CN210975110U - Adjustable movable cutter device and sewing equipment - Google Patents
Adjustable movable cutter device and sewing equipment Download PDFInfo
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- CN210975110U CN210975110U CN201920922868.5U CN201920922868U CN210975110U CN 210975110 U CN210975110 U CN 210975110U CN 201920922868 U CN201920922868 U CN 201920922868U CN 210975110 U CN210975110 U CN 210975110U
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- transmission rod
- seat plate
- blade
- movable blade
- adjustable
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Abstract
The utility model discloses an adjustable moving cutter device and sewing equipment, wherein, the adjustable moving cutter device comprises a moving cutter component and a driving mechanism, the moving cutter component comprises a seat plate, a transmission rod, an elastic part, a nut and a moving cutter blade, the transmission rod is arranged on the seat plate in a sliding way, a limit platform and an external thread are arranged on the transmission rod, the elastic part is positioned between the limit platform and the seat plate, the nut is sleeved on the transmission rod and matched with the external thread on the transmission rod, the moving cutter blade is connected with the end part of the transmission rod, and the nut, the elastic part, the limit platform and the moving cutter blade are sequentially arranged along the; the driving mechanism comprises a first mounting plate and a driving piece, and the driving piece is connected with the seat plate and can drive the seat plate to move. The driving rod can move back and forth along the axis of the driving rod by rotating the nut, so that the movable blade can move back by a sufficient distance under the pushing of the fixed blade, and further, the movable blade and the fixed blade can have a sufficient pressure when being matched, and the sewing thread can be cut off smoothly.
Description
Technical Field
The utility model relates to a sewing technical field, in particular to move sword device and sewing machine with adjustable.
Background
The sewing machine is generally provided with a fixed blade and a movable blade, and when the sewing machine works, the movable blade moves towards the fixed blade, and sewing threads are cut off through the mutual matching of the movable blade and the fixed blade. When the sewing thread is cut off, the movable blade and the fixed blade need to be contacted with each other, and a certain pressure is kept between the movable blade and the fixed blade, so that the sewing thread can be smoothly cut off. However, after the sewing machine works for a period of time, the movable blade and the fixed blade sometimes cannot be in contact with each other due to the influence of abrasion of parts.
Some sewing machines also have the movable blade arranged elastically, that is, the movable blade is arranged on the movable blade holder in a sliding manner, a spring is arranged between the movable blade and the movable blade holder, the elastic force of the spring can press the movable blade to the fixed blade, so that the movable blade can be in mutual contact with the fixed blade, but along with the increase of the abrasion loss, the spring is gradually stretched, the elastic force applied to the movable blade by the spring can be reduced, the pressure between the movable blade and the fixed blade is reduced, the shearing quality is reduced, and even the sewing thread can not be cut off smoothly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide sword device and sewing machine move with adjustable.
According to the utility model discloses an aspect provides the adjustable move the sword device, it includes
The movable blade assembly comprises a seat plate, a transmission rod, an elastic part, a nut and a movable blade, wherein the transmission rod is arranged on the seat plate in a sliding mode, a limiting table and an external thread are arranged on the transmission rod, the elastic part is located between the limiting table and the seat plate, the nut is sleeved on the transmission rod and matched with the external thread on the transmission rod, the movable blade is connected to the end portion of the transmission rod, and the nut, the elastic part, the limiting table and the movable blade are sequentially arranged along the transmission rod;
the driving mechanism comprises a first mounting plate and a driving piece arranged on the first mounting plate, and the driving piece is connected with the seat plate and can drive the seat plate to move.
The beneficial effect that above-mentioned scheme has: the elastic piece can compensate the abrasion loss of parts, and the fixed blade and the movable blade can be ensured to be contacted with each other; through the rotary nut, the transmission rod can move back and forth along the axis of the transmission rod, when the movable blade is in contact with the fixed blade, the movable blade can be enabled to move backwards by a sufficient distance under the pushing of the fixed blade, and then the movable blade and the fixed blade are enabled to have sufficient pressure when being matched, so that the sewing thread can be ensured to be smoothly cut off, the shearing quality is ensured, and the pressure between the movable blade and the fixed blade is convenient to adjust.
According to the utility model discloses move blade device with adjustable first aspect, a tip of keeping away from the blade on the transfer line is provided with first fastener, is provided with the gasket between the head of first fastener and the terminal surface of transfer line, the width of gasket is greater than the width of transfer line.
According to the utility model discloses the first aspect the adjustable move the knife gear, the driving piece sets up to the cylinder.
According to the utility model discloses move knife device with adjustable, be provided with the guide way on both of them of moving blade and bedplate, be provided with the guide part on both of them another of moving blade and bedplate, the guide part stretches into to the guide way in.
