CN110592797A - Double needle bar warp knitting machine - Google Patents
Double needle bar warp knitting machine Download PDFInfo
- Publication number
- CN110592797A CN110592797A CN201910886067.2A CN201910886067A CN110592797A CN 110592797 A CN110592797 A CN 110592797A CN 201910886067 A CN201910886067 A CN 201910886067A CN 110592797 A CN110592797 A CN 110592797A
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- CN
- China
- Prior art keywords
- settlement
- needle bed
- sley bar
- connecting rod
- guide bar
- Prior art date
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- 238000009940 knitting Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 93
- 230000005540 biological transmission Effects 0.000 claims abstract description 63
- 230000005484 gravity Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 abstract description 7
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000004062 sedimentation Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B23/00—Flat warp knitting machines
- D04B23/02—Flat warp knitting machines with two sets of needles
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/06—Needle bars; Sinker bars
- D04B27/08—Driving devices therefor
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/10—Devices for supplying, feeding, or guiding threads to needles
- D04B27/24—Thread guide bar assemblies
Abstract
The invention relates to a double needle bed warp knitting machine, which comprises a frame, a cross 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, wherein the head axis fixing seat is arranged on the frame; 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 device has the advantages of simple structure, easy control of precision and simple operation.
Description
Technical Field
The invention relates to the technical field of warp knitting machines, in particular to a double-needle bed warp knitting machine.
Background
A conventional warp knitting machine, as disclosed in chinese 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.
Disclosure of Invention
The invention aims to provide a double-needle bed warp knitting machine which is simpler in structure, high in precision and simple to operate.
In order to achieve the purpose, the invention 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 invention, the guide bar cradle transmission mechanism includes a guide bar upper swing arm, a first guide bar connecting rod assembly, a fourth swing shaft, a guide bar lower swing arm, a second guide bar connecting rod assembly and a driving device, the driving device is connected with the second driving shaft, the driving device is connected with the first guide bar connecting rod assembly, the first guide bar connecting rod assembly is hinged to the guide bar lower swing arm, the guide bar lower swing arm and the guide bar upper swing arm are both fixed on the fourth swing shaft, the guide bar upper swing arm is hinged to the second guide bar connecting rod assembly, and the upper end of the second guide bar connecting rod assembly is hinged to the guide bar cradle.
As a preferable mode of the invention, each of the front/rear sinking transmission mechanisms includes a sinking needle bed, a sinking link assembly, a sinker driving mechanism for driving the sinking link assembly to move up and down, a first sinking link, a second sinking link, a first swing shaft, a second swing shaft, a main sinking arm, a sinking sub-arm, a sinking needle bed, a sinker, a sinking throw-off swing arm, a sinking swing plate, a sinking throw-off rail seat, and a driving device, the main sinking arm and the sinking sub-arm are fixed on the first swing shaft, the sinker is mounted on the sinking needle bed, the sinking needle bed is mounted on the main sinking arm and the sinking sub-arm, the driving device is connected with the sinking link assembly, one end of the first sinking link is hinged to the sinking link assembly, the other end is hinged to the main sinking arm, one end of the second sinking link is hinged to the sinking link 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 preferable mode of the invention, each of the front/rear knockover portions includes a knockover bracket connected to the frame, a knockover plate connected to the knockover bracket, a guide sleeve, a knockover link assembly, and a support base, one end of the knockover bracket is fitted over the first swing shaft, the other end of the knockover bracket is hinged to the support base through the knockover link assembly, and the support base is disposed on the frame.
As a preferable mode of the invention, each of the front and rear needle bed transmission mechanisms includes a tongue needle bed, a needle bed link assembly, and a driving device, which are engaged with the knockover support, the upper end of the needle bed link assembly is connected to the tongue needle bed, a guide device for guiding the tongue needle bed to move up and down is provided on the knockover support, and the lower end of the needle bed link assembly is connected to the driving device.
In a preferred aspect of the present invention, the guide device includes a guide post provided on the tongue needle bed and a guide bush provided on the knockover holder, and the guide post is movably disposed in the guide bush.
In a preferred aspect of the present invention, the driving device includes a main shaft, a cam mounted on the main shaft, a roller frame disposed on the cam, and a push rod provided on the roller frame, the roller frame is provided with an upper roller and a lower roller, the cam is provided with an annular flange, the annular flange is interposed between the upper roller and the lower roller, the lower roller is located inside the annular flange, and the upper roller is located outside the annular flange.
As a preferred mode of the invention, the driving device includes a main shaft, an eccentric wheel assembly mounted on the main shaft, and a push rod provided on the eccentric wheel assembly.
As a preferable mode of the invention, the cam comprises a cam body, a shaft hole is arranged on the cam body, a balancing weight 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 arranged on the tight ring block, and a balance weight hole is arranged on the tight ring block.
Compared with the traditional double needle bed warp knitting machine, the invention adopts the self-transmission of the guide bar cradle transmission mechanism, and compared with the traditional composite transmission which can be realized only by matching the guide bar cradle upper swing transmission mechanism with the guide bar cradle lower swing transmission mechanism, the invention has simpler structure, more convenient operation and easier control of precision.
