CN108221164B - Jacquard device based on cam mechanism of warp knitting machine - Google Patents
Jacquard device based on cam mechanism of warp knitting machine Download PDFInfo
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- CN108221164B CN108221164B CN201810212279.8A CN201810212279A CN108221164B CN 108221164 B CN108221164 B CN 108221164B CN 201810212279 A CN201810212279 A CN 201810212279A CN 108221164 B CN108221164 B CN 108221164B
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- guide bar
- sedimentation
- transmission mechanism
- cam
- connecting rod
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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
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- 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
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- 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
- D04B27/04—Sinkers
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- 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
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- 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
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- 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
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- 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
- D04B27/32—Thread guide bar assemblies with independently-movable thread guides controlled by Jacquard mechanisms
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
- D04B35/04—Latch needles
Abstract
The invention relates to the field of knitting machinery, in particular to a jacquard device based on a cam mechanism of a warp knitting machine, which comprises a frame, a looping device, a guide bar device and a transmission device, wherein the looping device comprises a front loop-off part, a rear loop-off part, a front needle bed part, a rear needle bed part, a front settlement part and a rear settlement part which are symmetrically arranged respectively; the front needle bed part and the rear needle bed part respectively comprise a tongue needle bed and a bracket component used for enabling the tongue needle bed to be movably connected with the guide arm component, the tongue needle bed is arranged on the bracket component, the tongue needle is arranged on the tongue needle bed, a guide pillar is arranged on the guide arm component, and the bracket component is sleeved on the guide pillar. The jacquard device based on the cam mechanism of the warp knitting machine is convenient to install and adjust, long in service life and high in quality of produced products.
Description
Technical Field
The invention relates to the field of knitting machinery, in particular to a jacquard device based on a cam mechanism of a warp knitting machine.
Background
The jacquard warp knitting machine is a warp knitting machine with a jacquard device and comprises a looping device, a guide bar device and a transmission device, the jacquard needle is driven by the jacquard device to carry out jacquard knitting, the jacquard pattern can be quite large, and the shape is not limited. Wherein the looping device comprises symmetrical front and rear loop-off parts, symmetrical front and rear needle bed parts and symmetrical front and rear settlement parts; the guide bar device comprises a guide bar bed assembly and a guide bar seat which is movably connected with the middle part of the guide bar bed assembly, the upper end of the guide bar bed assembly is hung on an upper swinging shaft of the frame, the guide bar bed assembly is provided with a guide bar, and the guide bar is connected with a guide needle; the transmission device comprises a front needle bed transmission mechanism and a rear needle bed transmission mechanism which correspond to the front needle bed part and the rear needle bed part, a front sedimentation transmission mechanism and a rear sedimentation transmission mechanism which correspond to the front sedimentation part and the rear sedimentation part, and a guide bar bed assembly upper swing transmission mechanism and a guide bar bed assembly lower swing transmission mechanism. The cam mechanism is adopted by each transmission mechanism generally, or the cam and the eccentric disc mechanism are combined for transmission, the existing cam applied to the warp knitting machine has large clearance with a roller component on an output shaft, the matching degree is low, the adjustment is not easy during the installation, noise is easy to generate during the operation of the equipment, and the abrasion is generated, so that the service life of the cam is influenced; and when the transmission mechanism is installed, because the phase angles of the cams and the eccentric discs are different, multiple debugging is needed during installation, so that the transmission mechanisms are mutually matched, and the looping device and the guide bar device are matched to run to achieve the production purpose. The whole installation, debugging and correction processes are mostly manually adjusted, and the whole process is complex and tedious and cannot be simply and effectively carried out.
