CN216864498U - Differential mechanism of sewing machine - Google Patents
Differential mechanism of sewing machine Download PDFInfo
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- CN216864498U CN216864498U CN202220426565.6U CN202220426565U CN216864498U CN 216864498 U CN216864498 U CN 216864498U CN 202220426565 U CN202220426565 U CN 202220426565U CN 216864498 U CN216864498 U CN 216864498U
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- differential
- seat
- screw rod
- bottom plate
- differential mechanism
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Abstract
The utility model provides a differential mechanism of a sewing machine, which comprises a fixed base, wherein one side of the fixed base is fixedly connected with a bottom plate, the surface of the bottom plate is fixedly provided with a differential mechanism, the bottom of the fixed base is fixedly provided with a base cover plate, the middle part of the bottom plate is fixedly provided with a detection mechanism, through the arranged differential mechanism, a screw rod fixedly connected with an output end is driven to rotate after a stepping motor rotates, a screw rod seat in surface thread connection is driven to rotate along with the screw rod when the screw rod rotates, so that a cam shaft and a connecting seat arranged at one side of the cam shaft are driven to rotate along with the cam shaft, a supporting rod fixedly connected at one side of the connecting seat and inserted and connected in a stroke groove is limited, the screw rod seat is driven to lift along the screw rod, a differential handle rotationally arranged through a lifting bearing is driven to lift up and down, so that a pull rod is driven to move to control the stroke of a differential tooth to realize differential adjustment, the manual adjustment mode is replaced.
Description
Technical Field
The utility model relates to the technical field of auxiliary equipment of sewing machines, in particular to a differential mechanism of a sewing machine.
Background
The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of sewing materials to be interwoven or sewn, the needle pitch and the differential motion of the existing flat seaming machine are manually adjusted, when the cloth is switched in batches, each sewing machine needs to be adjusted, a large amount of time is consumed due to complex operation, the production efficiency is reduced, and the sewing technological requirement cannot be guaranteed due to certain errors caused by manual adjustment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a differential mechanism of a sewing machine, which aims to solve the problems that the stitch length and the differential motion of the existing flat seaming machine are manually adjusted, the tedious operation causes a large amount of time consumption, the production efficiency is reduced, and the manual adjustment has certain error and can not ensure the sewing process requirement.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a sewing machine's differential mechanism, includes unable adjustment base, one side fixedly connected with bottom plate of unable adjustment base, the fixed surface of bottom plate installs differential mechanism, unable adjustment base's bottom fixed mounting has the base apron, the middle part fixed mounting of bottom plate has detection mechanism.
In order to drive the screw rod to rotate, the utility model adopts a preferable scheme that: differential mechanism includes the intermediate strut seat of fixed mounting on the bottom plate surface, the fixed surface of intermediate strut seat installs step motor, step motor's output alternates intermediate strut seat and fixedly connected with screw rod, one side fixedly connected with lead screw backup pad of bottom plate, the mid-mounting of lead screw backup pad has the round bearing, the one end interlude of screw rod is connected at the round bearing middle part.
In order to move the camshaft, as a preferred embodiment of the present invention: the surface of the screw is in threaded connection with a screw seat, a camshaft is fixedly sleeved on the surface of the screw seat, a connecting seat is fixedly connected to one side of the camshaft, a supporting rod is fixedly connected to the middle of the connecting seat, and a lifting bearing is rotatably installed at one end of the supporting rod.
In order to adjust the driving pull rod, the utility model adopts a preferable scheme that: the utility model discloses a differential tooth's bearing, including base apron, bracing piece, differential handle, pull-up bearing, differential handle, pull rod.
In order to detect the camshaft adjustment movement, as a preferred embodiment of the utility model: the detection mechanism comprises a mounting seat fixedly mounted in the middle of the bottom plate, and a limiting sensor is fixedly mounted on the surface of the mounting seat.
