CN211339903U - Double needle bar warp knitting machine - Google Patents

Abstract

The utility model relates to a double needle bar warp knitting machine, which comprises a frame, a beam, a head axis fixing seat, a head axis, a suspension arm, a first driving shaft, a second driving shaft, a looping device, a guide bar device and a guide bar cradle transmission mechanism; the guide bar device comprises a guide bar cradle and a guide bar, a first driving shaft and a second driving shaft are respectively installed on the frame, a head axis fixing seat is installed on the cross beam, a head axis is fixedly arranged on the head axis fixing seat in a penetrating mode, one end of a suspension arm is sleeved on the head axis, the other end of the suspension arm is hinged with the guide bar cradle, and the looping device comprises a symmetrical front/back loop-releasing part, a symmetrical front/back needle bed transmission mechanism and a symmetrical front/back settlement transmission mechanism; the front needle bed transmission mechanism and the front settlement transmission mechanism are powered by a first driving shaft, and the rear needle bed transmission mechanism, the rear settlement transmission mechanism and the guide bar cradle transmission mechanism are powered by a second driving shaft. The utility model discloses equipment structure is succinct, and the precision is easily controlled, easy operation.

Description

Double needle bar warp knitting machine

Technical Field

The utility model belongs to the technical field of the tricot machine technique and specifically relates to a double needle bar tricot machine is related to.

Background

A conventional warp knitting machine, as disclosed in the chinese utility model patent application No. 201910016428.8 entitled "a double needle bar warp knitting machine", includes a frame 1, a looping device, a guide bar device 100, and a transmission device, as shown in fig. 1; the looping device comprises a symmetrical front/back looping part, a symmetrical front/back needle bed part and a symmetrical front/back settlement part, and the transmission device comprises a front/back needle bed transmission mechanism, a front/back settlement transmission mechanism, a guide bar cradle upper swing transmission mechanism 500 and a guide bar cradle lower swing transmission mechanism 500' which are symmetrically arranged; the front/back knocking-over parts respectively comprise a knocking-over support and a knocking-over plate, the front/back needle bed transmission mechanisms respectively comprise tongue needle beds matched with the knocking-over support, the guide bar device 100 comprises a guide bar cradle 101 and a guide bar 102, the front needle bed transmission mechanism 300, the front settlement transmission mechanism 400 and the guide bar cradle upper swing transmission mechanism 500 are powered by a first driving shaft 801, and the back needle bed transmission mechanism 300 ', the back settlement transmission mechanism 400 ' and the guide bar cradle lower swing transmission mechanism 500 ' are powered by a second driving shaft 802; the front/back needle bed transmission mechanism adopts a cam transmission mechanism.

The movement track of guide bar cradle lower hem drive mechanism 500 'cam in this patent needs guide bar cradle upper hem drive mechanism 500 and the compound drive that guide bar cradle lower hem drive mechanism 500' cooperation could be realized, and its assembly is comparatively complicated and assembly operation is comparatively troublesome, and the machining precision is wayward, and overall cost is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure is simple and easy more, the precision is high, and easy operation's double needle bar warp machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a two needle bar warp knitting machine, includes frame, crossbeam, day axle fixing base, day axle, davit, driving shaft, No. two driving shafts, lopping device, sley bar device and sley bar cradle drive mechanism, the crossbeam is installed in the frame, a driving shaft with No. two driving shafts are installed respectively in the frame, the lopping device is including the preceding/back of symmetry part of knocking over, the preceding/back needle bar drive mechanism of symmetry and the preceding/back of symmetry subsides drive mechanism, the sley bar device includes the sley bar cradle and installs sley bar on the sley bar cradle, its characterized in that: the fixed cover of one end of davit is established on the zenith, the other end of davit with the middle part of sley bar cradle is articulated mutually, front needle bed drive mechanism with preceding settlement drive mechanism by a driving shaft provides power, back needle bed drive mechanism the back settlement drive mechanism with sley bar cradle drive mechanism by No. two driving shafts provide power.

