CN214882106U - Sinker device of flat knitting machine - Google Patents
Sinker device of flat knitting machine Download PDFInfo
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- CN214882106U CN214882106U CN202120918389.3U CN202120918389U CN214882106U CN 214882106 U CN214882106 U CN 214882106U CN 202120918389 U CN202120918389 U CN 202120918389U CN 214882106 U CN214882106 U CN 214882106U
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- sinker
- triangle
- cam
- knitting machine
- flat knitting
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Abstract
The utility model provides a flat knitting machine's gram device of giving birth to, the horizontal migration of gram control panel under drive mechanism's drive, the front side of gram bottom plate is located to gram main triangle of giving birth to and can remove along guiding hole down under the drive of connecting plate, be equipped with the intermediate action face on the antetheca of gram main triangle of giving birth to, supplementary left side triangle is along first last guiding hole horizontal migration, supplementary left side triangle forms the left side working face, supplementary right side triangle is along guiding hole horizontal migration on the second, supplementary right side triangle forms the right side working face. When the sinker control plate is driven to move left and right by the driving piece of the sinker device of the flat knitting machine, the sinker main cam is driven to move left and right and move up and down, and the auxiliary left cam and the auxiliary right cam always keep horizontal movement, so that a left acting surface and a right acting surface which can reset a rotated sinker are formed on the auxiliary left cam and the auxiliary right cam respectively, the working surface of the sinker device is prolonged, the stroke of the sinker cam is increased, and the sinker cam cannot interfere with a knitting needle when the knitting needle is turned over.
Description
Technical Field
The utility model relates to a flat knitting machine especially relates to a flat knitting machine's sinker device.
Background
The working principle of the existing flat knitting machine is that a knitting needle makes regular lifting motion to enable yarns to complete actions of yarn laying, opening closing, looping, yarn bending, looping and the like, so that the yarns are knitted into a knitted fabric. During the ascending process of the knitting needle, the loops gradually withdraw from the needle hooks and open the needle tongues, the needle tongues are hung on the needle rod, during the descending process of the knitting needle, the needle hooks hook the yarns of the new pad and draw the yarns to form new loops, meanwhile, the original loops are separated from the needle hooks, the new loops are connected with the original loops in series, and a plurality of loops woven by a plurality of knitting needles are mutually connected to form a braided fabric.
In the lifting process of the knitting needle, because friction exists between a needle rod of the knitting needle and a coil and the yarn has elasticity, the coil floats upwards along with the knitting needle, and the smooth operation of the coil withdrawing is influenced. In order to overcome the defects, a sinker device for helping a knitting needle smoothly complete the action of withdrawing the loop is arranged on the flat knitting machine, the sinker device generally comprises a sinker and a sinker cam device directly acting on the sinker, and the sinker rotates up and down under the action of the sinker cam device to realize the function of pressing a coil or yarn when the knitting needle withdraws the loop. The working face length of the traditional sinker device is short, the stroke of the sinker cam is limited, in addition, the universality of the traditional sinker device is poor, the traditional sinker device is difficult to adapt to any machine type, and for a thick-needle machine type, the sinker cam is easy to interfere with a knitting needle when turning over the needle, so that the smooth progress of knitting is influenced. In conclusion, there is a need for further improvement of the sinker device of the existing flat knitting machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to above-mentioned prior art current situation, provide a knitting horizontal machine's sinker device that working stroke is big, can not interfere with the knitting needle when turning over the needle.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: this flat knitting machine's sinker device, its characterized in that includes:
a drive member;
the transmission mechanism is arranged at the driving output end of the driving piece;
the sinker control plate is connected with the transmission mechanism and transversely and horizontally moves under the driving of the transmission mechanism;
the sinker bottom plate is arranged in parallel at the front side of the sinker control plate, a lower guide hole, a first upper guide hole and a second upper guide hole are formed in the sinker bottom plate, the lower guide hole is horizontally arranged and is wave-shaped, and the first upper guide hole and the second upper guide hole are horizontally arranged and are linear;
the connecting plate is arranged in a gap between the sinker control plate and the sinker bottom plate and is connected with the sinker control plate;
the sinker main triangle is arranged on the front side of the sinker bottom plate and connected with the connecting plate, can move along the lower guide hole under the drive of the connecting plate, and the front wall of the sinker main triangle is provided with an intermediate acting surface which can act on a sinker arranged on a needle plate of the flat knitting machine to enable the sinker to rotate;
the auxiliary left triangle is in guiding fit with the upper left corner of the sinker main triangle and can synchronously move with the sinker main triangle and horizontally move along the first upper guide hole, and a left working surface used for resetting the rotated sinker is formed by the auxiliary left triangle facing to the side surface of the sinker main triangle;
supplementary right triangle, with the cooperation of the upper right corner direction of giving birth to gram owner triangle and can with give birth to gram owner triangle synchronous motion, and can follow guiding hole horizontal migration in the second, supplementary right triangle is towards the side formation that gives birth to gram owner triangle and is used for the rotation back the sinker carries out the right side working face that resets.
