Yarn jumping automatic stop device of dobby loom

Abstract

The utility model provides a dobby loom yarn jumping automatic stop device, which comprises a device main body, a connecting piece and a torsion spring piece, and the left upper end of the internal composition of the device main body is provided with a yarn sensing piece used for sensing yarns during yarn leading. Compared with the prior art, the device has the advantages that the device body, the connecting piece and the torsion spring piece are additionally arranged, yarn drives the yarn sensing piece to rotate around the rotating shaft through the yarn hook piece, the left end of the telescopic rod moves upwards, the automatic stop pressing column moves upwards, and the center column does not make contact with the pressure sensor; after the yarn is separated from the yarn hook piece, the yarn sensing piece automatically rotates under the action of the torsion spring piece, the automatic stop pressing column moves downwards to press the pressing spring, the center column slowly gets close to the pressure sensor, when a set of yarn does not drive the yarn sensing piece to rotate, the center column can make contact with the pressure sensor to sense the pressure sensor, and the dobby loom is controlled to be shut down through the frequency converter. Yarn jumping automatic stop can be achieved, and the torsion spring piece can be disassembled and assembled by additionally arranging the device body, the connecting piece and the torsion spring piece.

Description

TECHNICAL FIELD

[0001] The utility model belongs to multi -arm loom technical field, especially relate to a multi -arm loom yarn skipping self -stop device. BACKGROUND

[0002] Multi -arm loom is an advanced textile machinery, it controls multiple warp yarns lifting in weaving process simultaneously to realize the weaving of complex pattern, compared with traditional loom, multi -arm loom significantly improves production efficiency and fabric pattern diversity, warp yarns and weft yarns are woven to obtain corresponding spinning products in the textile operation of multi -arm loom, but in the process of warp yarn guiding, multi -arm loom occasionally does not hook warp yarn, resulting in the unsuccessful weaving of this warp yarn, which will cause certain defect in the later textile product, resulting in certain problems in the quality of textile products, affecting the later sales.

[0003] Secondly, if multi -arm loom has mechanical failure leading to more yarn skipping, it will make the final textile product unable to be completely shaped, and there are more defect points or patterns that cannot be shaped, resulting in the unsalable textile products, which brings huge loss to the production benefit of enterprises, and the manual monitoring of yarn skipping has certain delay, and there is certain hysteresis when stopping manually after finding yarn skipping.

[0004] In summary, multi -arm loom cannot realize yarn skipping self -stop, and there are some problems in use, so a new structure is expected to solve the above technical problems. UTILITY MODEL CONTENT

[0005] In view of the deficiencies in the prior art, the utility model aims at providing a multi -arm loom yarn skipping self -stop device to solve the problems in the background art.

[0006] The utility model realizes the following technical scheme: a multi -arm loom yarn skipping self -stop device, comprising: device main body, connecting piece and torsion spring piece, the yarn feeling piece for feeling yarn when guiding yarn is arranged on the upper left end in the internal composition of device main body, the telescopic rod for driving the up-down movement of self -stop pressure column is arranged on the lower right side of yarn feeling piece, the telescopic rod is composed of upper rod body and lower rod body, the self -stop pressure column for yarn skipping self -stop is arranged on the lower side of lower rod body outside, the rotation hole for making yarn feeling piece rotate around is formed vertically on the rear side of the lower end of yarn feeling piece, the torsion spring piece for controlling the automatic rotation of yarn feeling piece is arranged on the inner side of rotation hole, the connecting piece for assisting the rotation of yarn feeling piece and fixing torsion spring piece is arranged on the inner side of torsion spring piece.

[0007] As a preferred implementation, the self-stopping pressure column lower end is provided with a pressure plate, the pressure plate lower side is provided with a pressure spring, the pressure plate lower surface center is provided with a center column for extruding the pressure sensor, the pressure spring lower end inner side is provided with a pressure sensor for stopping when the yarn is skipped, and the pressure spring outer side is provided with a guide column. The pressure spring can delay the descent of the center column, so that the center column does not contact the pressure sensor when the multi-arm loom is not skipping the yarn.

[0008] As a preferred implementation, the telescopic rod left upper end is provided with an upper rotating block for assisting rotation, the telescopic rod right lower end is provided with a lower rotating block for assisting rotation, the lower rotating block front and back sides are each provided with a lower seat body, and the two groups of lower seat bodies together form a lower rotating seat.

