CN209975102U - Cutter mechanism of flat car sewing machine with cutter - Google Patents
Cutter mechanism of flat car sewing machine with cutter Download PDFInfo
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- CN209975102U CN209975102U CN201920562362.8U CN201920562362U CN209975102U CN 209975102 U CN209975102 U CN 209975102U CN 201920562362 U CN201920562362 U CN 201920562362U CN 209975102 U CN209975102 U CN 209975102U
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- connecting rod
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Abstract
The utility model relates to a take sword flatcar sewing machine's cutter mechanism, which comprises a housin, casing one end is connected with the blade holder, install cutter, its characterized in that in the blade holder: casing one side is provided with actuating mechanism, the location axle of rotatable setting is worn to be equipped with at the casing middle part, actuating mechanism is including first connecting rod, the epaxial cover in location is equipped with the second connecting rod, the first connecting rod other end is connected with drive mechanism to second connecting rod one end, the blade holder is connected to drive mechanism one end and drives blade holder up-and-down motion, thereby be provided with the stop gear who lifts the biggest displacement distance of change cutter on can ordering about the blade holder between casing and the drive mechanism, the beneficial effects of the utility model are that: the driving mechanism has stronger controllability, and the limiting mechanism is arranged to improve the cutting frequency of the cutter mechanism under the condition of not changing the rotating speed of the motor.
Description
Technical Field
The utility model relates to a sewing machine field, concretely relates to take sword flatcar sewing machine's cutter mechanism.
Background
The flat car sewing machine with the knife is used for cutting cloth in order by a cutter so as to compositely manufacture the required sewing machine, a cutter mechanism of the existing flat car sewing machine with the knife is a mechanical mechanism, the controllability is poor, the speed of the cutter mechanism is consistent with the running speed of the machine, and notches are not neat when the arc angle of the cloth is cut off, so that the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to solve the above-mentioned deficiencies of the prior art,
provides a cutter mechanism of a flat car sewing machine with a cutter.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a take sword flatcar sewing machine's cutter mechanism, including the casing, casing one end is connected with the blade holder, install cutter, its characterized in that in the blade holder: the cutter comprises a shell, and is characterized in that a driving mechanism is arranged on one side of the shell, a positioning shaft which can be rotatably arranged is arranged in the middle of the shell in a penetrating mode, the driving mechanism comprises a first connecting rod, a second connecting rod is sleeved on the positioning shaft, one end of the second connecting rod is connected with the first connecting rod, the other end of the second connecting rod is connected with a transmission mechanism, one end of the transmission mechanism is connected with a cutter holder and drives the cutter holder to reciprocate up and down, and a limiting mechanism which can drive the cutter holder to be lifted up to change the maximum.
The cutter mechanism of the sewing machine with the flat car can be further arranged as follows: the driving mechanism comprises a driving motor, an eccentric wheel is sleeved at the driving shaft of the driving motor, the other end of the eccentric wheel is connected with a first connecting rod and drives the first connecting rod to rotate, the transmission mechanism comprises a third connecting rod, one end of the third connecting rod is connected with a second connecting rod, the third connecting rod is connected with a fourth connecting rod through a first linkage shaft, the third connecting rod is connected with the tool apron and drives the tool apron to reciprocate up and down, the first linkage shaft is connected with a fifth connecting rod, the limiting mechanism comprises a sixth connecting rod and a seventh connecting rod, the seventh connecting rod is connected with the sixth connecting rod through a second linkage shaft, and the seventh connecting rod is connected with a limiting driving mechanism for driving the limiting mechanism.
Adopt above-mentioned technical scheme, traditional actuating mechanism is mechanical drive, the utility model discloses set up actuating mechanism into driving motor, control its functioning speed after the programming of motor available program, the controllability is strong, thereby driving motor links to each other with drive mechanism through the eccentric wheel and realizes the cutter reciprocating motion that the transmission drives the drive mechanism other end and is connected, traditional cutter mechanism speed keeps unanimous with machine functioning speed, and the incision is not neat when cutting off the arc angle to the cloth, the utility model discloses increased spacing mechanism and made when needing to cut the arc angle that can't be to the maximum displacement distance that reduces the cutter through stop gear, thereby make cutter displacement distance reduce and accelerate cutter cutting efficiency under the condition of not changing driving motor rotational speed.
The cutter mechanism of the flat car sewing machine with the cutter can be further arranged as follows: the limiting driving mechanism comprises a driving cylinder, a piston shaft of the driving cylinder is connected with a universal joint, the universal joint is connected with a seventh connecting rod through a third linkage shaft, and two ends of the second linkage shaft are respectively connected with a sixth connecting rod and the seventh connecting rod through a fixed structure.
The cutter mechanism of the sewing machine with the flat car can be further arranged as follows: the fixing structure comprises a fixing hook, a locking bolt penetrates through one end of the fixing hook, and locking holes corresponding to the locking screws are formed in the sixth connecting rod and the seventh connecting rod.
Adopt above-mentioned technical scheme, drive the eighth connecting rod through driving actuating cylinder, the eighth connecting rod passes through the third universal driving shaft and links to each other with the seventh connecting rod, seventh connecting rod and eighth connecting rod are all through fixed knot structure and third universal driving shaft fixed connection, the setting is when driving actuating cylinder and beating like this the piston rod drives the eighth connecting rod, eighth connecting rod and seventh connecting rod and the equal fixed connection of third universal driving shaft, the piston rod just drives the seventh connecting rod through the eighth connecting rod and lifts up the third connecting rod toward eighth connecting rod syntropy motion, shorten the movement distance of third connecting rod when actuating mechanism drives, thereby change the maximum movement distance of cutter mechanism, realize the acceleration of cutter cutting frequency.
