CN208884120U - A kind of trimming cutter head structure of stabilization - Google Patents
A kind of trimming cutter head structure of stabilization Download PDFInfo
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- CN208884120U CN208884120U CN201821694585.1U CN201821694585U CN208884120U CN 208884120 U CN208884120 U CN 208884120U CN 201821694585 U CN201821694585 U CN 201821694585U CN 208884120 U CN208884120 U CN 208884120U
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- pressing plate
- cutter head
- knife
- head structure
- bottom plate
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Abstract
The utility model belongs to the technical field of sewing machine, in particular to the trimming cutter head structure of a kind of stabilization, including cutterhead bottom plate, the movable knife rack of the fixed moving knife in front end, the tool fixing frame of the fixed stationary knife in front end, longitudinal chute is provided in the middle part of the movable knife rack, the two sides of longitudinal chute are provided with horizontal concrete chute, oscillating rod and two eccentric adjusting sleeves are hinged on the cutterhead bottom plate, the end of the oscillating rod is slidably connected with longitudinal chute, the eccentric adjusting, which is put on, is arranged with knife rest connecting rod, the other end of knife rest connecting rod is connected with knife rest fixing sleeve, the knife rest fixing sleeve is fixedly connected with tool fixing frame and is slidably installed in horizontal concrete chute, pressing plate is provided on the outside of the movable knife rack, the pressing plate is between horizontal concrete chute and moving knife.Trimming cutter head structure provided by the utility model reduces the shake of cutterhead cutter head, improves the stability of trimming cutter head structure.
Description
Technical field
The utility model belongs to the technical field of sewing machine, in particular to the trimming cutter head structure of a kind of stabilization.
Background technique
It is increasingly developed with sewing machine technique, in order to improve plant produced efficiency, worker's workload is reduced, guarantees process
Continuity, most industrial sewing machine all added automatic thread trimming device, to reach laborsaving, power saving, less manpower.Currently,
The automatic thread trimming device of sewing machine is to match trimming by movable blade, fixing cutter.
Chinese patent application CN107401004A discloses a kind of sewing machine trimming cutterhead, including bottom plate, movable knife rack, dynamic
The push plate of knife, tool fixing frame, stationary knife and strip, the movable knife rack and tool fixing frame are in long strip, and movable knife rack in the middle part of have to
The interconnecting piece of lower protrusion, described push plate one end are connect with interconnecting piece, which is characterized in that described tool fixing frame one end is turned by axial position pin
Dynamic to be connected on bottom plate, the stationary knife is fixed on the other end of tool fixing frame, and the movable knife rack is successively arranged bar shaped along its length
Hole one and strip-shaped hole two, tool fixing frame is between movable knife rack and bottom plate and axial position pin is solid in strip-shaped hole one, the tool fixing frame
Surely have a positioning pin, the positioning pin passes through strip-shaped hole two, the moving knife be fixed on the one end of movable knife rack far from strip-shaped hole one and
It can cooperate with stationary knife and realize trimming, one end of the fixed moving knife of the movable knife rack and tool fixing frame fix one end of stationary knife diagonally downward
Setting, is additionally provided with limit plate on the bottom plate, and the limit plate can be with when movable knife rack is in a horizontal state around axial position pin swing
The upper lateral part of movable knife rack against.
Since fit tolerance is more between cutterhead, be easy accumulated error, cutter head farther out from cutter head support point, at supporting point very
Small gap is all easy to cause cutterhead cutter head that biggish shake occurs, and cutterhead shake has become a comparison in current flat-seam process
Serious problem, cutterhead shake can't clip line after will lead to trimming, influence the stability of trimming.
Utility model content
The purpose of the utility model is to provide a kind of trimming cutter head structures of stabilization, reduce the shake of cutterhead cutter head, mention
The stability of high trimming cutter head structure.