In order to make supplementary left triangle and supplementary right triangle can be along the last guiding hole steady removal that corresponds still be equipped with left guide block and right guide block in the clearance between sinker control panel and the sinker bottom plate, supplementary left triangle is connected on the left side guide block, supplementary right triangle is connected on the right side guide block, left side guide block slides and sets up in the first guiding hole that goes up, right side guide block slides and sets up in the guiding hole on the second.
Preferably, the front wall of the sinker main triangle is provided with a horizontal track groove, and the lower side surface of the horizontal track groove forms the middle acting surface.
In order to make supplementary left triangle and supplementary right triangle cooperate better and give birth to gram main triangle, the downside of horizontal trajectory groove inclines to extend to form lower left inclined plane, and the downside of horizontal trajectory groove inclines to extend to form lower right inclined plane, the left side working face of supplementary left triangle with the inclined plane is parallel to each other down in a left side, and the left side working face with the last side in horizontal trajectory groove links up mutually, the right side working face of supplementary right triangle with the inclined plane is parallel to each other down in a right side, and the right side working face with the last side in horizontal trajectory groove links up mutually.
Further preferably, the lower guide hole has a W-shaped wave structure.
Can drive the connecting plate and reciprocate relatively gram control panel when playing gram control panel lateral shifting in order to make, the connecting plate is the nature of falling V, it has vertical waist shape hole to open on the gram control panel to play, and the middle part of connecting plate is connected through first roller vertical waist shape hole is last, play to install the second roller on the gram bottom plate, it has horizontal waist shape hole to open on the gram control panel to play, the second roller is located on the horizontal waist shape hole.
In order to make the sinker main cam move more stably, the left side part and the right side part of the connecting plate are connected with the sinker main cam through third rollers, and the third rollers penetrate through the lower guide holes and can roll along the lower guide holes.
The driving part and the transmission mechanism can have multiple structures, preferably, the driving part is a motor, the transmission mechanism comprises a driving gear, a sector gear and a gear row, the driving gear is installed on an output shaft of the motor, the driving gear is meshed with one side of the sector gear, the gear row is meshed with the other side of the sector gear, and the gear row is fixedly connected to the sinker control plate.
Further preferably, the motor installation plate is fixedly connected with the sinker bottom plate through a connecting seat, the motor is installed on the motor installation plate, an output shaft of the motor upwards extends out of the motor installation plate, and the driving gear, the sector gear and the tooth row are arranged above the motor installation plate.
In order to enable the sinker device to have a zero induction function, an inductor seat is installed on the sinker bottom plate, a zero inductor is installed on the inductor seat, and magnetic steel matched with the zero inductor is installed on the tooth row.
Compared with the prior art, the utility model has the advantages of: the sinker device of the flat knitting machine comprises a sinker main triangle, an auxiliary left triangle and an auxiliary right triangle, wherein the auxiliary left triangle and the auxiliary right triangle are arranged on the left side and the right side of the sinker main triangle in a sliding manner, the driving piece drives the sinker control plate to move left and right and can move the sinker main triangle to move up and down while moving left and right, and the auxiliary left triangle and the auxiliary right triangle can slide relative to the sinker main triangle while keeping horizontal movement all the time, so that a left acting surface and a right acting surface which can reset a rotated sinker are respectively formed on the auxiliary left triangle and the auxiliary right triangle, the working surface of the sinker device is prolonged, the stroke of the sinker main triangle is increased, and particularly for a thick knitting machine type, the sinker main triangle cannot interfere with a knitting needle when turning over.
Drawings
Fig. 1 is a schematic structural view of the embodiment of the present invention when the sinker main triangle is in a low position state;
FIG. 2 is an enlarged partial schematic view of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 at another angle;
FIG. 4 is an enlarged partial schematic view of FIG. 3;
FIG. 5 is an exploded perspective view of FIG. 4;
fig. 6 is a schematic structural view of the embodiment of the present invention when the sinker main cam is in a high position state;
fig. 7 is a partially enlarged schematic view of fig. 6.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 7, the sinker device of the flat knitting machine of the present embodiment includes main components such as a driving member, a transmission mechanism 2, a sinker control plate 3, a sinker base plate 4, a connecting plate 5, a sinker main cam 6, an auxiliary left cam 7, an auxiliary right cam 8, a left guide block 9, and a right guide block 10.
