CN206204583U - A kind of industrial sewing machine tangent mechanism - Google Patents
A kind of industrial sewing machine tangent mechanism Download PDFInfo
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- CN206204583U CN206204583U CN201621144737.1U CN201621144737U CN206204583U CN 206204583 U CN206204583 U CN 206204583U CN 201621144737 U CN201621144737 U CN 201621144737U CN 206204583 U CN206204583 U CN 206204583U
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- knife rest
- knife
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- saddle
- cutting knife
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Abstract
The utility model is related to sewing machine technique field, and in particular to a kind of industrial sewing machine tangent mechanism.Its simple structure, is rotated using two moving knife, cost reduction, and stub foreshortens to 3 4mm after trimming, complies fully with the requirement of clothing factory, saves the labour for pruning part, has saved cost, improves production efficiency.The technical solution adopted in the utility model includes main cut part, secondary cut part, main cut part, secondary cut part are sheathed on knife rest saddle, the axial motion of main cut part, secondary cut part is limited by saddle packing ring, one end of described crank is fixed together with drive shaft, and crank is connected with connecting plate long and short chain fishplate bar respectively.
Description
Technical field
The present invention relates to sewing machine technique field, and in particular to a kind of industrial sewing machine tangent mechanism.
Background technology
Sewing machine generally requires two knife engagements in trimming and completes trimming, and existing structure is main by a moving knife and one
Individual to be fixed on stationary knife composition motionless on base plate, apart from needle plate hole 2-4mm, during trimming, driver part drives moving knife to fixed to stationary knife
Knife direction rotates, more than needle plate hole 2-4mm in stationary knife engage, complete trimming action, due to stationary knife apart from needle plate hole farther out,
The stub stayed in after trimming on sewing is general in 5-8mm, Dao 10mm most long, it is desirable to which strict clothing factory is needed to line
Head is pruned, and could meet requirement, increased sewing operation, while the working time of operative employee is also increased, operative employee's phase
Reduced with the number of packages completed in the time, and have impact on yield.
The content of the invention
It is an object of the present invention to provide a kind of industrial sewing machine tangent mechanism, its simple structure is rotated using two moving knife, into
Stub foreshortens to 3-4mm after this reduction, and trimming, complies fully with the requirement of clothing factory, saves and prunes part
Labour, has saved cost, improves production efficiency.
To solve the problems, such as prior art, the technical scheme is that：A kind of industrial sewing machine tangent mechanism, its
It is characterised by：Including driver part, main cut part, secondary cut part, knife rest fixed component, separated time part, connecting plate long and
Short connecting plate；
Described driver part includes drive shaft and crank, and one end of described crank is fixed together with drive shaft；
Described main cut part includes main carriage and main cutting knife, and described main carriage is cirque structure, in annulus
Outer rim is respectively arranged with main cutting knife installation lug and connecting plate long is hinged lug, and main cutting knife is installed lug and is vertically arranged with annulus,
Angle between two lugs is 150 °, and described main cutting knife to be installed and be provided with two screws one on lug, and connecting plate long is hinged
Circular hole one is provided with lug, main cutting knife is connected and is arranged in the screw one that the main cutting knife of main carriage is installed on lug；
Described secondary cut part includes time knife rest and time cutting knife, and described secondary knife rest is cirque structure, on annulus
Concentric boss is provided with, is respectively arranged on the base with that time cutting knife installs lug and short connecting plate is hinged lug in annulus, it is secondary
Cutting knife is installed lug and is vertically arranged with annulus, and the angle between two lugs is 153 °, and described secondary cutting knife is installed and set on lug
Two screws two are equipped with, described secondary cutting knife is L-type structure, and point of a knife is provided with the cutting edge face for inclining 20 °, and upper and lower is two small
Plane, upper plane and lower plane spacing 0.6mm, knife afterbody is arranged side by side installs two corresponding circular holes of lug with secondary cutting knife
Three, described short connecting plate is hinged on lug and is provided with circular hole two, and secondary cutting knife is connected and is arranged at secondary cutting knife installation of time knife rest and takes
In the screw two of son；
Described knife rest fixed component includes knife rest saddle and knife rest packing ring, and described knife rest saddle is round boss knot
Structure, sets three screws three divided equally on the end face of the boss of knife rest saddle, two symmetrical ears are provided with round platform base,
The middle setting of ear has circular hole four, and knife rest saddle is fixed on baseplate of sewing machine, and knife rest gasket sleeve is convex located at knife rest saddle
On platform；
Described separated time part includes separated time piece and fixed seat, and separated time piece is fixed in fixed seat, and fixed seat is fixed on seam
Thread machine bottom board lower section；
Time knife rest and main carriage are disposed between described knife rest saddle and saddle packing ring；
One end of described connecting plate long is connected with crank, and the other end is hinged on lug with the connecting plate long on main carriage
Circular hole one is connected, and one end of described short connecting plate is connected with crank, and the other end is hinged lug with the short connecting plate on secondary knife rest
On circular hole two connect.
