Drag hook quick reset structure of multi-arm opening device

Abstract

The utility model provides a draw hook quick reset structure of a dobby shedding device, which comprises a side frame and a support rod, a group of pay-off rollers used for providing wires for a loom are arranged on the inner side of the side frame, a group of inner rotating shafts convenient for the pay-off rollers to rotate the wires are arranged in the middle of the pay-off rollers, and the support rod is arranged on the inner side of the side frame. Compared with the prior art, the crochet hook opening mechanism has the advantages that the crochet hook opening mechanism is supported through the supporting rod, the threads are guided and supported through the multiple sets of thread guiding frames, and the thread guiding and conveying efficiency is improved. The position of a thread is accurately guided through a thread guide hole, the position of the upper end of the crochet hook opening mechanism is limited through a limiting plate, the height position of a crochet hook base is adjusted through an adjusting base and an electric cylinder, and the position of a movable crochet hook is rapidly reset through a movable groove and an inner spring column.

Description

Technical Field

[0001] The utility model belongs to the technical field of dobby loom hook opening, and relates to a quick-resetting structure of a draw hook of a dobby opening device. Background Art

[0002] The dobby loom is a modern, semi-automatic mechanical device that plays a vital role in the textile industry. Computer-controlled, it utilizes multiple arms to create a variety of complex fabric patterns. While the dobby loom boasts high efficiency, precision, and functionality, it also boasts a wide range of applications. However, the inability to quickly reposition the active hooks during shedding can lead to serious problems.

[0003] Rapid resetting is crucial for ensuring continuous and efficient loom operation. If the hook cannot quickly return to its initial position, the loom's production speed will be severely affected, leading to a decrease in production efficiency. This not only increases production costs but can also delay delivery, placing operational pressure on the company. Therefore, a quick resetting mechanism for the hook of a multi-arm shedding device is urgently needed to address this issue. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a quick-reset structure for a draw hook of a multi-arm opening device to solve the problems raised in the above-mentioned background technology.

[0005] The utility model is realized by the following technical solutions: a quick reset structure of a hook of a multi-arm opening device, comprising: a side frame and a support rod, wherein a group of pay-off rollers for providing wire materials to a loom are provided inside the side frame;

[0006] A group of inner rotating shafts are provided in the middle of the pay-off roller to facilitate the rotation of the wire by the pay-off roller, and a plurality of wire racks are provided on the right side of the pay-off roller for guiding and transmitting the wire material;

[0007] A group of wire mechanisms for limiting the supply of textile wires are provided at the upper right end of the wire rack, a group of crochet opening mechanisms for weaving crochet opening operations are provided at the lower end of the wire mechanism, and a group of support rods for supporting the lower end of the crochet opening mechanism are provided at the lower end of the crochet opening mechanism. The crochet opening mechanism can be supported by using the support rods.

[0008] As a preferred embodiment, a set of limiting shell plates are provided on both sides of the wire guide mechanism for the left and right sides of the wire guide mechanism and the left and right sides of the hook opening mechanism. The limiting shell plate on the left side is fixed to the side frame by bolts.

[0009] As a preferred embodiment, the outer side of the pay-off roller is wound with yarn for weaving on a loom, and the wire racks are provided with several groups and arranged in a horizontal manner, and each group of the wire racks is provided with several groups of inner holes for the wire to pass through, so that the wire can be guided and supported by the several groups of wire racks.

[0010] As a preferred embodiment, the wire mechanism includes a top beam and a limiting plate. The lower end of the top beam is provided with two groups of wire racks for conducting the wires to different positions. The wire rack is internally provided with several groups of wire holes for guiding the wires through. The wire holes can be used to accurately guide the position of the wires.

[0011] As a preferred embodiment, the upper ends of the front and rear sides of the wire dragon frame are provided with a group of connecting frames for connecting and fixing them, and the front and rear sides of the lower end of the wire dragon frame are provided with a group of limiting plates for limiting the position of the crochet opening mechanism, and the upper ends of the limiting plates are provided with lower threading plates for weaving the thread materials, and the upper end position of the crochet opening mechanism can be limited by using the limiting plates.

[0012] As a preferred embodiment, the crochet hook opening mechanism includes a connecting seat and a movable groove. A group of internal fixed needle racks for connecting and fixing the fixed crochet hook are provided on the right side of the connecting seat. A group of adjustment seats for supporting and installing the crochet hook seat are provided on the front and back sides of the internal fixed needle rack.

