Weft insertion adjusting device of air jet loom

Abstract

The invention relates to the field of air-jet loom equipment, in particular to an air-jet loom weft insertion adjusting device which comprises two sets of supporting clamping bases used for supporting, and limiting rotating bases used for limiting are arranged on the upper end faces of the two sets of supporting clamping bases. When yarns are centrally guided, a servo motor can synchronously drive a plurality of groups of driven gears to rotate through a driving gear, and the plurality of groups of driven gears can synchronously drive an air guide clamping cylinder and a weft insertion air cylinder to rotate, so that an air injection hole and a spiral guide groove in the weft insertion air cylinder can form spiral wind power; meanwhile, in cooperation with axial high-pressure wind power, the efficiency and accuracy of weft insertion and guiding of the yarn can be effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of air jet loom equipment, in particular to a weft insertion regulating device for an air jet loom. Background Art

[0002] The air jet loom is a shuttleless loom that uses a jet of air to pull the weft yarn through the shed. Its working principle is to use air as the weft insertion medium, and the compressed air jet generates friction traction on the weft yarn, pulling the weft yarn through the shed to complete the weaving process.

[0003] For example, the utility model patent disclosed in the publication number is CN214271194U, a weft insertion device of an air jet loom, including a base, a box body is installed on the upper part of the base, an opening is left on the front end surface of the box body, slide grooves are installed near the front end on both sides of the opening, a protective cover plate is vertically installed in the slide groove, two blocks are symmetrically welded and installed at the bottom end of the protective cover plate, a weft insertion assembly is installed in the box body, an air suction hood is installed on the lower side of the weft insertion assembly, a negative pressure fan is installed at the bottom of the air suction hood, and an air suction pipe is connected and installed on both sides of the lower part of the negative pressure fan, and a dust collecting tank is connected and installed at the other end of the air suction pipe. The utility model realizes effective protection of the weft insertion process, avoids flying flowers adhering to the weft line during air jet weft insertion, and at the same time, the negative pressure suction force generated by the negative pressure fan installed on the lower side of the weft insertion assembly sucks the hair scraps on the surface of the weft line into the dust collecting tank, reduces the interference of the hair scraps on the weft insertion work, and has the advantages of good use effect.

[0004] Although the above-mentioned weft insertion device of the jet loom can insert the yarn, the centering stability of the above-mentioned weft insertion device when inserting the yarn is insufficient, thereby reducing the efficiency of subsequent weft insertion of the yarn. Therefore, a weft insertion adjustment device for a jet loom is needed to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a weft insertion regulating device for an air jet loom to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a weft insertion adjustment device for an air jet loom, comprising two groups of support holders for support, and the upper end surfaces of the two groups of support holders are both provided with a limit rotating seat for limiting.

[0007] Guide screw rods, wherein the guide screw rods are provided with two groups, and the two groups of guide screw rods are rotatably clamped on the inner end surface of the limit rotating seat, and synchronous pulleys are provided at both ends of the guide screw rods, and the two groups of synchronous pulleys on the same side are meshed and connected by synchronous belts, and a reduction motor is provided at the outer end surface of the limit rotating seat facing the guide screw rod;

[0008] Weft insertion devices, wherein the weft insertion devices are provided with four groups in total, and the four groups of weft insertion devices are slidably connected to the inner end surfaces of the two groups of support seats through the threaded guide screws;

[0009] An air guide device is fixedly arranged on the upper end surface of the weft insertion device.

[0010] Preferably, the weft insertion device includes a fixed card seat, the upper end surface of the fixed card seat is provided with two groups of threaded slides for guiding, the inner end surface of the fixed card seat is provided with seven groups of limit rotation grooves at equal distances, and the inner end surface of the limit rotation groove is rotatably connected with a centering device, the lower end surface of the fixed card seat is provided with a servo motor near the side, and a driving gear is fixedly provided at the output end of the servo motor.

[0011] Preferably, the centering device includes a weft insertion air cylinder for support, the inner end surface of the weft insertion air cylinder is provided with six groups of spiral guide grooves at equal distances, and the inner end surface of the weft insertion air cylinder is provided with air jet holes at equal distances, the upper end surface of the weft insertion air cylinder is provided with six groups of air guide branch pipes at equal distances, and an air guide cartridge is fixedly provided on the upper end surfaces of the six groups of air guide branch pipes, driven gears are fixedly provided on the outer end surfaces of the six groups of air guide branch pipes, and an air guide groove is provided at the center of the inner end surface of the driven gear.

[0012] Preferably, the air guide device includes an air storage box, the inner end surface of the air storage box is provided with seven groups of weft insertion air holes at equal distances, and two groups of air supply ducts are provided on both side ends of the air storage box, a sealing insert is provided on the lower end surface of the air storage box opposite to the weft insertion air holes, a sealing seat is provided on the lower end surface of the air storage box opposite to the sealing insert, and a sealing groove is provided on the lower end surface of the air storage box opposite to the sealing seat.

