CN108998881B - Signal gram control device - Google Patents
Signal gram control device Download PDFInfo
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- CN108998881B CN108998881B CN201810893875.7A CN201810893875A CN108998881B CN 108998881 B CN108998881 B CN 108998881B CN 201810893875 A CN201810893875 A CN 201810893875A CN 108998881 B CN108998881 B CN 108998881B
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- signal
- gram
- horizontal
- groove
- signal gram
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/32—Cam systems or assemblies for operating knitting instruments
- D04B15/36—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention provides a signal gram control device which has both upward and downward movement and left and right movement, ensures a larger needle pressing width and ensures that the pushing depth of a sinker is convenient to adjust. The signal gram cam group comprises a pair of needle selecting cams and a signal gram cam, the two signal gram cams are respectively positioned on two sides of a central shaft of the signal gram cam in the length direction, each pair of needle selecting cams are respectively positioned on two outer sides of the two ends of the signal gram cam in the length direction, specifically, an outer needle selecting cam and an inner needle selecting cam, first guide grooves are respectively formed in the positions of the signal gram cam corresponding to the needle selecting cams, the first guide grooves are perpendicular to the length direction of the signal gram cam, and first driving grooves are respectively formed in the positions of the upper portions of the control slide corresponding to the outer needle selecting cams.
Description
Technical Field
The invention relates to the technical field of computerized flat knitting machine mechanisms, in particular to a signal gram control device.
Background
The sinker device is an important part on the flat knitting machine and mainly comprises a driving mechanism, a transmission mechanism and a sinker cam, wherein the driving mechanism drives the sinker cam to reciprocate through the transmission mechanism. The sinker is pushed by the pushing surface of the letter triangle which moves reciprocally to carry out the line pressing work. The existing signal gram device is divided into an uplink structure, a downlink structure and a left-right structure. The existing uplink and downlink signal gram device has the defects that the needle pressing width (twill surface) is only 25mm, and the phenomenon of latch needle yarn clamping can occur when the device is applied to coarse needle knitting; the existing left-right line sinker device increases the width of the pressing needle to 50mm, but the depth of the sinker is fixed by pushing the sinker, the depth of the sinker can be adjusted only by manually disassembling a connecting mechanism between the sinker device and the sinker, and the consistency of the depth of the sinker is difficult to ensure. The prior art signal gram devices have the following drawbacks: the sinker device cannot have the advantages of two structures of up-down and left-right, namely, the sinker pushing depth can not be ensured to be adjustable while the larger needle pressing width is ensured.
The working state of the existing signal gram device does not have a needle selection state, and in practice, the application range is narrow.
Disclosure of Invention
Aiming at the problems, the invention provides a signal gram control device which has both upward and downward movement and left and right movement, ensures a larger needle pressing width and ensures that the pushing depth of a sinker is convenient to adjust; and the needle selection state is provided, so that the application range of the whole device is wide.
