阅读说明：本技术 一种针织机的提花机构 (Jacquard mechanism of knitting machine ) 是由 许玉桂 涂宣文 于 2020-12-31 设计创作，主要内容包括：本发明公开了一种针织机的提花机构,包括具有针槽的针盘、三角单元、设置在三角单元底部的滑动块、驱动机构、提花片和编织三角,位于编织三角侧面上的T型滑块与位于三角单元侧面上的第二T型滑槽滑动配合,与第二T型滑槽连通的延伸槽内设有顶压弹簧,顶压弹簧在编织三角的T型滑块与三角单元之间,倾斜设置在编织三角上的固定螺栓与三角单元连接,编织三角的底部设有编织轨道,织针复位时织针的上针脚位于编织轨道的弧线段内,提花片的两个下凸齿分别位于针盘的对应的限位槽内,提花片的两个上凸齿分别位于滑动块的对应的限位弧形槽内,提花片前进时推动织针进入编织轨道的波形段。本发明织针更换简单,且大大降低了提花片和织针的磨损。(The invention discloses a jacquard mechanism of a knitting machine, which comprises a dial with a needle groove, a triangle unit, a sliding block arranged at the bottom of the triangle unit, a driving mechanism, a jacquard sheet and a knitting triangle, wherein a T-shaped sliding block positioned on the side surface of the knitting triangle is in sliding fit with a second T-shaped sliding groove positioned on the side surface of the triangle unit, the top pressure spring is arranged in the extending groove communicated with the second T-shaped sliding groove, the top pressure spring is arranged between a T-shaped sliding block and a triangular unit of the knitting triangle, a fixing bolt which is obliquely arranged on the knitting triangle is connected with the triangular unit, a knitting track is arranged at the bottom of the knitting triangle, an upper needle foot of a knitting needle is positioned in an arc line section of the knitting track when the knitting needle is reset, two lower convex teeth of the jacquard sheet are respectively positioned in corresponding limiting grooves of the dial, two upper convex teeth of the jacquard sheet are respectively positioned in corresponding limiting arc grooves of the sliding block, and the knitting needle is pushed to enter a waveform section of the knitting track when the jacquard sheet advances. The invention has simple knitting needle replacement and greatly reduces the abrasion of the jacquard sheet and the knitting needle.)

1. A jacquard mechanism of a knitting machine comprises a dial (1) with a needle groove (12), a triangle unit (2), a sliding block (3) arranged at the bottom of the triangle unit (2), a driving mechanism (4) arranged in the triangle unit (2) and a jacquard sheet (5), wherein the driving mechanism (4) is used for driving the sliding block (3) to do linear reciprocating motion, the jacquard mechanism is characterized by further comprising a knitting triangle (7), a T-shaped sliding block positioned on the side surface of the knitting triangle (7) is in sliding fit with a second T-shaped sliding groove (22) positioned on the side surface of the triangle unit (2), a jacking spring (24) is arranged in an extension groove (23) communicated with the bottom of the second T-shaped sliding groove (22), and the jacking spring (24) is limited between the T-shaped sliding block of the knitting triangle (7) and the triangle unit (2), the fixing bolt (72) obliquely arranged on the side wall of the knitting triangle (7) is connected with the triangle unit (2), a knitting track (71) is arranged at the bottom of the knitting triangle (7), when a knitting needle (8) located in the needle groove (12) resets, an upper stitch (81) of the knitting needle (8) is located in an arc line section of the knitting track (71), two lower convex teeth (52) of the jacquard sheet (5) are respectively located in corresponding limiting grooves (11) of the dial (1), two upper convex teeth (51) of the jacquard sheet (5) are respectively located in corresponding limiting arc-shaped grooves (31) of the sliding block (3), and the upper stitch (81) is pushed to enter a waveform section of the knitting track (71) when the jacquard sheet (5) advances.

2. Jacquard mechanism according to the knitting machine according to claim 1, characterized in that a gap is present between the body of the jacquard (5) and the sliding block (3) and between the body of the jacquard (5) and the dial (1), and in that a second return spring (6) is provided inside the limit groove (11) to return the jacquard (5).