[0013] Preferably, the limiting rotation groove is adapted to the air guide cartridge, and the weft insertion air cartridge is adapted to the air guide cartridge via the limiting rotation groove and then rotatably clamped inside the fixed cartridge. The limiting rotation groove can provide a sufficient limiting basis for the air guide cartridge, thereby improving the stability of the subsequent rotation of the centering device inside the fixed cartridge.

[0014] Preferably, the driving gear is meshedly connected with the driven gear, and the air guide cartridge, the air guide branch pipe and the weft insertion air cylinder are through-connected, which can improve the stability of the subsequent air storage box to guide the air supply inside the weft insertion air cylinder.

[0015] Preferably, the interior of the weft insertion air cylinder is hollow, the spiral guide groove is spirally arranged, and the air jet hole is parallel to the spiral guide groove. The spiral guide groove and the air jet hole are both spirally arranged, which can facilitate the subsequent weft insertion air cylinder to form a spiral-centered wind force when rotating at high speed, thereby improving the stability of yarn extraction.

[0016] Preferably, the sealing card seat is sealed and rotatably connected with the gas guide cartridge via the sealing card slot, and the sealing card slot and the gas guide cartridge can be connected and connected, thereby improving the subsequent supply of high-pressure gas and improving the stability of the centering of the line body.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. When the present invention guides the yarn in the center, the servo motor can synchronously drive multiple sets of driven gears to rotate through the driving gear, and the multiple sets of driven gears can synchronously drive the air guide cartridge and the weft insertion cylinder to rotate, so that the air jet holes and the spiral guide grooves inside the weft insertion cylinder can form a spiral wind force, thereby centering the guided yarn, and at the same time, with the axial high-pressure wind force, the efficiency and accuracy of the weft insertion guiding of the yarn can be effectively improved.

[0019] 2. When the present invention performs synchronous positioning and regulation on multiple sets of centering devices, the reduction motor can synchronously drive the two sets of guide screws to rotate through the synchronous belt and the synchronous pulley, and the two sets of guide screws can be threadedly connected with the threaded slide, thereby synchronously driving the multiple sets of centering devices to move synchronously, effectively providing the accuracy of subsequent positioning and alignment regulation of the centering devices. At the same time, the driving gear can be meshed with the multiple sets of driven gears to effectively improve the efficiency of the equipment in utilizing power. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0021] Figure 1 A disassembled diagram of the main body of the present invention;

[0022] Figure 2 It is a structural schematic diagram of the main body of the present invention;

[0023] Figure 3 It is a disassembled diagram of the weft insertion device of the present invention;

[0024] Figure 4 It is a structural schematic diagram of the weft insertion device of the present invention;

[0025] Figure 5 It is a disassembled diagram of the centering device of the present invention;

[0026] Figure 6 It is a structural schematic diagram of the centering device of the present invention;

[0027] Figure 7 It is a structural schematic diagram of the gas guide device of the present invention;

[0028] Figure 8 It is a side view of the air guide device of the present invention.

[0029] In the figure: 1-reduction motor, 2-weft insertion device, 3-supporting seat, 4-air guide device, 5-synchronous belt, 6-synchronous pulley, 7-guide screw, 8-limiting rotating seat, 21-limiting rotating groove, 22-fixed seat, 23-threaded slide, 24-centering device, 25-servo motor, 26-driving gear, 241-air guide groove, 242-driven gear, 243-air guide cartridge, 244-air guide branch pipe, 245-weft insertion air cylinder, 246-spiral guide groove, 247-jet hole, 41-air storage box, 42-weft insertion air hole, 43-air supply duct, 44-sealing seat, 45-sealing slot, 46-sealing insert. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0031] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0032] The present invention is further described below in conjunction with the accompanying drawings.

[0033] Example 1

[0034] See also Figure 1-8 The present invention provides an embodiment: a weft insertion adjustment device for an air jet loom, comprising two groups of support holders 3 for support, and the upper end surfaces of the two groups of support holders 3 are both provided with a limit rotating seat 8 for limiting.

[0035] Guide screw rods 7, there are two sets of guide screw rods 7, and both sets of guide screw rods 7 are rotatably clamped on the inner end surface of the limit rotating seat 8, and synchronous pulleys 6 are arranged at both ends of the guide screw rods 7, and the two sets of synchronous pulleys 6 on the same side are meshed and connected by a synchronous belt 5, and a reduction motor 1 is arranged at the outer end surface of the limit rotating seat 8 facing the guide screw rod 7;

[0036] Weft insertion devices 2, there are four sets of weft insertion devices 2, the four sets of weft insertion devices 2 are threadedly slidably connected to the inner end surfaces of the two sets of support seats 3 through guide screw rods 7;

[0037] The air guide device 4 is fixedly arranged on the upper end surface of the weft insertion device 2.