A signal gram control device, characterized in that: the signal gram cam group comprises a transmission mechanism, a control slide bar, a signal gram fixed plate and two signal gram cam groups, wherein the signal gram cam groups comprise a pair of signal gram cams and a signal gram cam, the two signal gram cam groups are respectively arranged at two sides of a central shaft of the signal gram fixed plate in the length direction, each pair of signal gram cams is respectively arranged at the outer parts of two ends of the signal gram cams in the length direction, specifically comprises an outer side signal gram cam and an inner side signal gram cam, the positions of the signal gram fixed plate corresponding to the signal gram cams are respectively provided with a first guide groove, the first guide grooves are arranged perpendicular to the length direction of the signal gram fixed plate, the upper parts of the control slide bar corresponding to the outer side signal gram cams are respectively provided with a first driving groove, the first driving grooves comprise an inner end horizontal guide part, an inclined transition guide part and an outer end horizontal guide part, at least one part penetrating through the first driving groove is positioned in the first driving groove, the control slide bar corresponds to the two inner side needle cams, the first guide grooves are respectively provided with a first guide groove corresponding to the two inclined transition part, the two control slide bar corresponds to the two horizontal transition part is arranged at least one horizontal transition part corresponding to the two horizontal guide part of the signal gram fixed plate, the two inclined part is arranged at the two inclined part corresponding to the two horizontal transition part of the horizontal guide part corresponding to the two horizontal guide part of the signal gram fixed plate, the horizontal part is arranged at the upper part corresponding to the horizontal transition part of the horizontal part corresponding to the horizontal part of the signal gram fixed part, the upper end connecting piece of each group of signal gram triangle penetrates through the horizontal guide groove at the corresponding position and then is arranged in the horizontal driving long groove, and a reset torsion spring is arranged in the horizontal direction of the signal gram triangle; the transmission mechanism is specifically a rack, a rack connecting block is fixedly connected to the upper end face of the central area of the control slide bar, and a rack is fixedly connected to the upper side of the rack connecting block.
It is further characterized by:
the length of the middle horizontal guiding part is equal to that of the outer horizontal guiding part, so that two pairs of needle selecting cams can synchronously advance without interference;
the upper end external connection piece comprises an upper sliding block, a lower small section of the upper sliding block penetrates through the first guide groove and is fixedly connected with the needle selection cam, a first bearing is fixedly connected to the upper end face of the upper sliding block, and an outer ring of the first bearing is arranged in the first drive groove or the second drive groove to ensure that each needle selection cam follows a guide action when the sliding strip is controlled to move;
two sections of horizontal guide grooves are formed in the length area of each signal gram fixing plate corresponding to each signal gram triangle, the two sections of horizontal guide grooves are respectively an outer horizontal guide groove and an inner horizontal guide groove, a first cushion block and a first sliding block are fixedly connected to the positions of the outer horizontal guide groove and the middle area of the inner horizontal guide groove corresponding to the horizontal driving long groove, the first sliding block is arranged in the horizontal driving long groove, an outer upper convex sliding block and an inner upper convex sliding block are respectively arranged at the positions of the signal gram triangle corresponding to the outer horizontal guide groove and the inner horizontal guide groove, an outer pressing plate is fixedly connected to the outer upper convex sliding block, an inner pressing plate is fixedly connected to the inner upper convex sliding block, an inner reset torsion spring is arranged at the outer end of the inner pressing plate and the inner end of the first cushion block, the whole inner reset torsion spring is fixedly arranged at the upper end of the corresponding position of the signal gram fixing plate, a pressing groove is formed in the outer pressing plate, one side of the pressing groove is provided with a connecting rod through a rotating shaft, one end of the connecting rod is clamped in the corresponding pressing groove, the other end of the connecting rod is propped against one end of the outer torsion spring, and the other end of the connecting rod is positioned in the two reset triangle groups, and the two reset torsion springs can be positioned outside the reset triangle grooves;
the rotating shaft is positioned at the other end of the connecting rod and sleeved with a second bearing, and two end stop bulges are arranged at the corresponding positions of the control sliding strip facing the outer ring of the second bearing, and ensure that the horizontal movement of the whole structure is reliable and accurate;
the outer side of the signal gram fixing plate, which corresponds to each outer side needle selecting triangle, is also provided with a corresponding restoring triangle, so that accurate and reliable positioning is ensured;
the signal gram fixing plate is connected with fixing seats respectively arranged on two sides of the length direction through vertical screws, the fixing seats are positioned above the control sliding strip, and the vertical screws penetrate through the first cushion block and the first sliding block at corresponding positions and are fixedly connected with the fixing seats.
