut-away view of Fig. 3;
Accompanying drawing 6 is the stereogram I of Fig. 3;
Accompanying drawing 7 is the stereogram II of Fig. 3.
Wherein: 1, head shell; 2, clutch; 3, clutch cam; 4, dial from lever; 5, dial from roller; 6, keyway; 7, pneumatic pilot valve; 8, main shaft drives is protruding; 9, boss; 10, clutch slideway; 11, guide slide; 12, clutch is subjected to groove; 13, feather key; 14, the eccentric slideway of presser feet; 15, pressure foot lifting slideway; 16, location arc groove.
The specific embodiment
Engaging drawings and Examples below is further described the utility model:
Embodiment one: referring to accompanying drawing 1 to shown in the accompanying drawing 7, a kind of embroidering machine head spindle gearing, comprise crank cam driving mechanism, needle bar drive device and clutch 2, described clutch is arranged between head spindle and the crank cam driving mechanism, comprises clutch cam 3, dials from lever 4, back-moving spring, pneumatic pilot valve 7 and is fixed in main shaft drives protruding 8 on the main shaft; 2 flat keys (also can adopt spline) of described clutch cam 3 through being symmetricly set in up and down on the endoporus are slidingly connected with the keyway 6 that crank cam shaft extension portion axially offers, the inner face of clutch cam 3 is butted on the crank cam shaft shoulder through described back-moving spring, its outer face is provided with clutch slideway 10, spirally-guided slideway 11 and clutch are subjected to groove 12, two slideways are respectively clockwise axially inward turning layout, wherein, described guide slide 11 is positioned at the endoporus side of clutch slideway 10, described clutch is subjected to the end of 12 guide slides 11 of groove, this clutch driver slot matches with boss 9 on main shaft drives is protruding, protruding 9 degree of depth of inserting in the clutch driver slot of boss of range difference between the initiating terminal of described clutch slideway 10 and the end and main shaft drives match, described group from lever 4 nearly clutch cams 3, the described group of fulcrum from lever 4 is sheathed on and is fixed on dialling on axle on the head shell 1, nearly clutch cam 3 radially is provided with along cam and dials from roller 5, dial to be connected in by Roller Shaft and dial on lever 4 from roller, dial and contact with the clutch slideway 10 of clutch cam 3 from roller 5 cylindricals, described group is arranged with torsion spring on axle, it is distolateral that its effect end is positioned at nearly clutch cam 3, under disengaged position, the clutch roller is positioned at initiating terminal (the outer rim area maximum just of clutch slideway 10, the compressing back-moving spring, the protruding boss portion of main shaft drives breaks away from clutch and is subjected to groove), under engagement state, dial and backed down by air valve effect end from lever 4, clutch cam 3 ejects and resets, and clutch is subjected to groove 12 to enter the main convexo-convex platform 9 that drives; By the conducting of the pneumatic pilot valve 7 of system controlled by computer whether the control end of described pneumatic pilot valve 7 is connected with the embroidery machine controller; The left end of described clutch cam 3 is provided with the eccentric slideway 14 of presser feet, middle part and the eccentric slideway of this presser feet be tangent to be provided with a pressure foot lifting slideway 15 that extends to the clutch cam 3 outer rims outside, the lofty perch of described pressure foot lifting slideway and clutch driver slot be symmetry downwards, described presser feet drive unit drive end cooperates with described pressure foot lifting slideway 15 when clutch cam 3 disengaged positions, cooperate with the eccentric slideway 14 of described presser feet when engagement state, the lofty perch place of described pressure foot lifting slideway 15 is provided with a location arc groove 16.
As mentioned above, clutch cam 3 is made up of the driver slot on left, center, right three part cams and the right side, left part radial disbalance cam slideway is when clutch state operate as normal, be used to drive presser feet, contact with the presser feet roller, the middle part radially eccentric cam pressure foot lifting slideway 15 of macromutation is used for promoting presser feet when standby of clutch disengaged position or mobile tabouret, the different radial positions in right side are provided with two cylindrical cams, the cylindrical cam of inner side opening side is real to be slick and sly helical curve, play the slick and sly combination of guiding when being used for clutch, the curve of the cylindrical cam of outer circle for changing by certain rule, be the clutch slideway 10 of main shaft clutch, the protruding rotary power of driving that is subjected to groove to be used to receive and connects with the main shaft rigidity of right side.
In the present embodiment, clutch is installed on the crank cam axle of Disk Tape Strip Embroider Airprocess Nose, and this clutch also is applicable to the use on other heads such as plain embroidery head.
Claims (8)
1. embroidering machine head spindle gearing, comprise crank cam driving mechanism, needle bar drive device and clutch [2], it is characterized in that: described clutch [2] is arranged between head spindle and the crank cam driving mechanism driving-chain, comprises clutch cam [3], dials from lever [4], back-moving spring, pneumatic pilot valve [7] and is fixed in main shaft drives protruding [8] on the main shaft;
Described clutch cam [3] is slidingly connected with the keyway [6] that crank cam shaft extension portion axially offers through the feather key [13] that at least one is arranged on the endoporus, the left side of clutch cam [3] is butted on the crank cam shaft shoulder through described back-moving spring, the clutch draw-in groove that its right side is provided with clutch slideway [10] and is positioned at the slideway inboard, matches with boss [9] on the described main shaft drives piece, described slideway is axial inward turning to be arranged, the range difference between initiating terminal and the end is not less than boss [9] and inserts the interior degree of depth of clutch driver slot;
The described group of fulcrum from lever [4] is sheathed on and is fixed on dialling on axle on the head shell [1], one end of lever matches with the clutch slideway [10] of clutch cam [3], the other end matches with the effect end of described pneumatic pilot valve [7], described group is arranged with torsion spring on axle, it is distolateral that its effect end is positioned at nearly clutch cam [3].
