One-shearing, double-clamping and double-pressing device of flat knitting machine
By designing a double-clamp double-pressure device for flat knitting machines, and utilizing the lever structure of the movable and fixed pressure plates, friction is increased, solving the problem of insecure yarn clamping and achieving stability and reliability in yarn cutting.
Patent Information
- Application Number
- CN202423153937.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing flat knitting machines have simple structures for movable and fixed pressure plates during yarn cutting, which can easily lead to loose yarn clamping and inconvenience in use.
A single-shear double-clamp double-pressure device for flat knitting machines was designed. By cooperating with two movable pressure plates and a fixed pressure plate, the friction is increased to ensure a stable yarn clamping effect. A lever structure for the movable and fixed pressure plates is adopted to achieve stable clamping and shearing of the yarn.
It improves the stability and reliability of yarn clamping, ensures the stability of yarn cutting effect, and avoids the problem of loose yarn clamping.
Smart Images
Figure CN223561822U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of cutting double-clamping double-pressing device of flat knitting machine. BACKGROUND
[0002] The existing flat knitting machine needs to clamp yarn with movable presser and fixed presser when executing cutting, and then cut yarn by blade group, since movable presser and fixed presser are simple in structure, it is easy to cause the situation that yarn cannot be clamped, and it is inconvenient to use. UTILITY MODEL CONTENTS
[0003] In view of the defects of the existing flat knitting machine, the technical problem to be solved by the utility model is to provide a cutting double-clamping double-pressing device which can easily clamp yarn.
[0004] In order to achieve the above purpose, according to one aspect of the utility model, the utility model is realized by the following technical measures:
[0005] A kind of cutting double-clamping double-pressing device of flat knitting machine, comprising: positioning sheet II, movable presser II, fixed presser I and movable presser I are sequentially arranged above the positioning sheet II, one side of the movable presser I and movable presser II is provided with lever I, the lever I is moved to drive the movable presser I and movable presser II to move to cooperate with fixed presser I to press line, movable presser III, fixed presser II and movable presser IV are sequentially arranged below the positioning sheet II, one side of the movable presser III and movable presser IV is provided with lever II, the lever II is moved to drive the movable presser III and movable presser IV to move to cooperate with fixed presser II to press line.
[0006] Further, positioning sheet III and blade group are arranged below the movable presser IV, the blade group comprises upper blade and lower blade, the positioning sheet III is fixed with the upper blade of blade group, the upper blade and the lower blade are hinged to each other, and the function of cutting line is realized.
[0007] Further, positioning sheet I and pressing plate are further arranged above the movable presser I, bolt sleeve hole corresponding in position is formed in the movable presser and positioning sheet II, bolt sleeve is arranged in the bolt sleeve hole, one end of the bolt sleeve is abutted with positioning sheet III, and the bolt sleeve passes through movable presser IV, movable presser III, movable presser II and movable presser I from bottom to top in sequence and abuts below positioning sheet I, and bolt passes through pressing plate, positioning sheet I, bolt sleeve, positioning sheet III and blade group from top to bottom in sequence and is locked.
[0008] Further, one end of the fixed pressing piece is provided with a pressing part, the pressing part of the fixed pressing piece I and the fixed pressing piece II are oppositely arranged, the other end of the fixed pressing piece is provided with a semicircular groove, the outer edge of the semicircular groove is provided with a chamfer, the semicircular groove of the fixed pressing piece is in abutment with the bolt sleeve, the other side of the bolt sleeve in abutment with the fixed pressing piece I and the fixed pressing piece II is respectively provided with a supporting piece I and a supporting piece II, one side of the supporting piece is provided with an arc-shaped groove, the other side is provided with a lever slot I, the lever slot I is strip-shaped and horizontally arranged in the supporting piece, the edge of the arc-shaped groove is provided with a chamfer, and the arc-shaped groove is in abutment with the bolt sleeve.
[0009] Further, a fixed hole is arranged at the middle position of the fixed pressing piece, positioning holes are arranged on the positioning piece I and the positioning piece II, a guide groove is arranged on the movable pressing piece, the guide groove is strip-shaped and longitudinally arranged in the movable pressing piece, a fixed column hole is arranged on the positioning piece III, the fixed column hole of the positioning piece III corresponds to the positioning holes of the positioning piece I and the positioning piece II, the guide groove of the movable pressing piece and the fixed hole of the fixed pressing piece correspond in position, and a fixed column is fixed in the fixed column hole of the positioning piece III, the fixed column passes through the guide groove of the movable pressing piece from bottom to top, and the fixed hole of the fixed pressing piece and the positioning holes of the positioning piece I and the positioning piece II are to the side of the pressing plate.
