CN207845966U - A kind of rotation cloth cut device - Google Patents
A kind of rotation cloth cut device Download PDFInfo
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- CN207845966U CN207845966U CN201721851096.8U CN201721851096U CN207845966U CN 207845966 U CN207845966 U CN 207845966U CN 201721851096 U CN201721851096 U CN 201721851096U CN 207845966 U CN207845966 U CN 207845966U
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- rotation
- slitter shaft
- cutter
- driving part
- shaft
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Abstract
The utility model is related to a kind of rotation cloth cut devices, including slitter shaft, driving part and cutter assembly, cutter shaft coupling is arranged on slitter shaft, one end of cutter shaft coupling is rotatably set in slitter shaft, and respectively there are one the locating parts that the limitation cutter shaft coupling being fixed on slitter shaft is moved axially along slitter shaft for cutter shaft coupling upper and lower sides；Driving part includes rotation driving part and linear motion driving part, and rotation driving part drives the slitter shaft to rotate by rotation drive machine, and linear motion driving part drives the cutter shaft coupling to move up and down by straight motion transmission device.The rotation cloth cut device is simpler compared to existing rotary cutting cloth mechanism structure, and cutter motor no longer needs the axis around slitter shaft to rotate, to greatly reduce the demand of installation space, not only manufacture and design rack more convenient, the installation of sleeve mechanism is also simplified, and realizes the mechanical synchronization of cutter and stationary knife while realizing double drive.
Description
Technical field
The utility model is related to sewing device technical fields, more particularly to a kind of rotation cloth cut device.
Background technology
Cloth cut device is normal commonly used mechanism in sewing device, and common cloth cut device one kind is straight line currently on the market
Cloth cut device, another kind are rotation cloth cut device.Straight line cloth cut device cuts cloth because cannot achieve curve, strongly limits Qie Bu
The application range of mechanism.And it rotates cloth cut device and generally comprises three driving parts：Above and below first driving part realization cutter
It moves back and forth, the second driving part realizes that the rotation of the first driving part and its correlated parts, third driving part realize first
With moving up and down in overall for the second driving part and related components, cuts cloth primarily to realizing and do not cut two kinds of working positions of cloth
The conversion set.
The shortcomings that this rotation cloth cut device, is obvious, i.e.,：(1) three driving parts are needed, structure is complex, at
This is also higher；(2) whole since the second driving part will drive the first driving part and its related components 360 degree rotation
A occupied space of mechanism is very big, and the other structures of sewing device need to make a series of change to adapt to its space requirement
It is dynamic.
Also, since stationary knife is synchronous with the rotation height of moving knife, in the prior art, in addition to aforementioned driving part
Setting stationary knife electric rotating machine is also needed to realize that the synchronous rotary of stationary knife and moving knife, the rotation that this scheme does not require nothing more than cutter drive
Dynamic component and stationary knife electric rotating machine want precision-fit, production cost also relatively high.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide the rotations that a kind of structure simplifies
Cloth cut device, it is only necessary to two driving parts, and the 360 degree rotation for not needing driving part can be achieved with rotary cutting cloth function with
And the synchronous rotary of stationary knife and moving knife.
In order to achieve the above objects and other related objects, an embodiment of the utility model provides a kind of rotary cutting cloth
Mechanism, including slitter shaft, driving part and cutter assembly；The slitter shaft includes epimere, stage casing and hypomere, on the slitter shaft
It is arranged with cutter shaft coupling, one end of the cutter shaft coupling is rotatably set in slitter shaft, above and below cutter shaft coupling
Respectively there are one the locating parts that the limitation cutter shaft coupling being fixed on slitter shaft is moved axially along slitter shaft for side；The driving part
Including rotation driving part and linear motion driving part, the rotation driving part by rotation drive machine drive described in cut
Cutter shaft rotates, and the linear motion driving part drives the cutter shaft coupling to move up and down by straight motion transmission device；
The cutter assembly includes the cutter mounted on the slitter shaft top and the stationary knife on stationary knife seat, and the stationary knife seat is solid
Being scheduled on can be on the turntable that the slitter shaft rotates together, and the upper end of the slitter shaft passes through the centre bore of the turntable；It is described
The epimere and hypomere of slitter shaft are respectively by upper circumferential limiting component and lower circumferential limiting component and the turntable and described
Rotation drive machine coordinates, and limits the relative rotation of the slitter shaft and the turntable and the rotation drive machine, and make
Obtaining the slitter shaft can the relatively described turntable and rotation drive machine generation axial movement.