As a preferred mode of the utility model, sley bar cradle drive mechanism includes swing arm, first sley bar link assembly, fourth pendulum shaft, sley bar lower swing arm, second sley bar link assembly and drive arrangement on the sley bar, drive arrangement with No. two driving shafts are connected, drive arrangement with first sley bar link assembly connects, first sley bar link assembly with the swing arm is articulated under the sley bar, the swing arm under the sley bar with swing arm all fixes on the sley bar on the fourth pendulum shaft, swing arm on the sley bar with second sley bar link assembly is articulated, the upper end of second sley bar link assembly with the sley bar cradle is articulated.

As a preferred mode of the utility model, the fore/aft sinking transmission mechanisms respectively comprise a sinking needle bar, a sinking connecting rod assembly, a sinker driving mechanism for driving the sinking connecting rod assembly to move up and down, a first sinking connecting rod, a second sinking connecting rod, a first swing shaft, a second swing shaft, a sinking main arm, a sinking sub-arm, a sinking needle bar, a sinker, a sinking releasing swing arm, a sinking swing plate, a sinking releasing rail seat and a driving device, wherein the sinking main arm and the sinking sub-arm are fixed on the first swing shaft, the sinker is installed on the sinking needle bar, the sinking needle bar is installed on the sinking main arm and the sinking sub-arm, the driving device is connected with the sinking connecting rod assembly, one end of the first sinking connecting rod is hinged with the sinking connecting rod assembly, the other end is hinged with the sinking main arm, one end of the second sinking connecting rod is hinged with the sinking connecting rod assembly, the other end with the one end of subsiding and throwing away the swing arm is articulated, the other end of subsiding and throwing away the swing arm is fixed on the second balance staff, the one end of subsiding the swing board is fixed on the second balance staff, it is equipped with the spout to subside to break away from the rail seat, but subside the other end of swing board through the slip positioning mechanism installation of slip and location in the spout be equipped with on the second balance staff and be used for driving second balance staff pivoted subsides the pull rod.

As a preferred mode of the utility model, preceding/back knockover part is including connecting knocking over support in the frame, connection knocking over board, guide pin bushing, knockover link assembly and supporting seat on the knockover support, the one end suit of knockover support is in on the first balance staff, the other end of knockover support passes through knockover link assembly articulates on the supporting seat, the supporting seat sets up in the frame.

As a preferred mode of the utility model, preceding/back needle bed drive mechanism respectively include with knockover support complex tongue needle bed, needle bed link assembly and drive arrangement, needle bed link assembly's upper end with the tongue needle bed is connected be equipped with on the knockover support and be used for guide tongue needle bed guiding device that reciprocates, needle bed link assembly's lower extreme with drive arrangement is connected.

As a preferred mode of the utility model, the guider is including setting up guide pillar on the tongue needle bed is in with the setting the guide pin bushing of knocking over the support, the guide pillar activity is set in the guide pin bushing.

As a preferred mode of the utility model, drive arrangement includes the main shaft, installs main epaxial cam, set roller frame and setting on the cam are in push rod on the roller frame, be equipped with gyro wheel and lower gyro wheel on the roller frame, be equipped with the annular flange on the cam, the annular flange clamp is established go up the gyro wheel with between the gyro wheel down, the gyro wheel is located down the inboard of annular flange, it is located to go up the gyro wheel the outside of annular flange.

As a preferable mode of the utility model, the driving device includes a main shaft, an eccentric wheel assembly installed on the main shaft, and a push rod arranged on the eccentric wheel assembly.

As a preferred mode of the utility model, the cam includes the cam body, be equipped with the shaft hole on the cam body, be equipped with on the cam body and be used for the adjustment the balancing weight of the focus position of cam body, the balancing weight passes through screw or bolt locking in on the cam body, be equipped with tight circle piece on the cam body, be equipped with on the tight circle piece with the tight circle hole of the coaxial setting in shaft hole, be equipped with the counter weight hole on the tight circle piece.

The utility model discloses more traditional double needle bar warp knitting machine adopts sley bar cradle drive mechanism's oneself transmission, and the tradition needs the compound transmission that the cooperation of the last pendulum drive mechanism of sley bar cradle and sley bar cradle lower hem drive mechanism could realize to compare, the utility model discloses a structure is more simple, and it is more convenient to operate, and the precision is controlled more easily.

