CN117963260A - Flexible wire double-head knotter and working method thereof - Google Patents

Abstract

The invention relates to an automatic knotter for flexible wires and a working method thereof, which is characterized in that: the flexible wire automatic knotting machine comprises a cabinet, wherein a feeding station, a pulling station, a cutting station, a material moving station, a tightening fixed end station, a winding station, a tensioning knotting station and a finished product length adjusting station are arranged on the cabinet; the invention can realize the process automation of processing the net bag, reduce the investment of manpower and ensure the stable and orderly production process of the product.

Description

Flexible wire double-head knotter and working method thereof

Technical Field

The invention relates to the field of knotting equipment, in particular to a flexible wire double-head automatic knotting machine and a working method thereof.

Background

With the development of the service industry and the trend of gradual systemization and standardization, the image of service personnel and the sanitation problem of the environment are valued by consumers; wherein staff immediately surrounding industries derived from our eating and holding lines, such as the miss, chefs, bank teller, counter sales, nurses, etc., all need to wear corresponding hair-setting net bags; the hair dryer has the effects of playing the role of playing the hair, visually refining and tidying, meeting the service image or preventing the hair and dandruff from falling.

The net bag is manufactured by the steps that elastic ropes are arranged on two sides of the net bag, the middle of the net bag is filled with a woven net, a production machine is woven into bundles, the bundles are delivered to a processing plant, the processing plant adopts manual processing, after the bundles are cut into needed lengths, two ends of the net bag are knotted, and the net bag is formed by unfolding.

Because the processing process adopts manpower, the labor cost is increasingly expensive, the quality cannot be ensured, and staff management has a plurality of uncertain factors, the problems are solved, and the automatic knotting machine for the flexible rope is designed, so that the automation of the processing process is realized.

The prior art has searched a Chinese patent 'double-loop automatic bundling and knotting machine', the publication number is CN218288246U, the support frame device, the knotting mechanism, the tying mechanism and the transportation device are disclosed, the support frame device comprises a first portal frame, a second portal frame and a connecting pipe, the first portal frame and the second portal frame are oppositely arranged, two ends of the connecting pipe are respectively connected with the first portal frame and the second portal frame, the tying mechanism is arranged on the side wall of the second portal frame, the transportation device is arranged on the connecting pipe, and the knotting mechanism is arranged on the side wall of the first portal frame, although the patent can tie a bag to be packaged firstly, then the claw is used for moving the bag after the tying to the lower part of the tying mechanism to tie the tying mechanism, so that the tying, knotting, tying, rope breaking and rope continuing are integrated, the dead knot is simulated by manual operation, the knotting quality is reliable, and the knotting success rate and the knotting efficiency are higher; it does not allow the flexible wire to be fed to the entire knotting process of the forming.

Disclosure of Invention

The invention aims to provide an automatic knotting machine for flexible wires and a working method thereof, which are convenient for processing a string bag, reduce the investment of labor, ensure the stable and orderly production process of products and have uniform quality.

The invention discloses an automatic knotter for flexible wires, which is characterized in that: the machine comprises a cabinet, wherein a feeding station, a pulling station, a cutting station, a material moving station, a tightening fixed end station, a winding station, a tensioning knotting station and a finished product length adjusting station are arranged on the cabinet.

Preferably, the feeding station comprises a material feeding frame, a damping servo motor for controlling discharge, a narrowing pulley, a pressing mechanism matched with a free mass block and a fixed pulley block traction mechanism, wherein the damping control motor is arranged at the front end of the material feeding frame and provides constant moment output; the narrowing pulley is arranged on the mounting frame of the compressing mechanism, free mass blocks are arranged at two sides of the narrowing pulley, and a height difference is formed between the free mass blocks and the fixed pulley block traction mechanism so as to provide a tightening function;

preferably, the feeding station comprises a wire rod bundling mechanism and a fixed wire rod cutting remaining mechanism which are arranged in the same transverse plane of the feeding station, and the wire rod bundling mechanism comprises a wire rod bundling port mounting frame and a ceramic wire harness wire port; the reserved mechanism after cutting the fixed wire comprises a pneumatic finger fixed on the wire bundling opening mounting frame;

Preferably, the material pulling station and the material moving station both comprise a linear sliding table module and a rotary clamping mechanism which are arranged on a cabinet mounting plate, wherein the rotary clamping mechanism is arranged on the linear sliding table module and comprises a longitudinal mounting plate fixedly connected to the linear sliding table module, a three-rod air cylinder arranged at the top of the longitudinal mounting plate and used for controlling the mechanism to move up and down, a push-pull plate fixedly connected to the telescopic end of the three-rod air cylinder, a guide sliding rail for preventing the mechanism from swinging integrally, a rack with a side boss, a rack mounting sliding groove with an inner side groove, an air cylinder for controlling overturning, a pneumatic finger and a concave extension clamping piece arranged on the pneumatic finger;

Preferably, the cutting station comprises a cutting head arranged on a binding opening mounting frame, and the tightening fixed end station comprises fixed end pneumatic fingers arranged on the mounting frames at the front ends of the two winding stations; wherein the winding station comprises a pneumatic finger arranged on the wire spool.