[0010] Further, one end of the movable pressing piece corresponding to the pressing part of the fixed pressing piece is provided with a lever head, the lever head is obtuse-angled, the lever head direction of the movable pressing piece I and the movable pressing piece II is opposite to the lever head direction of the movable pressing piece III and the movable pressing piece IV, a lever slot II is arranged at the position corresponding to the lever slot I of the supporting piece, and the lever slot II is strip-shaped and horizontally arranged in the movable pressing piece.
[0011] Further, a positioning groove is arranged at the position corresponding to the pressing part of the fixed pressing piece of the positioning piece, and a bevel is arranged at the entrance of the positioning groove.
[0012] Further, the movable pressing piece III and the movable pressing piece IV are fixed after being clamped and adhered to the fixed pressing piece II and the supporting piece II with a fixed pin, the supporting piece II connects the movable pressing piece III and the movable pressing piece IV, so that the movable pressing piece III and the movable pressing piece IV remain parallel and integrally rotate, and when cooperating with the fixed pressing piece II, the two pieces can press the yarn upward and downward together; the movable pressing piece I and the movable pressing piece II are fixed after being clamped and adhered to the fixed pressing piece I and the supporting piece I with a fixed pin, the supporting piece I connects the movable pressing piece I and the movable pressing piece II, so that the movable pressing piece I and the movable pressing piece II remain parallel and integrally rotate, and when cooperating with the fixed pressing piece I, the two pieces can press the yarn upward and downward together.
[0013] Compared with the prior art, the utility model has the advantages that two movable wire pressing sheets cooperate with one fixed wire pressing sheet to increase the friction force of mutual action after clamping, thereby increasing the clamping degree, and the clamping effect is more stable after the wire pressing sheet is pressed. BRIEF DESCRIPTION OF DRAWINGS
[0014] The accompanying drawings, which form a part of this application, are intended to provide further understanding of the application and are incorporated herein for a purpose of explanation and are not intended to limit the application. In the drawings:
[0015] Figure 1 It is a structure schematic diagram of a cutting, clamping and pressing device of a flat knitting machine.
[0016] Figure 2 It is an explosion schematic diagram of a cutting, clamping and pressing device of a flat knitting machine.
[0017] The accompanying drawings, which form a part of this application, are intended to provide further understanding of the application and are incorporated herein for a purpose of explanation and are not intended to limit the application. In the drawings: DETAILED DESCRIPTION
[0018] The utility model will be described below in detail with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.
[0019] In the description of the utility model, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0020] Please refer to Figure 1 , Figure 2The cutting and pressing device of the flat knitting machine comprises a positioning sheet II 10, an active pressing sheet II 9, a fixed pressing sheet I 8 and an active pressing sheet I 6 arranged in sequence above the positioning sheet II 10, a push rod I 16 arranged on one side of the active pressing sheet I 6 and the active pressing sheet II 9, the push rod I 16 being moved to drive the active pressing sheet I 6 and the active pressing sheet II 9 to move to cooperate with the fixed pressing sheet I 8 to press the thread, an active pressing sheet III 11, a fixed pressing sheet II 12 and an active pressing sheet IV 14 arranged in sequence below the positioning sheet II 10, a push rod II 17 arranged on one side of the active pressing sheet III 11 and the active pressing sheet IV 14, the push rod II 17 being moved to drive the active pressing sheet III 11 and the active pressing sheet IV 14 to move to cooperate with the fixed pressing sheet II 12 to press the thread.
[0021] The active pressing sheet IV 14 is provided below with a positioning sheet III 15 and a blade group 3, the blade group 3 comprising an upper blade 18 and a lower blade 19, the positioning sheet III 15 being fixed with the upper blade 18 of the blade group 3, and the upper blade 18 and the lower blade 19 being hingedly connected with each other to serve as a thread cutting device.