Disclosure of Invention
Therefore, the invention aims at the problems, and provides the jacquard device based on the cam mechanism of the warp knitting machine, which is convenient to install and adjust, long in service life and high in quality of produced products.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the jacquard device based on the cam mechanism of the warp knitting machine comprises a frame, a looping device, a guide bar device and a transmission device, wherein the looping device is arranged on the frame and comprises a front loop-off part, a rear loop-off part, a front needle bed part, a rear needle bed part, a front settlement part and a rear settlement part which are respectively and symmetrically arranged;
the front needle bed part and the rear needle bed part respectively comprise a tongue needle bed and a bracket component used for enabling the tongue needle bed to be movably connected with the guide arm component, the tongue needle bed is arranged on the bracket component, the tongue needle is arranged on the tongue needle bed, a guide post is arranged on the guide arm component, and the bracket component is sleeved on the guide post;
the front sedimentation part and the rear sedimentation part respectively comprise a sedimentation auxiliary arm, a sedimentation piece bed fixed at the upper end of the sedimentation auxiliary arm and a sedimentation piece arranged on the sedimentation piece bed, and the lower end of the sedimentation auxiliary arm is connected to a second swing shaft on the frame;
the guide bar device comprises a guide bar bed assembly and a guide bar seat fixedly connected with the guide bar bed assembly, wherein the upper end of the guide bar bed assembly is hung on a first swinging shaft of the frame, the first swinging shaft is fixedly connected with an upper swinging arm assembly, the guide bar bed assembly consists of a plurality of guide bar beds and a plurality of guide needles, each guide bar bed is arranged on the guide bar seat, each guide needle is arranged on the guide bar bed, and at least one guide needle is a piezoelectric ceramic jacquard needle;
the transmission device comprises a front sinking cam transmission mechanism and a rear sinking cam transmission mechanism which are symmetrically arranged and used for pushing the sinking auxiliary arm to move, a front latch needle cam transmission mechanism and a rear latch needle cam transmission mechanism which are used for pushing the bracket component to move, a guide bar cam transmission mechanism which is used for pushing the guide bar seat to move, and an eccentric disc mechanism which is used for pushing the upper swing arm component to move;
the output shafts of the front sedimentation cam transmission mechanism and the rear sedimentation cam transmission mechanism are connected to the second swing shaft through a sedimentation connecting rod group, the sedimentation connecting rod group comprises a first sedimentation connecting rod, a second sedimentation connecting rod, a third sedimentation connecting rod and a fourth sedimentation connecting rod, one end of the second sedimentation connecting rod is fixed on the second swing shaft, the other end of the second sedimentation connecting rod is hinged with the first sedimentation connecting rod, the output shafts of the front sedimentation cam transmission mechanism and the rear sedimentation cam transmission mechanism are hinged with the free end of the first sedimentation connecting rod and one end of the third sedimentation connecting rod, the other end of the third sedimentation connecting rod is hinged with the fourth sedimentation connecting rod, and the free end of the fourth sedimentation connecting rod is hinged on the frame;
the output shafts of the front latch needle cam transmission mechanism and the rear latch needle cam transmission mechanism are hinged to the lower end of the bracket assembly, and the bracket assembly is pushed to reciprocate along the guide post;
the guide bar cam transmission mechanism comprises a guide bar cam output shaft, a guide bar upper swing arm, a guide bar lower swing arm and a guide bar connecting rod for connecting the guide bar lower swing arm and a guide bar seat, one end of the guide bar connecting rod is hinged to the guide bar seat, the other end of the guide bar connecting rod is fixedly connected to the guide bar lower swing arm, the guide bar upper swing arm and the guide bar lower swing arm are fixedly connected to a third swing shaft on the frame, and the guide bar cam output shaft is hinged to the guide bar lower swing arm;
the eccentric disc mechanism comprises an eccentric disc output shaft, an upper swing shaft swing arm and an upper swing arm connecting rod, one end of the upper swing arm connecting rod is hinged to the upper swing arm assembly, the other end of the upper swing arm connecting rod is fixedly connected to the upper swing shaft swing arm, the upper swing shaft swing arm is hinged to a fourth swing shaft on the frame, and the end part of the eccentric disc output shaft is hinged to the upper swing shaft swing arm;
the front sinking cam transmission mechanism, the front latch needle cam transmission mechanism and the eccentric disc mechanism are driven by a first main shaft, and the rear sinking cam transmission mechanism, the rear latch needle cam transmission mechanism and the guide bar cam transmission mechanism are driven by a second main shaft;
the machine frame is also provided with two symmetrically distributed two connecting rod bracket components respectively used for installing the front sinking cam transmission mechanism, the front latch needle cam transmission mechanism, the eccentric disc mechanism and the rear sinking cam transmission mechanism, the rear latch needle cam transmission mechanism and the guide bar cam transmission mechanism, and the first main shaft and the second main shaft are respectively installed on the two connecting rod bracket components.
