CN202187176U - Cloth cutting device of sewing machine - Google Patents
Cloth cutting device of sewing machine Download PDFInfo
- Publication number
- CN202187176U CN202187176U CN2011202317037U CN201120231703U CN202187176U CN 202187176 U CN202187176 U CN 202187176U CN 2011202317037 U CN2011202317037 U CN 2011202317037U CN 201120231703 U CN201120231703 U CN 201120231703U CN 202187176 U CN202187176 U CN 202187176U
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- connecting rod
- knife rack
- cutoff knife
- frame
- rod
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Abstract
The utility model relates to a cloth cutting device of a sewing machine. A cutter frame transmission mechanism, a cutter frame lifting mechanism and a driving mechanism are arranged on a machine frame; a driven synchronous wheel in the driving mechanism is mounted on the frame through a driven synchronous wheel shaft; a fixing pin shaft is mounted on one side of the center of rotation of the driven synchronous wheel shaft; the cutter frame transmission mechanism comprises a main connecting rod and an auxiliary connecting rod; the upper end of the main connecting rod is mounted on the fixing pin shaft; the lower end of the main connecting rod is coaxially connected with the upper end of the auxiliary connecting rod; the lower end of the auxiliary connecting rod is connected with a pin shaft in the middle of a cutter frame; the cutter frame lifting mechanism comprises a rocker arm, a traction connecting rod and a cylinder; the cylinder and one end of the rocker arm are mounted on the frame; the other end of the rocker arm is coaxially connected with one end of the traction connecting rod and the head end of the piston rod of the cylinder; and the other end of the traction connecting rod is coaxially connected with the lower end of the main connecting rod. The cloth cutting device of the sewing machine has a simple structure, is convenient to assemble and avoids the cutter back-off phenomenon caused during cutting thick cloth.
Description
Technical field
The utility model relates to a kind of cloth-cutting apparatus of transporting the mould machine, and the frame of this cloth-cutting apparatus is provided with cutoff knife rack transmission mechanism, cutoff knife rack elevating mechanism, driving mechanism; The cloth-cutting apparatus of the utility model is simple in structure, easy to assembly, overcomes to occur the cutter relieving phenomenon when cutting thick cloth.
Background technology
Sewing is the master operation of clothes processing, in this operation, to accomplish such as piece together, close, overseam, hem with invisible stitches the limit, set in sleeve, lock, nail, filler rod, stitch the sole to the upper slide fastener, decoration ... Various operation.Along with fabric variety is more and more, clothes fashion changes the continual renovation of more and more faster and clothes kind, has higher requirement to making in recent years, and therefore various manufacturings sewing device superior, superior performance is constantly released.Chinese patent 200920249848.2 discloses a kind of cloth-cutting apparatus of round end buttonhole sewing Sewing machines, comprises hammer mechanism, lower cutter mechanism, waste recovery device, in the last hammer mechanism; Last hammer and last hammer mount pad fixed installation; Last hammer mount pad and the said hammer motion guide pillar of going up fixedly mount, and swing arm front end and last hammer motion guide pillar are hinged, and the swing arm front portion of last hammer mechanism has a swing arm to press down square groove; This presses down has the side's of pressing down slide block in the square groove; Slide block center, the side of pressing down has a swing arm to press down rotating shaft, and there is a swing arm fulcrum square groove swing arm rear end, and fulcrum side's slide block is arranged in this fulcrum square groove; There is a swing arm fulcrum shaft at slide block center, fulcrum side, and this swing arm fulcrum shaft and head of sewing machine rotate to be installed; Last hammer mechanism also comprises a swing arm driving crank; There is a swing arm driving crank fulcrum shaft this swing arm driving crank front portion; Swing arm driving crank fulcrum shaft is installed on the head of sewing machine; Swing arm driving crank rear end and cylinder piston rod are hinged, and swing arm presses down the front end that rotating shaft is rotatably installed in the swing arm driving crank.This cloth-cutting apparatus needs the mechanical energy of labor because vertical incision cloth resistance is big, when cutting thick cloth, occurs the cutter relieving phenomenon easily, makes the side cut of cloth inhomogeneous, influences attractive in appearance.So, a kind of cloth-cutting apparatus of transporting the mould machine need be provided.