Purpose of the utility model is realized as follows: a kind of trimming cutter head structure of stabilization, including it is cutterhead bottom plate, preceding
The movable knife rack of fixed moving knife, the tool fixing frame of the fixed stationary knife in front end are held, the tool fixing frame is between cutterhead bottom plate and movable knife rack, institute
It states stationary knife and moving knife stretches out outside cutterhead bottom plate, longitudinal chute open at one end, longitudinal chute are provided in the middle part of the movable knife rack
Two sides be provided with horizontal concrete chute, oscillating rod is hinged with by axial screw respectively on the cutterhead bottom plate, passes through eccentric adjusting
Screw is covered hingedly there are two eccentric adjusting sleeve, and eccentric adjusting sleeve is dislocatedly distributed in the two sides of movable knife rack, the end of the oscillating rod
It is slidably connected with longitudinal chute, the eccentric adjusting, which is put on, is arranged with knife rest connecting rod, and the other end of knife rest connecting rod is connected with knife rest
Fixing sleeve, the knife rest fixing sleeve are fixedly connected with tool fixing frame and are slidably installed in horizontal concrete chute, the outside setting of the movable knife rack
There is pressing plate, the pressing plate is between horizontal concrete chute and moving knife.
Above-mentioned cutterhead bottom plate is provided with L-type support plate close to one jiao of moving knife.
One end of above-mentioned pressing plate is fastenedly connected by pressing plate fixing screws and cutterhead bottom plate, and the other end contacts company with movable knife rack
It connects.
The inside of above-mentioned pressing plate is the step structure matched with the shape of movable knife rack.
Alternatively, above-mentioned pressing plate is L-type, including orthogonal pressing plate ontology and mounting portion, the mounting portion pass through pressing plate
Fixing screws are fastenedly connected with support plate, and the pressing plate ontology and movable knife rack connect.
The strip-shaped hole vertical with pressing plate ontology direction is provided on above-mentioned mounting portion, the pressing plate fixing screws are located at bar shaped
In hole and position adjusting can be carried out along strip-shaped hole.
Above-mentioned pressing plate fixing screws same column is set as two.
Reset spring is provided on above-mentioned cutterhead bottom plate, one end of the reset spring passes through reset spring screw and cutterhead
Bottom plate is fastenedly connected, and the other end is connected in tool fixing frame, and the reset spring is torsional spring.
Above-mentioned tool fixing frame is provided with convex block, and reset spring is connected on convex block, opposite with reset spring on cutterhead bottom plate
Side is provided with the limit plate limited to convex block, and the convex block is between limit plate and reset spring.
Compared to the prior art the utility model, has the following beneficial effects:
1, the cutter head structure of the utility model is provided with a pressing plate at the supporting point of its cutter head, presses when cutterhead return
Firmly movable knife rack and tool fixing frame, are greatly reduced the shake of cutterhead, and cutterhead shake in the prior art is about in 2-3mm, and this reality
With the cutterhead shake control of novel offer in 0.5-1mm, to improve the stability of trimming.
2, the cutter head structure of the utility model is provided with a L shape support plate in the corner close to cutter head, for mentioning
Cooperate with the shake for reducing cutterhead cutter head together for supporting role and pressing plate.
3, the adjustable position of the pressure plate structure of the utility model can not only guarantee cutterhead assembly precision, but also can be into one
Step improves the stability of cutterhead.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of the utility model.
Fig. 2 is the plane structure chart of the utility model.
Fig. 3 is the pressure plate structure figure of the utility model.
Fig. 4 is another three-dimensional structure diagram of the utility model.
Fig. 5 is another plane structure chart of the utility model.
Fig. 6 is another pressure plate structure figure of the utility model.