Preferably, the front settlement cam transmission mechanism, the rear settlement cam transmission mechanism, the front latch needle cam transmission mechanism, the rear latch needle cam transmission mechanism and the guide bar cam transmission mechanism all comprise roller supports hinged to the frame and cams arranged on the first main shaft or the second main shaft, outer roller assemblies are arranged on the roller supports, cam output shafts are arranged on the outer roller assemblies, rollers on the outer roller assemblies are in contact with outer curved surfaces of the cams, inner roller assemblies used for enabling the rollers on the outer roller assemblies to keep in contact with the outer curved surfaces of the cams are further arranged on the roller supports at one end of the outer roller assemblies, the inner roller assemblies are in contact with the inner curved surfaces of the cams, and through grooves distributed along the radial directions of the cams are formed in the rotating center of the cams.
Preferably, the installation shaft of the idler wheel on the inner idler wheel assembly is an eccentric shaft, and the cam is provided with an installation pin hole for installing and positioning the cam.
Preferably, two tooling frames which are symmetrically distributed and used for installing two connecting rod frame assemblies are further arranged on the frame, a horizontal datum plane and a connecting shaft are arranged on each tooling frame, one end of each connecting shaft is installed on the tooling frame through a fixing flange, the other end of each connecting shaft is connected with one end of the first main shaft or one end of the second main shaft through a connecting sleeve and a locking ring, a datum flange is arranged at the free end of the first main shaft or the free end of the second main shaft, a plurality of locating pin holes which are matched with each cam for use to locate phase angles are formed in the datum flange, and after the transmission device is installed, the installation pin holes and the locating pin holes on each cam are respectively consistent with the distance of the datum plane.
Preferably, each of the linkage assemblies includes a base plate and a plurality of connection plates uniformly and vertically distributed on the base plate, and the transmission is installed between the connection plates.
By adopting the technical scheme, the invention has the beneficial effects that: the jacquard warp knitting machine provided by the invention has the advantages that the flower-shaped loops of the produced product are plumter, so that the woven jacquard fabric has higher tensile, tearing and abrasion resistance, a jacquard technology can produce a seamless product with individuality, a designer gives full play to creativity, a tubular streamline or lace design is utilized to produce clothing with more attractive force, special materials such as conjoined underwear, underclothes and the like bring soft feeling to skin, the air permeability brought by jacquard meshes, and the extremely comfortable fabric produced by a perfect seamless technology can bring good wearing enjoyment to people, and the use of stretch yarn can bring the clothing to fit closely; the cam mechanism adopted by the transmission device is structurally provided with the inner roller component, so that the outer roller component and the inner roller component are tightly contacted with the outer curved surface and the inner curved surface of the cam, the clearance is very small, through grooves distributed along the radial direction of the cam are formed, the cam can generate a certain tiny deformation during operation, the clearance is almost zero when the cam contacts with rollers on the outer roller component and the inner roller component, the noise is not easy to generate during high-speed operation of equipment, the service life of the cam is longer because the curved surface of the cam is tightly attached with the rollers on the outer roller component and the inner roller component, and the cam is not easy to wear, and the installation shaft of the inner roller component adopts an eccentric shaft, so that the purpose of tightly attaching the inner roller component and the outer roller component with the inner curved surface and the outer curved surface of the cam after installation is achieved by adjusting the eccentric shaft during installation, and the production and the installation of equipment are facilitated; meanwhile, the structure form of arranging the reference flange is adopted, when each transmission mechanism is installed, only the installation pin holes on each transmission mechanism are required to be consistent with the heights of each positioning pin hole and the reference surface, the installation and correction modes are simple and direct, the efficiency is high, and the complicated correction step of each transmission mechanism by manpower in the past is omitted; the independent connecting rod rest assembly is arranged, when the equipment is installed, each transmission mechanism is firstly installed on the connecting rod rest assembly in advance, and then the connecting rod rest assembly is integrally installed in the tool rest, so that the installation of each transmission mechanism is facilitated, and inconvenience caused by position factors during the installation and correction of each transmission mechanism is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of another view according to the embodiment of the present invention;
FIG. 3 is a schematic view of the construction of a bar bed assembly according to an embodiment of the present invention;
FIG. 4 is a schematic view of a cam mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic view of a cam mechanism according to another embodiment of the present invention;
FIG. 6 is a schematic side view of a cam mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic perspective view of a tooling frame according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a front view structure of a tool rack according to an embodiment of the present invention;
FIG. 9 is a schematic view of a reference flange according to an embodiment of the present invention;
fig. 10 is a schematic view of the structure of a linkage assembly according to an embodiment of the present invention.