[0038] The weft insertion device 2 includes a fixed card seat 22, and two groups of threaded slide seats 23 for guiding are arranged on the upper end surface of the fixed card seat 22, seven groups of limit rotation grooves 21 are equidistantly opened on the inner end surface of the fixed card seat 22, and a centering device 24 is rotatably connected to the inner end surface of the limit rotation groove 21, a servo motor 25 is arranged near the side of the lower end surface of the fixed card seat 22, and a driving gear 26 is fixedly arranged at the output end of the servo motor 25.

[0039] The centering device 24 includes a weft insertion air cylinder 245 for support, the inner end surface of the weft insertion air cylinder 245 is provided with six groups of spiral guide grooves 246 at equal distances, and the inner end surface of the weft insertion air cylinder 245 is provided with air injection holes 247 at equal distances, the upper end surface of the weft insertion air cylinder 245 is provided with six groups of air guide branch pipes 244 at equal distances, and an air guide cartridge 243 is fixedly provided on the upper end surfaces of the six groups of air guide branch pipes 244, a driven gear 242 is fixedly provided on the outer end surfaces of the six groups of air guide branch pipes 244, and an air guide groove 241 is provided at the center of the inner end surface of the driven gear 242.

[0040] The air guide device 4 includes an air storage box 41, the inner end surface of the air storage box 41 is provided with seven groups of weft insertion air holes 42 at equal intervals, and two groups of air supply ducts 43 are provided on both side ends of the air storage box 41, a sealing insert 46 is provided on the lower end surface of the air storage box 41 opposite to the weft insertion air holes 42, a sealing socket 44 is provided on the lower end surface of the air storage box 41 opposite to the sealing insert 46, and a sealing slot 45 is provided on the lower end surface of the air storage box 41 opposite to the sealing socket 44.

[0041] The limiting rotation groove 21 is adapted to the air guide cartridge 243, and the weft insertion air cartridge 245 is adapted to the air guide cartridge 243 through the limiting rotation groove 21 and then rotatably clamped in the fixed cartridge 22. The limiting rotation groove 21 can provide a sufficient limiting basis for the air guide cartridge 243, thereby improving the stability of the subsequent rotation of the centering device 24 in the fixed cartridge 22.

[0042] The driving gear 26 is meshedly connected with the driven gear 242, and the air guide cartridge 243, the air guide branch pipe 244 and the weft insertion air cylinder 245 are through-connected, which can improve the stability of the subsequent air storage box 41 in guiding the air supply inside the weft insertion air cylinder 245.

[0043] The interior of the weft insertion air cylinder 245 is hollow, the spiral guide groove 246 is spirally arranged, and the air jet hole 247 is parallel to the spiral guide groove 246. The spiral guide groove 246 and the air jet hole 247 are both spirally arranged, which can facilitate the subsequent weft insertion air cylinder 245 to form a spiral-centered wind force when rotating at high speed, thereby improving the stability of yarn derivation.

[0044] The sealing card seat 44 is sealed and rotatably connected with the gas guide cartridge 243 through the sealing card slot 45. The sealing card slot 45 and the gas guide cartridge 243 can be connected and connected, thereby improving the subsequent supply of high-pressure gas and improving the stability of the line body centering.