Summary of the invention
The purpose of the utility model is to provide a kind of cloth-cutting apparatus of transporting the mould machine, and the frame of this cloth-cutting apparatus is provided with cutoff knife rack transmission mechanism, cutoff knife rack elevating mechanism, driving mechanism; The cloth-cutting apparatus of the utility model is simple in structure, easy to assembly, overcomes to occur the cutter relieving phenomenon when cutting thick cloth.
The purpose of the utility model is realized by following technical proposals: a kind of cloth-cutting apparatus of transporting the mould machine; Comprise frame and cutoff knife rack; Said frame is provided with cutoff knife rack transmission mechanism, cutoff knife rack elevating mechanism, driving mechanism; Said driving mechanism comprises active synchronization wheel, driven synchronizing wheel, synchronous cog belt, drive motors, and said driven synchronizing wheel is installed through driven synchronous wheel shaft and said frame; The end face of said driven synchronous wheel shaft is provided with a trundle axis hole, distance of the center-biased of said trundle axis hole and said driven synchronous wheel shaft; Said cutoff knife rack transmission mechanism comprises master connecting-rod, slave connecting rod; Said master connecting-rod upper end is installed on the end face of said driven synchronous wheel shaft through said trundle axis hole, fixed pin shaft; Said master connecting-rod lower end is connected with the bearing pin at said cutoff knife rack middle part with said slave connecting rod coaxial connection of upper end, said slave connecting rod lower end; Said cutoff knife rack afterbody and cutoff knife rack mount pad are hinged, said cutoff knife rack head fixed cutting tool; Said cutoff knife rack elevating mechanism comprises rocking bar, tractive connecting rod, cylinder; Said rocking bar one end is through alignment pin and said frame are installed down; The coaxial connection of head end of the said rocking bar other end and the piston rod of said tractive connecting rod one end, said cylinder, the said tractive connecting rod other end and coaxial connection of said master connecting-rod lower end; Said cylinder is installed through last alignment pin and said frame.
The utility model compared with prior art has following advantage:
1. the motion principle of the utility model utilization chopper designs cutoff knife rack and cutoff knife rack transmission mechanism, and it is laborsaving to realize cutting cloth, and it is even, attractive in appearance to cut edge; Overcome and occur the cutter relieving phenomenon when cutting thick cloth.
2. the utility model uses less part and simple transmission mechanism, reduces mechanical loss of energy, improves mechanical efficiency, assemble also very convenient, not high to assembler's specification requirement.
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the fundamental diagram of the cutoff knife rack transmission mechanism in the utility model;
Fig. 3 is the fundamental diagram of the cutoff knife rack elevating mechanism in the utility model.
The specific embodiment
Embodiment:
Referring to Fig. 1 (Fig. 1 shows the exploded view of cloth-cutting apparatus), the cloth-cutting apparatus of the fortune mould machine of the utility model comprises frame 1 and cutoff knife rack 2, and said frame is fixed on the rear side of fortune mould machine head through screw; Said frame is provided with cutoff knife rack transmission mechanism, cutoff knife rack elevating mechanism, driving mechanism; Said driving mechanism comprises active synchronization wheel 3, driven synchronizing wheel 4, synchronous cog belt 5, drive motors 6, and said driven synchronizing wheel is installed with said frame through driven synchronous wheel shaft 7; The end face of said driven synchronous wheel shaft is provided with a trundle axis hole 8, distance of the center-biased of said trundle axis hole and said driven synchronous wheel shaft; Said cutoff knife rack transmission mechanism comprises master connecting-rod 9, slave connecting rod 10; Said master connecting-rod upper end is installed on the end face of said driven synchronous wheel shaft through said trundle axis hole, fixed pin shaft 11; Said master connecting-rod lower end is connected with the bearing pin at said cutoff knife rack middle part with said slave connecting rod coaxial connection of upper end, said slave connecting rod lower end; Said cutoff knife rack afterbody and cutoff knife rack mount pad 12 are hinged, said cutoff knife rack head fixed cutting tool 13; Said cutoff knife rack elevating mechanism comprises rocking bar 14, tractive connecting rod 15, cylinder 16; Said rocking bar one end is through alignment pin and said frame are installed down; The coaxial connection of head end of the said rocking bar other end and the piston rod of said tractive connecting rod one end, said cylinder, the said tractive connecting rod other end and coaxial connection of said master connecting-rod lower end; Said cylinder is installed through last alignment pin and said frame.