Description of the embodiments
The following describes embodiments of the present invention in detail with reference to specific examples, so as to solve the technical problem by applying the technical means to the present invention, and the implementation process for achieving the technical effect can be fully understood and implemented accordingly.
Examples
Referring to fig. 1, 2 and 3, a jacquard device based on a cam mechanism of a warp knitting machine comprises a frame 100, and a looping device, a guide bar device and a transmission device which are installed on the frame 100, wherein the looping device comprises a front loop-off part 10 and a rear loop-off part 10', a front needle bed part 20 and a rear needle bed part 20', a front sedimentation part 30 and a rear sedimentation part 30' which are respectively and symmetrically arranged;
the front knockover portion 10 and the rear knockover portion 10' respectively include a guide arm assembly 11 connected to the frame 100 and a knockover plate mounted on the guide arm assembly 11;
the front needle bed portion 20 and the rear needle bed portion 20' respectively comprise a latch needle bed and a bracket assembly 21 for dynamically connecting the latch needle bed and the guide arm assembly 11, the latch needle bed is mounted on the bracket assembly 21, latch needles are mounted on the latch needle bed, a guide post 111 is arranged on the guide arm assembly 11, the bracket assembly 21 is sleeved on the guide post 111, and the bracket assembly 21 can reciprocate along the guide post 111;
the front sedimentation part 30 and the rear sedimentation part 30' respectively comprise a sedimentation auxiliary arm 31, a sedimentation sheet bed fixed at the upper end of the sedimentation auxiliary arm 31 and sedimentation sheets arranged on the sedimentation sheet bed, and the lower end of the sedimentation auxiliary arm 31 is connected to a swing shaft 102 on the frame 100;
the guide bar device comprises a guide bar bed assembly 40 and a guide bar seat 41 fixedly connected with the guide bar bed assembly 40, wherein the upper end of the guide bar bed assembly 40 is hung on a swinging shaft 101 of a frame 100, an upper swinging arm assembly 42 is fixedly connected to the first swinging shaft 101, the guide bar bed assembly 40 consists of six guide bar beds 401 and six guide needles 402, each guide bar bed 401 is installed on the guide bar seat 41, and each guide needle 402 is installed on the guide bar bed 401, wherein two guide needles 402 are piezoelectric ceramic jacquard needles 402' as shown in fig. 3; the deflection of the piezoelectric ceramic jacquard needle 402' is controlled by the piezoelectric ceramic jacquard element on the warp knitting machine, which consists of two pieces of piezoelectric ceramic, which are isolated (insulated) by a glass fiber layer. Piezoelectric ceramics have the property of deforming themselves when a voltage is applied, and electrodes having excellent elasticity and conductivity are used for transmitting the voltage. 220V voltage is alternately applied to two sides of the piezoelectric ceramic jacquard element through switching of circuit switches at two sides, and the piezoelectric ceramic deforms, so that the yarn guide needle is shifted leftwards or rightwards. Because the piezoelectric ceramic effect is like a capacitor, the piezoelectric ceramic jacquard element can be kept at the offset position, and the offset of the needle distance is controlled by the current pulse.