Preferably, the tensioning and knotting station comprises a knotting mechanism mounting platform arranged at the front end of the cabinet, a knotting power mechanism, a winding power mechanism and a tensioning mechanism, wherein the knotting power mechanism comprises an air cylinder mounting flange fixedly connected to the knotting mechanism mounting platform, an adjustable stroke air cylinder and a floating joint arranged between the air cylinder and a knotting head; the winding power mechanism comprises an L-shaped mounting plate arranged below a knotting mechanism mounting platform, a speed reducer fixedly connected to the L-shaped mounting plate, a servo motor fixedly connected with the speed reducer, a small synchronous pulley arranged at the front end of the L-shaped mounting plate, and a large synchronous pulley fixedly connected to a rotary shaft sleeve; the tensioning mechanism comprises a knotting head arranged at the center of a tensioning station, a knotting head clamping piece sleeved on the knotting head, a winding center shaft arranged at the periphery of the knotting head, a fixed shaft sleeve arranged at the periphery of the winding center shaft, and a winding deflector rod fixedly connected to the fixed shaft sleeve.

Preferably, the finished product length adjusting station comprises a screw rod servo motor linear module arranged between the right tensioning and knotting station and the cabinet, and the screw rod servo motor linear module comprises a connecting sliding block fixedly arranged below a mounting platform of the right tensioning and knotting station, two side moving guide rails, a screw rod arranged between the two side moving guide rails, a servo motor for controlling the screw rod and a speed reducer arranged between a screw rod coupler and the servo motor.

The invention relates to a working method of an automatic flexible wire knotter, which is characterized by comprising the following steps of:

The automatic flexible wire knotting machine comprises a cabinet, wherein a feeding station, a pulling station, a cutting station, a material moving station, a tightening fixed end station, a winding station, a tensioning knotting station and a finished product length adjusting station are arranged on the cabinet;

Wherein the feeding station cooperates with the pulley pressing mechanism in the process of drawing materials to realize the functions of pre-tightening and wire narrowing; the feeding station reserves thread ends after cutting the materials so as to facilitate the next feeding step; the material pulling station stretches the material to a set length and then descends to a height consistent with that of the cutting station; the cutting station cuts the materials to a certain length; the material moving station consists of a servo motor sliding table, and can sequentially convey materials to the fastening and fixing end station and the winding station after passing through the feeding station, the material pulling station and the cutting station; the tightening fixed end station can fix the middle part of the cut material and form a knot by matching with the tightening knot forming station; the wire winding station winds the wire rod for one circle and then tightens the wire rod into a knot station; the tensioning and knot forming station can tension the thread ends; the length adjusting station of the finished product is positioned below the right end knotting mechanism, and the adjusting range is determined by the length of the screw rod.

Preferably, the feeding station comprises a material feeding frame, a damping servo motor for controlling discharging, a narrowing pulley, a pressing mechanism matched with a free mass block and a fixed pulley block traction mechanism, wherein the damping control motor is arranged at the front end of the material feeding frame and provides constant moment output, and a pretightening force is provided when the material pulling station operates; the narrowing pulley is arranged on the mounting frame of the compressing mechanism, free mass blocks are arranged at two sides of the narrowing pulley, and a height difference is formed between the free mass blocks and the fixed pulley block traction mechanism so as to provide a tightening function; when the feeding device works, a wire rod is pulled out from a material feeding frame, passes through the lower part of the narrowing pulley, is pressed by the gravity of free mass blocks arranged on two sides of the narrowing pulley, and then passes through a fixed pulley block traction mechanism to enter a subsequent feeding station;

The feeding station comprises a wire material bundling mechanism and a fixed wire material cutting remaining mechanism which are arranged in the same transverse plane of the feeding station, wherein the wire material bundling mechanism comprises a wire material bundling port mounting frame and a ceramic wire harness wire port; the reserved mechanism after cutting the fixed wire comprises a pneumatic finger fixed on the wire bundling opening mounting frame; the wire rod passes through the feeding station and then enters the wire opening of the ceramic wire harness, and is clamped by a pneumatic finger fixed on a wire material collecting opening mounting frame so as to facilitate the subsequent material pulling station to carry out the next step;

The device comprises a drawing station and a moving station, wherein the drawing station and the moving station both comprise a linear sliding table module and a rotary clamping mechanism which are arranged on a cabinet mounting plate, the rotary clamping mechanism is arranged on the linear sliding table module, and the rotary clamping mechanism comprises a longitudinal mounting plate fixedly connected to the linear sliding table module, a three-rod air cylinder which is arranged at the top of the longitudinal mounting plate and is used for controlling the mechanism to move up and down, a push-pull plate fixedly connected to the telescopic end of the three-rod air cylinder, a guide sliding rail for preventing the mechanism from swinging integrally, a rack with a side boss, a rack mounting sliding groove with an inner side groove, an air cylinder for controlling overturning, a pneumatic finger and a concave extension clamping piece arranged on the pneumatic finger; when the ceramic wire harness wire drawing device works, the pneumatic finger on the material drawing station clamps the wire from the gap between the pneumatic finger of the material feeding station and the wire opening of the ceramic wire harness, and the wire is drawn to a set length after the pneumatic finger is loosened; simultaneously, under the drive of the linear sliding table module, the pneumatic finger on the material moving station moves to the side of the cutting station.

Wherein tailor the station and contain the head of tailorring that sets up on the receive a bundle mouth mounting bracket, tailor head 50 and contain two scissors blades, pneumatic push rod, and two scissors blades are 30 articulated, and during operation, the scissors blade is closed under pneumatic push rod's drive, realizes the tailorring of wire rod.

The tightening fixed end station comprises fixed end pneumatic fingers arranged on a mounting frame at the front ends of the two winding stations, the pneumatic fingers and the pneumatic fingers take cut wires, the wires are in a horizontal state after being turned over by 90 degrees under the action of a cylinder for controlling turning over and a cylinder for controlling turning over, the wires are moved forward to the upper parts of the fixed end pneumatic fingers and the fixed end pneumatic fingers under the driving of a linear sliding table module and a linear sliding table module, the three-rod cylinder which is arranged at the top of a longitudinal mounting plate and moves up and down extends out of a control mechanism, the wires are controlled to be placed in the fixed end pneumatic fingers and the fixed end pneumatic fingers, and the fixed end pneumatic fingers are closed.

