CN210438908U - Improved raschel single-side warp knitting machine - Google Patents

Abstract

The utility model discloses an improved raschel single-side warp knitting machine, which comprises a looping device, a traction mechanism and a coiling mechanism, wherein fabrics woven by the looping device are sequentially wound on a traction roller and a cloth roller; the looping device comprises a guide bar component, a knocking-over plate, a needle bed component, a settlement component and a looping driving mechanism; the needle bed assembly comprises a latch needle group; the looping driving mechanism comprises a driving motor and a main shaft mechanism, a first eccentric disc, a second eccentric disc and a third eccentric disc are mounted on a main shaft of the main shaft mechanism, a guide bar hanging frame is in transmission connection with the first eccentric disc through a first eccentric connecting rod assembly, a needle bed bracket is in transmission connection with the second eccentric disc through a second eccentric connecting rod assembly, and a settlement swing arm is in transmission connection with the third eccentric disc through a third eccentric connecting rod assembly. The latch needle has firm structure and strong rigidity, so that the knitting of thick raschel single-sided products is realized; meanwhile, each eccentric connecting rod component can be independently adjusted, and the warp knitting machine is suitable for warp knitting machines with multiple guide bars and wide weaving cloth blank range.

Description

Improved raschel single-side warp knitting machine

Technical Field

The utility model relates to a textile machinery equipment field especially relates to a modified raschel single-sided warp knitting machine.

Background

The Raschel warp knitting machine is structurally characterized in that the fabric drawing direction and the needle bar plane form an included angle of more than 140 degrees. It is often used to weave warp knitted fabrics with complex tissue structures, such as curtains, tablecloths, bedspreads, blankets, lace bands, female coats, fishing nets, packaging bags and the like. At present, the raschel single-side warp knitting machine in the market adopts a groove needle structure, and for products requiring thick cloth surfaces, the groove needle and a needle core are easy to draw and deform by adopting the groove needle structure, and defects such as longitudinal strips, napping and the like are easy to appear on the cloth surfaces.

Disclosure of Invention

An object of the utility model is to provide an improved raschel single-face warp knitting machine.

Realize the utility model discloses the technical scheme of purpose is: an improved Raschel single-sided warp knitting machine comprises a looping device, a traction mechanism and a coiling mechanism which are sequentially arranged on a rack from top to bottom, wherein fabrics woven by the looping device are sequentially wound on a traction roller of the traction mechanism and a cloth roller of the coiling mechanism; the looping device comprises a guide bar component fixed on a guide bar hanger, a knockover plate used for knocking over a latch needle, a needle bed component, a settlement component and a looping driving mechanism; the guide bar assembly comprises a guide bar and a guide needle arranged on the guide bar, and the guide bar is fixedly arranged on the guide bar hanging frame; the needle bed assembly comprises a needle bed bracket and a latch needle group arranged on the needle bed bracket; the sedimentation assembly comprises a sedimentation sheet bed with a sedimentation sheet, wherein the sedimentation swing arm is fixed on the sedimentation swing arm; the looping driving mechanism comprises a driving motor and a main shaft mechanism arranged on the frame, the driving motor is connected with the main shaft mechanism in a transmission mode, a first eccentric disc, a second eccentric disc and a third eccentric disc are arranged on a main shaft of the main shaft mechanism along the axial direction of the main shaft mechanism, the guide bar hanging frame is connected with the first eccentric disc through a first eccentric connecting rod assembly in a transmission mode, the needle bed bracket is connected with the second eccentric disc through a second eccentric connecting rod assembly in a transmission mode, and the settlement swing arm is connected with the third eccentric disc through a third eccentric connecting rod assembly in a transmission mode.

Further, the first eccentric connecting rod assembly comprises a first connecting rod, a rocker, a first connecting plate, a second connecting rod, a lower swing arm, a first connecting rod and an upper swing arm which are sequentially hinged from bottom to top; two ends of the rocker are movably sleeved on the two connecting rod frames, one end of each connecting rod is sleeved on the first eccentric disc, and the other end of the connecting rod I is in transmission connection with the rocker through a first pin shaft; first link board and second link board all have two, and the lower tip of two first link boards respectively with rocker below both sides swing joint, and swing joint has a second to link the board on every first upper end that links the board, and two seconds are connected with the second round pin axle between linking the board, second round pin axle and two swing joint of connecting rod, connecting rod two, connecting rod one are located the homonymy of swing arm down with the pin joint of swing arm down, go up the stiff end and the sley bar gallows fixed connection of swing arm, go up the free end of swing arm and articulate with connecting rod one. The third connecting rod assembly is simple in structure, and the transmission structure of the rocker, the first connecting plate and the second connecting plate changes the transmission stroke of the eccentric connecting rod assembly, so that yarn feeding is more stable, and the weaving efficiency is improved.