[0022] The active pressing sheet I 6 is further provided above with a positioning sheet I 5 and a pressing plate 2, bolt sleeve holes 29 corresponding in position are formed in the active pressing sheets (6, 9, 11, 14) and the positioning sheet II 10, a bolt sleeve 20 is arranged in the bolt sleeve holes 29, one end of the bolt sleeve 20 abuts against the positioning sheet III 15, and the bolt sleeve 20 passes through the active pressing sheet IV 14, the active pressing sheet III 11, the active pressing sheet II 9 and the active pressing sheet I 6 in sequence from bottom to top and abuts below the positioning sheet I 5, and a bolt passes through the pressing plate 2, the positioning sheet I 5, the bolt sleeve 20, the positioning sheet III 15 and the blade group 3 in sequence from top to bottom and is locked.
[0023] One end of the fixed pressing sheet (8, 12) is provided with a thread pressing portion 27, the thread pressing portions 27 of the fixed pressing sheet I 8 and the fixed pressing sheet II 12 are arranged in opposite directions, the other end of the fixed pressing sheet (8, 12) is provided with a semicircular groove 33, a chamfer is formed on the outer edge of the semicircular groove 33, the semicircular groove 33 of the fixed pressing sheet (8, 12) abuts against the bolt sleeve 20, the other side of the bolt sleeve 20 abutting against the fixed pressing sheet I 8 and the fixed pressing sheet II 12 is respectively provided with a supporting sheet I 7 and a supporting sheet II 13, an arc-shaped groove 32 is formed on one side of the supporting sheet (7, 13), a push rod slot I 31 is formed on the other side of the supporting sheet (7, 13), the push rod slot I 31 is in strip shape and is horizontally arranged in the supporting sheet (7, 13), a chamfer is formed on the edge of the arc-shaped groove 32, and the arc-shaped groove 32 abuts against the bolt sleeve 20 to increase stability.
[0024] The fixed pressing wire piece (8, 12) is provided with a fixed hole 28 at the middle position, the positioning piece I 5 and the positioning piece II 10 are provided with positioning holes 21, the movable pressing wire piece (6, 9, 11, 14) is provided with a guide groove 25, the guide groove 25 is strip-shaped and longitudinally arranged in the movable pressing wire piece (6, 9, 11, 14), the positioning piece III 15 is provided with a fixed column hole 22, the fixed column hole 22 of the positioning piece III 15 corresponds to the positioning holes 21 of the positioning piece I 5 and the positioning piece II 10, the guide groove 25 of the movable pressing wire piece (6, 9, 11, 14) and the fixed hole 28 of the fixed pressing wire piece (8, 12) correspond in position, the fixed column 1 is fixed in the fixed column hole 22 of the positioning piece III 15, and the fixed column 1 passes through the guide groove 25 of the movable pressing wire piece (6, 9, 11, 14), the fixed hole 28 of the fixed pressing wire piece (8, 12) and the positioning holes 21 of the positioning piece I 5 and the positioning piece II 10 from bottom to top to the side of the pressing plate 2.
[0025] The movable pressing wire piece (6, 9, 11, 14) is provided with a knob 26 at one end corresponding to the pressing wire part 27 of the fixed pressing wire piece (8, 12), the knob 26 is obtuse angle-shaped, the directions of the knobs 26 of the movable pressing wire piece I 6 and the movable pressing wire piece II 9 are opposite to the directions of the knobs 26 of the movable pressing wire piece III 11 and the movable pressing wire piece IV 14, the movable pressing wire piece (6, 9, 11, 14) is provided with a knob groove II 30 at a position corresponding to the knob groove I 31 of the supporting piece (7, 13), the knob groove II 30 is strip-shaped and horizontally arranged in the movable pressing wire piece (6, 9, 11, 14).
[0026] The positioning piece (5, 10, 15) is provided with a positioning groove 23 at a position corresponding to the pressing wire part 27 of the fixed pressing wire piece (8, 12), and a bevel 24 is cut at the entrance of the positioning groove 23.