The transmission device comprises a front sinking cam transmission mechanism 50 and a rear sinking cam transmission mechanism 50 'which are symmetrically arranged and used for pushing the sinking auxiliary arm to move, a front latch needle cam transmission mechanism 60 and a rear latch needle cam transmission mechanism 60' which are used for pushing the bracket assembly 21 to move, a guide bar cam transmission mechanism 70 which is used for pushing the guide bar seat to move, and an eccentric disc mechanism 80 which is used for pushing the upper swing arm assembly to move;
the output shafts of the front sedimentation cam transmission mechanism 50 and the rear sedimentation cam transmission mechanism 50 'are connected to the balance shaft 102 through a sedimentation link group 51, the sedimentation link group 51 comprises a sedimentation link 511, a sedimentation link 512, a sedimentation link 513 and a sedimentation link 514, one end of the sedimentation link 512 is fixed on the balance shaft 102, the other end is hinged with the sedimentation link 511, the output shafts of the front sedimentation cam transmission mechanism 50 and the rear sedimentation cam transmission mechanism 50' are mutually hinged with the free ends of the sedimentation link 511 and one end of the sedimentation link 513, the other end of the sedimentation link 513 is hinged with the sedimentation link 514, and the free end of the sedimentation link 514 is hinged on the frame 100; by pushing the sedimentation link 511 and the sedimentation link 512, the sedimentation sub-arm 31 is rotated to drive the sinker 312 to move, and the sedimentation link 513 and the sedimentation link 514 are provided as adjusting mechanisms for restricting and adjusting the front sedimentation portion 30 and the rear sedimentation portion 30';
the output shafts of the front latch needle cam transmission mechanism 60 and the rear latch needle cam transmission mechanism 60' are hinged at the lower end of the bracket assembly 21, so as to push the bracket 22 assembly to reciprocate along the guide post 111;
the guide bar cam transmission mechanism 70 comprises a guide bar cam output shaft 71, a guide bar upper swing arm 72, a guide bar lower swing arm 73 and a guide bar connecting rod 74 for connecting the guide bar lower swing arm 73 and the guide bar seat 41, one end of the guide bar connecting rod 74 is hinged to the guide bar seat 41, the other end of the guide bar connecting rod is fixedly connected to the guide bar lower swing arm 73, the guide bar upper swing arm 72 and the guide bar lower swing arm 73 are fixedly connected to the swing shaft 103 on the frame 100, and the guide bar cam output shaft 71 and the guide bar lower swing arm 73 are hinged to each other;
the eccentric disc mechanism 80 comprises an eccentric disc output shaft 81, an upper swing shaft swing arm 82 and an upper swing arm connecting rod 83, one end of the upper swing arm connecting rod 83 is hinged to the upper swing arm assembly 42, the other end of the upper swing arm connecting rod is fixedly connected to the upper swing shaft swing arm 82, the upper swing shaft swing arm 82 is hinged to a swing shaft 104 on the frame 100, and the end part of the eccentric disc output shaft 81 is hinged to the upper swing shaft swing arm 82;
the front sinking cam transmission mechanism 50, the front latch needle cam transmission mechanism 60 and the eccentric disc mechanism 80 are driven by a main shaft a, and the rear sinking cam transmission mechanism 50', the rear latch needle cam transmission mechanism 60' and the guide bar cam transmission mechanism 70 are driven by a main shaft b;
the frame 100 is further provided with two symmetrically distributed two link frame assemblies 300 for respectively mounting the front sinking cam transmission mechanism 50, the front latch needle cam transmission mechanism 60, the eccentric disc mechanism 80 and the rear sinking cam transmission mechanism 50', the rear latch needle cam transmission mechanism 60', and the guide bar cam transmission mechanism 70, and the main shaft a and the main shaft b are respectively mounted on the two link frame assemblies 300.
In this embodiment, as shown in fig. 4-6 (taking one transmission mechanism as an example), the front setting cam transmission mechanism 50 and the rear setting cam transmission mechanism 50', the front latch needle cam transmission mechanism 60 and the rear latch needle cam transmission mechanism 60', the guide bar cam transmission mechanism 70 each include a roller support 400 hinged on the frame 100 and a cam 500 mounted on the main shaft a or the main shaft b, an outer roller assembly 403 is mounted on the roller support 400, a cam output shaft 404 is mounted on the outer roller assembly 403, rollers on the outer roller assembly 403 are in contact with an outer curved surface 501 of the cam 500, an inner roller assembly for keeping the rollers on the outer roller assembly 403 in contact with the outer curved surface 501 of the cam 500 is further disposed on the roller support 400 at one end of the outer roller assembly 403, the inner roller assembly 404 is in contact with an inner curved surface 502 on the cam 500, and a through groove 503 distributed along the radial direction of the cam 500 is formed at the rotation center of the cam 500.
In this embodiment, the mounting shaft of the roller on the inner roller assembly 404 is an eccentric shaft, so as to achieve the purpose of tightly attaching the inner roller assembly 404 and the outer roller assembly 403 to the inner curved surface 502 and the outer curved surface 501 of the cam 500 after mounting, which is beneficial to production and installation of equipment, and the cam 500 is provided with a mounting pin hole 504 for mounting and positioning the cam.
In this embodiment, the frame 100 is further provided with two tool holders 600 symmetrically distributed for mounting the two link frames 300, as shown in fig. 7-10 (in which, for example, the tool holders of the cams 500 are used as the example, the mounting method of the spindles b is the same), each tool holder 600 is provided with a horizontal reference plane 601 and a connecting shaft 602, one end of the connecting shaft 602 is mounted on the tool holder 600 through a fixing flange 603, the other end of the connecting shaft 602 is connected with one end of the spindle a through a connecting sleeve 604 and a locking ring 605, the free end of the spindle a is provided with a reference flange 606, the reference flange 606 is provided with three positioning pin holes 607 for matching with the cams 500 to position phase angles, and after the transmission device is mounted, the mounting pin holes 504 and the positioning pin holes 607 on the cams 500 are respectively consistent with the distance of the reference plane 601.