Referring to Fig. 1; In the present embodiment, said driving mechanism comprises active synchronization wheel 3, driven synchronizing wheel 4, synchronous cog belt 5, drive motors 6, and said active synchronization wheel is a gear; Said driven synchronizing wheel is a gear; Said synchronous cog belt is installed on active synchronization wheel and the driven synchronizing wheel, and drive motors is installed on the said frame through bolt, and the driven synchronous wheel shaft of said drive motors is connected with active synchronization wheel power.
Referring to Fig. 1, Fig. 2, in the present embodiment, said driven synchronous wheel shaft 7 rotates through bearing and said frame to be installed, and said driven synchronizing wheel is sleeved on the said driven synchronous wheel shaft, and through radially pinning and driven synchronous wheel shaft fixed installation.The end face of said driven synchronous wheel shaft is provided with a trundle axis hole 8, distance of the center-biased of said trundle axis hole and said driven synchronous wheel shaft, and promptly said trundle axis hole is arranged on said driven synchronous wheel shaft center of rotation one side.Fixing said fixed pin shaft 11 in the said trundle axis hole.
Referring to Fig. 1, Fig. 2, in the present embodiment, said cutoff knife rack transmission mechanism comprises master connecting-rod 9, slave connecting rod 10, and said master connecting-rod upper end is provided with Upper shaft sleeve, and the lower end is provided with Lower shaft sleeve; The axle sleeve of said master connecting-rod upper end rotates through the fixed pin shaft on bearing and said driven synchronous wheel shaft 7 end faces 11 and installs, and said driven synchronous wheel shaft, fixed pin shaft, master connecting-rod are equivalent to a toggle.Said slave connecting rod integral body is curved, and coaxial connection of axle sleeve of the axle sleeve of said master connecting-rod lower end and said slave connecting rod upper end, the axle sleeve of said slave connecting rod lower end is sleeved on the bearing pin at said cutoff knife rack middle part; Said cutoff knife rack mount pad is fixedly mounted on the work top of fortune mould machine through screw, and said cutoff knife rack afterbody and cutoff knife rack mount pad 12 are hinged, said cutoff knife rack head fixed cutting tool 13.
Referring to Fig. 1, Fig. 3; In the present embodiment; Said cutoff knife rack elevating mechanism comprises rocking bar 14, tractive connecting rod 15, cylinder 16, and alignment pin is gone up in said upper rack fixed installation, and the frame lower fixed installation is alignment pin down; Said two alignment pin one ends are fixedly connected with said frame screw thread, and the following alignment pin other end is connected with the axle sleeve of said rocking bar one end; Last alignment pin is connected with the dowel hole on said cylinder block top.The coaxial connection of circular hole of the axle sleeve of the said rocking bar other end and the head end of the piston rod of the axle sleeve of said tractive connecting rod one end, said cylinder, the coaxial connection of Lower shaft sleeve of the axle sleeve of the said tractive connecting rod other end and said master connecting-rod lower end.The action of said cylinder is controlled by control circuit.Cylinder in the said cutoff knife rack elevating mechanism also can change hydraulic cylinder into.
Referring to Fig. 2; In the present embodiment; The driven synchronous wheel shaft 7 of said drive mechanism rotates, be fixed on fixed pin shaft 11 on the driven synchronizing wheel axial end with driven synchronizing wheel axle along circular motion, drive master connecting-rod 9 swings; Driving cutoff knife rack through slave connecting rod 10 is that the axle center swings up and down with the cutoff knife rack mount pad, and cutting knife cuts cloth.The motion principle design cutoff knife rack and the cutoff knife rack transmission mechanism of the utility model utilization chopper, it is laborsaving to realize cutting cloth, and it is even, attractive in appearance to cut edge; Overcome and occur the cutter relieving phenomenon when cutting thick cloth.