After the invention is adopted, when the sinker is used, the rack is driven, the driving control slide bar slides on the sinker fixing plate Fang Wangfu, the first driving groove drives the outer needle selecting cam to slide along the first guiding groove, meanwhile, the second driving groove drives the inner needle selecting cam to slide along the second guiding groove, so that two pairs of needle selecting cams are driven to alternately and repeatedly move vertically, the sinker depth is driven by adjusting the shapes and angles of the first guiding groove, the first driving groove and the second driving groove, and when the needle selecting cam moves vertically, the sinker cam is driven by the horizontal driving long groove to move horizontally along the horizontal guiding groove, after the driving force of the horizontal driving long groove contacts, the sinker cam at the corresponding position is driven by the reset torsion spring to horizontally reset, and when the sinker cam at the other side is driven again, so repeatedly, each time, the sinker cam group at one side jointly acts to drive the sinker, so that the sinker needle pressing width is increased, and the sinker needle pressing width is large and the sinker pushing depth is easy to adjust are provided; the needle selecting device has a needle selecting state, so that the application range of the whole device is wide.
Drawings
FIG. 1 is a schematic view of a partial exploded view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the bottom view of the present invention;
the names corresponding to the serial numbers in the figures are as follows:
the control slide bar 1, the signal gram fixing plate 2, the signal gram cam 3, the outer needle selecting cam 4, the inner needle selecting cam 5, the first guide groove 6, the first driving groove 7, the inner end horizontal guide part 71, the inclined transition guide part 72, the outer end horizontal guide part 73, the second driving groove 8, the middle horizontal guide part 81, the side inclined transition guide part 82, the outer side horizontal guide part 83, the horizontal driving long groove 9, the rack 10, the rack connecting block 11, the upper sliding block 12, the first bearing 13, the outer horizontal guide groove 14, the inner horizontal guide groove 15, the first cushion block 16, the first sliding block 17, the outer upper convex sliding block 18, the inner upper convex sliding block 19, the outer pressing plate 20, the inner pressing plate 21, the inner reset torsion spring 22, the pressing groove 23, the rotating shaft 24, the connecting rod 25, the outer reset torsion spring 26, the reset cam 27, the vertical screw 28, the fixing seat 29, the second bearing 30 and the stop boss 31.
Detailed Description
A signal gram control device, see fig. 1-3: which comprises a transmission mechanism, a control slide bar 1, a signal gram fixed plate 2 and two signal gram triangle groups, wherein the signal gram triangle groups comprise a pair of needle selecting cams and a signal gram triangle 3, the two signal gram triangle groups are respectively arranged at two sides of a central shaft of the signal gram fixed plate 2 in the length direction, each pair of needle selecting cams are respectively arranged at the outer parts of two ends of the signal gram triangle in the length direction, in particular to an outer needle selecting cam 4 and an inner needle selecting cam 5, the position of the signal gram fixed plate 2 corresponding to the needle selecting cams is respectively provided with a first guide groove 6, the first guide groove 6 is arranged perpendicular to the length direction of the signal gram fixed plate 2, the upper part of the control slide bar 1 corresponding to the outer needle selecting cam 4 is respectively provided with a first driving groove 7, the first driving groove 7 comprises an inner end horizontal guide part 71, an oblique transition guide part 72 and an outer end horizontal guide part 73, at least one part of the upper external connection piece of the two outer needle selection cams 4 penetrating through the first guide groove 6 is positioned in the first drive groove 7, a second drive groove 8 is arranged at the upper area of the control slide 1 corresponding to the two inner needle selection cams 5, the second drive groove 8 comprises a middle horizontal guide part 81, two side inclined transition guide parts 82 and two outer horizontal guide parts 83, each side inclined transition guide part 82 and the corresponding side inclined transition guide part 72 are symmetrically arranged about the middle vertical plane of the two sections, at least one part of the upper external connection piece of the two inner needle selection cams 5 penetrating through the first guide groove 6 is positioned in the second drive groove 8, at least one horizontal guide groove is arranged at the upper part of the control slide 1 corresponding to the signal gram cams 3, one horizontal drive long groove 9 is arranged at the upper part of the control slide 1 corresponding to the signal gram cams 3, the upper end connecting piece of each group of signal gram triangle 3 penetrates through the horizontal guide groove at the corresponding position and then is arranged in the horizontal driving long groove 9, and a reset torsion spring is arranged in the horizontal direction of the signal gram triangle 3; the transmission mechanism is specifically a rack 10, a rack connecting block 11 is fixedly connected to the upper end face of the central area of the control slide bar 1, and the rack 10 is fixedly connected to the upper side of the rack connecting block 11.