[0009] As a preferred implementation, the upper rotating block front and back sides are each provided with an upper seat body, and the two groups of upper seat bodies together form an upper rotating seat. The upper rotating seat and the yarn feeler are an integral structure, and the upper rotating seat and the upper rotating block and the lower rotating seat and the lower rotating block are connected through a pin shaft. The rotation of the yarn feeler can drive the telescopic rod to move through the connection of the upper rotating seat and the upper rotating block and the connection of the lower rotating seat and the lower rotating block.

[0010] As a preferred implementation, the yarn feeler left upper end is provided with a yarn hook, the lower rotating seat lower side is provided with a device lower fixing plate for fixing the device main body lower end, the pressure sensor is connected with an external frequency converter through a wire, and the center column contacting the pressure sensor can make it transmit signals to the frequency converter through the wire, and then complete the multi-arm loom stopping operation through the frequency converter.

[0011] As a preferred implementation, the rotating hole outer side and the yarn feeler back side are provided with a pressing groove for assisting the installation of the connecting piece and the pressing and fixing of the torsional spring piece. The connecting piece rear end is provided with a pressure plate.

[0012] As a preferred implementation, the pressure plate and the yarn feeler back side are each provided with four groups of connecting thread holes, and the pressure plate front side is provided with a pressing block.

[0013] The pressing block and the pressing groove are mutually embedded, the pressure plate front side and the yarn feeler back side are mutually attached, and they are fixed through screw connection. The pressure plate front side is provided with a rotating shaft, the pressing block and the pressing groove are embedded, and the screw is screwed into the connecting thread hole inner side to connect and fix the connecting piece and the yarn feeler, so that the connecting piece can be detached and the torsional spring piece can be disassembled and replaced.

[0014] The beneficial effects of the multi-loom looper self-stopping device are as follows: the device main body, the connecting piece and the torsion spring piece are added, the yarn feeling piece is driven by the yarn hook piece to rotate around the rotating shaft, the left end of the telescopic rod is moved upward, the self-stopping pressure column is moved upward, the center column does not contact the pressure sensor, the yarn feeling piece is automatically rotated under the action of the torsion spring piece after the yarn is separated from the yarn hook piece, the left end of the telescopic rod is moved downward and the self-stopping pressure column is moved downward, the compression spring is pressed, the center column is slowly moved to the pressure sensor, the yarn does not drive the yarn feeling piece to rotate the center column to contact the pressure sensor to sense, and the power of the multi-loom loom is turned off through the frequency converter, so that the looper self-stopping can be realized, and the torsion spring piece can be disassembled and assembled through the device main body, the connecting piece and the torsion spring piece. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Fig. 1 It is a whole structure schematic view of the multi-loom looper self-stopping device.

[0017] Fig. 2 It is a structure schematic view of the device main body in the multi-loom looper self-stopping device.

[0018] Fig. 3 It is a structure schematic view of the connecting piece in the multi-loom looper self-stopping device.

[0019] Fig. 4 It is a structure schematic view of the self-stopping pressure column, the compression spring, the pressure sensor and the wire column in the multi-loom looper self-stopping device.

[0020] In the figure, 100 is the device main body, 101 is the yarn feeling piece, 102 is the yarn hook piece, 103 is the upper rotating seat, 104 is the rotating hole, 105 is the pressing groove, 106 is the telescopic rod, 107 is the self-stopping pressure column, 108 is the guide column, 109 is the lower rotating seat, 110 is the device lower fixing plate, and 111 is the pressure sensor.

[0021] 200 is the connecting piece, 201 is the rotating shaft, 202 is the pressing plate, 203 is the connecting thread hole, and 204 is the pressing block.