[0027] The movable pressing wire piece III 11 and the movable pressing wire piece IV 14 are fixed after being clamped and adhered to the fixed pressing wire piece II 12 and the supporting piece II 13 with the fixed pin 4, the supporting piece II 13 connects the movable pressing wire piece III 11 and the movable pressing wire piece IV 14, so that the movable pressing wire piece III 11 and the movable pressing wire piece IV 14 remain parallel and integrally rotate, and when cooperating with the fixed pressing wire piece II 12, the two pieces can be pressed together to the yarn; the movable pressing wire piece I 6 and the movable pressing wire piece II 9 are fixed after being clamped and adhered to the fixed pressing wire piece I 8 and the supporting piece I 7 with the fixed pin 4, the supporting piece I 7 connects the movable pressing wire piece I 6 and the movable pressing wire piece II 9, so that the movable pressing wire piece I 6 and the movable pressing wire piece II 9 remain parallel and integrally rotate, and when cooperating with the fixed pressing wire piece I 8, the two pieces can be pressed together to the yarn.
[0028] The half-round groove 33 of the fixed pressing line piece II 12 and the arc-shaped groove 32 of the supporting piece II 13 are respectively sleeved on the two sides of the bolt sleeve 20, the upper end of the fixed pressing line piece II 12 is attached to the movable pressing line piece III 11, the lower end of the fixed pressing line piece II 12 is attached to the movable pressing line piece IV 14, the shift rod II 17 is sleeved in the shift rod groove II 30 of the movable pressing line piece III 11 and the movable pressing line piece IV 14 and the shift rod groove I 31 of the supporting piece II 13, when the shift rod II 17 moves, the movable pressing line piece III 11, the supporting piece II 13 and the movable pressing line piece IV 14 rotate with the bolt sleeve 20 as the center, the fixed column 1 and the guide groove 25 of the movable pressing line piece III 11 and the movable pressing line piece IV 14 relatively move, the shift rod I 16 is sleeved in the shift rod groove II 30 of the movable pressing line piece I 6 and the movable pressing line piece II 9 and the shift rod groove I 31 of the supporting piece I 7, when the shift rod I 16 moves, the movable pressing line piece I 6, the supporting piece I 7 and the movable pressing line piece II 9 rotate with the bolt sleeve 20 as the center, and the fixed column 1 and the guide groove 25 of the movable pressing line piece I 6 and the movable pressing line piece II 9 relatively move.
[0029] When the one-cut double-clamping double-pressing device of the flat knitting machine is used, the shift rod I moves in the shift rod groove II 30 of the movable pressing line piece I 6 and the movable pressing line piece II 9 and the shift rod groove I 31 of the supporting piece I 7, drives the movable pressing line piece I 6 and the movable pressing line piece II 9 to rotate, the shift rod II 17 moves in the shift rod groove II 30 of the movable pressing line piece III 11 and the movable pressing line piece IV 14 and the shift rod groove I 31 of the supporting piece II 13, drives the movable pressing line piece III 11 and the movable pressing line piece IV 14 to rotate;
[0030] The shift head 26 of the movable pressing line piece (6, 9, 11, 14) drives the yarn to enter the positioning groove 23 of the positioning piece (5, 10, 15), after the shift head 26 of the movable pressing line piece (6, 9, 11, 14) continues to move, the yarn is pushed to touch the pressing line part 27 of the fixed pressing line piece (8, 12), because the upper end and the lower end of the fixed pressing line piece (8, 12) are simultaneously pushed by the movable pressing line piece (6, 9, 11, 14), the yarn is forced to pull and increase the clamping force, the pressing line effect is stable, and the yarn is pressed and cut by the blade group 3.
[0031] The above only describes preferred embodiments of the utility model and is not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A cutting and pressing device for a flat knitting machine, comprising: The positioning sheet II is characterized in that the movable pressing sheet II, the fixed pressing sheet I and the movable pressing sheet I are sequentially arranged above the positioning sheet II, the movable pressing sheet I and the movable pressing sheet II are provided with the push rod I on one side, the movable pressing sheet I and the movable pressing sheet II are moved to cooperate with the fixed pressing sheet I to press the line by moving the push rod I, the movable pressing sheet III, the fixed pressing sheet II and the movable pressing sheet IV are sequentially arranged below the positioning sheet II, the movable pressing sheet III and the movable pressing sheet IV are provided with the push rod II on one side, and the movable pressing sheet III and the movable pressing sheet IV are moved to cooperate with the fixed pressing sheet II to press the line by moving the push rod II.