The utility model has the advantages that: the driving mechanism has stronger controllability, and the limiting mechanism is arranged to improve the cutting frequency of the cutter mechanism under the condition of not changing the rotating speed of the motor.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic view of the internal structure of the embodiment of the present invention with the casing removed.
Fig. 3 is a schematic connection diagram of the driving mechanism and the limiting mechanism according to the embodiment of the present invention.
Detailed Description
Referring to fig. 1-3: a cutter mechanism of a flat car sewing machine with a cutter comprises a shell 1, one end of the shell 1 is connected with a cutter holder 2, a cutter 3 is installed in the cutter holder 2, one side of the shell 1 is provided with a driving mechanism, a positioning shaft 4 which can be rotatably arranged is arranged in the middle of the shell 1 in a penetrating way, the driving mechanism comprises a first connecting rod 5, a second connecting rod 6 is sleeved on the positioning shaft 4, one end of the second connecting rod 6 is connected with the first connecting rod 5, the other end of the second connecting rod 6 is connected with a transmission mechanism, one end of the transmission mechanism is connected with the cutter holder 2 and drives the cutter holder 2 to reciprocate up and down, a limiting mechanism which can drive the cutter holder 2 to lift up so as to change the maximum displacement distance of the cutter is arranged between the shell 1 and the transmission mechanism, the driving mechanism comprises a driving motor 7, an eccentric wheel 72 is sleeved at a driving shaft 71 of the driving motor 7, the other end of, the third connecting rod 8 is connected with the fourth connecting rod 82 through a first linkage shaft 81, the third connecting rod 8 is connected with the tool apron 2 and drives the tool apron 2 to reciprocate up and down, the first linkage shaft 81 is connected with a fifth connecting rod 83, the limiting mechanism comprises a sixth connecting rod 84 and a seventh connecting rod 85 connected with the sixth connecting rod 84 through a second linkage shaft 89, the seventh connecting rod 85 is connected with a limiting driving mechanism for driving the limiting mechanism, the limiting driving mechanism comprises a driving cylinder 86, a piston shaft of the driving cylinder is connected with a universal joint 862, the universal joint 862 is connected with the seventh connecting rod 85 through a third linkage shaft 87, two ends of the second linkage shaft 89 are respectively connected with the sixth connecting rod 84 and the seventh connecting rod 85 through a fixing structure, the fixing structure comprises a fixing hook 851, one end of the fixing hook 851 is penetrated by a locking bolt 852, and locking holes corresponding to the locking bolts 852 are respectively arranged on the sixth connecting rod 84 and the seventh connecting rod 85.
Claims (4)
1. The utility model provides a take sword flatcar sewing machine's cutter mechanism, including the casing, casing one end is connected with the blade holder, install cutter, its characterized in that in the blade holder: the cutter comprises a shell, and is characterized in that a driving mechanism is arranged on one side of the shell, a positioning shaft which can be rotatably arranged is arranged in the middle of the shell in a penetrating mode, the driving mechanism comprises a first connecting rod, a second connecting rod is sleeved on the positioning shaft, one end of the second connecting rod is connected with the first connecting rod, the other end of the second connecting rod is connected with a transmission mechanism, one end of the transmission mechanism is connected with a cutter holder and drives the cutter holder to reciprocate up and down, and a limiting mechanism which can drive the cutter holder to be lifted up to change the maximum.
2. The cutter mechanism of the flatcar sewing machine with the cutter according to claim 1, characterized in that: the driving mechanism comprises a driving motor, an eccentric wheel is sleeved at the driving shaft of the driving motor, the other end of the eccentric wheel is connected with a first connecting rod and drives the first connecting rod to rotate, the transmission mechanism comprises a third connecting rod, one end of the third connecting rod is connected with a second connecting rod, the third connecting rod is connected with a fourth connecting rod through a first linkage shaft, the third connecting rod is connected with the tool apron and drives the tool apron to reciprocate up and down, the first linkage shaft is connected with a fifth connecting rod, the limiting mechanism comprises a sixth connecting rod and a seventh connecting rod, the seventh connecting rod is connected with the sixth connecting rod through a second linkage shaft, and the seventh connecting rod is connected with a limiting driving mechanism for driving the limiting mechanism.
3. The cutter mechanism of the flatcar sewing machine with the cutter according to claim 2, characterized in that: the limiting driving mechanism comprises a driving cylinder, a piston shaft of the driving cylinder is connected with a universal joint, the universal joint is connected with a seventh connecting rod through a third linkage shaft, and two ends of the second linkage shaft are respectively connected with a sixth connecting rod and the seventh connecting rod through a fixed structure.
4. The cutter mechanism of the flatcar sewing machine with the knife according to claim 3, characterized in that: the fixing structure comprises a fixing hook, a locking bolt penetrates through one end of the fixing hook, and locking holes corresponding to the locking screws are formed in the sixth connecting rod and the seventh connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562362.8U CN209975102U (en) | 2019-04-23 | 2019-04-23 | Cutter mechanism of flat car sewing machine with cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562362.8U CN209975102U (en) | 2019-04-23 | 2019-04-23 | Cutter mechanism of flat car sewing machine with cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209975102U true CN209975102U (en) | 2020-01-21 |
Family
ID=69259194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920562362.8U Active CN209975102U (en) | 2019-04-23 | 2019-04-23 | Cutter mechanism of flat car sewing machine with cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209975102U (en) |
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2019
- 2019-04-23 CN CN201920562362.8U patent/CN209975102U/en active Active
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