Double-station multi-width shuttle three-dimensional weaving equipment

Abstract

The invention provides double-station multi-width shuttle three-dimensional weaving equipment which comprises a double-station jacquard module, two weaving modules, two traction modules and the like. Wherein the jacquard module is divided into two parts and provides services for the two manufacturing modules at the same time, a single three-dimensional weaving machine is provided with a plurality of webs, so that the double-station multi-width shuttle three-dimensional weaving equipment can weave a plurality of preforms at the same time, and the complex annular preforms with variable diameters and variable thicknesses can be formed, the production efficiency is improved, and the cost is reduced; according to the connecting rod beating-up driving device, the beating-up force is improved through the connecting rod structure, the occupied space of driving equipment is reduced, a larger weaving area can be provided, and later maintenance is facilitated.

Description

Technical Field

[0001] The invention belongs to the field of composite material textile machinery, and in particular relates to a double-station multi-width shuttle three-dimensional weaving equipment. Background Art

[0002] The fields of aerospace, rail transit, etc. have a demand for integrated forming of lightweight structural parts. Variable diameter and variable thickness annular structural parts are indispensable and important structures for various aerospace vehicles, rail transit vehicles, etc. Composite material variable diameter and variable thickness annular components are light in weight, and the integrated forming method can improve the structural strength, which is of great significance for meeting the performance of variable diameter and variable thickness structures.

[0003] Three-dimensional weaving is one of the important methods for forming three-dimensional fabrics with its high weaving efficiency and forming quality. The existing three-dimensional weaving equipment for forming circular fabrics usually adopts the integrated forming of circular weft insertion, and adopts the method of increasing and decreasing yarns in the jacquard mechanism to achieve the variable diameter and thickness of the three-dimensional fabric. For small and medium-width circular variable diameter and thickness preforms, the utilization rate of a single jacquard weaving forming equipment is low and the production cost is high. Summary of the invention

[0004] Purpose of the invention: To solve the above problems, the present invention provides a double-station multi-width shuttle three-dimensional weaving equipment, which can realize the automatic weaving of variable diameter and variable thickness annular preforms, can weave several preforms at the same time, and the structure of each preform can be different.

[0005] To achieve the above purpose, the technical solution of the double-station multi-width shuttle three-dimensional weaving equipment provided by the present invention is:

[0006] A double-station multi-width shuttle three-dimensional weaving equipment, comprising a double-station jacquard module for intersecting and positioning warp yarns, two weaving modules located on one side below the double-station jacquard module, and two traction modules located on the other side below the double-station jacquard module; the double-station jacquard module comprises a jacquard machine, two wire-dividing pipes located below the jacquard machine and bifurcated, each wire-dividing pipe is provided with a heald connected to the jacquard machine; the weaving module comprises a base, a weft insertion connection seat, a slide rail located on the base and carrying the weft insertion connection seat, and a drive rail for driving the weft insertion connection seat to approach or move away from the jacquard machine A beating-up drive device for lifting the heald wire; the weft insertion connecting seat is provided with a first rack, a plurality of shuttle bearing positions arranged along the extension direction of the rack, and a plurality of shuttles arranged on the shuttle bearing positions; the number of the bearing positions is greater than the number of shuttles, each shuttle bearing position is provided with an intermediate transmission gear located on the rack and meshed with the rack, a second rack meshed with the intermediate transmission gear is provided at the bottom of the shuttle, and the shuttle is reciprocated on two adjacent shuttle bearing positions through the forward and reverse rotation of the intermediate transmission gear; a beating-up reed is also provided between the backs of two adjacent shuttle bearing positions.

[0007] Furthermore, the shuttle bearing position is provided with a gear seat for bearing the intermediate transmission gear and a limiting guide rail located above the gear seat, the shuttle is clamped between the limiting guide rail and the intermediate transmission gear, and the length of the shuttle is greater than the distance between two adjacent shuttle bearing positions.

[0008] Furthermore, the shuttle is a horseshoe shuttle, which includes a moving seat clamped between a limiting guide rail and an intermediate transmission gear and a trapezoidal shuttle body extending from the moving seat to the side opposite to the beating reed, and a weft insertion hole is provided in the middle of the trapezoidal shuttle body.

[0009] Furthermore, the beating-up drive device includes a motor reducer assembly, a drive shaft, a connecting rod, a pulling rod, and a pull rod; one end of the pulling rod is hinged to the bottom of the weft insertion connection seat and the other end is hinged to the top of the pull rod; the bottom of the pull rod is hinged to the inner wall of the base; one end of the connecting rod is hinged to the pull rod and the other end is matched with the driving shaft; the hinge point of the connecting rod and the pull rod is located at a position below the hinge point of the pulling rod and the connecting rod; the part of the driving shaft passing through the connecting rod and the part of the driving shaft connected to the output shaft of the motor reducer assembly form a "J"-shaped crank structure, and the part of the driving shaft connected to the output shaft of the motor reducer assembly and the part of the driving shaft passing through the connecting rod are parallel but not coaxially arranged. Through the "J"-shaped crank structure, the driving shaft drives the connecting rod to make a back-and-forth reciprocating motion when rotating, so that the beating-up reed moves back and forth close to or away from the yarn guide rod.