In order to cover the screw, as a preferred embodiment of the present invention: the surface of the supporting seat is fixedly connected with a cover.
Compared with the prior art, the utility model has the beneficial effects that:
(1) through the arranged differential mechanism, the screw rod fixedly connected with the output end is driven to rotate after the stepping motor rotates, the screw rod seat in surface threaded connection is driven to rotate along with the screw rod when the screw rod rotates, so that the cam shaft and the connecting seat arranged on one side of the cam shaft are driven to rotate along with the screw rod, the screw rod is fixedly connected with one side of the connecting seat and is inserted and connected under the limit of the supporting rod in the stroke groove, so that the screw rod seat is lifted along the screw rod, the screw rod is lifted and driven to drive the differential handle rotatably arranged through the lifting bearing to be adjusted up and down, and the pull rod is driven to move to control the stroke of the differential tooth to realize differential adjustment;
(2) through the detection mechanism who is equipped with, the mount pad of fixed mounting at bottom plate middle part is used for improving the erection bracing for spacing sensor, and spacing sensor installs and is used for detecting the upper and lower regulation stroke of camshaft behind the bottom plate middle part, and spacing sensor sends away the signal that detects for proofreading differential adjustment volume, realization technological requirement.
Drawings
FIG. 1 is a schematic front view of the present invention;
fig. 2 is a disassembled structure schematic diagram of the present invention.
In the figure: 1. a fixed base; 2. a base plate; 3. a differential mechanism; 31. a supporting seat; 32. a stepping motor; 33. a screw; 34. a screw support plate; 35. a circular bearing; 36. a screw base; 37. a camshaft; 38. a connecting seat; 39. lifting the bearing; 4. a base cover plate; 41. a stroke slot; 5. a detection mechanism; 51. a mounting seat; 52. a limit sensor; 6. a differential handle; 7. a pull rod; 8. a cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a sewing machine's differential mechanism, includes unable adjustment base 1, one side fixedly connected with bottom plate 2 of unable adjustment base 1, the fixed surface of bottom plate 2 installs differential mechanism 3, and the bottom fixed mounting of unable adjustment base 1 has base apron 4, and the middle part fixed mounting of bottom plate 2 has detection mechanism 5.
In this embodiment: the differential mechanism 3 comprises an intermediate support seat 31 fixedly installed on the surface of the bottom plate 2, a stepping motor 32 is fixedly installed on the surface of the intermediate support seat 31, the output end of the stepping motor 32 penetrates through the intermediate support seat 31 and is fixedly connected with a screw 33, one side of the bottom plate 2 is fixedly connected with a screw support plate 34, a round bearing 35 is installed in the middle of the screw support plate 34, one end of the screw 33 penetrates through the middle of the round bearing 35, the surface of the screw 33 is in threaded connection with a screw seat 36, the surface of the screw seat 36 is fixedly sleeved with a cam shaft 37, one side of the cam shaft 37 is fixedly connected with a connecting seat 38, a support rod is fixedly connected with the middle of the connecting seat 38, one end of the support rod is rotatably installed with a lifting bearing 39, a stroke groove 41 is formed in the middle of the base cover plate 4, the support rod penetrates through the stroke groove 41, and a differential handle 6 is rotatably installed on the surface of the lifting bearing 39, the surface of the differential handle 6 is provided with a pull rod 7 for controlling the stroke of the differential teeth.
When in specific use: when the stepping motor 32 rotates to drive the screw 33 fixedly connected with the output end to rotate, one end of the screw 33 is connected to the inside of the circular bearing 35 arranged in the middle of the screw support plate 34 in a penetrating manner, a support condition is provided for the rotation of the screw 33, when the screw 33 rotates, the screw seat 36 connected with the surface thread is driven to rotate along with the screw, the screw seat 36 drives the cam shaft 37 on the surface and the connecting seat 38 arranged on one side of the cam shaft 37 to rotate along with the cam shaft, the connecting seat 38 is fixedly connected on one side and connected to the inside of the stroke groove 41 in a penetrating manner in a limiting manner, so that the screw seat 36 is lifted along the screw 33, the lifting of the screw 33 drives the differential handle 6 installed by rotating the lifting bearing 39 to adjust up and down, the stroke of the pull rod 7 to control the differential tooth is driven, the differential adjustment is realized, a manual adjustment mode is replaced, and the efficiency is improved.