2. embroidering machine head spindle gearing according to claim 1 is characterized in that: the slideway inboard of described clutch cam [3] is provided with the guide slide of spiral, and described clutch is subjected to groove [12] to be positioned at the end of spirally-guided slideway [11].
3. embroidering machine head spindle gearing according to claim 1, it is characterized in that: described clutch cam [3] is made up of the groove that is subjected on left, center, right three part cams and the right side, left part radially the eccentric slideway of presser feet [14] when clutch state operate as normal, driving presser feet contacts with the presser feet roller, the middle part radially eccentric cam of macromutation is pressure foot lifting slideway [15], when the clutch disengaged position, promote presser feet, the axial reducing face in right side is provided with two cylindrical cams, nearly inboard cylindrical cam radially is slick and sly helical curve, the cylindrical cam of outer radial is curved, constitute described clutch slideway [10], the protruding boss [9] of the driving that the clutch of right side is connect by groove [12] and main shaft rigidity cooperates.
4. embroidering machine head spindle gearing according to claim 1, it is characterized in that: the left end of described clutch cam [3] is provided with the eccentric slideway [14] of presser feet, with the tangent pressure foot lifting slideway [15] that extends to clutch cam [3] the cylindrical outside that is provided with of the eccentric slideway of this presser feet, the lofty perch of described pressure foot lifting slideway and clutch driver slot be symmetry downwards, the drive end of described presser feet driving mechanism cooperates with described pressure foot lifting slideway [15] when clutch cam [3] disengaged position, cooperates with the eccentric slideway of described presser feet [14] when engagement state.
5. embroidering machine head spindle gearing according to claim 4 is characterized in that: the lofty perch place of described pressure foot lifting slideway [15] is provided with a location arc groove [16].
6. embroidering machine head spindle gearing according to claim 1, it is characterized in that: described group radially is provided with along cam from the nearly clutch cam [3] of lever [4] and dials from roller [5], dial to be connected in by Roller Shaft and dial on lever [4], dial and contact with the clutch slideway [10] of clutch cam [3] from roller [5] cylindrical from roller.
7. embroidering machine head spindle gearing according to claim 1 is characterized in that: described pneumatic pilot valve [7] is an electromagnetic gas valve, and its control end is connected with the embroidery machine controller.
8. embroidering machine head spindle gearing according to claim 1 is characterized in that: the feather key [13] on described clutch cam [3] endoporus is flat key or spline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200357118U CN201031306Y (en) | 2007-03-27 | 2007-03-27 | Embroidery frame head chief axis transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200357118U CN201031306Y (en) | 2007-03-27 | 2007-03-27 | Embroidery frame head chief axis transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201031306Y true CN201031306Y (en) | 2008-03-05 |
Family
ID=39163199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200357118U Expired - Fee Related CN201031306Y (en) | 2007-03-27 | 2007-03-27 | Embroidery frame head chief axis transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201031306Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283426A (en) * | 2016-08-30 | 2017-01-04 | 杰克缝纫机股份有限公司 | A kind of sewing machine drive mechanism and cutting facility |
| CN109371590A (en) * | 2018-12-30 | 2019-02-22 | 浙江越隆缝制设备有限公司 | The double auxiliary axis drive systems of the embroidery machine of head middle opening |
| CN113604992A (en) * | 2021-06-25 | 2021-11-05 | 浙江信胜科技股份有限公司 | Independent carving device driven by embroidery machine main shaft and embroidery machine |
-
2007
- 2007-03-27 CN CNU2007200357118U patent/CN201031306Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283426A (en) * | 2016-08-30 | 2017-01-04 | 杰克缝纫机股份有限公司 | A kind of sewing machine drive mechanism and cutting facility |
| CN106283426B (en) * | 2016-08-30 | 2019-04-12 | 杰克缝纫机股份有限公司 | A kind of sewing machine transmission mechanism and cutting facility |
| CN109371590A (en) * | 2018-12-30 | 2019-02-22 | 浙江越隆缝制设备有限公司 | The double auxiliary axis drive systems of the embroidery machine of head middle opening |
| CN109371590B (en) * | 2018-12-30 | 2024-02-06 | 浙江越隆缝制设备有限公司 | Double auxiliary shaft driving system for embroidery machine with middle opening of machine head |
| CN113604992A (en) * | 2021-06-25 | 2021-11-05 | 浙江信胜科技股份有限公司 | Independent carving device driven by embroidery machine main shaft and embroidery machine |
| CN113604992B (en) * | 2021-06-25 | 2022-09-09 | 浙江信胜科技股份有限公司 | Independent carving hole device driven by embroidery machine main shaft and embroidery machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080305 Termination date: 20100327 |