Drawings

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the middle/back needle bed transmission mechanism of the present invention;

FIG. 4 is a schematic view of a partial three-dimensional structure of the middle/back needle bed transmission mechanism of the present invention;

FIG. 5 is a schematic structural view of the middle front/rear sinking gear of the present invention (FIG. 4 is a view imaginarily removing the sinking sub-arm from the first swing shaft);

FIG. 6 is a schematic structural view of a guide bar cradle transmission mechanism according to the present invention;

FIG. 7 is a schematic view of the cam cooperating with the roller frame of the present invention;

fig. 8 is a schematic diagram of the cam of the present invention;

in the figure:

1-frame 2-beam

3-fixed base of the zenith axis 4-zenith axis

5-boom 6-plate

7-foot 100-guide bar device

101-guide bar cradle 102-guide bar

200-front knockover portion 200' -rear knockover portion

201-knocking-over support 202-knocking-over plate

203-guide sleeve 204-knocking-over connecting rod component

205-support seat 51-pin shaft

300-front needle bed transmission mechanism 300' -back needle bed transmission mechanism

301-needle bed connecting rod component 302-needle bed bracket

303-latch needle bed 3031-needle bed base

3032-needle bed comb seat 3033-presser bar

304-latch needle 305-guide column

400-front sedimentation transmission mechanism 400' -rear sedimentation transmission mechanism

401-settling link assembly 402-first settling link

403-second sinker link 404-sinker main arm

405-sinker sub-arm 406-sinker needle bed

407-sinker 408-settlement disengaging swing arm

409-settling swinging plate 410-settling pull rod

411-settlement swing tight ring 412-settlement separation rail seat

413-chute 414-handle

500-guide bar cradle upper swing transmission mechanism 500' -guide bar cradle lower swing transmission mechanism

600-guide bar cradle transmission mechanism 601-first guide bar connecting rod assembly

602-guide bar lower swing arm 603-guide bar upper swing arm

604-second guide bar linkage assembly

700-cam 701-roller frame

702-push rod 703-lower roller

704-Upper roller 705-shaft hole

706-annular flange 707-grip ring block

708-counterweight block 709-counterweight port

710-adjustment notch 711-adjustment bolt

712-adjusting sink 713-ring tightening hole

801-first driving shaft 802-second driving shaft

803-first pendulum shaft 804-second pendulum shaft

806-fourth pendulum shaft

Detailed Description

In order to further explain the technical solution of the present invention, the following embodiments are described in detail.

Referring to fig. 1-2:

a double-needle bed warp knitting machine comprises a machine frame 1, a cross beam 2, a top shaft fixing seat 3, a top shaft 4, a suspension arm 5, a first driving shaft 801, a second driving shaft 802, a looping device, a guide bar device 100 and a guide bar cradle transmission mechanism 600, wherein the first driving shaft 801 and the second driving shaft 802 are respectively installed on the machine frame 1, and the machine frame 1 and the cross beam 2 are used as carriers for installing relevant mechanisms and parts.

In this embodiment, crossbeam 2 is installed in frame 1, and day axle fixing base 3 is installed on crossbeam 2, and day axle fixing base 3 plays the effect of location, and day axle fixing base 3 installs the lower extreme at crossbeam 2 to set up towards ground. First through-hole has been seted up along the length direction of crossbeam 2 to day axle fixing base 3, and fixed the wearing to locate day axle fixing base 3 of day axle 4 in the first through-hole, davit 5 is located between day axle 4 and sley bar cradle 101 (can introduce in detail below), plays the effect of connecting the bridge, and the middle part of sley bar cradle 101 is provided with the second through-hole, and a tip of sley bar cradle 101 is provided with the third through-hole, and the fixed cover of one end of davit 5 is established in the outside of day axle 4, and the other end of davit 5 is through a round pin axle 51 and sley bar cradle 101 the second through-hole is articulated. The pin shaft 51 is hinged in the second through hole along the horizontal direction.

The knitting device comprises a symmetrical front/rear knockover portion (i.e., front knockover portion 200 and rear knockover portion 200 ', both of which are identical in structure in the embodiment and described only with reference to front knockover portion 200), a symmetrical front/rear needle bed transmission mechanism (i.e., front needle bed transmission mechanism 300 and rear needle bed transmission mechanism 300 ', both of which are identical in structure and described only with reference to front needle bed transmission mechanism 300 in the embodiment), and a symmetrical front/rear sinking transmission mechanism (i.e., front sinking transmission mechanism 400 and rear sinking transmission mechanism 400 ', both of which are identical in structure in the embodiment and described only with reference to front sinking transmission mechanism 400).