Wherein, the driving piece adopts motor 1, and motor mounting panel 14 level sets up and through connecting seat 15 fixed connection on sinker bottom plate 4, and motor 1 installs on motor mounting panel 14, and motor 1's output shaft upwards stretches out in motor mounting panel 14. The transmission mechanism 2 comprises a driving gear 21, a sector gear 22 and a gear row 23, wherein the driving gear 21 is positioned above the motor mounting plate 14, the driving gear 21 is mounted on an output shaft of the motor 1, the driving gear 21 is meshed with one side of the sector gear 22, the gear row 23 is meshed with the other side of the sector gear 22, and the gear row 23 is fixedly connected to the sinker control plate 3. The direction indicated by arrow a in fig. 1 is taken as the right, and the motor 1 drives the gear row 23 to move left and right, so as to drive the sinker control plate 3 to move horizontally.
The sinker bottom plate 4 is positioned at the front side of the sinker control plate 3 and is parallel to the sinker control plate 3, a gap is formed between the sinker bottom plate 4 and the sinker control plate 3, and the sinker bottom plate 4 is provided with a lower guide hole 41, a first upper guide hole 42 and a second upper guide hole 43. The lower guide hole 41 is horizontally arranged and is in a W-shaped wavy structure, the first upper guide hole 42 and the second upper guide hole 43 are both horizontally arranged and are in a linear shape, the inner ends of the first upper guide hole 42 and the second upper guide hole 43 are positioned above the lower guide hole 41, and the outer ends of the first upper guide hole 42 and the second upper guide hole 43 are positioned on the outer side of the lower guide hole 41.
The sinker device of this embodiment includes three sets of sinker cams which are spaced apart along the longitudinal direction of the sinker base plate 4. Each group of sinker triangles comprises a sinker main triangle 6, an auxiliary left triangle 7 and an auxiliary right triangle 8, and the sinker main triangle 6, the auxiliary left triangle 7 and the auxiliary right triangle 8 are all arranged on the front side of the sinker bottom plate 4. Taking the direction indicated by the arrow B in fig. 4 as the left side, the auxiliary left triangle 7 is in guiding fit with the upper left corner of the sinker main triangle 6, that is, the auxiliary left triangle 7 can slide relative to the sinker main triangle 6, and the auxiliary right triangle 8 is in guiding fit with the upper right corner of the sinker main triangle 6, that is, the auxiliary right triangle 8 can slide relative to the sinker main triangle 6. The auxiliary left triangle 7 and the sinker main triangle 6 and the auxiliary right triangle 8 and the sinker main triangle 6 are all guided and matched structures through guide grooves and guide ribs, the guided and matched structures are conventional structures, and a description is omitted here.
The connecting plate 5 of this embodiment is in an inverted V shape and is disposed in the gap between the sinker control plate 3 and the sinker bottom plate 4, i.e., the tip of the connecting plate 5 is upward. The sinker control plate 3 is provided with a vertical waist-shaped hole 31, and the middle part of the connecting plate 5 is connected to the vertical waist-shaped hole 31 through a first roller 11. The left and right side parts of the connecting plate 5 are connected with the sinker main cam 6 through the third rollers 13, and the third rollers 13 pass through the lower guide holes 41 and can roll along the lower guide holes 41, so that the sinker main cam 6 can move along the lower guide holes 41 under the driving of the connecting plate 5. In addition, the sinker bottom plate 4 is provided with the second roller 12, the sinker control plate 3 is provided with the horizontal waist-shaped holes 32 which are horizontally distributed, the second roller 12 is arranged on the horizontal waist-shaped holes 32, and when the sinker control plate 3 moves left and right relative to the sinker bottom plate 4, the second roller 12 is always limited in the horizontal waist-shaped holes 32, so that the sinker control plate 3 can be ensured to always move horizontally.