3. Jacquard mechanism according to the knitting machine according to claim 1, characterized in that the lower foot (82) of the knitting needle (8) is located in a corresponding stop groove (11) of the dial (1) and in that a second return spring (6) for returning the knitting needle (8) is provided in the stop groove (11) and in that the stop groove (11) is located outside the cam unit (2).

4. Jacquard mechanism according to the knitting machine according to claim 1, characterized in that a T-shaped slider at the top of the slider (3) is slidingly engaged with a first T-shaped runner (21) at the bottom of the cam unit (2), the top of the slider (3) having a wedge-shaped groove (32), the driving wedge (41) of the drive means (4) being in engagement with the wedge-shaped groove (32).

5. Jacquard mechanism according to the knitting machine according to claim 4, characterized in that the drive mechanism (4) further comprises a connecting rod (42) fixedly connected to the top of the drive wedge (41), the top of the connecting rod (42) having a boss (43), the boss (43) having a larger diameter than the connecting rod (42), the top of the boss (43) having a first return spring (44), the rotating wheel arranged on the side of the connecting rod (42) having a radially machined vertical section and an axially machined oblique section, the vertical section and the oblique section forming the cam table for driving the elevation of the boss (43).

6. Jacquard mechanism according to the machine of claim 1, characterized in that the leader (53) of the jacquard elements (5) is in sliding engagement with the needle groove (12).

7. Jacquard mechanism according to the knitting machine according to claim 5, characterized in that a lubricating mechanism (9) is also provided in the cam unit (2), which lubricating mechanism (9) supplies the connecting rod (42) and the boss (43) with lubricating oil.

8. The jacquard mechanism of the knitting machine as claimed in claim 7, characterized in that the lubricating mechanism (9) includes a fixed cylinder (91), the fixed cylinder (91) is connected with the mounting hole of the triangular unit (2) in a matching manner, the boss (43) is in sliding fit with the guide hole (918) of the fixed cylinder (91), the connecting rod (42) is in sliding fit with a perforation (919) passing through the bottom of the guide hole (918), a plurality of first oil absorbent cottons (93) distributed uniformly in a ring shape are embedded on the inner side wall of the guide hole (918), a plurality of second oil absorbent cottons (94) distributed uniformly in a ring shape are embedded on the inner side wall of the perforation (919), and an oil supply channel communicated with the first oil absorbent cottons (93) and the second oil absorbent cottons (94) is arranged in the fixed cylinder (91).

9. Jacquard mechanism according to the knitting machine of claim 8, characterized in that the oil supply channel comprises an oil supply channel (914), an annular groove (912) arranged on the outer side of the fixed cylinder (91) and several first oblique holes (913) and several second oblique holes (916) passing through the side wall of the fixed cylinder (91), the oil supply channel (914) communicating with the annular groove (912), the annular groove (912) communicating with all the first oblique holes (913), the first oblique holes (913) communicating with the corresponding first oil absorbent cotton (93), the corresponding mounting grooves in which the first oil absorbent cotton (93) are embedded communicating with the corresponding second oblique holes (916) through a communication channel (915), the second oblique holes (916) communicating with the second oil absorbent cotton (94), and a rubber sleeve (92) fitted on the outer side of the fixed cylinder (91) covering the annular groove (912), the second oblique holes (916), the second oil absorbent cotton (94), The rubber sleeve (92) is arranged on the first inclined hole (913) and the second inclined hole (916), the outer diameter of the rubber sleeve (92) is the same as that of an annular shoulder (911) on the outer side face of the fixing cylinder body (91), and the annular shoulder (911) is connected with the mounting hole in a matched mode.

10. Jacquard mechanism according to claim 9, characterized in that the upper part of said guiding hole (918) has a threaded hole (917), said threaded hole (917) has a larger diameter than said guiding hole (918), one end of the mounting groove on said guiding hole (918) communicates with said threaded hole (917), a pressure plate (95) is placed in said threaded hole (917), said pressure plate (95) comprises an annular disc (951) and a plurality of pressure bars (952) annularly and uniformly arranged on said annular disc (951), said pressure bars (952) are inserted into the corresponding mounting grooves, a pressure cylinder (96) screwed with said threaded hole (917) abuts against said annular disc (951), and said first return spring (44) abuts against the inner top surface of said pressure cylinder (96).