Secondary knife rest is enclosed within the boss of knife rest saddle, main carriage inner hole sleeve on the outer circular bosses of secondary knife rest, knife rest packing ring
It is fixed on the front end face of knife rest saddle and limits the motion of main carriage and time knife rest axial direction, secondary knife rest is on the boss of knife rest saddle
Rotate, main carriage is rotated on the boss of secondary knife rest.
Compared with prior art, advantages of the present invention is as follows：
1st, of the invention its uses double acting knife structure, and main cutting knife and time cutting knife are reached to needle plate hole central rotation during trimming
It is at a fully engaged during the center of needle plate hole, trimming is completed, stub foreshortens to 3-4mm, can fully meet the requirement of garment production, nothing
Unnecessary the end of a thread need to be pruned, labour is saved, it is cost-effective, improve production efficiency；
2nd, the present invention realizes two rotations of moving knife, low cost of manufacture, simple structure on original driver part.
Brief description of the drawings
Fig. 1 is Split type structure schematic diagram of the invention；
Fig. 2 is assembling schematic diagram of the invention；
Fig. 3 is operating diagram of the invention；
Fig. 4 is operating diagram of the invention；
Fig. 5 is operating diagram of the invention；
Fig. 6 is intermediate slide saddle structure schematic diagram of the present invention；
Fig. 7 is the structural representation of main carriage in the present invention；
Fig. 8 is the structural representation of time knife rest in the present invention；
Fig. 9 is the structural representation of time cutting knife in the present invention；
Description of reference numerals：1- needle plates, the main cutting knifes of 2-, 3- knife rest saddles, 4- knife rest, 5- cranks, the short connecting plates of 6-,
7- saddle packing rings, 8- connecting plates long, 9- main carriages, 10- fixed seats, 11- separated time pieces, 12- cutting knife, 13- drive shafts, 14- axles
Position screw, 15- nuts, 16- circular holes four, 17- ear platforms, 18- knife rest saddle end faces, 19- screws, 20- boss, 21- screws one,
The main cutting knifes of 22- install lug, and 23- connecting plates long are hinged lug, 24- circular holes one, 25- screws two, 26- cutting knife installation lug,
27- circular bosses, the short connecting plates of 28- are hinged lug, 29- circular holes two, 30- circular holes three, the upper planes of 31-, 32- lower planes, 33- cutting edges
Face.
Specific embodiment
The design is described in detail below in conjunction with the accompanying drawings：
Referring to Fig. 1-Fig. 9：A kind of industrial sewing machine tangent mechanism, including driver part, main cut part, secondary cutting knife portion
Part, knife rest fixed component, separated time part, connecting plate long 8 and short connecting plate 6；
Described driver part includes drive shaft 13 and crank 5, and one end of described crank 5 is connected in one with drive shaft 13
Rise；
Referring to Fig. 7：Described main cut part includes main carriage 9 and main cutting knife 2, and described main carriage 9 is annular knot
Structure, is respectively arranged with main cutting knife installation lug 22 and connecting plate long is hinged lug 23 in the outer rim of annulus, and main cutting knife installs lug
22 are vertically arranged with annulus, and the angle between two lugs is 150 °, and described main cutting knife to be installed and be provided with two on lug 22
Screw 1, connecting plate long is hinged and circular hole 1 is provided with lug 23, and main cutting knife 2 is connected and is arranged at the main cutting knife of main carriage 9
Install in the screw 1 on lug 22；
Referring to Fig. 8 and Fig. 9：Described secondary cut part includes time knife rest 4 and time cutting knife 12, and described secondary knife rest 4 is circle
Loop configuration, is provided with concentric boss 27 on annulus, and lug 26 is installed in time cutting knife that is respectively arranged on the base with of annulus
Lug 28 is hinged with short connecting plate, secondary cutting knife is installed lug 26 and is vertically arranged with annulus, the angle between two lugs is 153 °,