Appended drawing reference: 1, cutterhead bottom plate；2, moving knife；3, movable knife rack；4, stationary knife；5, tool fixing frame；6, longitudinal chute；7, laterally
Sliding slot；8, axial screw；9, oscillating rod；10, eccentric adjusting sleeve screw；11, eccentric adjusting sleeve；12, knife rest connecting rod；13, knife rest
Fixing sleeve；14, pressing plate；14a, pressing plate ontology；14b, mounting portion；14c, strip-shaped hole；15, support plate；16, pressing plate fixing screws；
17, reset spring；18, reset spring screw；19, convex block；20, limit plate.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing, referring to Fig. 1-6:
A kind of trimming cutter head structure of stabilization, it is solid including cutterhead bottom plate 1, the movable knife rack 3 of the fixed moving knife 2 in front end, front end
The tool fixing frame 5 of stationary knife 4, for the tool fixing frame 5 between cutterhead bottom plate 1 and movable knife rack 3, the stationary knife 4 and moving knife 2 stretch out knife
It tries to get to the heart of a matter outside plate 1, the middle part of the movable knife rack 3 is provided with longitudinal chute 6 open at one end, and the two sides of longitudinal chute 6 are provided with cross
To sliding slot 7, oscillating rod 9 is hinged with by axial screw 8 respectively on the cutterhead bottom plate 1, is cut with scissors by eccentric adjusting sleeve screw 10
It connects there are two eccentric adjusting sleeve 11, eccentric adjusting sleeve 11 is dislocatedly distributed in the two sides of movable knife rack 3, and the end of the oscillating rod 9 is worn
The opening and longitudinal chute 6 for crossing longitudinal chute 6 are slidably connected, and are arranged with knife rest connecting rod 12, knife rest on the eccentric adjusting sleeve 11
The other end of connecting rod 12 is connected with knife rest fixing sleeve 13, and the knife rest fixing sleeve 13 is fixedly connected with tool fixing frame 5 and is slidably installed in cross
Into sliding slot 7, the outside of the movable knife rack 3 is provided with pressing plate 14, and the pressing plate 14 is between horizontal concrete chute 7 and moving knife 2.
Above-mentioned cutterhead bottom plate 1 is provided with L-type support plate 15 close to one jiao of moving knife 2.
Reset spring 17 is provided on above-mentioned cutterhead bottom plate 1, one end of the reset spring 17 passes through reset spring screw
18 are fastenedly connected with cutterhead bottom plate 1, and the other end is connected in tool fixing frame 5, and the reset spring 17 is torsional spring.
Above-mentioned tool fixing frame 5 is provided with convex block 19, and reset spring 17 is connected on convex block 19, on cutterhead bottom plate 1 with reset bullet
The opposite side of spring 17 is provided with the limit plate 20 limited to convex block 19, and the convex block 19 is located at limit plate 20 and resets bullet
Between spring 17.
The working principle of the utility model is: the driving source of complete machine drives oscillating rod 9 when sewing machine is normally sewed, thus band
Dynamic movable knife rack 3 moves, and moving knife 2 cooperates with stationary knife 4 therewith carries out trimming operation, and after the completion of trimming, driving source is powered off, and cutterhead is logical
17 return of reset spring is crossed, when reaching designated position due to inertia force, the movable knife rack 3 and tool fixing frame 5 of cutterhead are up shaken, pressure
Plate 14 pushes down movable knife rack 3 and tool fixing frame 5, to greatly reduced the shake of cutterhead cutter head.
Support plate 15 provides a supporting role and pressing plate 14 cooperates with the shake for reducing cutterhead cutter head together.
Embodiment 1: one end of comparative diagram 1- Fig. 3, above-mentioned pressing plate 14 are fastened by pressing plate fixing screws 16 and cutterhead bottom plate 1
Connection, the other end and movable knife rack 3 connect.
Preferably, the inside of above-mentioned pressing plate 14 is the step structure matched with the shape of movable knife rack 3.
Embodiment 2: comparative diagram 4- Fig. 6, above-mentioned pressing plate 14 are L-type, including orthogonal pressing plate ontology 14a and mounting portion
14b, the mounting portion 14b are fastenedly connected by pressing plate fixing screws 16 with support plate 15, the pressing plate ontology 14a and movable knife rack
3 connect.
In order to keep 14 position of pressing plate adjustable, the bar shaped vertical with the pressing plate direction ontology 14a is provided on above-mentioned mounting portion 14b
Hole 14c, the pressing plate fixing screws 16 are located in strip-shaped hole 14c and can carry out position adjusting along strip-shaped hole 14c.
Preferably, above-mentioned 16 same column of pressing plate fixing screws is set as two.