[0045] Working principle: Before use, the user can dock the device with an external air supply device to facilitate sufficient wind force for subsequent yarns to be guided inside the weft insertion device 2. At the same time, the staff can quickly and accurately adjust the docking position of the weft insertion device 2. When adjusting the position, the staff can start the reduction motor 1. At this time, the reduction motor 1 can synchronously drive the two sets of synchronous pulleys 6 to rotate through the synchronous belt 5. At the same time, the two sets of synchronous pulleys 6 can synchronously drive the two sets of guide screws 7 to rotate. When the two sets of guide screws 7 rotate, the guide screws 7 can be connected to the four sets of threaded slides 23 through threads, thereby synchronously adjusting the precise position of the subsequent centering device 24 docking with the external conduit. When the yarn is inserted, the external air guide tube can be docked with the air supply conduit 43, and then the external air supply module can introduce the yarn and high-pressure gas into the air guide cartridge. 243 and the inside of the weft insertion air cylinder 245, the staff can start the servo motor 25, at this time, the servo motor 25 can drive the multiple groups of driven gears 242 on the side to rotate, when the driven gear 242 is rotating, it can drive the weft insertion air cylinder 245 and the air guide cartridge 243 to rotate in a sealed manner inside the sealing cartridge 44, and at the same time, due to the high-pressure air guide of the air supply duct 43 through the air guide pipe, the sealing slot 45 can introduce the gas into the weft insertion air cylinder 245 through the air guide cartridge 243 and the air guide branch pipe 244. When the yarn is introduced into the weft insertion air cylinder 245, the multiple groups of jet holes 247 inside the weft insertion air cylinder 245 can center the introduced yarn through wind force, thereby improving the efficiency of external vertical jet weft insertion to center and guide the yarn, and the rotating weft insertion air cylinder 245 can further improve the stability of yarn centering guidance through spiral wind force.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A weft insertion adjustment device for an air jet loom, comprising two groups of support holders (3) for supporting, and the upper end surfaces of the two groups of support holders (3) are both provided with position limiting rotating seats (8) for limiting, characterized in that: A guide screw rod (7), wherein the guide screw rod (7) is provided with two groups, and the two groups of the guide screw rods (7) are both rotatably clamped on the inner end surface of the limit rotating seat (8), and synchronous pulleys (6) are provided at both ends of the guide screw rod (7), and the two groups of the synchronous pulleys (6) on the same side are meshed and connected by a synchronous belt (5), and a reduction motor (1) is provided at the outer end surface of the limit rotating seat (8) facing the guide screw rod (7); Weft insertion devices (2), the weft insertion devices (2) being provided with four groups in total, and the four groups of weft insertion devices (2) being threadedly slidably connected to the inner end surfaces of the two groups of support seats (3) through the guide screw rods (7); An air guide device (4), wherein the air guide device (4) is fixedly arranged on the upper end surface of the weft insertion device (2).

2. The weft insertion adjustment device for an air jet loom according to claim 1, characterized in that: The weft insertion device (2) comprises a fixed clamping seat (22), the upper end surface of the fixed clamping seat (22) is provided with two groups of threaded slide seats (23) for guiding, the inner end surface of the fixed clamping seat (22) is provided with seven groups of limit rotation grooves (21) at equal intervals, and the inner end surface of the limit rotation groove (21) is rotatably connected with a centering device (24), the lower end surface of the fixed clamping seat (22) is provided with a servo motor (25) near the side, and the output end of the servo motor (25) is fixedly provided with a driving gear (26).

3. The weft insertion adjustment device for an air jet loom according to claim 2, characterized in that: The centering device (24) comprises a weft insertion cylinder (245) for support, the inner end surface of the weft insertion cylinder (245) is provided with six groups of spiral guide grooves (246) at equal intervals, and the inner end surface of the weft insertion cylinder (245) is provided with air injection holes (247) at equal intervals, the upper end surface of the weft insertion cylinder (245) is provided with six groups of air guide branch pipes (244) at equal intervals, and the upper end surfaces of the six groups of the air guide branch pipes (244) are fixedly provided with air guide cartridges (243), the outer end surfaces of the six groups of the air guide branch pipes (244) are fixedly provided with driven gears (242), and an air guide groove (241) is provided at the center of the inner end surface of the driven gear (242).

4. The weft insertion adjustment device for an air jet loom according to claim 3, characterized in that: The air guide device (4) comprises an air storage box (41), the inner end surface of the air storage box (41) is provided with seven groups of weft insertion air holes (42) at equal intervals, and two groups of air supply ducts (43) are provided at both side ends of the air storage box (41), a sealing insert (46) is provided at the lower end surface of the air storage box (41) directly opposite to the weft insertion air holes (42), a sealing seat (44) is provided at the lower end surface of the air storage box (41) directly opposite to the sealing insert (46), and a sealing slot (45) is provided at the lower end surface of the air storage box (41) directly opposite to the sealing seat (44).

5. The weft insertion adjustment device for an air jet loom according to claim 4, characterized in that: The position-limiting rotating groove (21) is adapted to the air guide cartridge (243), and the weft insertion air cartridge (245) is adapted to the air guide cartridge (243) through the position-limiting rotating groove (21) and is then rotatably clamped inside the fixed clamping seat (22).

6. The weft insertion regulating device for an air jet loom according to claim 4, characterized in that: The driving gear (26) is meshedly connected with the driven gear (242), and the air guide cartridge (243), the air guide branch pipe (244) and the weft insertion air cylinder (245) are through-connected.

7. The weft insertion regulating device for an air jet loom according to claim 6, characterized in that: The interior of the weft insertion cylinder (245) is hollow, the spiral guide groove (246) is spirally arranged, and the air injection hole (247) is parallel to the spiral guide groove (246).

8. The weft insertion regulating device for an air jet loom according to claim 4, characterized in that: The sealing clamp seat (44) is sealingly and rotatably clamped with the air guide clamp cylinder (243) via the sealing clamp groove (45).

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