The utility model adopts the latch needle structure to weave, and can produce thick raschel single-side products because the latch needle structure is firm and the rigidity is strong; meanwhile, each eccentric connecting rod assembly in the looping device is in transmission connection with the main shaft through the corresponding eccentric disc, and each eccentric connecting rod assembly can be independently adjusted, so that the device is particularly suitable for warp knitting machine equipment with multiple guide bars and wide weaving cloth blank range.

Drawings

FIG. 1 is a schematic structural view of a Raschel single-side warp knitting machine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a third connecting rod assembly according to the embodiment of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is a sectional view taken along line B-B of FIG. 2;

fig. 5 is a schematic structural view of the looping driving mechanism according to the embodiment of the present invention.

Detailed Description

The following description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1 and 5, an improved raschel single-side warp knitting machine comprises a looping device 1, a drawing mechanism 2 and a winding mechanism 3 which are sequentially arranged on a frame 100 from top to bottom, wherein a fabric 10 knitted from the looping device 1 is sequentially wound on a drawing roller 21 of the drawing mechanism 2 and a cloth roller 31 of the winding mechanism 3; the looping device 1 mainly comprises a guide bar component 11 fixed on a guide bar hanger 111, a knockover plate 12 for knocking over a latch needle, a needle bed component 13, a settlement component 14 and a looping driving mechanism 15; the guide bar assembly 11 comprises a guide bar 112 and a guide needle 113 mounted on the guide bar 112, the guide bar 112 is fixedly mounted on a guide bar hanger 111; the needle bed assembly 13 comprises a needle bed bracket 131 and a latch needle group 132 arranged on the needle bed bracket 131; the sedimentation assembly 14 comprises a sedimentation swing arm 141 and a sinker bed 142 with a sinker fixed on the sedimentation swing arm 141; the looping driving mechanism comprises a driving motor 151 and a main shaft mechanism 152 installed on the frame, the driving motor 151 is in transmission connection with the main shaft mechanism 152, a first eccentric disc 41, a second eccentric disc 42 and a third eccentric disc 43 are installed on a main shaft 1521 of the main shaft mechanism 152 along the axial direction of the main shaft mechanism, the guide bar hanger 111 is in transmission connection with the first eccentric disc 41 through a first eccentric connecting rod assembly 16, the needle bed bracket 131 is in transmission connection with the second eccentric disc 42 through a second eccentric connecting rod assembly 17, and the settlement swing arm 141 is in transmission connection with the third eccentric disc 43 through a third eccentric connecting rod assembly 18.

As shown in fig. 2 to 5, the first eccentric link assembly 16 includes a first link 161, a rocker 162, a first link 163, a second link 164, a second link 165, a lower swing arm 166, a first link 167, and an upper swing arm 168, which are hinge-mounted in this order from bottom to top; two ends of the rocker 162 are movably sleeved on the two connecting rod frames 169, one end of the first connecting rod 161 is sleeved on the first eccentric disc 41, and the other end of the first connecting rod 161 is in transmission connection with the rocker 162 through the first pin shaft 20; first link plate 163 and second link plate 164 all have two, and lower tip 1631 of two first link plates 163 respectively with rocker 162 below both sides swing joint, swing joint has a second link plate 164 on the upper end 1632 of every first link plate 163, is connected with second round pin axle 30 between two second link plates 164, second round pin axle 30 and two link rod 165 swing joint, link rod two 165, link rod 167 are located the homonymy of swing arm 166 down with the pin joint of swing arm 166 down, it has stiff end 1681 and free end 1682 to go up swing arm's stiff end 1681 and sley bar gallows 111 fixed connection, and the free end 1682 of going up swing arm is articulated with link rod 167.