[0010] Furthermore, a trunnion seat is provided at the bottom of the weft insertion connection seat, the pull rod is hinged to the trunnion seat, a slide block is provided at the bottom of the trunnion seat, and the slide block is installed on the slide rail.

[0011] Furthermore, the weaving module also includes baffles installed on both sides of the top of the base, and a plurality of pressure rods are arranged between the two baffles, and the plurality of pressure rods are divided into two upper and lower rows and arranged in parallel.

[0012] Furthermore, one end of the traction module is arranged below the pressure rod.

[0013] Furthermore, it also includes a creel module and a yarn separation module, the heald lifting wire is located between the yarn separation module and the weaving module, and the yarn separation module is located between the creel module and the heald lifting wire.

[0014] Furthermore, the creel module includes a creel, a plurality of yarn tubes installed on the creel and arranged in rows and columns, and a yarn dividing slot.

[0015] Furthermore, the yarn separation module comprises a yarn separation plate and a yarn separation roller; a plurality of yarn separation holes are opened on the yarn separation plate, and the warp yarn is pulled out from the creel module and passes through the yarn separation holes in sequence and then passes through the yarn separation roller.

[0016] Beneficial effects: The double-station multi-width shuttle three-dimensional weaving equipment provided by the present invention divides the jacquard module into two parts and provides services for two manufacturing modules at the same time. In addition, a single three-dimensional weaving machine has several weft insertions, so that the double-station multi-width shuttle three-dimensional weaving equipment can weave several preforms at the same time, and can form complex annular preforms with variable diameter and thickness, thereby improving production efficiency and reducing costs; the connecting rod beating drive device improves the beating force through the connecting rod structure, reduces the space occupied by the driving equipment, can provide a larger weaving area, and is conducive to later maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the double-station multi-shuttle three-dimensional weaving equipment.

[0018] Figure 2 A perspective view of the creel module.

[0019] Figure 3 It is a three-dimensional diagram of the yarn separation module.

[0020] Figure 4 This is a three-dimensional view of the double-station jacquard module.

[0021] Figure 5 A three-dimensional diagram of a weaving module.

[0022] Figure 6 It is a partial stereoscopic view of the location of the weft insertion connection seat in the weaving module.

[0023] Figure 7 It is a three-dimensional view of the connecting rod beating-up drive device in the weaving module.

[0024] Figure 8 It is a schematic diagram of the start and stop status of the weft insertion of multiple weft insertions.

[0025] Fig. 9 It is a schematic diagram of the initial, holding and ending states of the connecting rod beating-up driving device for beating-up. DETAILED DESCRIPTION

[0026] The present invention is further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0027] The present invention discloses a double-station multi-width shuttle three-dimensional weaving equipment, comprising a creel module 1, a yarn separation module 2, a double-station jacquard module 3, a weaving module 4, a traction module 5, and a master control module 6. Figure 1As shown. The weaving module 4 is relatively fixedly connected to the traction module 5, and the double-station jacquard module 3 is divided into two parts above the two weaving modules 4 and fixed after the relative positions are adjusted. The master control module 6 integrates the communication and control of the double-station jacquard module, the weaving module and the traction module actuators, sensors, etc.

[0028] The creel module 1 includes a creel 101, a yarn tube 102, and a yarn slot 103. Figure 2 After being wound on the yarn bobbin, the warp yarns are hung on the yarn racks, and one end of the warp yarns passes through the yarn dividing slot.

[0029] The yarn separation module 2 includes a yarn separation plate 201, a yarn separation hole 202, and a yarn separation roller 203. Figure 3 There are many yarn separation holes on the yarn separation plate, and the warp yarn is pulled out from the creel module and passes through the yarn separation holes of the yarn separation module in sequence and then passes through the yarn separation roller.

[0030] The double-station jacquard module 3 includes a jacquard machine 301 and a harness heald 302. Figure 4 The heald is connected to the jacquard device, and the warp yarn passes through the yarn separation roller and then passes through the heald in sequence.

[0031] The weaving module 4 includes a multi-width weft insertion device 41, a connecting rod beating drive device 42, a baffle 43, and a pressure rod 44. Figure 5 The warp yarns are distributed in order through the pressure rods 44, and the multiple weft insertion devices of a single weaving module can realize the simultaneous weaving of three preforms. After the multiple weft insertion devices complete the single-pass weft insertion, the connecting rod beating-up driving device moves to complete the beating-up, and then the double-station jacquard module moves, and then the above actions are repeated to complete the weaving.

