Weft shrinkage prevention automatic locking device for jacquard carpet loom

Abstract

The utility model belongs to the technical field of textile equipment, and discloses a jacquard carpet loom weft shrinkage prevention automatic locking device which comprises an installation base and a clamping mechanism, the clamping mechanism comprises two clamping wheels with a self-locking function, and weft penetrates through the two clamping wheels in a friction mode. According to the weft yarn clamping device, through the arrangement of the two clamping wheels and the ratchet wheel and the pawl which are matched with the clamping wheels, when the weft yarn clamping device is used, weft yarn penetrates through the space between the two clamping wheels, then the distance between the two clamping wheels is adjusted through the distance adjusting assembly, and the weft yarn is clamped through the ratchet wheel and the pawl. When the weft yarn is broken, the weft yarn retracts to drive the clamping wheels to rotate reversely, at the moment, the ratchet wheel is locked by the pawl, then the clamping wheels are prevented from rotating reversely, and the function of automatically preventing the weft yarn from retracting is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to textile equipment technical field especially relates to a jacquard carpet loom weft shrinkage prevention weft automatic locking device. BACKGROUND

[0002] Jacquard carpet loom occupies the core position in the carpet production industry, along with people's living standards unceasingly improve, the aesthetic, artistic and functional requirement of carpet also increasing day by day. Jacquard carpet can weave rich and varied, exquisite complex pattern, meet the consumer's demand for individualization and high quality carpet, and is popular in the market.

[0003] Jacquard carpet loom realizes the weaving of various patterns by accurately controlling the interlacing mode of warp and weft. As a key element of the horizontal pattern of the carpet, the state of the weft in the weaving process directly affects the quality and appearance of the carpet.

[0004] At present, to prevent weft shrinkage, generally adopt over spring, clamp and other mechanical components to exert certain pressure on weft, to limit the shrinkage of weft, such as the announcement number CN206289367U to the China utility model patent discloses a kind of yarn feeding device of anti-weft shrinkage nozzle, it includes yarn rack, weft unwinder, threader, guide nozzle, be set between threader and guide nozzle's yarn clamp and be located between weft unwinder and threader's yarn tension adjusting mechanism, wherein yarn tension mechanism includes along the first threading device of X axis direction movement adjustment, along the second threading device of Y axis direction up and down movement adjustment, wherein the axial direction of X axis is perpendicular to the direction of weft movement and extends horizontally, yarn clamp has one or more, yarn clamp includes vertical on yarn rack's spool, from bottom to top be arranged on the limiting nut of spool, lower clamp piece and upper clamp piece, elastic member, locking nut, wherein spool is also provided with horizontal arrangement for yarn to pass through the through-hole, elastic member is the spring that gradually decreases from top to bottom outer diameter and both ends are in contact between upper clamp piece and locking nut, locking nut is butterfly nut.

[0005] The above-mentioned yarn clamp adopts spring as the main force component to clamp yarn, but long-term operation can cause spring metal fatigue, thereby greatly reducing the clamping function of the yarn clamp. Moreover, the above-mentioned yarn clamp needs to be manually rotated during use to clamp the weft, which is low in operation efficiency.

[0006] Therefore, a jacquard carpet loom weft shrinkage prevention weft automatic locking device is provided. UTILITY MODEL CONTENTS

[0007] The utility model aims to provide a jacquard carpet loom weft shrinkage prevention weft automatic locking device, so as to solve or at least alleviate one or more of the above problems and other aspects in the prior art.

[0008] To achieve the above object, the utility model adopts the main technical scheme including:

[0009] A jacquard carpet loom weft shrinkage prevention weft automatic locking device, including.

[0010] In a jacquard carpet loom weft shrinkage prevention weft automatic locking device according to the utility model, including mounting seat and clamping mechanism, the clamping mechanism includes two clamping wheels with self-locking function, and the weft rubs through between the two clamping wheels, and the mounting seat is provided with a pitch adjusting assembly for adjusting the interval between the two clamping wheels.

[0011] In a jacquard carpet loom weft shrinkage prevention weft automatic locking device according to the utility model, wherein the pitch adjusting assembly includes a fixed seat, the fixed seat is fixedly connected on the mounting seat, a mounting groove is formed in the side of the fixed seat away from the mounting seat, a lead screw is rotatably installed in the mounting groove, the thread direction of the lead screw at both ends is opposite, and moving blocks are threadedly rotatably connected at both ends of the lead screw.