The wire winding station comprises a pneumatic finger arranged on a wire reel, when the wire winding station works, after the pneumatic finger at the fixed end and the pneumatic finger at the fixed end are closed and fixed, a three-rod cylinder which is arranged at the top of the longitudinal mounting plate and moves up and down is contracted, the linear sliding table module control rotary clamping mechanism and the rotary clamping mechanism move mutually, the wire winding station passes through the middle of a winding deflector rod fixedly connected to a fixed shaft sleeve, and an extension clamping piece fixed on the pneumatic finger forms a concave-convex matching mode to carry out the connection of the wire.

The tensioning and knotting station comprises a knotting mechanism mounting platform arranged at the front end of the cabinet, a knotting power mechanism, a winding power mechanism and a tensioning mechanism, wherein the knotting power mechanism comprises an air cylinder mounting flange fixedly connected to the knotting mechanism mounting platform, an adjustable stroke air cylinder and a floating joint arranged between the air cylinder and a knotting head; the winding power mechanism comprises an L-shaped mounting plate arranged below a knotting mechanism mounting platform, a speed reducer fixedly connected to the L-shaped mounting plate, a servo motor fixedly connected with the speed reducer, a small synchronous pulley arranged at the front end of the L-shaped mounting plate, and a large synchronous pulley fixedly connected to a rotary shaft sleeve; the tensioning mechanism comprises a knotting head arranged at the center of the tensioning station, a knotting head clamping piece sleeved on the knotting head, a winding center shaft arranged at the periphery of the knotting head, a fixed shaft sleeve arranged at the periphery of the winding center shaft, and a winding deflector rod fixedly connected to the fixed shaft sleeve; when the linear sliding table is in operation, pneumatic fingers on the material pulling station and the material moving station are loosened while the wire material is in handover, and the linear sliding table is driven by the linear sliding table module to retreat to an initial position; the wire spool is driven by a winding power mechanism to complete 400-degree winding, in the process, the wire is wound with a knotting head arranged at the center of a tensioning knot forming station by means of traction of a winding deflector rod fixedly connected to a fixed shaft sleeve, and the knotting head and a knotting head clamping piece sleeved on the knotting head form two-piece clamping jaws under the shrinkage of a stroke-adjustable cylinder to pull the wire into the fixed shaft sleeve arranged at the periphery of a winding center shaft and tension the wire into a knot;

The finished product length adjusting station comprises a screw rod servo motor linear module arranged between the right tensioning and knotting station and the cabinet, wherein the screw rod servo motor linear module comprises a connecting sliding block fixedly arranged below an installation platform of the right tensioning and knotting station, two side moving guide rails, a screw rod arranged between the two side moving guide rails, a servo motor for controlling the screw rod, and a speed reducer arranged between a screw rod coupler and the servo motor; when the knotting machine works, when the length of a knotting finished product needs to be adjusted, the servo motor of the control screw rod can be adjusted to drive the right knotting platform, so that the relative distance between the right knotting platform and the left knotting platform is controlled.

The flexible wire automatic knotting machine and the working method thereof can conveniently realize the processing of the string bag, reduce the investment of labor, ensure the stable and orderly production process of products and have uniform quality.

Drawings

FIG. 1 is a schematic view of the overall structure of an automatic knotter for flexible wires according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the overall structure of an automatic knotter for flexible wires according to an embodiment of the present invention;

fig. 3 is a schematic diagram of the overall structure of a processing mechanism of an automatic flexible wire knotter according to an embodiment of the present invention (omitting a housing, etc.);

FIG. 4 is a partial perspective view of a flexible wire automatic knotting machine in accordance with an embodiment of the present invention;

FIG. 5 is a schematic view of a feeding station of an automatic flexible wire knotter according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a material pulling station of an automatic flexible wire knotter according to an embodiment of the present invention;

FIG. 7 is a schematic view of a cutting station of an automatic flexible wire knotter according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a material transferring station of an automatic flexible wire knotter according to an embodiment of the present invention;

FIG. 9 is a schematic view of a station for tightening a fixed end of an automatic knotter for flexible wires according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of a winding station of an automatic flexible wire knotter according to an embodiment of the present invention;

FIG. 11 is a schematic cross-sectional view of a tensioning and knotting station of an automatic flexible wire knotting machine according to an embodiment of the present invention;

FIG. 12 is a schematic view of a station for adjusting the length of a finished flexible wire automatic knotter according to an embodiment of the present invention;

FIG. 13 is a partial cross-sectional view of a loading station;

FIG. 14 is a partial perspective view of a loading station;

FIG. 15 is a partial perspective view of the present invention;

FIG. 16 is a perspective view of FIG. 11;

fig. 17, 18 are partial views of fig. 16;