[0032] The multi-width weft insertion device 41 includes a weft insertion connection seat 4101, a gear motor connection plate 4102, a power gear 4103, a servo motor 4104, a transmission rack 4105, an intermediate transmission gear 4106, a limit guide rail 4107, and a horseshoe shuttle 4108. Figure 6 The gear motor connecting plate is fixed on the weft insertion connecting seat, the transmission rack is installed in the weft insertion connecting seat, the servo motor is installed on the gear motor connecting plate, the power gear is fixedly connected to the servo motor and cooperates with the transmission rack, the limit guide is fixed on the weft insertion connecting seat, the intermediate transmission gear is installed in the limit guide and cooperates with the transmission rack, the horseshoe shuttle is stuck in the limit guide, a rack is installed in the horseshoe shuttle, and cooperates with the intermediate transmission gear.

[0033] The connecting rod beating driving device 42 includes a rear beating reed 4201, an ear shaft seat 4202, a slider 4203, a slide rail 4204, a pull rod 4205, a pin shaft 4206, a connecting rod 4207, a driving shaft 4208, a pull rod 4209, a beating driving motor 4210, a worm gear reducer 4211, a reducer fixed shaft 4212, a hinge shaft 4213, a pull rod fixed bearing seat 4214, and a fixed plate 4215. Figure 7 As shown. The pull rod fixed bearing seat is fixed on the fixed plate, the hinge shaft connects the pull rod with the pull rod fixed bearing seat, the reducer fixed shaft fixes the worm gear reducer with the fixed plate, the beating drive motor is installed on the worm gear reducer, the worm gear reducer is connected to the drive shaft, the drive shaft is installed on the connecting rod, the connecting rod and the pull rod are connected to the pull rod through the pin shaft, the pull rod is connected to the trunnion seat through the pin shaft, the trunnion seat is fixed on the weft insertion connection seat 4101, the weft insertion connection seat is fixed on the slider, the slider is installed on the slide rail, and the beating reed is fixed on the weft insertion connection seat.

[0034] The warp yarns are wound on the yarn drums and hung on the yarn racks. One end of the warp yarn passes through the yarn splitting slot, the yarn splitting holes of the yarn splitting module, the yarn splitting roller, and the heald wire.

[0035] Then it passes through the weaving module and one end is fixed on the traction module; the double-station jacquard module lifts part of the warp yarn to make the warp yarn interlaced, the multi-width weft insertion device performs circular weft insertion, the connecting rod beating-up drive device performs beating-up and returns, and the double-station jacquard module changes the interlacing order of the warp yarns, and the multi-width weft insertion device performs circular weft insertion, the connecting rod beating-up drive device performs beating-up and returns. After the above actions continue for a certain cycle, the traction module pulls the fabric to start the next cycle of weaving.

[0036] Multi-width weft insertion device: The weft insertion action is commanded by the master control module, the servo motor 4104 rotates, drives the power gear 4103 to rotate, drives the transmission rack 4105 to rotate, and then drives the intermediate transmission gear 4106 to rotate, and then drives the horseshoe shuttle 4108 to slide in the limit guide rail 4107 driven by the horseshoe shuttle rack 4109. When the horseshoe shuttle completely slides from one limit guide rail to the next limit guide rail, the master control module sends a quality signal, and the servo motor stops rotating. The start and stop states are as follows: Figure 8 shown.

[0037] Connecting rod beating-up drive device: The beating-up action is commanded by the master control module, and the beating-up drive motor 4210 rotates, driving the drive shaft 4208 to rotate, driving the connecting rod 4207 to rotate, driving the pull rod 4209 to rotate, driving the pull rod 4205 to rotate, driving the ear shaft seat 4202 to move, and then driving the weft insertion connecting seat 4101 installed on the slider 4203 to move on the slide rail 4204, so that the beating-up reed 4201 completes the beating-up action, and the master control module issues a stop command for 3 seconds, and the beating-up reed keeps beating-up action for 3 seconds. The master control module issues a command, and the beating-up reed returns to the initial position along with the connecting rod beating-up drive device, thereby completing the beating-up action. The beating-up action is as follows: Fig. 9 shown.