Technical Field

The invention relates to the technical field of knitting machines, in particular to a jacquard mechanism of a knitting machine.

Background

At present, patterns on cloth are usually formed by two modes, one mode is printing, the other mode is jacquard, the printing is printing and dyeing of various patterns on fabric, the colors are rich and colorful, the stereoscopic impression is poor, the color is easy to fade, the jacquard is concave-convex patterns formed by interlacing warps and wefts, the stereoscopic impression is strong, the pattern durability is good, a common jacquard knitting mechanism of a circular knitting machine generally comprises a knitting needle, a knitting needle triangle and a needle selection system, when the circular knitting machine works, a jacquard sheet pushes the knitting needle to complete the whole knitting process, when the knitting needle is set up, the jacquard sheet pushes the knitting needle, when the knitting needle is pressed, the knitting needle not only needs to complete the self needle pressing action, but also needs to push the jacquard sheet to the initial position of the jacquard sheet, the process increases resistance and concentrates wear points for the knitting needle and the jacquard sheet, the service lives of the jacquard sheet and the knitting needle are influenced, and the knitting needle replacement process is complicated after the knitting needle appears in the working process, and then influence work efficiency, in the course of the work, in order to reduce the friction in the operation of selecting needle system and make the course of the work steady, smooth and easy, generally use lubricating oil, but the existing lubricating structure is poor in lubricating effect, and it is troublesome to add lubricating oil process.

Disclosure of Invention

In view of the above, the present invention provides a jacquard mechanism of a knitting machine to solve the above technical problems.

In order to achieve the purpose, the invention provides the following technical scheme:

a jacquard mechanism of a knitting machine comprises a dial with a needle groove, a triangular unit, a sliding block arranged at the bottom of the triangular unit, a driving mechanism arranged in the triangular unit and a jacquard sheet, wherein the driving mechanism is used for driving the sliding block to do linear reciprocating motion, the jacquard mechanism further comprises a knitting triangle, a T-shaped sliding block arranged on the side surface of the knitting triangle is in sliding fit with a second T-shaped sliding groove arranged on the side surface of the triangular unit, a jacking spring is arranged in an extension groove communicated with the bottom of the second T-shaped sliding groove and limited between the T-shaped sliding block of the knitting triangle and the triangular unit, a fixing bolt obliquely arranged on the side wall of the knitting triangle is connected with the triangular unit, a knitting track is arranged at the bottom of the knitting triangle, and when a knitting needle positioned in the needle groove is reset, an upper needle foot of a knitting needle is positioned in an arc line segment of the knitting track, two lower convex teeth of the jacquard sheet are respectively positioned in corresponding limiting grooves of the dial, two upper convex teeth of the jacquard sheet are respectively positioned in corresponding limiting arc-shaped grooves of the sliding block, and an upper needle foot is pushed to enter a waveform section of the knitting track when the jacquard sheet advances.

Furthermore, the piece body of the jacquard sheet and the sliding block and the piece body of the jacquard sheet and the dial are provided with gaps, and a second reset spring for resetting the jacquard sheet is arranged in the limit groove.

Furthermore, the lower needle foot of the knitting needle is positioned in a corresponding limit groove of the dial, a second reset spring for resetting the knitting needle is arranged in the limit groove, and the limit groove is positioned on the outer side of the triangular unit.

Furthermore, a T-shaped sliding block positioned at the top of the sliding block is in sliding fit with a first T-shaped sliding groove positioned at the bottom of the triangular unit, a wedge-shaped groove is formed in the top of the sliding block, and a driving wedge block of the driving mechanism is in fit connection with the wedge-shaped groove.