The left guide block 9 and the right guide block 10 are provided in the gap between the sinker control plate 3 and the sinker base plate 4, and the left guide block 9 is slidably provided in the first upper guide hole 42 and the right guide block 10 is slidably provided in the second upper guide hole 43. The auxiliary left cam 7 is connected with the left guide block 9 through a screw 19, and the auxiliary right cam 8 is connected with the right guide block 10 through a screw 19. Since the left and right guide blocks 9 and 10 can be horizontally moved only along the first and second upper guide holes 42 and 43, the left and right auxiliary cams 7 and 8 can be surely moved in the horizontal direction.
As shown in fig. 4 and 7, a horizontal path groove 60 is formed in the front wall of the sinker cam 6, an intermediate acting surface 61 is formed on the lower side surface of the horizontal path groove 60, and the intermediate acting surface 61 is used to act on a sinker (not shown) attached to a needle plate of a flat knitting machine to rotate the sinker. The intermediate working surface 60 extends obliquely to the lower left to form a lower left inclined surface 62, and the intermediate working surface 60 extends obliquely to the lower right to form a lower right inclined surface 63. The side surface of the auxiliary left cam 7 facing the sinker main cam 6, i.e. the right side surface of the auxiliary left cam 7, forms a left working surface 71, the left working surface 71 is parallel to the left lower inclined surface 62, and the left working surface 71 is connected with the upper side surface of the horizontal track groove 60. The side of the auxiliary right triangle 8 facing the sinker main triangle 6, i.e. the left side of the auxiliary right triangle 8, forms a right working surface 81, the right working surface 81 is parallel to the lower right inclined surface 63, and the right working surface 81 is connected to the upper side of the horizontal track groove 60. The left and right running surfaces 71, 81 serve to reset the rotating sinker.
In addition, the sinker device of the present embodiment further includes a zero position detection mechanism, specifically, an inductor base 16 is mounted on the sinker base plate 4, a zero position inductor 17 is mounted on the inductor base 16, and a magnetic steel 18 matched with the zero position inductor 17 is mounted on the rack 23.
The working process of the sinker device is as follows: in an initial state, as shown in fig. 1, when the magnetic steel 18 is located at a sensing position below the zero sensor 17, the zero sensor 17 outputs a corresponding signal to a controller (not shown) of the flat knitting machine, and at this time, the sinker cam 6 is at a low position, that is, at a lowest position of the lower guide hole 41. When the sinker control mechanism works, the motor 1 drives the sinker control plate 3 to move left and right through the transmission mechanism 2, the sinker control plate 3 drives the sinker main cam 6 to move along the wavy lower guide hole 41 through the connecting plate 5, namely, the sinker main cam 6 moves upwards relative to the sinker bottom plate 4, and in the moving process of the sinker main cam 6, the middle acting surface 61 of the sinker main cam 6 acts on the sinker to enable the sinker to rotate. Meanwhile, taking the illustration of the present embodiment as an example, under the driving of the sinker main cam 6, the auxiliary left cam 7, the auxiliary right cam 8 and the sinker main cam 6 move leftward relative to the sinker base plate 4, that is, move from the position shown in fig. 4 to the position shown in fig. 7, and in the process of the relative movement between the auxiliary left cam 7, the auxiliary right cam 8 and the sinker main cam 6, the left acting surface 71 and the right acting surface 81 are exposed, and the left acting surface 71 and the right acting surface 81 reset the rotated sinker.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, the present invention can be modified or improved without departing from the principle of the present invention, and these modifications are all considered to be within the protection scope of the present invention.
Claims (10)
1. A sinker device of a flat knitting machine, comprising:
a drive member;
the transmission mechanism (2) is arranged at the driving output end of the driving piece;
the sinker control plate (3) is connected with the transmission mechanism (2) and transversely and horizontally moves under the drive of the transmission mechanism (2);
the sinker bottom plate (4) is arranged on the front side of the sinker control plate (3) in parallel, a lower guide hole (41), a first upper guide hole (42) and a second upper guide hole (43) are formed in the sinker bottom plate (4), the lower guide hole (41) is horizontally arranged and is waved, and the first upper guide hole (42) and the second upper guide hole (43) are both horizontally arranged and are linear;
the connecting plate (5) is arranged in a gap between the sinker control plate (3) and the sinker bottom plate (4) and is connected with the sinker control plate (3);
the sinker main cam (6) is arranged on the front side of the sinker bottom plate (4) and connected with the connecting plate (5), can move along the lower guide hole (41) under the drive of the connecting plate (5), and the front wall of the sinker main cam (6) is provided with an intermediate acting surface (61) which can act on a sinker arranged on a needle plate of the flat knitting machine to enable the sinker to rotate;
the auxiliary left cam (7) is in guiding fit with the upper left corner of the sinker main cam (6), can synchronously move with the sinker main cam (6), and can horizontally move along the first upper guide hole (42), and a left side working surface (71) used for resetting the rotated sinker is formed on the side surface of the auxiliary left cam (7) facing the sinker main cam (6);
the auxiliary right triangle (8) is matched with the upper right corner of the sinker main triangle (6) in a guiding mode and can move synchronously with the sinker main triangle (6), the auxiliary right triangle can move horizontally along the second upper guiding hole (43), and the side face of the auxiliary right triangle (8) facing the sinker main triangle (6) forms a right side working face (81) used for resetting the sinker after rotation.