Referring to Fig. 3; In the present embodiment, the piston rod of control circuit control cylinder 16 is withdrawn in the cylinder body, and the other end of the piston rod pulling rocking bar 14 of cylinder moves upward; Rocking bar pulling tractive connecting rod 15, master connecting-rod, slave connecting rod; The head of cutoff knife rack is lifted by high, and cutting knife can only move above touching less than cloth, suspends to cut cloth.In the time of need continuing to cut cloth, stretch out cylinder body by the piston rod of control circuit control cylinder and reset.
Disclosed content among the above embodiment only is used to explain the optimal technical scheme of the utility model, and the protection domain of the utility model is not limited thereto; It will be understood by those of skill in the art that on the basis of the technical scheme of the utility model, and do not break away from the utility model technical scheme essence simple modification or be equal to replacement, all should belong to the protection domain of the utility model.
Claims (1)
1. cloth-cutting apparatus of transporting the mould machine; Comprise frame (1) and cutoff knife rack (2); It is characterized in that: said frame is provided with cutoff knife rack transmission mechanism, cutoff knife rack elevating mechanism, driving mechanism; Said driving mechanism comprises active synchronization wheel (3), driven synchronizing wheel (4), synchronous cog belt (5), drive motors (6), and said driven synchronizing wheel is installed through driven synchronous wheel shaft (7) and said frame; The end face of said driven synchronous wheel shaft is provided with a trundle axis hole (8), distance of the center-biased of said trundle axis hole and said driven synchronous wheel shaft; Said cutoff knife rack transmission mechanism comprises master connecting-rod (9), slave connecting rod (10); Said master connecting-rod upper end is installed on the end face of said driven synchronous wheel shaft through said trundle axis hole, fixed pin shaft (11); Said master connecting-rod lower end is connected with the bearing pin at said cutoff knife rack middle part with said slave connecting rod coaxial connection of upper end, said slave connecting rod lower end; Said cutoff knife rack afterbody and cutoff knife rack mount pad (12) are hinged, said cutoff knife rack head fixed cutting tool (13); Said cutoff knife rack elevating mechanism comprises rocking bar (14), tractive connecting rod (15), cylinder (16); Said rocking bar one end is through alignment pin and said frame are installed down; The coaxial connection of head end of the said rocking bar other end and the piston rod of said tractive connecting rod one end, said cylinder, the said tractive connecting rod other end and coaxial connection of said master connecting-rod lower end; Said cylinder is installed through last alignment pin and said frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202317037U CN202187176U (en) | 2011-07-04 | 2011-07-04 | Cloth cutting device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202317037U CN202187176U (en) | 2011-07-04 | 2011-07-04 | Cloth cutting device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202187176U true CN202187176U (en) | 2012-04-11 |
Family
ID=45918637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202317037U Expired - Fee Related CN202187176U (en) | 2011-07-04 | 2011-07-04 | Cloth cutting device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202187176U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225184A (en) * | 2013-04-28 | 2013-07-31 | 常熟市百联自动机械有限公司 | Die conveying machine |
| CN103541157A (en) * | 2012-07-09 | 2014-01-29 | 符胜雄 | Mould cutting device for computer pattern sewing machine |
| CN107558018A (en) * | 2017-09-22 | 2018-01-09 | 宁波舒普机电股份有限公司 | A kind of knife drive mechanism of sewing machine |
| CN109989190A (en) * | 2019-04-23 | 2019-07-09 | 温州优赛缝纫设备科技有限公司 | A kind of cutter frame transmission mechanism of die conveying machine |
-
2011
- 2011-07-04 CN CN2011202317037U patent/CN202187176U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541157A (en) * | 2012-07-09 | 2014-01-29 | 符胜雄 | Mould cutting device for computer pattern sewing machine |
| CN103225184A (en) * | 2013-04-28 | 2013-07-31 | 常熟市百联自动机械有限公司 | Die conveying machine |
| CN107558018A (en) * | 2017-09-22 | 2018-01-09 | 宁波舒普机电股份有限公司 | A kind of knife drive mechanism of sewing machine |
| CN109989190A (en) * | 2019-04-23 | 2019-07-09 | 温州优赛缝纫设备科技有限公司 | A kind of cutter frame transmission mechanism of die conveying machine |
| CN109989190B (en) * | 2019-04-23 | 2024-06-07 | 温州优赛缝纫设备科技有限公司 | Cutter frame transmission mechanism of die conveying 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: 20120411 Termination date: 20130704 |