Furthermore, actuating mechanism still includes fixed connection in the connecting rod at initiative voussoir top, the top of connecting rod has the boss, the boss diameter is greater than the connecting rod, the top of boss has first reset spring, sets up and has a vertical section of radial processing and the slope tangent plane of axial processing on the swiveling wheel of connecting rod one side, and the vertical section forms the drive with the slope tangent plane the cam platform that the boss goes up and down.

Furthermore, the sheet head of the jacquard sheet is in sliding fit with the needle groove.

Furthermore, a lubricating mechanism is arranged in the triangular unit and provides lubricating oil for the connecting rod and the boss.

Furthermore, lubricating mechanism includes fixed barrel, fixed barrel with the mounting hole cooperation of triangle unit is connected, the boss with the guiding hole sliding fit of fixed barrel, the connecting rod with run through the perforation sliding fit of guiding hole bottom, inlay the first oil absorption cotton that is equipped with a plurality of annular evenly distributed on the inside wall of guiding hole, it is cotton to inlay the second oil absorption that is equipped with a plurality of annular evenly distributed on the fenestrate inside wall, just be equipped with in the fixed barrel with the oil supply passageway of first oil absorption cotton, the cotton intercommunication of second oil absorption.

Furthermore, the oil supply channel comprises an oil supply channel, an annular groove arranged on the outer side surface of the fixed cylinder body, and a plurality of first inclined holes and a plurality of second inclined holes which penetrate through the side wall of the fixed cylinder body, the oil supply channel is communicated with the annular groove, the annular groove is communicated with all the first inclined holes, the first inclined holes are communicated with corresponding first oil absorption cotton, the corresponding mounting grooves of the first oil absorption cotton are embedded and communicated with the corresponding second inclined holes through communicating channels, the second inclined holes are communicated with the second oil absorption cotton, and a rubber sleeve arranged on the outer side of the fixed cylinder body covers the annular groove, the first inclined holes and the second inclined holes, the outer diameter of the rubber sleeve is the same as the outer diameter of an annular convex shoulder arranged on the outer side surface of the fixed cylinder body, and the annular convex shoulder is matched and connected with the mounting holes.

Furthermore, the upper portion of guiding hole has a screw hole, the diameter of screw hole is greater than the guiding hole, is located the one end of the mounting groove on the guiding hole with the screw hole intercommunication, place a pressure disk in the screw hole, the pressure disk includes that annular disc and annular evenly set up a plurality of depression bars on the annular disc, the depression bar inserts in the mounting groove that corresponds, with screw hole threaded connection's a pressure section of thick bamboo support and press on the annular disc, just first reset spring support and press on the interior top surface of a pressure section of thick bamboo.

The technical scheme can show that the invention has the advantages that:

1. the knitting cam is arranged on the side face of the cam unit in a sliding mode, the knitting cam is fixed through the obliquely arranged fixing bolt, the knitting cam is released and can move quickly to achieve replacement of a knitting needle, and the fixing bolt can enable the knitting cam to be pressed down enough to enable a knitting track to be connected smoothly;

2. the jacquard sheet moves along with the sliding block to realize needle pushing and resetting, so that a knitting needle is prevented from being pushed to the initial position of the jacquard sheet, the contact abrasion between the knitting needle and the jacquard sheet is reduced, and the service life of the knitting needle and the jacquard sheet is prolonged;

3. the driving mechanism is connected with the fixed cylinder of the lubricating mechanism, so that the driving mechanism is convenient to disassemble, and the first oil absorption cotton and the second oil absorption cotton are convenient to replace;

4. because the connecting rod and the lug boss are lubricated simultaneously, the lubricating effect is good, the driving mechanism runs smoothly and stably, and lubricating oil is added conveniently through the arrangement of the oil feeding channel, the annular groove, the communicating channel, the first inclined hole and the second inclined hole.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the jacquard sheet of the present invention.

Fig. 3 is a schematic structural view of the lubricating mechanism of the present invention.