The guide bar apparatus 100 includes a guide bar cradle 101 and a guide bar 102 mounted on the guide bar cradle 101, the guide bar cradle 101 being disposed in a guide bar direction. The utility model discloses well sley bar 102 is the sley bar 102 of at least one, and sley bar 102 can adopt merchant card sley bar or ordinary sley bar.

The front needle bed transmission mechanism 300 and the front sinking transmission mechanism 400 are powered by a first driving shaft 801, and the back needle bed transmission mechanism 300 ', the back sinking transmission mechanism 400' and the guide bar cradle transmission mechanism 600 are powered by a second driving shaft 802.

The utility model discloses more traditional double needle bar warp knitting machine adopts the oneself transmission of sley bar cradle drive mechanism 600, with tradition (as shown in fig. 1) need sley bar cradle go up pendulum drive mechanism 500 and sley bar cradle lower hem drive mechanism 500' cooperation just can realize compound transmission compare, the utility model discloses a structure is more simple, and it is more convenient to operate, and the precision is controlled more easily.

Referring to fig. 6:

preferably, the guide bar cradle transmission mechanism 600 includes a first guide bar connecting rod assembly 601, a fourth swing shaft 806, a lower guide bar swing arm 602, an upper guide bar swing arm 603, a second guide bar connecting rod assembly 604, and a driving device, the driving device is connected to the second driving shaft 802, the driving device is connected to the first guide bar connecting rod assembly 601, the first guide bar connecting rod assembly 601 is hinged to the lower guide bar swing arm 602, the lower guide bar swing arm 602 and the upper guide bar swing arm 603 are both fixed to the fourth swing shaft 806, the upper guide bar swing arm 603 is hinged to the second guide bar connecting rod assembly 604, the upper end of the second guide bar connecting rod assembly 604 is hinged to the third through hole of the guide bar cradle 101, the guide bar cradle 101 is connected to the head lever 4 through the suspension arm 5, the suspension arm 5 is fixed to the head lever 4, and the suspension arm 5 is hinged to the guide bar cradle 101.

Referring to fig. 5:

preferably, the front/rear sinking transmission mechanism comprises a sinking link assembly 401, a sinker driving mechanism for driving the sinking link assembly 401 to move up and down, a first sinking link assembly 402, a second sinking link assembly 403, a first swing shaft 803, a second swing shaft 804, a sinking main arm 404, a sinking sub-arm 405, a sinking needle bed 406, a sinker 407, a sinking disengagement swing arm 408, a sinking swing plate 409, a sinking disengagement rail seat 412 and a driving device, wherein the sinking main arm 404 and the sinking sub-arm 405 are fixed on the first swing shaft 803, the sinker 407 is mounted on the sinking needle bed 406, the sinking needle bed 406 is mounted on the sinking main arm 404 and the sinking sub-arm 405, the driving device is connected with the sinking link assembly 401, one end of the first sinking link assembly 402 is hinged with the sinking link assembly 401, the other end is hinged with the sinking main arm 404, one end of the second sinking link 403 is hinged with the sinking link assembly 401, the other end of the settlement disengaging swing arm 408 is hinged with one end of the settlement disengaging swing arm 408, the other end of the settlement disengaging swing arm 408 is fixed on a second swing shaft 804, one end of a settlement swing plate 409 is fixed on the second swing shaft 804, a chute 413 is arranged on a settlement disengaging rail seat 412, the other end of the settlement swing plate 409 is installed in the chute 413 through a slidable and positionable sliding positioning mechanism, and a settlement pull rod 410 for driving the second swing shaft 804 to rotate is arranged on the second swing shaft 804.

Preferably, the second swing shaft 804 is sleeved with a settlement swing tight ring 411, and the settlement pull rod 410 is connected to the settlement swing tight ring 411.