According to the utility model discloses the first aspect the adjustable move the knife gear, a second mounting panel has on the driving piece, the bedplate is connected with the second mounting panel through positioning bolt.
According to the utility model discloses the first aspect move sword device with adjustable, be provided with on the second mounting panel with positioning bolt matched with screw hole, be provided with the through-hole that can supply positioning bolt's pole portion to pass on the bedplate, the through-hole is greater than the diameter in positioning bolt pole portion along the length of transfer line axis direction, positioning bolt's pole portion is passed through-hole and spiral shell and is located the threaded hole.
According to the utility model discloses a second aspect provides sewing machine, its include sewing machine and as above move the sword device with adjustable, sewing machine is last be provided with the stationary knife piece and move the sword device with adjustable.
Therefore, the driving rod can move back and forth along the axis of the driving rod through the rotating nut, so that the movable blade can move back by a sufficient distance under the pushing of the fixed blade, and further, the movable blade and the fixed blade can have sufficient pressure when being matched, so that the sewing thread can be cut off smoothly, the shearing quality is ensured, and the pressure between the movable blade and the fixed blade can be adjusted conveniently. In addition, the elastic piece can compensate the loosening amount of the parts.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
FIG. 1 is a block diagram of an embodiment of a sewing apparatus;
FIG. 2 is a schematic diagram of an embodiment of an adjustable moving blade device;
FIG. 3 is an exploded view of an embodiment of the adjustable moving blade device;
fig. 4 is an exploded view of the movable knife assembly in the embodiment of the adjustable movable knife device.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, the present invention provides a sewing device, which includes a sewing machine 40 and an adjustable movable knife device, the adjustable movable knife device is disposed on the sewing machine 40, and a fixed knife 50 corresponding to the adjustable movable knife device is disposed on the sewing machine 40.
Referring to fig. 2 to 4, the adjustable moving blade device according to the embodiment of the present invention includes a moving blade assembly 10 and a driving mechanism 20. The movable blade assembly 10 comprises a seat plate 11, a transmission rod 12, an elastic part 13, a nut 14 and a movable blade 15, wherein the transmission rod 12 is arranged on the seat plate 11 in a sliding manner, a limiting table 121 (not shown in the drawing) is arranged on the transmission rod 12, the elastic part 13 is positioned between the limiting table 121 and the seat plate 11, the nut 14 is sleeved on the transmission rod 12 and matched with an external thread on the transmission rod 12, the movable blade 15 is connected to the end part of the transmission rod 12, and the nut 14, the elastic part 13, the limiting table 121 and the movable blade 15 are sequentially arranged along the transmission rod 12; the driving mechanism 20 includes a first mounting plate 21 and a driving member 22 disposed on the first mounting plate 21, the driving member 22 is connected to the seat plate 11 and drives the seat plate 11 to move. The elastic member 13 may be a spring.
The movable blade 15 is provided with an inclined surface, when the movable blade 15 works, the driving piece 22 drives the seat plate 11 to move so as to enable the movable blade 15 to move towards the fixed blade 50, and the guide is carried out by means of the inclined surface on the movable blade 15, namely the fixed blade 50 pushes the inclined surface on the movable blade 15 so as to enable the movable blade 15 to move backwards along the axis of the transmission rod 12, and the elastic piece 13 is compressed until the end surface of the movable blade 15 contacts with the end surface of the fixed blade 50. The elastic piece 13 can compensate the abrasion amount of parts, and the fixed blade 50 and the movable blade 15 can be ensured to be contacted with each other.
Through the rotating nut 14, the driving rod 12 can move back and forth along the axis of the driving rod to ensure that the movable blade 15 can move back by a sufficient distance under the pushing of the fixed blade 50, and further the movable blade 15 and the fixed blade 50 have sufficient pressure when being matched, so that the sewing thread can be cut off smoothly, the shearing quality is ensured, and the pressure between the movable blade 15 and the fixed blade 50 can be adjusted conveniently.
In some embodiments, a bevel may be provided on the stationary blade 50, and the movable blade 15 may be pushed by the bevel on the stationary blade 50. Or the movable blade 15 and the fixed blade 50 are provided with inclined surfaces at the same time, and the inclined surfaces on the movable blade 15 are pushed by the inclined surfaces on the fixed blade 50.
A first fastening piece 16 is arranged at one end part of the transmission rod 12 far away from the movable blade 15, a gasket 17 is arranged between the head part of the first fastening piece 16 and the end surface of the transmission rod 12, and the width of the gasket 17 is larger than that of the transmission rod 12. The nut 14 can be limited by the structure, and the nut 14 is prevented from being separated from the transmission rod 12.
In addition, the stopper 121 may be locked to the driving rod 12 by a second fastening member, and the stopper 121 may also be locked to the driving rod 12 by a screw-fitting manner.