In the figure: 1-cabinet, 2-feeding station, 20-material feeding rack, 21-supporting and positioning device, 22-damping servo motor for controlling discharging, 23-narrowing pulley, 24-compressing mechanism for matching free mass block, 25-fixed pulley block traction mechanism, 26-free mass block, 27-stand, 28-pulley, 3-feeding station, 30-wire collecting mechanism, 300-wire collecting port mounting frame, 301-ceramic wire harness wire port, 310-pneumatic finger fixed on wire collecting port mounting frame, 4-material pulling station, 40-linear sliding table module, 41-rotary clamping mechanism, 410-longitudinal mounting plate, 411-three-rod cylinder, 412-push-pull plate fixedly connected on three-rod cylinder, 413-guiding sliding rail 414-side boss racks, 415-inside groove rack mounting runners, 416-control overturning cylinders, 417-pneumatic fingers, 418-concave extension clips, 5-cutting stations, 50-cutting heads, 6-material moving stations, 60-linear sliding table modules, 61-rotary clamping mechanisms, 610-longitudinal mounting plates, 611-three-rod cylinders, 612-push-pull plates fixedly connected to the three-rod cylinders, 613-guide sliding rails, 614-side boss racks, 615-inside groove rack mounting runners, 616-control overturning cylinders, 617-pneumatic fingers, 618-concave extension clips, 7-tightening fixed end stations, 70 a-pneumatic fingers, 70 b-pneumatic fingers, 8-winding stations, 80-wire spool, 81 a-pneumatic finger, 81 b-pneumatic finger, 9-tensioning knotting station 90-knotting mechanism mounting platform, 91-knotting power mechanism, 92-winding power mechanism, 93-tensioning mechanism, 910-cylinder mounting flange, 911-adjustable stroke cylinder, 912-floating joint, 920-L-shaped mounting plate, 921-speed reducer, 922-servo motor, 923-small synchronous pulley, 924-large synchronous pulley, 930-knotting head, 931-knotting head clamping piece, 932-winding center shaft, 933-fixed shaft sleeve, 934-winding deflector rod, 10-finished product length adjusting station, 100-lead screw servo motor linear module, 1001-connecting slide block, 1002-two-side movable guide rail, 1003-lead screw, 1004-servo motor and 1005-speed reducer.

Detailed Description

In order to more clearly illustrate embodiments of the present invention and/or the technical solutions of the prior art, the following description will illustrate specific embodiments of the present invention with reference to the accompanying drawings, it being obvious that the drawings in the following description are only examples of the present invention, and that other drawings and other embodiments may be obtained from these drawings by those skilled in the art without inventive effort; the term "azimuth" refers to a relative positional relationship between the members, not to an absolute positional relationship.

The invention discloses an automatic flexible wire knotting machine, which comprises a cabinet 1, wherein a feeding station 2, a feeding station 3, a pulling station 4, a cutting station 5, a material moving station 6, a tightening fixed end station 7, a winding station 8, a tensioning knotting station 9 and a finished product length adjusting station 10 are arranged on the cabinet.

The material supply end of the feeding station 2 is driven by a damping servo motor 22 to realize damping control, and the damping control is matched with a compressing mechanism 24 of a free mass block and a fixed pulley block traction mechanism 25 to realize the function of pre-tightening and wire narrowing in the material pulling process; the feeding station 3 can reserve thread ends after the material is cut so as to facilitate the next feeding step; the material pulling station 4 stretches the materials to the set length and then lowers the materials to the height consistent with the cutting station; the cutting station 5 can cut the materials to a certain length; the material moving station 6 consists of a servo motor sliding table, and can sequentially convey materials to the fastening and fixing end station 7 and the winding station 8 after passing through the feeding station 3, the material pulling station 4 and the cutting station 5; the tightening and fixing end station 7 can fix the middle part of the cut material and form a knot by matching with the tightening and knotting station 9; the winding station 8 winds the wire rod one circle and then tightens the wire rod into a knot station 9; the tensioning and knotting station 9 can tension the thread ends; the finished product length adjusting station 10 is positioned below the right end knotting mechanism, and the adjusting range is determined by the length of the screw rod.

According to the invention, through the feeding station 2, the feeding station 3, the pulling station 4, the cutting station 5, the moving station 6, the tightening and fixing end station 7, the winding station 8, the tensioning and knotting station 9 and the finished product length adjusting station 10, the wire circulation supply, the wire pulling out, the wire cutting, the wire head reservation, the wire fixing and the double-head knotting can be completed, so that the process automation of processing the string bag is realized, the manual investment is reduced, the stable and orderly production process of the product is ensured, and the quality is uniform.

Specifically, the feeding station 2 comprises a material feeding frame 20 (a winding drum for winding materials) and a supporting and positioning device 21 (a winding drum for supporting and positioning the winding materials) thereof, a damping servo motor 22 for controlling discharging, a narrowing pulley 23, a pressing mechanism 24 matched with a free mass block and a fixed pulley block traction mechanism 25, wherein the damping control motor 22 is connected to one end of the material feeding frame 20 to provide constant moment output for the material feeding frame, and provides pretightening force when the material pulling station 2 operates; the two sides of the narrowing pulley 23 are provided with free mass blocks 26, the free mass blocks 26 are slidably connected to the vertical sliding rails of the pressing mechanism 24, the fixed pulley block traction mechanism 25 comprises two vertical frames 27 and a pulley 28, the two vertical frames are vertically arranged at intervals, and the narrowing pulley 23 and the pulley 28 of the fixed pulley block form a height difference to provide a tightening function; specifically, the wire rod is pulled out from the material feeding frame 20, passes through the lower part of the narrowing pulley 23, is compressed and narrowed by the gravity of the free mass blocks 26 arranged on two sides of the narrowing pulley 23, passes through the upper part of the pulley 28 of the fixed pulley block traction mechanism 25, and enters the subsequent feeding station 3.