[0012] In a jacquard carpet loom weft shrinkage prevention weft automatic locking device according to the utility model, wherein a rotating shaft is rotatably connected to the moving block, the clamping wheel is fixedly connected to the rotating shaft, a ratchet wheel is fixedly sleeved on the rotating shaft, and a pawl that is used in cooperation with the ratchet wheel is arranged on the moving block.

[0013] In a jacquard carpet loom weft shrinkage prevention weft automatic locking device according to the utility model, wherein an antiskid belt is fixedly connected to the clamping wheel.

[0014] In a jacquard carpet loom weft shrinkage prevention weft automatic locking device according to the utility model, wherein a knob cap is fixedly connected to the top of the mounting groove after the upper end of the lead screw rotatably penetrates the top of the mounting groove.

[0015] In a jacquard carpet loom weft shrinkage prevention weft automatic locking device according to the utility model, wherein a handle bolt is further included, a strip-shaped hole is formed in the side surface of the fixed seat, the strip-shaped hole is in communication with the mounting groove, a thread groove is formed in the side surface of one of the moving blocks, one end of the handle bolt can be threadedly fixedly installed in the thread groove after penetrating the strip-shaped hole, and the moving block is fixed.

[0016] In a jacquard carpet loom weft shrinkage prevention weft automatic locking device according to the utility model, wherein the side surface of the moving block is in sliding contact with the inner wall of the mounting groove.

[0017] In a jacquard carpet loom weft shrinkage prevention weft automatic locking device according to the utility model, wherein a mounting hole is formed in the mounting seat.

[0018] The utility model at least has following beneficial effects:

[0019] The utility model discloses two clamping wheels and the ratchet wheel and the pawl that cooperate with the clamping wheel are set, when using, the weft yarn is passed from two clamping wheels, then passes through the distance adjusting assembly and adjusts the interval between two clamping wheels, makes the weft yarn and the friction contact between two clamping wheels, when the weft yarn breaks, and the weft yarn retraction drives the clamping wheel reverse rotation, the pawl locks the ratchet wheel at this moment, and then prevents the clamping wheel reverse rotation, and then realizes the function of automatically preventing the weft yarn retraction. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and serve to explain the application without imposing undue limitation thereon. In the drawings:

[0021] Fig. 1 It is the structure schematic view of the automatic locking device of weft yarn shrinkage prevention of jacquard carpet loom of the utility model;

[0022] Fig. 2 It is the front view structure schematic view of the automatic locking device of weft yarn shrinkage prevention of jacquard carpet loom of the utility model;

[0023] Fig. 3 It is the structure schematic view of the utility model when not installing clamping wheel.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 1, mounting seat, 101, mounting hole, 2, fixed seat, 201, assembly slot, 202, screw rod, 203, knob cap, 204, strip hole, 205, handle bolt, 206, moving block, 3, clamping mechanism, 301, clamping wheel, 3011, antiskid belt, 302, rotating shaft, 303, ratchet wheel, 304, pawl. DETAILED DESCRIPTION

[0026] The embodiments of the present application will be described in detail below with the accompanying drawings and examples, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

[0027] Please refer to Figs. 1 to 3 The embodiment provides an automatic locking device of weft yarn shrinkage prevention of jacquard carpet loom, including mounting seat 1 and clamping mechanism 3, clamping mechanism 3 includes two clamping wheels 301 with self-locking function, and the weft yarn is rubbed through between two clamping wheels 301, and the distance adjusting assembly for adjusting the interval between two clamping wheels 301 is arranged on mounting seat 1.

[0028] In the embodiment, the distance adjusting assembly comprises a fixing seat 2 fixedly connected to the mounting seat 1, a mounting groove 201 is formed on the side of the fixing seat 2 away from the mounting seat 1, a screw rod 202 is rotatably installed in the mounting groove 201, the threads on the two ends of the screw rod 202 are opposite in rotation direction, and a moving block 206 is threadedly connected to each end of the screw rod 202, and the side surface of the moving block 206 is in sliding contact with the inner wall of the mounting groove 201.

[0029] The distance between the two moving blocks 206 can be adjusted by rotating the screw rod 202, so as to adjust the distance between the two clamping wheels 301.

[0030] In order to facilitate the rotation of the screw rod 202, a knob cap 203 is fixedly connected to the upper end of the screw rod 202 after the upper end of the screw rod 202 is rotatably penetrated through the top of the mounting groove 201.