Preferably, the sliding positioning mechanism comprises a bolt and a handle screwed on the bolt, and the settlement disengaging rail seat 412 and the settlement swinging plate 409 are arranged between the handle and the bolt head of the bolt.

Adopt the technical scheme of the utility model afterwards, through subsiding main arm 404 and subsiding and paying arm 405 to subsiding needle bed 406 and form stable support, the long time stable work of sinker has been guaranteed, when slide positioning mechanism transfers the pine, promote and subside pull rod 410, can drive and subside swinging plate 409 and subside and throw off the swing arm 408 swing, make the needle bed 406 of subsiding keep away from or be close to the center of equipment, make things convenient for the operation of overhaul of the equipments, when frame 1 is opened, promote and subside pull rod 410, make relevant part return, and fix a position through slide positioning mechanism, make subside swinging plate 409 and subside and throw off swing arm 408 fixed.

It is to be noted that the front/rear sinking transmission mechanism of the present invention is not limited to the warp knitting machine used in the present embodiment.

Referring to fig. 2-4:

preferably, the front/rear knockover portions each include a knockover bracket 201 connected to the frame 1, a knockover plate 202 connected to the knockover bracket 201, a guide sleeve 203, a knockover link assembly 204, and a support base 205, one end of the knockover bracket 201 is sleeved on the first swing shaft 803, the other end of the knockover bracket 201 is hinged to the support base 205 through the knockover link assembly 204, and the support base 205 is disposed on the frame 1.

The front/back needle bed transmission mechanisms respectively comprise a needle bed connecting rod assembly 301, a latch needle bed 303 and a driving device which are matched with the knockover support 201, the upper end of the needle bed connecting rod assembly 301 is connected with the latch needle bed 303, a guiding device used for guiding the latch needle bed 303 to move up and down is arranged on the knockover support 201, and the lower end of the needle bed connecting rod assembly 301 is connected with the driving device.

In this embodiment, the latch needle bed 303 is disposed on the needle bed holder 302, the latch needle bed 303 includes a needle bed base 3031 disposed on the needle bed holder 302, a needle bed comb 3032 disposed on the needle bed base 3031, and a presser plate 3033 disposed on the needle bed comb 3032, and the latch needles 304 are disposed on the needle bed comb 3032.

The guide device comprises a guide column 305 arranged on the tongue needle bed 303 and a guide sleeve 203 arranged on the knocking over support 201, wherein the guide column 305 is movably arranged in the guide sleeve 203, and the tongue needle bed 303 is guided to move up and down through the guide sleeve 203.

Referring to fig. 7-8:

preferably, the driving device comprises a cam 700 mounted on the first driving shaft 801 or the second driving shaft 802, a roller frame 701 and a push rod 702 connected to the roller frame 701, wherein an upper roller 704 and a lower roller 703 are arranged on the roller frame 701, an annular flange 706 is arranged on the cam 700, the annular flange 706 is clamped between the upper roller 704 and the lower roller 703, the lower roller 703 is positioned on the inner side of the annular flange 706, and the upper roller 704 is positioned on the outer side of the annular flange 706.

Further, the driving means may also be a driving means including an eccentric wheel assembly mounted on the first driving shaft 801 or the second driving shaft 802 and a push rod 702 mounted on the eccentric wheel assembly.

That is, the utility model discloses in can drive through cam mechanism and subside link assembly 401 (and needle bed link assembly 301 and first sley bar link assembly 601), also can drive through the eccentric wheel mechanism and subside link assembly 401 (and needle bed link assembly 301 and first sley bar link assembly 601).

Additionally, the utility model discloses a roller frame 701, go up gyro wheel 704, lower gyro wheel 703 and cam 700 structure replace traditional complicated eccentric wheel structure, equipment only need a driving shaft 801 and No. two driving shafts 802 can, equipment structure is more succinct, takes up an area of the space for a short time, overhauls and maintains conveniently, and the transmission of connecting rod is succinct more clear, has reduced the accumulative total precision error between the middle drive disk assembly effectively, and the precision is more reliable.

Further, the utility model also provides a modified cam structure, including the cam body, be equipped with shaft hole 705 on the cam body, be equipped with on the cam body and be used for the adjustment balancing weight 708 of the focus position of cam body.

Preferably, the weight 708 is locked to the cam body by a screw or bolt.