Wherein the feeding station 3 comprises a wire rod bundling mechanism 30 and a remaining mechanism after cutting of fixed wires, which are arranged in the same transverse plane of the feeding station 2, and the wire rod bundling mechanism 30 comprises a wire rod bundling port mounting frame 300 and a ceramic wire harness wire port 301; the remaining mechanism after cutting the fixed wire comprises a pneumatic finger 310 fixed on the wire drawing port mounting frame 300; specifically, the wire is fed out from the feeding station 2 and enters the ceramic wire harness wire guide 301, and is clamped by the pneumatic finger 310 fixed on the wire harness mounting frame 300, so that the subsequent material pulling station 4 can carry out the next step.

The material pulling station 4 and the material moving station 6 both comprise a linear sliding table module 40 and a rotary clamping mechanism 41 which are arranged on a cabinet mounting plate, wherein the rotary clamping mechanism 41 is arranged on the linear sliding table module 40, the rotary clamping mechanism 41 comprises a longitudinal mounting plate 410 fixedly connected to the linear sliding table module 40, a three-rod air cylinder 411 which is arranged at the top of the longitudinal mounting plate 410 and is used for controlling the mechanism to move up and down, a push-pull plate 412 fixedly connected to the telescopic end of the three-rod air cylinder, a guide sliding rail 413 (fixedly arranged on the longitudinal mounting plate 410) for preventing the mechanism from swinging integrally, a rack 414 with a side boss, a rack mounting sliding groove 415 with an inner side groove (the mounting groove is used for limiting the sliding of the guide rack boss), an air cylinder 416 for controlling overturning (the free end of the air cylinder is connected with the rack 414 through a pin shaft, a gear 419 is meshed and is driven by the air cylinder 416 for controlling overturning, when the rack 414 is driven to slide up and down, the driving gear 419 is fixedly connected with the mounting plate of the pneumatic finger 417, when the gear 419 rotates, the pneumatic finger 417 rotates along with the pneumatic finger 417), and a concave extension 418 is arranged on the pneumatic finger 417; specifically, the pneumatic finger 417 on the pulling station 4 clamps the wire from the gap between the pneumatic finger 310 of the feeding station 3 and the ceramic wire harness wire opening 301, and stretches the wire to a set length (through the driving movement of the linear sliding table module 40) after the pneumatic finger 310 is released; simultaneously, the pneumatic finger 617 on the material moving station 6 moves to the side of the cutting station 5 under the drive of the linear sliding table module 60.

Wherein tailor station 5 contains and sets up the head 50 of tailorring on receive the mouth mounting bracket 300, tailors head 50 and contains two scissors blades, pneumatic push rod, and two scissors blades are 30 articulated, and specifically, the scissors blade is closed under pneumatic push rod's drive, realizes the tailorring of wire rod.

The tightening fixed end station 7 comprises fixed end pneumatic fingers 70a and 70b arranged on a mounting frame at the front ends of the two winding stations 8, specifically, pneumatic fingers 417 and 617 carry cut wires, the wires are turned over by 90 degrees to be in a horizontal state under the action of a cylinder 416 for controlling turning and a cylinder 616 for controlling turning, the wires are driven by a linear sliding table module 40 and a linear sliding table module 60 to move forward to the upper parts of the fixed end pneumatic fingers 70a and 70b, three-rod cylinders 411 and 611 which are arranged at the top of a longitudinal mounting plate 410 or 610 and move up and down, the wires are controlled to be placed in the fixed end pneumatic fingers 70a and 70b, and the fixed end pneumatic fingers 70a and 70b are closed.

The winding station 8 includes pneumatic fingers 81a and 81b disposed on the wire spool 80, specifically, after the wire is closed and fixed by the fixed end pneumatic finger 70a and the fixed end pneumatic finger 70b, three-rod cylinders 411 and 611 disposed on the top of the longitudinal mounting plate and moving up and down shrink, the linear sliding table module 40 and the linear sliding table module 60 control the rotary clamping mechanism 41 and the rotary clamping mechanism 61 to move mutually, and pass through the middle of winding deflector rods 934a and 934b fixedly connected on the fixed shaft sleeve, and the extension clamping pieces fixed on the pneumatic fingers form a concave-convex fit mode to perform the connection of the wire.

The tensioning and knotting station 9 comprises a knotting mechanism mounting platform 90, a knotting power mechanism 91, a winding power mechanism 92 and a tensioning mechanism 93 which are arranged at the front end of the cabinet, wherein the knotting power mechanism 91 comprises a cylinder mounting flange 910, an adjustable stroke cylinder 911 and a floating joint 912 (the floating joint 912 forms fixed connection after two ends are connected) which are fixedly connected to the knotting mechanism mounting platform; the winding power mechanism 92 comprises an L-shaped mounting plate 920 arranged below a knotting mechanism mounting platform, a speed reducer 921 fixedly connected to the L-shaped mounting plate, a servo motor 922 fixedly connected with the speed reducer, a small synchronous pulley 923 arranged at the front end of the L-shaped mounting plate, and a large synchronous pulley 924 fixedly connected to a rotating shaft sleeve, wherein the servo motor 922 drives the small synchronous pulley 923 through the speed reducer 921, and then the large synchronous pulley 924 rotates through a belt connected to the small synchronous pulley 923 and the large synchronous pulley 924.