Described secondary cutting knife is installed and two screws 2 25 is provided with lug 26, and described secondary cutting knife 12 is L-type structure, and point of a knife is provided with
20 ° of cutting edge face 33 is inclined, upper and lower is two facets, upper plane 31 and the spacing 0.6mm of lower plane 32, and knife afterbody sets side by side
It is equipped with and two corresponding circular holes 3 30 of lug is installed with secondary cutting knife, described short connecting plate is hinged on lug 28 and is provided with circular hole
2 29, secondary cutting knife 12 is connected and is arranged in the screw 2 25 of the secondary cutting knife of time knife rest 4 installation lug；
Referring to Fig. 6：Described knife rest fixed component includes knife rest saddle 3 and knife rest packing ring 7, and described knife rest saddle 3 is
Round boss structure, sets three screws 3 19 divided equally on the end face 18 of the boss 20 of knife rest saddle 3, set on round platform base
The middle setting for having two symmetrical ears 17, ear has circular hole 4 16, and knife rest saddle 3 is fixed on baseplate of sewing machine, knife rest
Packing ring 7 is sheathed on the boss of knife rest saddle 3；
Described separated time part includes separated time piece 11 and fixed seat 10, and separated time piece 11 is fixed in fixed seat 10, fixed seat
10 are fixed on baseplate of sewing machine lower section；
Time knife rest 4 and main carriage 9 are disposed between described knife rest saddle 3 and saddle packing ring 7；Secondary knife rest 4 is enclosed within
On the boss 20 of knife rest saddle 3, on the circular bosses 27 of secondary knife rest 4, knife rest packing ring 7 is fixed on knife rest saddle to the inner hole sleeve of main carriage 9
The motion of main carriage 9 and time axial direction of knife rest 4 is limited on the front end face 18 of seat 3, secondary knife rest 4 turns on the boss 20 of knife rest saddle 3
Dynamic, main carriage 9 is rotated on the boss 27 of secondary knife rest 4.
One end of described connecting plate long is connected with crank 5, and the other end is hinged lug 23 with the connecting plate long on main carriage 9
On circular hole 1 be hinged by axial screw 14, one end of described short connecting plate is connected with crank 5, the other end and secondary knife rest
The circular hole 2 29 that short connecting plate on 4 is hinged on lug 28 is hinged by axial screw 14.
Described driver part drives main cut part and time cut part to be revolved around the boss 20 of knife rest saddle 3 when rotating
Turn, main cutting knife 2 and time cutting knife 12 rotate round about below needle plate 1, main cutting knife 2 and secondary cutting knife when below the hole of needle plate 1
12 engagements, the bottom line separate already of separated time piece 11 and upper thread are cut off.
The present invention uses process：
Drive shaft drives crank to rotate during trimming, and crank pulls two connecting plates long and short connecting plate, so as to drive connection
The main carriage that plate two ends are hinged is moved with secondary knife rest, and fixed main cutting knife and time cutting knife are in needle plate hole on main carriage and time knife rest
The heart is moved, when rotating shuttle hooks the wire loop of bottom line, upper thread and formation for coming and reaches needle plate lower section, be blocked in the separated time piece in front every
Open, bottom line and upper thread are assigned in the appearance wire casing for importing main cutting knife surface on one side, main cutting knife continues to move with secondary cutting knife, secondary to cut
Knife wipes the upper surface of main cutting knife toward moving together, and when needle plate hole center is reached, bottom line and upper thread are just brought to master
In the shearing perforation of cutting knife, secondary cutting knife is now engaged with main cutting knife and reaches maximum rating, and secondary cutting knife cutting edge streaks the shearing of main cutting knife
Cut off along by bottom line and upper thread on hole, complete trimming, trimming rear crank be turned back in the presence of reduction torsion spring before position,
Main cutting knife and time cutting knife is set to reset.