List of reference numerals: the needle disc 1, the limiting groove 11, the needle groove 12, the cam unit 2, the first T-shaped sliding groove 21, the second T-shaped sliding groove 22, the extending groove 23, the top pressure spring 24, the sliding block 3, the limiting arc-shaped groove 31, the wedge-shaped groove 32, the driving mechanism 4, the driving wedge 41, the connecting rod 42, the boss 43, the first return spring 44, the jacquard sheet 5, the upper convex tooth 51, the lower convex tooth 52, the sheet head 53, the second return spring 6, the knitting cam 7, the knitting track 71, the fixing bolt 72, the knitting needle 8, the upper stitch 81, the lower stitch 82, the lubricating mechanism 9, the fixing cylinder 91, the annular shoulder 911, the annular groove 912, the first inclined hole 913, the oil delivery channel 914, the communication channel 915, the second inclined hole 916, the threaded hole 917, the guide hole 918, the perforation 919, the rubber sleeve 92, the first oil absorption cotton 93, the second oil absorption cotton 94, the pressure plate 95, the annular disc 951, the pressure rod 952, and the.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the jacquard mechanism of the knitting machine, as shown in fig. 1 and 2, comprises a dial 1 with a needle groove 12, a triangle unit 2, a sliding block 3 arranged at the bottom of the triangle unit 2, a driving mechanism 4 arranged in the triangle unit 2, a jacquard sheet 5 and a knitting triangle 7, wherein the driving mechanism 4 is used for driving the sliding block 3 to do linear reciprocating motion along the direction of the needle groove 12, the knitting triangle 7 is in an "L" shape, a T-shaped sliding block arranged on the side surface of the knitting triangle 7 is in sliding fit with a second T-shaped sliding groove 22 arranged on the side surface of the triangle unit 2, a jacking spring 24 is arranged in an extension groove 23 communicated with the bottom of the second T-shaped sliding groove 22, the jacking spring 24 is limited between the T-shaped sliding block of the knitting triangle 7 and the triangle unit 2, and a fixing bolt 72 obliquely arranged on the side wall of the knitting triangle 7 is connected with the triangle unit 2 to enable the knitting triangle to be knitted by the triangle unit 2 The T-shaped sliding block of the jacquard plate 7 is in close contact with the cam unit 2, so that the installation accuracy of the jacquard plate 7 can be controlled conveniently, the bottom of the jacquard plate 7 is provided with a knitting track 71, when a knitting needle 8 in the needle groove 12 is reset, an upper needle foot 81 of the knitting needle 8 is positioned in an arc line segment of the knitting track 71, a lower needle foot 82 of the knitting needle 8 is positioned in a corresponding limiting groove 11 of the dial 1, the limiting groove 11 is positioned in the needle groove 12, a second reset spring 6 for resetting the knitting needle 8 is arranged in the limiting groove 11, the limiting groove 11 is positioned on the outer side of the cam unit 2, when the jacquard plate 7 is released, the jacquard plate 7 is jacked up under the action of a jacking spring 24, so that the knitting needle 8 can be replaced conveniently, two lower convex teeth 52 of the jacquard plate 5 are respectively positioned in the corresponding limiting grooves 11 of the dial 1, two upper convex teeth 51 of the jacquard plate 5 are respectively positioned in the corresponding limiting arc-shaped grooves 31 of the sliding block 3, the head 53 of the jacquard 5 is in sliding fit with the needle groove 12, the head 53 pushes the upper stitch 81 to enter a wave-shaped section of the knitting track 71 when the jacquard 5 advances, gaps are formed between the body of the jacquard 5 and the sliding block 3 and between the body of the jacquard 5 and the dial 1 to reduce friction force between the jacquard 5 and the sliding block 3 and the dial 1, a second reset spring 6 for resetting the jacquard 5 is arranged in the limit groove 11, the jacquard 5 automatically resets after the pushing of the needle is completed, and the situation that the knitting needle 8 pushes the jacquard 5 to reset to improve abrasion between the knitting needle 8 and the jacquard 5 is avoided.

The T-shaped sliding block positioned at the top of the sliding block 3 is in sliding fit with the first T-shaped sliding groove 21 positioned at the bottom of the triangular unit 2, the top of the sliding block 3 is provided with a wedge-shaped groove 32, and a driving wedge 41 of the driving mechanism 4 is in fit connection with the wedge-shaped groove 32 to realize the driving of the sliding block 3.