In one embodiment, the rotation driving part includes motor and the retarder that is connect with the motor.
In one embodiment, the rotation driving part includes servo motor or decelerating motor.
In one embodiment, the linear motion driving part includes motor.
In one embodiment, the rotation drive machine includes intermeshing driving gear and driven gear, institute
It states driving gear to connect with the rotation driving part, the lower end of the slitter shaft penetrates the centre bore of the driven gear；Or
Person, the rotation drive machine include synchronous belt drive mechanism, and the driving wheel of the synchronous belt connects with the rotation driving part
It connects, the lower end of the slitter shaft penetrates the centre bore of the driven wheel of the synchronous belt.
In one embodiment, the straight motion transmission device includes toggle, the crank connecting link machine
Structure includes the cutter connecting rod that slitter shaft driving crank, one end and slitter shaft driving crank are rotatably connected, the cutter connecting rod
The other end is rotatably connected with cutter shaft coupling.
In one embodiment, the epimere of the slitter shaft includes at least an axial plane, the upper circumferential limit
Component is limited block, and the limited block is relatively fixed with the turntable, and the side of the limited block is plane, flat with the axial direction
Face contacts.
In one embodiment, the upper circumferential limiting component is feather key, and the epimere of the slitter shaft passes through the cunning
Key is connect with the turntable or the axle sleeve being fixed on the turntable.
In one embodiment, the hypomere of the slitter shaft includes at least an axial plane, the lower circumferential limit
Component is limited block, and the driven wheel of the limited block and the driven gear or the synchronous belt is relatively fixed, the limited block
Side be plane, contacted with the axial plane.
In one embodiment, the lower circumferential limiting component is feather key, and the hypomere of the slitter shaft passes through the cunning
Key is connect with the driven wheel of the driven gear or the synchronous belt.
The rotation cloth cut device that the utility model embodiment provides is simpler compared to existing rotary cutting cloth mechanism structure,
And cutter motor no longer needs the axis around slitter shaft to rotate, and to greatly reduce the demand of installation space, not only makes machine
Frame, which manufactures and designs, to be more convenient, and the installation of sleeve mechanism is also simplified, and is realized cutter while realizing double drive and determined
The mechanical synchronization of knife.
Description of the drawings
Fig. 1 is shown as the dimensional structure diagram of the utility model rotation cloth cut device one embodiment；
Fig. 2 is shown as the stereoscopic schematic diagram of the slitter shaft driving drive mechanism of rotation cloth cut device shown in Fig. 1；
Fig. 3 is shown as the main view cross-sectional view of rotation cloth cut device shown in Fig. 1；
The right side that Fig. 4 is shown as rotation cloth cut device shown in Fig. 1 regards cross-sectional view；
Fig. 5 is shown as the structural schematic diagram that cutter is installed on slitter shaft in rotation cloth cut device shown in Fig. 1；
Fig. 6 is shown as the stereoscopic schematic diagram of slitter shaft linear motion drive mechanism in rotation cloth cut device shown in Fig. 1.