In this embodiment, each linkage assembly 300 includes a base plate 301 and four connecting plates 302 uniformly and vertically distributed on the base plate, with a transmission mounted between each connecting plate 302.
In this embodiment, during installation, the spindle a and the spindle b are installed on the connecting rod rest assembly 300, then the transmission device is matched with the reference flange 606 through the tool rest 600 to adjust the phase angle, after the position is determined, the transmission device is respectively locked on the spindle a and the spindle b, and then each output shaft of the transmission device is respectively and correspondingly connected with the looping device.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a jacquard device based on warp knitting machine cam mechanism, includes frame and installs looping device, sley bar device, transmission in the frame, its characterized in that:
the looping device comprises a front looping portion, a rear looping portion, a front needle bed portion, a rear needle bed portion, a front sedimentation portion and a rear sedimentation portion which are symmetrically arranged, wherein the front looping portion and the rear looping portion respectively comprise a guide arm assembly connected to a frame and a looping plate arranged on the guide arm assembly;
the front needle bed part and the rear needle bed part respectively comprise a tongue needle bed and a bracket component used for enabling the tongue needle bed to be movably connected with the guide arm component, the tongue needle bed is arranged on the bracket component, the tongue needle is arranged on the tongue needle bed, a guide post is arranged on the guide arm component, and the bracket component is sleeved on the guide post;
the front sedimentation part and the rear sedimentation part respectively comprise a sedimentation auxiliary arm, a sedimentation piece bed fixed at the upper end of the sedimentation auxiliary arm and a sedimentation piece arranged on the sedimentation piece bed, and the lower end of the sedimentation auxiliary arm is connected to a second swing shaft on the frame;
the guide bar device comprises a guide bar bed assembly and a guide bar seat fixedly connected with the guide bar bed assembly, wherein the upper end of the guide bar bed assembly is hung on a first swinging shaft of the frame, the first swinging shaft is fixedly connected with an upper swinging arm assembly, the guide bar bed assembly consists of a plurality of guide bar beds and a plurality of guide needles, each guide bar bed is arranged on the guide bar seat, each guide needle is arranged on the guide bar bed, and at least one guide needle is a piezoelectric ceramic jacquard needle;
the transmission device comprises a front sinking cam transmission mechanism and a rear sinking cam transmission mechanism which are symmetrically arranged and used for pushing the sinking auxiliary arm to move, a front latch needle cam transmission mechanism and a rear latch needle cam transmission mechanism which are used for pushing the bracket component to move, a guide bar cam transmission mechanism which is used for pushing the guide bar seat to move, and an eccentric disc mechanism which is used for pushing the upper swing arm component to move;
the output shafts of the front sedimentation cam transmission mechanism and the rear sedimentation cam transmission mechanism are connected to the second swing shaft through a sedimentation connecting rod group, the sedimentation connecting rod group comprises a first sedimentation connecting rod, a second sedimentation connecting rod, a third sedimentation connecting rod and a fourth sedimentation connecting rod, one end of the second sedimentation connecting rod is fixed on the second swing shaft, the other end of the second sedimentation connecting rod is hinged with the first sedimentation connecting rod, the output shafts of the front sedimentation cam transmission mechanism and the rear sedimentation cam transmission mechanism are hinged with the free end of the first sedimentation connecting rod and one end of the third sedimentation connecting rod, the other end of the third sedimentation connecting rod is hinged with the fourth sedimentation connecting rod, and the free end of the fourth sedimentation connecting rod is hinged on the frame;
the output shafts of the front latch needle cam transmission mechanism and the rear latch needle cam transmission mechanism are hinged to the lower end of the bracket assembly, and the bracket assembly is pushed to reciprocate along the guide post;
the guide bar cam transmission mechanism comprises a guide bar cam output shaft, a guide bar upper swing arm, a guide bar lower swing arm and a guide bar connecting rod for connecting the guide bar lower swing arm and a guide bar seat, one end of the guide bar connecting rod is hinged to the guide bar seat, the other end of the guide bar connecting rod is fixedly connected to the guide bar lower swing arm, the guide bar upper swing arm and the guide bar lower swing arm are fixedly connected to a third swing shaft on the frame, and the guide bar cam output shaft is hinged to the guide bar lower swing arm;