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 front/back needle bed driving mechanism of the present invention;
FIG. 4 is a partial perspective view of the front/back needle bed driving mechanism according to the present invention;
FIG. 5 is a schematic view showing the construction of the fore/aft sinking gear mechanism of the present invention (FIG. 4 is a view imaginarily removing the sinking sub-arm from the first swing axis);
FIG. 6 is a schematic view of the construction of the guide bar cradle drive mechanism of the present invention;
FIG. 7 is a schematic view of the cam cooperating roller frame of the present invention;
FIG. 8 is a schematic view of a cam according to 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 detailed description is made with reference to the embodiments.
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 guide bar 102 of the present invention is at least one guide bar 102, and the guide bar 102 can be a jacquard guide bar or a common guide 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.
Compared with the traditional double needle bar warp knitting machine, the self-transmission of the guide bar cradle transmission mechanism 600 is adopted, and compared with the traditional composite transmission (shown in figure 1) which can be realized only by matching the guide bar cradle upper swing transmission mechanism 500 with the guide bar cradle lower swing transmission mechanism 500', the self-transmission double needle bar warp knitting machine has the advantages of simpler structure, more convenient operation and easier control on precision.
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.
After the technical scheme of the invention is adopted, the sedimentation needle bed 406 is stably supported by the sedimentation main arm 404 and the sedimentation auxiliary arm 405, so that the long-time stable work of a sinker is ensured, when the sliding positioning mechanism is loosened, the sedimentation pull rod 410 is pushed, the sedimentation swinging plate 409 and the sedimentation disengagement swinging arm 408 can be driven to swing, so that the sedimentation needle bed 406 is far away from or close to the center of equipment, the overhaul operation of the equipment is facilitated, when the rack 1 is started, the sedimentation pull rod 410 is pushed, the related components return, and the positioning is carried out through the sliding positioning mechanism, so that the sedimentation swinging plate 409 and the sedimentation disengagement swinging arm 408 are fixed.
It is to be noted that the front/rear sinking transmission mechanism in 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, in the present invention, the sinking link assembly 401 (and the needle-bed link assembly 301 and the first guide bar link assembly 601) may be driven by a cam mechanism, and the sinking link assembly 401 (and the needle-bed link assembly 301 and the first guide bar link assembly 601) may also be driven by an eccentric mechanism.
In addition, the roller frame 701, the upper roller 704, the lower roller 703 and the cam 700 are adopted to replace the traditional complex eccentric wheel structure, the equipment only needs the first driving shaft 801 and the second driving shaft 802, the equipment structure is simpler, the occupied space is small, the overhaul and maintenance are convenient, the transmission of the connecting rod is simpler and clearer, the accumulated precision error between the middle transmission parts is effectively reduced, and the precision is more reliable.
Further, the invention also provides an improved cam structure, which comprises a cam body, wherein the cam body is provided with a shaft hole 705, and the cam body is provided with a balancing weight 708 for adjusting the gravity center position of the 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 invention provides an improved cam structure which also comprises a roller frame 701, wherein the roller frame 701 is provided with an upper roller 704 and a lower roller 703, an annular flange 706 is clamped between the upper roller 704 and the lower roller 703, a guide surface for guiding the roller frame 701 to move up and down is formed on the annular flange 706, when the cam body rotates, the roller frame 701 is guided by the fluctuation of the guide surface to drive the roller frame 701 to move up and down, 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.
After the technical scheme of the invention is adopted, the cam body is provided with the balancing weight 708, and the balancing weight 708 can be determined according to the weight condition of the cam 700, so that the vibration and noise of equipment in operation caused by eccentric inertia caused by the eccentricity of the gravity center and the main shaft when the cam 700 runs at a high speed are reduced, and the service life and the running stability of the cam 700 are improved.
According to the invention, the rack 1 runs stably, the machine leg 7 of the rack 1 can be supported by the flat plate 6, specifically, the flat plate 6 is provided with a positioning groove, the bottom of the rack 1 is provided with a positioning screw as the machine leg 7, and the positioning screw abuts against the positioning groove. The invention does not need to adopt a machine foot spring structure with complex structure, high manufacturing cost and easy damage for supporting, the machine foot spring of the traditional frame 1 is supported by a plurality of springs to support an upper flat plate 6 and a lower flat plate 6, and a hydraulic spring is arranged in the middle of the machine foot spring, a sealing ring in the hydraulic spring is easy to damage in the long-time vibration operation process of the frame 1, and hydraulic oil stored in the hydraulic spring can leak out, so that the whole damping effect of the machine foot spring is deteriorated, and the ground is polluted. 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 embodiments, and any suitable changes or modifications of the similar ideas by anyone should be considered as not departing from the patent scope of the present invention.
Claims (9)
1. 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.
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 guide 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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| CN201910886067.2A CN110592797A (en) | 2019-09-19 | 2019-09-19 | Double needle bar warp knitting machine |
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| CN201910886067.2A CN110592797A (en) | 2019-09-19 | 2019-09-19 | Double needle bar warp knitting machine |
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| CN201910886067.2A Pending CN110592797A (en) | 2019-09-19 | 2019-09-19 | Double needle bar warp knitting machine |
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