[0022] 300 is the torsion spring piece. DETAILED DESCRIPTION

[0023] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, apparently, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0024] Please refer to Figs. 1-4 The utility model provides a kind of technical scheme: a multi-arm loom yarn skipping self-stopping device, comprising: device main body 100, connecting piece 200 and torsion spring piece 300, device main body 100 is equipped with yarn feeling piece 101 for feeling yarn when yarn is guided in the upper left end in its internal composition;

[0025] Yarn feeling piece 101 right lower side is equipped with telescopic rod 106 for driving self-stopping pressure column 107 to move up and down, telescopic rod 106 is composed of upper rod body and lower rod body, lower rod body outside lower side is equipped with self-stopping pressure column 107 for use in yarn skipping self-stopping;

[0026] Yarn feeling piece 101 right lower end rear side vertical penetration forms rotating hole 104 for making yarn feeling piece 101 rotate around, rotating hole 104 inside is equipped with torsion spring piece 300 for controlling yarn feeling piece 101 automatic rotation, torsion spring piece 300 inside is equipped with connecting piece 200 for assisting yarn feeling piece 101 rotation and fixed torsion spring piece 300.

[0027] Self-stopping pressure column 107 lower end is equipped with pressing plate, pressing plate lower side is equipped with compression spring, pressing plate lower surface center is equipped with center column for extruding pressure sensor 111, compression spring lower end inside is equipped with pressure sensor 111 for stopping when yarn skipping, compression spring outside is equipped with guide column 108, the descent of center column can be delayed by compression spring, so that center column is not contacted with pressure sensor 111 when multi-arm loom is not yarn skipping.

[0028] Telescopic rod 106 left upper end is equipped with upper rotating block for assisting rotation, telescopic rod 106 right lower end is equipped with lower rotating block for assisting rotation, lower rotating block front and rear sides are both equipped with lower seat body, and two groups of lower seat bodies jointly form lower rotating seat 109.

[0029] Upper rotating block front and rear sides are both equipped with upper seat body, and two groups of upper seat bodies jointly form upper rotating seat 103, and upper rotating seat 103 is integrated with yarn feeling piece 101, and upper rotating seat 103 and upper rotating block and lower rotating seat 109 and lower rotating block are connected by pin shaft, and the rotation of yarn feeling piece 101 can drive telescopic rod 106 to move by the connection of upper rotating seat 103 and upper rotating block and the connection of lower rotating seat 109 and lower rotating block.

[0030] The upper left end of the yarn touch piece 101 is provided with a yarn hook piece 102, the lower end of the device main body 100 is fixed by a device lower fixing plate 110 below the lower rotating seat 109, the pressure sensor 111 is connected with an external frequency converter through a wire, and the central column contacts the pressure sensor 111, so that the signal is transmitted to the frequency converter through the wire, and the stop operation of the dobby loom is completed through the frequency converter.

[0031] Please refer to Figs. 1-4 , as the first embodiment of the utility model: first, the yarn is driven by the yarn hook piece 102 during the yarn guiding process, so that the yarn touch piece 101 rotates around the rotating shaft 201, the left end of the telescopic rod 106 moves upwards, and then the self-stop pressure column 107 moves upwards along the guide column 108, then the central column does not contact the pressure sensor 111, and the yarn touch piece 101 automatically rotates under the action of the torsional spring piece 300 after the yarn is separated from the yarn hook piece 102, so that the left end of the telescopic rod 106 moves downwards and the self-stop pressure column 107 moves downwards, the compression spring is pressed, the central column slowly approaches the pressure sensor 111, and secondly, when a group of yarn does not drive the yarn touch piece 101 to rotate and the yarn skipping occurs, the central column continuously moves downwards and contacts the pressure sensor 111 to make it sense, and the power of the dobby loom is controlled through the frequency converter to be turned off, so that the yarn skipping self-stop operation can be realized.

[0032] The outer side of the rotating hole 104 and the rear side of the yarn touch piece 101 are provided with a pressing groove 105 for auxiliary connecting piece 200 installation and pressing holding fixation of the torsional spring piece 300, and the rear end of the connecting piece 200 is provided with a pressing plate 202.

[0033] The rear side of the pressing plate 202 and the yarn touch piece 101 is provided with four groups of connecting thread holes 203, and the front side of the pressing plate 202 is provided with a pressing block 204.

[0034] The pressing block 204 and the pressing groove 105 are embedded with each other, the front side of the pressing plate 202 and the rear side of the yarn touch piece 101 are embedded with each other and are fixed by screw connection, the front side of the pressing plate 202 is provided with a rotating shaft 201, the pressing block 204 and the pressing groove 105 are embedded, and the screw is screwed into the inner side of the connecting thread hole 203 to connect and fix the connecting piece 200 and the yarn touch piece 101, so that the connecting piece 200 can be disassembled, and the torsional spring piece 300 can be disassembled and replaced.