Preferably, the cam body is provided with a tight ring block 707, the tight ring block 707 is provided with a tight ring hole 713 coaxially arranged with the shaft hole 705, and the tight ring block 707 is provided with a balance weight hole 709.

Preferably, the weight ports 709 are plural, and the plural weight ports 709 are annularly provided on the close ring hole 713.

Preferably, the weight 708 is disposed around the perimeter of the cinch ring block 707.

Preferably, an adjusting notch 710 is formed in the clamping ring block 707, the adjusting notch 710 penetrates from the outer wall to the inner wall of the clamping ring block 707, the adjusting notch 710 extends from one axial end to the other axial end of the clamping ring block 707, an adjusting sinking platform 712 and an adjusting bolt 711 are arranged at the position, corresponding to the adjusting notch 710, of the clamping ring block 707, and an adjusting gap is formed between the adjusting sinking platform 712 and the cam body.

Preferably, a weight 708 is provided at one axial end of the cam body, and an annular flange 706 is provided at the other axial end of the cam body.

The utility model provides a modified cam structure still includes roller frame 701, is equipped with gyro wheel 704 and lower gyro wheel 703 on the roller frame 701, and annular flange 706 presss from both sides and establishes between last gyro wheel 704 and lower gyro wheel 703, forms the guide face that is used for guiding roller frame 701 to reciprocate on the annular flange 706 during the cam body rotates, realizes the guide to roller frame 701 through the fluctuation of guide face, and drive roller frame 701 reciprocates, and lower gyro wheel 703 is located the inboard of annular flange 706, and last gyro wheel 704 is located the outside of annular flange 706.

Adopt the technical scheme of the utility model afterwards, install balancing weight 708 on the cam body, balancing weight 708 can be decided according to the weight condition of cam 700 to reduce cam 700 in high-speed operation, because the eccentric inertia that focus and main shaft decentraction arouse leads to vibrations and the noise of equipment in the operation, promote cam 700's life and operation stationarity.

The utility model discloses because frame 1 operates steadily, the undercarriage 7 of frame 1 can adopt dull and stereotyped 6 to support, specifically sets up the constant head tank on dull and stereotyped 6, installs set screw as undercarriage 7 in the bottom of frame 1, set screw supports the top and is in the constant head tank. The utility model discloses it is complicated not need to adopt the structure again, and the undercarriage spring structure of cost height and easy loss supports, and two about traditional frame 1's undercarriage spring is supported by a plurality of springs two flat boards 6, and the centre also has hydraulic spring to support, and at long-time frame 1 vibration operation in-process, the sealing washer in the hydraulic spring is impaired easily, and the hydraulic oil of inside storage can leak out, causes the whole shock attenuation effect of undercarriage spring to worsen, and pollutes ground. The flat plate 6 is used for supporting, so that the manufacturing cost and the later maintenance cost of the frame 1 can be greatly reduced.

The product form of the present invention is not limited to the embodiment of the present invention, and any person can properly change or modify the product form of the present invention without departing from the scope of the present invention.

Claims (9)

1. The utility model provides a two needle bar warp knitting machine, includes frame, crossbeam, sky axle fixing base, sky axle, davit, driving shaft, No. two driving shafts, lopping device, sley bar device and sley bar cradle drive mechanism, the crossbeam is installed in the frame, a driving shaft with No. two driving shafts are installed respectively in the frame, the lopping device includes that the preceding knockover part of symmetry and back knockover part, the preceding needle bar drive mechanism of symmetry and the preceding drive mechanism and the back of subsiding of back needle bar drive mechanism and symmetry subside drive mechanism, the sley bar device includes the sley bar cradle and installs sley bar on the sley bar cradle, its characterized in that: the fixed cover of one end of davit is established on the zenith, the other end of davit with the middle part of sley bar cradle is articulated mutually, front needle bed drive mechanism with preceding settlement drive mechanism by a driving shaft provides power, back needle bed drive mechanism the back settlement drive mechanism with sley bar cradle drive mechanism by No. two driving shafts provide power.