Component label instructions
1 electric rotating machine
2 retarders
3 gear mounting plates
4 cutter motor mounting bracket bottom plates
5 slitter shafts
6 slitter shafts drive crank
7 cutter motor mounting brackets
8 slitter shaft Upper shaft sleeves
9 turntables
10 slitter shaft upper limit position blocks
11 cutter supporter A
12 stationary knife seats
13 stationary knife receptacle plates
14 stationary knife cover for seat plates
15 presser feets
16 presser feet cylinders
17 driving gears
18 driven gears
19 slitter shaft Lower shaft sleeves
20 cutter connecting rod pins
21 cutter connecting rods
22 cutter shaft couplings
23 cutter shaft retaining rings
24 cutter motors
25 stationary knife seat guide rods
26 cutter supporter B
27 cutters
28 slitter shaft lower position blocks
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below
Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that structure, ratio, size etc. depicted in this specification attached drawing, only coordinating disclosed in specification
Content, for those skilled in the art understand and read, be not limited to the enforceable qualifications of the utility model,
Therefore not having technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing this reality
With under novel the effect of can be generated and the purpose that can reach, should all still falling in the revealed technology contents institute of the utility model
In the range of capable of covering.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Term is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness
Or adjustment, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
Fig. 1-6 shows one embodiment of the utility model rotation cloth cut device.As shown, the connection of electric rotating machine 1 subtracts
Fast device 2, retarder 2 are connect with gear mounting plate 3.Driving gear 17 and driven gear 18 are located at respective in gear mounting plate 3
In corresponding mounting hole, intermeshing is waited than transmission.The output shaft of retarder 2 passes through bottom opening and the master of gear mounting plate 3
Moving gear 17 connects, and driving driving gear 17 rotates.Driven gear 18 is rotatably supported at being corresponding to it for gear mounting plate 3
Mounting hole in.
Slitter shaft 5 includes epimere, stage casing and hypomere.At least epimere and hypomere all include at least one axial plane, such as D
The form or epimere of profile shaft section and the radial section of hypomere is square or rectangle, which is used for and slitter shaft
Upper and lower limited block cooperation.The lower end of slitter shaft 5 penetrates the centre bore of driven gear 18, and can be along the centre bore of driven gear 18
Lower linear movement.Slitter shaft lower position block 28 is mounted on the upper surface of driven gear 18, and one side is plane, with slitter shaft 5
The axial plane of hypomere contacts, rotation of the limitation slitter shaft 5 relative to driven gear 18.Cutter motor mounting bracket 7 is fixed on gear
The top of mounting plate 3, slitter shaft Lower shaft sleeve 19 are mounted on the bottom plate 4 of cutter motor mounting bracket 7.Turntable 9 is rotatably mounted
On the top of cutter motor mounting bracket 7, slitter shaft Upper shaft sleeve 8 is mounted on turntable 9.Slitter shaft upper limit position block 10 is mounted on cutter
On axis Upper shaft sleeve 8, one side is plane, is contacted with the axial plane of 5 epimere of slitter shaft, and limitation slitter shaft 5 is with respect on slitter shaft
The rotation of axle sleeve 8, while rotation of the slitter shaft 5 relative to turntable 9 is also limited, therefore when slitter shaft 5 rotates, turntable can be driven
9 and part rotates together thereon.
Cutter motor 24 is mounted on the side of cutter motor holder 7, is sequentially connected by toggle and slitter shaft,
The toggle includes slitter shaft driving crank 6 and cutter connecting rod 21.Specifically：24 output shaft of cutter motor and cutter
Axis driving crank 6 is fixedly connected, and slitter shaft driving crank 6 is rotatably connected with cutter connecting rod 21, cutter connecting rod 21 and slitter shaft
22 one end of connector is rotatably connected, and the other end of cutter shaft coupling 22 is rotatably set on slitter shaft 5.Slitter shaft connects
Respectively there are one the cutter shaft retaining rings 23 being fixed on slitter shaft 5 for first 22 upper and lower sides, for limiting cutter shaft coupling 22 along slitter shaft 5
Axial moves up and down.When cutter motor 24 rotates, can drive slitter shaft 5 move up and down, due to cutter shaft coupling 22 with cut
It is face contact relation between cutter shaft baffle ring 23, without limitation on the rotation of slitter shaft 5.Although passing through crank connecting link machine in the present embodiment
Structure is moved to cutter shaft coupling drive linear, but also be can be replaced any other suitable linear motion in other embodiments and passed
Motivation structure, such as leadscrew-nut mechanism, rack and pinion mechanism, sprocket wheel chain structure etc., or even cutter motor can be driven and be replaced
For cylinder or hydraulic oil cylinder driving.