[0035] Please refer to Figs. 1-3 , as the second embodiment of the utility model: based on the above first embodiment, first, the user embeds the pressing block 204 and the pressing groove 105, can press the rear end of the torsional spring piece 300, and the rotating shaft 201 passes through the center of the torsional spring piece 300 to make it concentric with the rotating shaft 201, secondly, the screw is screwed into the inner side of the connecting thread hole 203 to connect and fix the connecting piece 200 and the yarn touch piece 101, so that the connecting piece 200 can be disassembled, and the torsional spring piece 300 can be disassembled and replaced.

[0036] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sinker auto-stop device for a dobby loom, comprising: Device body (100), connecting piece (200) and torsion spring piece (300), characterized in that: the device body (100) is provided with a yarn feeling piece (101) for feeling yarn when guiding yarn in the upper left end of the internal composition; The lower side of the yarn feeling piece (101) is provided with a telescopic rod (106) for driving the up-down movement of the self-stop pressure column (107), the telescopic rod (106) is composed of an upper rod body and a lower rod body, and the outer side of the lower rod body is provided with a self-stop pressure column (107) for use in the self-stop of the yarn skipping; The rear side of the lower end of the yarn feeling piece (101) is vertically penetrated to form a rotating hole (104) for rotating the yarn feeling piece (101), and the inner side of the rotating hole (104) is provided with a torsion spring piece (300) for controlling the automatic rotation of the yarn feeling piece (101), and the inner side of the torsion spring piece (300) is provided with a connecting piece (200) for assisting the rotation and fixation of the yarn feeling piece (101) and the torsion spring piece (300).

2. A sinker stop motion for a dobby loom as claimed in claim 1, characterized in that: The lower end of the self-stop pressure column (107) is provided with a pressing plate, the lower side of the pressing plate is provided with a compression spring, the center of the lower surface of the pressing plate is provided with a center column for extruding the pressure sensor (111), the inner side of the lower end of the compression spring is provided with a pressure sensor (111) for self-stop when skipping yarn, and the outer side of the compression spring is provided with a guide column (108).

3. A sinker stop motion for a dobby loom as claimed in claim 2, characterized in that: The upper end of the telescopic rod (106) is provided with an upper rotating block for assisting rotation, and the lower end of the telescopic rod (106) is provided with a lower rotating block for assisting rotation, and the front and rear sides of the lower rotating block are provided with lower seat bodies, and the two groups of lower seat bodies jointly form a lower rotating seat (109).

4. A dobby warp stop motion for a multi-shaft loom according to claim 3, characterized in that: The front and rear sides of the upper rotating block are provided with upper seat bodies, and the two groups of upper seat bodies jointly form an upper rotating seat (103), the upper rotating seat (103) and the yarn feeling piece (101) are of an integral structure, and the upper rotating seat (103) and the upper rotating block and the lower rotating seat (109) and the lower rotating block are connected through a pin shaft.

5. A dobby warp stop motion for a multi-shaft loom according to claim 4, characterized in that: The upper end of the yarn feeling piece (101) is provided with a yarn hook piece (102), the lower side of the lower rotating seat (109) is provided with a device lower fixing plate (110) for fixing the lower end of the device body (100), and the pressure sensor (111) is connected with an external frequency converter through a lead wire.

6. A sinker stop motion for a dobby loom as claimed in claim 1, characterized in that: The outer side of the rotating hole (104) and the rear side of the yarn feeling piece (101) are provided with a pressing groove (105) for assisting the installation of the connecting piece (200) and the pressing and fixation of the torsion spring piece (300), and the rear end of the connecting piece (200) is provided with a pressing plate (202).

7. A dobby warp stop motion for a multi-shaft loom according to claim 6, characterized in that: The rear side of the pressing plate (202) and the yarn feeling piece (101) are provided with four groups of connecting screw holes (203), and the front side of the pressing plate (202) is provided with a pressing block (204); The pressing block (204) and the pressing groove (105) are mutually embedded, the front side of the pressing plate (202) and the rear side of the yarn feeling piece (101) are mutually pasted and fixed through screw connection, and the front side of the pressing plate (202) is provided with a rotating shaft (201).

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