The length of the middle horizontal guiding part 81 is equal to that of the outer horizontal guiding part 73, so that the two pairs of needle selecting cams can synchronously travel without interference;
the upper end external connector comprises an upper sliding block 12, a lower small section of the upper sliding block 12 penetrates through the first guide groove 6 and is fixedly connected with the needle selection cams, a first bearing 13 is fixedly connected to the upper end face of the upper sliding block 12, and an outer ring of the first bearing 13 is arranged in the first driving groove 7 or the second driving groove 8 to ensure that each needle selection cam follows a guide action when the sliding strip 1 is controlled to move;
two sections of horizontal guide grooves are formed in the length area of each signal gram fixing plate 2 corresponding to each signal gram triangle 3, namely an outer horizontal guide groove 14 and an inner horizontal guide groove 15, a first cushion block 16 and a first sliding block 17 are fixedly connected to the positions of the middle areas of the outer horizontal guide grooves 14 and the inner horizontal guide grooves 15 corresponding to the horizontal driving long grooves 9, the first sliding block 17 is arranged in the horizontal driving long grooves 9, an outer protruding sliding block 18 and an inner protruding sliding block 19 are respectively arranged at the positions of the signal gram triangle 3 corresponding to the outer horizontal guide grooves 14 and the inner horizontal guide grooves 15, an outer pressing plate 20 is fixedly connected to the outer protruding sliding block 18, an inner pressing plate 21 is fixedly connected to the inner protruding sliding block 19, an inner reset torsion spring 22 is arranged at the outer end of the inner pressing plate 21 and the inner end of the first cushion block 16, a pressing groove 23 is formed in the outer pressing plate 20, a connecting rod 25 is arranged on one side of the pressing groove 23 through a rotating shaft 24, one end of the connecting rod 25 is clamped in the corresponding pressing groove 23, the other end of the connecting rod 25 is propped against the corresponding pressing groove 23, one end of the torsion spring 26 is positioned outside the torsion spring 16, and the other end of the connecting rod is positioned outside the two sets of torsion springs 16 can be positioned outside the reset triangle groups;
the combination of the outer needle selecting triangle 4 and the inner needle selecting triangle 5 can form three working states: the needle selection cam 4 at the outer side and the needle selection cam 5 at the inner side do not select needles; the outer needle selecting cam 4 does not select needles, and the inner needle selecting cam 5 selects needles; and c, the needle selection triangle 4 at the outer side and the needle selection triangle 5 at the inner side are not selected, and the needle selection triangle is in a non-needle selection state, so that the application range of the whole device is wide.
The rotating shaft 24 is positioned at the other end of the connecting rod 25 and sleeved with a second bearing 30, and two end stop bulges 31 are arranged at corresponding positions of the outer ring of the second bearing 30, which control the sliding strip 1, and the two end stop bulges 31 ensure that the horizontal movement of the whole structure is reliable and accurate;
the outer side of the signal gram fixing plate 2 corresponding to each outer side needle selecting triangle 4 is also provided with a corresponding restoring triangle 27, so that accurate and reliable positioning is ensured;
the signal gram fixing plate 2 is connected with fixing seats 29 respectively arranged on two sides of the length direction through vertical screws 28, the fixing seats 29 are positioned above the control slide bar 1, and the vertical screws 28 penetrate through the first cushion block 16 and the first sliding block 17 at corresponding positions and are fixedly connected with the fixing seats 29.