In the groove of cutter supporter B26, cutter supporter B26 leads to cutter 27 in the sliding slot of cutter supporter A11
The front and back position for crossing adjustment cutter supporter B26, can adjust the front and back position (as shown in Figure 5) of cutter 27.Two stationary knife seats are led
One end of bar 25 is inserted on turntable 9, and the other end is inserted on the stationary knife seat 12 of top.Stationary knife seat 12 coordinates with stationary knife cover for seat plate 14,
It is beneath to there is stationary knife receptacle plate 13 to hold, prevent stationary knife seat 12 from falling down, stationary knife seat 12 is installed in rotation on stationary knife cover for seat plate
Between 14 and stationary knife receptacle plate 13.Stationary knife cover for seat plate 14 is fixed on platen or in rack, and cutter motor mounting bracket 7 is also installed
In rack.Presser feet 15 is connect with presser feet cylinder 16, plays the role of pushing down template and cloth.The above-mentioned peace of cutter and stationary knife seat
Assembling structure is the prior art, therefore is no longer described in further detail.
When turntable 9 rotates, stationary knife seat 12 can follow rotation together, thereby realize on cutter 27 and stationary knife seat 12
Synchronized relation between stationary knife (not shown).
Below by taking above-described embodiment as an example, illustrate the operation principle of rotation cloth cut device provided by the utility model.Work
When, cutter motor 24 controls the up and down motion of slitter shaft 5 by reciprocating rotation.There are two functions for up and down motion tool, first, logical
Crossing makes cutter 27 stretch out or not stretch out stationary knife seat 12, and realization cuts cloth and do not cut the switching of cloth two states, second is that being stretched in cutter 27
After going out stationary knife seat 12, the reciprocating motion to form cutter is rotated by high-frequency reciprocating, to generate the action for cutting cloth.Electric rotating machine 1
By the transmission of retarder and gear pair, the rotation of slitter shaft 5 and stationary knife seat 12 is realized, so as to complete various curve styles
Cut cloth function.
In the above-described embodiments, the transmission between electric rotating machine and slitter shaft is not limited only to the group of retarder and gear pair
Close, for example, can using decelerating motor or servo motor in the case of, be not provided with retarder；The transmission ratio of gear pair can root
Adjusted according to actual needs, but also gear pair can be replaced with synchronous belt drive mechanism, the synchronous belt drive mechanism include belt,
Driving wheel and driven wheel.In addition, above-mentioned slitter shaft upper limit position block and lower position block are played as a kind of circumferential limiting component
It limits slitter shaft and rotates the effect for allowing its opposite the two to generate axial movement simultaneously relative to turntable and driven gear, wherein before
It is not necessarily absolute plane to state two faces that limited block contacts with each other with slitter shaft, as long as disclosure satisfy that mutual cooperation, limit
The requirement being mutually shifted in circumferential direction processed.Other suitable circumferential limiting components, example can also be used in other embodiments
Such as can limited block be substituted by feather key, slitter shaft and above-mentioned driven gear or driven wheel and slitter shaft Upper shaft sleeve are realized by feather key
Connection, reach same purpose.
Above-mentioned technical proposal provided by the utility model passes through the fortune up and down by straight motion transmission device realization slitter shaft
It is dynamic, the rotation of slitter shaft is realized by rotating drive mechanism, two kinds of movements are non-interference, realize circular-rotation and linear motion
It is comprehensive so that rotation cloth cut device only needs two driving parts, and the 360 degree rotation for not needing driving part can be achieved with revolving
Turn to cut cloth function.This rotation cloth cut device is simpler compared to existing rotary cutting cloth mechanism structure, and cutter motor is no longer
It needs the axis around slitter shaft to rotate, to greatly reduce the demand of installation space, not only manufactures and designs rack more convenient,
The installation of sleeve mechanism is also simplified, the mechanical synchronization of cutter and stationary knife is especially realized while realizing double drive.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (10)
1. a kind of rotation cloth cut device, including slitter shaft, driving part and cutter assembly, it is characterised in that：
The slitter shaft includes epimere, stage casing and hypomere, and cutter shaft coupling, the cutter shaft coupling are arranged on the slitter shaft
One end be rotatably set in slitter shaft, respectively there are one the limitations being fixed on slitter shaft to cut for cutter shaft coupling upper and lower sides
The locating part that cutter shaft connector is moved axially along slitter shaft；
The driving part includes rotation driving part and linear motion driving part, and the rotation driving part is passed by rotating
Motivation structure drives the slitter shaft rotation, the linear motion driving part to drive the cutter by straight motion transmission device
Shaft coupling moves up and down；
The cutter assembly includes the cutter mounted on the slitter shaft top and the stationary knife on stationary knife seat, the stationary knife
Seat is fixed on can be on the turntable that the slitter shaft rotates together, and the upper end of the slitter shaft passes through the centre bore of the turntable；
The epimere and hypomere of the slitter shaft pass through upper circumferential limiting component and lower circumferential limiting component and described turn respectively
Disk and rotation drive machine cooperation limit the slitter shaft and turn with the turntable and the opposite of the rotation drive machine
It is dynamic, and make the slitter shaft can the relatively described turntable and rotation drive machine generation axial movement.