The tensioning mechanism 93 comprises a knotting head 930 arranged at the center of the tensioning station, a knotting head clamping piece 931 sleeved on the knotting head, a winding center shaft 932 arranged at the periphery of the knotting head, a fixed shaft sleeve 933 arranged at the periphery of the winding center shaft, and a winding deflector rod 934 fixedly connected to the fixed shaft sleeve; specifically, when the wire material finishes the handover, pneumatic fingers 417 and 617 on the material pulling station 4 and the material moving station 6 are loosened, and the wire material is driven by the linear sliding table modules 40 and 60 to retreat to the initial positions; the wire spool 80 is driven by a servo motor 922 and the like to wind 400 degrees, in the process, the wire is wound around a knot tying head 930 arranged at the center of a tightening station by means of traction of a winding deflector rod 934 fixedly connected to a fixed shaft sleeve, and the knot tying head 930 and a knot tying head clamping piece 931 sleeved on the knot tying head form two-piece clamping jaws under the contraction of a stroke-adjustable cylinder 911 to pull the wire into a fixed shaft sleeve 933 arranged at the periphery of a winding center shaft and tighten the wire into a knot.

The finished product length adjusting station 10 comprises a screw rod servo motor linear module 100 arranged between the tensioning and knotting station 9 on the right side and the cabinet, wherein the screw rod servo motor linear module 100 comprises a connecting sliding block 1001, two side moving guide rails 1002, a screw rod 1003 arranged between the two side moving guide rails, a servo motor 1004 for controlling the screw rod and a speed reducer 1005 arranged between a screw rod coupler and the servo motor, which are fixedly arranged below a mounting platform of the tensioning and knotting station on the right side; specifically, when the length of the knotted product needs to be adjusted, the servo motor 1004 of the adjustable control screw drives the right knotting platform, so as to control the relative distance between the right knotting platform and the left knotting platform.

The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.

Claims (10)

1. An automatic flexible wire knotter, its characterized in that: the automatic cutting machine comprises a cabinet (1), wherein a feeding station (2), a feeding station (3), a pulling station (4), a cutting station (5), a material moving station (6), a tightening fixed end station (7), a winding station (8), a tightening knot forming station (9) and a finished product length adjusting station (10) are arranged on the cabinet.

2. The automatic knot-tying machine for flexible wires according to claim 1, wherein:

the feeding station (2) comprises a material feeding frame (20), a damping servo motor (22) for controlling discharging, a narrowing pulley (23), a pressing mechanism (24) matched with a free mass block and a fixed pulley block traction mechanism (25), wherein the damping control motor (22) is arranged at the end part of the material feeding frame (20) to provide constant torque output for the material feeding frame; the two sides of the narrowing pulley (23) are provided with free mass blocks (26), the free mass blocks (26) are slidably connected to the vertical sliding rails of the pressing mechanism (24), the fixed pulley block traction mechanism (25) comprises two vertical frames (27) arranged at vertical intervals and a pulley (28) arranged between the two vertical frames, and the narrowing pulley (23) and the pulley (28) of the fixed pulley block form a height difference so as to achieve the tightening function.

3. The automatic knot-tying machine for flexible wires according to claim 1, wherein:

The feeding station (3) comprises a wire material bundling mechanism (30) and a remaining mechanism after cutting of fixed wires, which are arranged in the same transverse plane of the feeding station (2), wherein the wire material bundling mechanism (30) comprises a wire material bundling opening mounting frame (300) and a ceramic wire harness wire opening (301); the fixed wire cut-out reservation mechanism comprises a pneumatic finger (310) fixed on a wire drawing port mounting frame (300).

4. The automatic knot-tying machine for flexible wires according to claim 1, wherein:

The automatic feeding device is characterized in that the material pulling station (4) and the material moving station (6) both comprise a linear sliding table module (40) and a rotary clamping mechanism (41) which are arranged on a cabinet mounting plate, the rotary clamping mechanism (41) is arranged on the linear sliding table module (40), the rotary clamping mechanism (41) comprises a longitudinal mounting plate (410) fixedly connected to the linear sliding table module (40), a three-rod air cylinder (411) which is arranged at the top position of the longitudinal mounting plate (410) and is used for controlling the mechanism to move up and down, a push-pull plate (412) fixedly connected to the telescopic end of the three-rod air cylinder, a guide sliding rail (413) fixedly arranged on the longitudinal mounting plate 410 and used for preventing the mechanism from swinging integrally, a rack (414) with a side boss, a rack mounting sliding groove (415) with an inner side groove, a control overturning air cylinder (416), a pneumatic finger (417) and a concave extension clamping piece (418) arranged on the pneumatic finger, the free end of the control overturning air cylinder (416) is connected with the rack (414) through a pin shaft, a gear (419) is meshed and transmitted, when the rack (414) is controlled to overturn the air cylinder (416) to slide up and down, the gear (419) is driven to rotate, and the finger (417) is driven to rotate.

5. The automatic knot-tying machine for flexible wires according to claim 1, wherein:

The cutting station (5) comprises a cutting head (50) arranged on a binding opening mounting frame (300), wherein a tightening fixed end station (7) comprises fixed end pneumatic fingers (70 a, 70 b) arranged on the mounting frames at the front ends of the two winding stations; wherein the winding station (8) comprises pneumatic fingers (81 a, 81 b) arranged on the wire spool (80).

6. The automatic knot-tying machine for flexible wires according to claim 1, wherein:

The tensioning and knotting station (9) comprises a knotting mechanism mounting platform (90) arranged at the front end of the cabinet, a knotting power mechanism (91), a winding power mechanism (92) and a tensioning mechanism (93), wherein the knotting power mechanism (91) comprises an air cylinder mounting flange (910), an adjustable stroke air cylinder (911) and a floating joint (912) arranged between the air cylinder and a knotting head, which are fixedly connected to the knotting mechanism mounting platform; the winding power mechanism (92) comprises an L-shaped mounting plate (920) arranged below the knotting mechanism mounting platform, a speed reducer (921) fixedly connected to the L-shaped mounting plate, a servo motor (922) fixedly connected with the speed reducer, a small synchronous pulley (923) arranged at the front end of the L-shaped mounting plate, and a large synchronous pulley (924) fixedly connected to the rotary shaft sleeve; the tensioning mechanism (93) comprises a knotting head (930) arranged at the center of the tensioning station, a knotting head clamping piece (931) sleeved on the knotting head, a winding center shaft (932) arranged at the periphery of the knotting head, a fixed shaft sleeve (933) arranged at the periphery of the winding center shaft, and a winding deflector rod (934) fixedly connected to the fixed shaft sleeve.