By the adjusting to 14 position of pressing plate, it can not only guarantee cutterhead assembly precision, but also can be further improved cutterhead
Stability.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (9)
1. a kind of trimming cutter head structure of stabilization, the movable knife rack (3), preceding including cutterhead bottom plate (1), front end fixed moving knife (2)
The tool fixing frame (5) of fixed stationary knife (4) is held, the tool fixing frame (5) is located between cutterhead bottom plate (1) and movable knife rack (3), the stationary knife
(4) and moving knife (2) stretches out cutterhead bottom plate (1) outside, which is characterized in that is provided in the middle part of the movable knife rack (3) open at one end
Longitudinal chute (6), the two sides of longitudinal chute (6) are provided with horizontal concrete chute (7), pass through axle position respectively on the cutterhead bottom plate (1)
Screw (8) is hinged with oscillating rod (9), and by eccentric adjusting sleeve screw (10), hingedly there are two eccentric adjusting sleeve (11), the pendulum
The end of lever (9) is slidably connected with longitudinal chute (6), is arranged with knife rest connecting rod (12), knife on the eccentric adjusting sleeve (11)
The other end of frame connecting rod (12) is connected with knife rest fixing sleeve (13), and the knife rest fixing sleeve (13) is fixedly connected with tool fixing frame (5)
And be slidably installed in horizontal concrete chute (7), it is provided with pressing plate (14) on the outside of the movable knife rack (3), the pressing plate (14) is located at laterally
Between sliding slot (7) and moving knife (2).
2. a kind of trimming cutter head structure of stabilization according to claim 1, it is characterised in that: the cutterhead bottom plate (1)
One jiao close to moving knife (2) is provided with L-type support plate (15).
3. a kind of trimming cutter head structure of stabilization according to claim 1, it is characterised in that: the one of the pressing plate (14)
End is fastenedly connected by pressing plate fixing screws (16) with cutterhead bottom plate (1), and the other end and movable knife rack (3) connect.
4. a kind of trimming cutter head structure of stabilization according to claim 3, it is characterised in that: the pressing plate (14) it is interior
Side is the step structure matched with the shape of movable knife rack (3).
5. a kind of trimming cutter head structure of stabilization according to claim 2, it is characterised in that: the pressing plate (14) is L
Type, including orthogonal pressing plate ontology (14a) and mounting portion (14b), the mounting portion (14b) pass through pressing plate fixing screws
(16) it is fastenedly connected with support plate (15), the pressing plate ontology (14a) and movable knife rack (3) connect.
6. a kind of trimming cutter head structure of stabilization according to claim 5, it is characterised in that: the mounting portion (14b)
On be provided with the strip-shaped hole vertical with the pressing plate ontology direction (14a) (14c), the pressing plate fixing screws (16) are located at strip-shaped hole
In (14c) and position adjusting can be carried out along strip-shaped hole (14c).
7. a kind of trimming cutter head structure of stabilization according to claim 6, it is characterised in that: the pressing plate fixing screws
(16) same column is set as two.
8. a kind of trimming cutter head structure of stabilization according to claim 1, it is characterised in that: the cutterhead bottom plate (1)
On be provided with reset spring (17), one end of the reset spring (17) passes through reset spring screw (18) and cutterhead bottom plate (1)
It is fastenedly connected, the other end is connected on tool fixing frame (5).
9. a kind of trimming cutter head structure of stabilization according to claim 8, it is characterised in that: the tool fixing frame (5) sets
It is equipped with convex block (19), reset spring (17) is connected on convex block (19), is provided on cutterhead bottom plate (1) and is limited convex block (19)
The limit plate (20) of position, convex block (19) are located between limit plate (20) and reset spring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821694585.1U CN208884120U (en) | 2018-10-18 | 2018-10-18 | A kind of trimming cutter head structure of stabilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821694585.1U CN208884120U (en) | 2018-10-18 | 2018-10-18 | A kind of trimming cutter head structure of stabilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208884120U true CN208884120U (en) | 2019-05-21 |
Family
ID=66516495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821694585.1U Active CN208884120U (en) | 2018-10-18 | 2018-10-18 | A kind of trimming cutter head structure of stabilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208884120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565286A (en) * | 2019-09-16 | 2019-12-13 | 杰克缝纫机股份有限公司 | Trimming transmission mechanism and sewing machine with trimming transmission mechanism |
-
2018
- 2018-10-18 CN CN201821694585.1U patent/CN208884120U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565286A (en) * | 2019-09-16 | 2019-12-13 | 杰克缝纫机股份有限公司 | Trimming transmission mechanism and sewing machine with trimming transmission mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 318000 no.1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
|
| CP03 | Change of name, title or address |