The working principle is as follows: the warp feeding mechanism (not shown) unwinds the warp on the warp beam and feeds the warp into the looping device, a first eccentric connecting rod assembly of the looping device drives a guide bar hanger to run at a high speed along with the high-speed rotation of a main shaft, a second eccentric connecting rod assembly drives a latch needle on a needle bed to move at a high speed along with the high-speed rotation of the main shaft, a third eccentric connecting rod assembly drives a sinker to move at a high speed along with the high-speed rotation of the main shaft, therefore, the yarns are bent into loops and mutually penetrate, a warp knitted fabric is formed, and the fabric is pulled out by a pulling roll of the pulling mechanism and is wound into a cloth roll on a cloth. The utility model discloses well lopping device utilizes latch needle group and knockover plate to replace groove needle group, has realized weaving of thick raschel single face product, and simultaneously, every eccentric link subassembly is connected with spindle drive through the eccentric disc that corresponds respectively in the lopping device, and every eccentricity and angle of more tradition all fixed bent axle structure can realize the independent adjustment of needle bed/sley bar/sinker, and need not to change whole root bent axle, is particularly useful for many sley bars and weaves the wide tricot machine equipment of cloth base scope.

The guide bar component, the knockover plate, the needle bed component, the settlement component, the driving motor, the traction mechanism and the winding mechanism of the looping device are conventional structures of warp knitting machines, are recorded in relevant teaching materials and documents of various warp knitting machines, and are not described again; the driving motor is in transmission connection with the spindle mechanism through a conventional transmission mode in the mechanical field such as belt transmission; first eccentric connecting rod group, second eccentric connecting rod group, third eccentric connecting rod group are the conventional connecting rod transmission structure of mechanical field, nevertheless the utility model discloses well preferred first eccentric connecting rod subassembly connecting rod quantity is few, compact structure, and rocker, first even transmission structure of board and second even board have changed eccentric connecting rod subassembly transmission stroke, make the yarn of feeding more stable, have improved and have woven efficiency.

The above only be the embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all utilize the equivalent flow transform that the content of the specification was made, or direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses a patent protection within range.

Claims (2)

1. An improved Raschel single-sided warp knitting machine comprises a looping device, a traction mechanism and a coiling mechanism which are sequentially arranged on a rack from top to bottom, wherein fabrics woven by the looping device are sequentially wound on a traction roller of the traction mechanism and a cloth roller of the coiling mechanism; the method is characterized in that: the looping device mainly comprises a guide bar component fixed on a guide bar hanger, a knockover plate used for knocking over a latch needle, a needle bed component, a settlement component and a looping driving mechanism; the guide bar assembly comprises a guide bar and a guide needle arranged on the guide bar, and the guide bar is fixedly arranged on the guide bar hanging frame; the needle bed assembly comprises a needle bed bracket and a latch needle group arranged on the needle bed bracket; the sedimentation assembly comprises a sedimentation sheet bed with a sedimentation sheet, wherein the sedimentation swing arm is fixed on the sedimentation swing arm; the looping driving mechanism comprises a driving motor and a main shaft mechanism arranged on the frame, the driving motor is connected with the main shaft mechanism in a transmission mode, a first eccentric disc, a second eccentric disc and a third eccentric disc are arranged on a main shaft of the main shaft mechanism along the axial direction of the main shaft mechanism, the guide bar hanging frame is connected with the first eccentric disc through a first eccentric connecting rod assembly in a transmission mode, the needle bed bracket is connected with the second eccentric disc through a second eccentric connecting rod assembly in a transmission mode, and the settlement swing arm is connected with the third eccentric disc through a third eccentric connecting rod assembly in a transmission mode.

2. A raschel single-face warp knitting machine according to claim 1, characterized in that: the first eccentric connecting rod assembly comprises a first connecting rod, a rocker, a first connecting plate, a second connecting rod, a lower swing arm, a first connecting rod and an upper swing arm which are sequentially hinged from bottom to top; two ends of the rocker are movably sleeved on the two connecting rod frames, one end of each connecting rod is sleeved on the first eccentric disc, and the other end of the connecting rod I is in transmission connection with the rocker through a first pin shaft; first link board and second link board all have two, and the lower tip of two first link boards respectively with rocker below both sides swing joint, and swing joint has a second to link the board on every first upper end that links the board, and two seconds are connected with the second round pin axle between linking the board, second round pin axle and two swing joint of connecting rod, connecting rod two, connecting rod one are located the homonymy of swing arm down with the pin joint of swing arm down, go up the stiff end and the sley bar gallows fixed connection of swing arm, go up the free end of swing arm and articulate with connecting rod one.

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