The working principle is as follows: when the sinker is used, the rack is driven by an external motor, the driving control slide bar slides on the sinker fixing plate Fang Wangfu, the first driving groove drives the outer needle selecting cam to slide along the first guiding groove, meanwhile, the second driving groove drives the inner needle selecting cam to slide along the second guiding groove, so that two pairs of needle selecting cams are driven to alternately and repeatedly move in the vertical direction, the sinker depth is pushed by adjusting the shapes and angles of the first guiding groove, the first driving groove and the second driving groove, the sinker cam is driven to horizontally move along the horizontal guiding groove by the horizontal driving long groove when the needle selecting cam vertically moves, the sinker cam at the corresponding position is horizontally reset by the reset torsion spring after the driving force of the horizontal driving long groove contacts, and the sinker cam at the other side is pushed again when the sinker cam is pushed, so the sinker cam is repeatedly pushed by the combined action of the sinker cam group at one side each time, so that the sinker needle pressing width is increased, and the sinker pushing depth is easy to adjust.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications made in accordance with the scope of the present invention shall fall within the scope of the present patent.
Claims (5)
1. A signal gram control device, characterized in that: the signal gram cam group comprises a transmission mechanism, a control slide bar, a signal gram fixed plate and two signal gram cam groups, wherein the signal gram cam groups comprise a pair of signal gram cams and a signal gram cam, the two signal gram cam groups are respectively arranged at two sides of a central shaft of the signal gram fixed plate in the length direction, each pair of signal gram cams is respectively arranged at the outer parts of two ends of the signal gram cams in the length direction, specifically comprises an outer side signal gram cam and an inner side signal gram cam, the positions of the signal gram fixed plate corresponding to the signal gram cams are respectively provided with a first guide groove, the first guide grooves are arranged perpendicular to the length direction of the signal gram fixed plate, the upper parts of the control slide bar corresponding to the outer side signal gram cams are respectively provided with a first driving groove, the first driving grooves comprise an inner end horizontal guide part, an inclined transition guide part and an outer end horizontal guide part, at least one part penetrating through the first driving groove is positioned in the first driving groove, the control slide bar corresponds to the two inner side needle cams, the first guide grooves are respectively provided with a first guide groove corresponding to the two inclined transition part, the two control slide bar corresponds to the two horizontal transition part is arranged at least one horizontal transition part corresponding to the two horizontal guide part of the signal gram fixed plate, the two inclined part is arranged at the two inclined part corresponding to the two horizontal transition part of the horizontal guide part corresponding to the two horizontal guide part of the signal gram fixed plate, the horizontal part is arranged at the upper part corresponding to the horizontal transition part of the horizontal part corresponding to the horizontal part of the signal gram fixed part, the upper end connecting piece of each group of signal gram triangle penetrates through the horizontal guide groove at the corresponding position and then is arranged in the horizontal driving long groove, and a reset torsion spring is arranged in the horizontal direction of the signal gram triangle; the transmission mechanism is specifically a rack, a rack connecting block is fixedly connected to the upper end face of the central area of the control slide bar, and a rack is fixedly connected above the rack connecting block;
the length of the middle horizontal guiding part is equal to that of the outer end horizontal guiding part;
each signal gram fixed plate corresponds to each signal gram triangle, two sections of horizontal guide grooves are formed in the length area of each signal gram triangle, each signal gram fixed plate is an outer horizontal guide groove and an inner horizontal guide groove, a first cushion block and a first sliding block are fixedly connected to the middle area of each outer horizontal guide groove and the middle area of each inner horizontal guide groove corresponding to the position of each horizontal driving long groove, the first sliding blocks are located in the corresponding horizontal driving long grooves, an outer upper protruding sliding block and an inner upper protruding sliding block are respectively arranged at the positions of each signal gram triangle corresponding to the outer horizontal guide grooves and the inner horizontal guide grooves, an outer pressing plate is fixedly connected to the outer upper protruding sliding blocks, an inner pressing plate is fixedly connected to the inner protruding sliding blocks, an inner reset torsion spring is arranged at the outer end of each inner pressing plate and the inner end of each first cushion block, a pressing groove is formed in the outer pressing plate, one side of each pressing groove is provided with a connecting rod, one end of each connecting rod is clamped in the corresponding pressing groove, one end of each connecting rod is propped against one end of the corresponding pressing groove, and one end of each torsion spring is positioned outside the corresponding positioning groove.