Claims

1. A double-station multi-width shuttle three-dimensional weaving equipment, characterized in that: It comprises a double-station jacquard module (3) for intersecting and positioning warp yarns, two weaving modules (4) located on one side below the double-station jacquard module, and two traction modules (5) located on the other side below the double-station jacquard module; The double-station jacquard module comprises a jacquard machine (301), two wire-dividing pipes located below the jacquard machine and arranged in a bifurcated manner, each wire-dividing pipe being provided with a heald wire (302) connected to the jacquard machine; The weaving module (4) comprises a base, a weft insertion connection seat (4101), a slide rail (4204) located on the base and carrying the weft insertion connection seat (4101), and a weft beating driving device for driving the weft insertion connection seat (4101) to move closer to or away from the heald wire (302); the weft insertion connection seat (4101) is provided with a first rack (4101), a plurality of shuttle bearing positions arranged along the extension direction of the rack, and a plurality of shuttles (4108) arranged on the shuttle bearing positions; the bearing positions The number of the shuttles (4108) is greater than the number of the shuttles (4108), each shuttle bearing position is provided with an intermediate transmission gear (4106) located on the rack and meshed with the rack, a second rack meshed with the intermediate transmission gear (4106) is provided at the bottom of the shuttle (4108), and the shuttle (4108) reciprocates on two adjacent shuttle bearing positions through the forward and reverse rotation of the intermediate transmission gear (4106); a beating reed (4201) is also provided between the backs of two adjacent shuttle bearing positions.

2. The double-station multi-width shuttle three-dimensional weaving equipment according to claim 1 is characterized in that: The shuttle bearing position is provided with a gear seat for bearing the intermediate transmission gear (4106) and a limiting guide rail (4107) located above the gear seat, and the shuttle (4108) is clamped between the limiting guide rail (4107) and the intermediate transmission gear (4106), and the length of the shuttle (4108) is greater than the distance between two adjacent shuttle bearing positions.

3. The double-station multi-width shuttle three-dimensional weaving equipment according to claim 1 or 2, characterized in that: The shuttle (4108) is a horseshoe shuttle, and the shuttle (4108) includes a movable seat clamped between a limiting guide rail (4107) and an intermediate transmission gear (4106), and a trapezoidal shuttle body extending from the movable seat to the side opposite to the beating reed (4201), and a weft insertion hole is provided in the middle position of the trapezoidal shuttle body.

4. The double-station multi-width shuttle three-dimensional weaving equipment according to claim 1 or 2, characterized in that: The weft beating driving device comprises a motor reducer assembly, a driving shaft (4208), a connecting rod (4207), a pulling rod (4205), and a pulling rod (4209); one end of the pulling rod (4205) is hinged to the bottom of the weft insertion connecting seat (4101) and the other end is hinged to the top of the pulling rod (4209); the bottom of the pulling rod (4209) is hinged to the inner wall of the base; one end of the connecting rod (4207) is hinged to the pulling rod (4209) and the other end cooperates with the driving shaft (4208); The hinge point of the connecting rod (4207) and the pull rod (4209) is located below the hinge point of the pull rod (4205) and the connecting rod (4207); the portion of the drive shaft (4208) passing through the connecting rod (4207) and the portion of the drive shaft (4208) connected to the output shaft of the motor reducer assembly form a "J"-shaped crank structure, and the portion of the drive shaft (4208) connected to the output shaft of the motor reducer assembly and the portion of the drive shaft (4208) passing through the connecting rod (4207) are parallel but not coaxially arranged.

5. The double-station multi-width shuttle three-dimensional weaving equipment according to claim 4 is characterized in that: The bottom of the weft insertion connection seat (4101) is provided with an ear shaft seat (4202), the pull rod (4205) is hinged to the ear shaft seat (4202), the bottom of the ear shaft seat (4202) is provided with a slider (4203), and the slider (4203) is installed on the slide rail (4204).

6. The double-station multi-width shuttle three-dimensional weaving equipment according to claim 5 is characterized in that: The weaving module (4) further comprises baffles (43) mounted on both sides of the top of the base, a plurality of pressure rods (44) are arranged between the two baffles (43), and the plurality of pressure rods (44) are arranged in parallel in two upper and lower rows.

7. The double-station multi-width shuttle three-dimensional weaving equipment according to claim 6 is characterized in that: One end of the traction module (5) is arranged below the pressure rod (44).

8. The double-station multi-width shuttle three-dimensional weaving equipment according to claim 1 is characterized in that: It also comprises a creel module (1) and a yarn separation module (2), wherein the heald wire (302) is located between the yarn separation module (2) and the weaving module (4), and the yarn separation module (2) is located between the creel module (1) and the heald wire (302).

9. The double-station multi-width shuttle three-dimensional weaving equipment according to claim 8, characterized in that: The creel module (1) comprises a creel (101), a plurality of yarn tubes (102) installed on the creel (101) and arranged in rows and columns, and a yarn dividing groove (103).

10. The double-station multi-width shuttle three-dimensional weaving equipment according to claim 8, characterized in that: The yarn separation module (2) comprises a yarn separation plate (201) and a yarn separation roller (203); a plurality of yarn separation holes (202) are provided on the yarn separation plate (201); warp yarns are pulled out from the yarn rack module, pass through the yarn separation holes (202) in sequence, and then pass through the yarn separation roller (203).

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