2. The sinker device for a flat knitting machine according to claim 1, wherein: give birth to and still be equipped with left guide block (9) and right guide block (10) in the clearance between gram control panel (3) and gram bottom plate (4), supplementary left triangle (7) are connected on left side guide block (9), supplementary right triangle (8) are connected on right side guide block (10), left side guide block (9) slide to be set up in first last guiding hole (42), right side guide block (10) slide to be set up in guiding hole (43) on the second.
3. The sinker device for a flat knitting machine according to claim 1, wherein: the front wall of the sinker main triangle (6) is provided with a horizontal track groove (60), and the lower side surface of the horizontal track groove (60) forms the middle acting surface (61).
4. The sinker device for a flat knitting machine according to claim 3, wherein: the downside of horizontal orbit groove (60) inclines to extend to the left downside and forms inclined plane (62) down in a left side, and the downside of horizontal orbit groove (60) inclines to extend to the right downside and forms inclined plane (63) down in the right side, the left side working face (71) of supplementary left triangle (7) with inclined plane (62) is parallel to each other down in a left side, and left side working face (71) with the last side of horizontal orbit groove (60) links up mutually, the right side working face (81) of supplementary right triangle (8) with inclined plane (63) are parallel to each other down in the right side, and right side working face (81) with the last side of horizontal orbit groove (60) links up mutually.
5. The sinker device for a flat knitting machine according to claim 1, wherein: the lower guide hole (41) is in a W-shaped wavy structure.
6. The sinker device for a flat knitting machine according to claim 1, wherein: connecting plate (5) are the nature of falling V, it has vertical waist shape hole (31) to open on gram control panel (3) to give birth to, and the middle part of connecting plate (5) is connected through first roller (11) on vertical waist shape hole (31), install second roller (12) on gram bottom plate (4) give birth to, it has horizontal waist shape hole (32) to open on gram control panel (3) give birth to, second roller (12) are located on horizontal waist shape hole (32).
7. The sinker device for a flat knitting machine according to claim 1, wherein: the left side and the right side of the connecting plate (5) are connected with the sinker main triangle (6) through third rollers (13), and the third rollers (13) penetrate through the lower guide holes (41) and can roll along the lower guide holes (41).
8. The sinker device for a flat knitting machine according to any one of claims 1 to 7, wherein: the driving piece is motor (1), drive mechanism (2) include driving gear (21), sector gear (22) and rack (23), driving gear (21) are installed on the output shaft of motor (1), and one side of driving gear (21) and sector gear (22) meshes mutually, rack (23) and sector gear (22) another side mesh mutually, rack (23) fixed connection be in on sinker control panel (3).
9. The sinker device for a flat knitting machine according to claim 8, wherein: still including motor mounting panel (14), motor mounting panel (14) are through connecting seat (15) and sinker bottom plate (4) fixed connection, install on motor mounting panel (14) motor (1), the output shaft of motor (1) upwards stretch out in motor mounting panel (14), driving gear (21), sector gear (22) and row of teeth (23) are located the top of motor mounting panel (14).
10. The sinker device for a flat knitting machine according to claim 8, wherein: an inductor seat (16) is installed on the sinker bottom plate (4), a zero position inductor (17) is installed on the inductor seat (16), and magnetic steel (18) matched with the zero position inductor (17) is installed on the tooth row (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120918389.3U CN214882106U (en) | 2021-04-29 | 2021-04-29 | Sinker device of flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120918389.3U CN214882106U (en) | 2021-04-29 | 2021-04-29 | Sinker device of flat knitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214882106U true CN214882106U (en) | 2021-11-26 |
Family
ID=78947870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120918389.3U Active CN214882106U (en) | 2021-04-29 | 2021-04-29 | Sinker device of flat knitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214882106U (en) |
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2021
- 2021-04-29 CN CN202120918389.3U patent/CN214882106U/en active Active
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