7. The automatic knot-tying machine for flexible wires according to claim 1, wherein:

The finished product length adjustment station (10) comprises a screw rod servo motor linear module (100) arranged between the right tensioning and knotting station and the cabinet, wherein the screw rod servo motor linear module (100) comprises a connecting sliding block (1001), two side moving guide rails (1002), a screw rod (1003) arranged between the two side moving guide rails, a servo motor (1004) for controlling the screw rod and a speed reducer (1005) arranged between a screw rod coupler and the servo motor, wherein the connecting sliding block is fixedly arranged below a mounting platform of the right tensioning and knotting station.

8. The working method of the automatic knotter for the flexible wires is characterized by comprising the following steps of:

The automatic flexible wire knotting machine comprises a cabinet (1), wherein a feeding station (2), a feeding station (3), a pulling station (4), a cutting station (5), a material moving station (6), a tightening fixed end station (7), a winding station (8), a tensioning knotting station (9) and a finished product length adjusting station (10) are arranged on the cabinet;

Wherein the feeding station (2) is matched with the pulley pressing mechanism in the material pulling process to realize the function of pre-tightening and narrowing the wire rod; the feeding station (3) reserves thread ends after cutting the materials so as to facilitate the next feeding step; the material pulling station (4) stretches the material to a set length and then descends to a height consistent with that of the cutting station; the cutting station (5) cuts the materials to a certain length; the material moving station (6) consists of a servo motor sliding table, and can sequentially convey materials to the fastening and fixing end station (7) and the winding station (8) after passing through the feeding station (3), the material pulling station (4) and the cutting station (5); the tightening fixed end station (7) can fix the middle part of the cut material and form a knot by matching with the tightening knot forming station (9); the wire winding station (8) winds the wire rod one circle and then sends the wire rod to the tensioning and knot forming station (9); the tensioning and knot forming station (9) can tension the thread ends; the finished product length adjusting station (10) is positioned below the right end knotting mechanism, and the adjusting range is determined by the length of the screw rod.

9. The working method of the automatic flexible wire knotter as claimed in claim 8, wherein:

The feeding station (2) comprises a material feeding frame (20), a damping servo motor (22) for controlling discharging, a narrowing pulley (23), a pressing mechanism (24) matched with a free mass block and a fixed pulley block traction mechanism (25), wherein the damping control motor (22) is arranged at the front end of the material feeding frame (20) and provides constant torque output, and a pretightening force is provided when the material pulling station (2) operates; the narrowing pulley (23) is arranged on a mounting frame of the pressing mechanism (24), free mass blocks are arranged on two sides of the narrowing pulley (23), and a height difference is formed between the free mass blocks and the fixed pulley block traction mechanism (25) so as to provide a tightening function;

The feeding station (2) comprises a material feeding frame (20), a damping servo motor (22) for controlling discharging, a narrowing pulley (23), a pressing mechanism (24) matched with a free mass block and a fixed pulley block traction mechanism (25), wherein the damping control motor (22) is arranged at the end part of the material feeding frame (20) to provide constant torque output for the material feeding frame; the two sides of the narrowing pulley (23) are provided with free mass blocks (26), the free mass blocks (26) are slidably connected to vertical sliding rails of the pressing mechanism (24), the fixed pulley block traction mechanism (25) comprises two vertical frames (27) and a pulley (28) positioned between the two vertical frames at intervals, and the narrowing pulley (23) and the pulley (28) of the fixed pulley block form a height difference so as to realize the tightening function;

When the device works, a wire rod is pulled out from a material feeding frame (20), passes through the lower part of a narrowing pulley (23), is pressed by the gravity of free mass blocks arranged on two sides of the narrowing pulley (23), passes through the upper part of a pulley (28) of a fixed pulley block traction mechanism (25) upwards, and enters a subsequent feeding station (3);

the feeding station (3) comprises a wire material collecting mechanism (30) and a fixed wire material cutting residual mechanism (31) which are arranged in the same transverse plane of the feeding station (2), wherein the wire material collecting mechanism (30) comprises a wire material collecting port mounting frame (300) and a ceramic wire harness wire port (301); the fixed wire cutting reserved mechanism (31) comprises a pneumatic finger (310) fixed on a wire drawing port mounting frame (300); the wire rod is penetrated out of the feeding station (2) and enters the ceramic wire harness wire guide opening (301), and is clamped by a pneumatic finger (310) fixed on the wire harness opening mounting frame (300) so as to be convenient for a subsequent material pulling station (4) to carry out the next step;