As shown in fig. 1, the driving mechanism 4 further includes a connecting rod 42 fixedly connected to the top of the driving wedge 41, the top of the connecting rod 42 has a boss 43, the boss 43 has a diameter larger than that of the connecting rod 42, the top of the boss 43 has a first return spring 44, a rotating wheel disposed on one side of the connecting rod 42 has a radially processed vertical section and an axially processed oblique section, and the vertical section and the oblique section form a cam table for driving the boss 43 to move up and down.

As shown in fig. 1, a lubricating mechanism 9 is further disposed in the triangular unit 2, and the lubricating mechanism 9 supplies lubricating oil to the connecting rod 42 and the boss 43.

As shown in fig. 3, the lubricating mechanism 9 includes a fixed cylinder 91, the fixed cylinder 91 is connected to the mounting hole of the triangular unit 2 in a matching manner, the fixed cylinder 91 is limited in the mounting hole by a cover plate, the boss 43 is in sliding fit with the guide hole 918 of the fixed cylinder 91, the link 42 is in sliding fit with a through hole 919 penetrating the bottom of the guide hole 918, a plurality of first oil absorbent cottons 93 distributed uniformly in a ring shape are embedded on the inner side wall of the guide hole 918, a plurality of second oil absorbent cottons 94 distributed uniformly in a ring shape are embedded on the inner side wall of the through hole 919, an oil supply passage communicated with the first oil absorbent cottons 93 and the second oil absorbent cottons 94 is arranged in the fixed cylinder 91, the first oil absorbent cottons 93 are in contact with the boss 43, the second oil absorbent cottons 94 are in contact with the link 42, so that the lubricating effect is good, and the driving mechanism 4 is easy to be removed by adopting the, conveniently change first oil absorption cotton 93, second oil absorption cotton 94, the cotton interval setting of oil absorption also can not influence the direction function to boss 43.

The oil supply passage comprises an oil supply passage 914, an annular groove 912 arranged on the outer side surface of the fixed cylinder 91, and a plurality of first inclined holes 913 and a plurality of second inclined holes 916 which penetrate through the side wall of the fixed cylinder 91, the oil supply passage 914 is communicated with the annular groove 912, the annular groove 912 is communicated with all the first inclined holes 913, the first inclined holes 913 are communicated with corresponding first oil absorption cotton 93, corresponding mounting grooves embedded with the first oil absorption cotton 93 are communicated with corresponding second inclined holes 916 through a communication passage 915, the second inclined holes 916 are communicated with second oil absorption cotton 94, a rubber sleeve 92 sleeved on the outer side of the fixed cylinder 91 covers the annular groove 912, the first inclined holes 913 and the second inclined holes 916 to avoid oil leakage, the outer diameter of the rubber sleeve 92 is the same as that of an annular shoulder 911 on the outer side surface of the fixed cylinder 91, and the annular shoulder 911 is matched and connected with the mounting holes, the annular shoulder 911 can ensure the positioning accuracy of the fixed cylinder 91, and the oil supply nozzle penetrates through the cover plate to be connected with the oil supply port of the oil supply passage 914.

The upper portion of guiding hole 918 has a screw hole 917, the diameter of screw hole 917 is greater than guiding hole 918, be located the one end of the mounting groove on guiding hole 918 with screw hole 917 intercommunication, place a pressure disk 95 in screw hole 917, pressure disk 95 includes that annular disc 951 and annular evenly set up a plurality of depression bars 952 on annular disc 951, depression bar 952 inserts in the corresponding mounting groove, press a section of thick bamboo 96 with screw hole 917 threaded connection to support and press on annular disc 951, and first reset spring 44 supports and presses on the interior top surface of pressing a section of thick bamboo 96, rotate press a section of thick bamboo 96 and make pressure disk 95 move down, and then make first oil cotton 93 warp, make the first oil cotton 93 of inhaling after the wearing and boss 43 reliable contact.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.