[0031] In the embodiment, a rotating shaft 302 is rotatably connected to the moving block 206, the clamping wheel 301 is fixedly connected to the rotating shaft 302, a ratchet wheel 303 is fixedly sleeved on the rotating shaft 302, and a ratchet pawl 304 that cooperates with the ratchet wheel 303 is arranged on the moving block 206.

[0032] Through the above arrangement, when in use, the weft yarn is passed between the two clamping wheels 301, and then the distance between the two clamping wheels 301 is adjusted by the distance adjusting assembly, so that the weft yarn is in frictional contact with the two clamping wheels 301, when the weft yarn is broken, the weft yarn retraction drives the clamping wheel 301 to reverse, at this time, the ratchet pawl 304 locks the ratchet wheel 303, thereby preventing the clamping wheel 301 from reversing, thereby realizing the function of automatically preventing the weft yarn from retracting.

[0033] In order to increase the friction between the weft yarn and the clamping wheel 301, the clamping wheel 301 is fixedly connected with an anti-skid belt 3011.

[0034] In the embodiment, a mounting hole 101 is formed in the mounting seat 1, and the mounting hole 101 is arranged to facilitate the fixation of the mounting seat 1 to the rack.

[0035] In the embodiment, a handle bolt 205 is further arranged, a strip-shaped hole 204 is formed in the side surface of the fixing seat 2 and communicates with the mounting groove 201, a threaded groove is formed in the side surface of one of the moving blocks 206, one end of the handle bolt 205 is threadedly fixedly installed in the threaded groove after penetrating through the strip-shaped hole 204, thereby fixing the moving block 206, and the handle bolt 205 is arranged to fix the moving block 206 in the mounting groove 201 after adjusting the distance between the two clamping wheels 301 by tightening the handle bolt 205, so as to prevent the screw rod 202 from rotating due to vibration, thereby preventing the distance between the two clamping wheels 301 from changing.

[0036] The above description shows and describes several preferred embodiments of the present application, but as previously described, it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the application conceived herein, by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. A weft thread take-up device for an automatic weft thread locking device of a jacquard carpet loom, characterized in that, The utility model provides a weft yarn tensioning device, including mounting seat (1) and clamping mechanism (3), the clamping mechanism (3) includes two clamping wheels (301) with self locking function, and weft yarn rubs through between two clamping wheels (301), be provided with pitch adjusting assembly for adjusting the interval between two clamping wheels (301) on mounting seat (1).

2. A weft thread auto-locking device for preventing weft thread shrinkage of a pattern carpet loom according to claim 1, wherein: The pitch adjusting assembly includes a fixed seat (2) fixedly connected to the mounting seat (1), a mounting groove (201) is formed on the side of the fixed seat (2) away from the mounting seat (1), a lead screw (202) is rotatably installed in the mounting groove (201), the threads of the lead screw (202) at both ends are opposite in direction, and a moving block (206) is threadedly connected to both ends of the lead screw (202).

3. A weft thread take-up and automatic locking device for a pattern carpet loom according to claim 2, characterized in that: A rotating shaft (302) is rotatably connected to the moving block (206), the clamping wheel (301) is fixedly connected to the rotating shaft (302), a ratchet wheel (303) is fixedly sleeved on the rotating shaft (302), and a pawl (304) that cooperates with the ratchet wheel (303) is arranged on the moving block (206).

4. The automatic weft locking device for weft yarns of a pattern carpet loom according to claim 3, characterized in that: The clamping wheel (301) is fixedly connected with an anti-skid belt (3011).

5. A weft thread take-up and automatic locking device for a pattern carpet loom according to claim 4, characterized in that: A knob cap (203) is fixedly connected to the upper end of the lead screw (202) after rotating through the top of the mounting groove (201).

6. A weft thread take-up and automatic locking device for a pattern carpet loom according to claim 5, characterized in that: A handle bolt (205) is further included, a strip-shaped hole (204) is formed on the side of the fixed seat (2), the strip-shaped hole (204) is in communication with the mounting groove (201), a threaded groove is formed on the side of one of the moving blocks (206), one end of the handle bolt (205) can be threadedly fixedly installed in the threaded groove after penetrating through the strip-shaped hole (204), thereby fixing the moving block (206).

7. A weft thread take-up and automatic locking device for a pattern carpet loom according to claim 6, characterized in that: The side of the moving block (206) is in sliding contact with the inner wall of the mounting groove (201).

8. The automatic weft locking device for preventing weft contraction of a pattern carpet loom according to claim 1, wherein: An installation hole (101) is formed on the mounting seat (1).

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