2. A signal-gram control apparatus as claimed in claim 1 wherein: the upper end external connecting piece comprises an upper sliding block, a lower small section of the upper sliding block penetrates through the first guide groove and then is fixedly connected with the needle selecting triangle, a first bearing is fixedly connected to the upper end face of the upper sliding block, and an outer ring of the first bearing is arranged in the first driving groove or the second driving groove.
3. A signal-gram control apparatus as claimed in claim 1 wherein: the rotating shaft is positioned at the other end of the connecting rod and sleeved with a second bearing, and two end stop bulges are arranged at the corresponding positions of the control sliding strip, which face the outer ring of the second bearing.
4. A signal-gram control apparatus as claimed in claim 1 wherein: the signal gram fixed plate is also provided with corresponding return cams corresponding to the outer sides of each outer needle selecting cam.
5. A signal-gram control apparatus as claimed in claim 1 wherein: the signal gram fixing plate is connected with fixing seats respectively arranged on two sides of the length direction through vertical screws, the fixing seats are positioned above the control sliding strip, and the vertical screws penetrate through the first cushion block and the first sliding block at corresponding positions and are fixedly connected with the fixing seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893875.7A CN108998881B (en) | 2018-08-08 | 2018-08-08 | Signal gram control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893875.7A CN108998881B (en) | 2018-08-08 | 2018-08-08 | Signal gram control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108998881A CN108998881A (en) | 2018-12-14 |
| CN108998881B true CN108998881B (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810893875.7A Active CN108998881B (en) | 2018-08-08 | 2018-08-08 | Signal gram control device |
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| Country | Link |
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| CN (1) | CN108998881B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537154B (en) * | 2019-01-16 | 2023-09-12 | 宁波博日机械有限公司 | Letter gram device of computerized flat knitting machine |
| CN110195290B (en) * | 2019-07-01 | 2024-04-05 | 江苏金龙科技股份有限公司 | Signal gram control structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0311564A1 (en) * | 1987-10-08 | 1989-04-12 | Walter Neukomm | Flat bed knitting machine |
| CN203333944U (en) * | 2013-03-22 | 2013-12-11 | 章建伟 | Flat knitting machine sinker device |
| CN204825238U (en) * | 2015-07-30 | 2015-12-02 | 桐乡市强隆机械有限公司 | Adjustable letter gram triangle mechanism that can believe gram device of single dual system flat -bed machine |
| CN106222866A (en) * | 2016-08-29 | 2016-12-14 | 浙江巨福科技有限公司 | A kind of double degree mesh pressing panel |
-
2018
- 2018-08-08 CN CN201810893875.7A patent/CN108998881B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0311564A1 (en) * | 1987-10-08 | 1989-04-12 | Walter Neukomm | Flat bed knitting machine |
| CN203333944U (en) * | 2013-03-22 | 2013-12-11 | 章建伟 | Flat knitting machine sinker device |
| CN204825238U (en) * | 2015-07-30 | 2015-12-02 | 桐乡市强隆机械有限公司 | Adjustable letter gram triangle mechanism that can believe gram device of single dual system flat -bed machine |
| CN106222866A (en) * | 2016-08-29 | 2016-12-14 | 浙江巨福科技有限公司 | A kind of double degree mesh pressing panel |
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| CN108998881A (en) | 2018-12-14 |
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