2. rotation cloth cut device according to claim 1, it is characterised in that：
The rotation driving part includes motor and the retarder that is connect with the motor.
3. rotation cloth cut device according to claim 1, it is characterised in that：
The rotation driving part includes servo motor or decelerating motor.
4. rotation cloth cut device according to claim 1, it is characterised in that：
The linear motion driving part includes motor.
5. rotation cloth cut device according to claim 1, it is characterised in that：
The rotation drive machine includes intermeshing driving gear and driven gear, and the driving gear drives with the rotation
Dynamic component connects, and the lower end of the slitter shaft penetrates the centre bore of the driven gear；Alternatively, the rotation drive machine includes
Synchronous belt drive mechanism, the driving wheel of the synchronous belt are connect with the rotation driving part, and the lower end of the slitter shaft penetrates
The centre bore of the driven wheel of the synchronous belt.
6. rotation cloth cut device according to claim 1, it is characterised in that：
The straight motion transmission device includes toggle, the toggle include slitter shaft driving crank,
The cutter connecting rod that one end is rotatably connected with slitter shaft driving crank, the other end and the cutter shaft coupling of the cutter connecting rod can turn
Dynamic connection.
7. rotation cloth cut device according to claim 1, it is characterised in that：
The epimere of the slitter shaft includes at least an axial plane, and the upper circumferential limiting component is limited block, the limit
Block is relatively fixed with the turntable, and the side of the limited block is plane, is contacted with the axial plane.
8. rotation cloth cut device according to claim 1, it is characterised in that：
The upper circumferential limiting component is feather key, and the epimere of the slitter shaft by the feather key and the turntable or is fixed on institute
State the axle sleeve connection on turntable.
9. rotation cloth cut device according to claim 5, it is characterised in that：
The hypomere of the slitter shaft includes at least an axial plane, and the lower circumferential limiting component is limited block, the limit
The driven wheel of block and the driven gear or the synchronous belt is relatively fixed, and the side of the limited block is plane, with the axis
To plane contact.
10. rotation cloth cut device according to claim 5, it is characterised in that：
The lower circumferential limiting component is feather key, and the hypomere of the slitter shaft passes through the feather key and the driven gear or described
The driven wheel of synchronous belt connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721851096.8U CN207845966U (en) | 2017-12-26 | 2017-12-26 | A kind of rotation cloth cut device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721851096.8U CN207845966U (en) | 2017-12-26 | 2017-12-26 | A kind of rotation cloth cut device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207845966U true CN207845966U (en) | 2018-09-11 |
Family
ID=63418836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721851096.8U Active CN207845966U (en) | 2017-12-26 | 2017-12-26 | A kind of rotation cloth cut device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207845966U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109957890A (en) * | 2017-12-26 | 2019-07-02 | 拓卡奔马机电科技有限公司 | A kind of rotation cloth cut device |
| CN110978087A (en) * | 2019-12-30 | 2020-04-10 | 赵巧英 | Progressive rotary cutting device for sludge block treatment |
-
2017
- 2017-12-26 CN CN201721851096.8U patent/CN207845966U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109957890A (en) * | 2017-12-26 | 2019-07-02 | 拓卡奔马机电科技有限公司 | A kind of rotation cloth cut device |
| CN110978087A (en) * | 2019-12-30 | 2020-04-10 | 赵巧英 | Progressive rotary cutting device for sludge block treatment |
| CN110978087B (en) * | 2019-12-30 | 2021-11-30 | 邳州市鑫盛创业投资有限公司 | Progressive rotary cutting device for sludge block treatment |
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