Claims (2)
1. a kind of industrial sewing machine tangent mechanism, it is characterised in that：Including driver part, main cut part, secondary cut part, knife
Frame fixed component, separated time part, connecting plate long (8) and short connecting plate（6）；
Described driver part includes drive shaft（13）And crank（5）, one end of described crank (5) is connected with drive shaft (13)
Together；
Described main cut part includes main carriage (9) and main cutting knife (2), and described main carriage (9) is cirque structure, in circle
The outer rim of ring is respectively arranged with main cutting knife installation lug (22) and connecting plate long is hinged lug (23), and main cutting knife installs lug (22)
It is vertically arranged with annulus, the angle between two lugs is 150 °, described main cutting knife to be installed and be provided with two on lug (22)
Screw one (21), connecting plate long is hinged and circular hole one (24) is provided with lug (23), and main cutting knife (2) is connected and is arranged at main carriage
(9) main cutting knife installs the screw one on lug (22)（21）It is interior；
Described secondary cut part includes time knife rest (4) and time cutting knife (12), and described secondary knife rest (4) is cirque structure,
Concentric boss (27) is provided with annulus, lug (26) and short connection are installed in time cutting knife that is respectively arranged on the base with of annulus
Plate is hinged lug (28), and secondary cutting knife is installed lug (26) and is vertically arranged with annulus, and the angle between two lugs is 153 °, described
Secondary cutting knife install lug（26）On be provided with two screws two (25), described secondary cutting knife (12) is L-type structure, and point of a knife is set
Have and incline 20 ° of cutting edge face (33), upper and lower is two facets, upper plane (31) and lower plane (32) spacing 0.6mm, knife tail
Portion is arranged side by side installs corresponding two circular holes three (30) of lug with secondary cutting knife, and described short connecting plate is hinged lug (28)
On be provided with circular hole two (29), secondary cutting knife (12) is connected the screw two of secondary cutting knife installation lug for being arranged at time knife rest (4)（25）
It is interior；
Described knife rest fixed component includes knife rest saddle (3) and knife rest packing ring (7), and described knife rest saddle (3) is circular convex
Platform structure, sets three screws three (19) divided equally on the end face (18) of the boss (20) of knife rest saddle (3), set on round platform base
Two symmetrical ears (17) are equipped with, the middle setting of ear has circular hole four (16), and knife rest saddle (3) is fixed on baseplate of sewing machine
On, knife rest packing ring (7) is sheathed on the boss of knife rest saddle (3)；
Described separated time part includes separated time piece (11) and fixed seat (10), and separated time piece (11) is fixed in fixed seat (10), Gu
Baseplate of sewing machine lower section is fixed in reservation (10)；
Time knife rest is disposed between described knife rest saddle (3) and saddle packing ring (7)（4）And main carriage（9）；
One end of described connecting plate long and crank（5）Connection, the other end and main carriage（9）On connecting plate long be hinged lug
（23）On circular hole one（24）Connection, one end of described short connecting plate and crank（5）Connection, the other end and secondary knife rest（4）On
Short connecting plate be hinged lug（28）On circular hole two（29）Connection.
2. a kind of industrial sewing machine tangent mechanism according to claim 1, it is characterised in that：Secondary knife rest (4) is enclosed within knife rest
On the boss (20) of saddle (3), main carriage (9) inner hole sleeve is on the outer circular bosses (27) of secondary knife rest (4), and knife rest packing ring (7) is solid
It is scheduled on the front end face of knife rest saddle (3) (18) and limits the motion of main carriage (9) and time knife rest (4) axial direction, secondary knife rest (4) is in knife
Rotated on the boss (20) of frame saddle (3), main carriage (9) is rotated on the boss (27) of secondary knife rest (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621144737.1U CN206204583U (en) | 2016-10-21 | 2016-10-21 | A kind of industrial sewing machine tangent mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621144737.1U CN206204583U (en) | 2016-10-21 | 2016-10-21 | A kind of industrial sewing machine tangent mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206204583U true CN206204583U (en) | 2017-05-31 |
Family
ID=58757097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621144737.1U Active CN206204583U (en) | 2016-10-21 | 2016-10-21 | A kind of industrial sewing machine tangent mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206204583U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034597A (en) * | 2017-06-15 | 2017-08-11 | 浙江美机缝纫机有限公司 | The thread cutting mechanism of sewing machine |
| CN107119394A (en) * | 2017-06-23 | 2017-09-01 | 西安标准工业股份有限公司 | The thread cutting mechanism of double-crank driving |
| CN108103682A (en) * | 2018-02-01 | 2018-06-01 | 莱州远好机械科技有限公司 | Cut the control method of bottom line device, sewing machine and sewing machine |
-
2016
- 2016-10-21 CN CN201621144737.1U patent/CN206204583U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034597A (en) * | 2017-06-15 | 2017-08-11 | 浙江美机缝纫机有限公司 | The thread cutting mechanism of sewing machine |
| CN107119394A (en) * | 2017-06-23 | 2017-09-01 | 西安标准工业股份有限公司 | The thread cutting mechanism of double-crank driving |
| CN108103682A (en) * | 2018-02-01 | 2018-06-01 | 莱州远好机械科技有限公司 | Cut the control method of bottom line device, sewing machine and sewing machine |
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