The automatic feeding and discharging device comprises a material pulling station (4) and a material moving station (6), wherein the material pulling station and the material moving station both comprise a linear sliding table module (40) and a rotary clamping mechanism (41) which are arranged on a cabinet mounting plate, the rotary clamping mechanism (41) is arranged on the linear sliding table module (40), the rotary clamping mechanism (41) comprises a longitudinal mounting plate (410) fixedly connected to the linear sliding table module (40), a three-rod air cylinder (411) which is arranged at the top of the longitudinal mounting plate (410) and is used for controlling the mechanism to move up and down, a push-pull plate (412) fixedly connected to the telescopic end of the three-rod air cylinder, a guide sliding rail (413) for preventing the mechanism from swinging integrally, a rack (414) with a side boss, a rack mounting sliding groove (415) with an inner side groove, an air cylinder (416) for controlling overturning, a pneumatic finger (417) and a concave extension clamping piece (418) arranged on the pneumatic finger; when the wire drawing device works, the pneumatic finger (417) on the material drawing station (4) clamps the wire from the gap between the pneumatic finger (310) of the material feeding station (3) and the ceramic wire harness wire opening (301), and the wire is stretched to a set length after the pneumatic finger (310) is loosened; simultaneously, under the drive of the linear sliding table module (60), the pneumatic finger (617) on the material moving station (6) moves to the side of the cutting station (5);

the cutting station (5) comprises a cutting head (50) arranged on the binding opening mounting frame (300), the cutting head (50) comprises two shearing blades and a pneumatic push rod, the two shearing blades are hinged at 30 degrees, and when the wire cutting machine works, the shearing blades are closed under the drive of the pneumatic push rod, so that the wire cutting is realized;

The tightening fixed end station (7) comprises fixed end pneumatic fingers (70 a, 70 b) arranged on a mounting frame at the front ends of the two winding stations, when the tightening fixed end station works, the pneumatic fingers (417) and the pneumatic fingers (617) carry cut wires, the wires are turned over by 90 degrees under the action of a control turning cylinder (416) and a control turning cylinder (616) to be in a horizontal state, the tightening fixed end station is driven by a linear sliding table module (40) and a linear sliding table module (60) to move forwards to the upper parts of the fixed end pneumatic fingers (70 a) and the fixed end pneumatic fingers (70 b), three-rod air cylinders (411, 611) which are arranged at the top of a longitudinal mounting plate (410 or 610) and move up and down are used for controlling the wires to be lowered into the fixed end pneumatic fingers (70 a) and the fixed end pneumatic fingers (70 b), and the fixed end pneumatic fingers (70 a) and 70 b) are closed;

The wire winding station (8) comprises pneumatic fingers (81 a, 81 b) arranged on a wire spool (80), when the wire winding station works, a fixed end pneumatic finger (70 a) and a fixed end pneumatic finger (70 b) are closed and fixed, three-rod air cylinders (411, 611) which are arranged on the top of the longitudinal mounting plate and move up and down are contracted, the linear sliding table module (40) and the linear sliding table module (60) control a rotary clamping mechanism (41) and a rotary clamping mechanism (61) to move mutually, the wire penetrates through the middle of a wire winding deflector rod (934 a, 934 b) fixedly connected to a fixed shaft sleeve, and an extension clamping piece fixed on the pneumatic finger forms a concave-convex matching mode to carry out wire connection.

10. The working method of the automatic flexible wire knotter as claimed in claim 9, wherein: the tensioning and knotting station (9) comprises a knotting mechanism mounting platform (90) arranged at the front end of the cabinet, a knotting power mechanism (91), a winding power mechanism (92) and a tensioning mechanism (93), wherein the knotting power mechanism (91) comprises an air cylinder mounting flange (910), an adjustable stroke air cylinder (911) and a floating joint (912) arranged between the air cylinder and a knotting head, wherein the air cylinder mounting flange is fixedly connected to the knotting mechanism mounting platform; the winding power mechanism (92) comprises an L-shaped mounting plate (920) arranged below the knotting mechanism mounting platform, a speed reducer (921) fixedly connected to the L-shaped mounting plate, a servo motor (922) fixedly connected with the speed reducer, a small synchronous pulley (923) arranged at the front end of the L-shaped mounting plate, and a large synchronous pulley (924) fixedly connected to the rotary shaft sleeve; the tensioning mechanism (93) comprises a knotting head (930) arranged at the center of the tensioning station, a knotting head clamping piece (931) sleeved on the knotting head, a winding center shaft (932) arranged at the periphery of the knotting head, a fixed shaft sleeve (933) arranged at the periphery of the winding center shaft, and a winding deflector rod (934) fixedly connected to the fixed shaft sleeve; when the linear sliding table is in operation, pneumatic fingers (417 and 617) on the material pulling station (4) and the material moving station (6) are loosened and are driven by the linear sliding table modules (40 and 60) to retreat to an initial position; the wire spool (80) is driven by a winding power mechanism (92) to complete winding at 400 degrees, in the process, a wire rod is wound on a knotting head (930) arranged at the center of a tensioning knotting station by means of traction of a winding deflector rod (934) fixedly connected to a fixed shaft sleeve, and the knotting head (930) and a knotting head clamping piece (931) sleeved on the knotting head form two-piece clamping jaw under the shrinkage of an adjustable stroke cylinder (911) to pull the wire rod into the fixed shaft sleeve (933) arranged at the periphery of a winding center shaft and tension the wire rod into knots;

The finished product length adjusting station (10) comprises a screw rod servo motor linear module (100) arranged between the right tensioning and knotting station and the cabinet, wherein the screw rod servo motor linear module (100) comprises a connecting sliding block (1001), two side moving guide rails (1002), a screw rod (1003) arranged between the two side moving guide rails, a servo motor (1004) for controlling the screw rod and a speed reducer (1005) arranged between a screw rod coupler and the servo motor, wherein the connecting sliding block is fixedly arranged below an installation platform of the right tensioning and knotting station; when the knotting machine works, when the length of a knotting finished product needs to be adjusted, the servo motor (1004) of the adjustable control screw rod drives the right knotting platform, so that the relative distance between the right knotting platform and the left knotting platform is controlled.