In the above embodiments, the first fastener 16 and the second fastener may be screws or bolts, or may be rivets.
Referring to fig. 2, the driver 22 is provided as a cylinder. In some embodiments, the driver 22 may also be configured as an electromagnetic push rod or the like.
The movable blade 15 is provided with a guide groove 151, the seat plate 11 is provided with a guide portion 111, and the guide portion 111 extends into the guide groove 151. The structure can guide the movable blade 15 and prevent the movable blade 15 from deflecting. When the driving lever 12 is provided in a cylindrical shape, the driving lever 12 is also restricted from rotating relative to the seat plate 11 by the engagement of the guide groove 151 with the guide portion 111.
In some embodiments, the guide groove 151 may be disposed on the seat plate 11, and the guide portion 111 may be disposed on the movable blade 15.
The driving member 22 has a second mounting plate 23, and the seat plate 11 is connected to the second mounting plate 23 by a positioning bolt 30.
Specifically, the second mounting plate 23 is provided with a threaded hole 231 matched with the positioning bolt 30, the seat plate 11 is provided with a through hole 112 through which the rod portion of the positioning bolt 30 can pass, the length of the through hole 112 along the axial direction of the transmission rod 12 is greater than the diameter of the rod portion of the positioning bolt 30, and the rod portion of the positioning bolt 30 passes through the through hole 112 and is screwed in the threaded hole 231. The position of the seat plate 11 on the second mounting plate 23 can be adjusted by this structure.
As described above, in the sewing machine 40 provided with the fixed blade 50 and the adjustable moving blade device as described in the above embodiments, the elastic member 13 can compensate for the amount of wear so as to allow the moving blade 15 to contact the fixed blade 50. The driving rod 12 can move back and forth along the axis of the driving rod by rotating the nut 14, so that the movable blade 15 can move back by a sufficient distance under the pushing of the fixed blade 50, and further, the movable blade 15 and the fixed blade 50 have sufficient pressure when being matched, so that the sewing thread can be cut off smoothly, the shearing quality is ensured, and the pressure between the movable blade 15 and the fixed blade 50 can be adjusted conveniently. In addition, the elastic member 13 can compensate for the loosening amount of the components.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. The adjustable moving knife device is characterized by comprising
The movable blade assembly comprises a seat plate, a transmission rod, an elastic part, a nut and a movable blade, wherein the transmission rod is arranged on the seat plate in a sliding mode, a limiting table and an external thread are arranged on the transmission rod, the elastic part is located between the limiting table and the seat plate, the nut is sleeved on the transmission rod and matched with the external thread on the transmission rod, the movable blade is connected to the end portion of the transmission rod, and the nut, the elastic part, the limiting table and the movable blade are sequentially arranged along the transmission rod;
the driving mechanism comprises a first mounting plate and a driving piece arranged on the first mounting plate, and the driving piece is connected with the seat plate and can drive the seat plate to move.
2. The adjustable moving blade device according to claim 1, wherein a first fastening member is disposed on one end of the transmission rod away from the moving blade, a gasket is disposed between a head of the first fastening member and an end surface of the transmission rod, and a width of the gasket is greater than a width of the transmission rod.
3. The adjustable moving blade device according to claim 1, wherein the driving member is configured as an air cylinder.
4. The adjustable moving blade device according to claim 1, wherein one of the moving blade and the seat plate is provided with a guide slot, and the other of the moving blade and the seat plate is provided with a guide portion, and the guide portion extends into the guide slot.
5. The adjustable moving blade device according to claim 1 wherein the driving member has a second mounting plate thereon, and the seat plate is connected to the second mounting plate by a positioning bolt.
6. The adjustable moving blade device according to claim 5 wherein the second mounting plate is provided with a threaded hole for engaging with a positioning bolt, the seat plate is provided with a through hole for passing the rod portion of the positioning bolt therethrough, the length of the through hole along the axial direction of the driving rod is greater than the diameter of the rod portion of the positioning bolt, and the rod portion of the positioning bolt passes through the through hole and is threadedly disposed in the threaded hole.
7. The sewing machine is characterized by comprising a sewing machine and the adjustable movable blade device as claimed in any one of claims 1 to 6, wherein the sewing machine is provided with a fixed blade and the adjustable movable blade device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920922868.5U CN210975110U (en) | 2019-06-18 | 2019-06-18 | Adjustable movable cutter device and sewing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920922868.5U CN210975110U (en) | 2019-06-18 | 2019-06-18 | Adjustable movable cutter device and sewing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210975110U true CN210975110U (en) | 2020-07-10 |
Family
ID=71445077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920922868.5U Active CN210975110U (en) | 2019-06-18 | 2019-06-18 | Adjustable movable cutter device and sewing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210975110U (en) |
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2019
- 2019-06-18 CN CN201920922868.5U patent/CN210975110U/en active Active
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