2. A double needle bed warp knitting machine as claimed in claim 1, characterized in that: sley bar cradle drive mechanism includes swing arm, first sley bar link assembly, fourth pendulum shaft, sley bar swing arm, second sley bar link assembly and drive arrangement under the sley bar, drive arrangement with No. two driving shafts are connected, drive arrangement with first sley bar link assembly connects, first sley bar link assembly with the swing arm is articulated under the sley bar, under the sley bar swing arm with swing arm all fixes on the sley bar on the fourth pendulum shaft, swing arm on the sley bar with second sley bar link assembly is articulated, the upper end of second sley bar link assembly with the sley bar cradle is articulated.

3. A double needle bed warp knitting machine as claimed in claim 1, characterized in that: the front/rear settlement transmission mechanisms respectively comprise a settlement needle bed, a settlement connecting rod assembly, a sinker driving mechanism used for driving the settlement connecting rod assembly to move up and down, a first settlement connecting rod, a second settlement connecting rod, a first swing shaft, a second swing shaft, a settlement main arm, a settlement sub arm, a settlement needle bed, a settlement disengaging swing arm, a settlement swing plate, a settlement disengaging rail seat and a driving device, wherein the settlement main arm and the settlement sub arm are fixed on the first swing shaft, the sinker is installed on the settlement needle bed, the settlement needle bed is installed on the settlement main arm and the settlement sub arm, the driving device is connected with the settlement connecting rod assembly, one end of the first settlement connecting rod is hinged with the settlement connecting rod assembly, the other end of the first settlement connecting rod is hinged with the settlement main arm, one end of the second settlement connecting rod is hinged with the settlement connecting rod assembly, the other end with the one end of subsiding and throwing away the swing arm is articulated, the other end of subsiding and throwing away the swing arm is fixed on the second balance staff, the one end of subsiding the swing board is fixed on the second balance staff, it is equipped with the spout to subside to break away from the rail seat, but subside the other end of swing board through the slip positioning mechanism installation of slip and location in the spout be equipped with on the second balance staff and be used for driving second balance staff pivoted subsides the pull rod.

4. A double needle bed warp knitting machine as claimed in claim 3, characterized in that: preceding/back knockover part is including connecting knocking over support in the frame, connecting knocking over board, guide pin bushing, knockover link assembly and supporting seat on the knockover support, the one end suit of knockover support is in on the first balance staff, the other end of knockover support passes through knockover link assembly articulates on the supporting seat, the supporting seat sets up in the frame.

5. A double needle bed warp knitting machine as claimed in claim 4, characterized in that: the front/back needle bed transmission mechanisms respectively comprise a tongue needle bed, a needle bed connecting rod assembly and a driving device which are matched with the knockover support, the upper end of the needle bed connecting rod assembly is connected with the tongue needle bed, a guiding device used for guiding the tongue needle bed to move up and down is arranged on the knockover support, and the lower end of the needle bed connecting rod assembly is connected with the driving device.

6. A double needle bed warp knitting machine as claimed in claim 5, characterized in that: the guide device comprises a guide post arranged on the tongue needle bed and a guide sleeve arranged on the knocking-over support, and the guide post is movably arranged in the guide sleeve.

7. A double needle bed warp knitting machine as claimed in any one of claims 2, 3 and 5, characterized in that: the driving device comprises a main shaft, a cam arranged on the main shaft, a roller frame arranged on the cam and a push rod arranged on the roller frame, wherein an upper roller and a lower roller are arranged on the roller frame, an annular flange is arranged on the cam, the annular flange is clamped between the upper roller and the lower roller, the lower roller is positioned on the inner side of the annular flange, and the upper roller is positioned on the outer side of the annular flange.

8. A double needle bed warp knitting machine as claimed in any one of claims 2, 3 and 5, characterized in that: the driving device comprises a main shaft, an eccentric wheel assembly arranged on the main shaft and a push rod arranged on the eccentric wheel assembly.

9. A double needle bed warp knitting machine as claimed in claim 7, characterized in that: the cam comprises a cam body, a shaft hole is formed in the cam body, a balancing weight used for adjusting the gravity center position of the cam body is arranged on the cam body, the balancing weight is locked on the cam body through a screw or a bolt, a tight ring block is arranged on the cam body, a tight ring hole coaxially arranged with the shaft hole is formed in the tight ring block, and a balance weight hole is formed in the tight ring block.

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