2. The apparatus according to claim 1, wherein: The movable pressing sheet IV is provided below with the positioning sheet III and the blade group, the blade group comprises the upper blade and the lower blade, the positioning sheet III is fixed with the upper blade of the blade group, the upper blade and the lower blade are hingedly connected, and the function of cutting the line is realized.
3. A device for cutting, clamping and pressing two pieces of fabric in a flat knitting machine according to claim 2, wherein: The movable pressing sheet I is further provided above with the positioning sheet I and the pressing plate, bolt sleeves are arranged in bolt sleeve holes corresponding in position in the movable pressing sheet and the positioning sheet II, one end of the bolt sleeve is abutted against the positioning sheet III, sequentially passes through the movable pressing sheet IV, the movable pressing sheet III, the movable pressing sheet II and the movable pressing sheet I from bottom to top and is abutted against below the positioning sheet I, the bolt sequentially passes through the pressing plate, the positioning sheet I, the bolt sleeve, the positioning sheet III and the blade group from top to bottom and is locked.
4. The device according to claim 3, characterized in that: One end of the fixed pressing sheet is provided with a line pressing part, the line pressing parts of the fixed pressing sheet I and the fixed pressing sheet II are oppositely arranged, the other end of the fixed pressing sheet is provided with a semicircular groove, the outer edge of the semicircular groove is chamfered, the semicircular groove of the fixed pressing sheet is abutted against the bolt sleeve, the other side of the bolt sleeve abutted against the fixed pressing sheet I and the fixed pressing sheet II is respectively provided with the supporting sheet I and the supporting sheet II, the arc-shaped groove is arranged on one side of the supporting sheet, the push rod groove I is arranged on the other side of the supporting sheet, the push rod groove I is in strip shape and is horizontally arranged in the supporting sheet, the edge of the arc-shaped groove is chamfered, and the arc-shaped groove is abutted against the bolt sleeve.
5. A device for cutting, clamping and pressing two pieces of fabric in a flat knitting machine according to claim 4, wherein: The fixed hole is arranged at the middle position of the fixed pressing sheet, the positioning holes are arranged on the positioning sheet I and the positioning sheet II, the guide grooves are arranged in the movable pressing sheet, the guide grooves are in strip shape and are longitudinally arranged in the movable pressing sheet, the fixed column holes are arranged in the positioning sheet III, the fixed column holes of the positioning sheet III correspond to the positioning holes of the positioning sheet I and the positioning sheet II, the guide grooves of the movable pressing sheet and the fixed holes of the fixed pressing sheet, and the fixed column holes of the positioning sheet III are fixed with the fixed column.
6. A device for cutting, clamping and pressing two pieces of fabric in a flat knitting machine according to claim 5, wherein: The end of the line pressing part of the movable pressing sheet and the fixed pressing sheet is provided with the push head, the push head is in obtuse angle shape, the directions of the push heads of the movable pressing sheet I and the movable pressing sheet II are opposite to the directions of the push heads of the movable pressing sheet III and the movable pressing sheet IV, the push rod groove II is arranged at the position corresponding to the push rod groove I of the supporting sheet, and the push rod groove II is in strip shape and is horizontally arranged in the movable pressing sheet.
7. A device for cutting, clamping and pressing two pieces of fabric in a flat knitting machine according to claim 6, wherein: The positioning groove is cut at the entrance of the positioning groove corresponding to the position of the fixed pressure line piece.
8. A device for cutting, clamping and pressing two pieces of fabric in a flat knitting machine according to claim 7, wherein: The movable pressure line piece III and the movable pressure line piece IV are fixed by a fixed pin after clamping and adhering the fixed pressure line piece II and the support piece II in the middle, the support piece II connects the movable pressure line piece III and the movable pressure line piece IV, so that the movable pressure line piece III and the movable pressure line piece IV keep parallel and integrally rotate, and when cooperating with the fixed pressure line piece II, the movable pressure line piece III and the movable pressure line piece IV can press the yarn together; the movable pressure line piece I and the movable pressure line piece II are fixed by a fixed pin after clamping and adhering the fixed pressure line piece I and the support piece I in the middle, the support piece I connects the movable pressure line piece I and the movable pressure line piece II, so that the movable pressure line piece I and the movable pressure line piece II keep parallel and integrally rotate, and when cooperating with the fixed pressure line piece I, the movable pressure line piece I and the movable pressure line piece II can press the yarn together.