the eccentric disc mechanism comprises an eccentric disc output shaft, an upper swing shaft swing arm and an upper swing arm connecting rod, one end of the upper swing arm connecting rod is hinged to the upper swing arm assembly, the other end of the upper swing arm connecting rod is fixedly connected to the upper swing shaft swing arm, the upper swing shaft swing arm is hinged to a fourth swing shaft on the frame, and the end part of the eccentric disc output shaft is hinged to the upper swing shaft swing arm;
the front sinking cam transmission mechanism, the front latch needle cam transmission mechanism and the eccentric disc mechanism are driven by a first main shaft, and the rear sinking cam transmission mechanism, the rear latch needle cam transmission mechanism and the guide bar cam transmission mechanism are driven by a second main shaft;
the machine frame is also provided with two symmetrically distributed two connecting rod bracket components which are respectively used for installing the front sinking cam transmission mechanism, the front latch needle cam transmission mechanism and the eccentric disc mechanism and the rear sinking cam transmission mechanism, the rear latch needle cam transmission mechanism and the guide bar cam transmission mechanism, and the first main shaft and the second main shaft are respectively installed on the two connecting rod bracket components.
2. The jacquard device based on a cam mechanism of a warp knitting machine according to claim 1, characterized in that: the front settlement cam transmission mechanism, the rear settlement cam transmission mechanism, the front latch needle cam transmission mechanism, the rear latch needle cam transmission mechanism and the guide bar cam transmission mechanism all comprise roller supports hinged to a frame and cams arranged on a first main shaft or a second main shaft, outer roller assemblies are arranged on the roller supports, cam output shafts are arranged on the outer roller assemblies, rollers on the outer roller assemblies are contacted with outer curved surfaces of the cams, inner roller assemblies used for enabling the rollers on the outer roller assemblies to keep contact with the outer curved surfaces of the cams are further arranged on the roller supports at one end of the outer roller assemblies, the inner roller assemblies are contacted with inner curved surfaces of the cams, and through grooves distributed radially along the cams are formed in the rotating center of the cams.
3. The jacquard device based on a cam mechanism of a warp knitting machine according to claim 2, characterized in that: the installation shaft of the roller on the inner roller assembly is an eccentric shaft, and the cam is provided with an installation pin hole for installing and positioning the cam.
4. A jacquard device based on a cam mechanism of a warp knitting machine according to claim 2 or 3, characterized in that: the machine frame is also provided with two tool frames which are symmetrically distributed and used for installing two connecting rod frame components, each tool frame is provided with a horizontal datum plane and a connecting shaft, one end of each connecting shaft is installed on the tool frame through a fixing flange, the other end of each connecting shaft is connected with one end of the first main shaft or one end of the second main shaft through a connecting sleeve and a locking ring, the free end of the first main shaft or the free end of the second main shaft is provided with a datum flange, the datum flange is provided with a plurality of positioning pin holes which are matched with each cam for use to position a phase angle, and after the transmission device is installed, the installation pin holes and the positioning pin holes on each cam are respectively consistent with the distance of the datum plane.
5. The jacquard device based on a cam mechanism of a warp knitting machine according to claim 4, wherein: each connecting rod bracket component comprises a base plate and a plurality of connecting plates which are uniformly and vertically distributed on the base plate, and the transmission device is arranged between the connecting plates.
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| CN201810212279.8A CN108221164B (en) | 2018-03-15 | 2018-03-15 | Jacquard device based on cam mechanism of warp knitting machine |
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| CN108642698A (en) * | 2018-08-13 | 2018-10-12 | 晋江市鹏太机械科技有限公司 | A kind of three jacquard warps |
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Address after: 385 Qilin Road, Dashanhou Community, Lingyuan Street, Jinjiang City, Quanzhou City, Fujian Province, 362200 Applicant after: Quanzhou Pengtai Machinery Co.,Ltd. Address before: No. 108, Lingshi Road, Jinjiang Economic Development Zone (Wuliyuan), Quanzhou City, Fujian Province, 362200 Applicant before: JINJIANG PENG TAI MACHINERY TECHNOLOGY Co.,Ltd. |
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