In this embodiment: the detection mechanism 5 comprises a mounting seat 51 fixedly mounted in the middle of the bottom plate 2, and a limit sensor 52 is fixedly mounted on the surface of the mounting seat 51.
When in specific use: the mounting seat 51 fixedly mounted in the middle of the bottom plate 2 is used for improving mounting support for the limit sensor 52, the limit sensor 52 is mounted in the middle of the bottom plate 2 and used for detecting the up-and-down adjusting stroke of the cam shaft 37, and the limit sensor 52 transmits a detected signal to correct differential adjustment quantity and meet process requirements.
In this embodiment: the cover 8 is fixedly connected to the surface of the support seat 31.
When in specific use: the cover 8 connected with the surface of the supporting seat 31 is used for covering the screw 33.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a differential mechanism of sewing machine, includes unable adjustment base (1), its characterized in that: one side fixedly connected with bottom plate (2) of unable adjustment base (1), the fixed surface of bottom plate (2) installs differential mechanism (3), the bottom fixed mounting of unable adjustment base (1) has base apron (4), the middle part fixed mounting of bottom plate (2) has detection mechanism (5).
2. A differential mechanism for a sewing machine according to claim 1, wherein: differential mechanism (3) are including fixed mounting at intermediate strut seat (31) on bottom plate (2) surface, the fixed surface of intermediate strut seat (31) installs step motor (32), the output of step motor (32) alternates intermediate strut seat (31) and fixedly connected with screw rod (33), one side fixedly connected with lead screw backup pad (34) of bottom plate (2), the mid-mounting of lead screw backup pad (34) has round bearing (35), the one end of screw rod (33) alternates to be connected at round bearing (35) middle part.
3. A differential mechanism for a sewing machine according to claim 2, wherein: the surface of the screw rod (33) is in threaded connection with a screw rod seat (36), the surface of the screw rod seat (36) is fixedly sleeved with a cam shaft (37), one side of the cam shaft (37) is fixedly connected with a connecting seat (38), the middle of the connecting seat (38) is fixedly connected with a supporting rod, and one end of the supporting rod is rotatably provided with a lifting bearing (39).
4. A differential mechanism of a sewing machine according to claim 3, wherein: the middle part of the base cover plate (4) is provided with a stroke groove (41), the supporting rod is connected inside the stroke groove (41) in an inserting mode, the surface of the lifting bearing (39) is rotatably provided with a differential handle (6), and the surface of the differential handle (6) is provided with a pull rod (7) used for controlling the stroke of differential teeth.
5. The differential mechanism of a sewing machine according to claim 1, wherein: detection mechanism (5) are including fixed mounting at mount pad (51) in bottom plate (2) middle part, the fixed surface of mount pad (51) installs spacing sensor (52).
6. The differential mechanism of a sewing machine according to claim 2, wherein: the surface of the supporting seat (31) is fixedly connected with a cover (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220426565.6U CN216864498U (en) | 2022-03-01 | 2022-03-01 | Differential mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220426565.6U CN216864498U (en) | 2022-03-01 | 2022-03-01 | Differential mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216864498U true CN216864498U (en) | 2022-07-01 |
Family
ID=82161027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220426565.6U Active CN216864498U (en) | 2022-03-01 | 2022-03-01 | Differential mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216864498U (en) |
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2022
- 2022-03-01 CN CN202220426565.6U patent/CN216864498U/en active Active
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