[0013] As a preferred embodiment, the upper end of the adjustment seat is provided with several groups of crochet hook seats for opening the thread material, the lower end of the adjustment seat is provided with several groups of electric cylinders for adjusting the height position of the adjustment seat, the inner side of several groups of electric cylinders is provided with inner frames for connecting and fixing them, and the lower end of the middle position of the inner frame is provided with a group of lower support columns for supporting the crochet hook opening mechanism, and the height position of the crochet hook seat can be adjusted by using the adjustment seat and the electric cylinder.

[0014] As a preferred embodiment, the upper end of the crochet hook seat is provided with several groups of movable crochet hooks for opening the thread material, and the rear side of the crochet hook seat is provided with a group of movable grooves for moving the movable crochet hooks up and down, and the movable grooves are provided with inner spring columns for supporting the lower ends of the movable crochet hooks. The position of the movable crochet hook can be quickly reset by using the movable grooves and the inner spring columns.

[0015] After adopting the above technical scheme, the beneficial effects of the utility model are: by using support rods to support the crochet opening mechanism, by using several groups of wire racks to guide and support the wire material, by using wire holes to accurately guide the position of the wire material, by using limit plates to limit the upper end position of the crochet opening mechanism, by using adjustment seats and electric cylinders to adjust the height position of the crochet seat, and by using movable grooves and internal spring columns to quickly reset the position of the movable crochet needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0017] Figure 1 This is a schematic diagram of a top view of the right front oblique side of a quick-reset structure of a draw hook of a multi-arm opening device of the present invention;

[0018] Figure 2 This is a schematic diagram of a top view of the right oblique front side of a guide wire mechanism in a quick-reset structure of a draw hook of a multi-arm opening device of the present invention;

[0019] Figure 3 This is a schematic diagram of a top view of the right oblique front side of a hook opening mechanism in a quick-reset structure of a draw hook of a multi-arm opening device of the present invention;

[0020] Figure 4 This is a schematic diagram of the structure of the multi-arm opening device of the utility model when the movable hook is connected in the quick reset structure of the draw hook;

[0021] Figure 5 This is a schematic diagram of a top view from the right rear side of a structure of a draw hook quick reset structure of a multi-arm opening device of the present invention when a movable groove is connected to a movable hook;

[0022] In the figure: 100-side frame, 110-inner rotating shaft, 120-pay-off roller, 130-wire frame, 140-wire mechanism, 150-hook opening mechanism, 160-support rod;

[0023] 14a-top beam, 14b-conductor dragon frame, 14c-connecting frame, 14d-conductor hole, 14e-lower wire plate, 14f-limiting plate;

[0024] 15a-connecting seat, 15b-internal fixed needle holder, 15c-fixed crochet needle, 15d-crochet needle seat, 15e-adjusting seat, 15f-electric cylinder, 15g-lower support column, 15h-movable crochet needle, 15i-movable slot. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-Figure 5 A quick-reset structure for a hook of a multi-arm opening device includes a side frame 100, a guide wire mechanism 140, a hook opening mechanism 150, and a support rod 160. A set of pay-off rollers 120 for supplying wire to a loom are provided inside the side frame 100.

[0027] A set of inner rotating shafts 110 are provided in the middle of the pay-off roller 120 to facilitate the pay-off roller 120 to rotate the wire. A plurality of wire racks 130 are provided on the right side of the pay-off roller 120 for guiding and transmitting the wire.

[0028] A group of wire mechanisms 140 for limiting the supply of textile wires are provided at the upper right end of the wire rack 130, and a group of crochet opening mechanisms 150 for weaving crochet opening operations are provided at the lower end of the wire mechanism 140. A group of support rods 160 for supporting the lower end of the crochet opening mechanism 150 are provided at the lower end of the crochet opening mechanism 150. The crochet opening mechanism 150 can be supported by using the support rods 160.

[0029] A set of limiting shell plates are provided on both sides of the wire guide mechanism 140 for the left and right sides of the wire guide mechanism 140 and the left and right sides of the hook opening mechanism 150. The left limiting shell plate is fixed to the side frame 100 by bolts.

[0030] The outside of the pay-off roller 120 is wound with the weaving yarn for the loom. There are several groups of wire racks 130 arranged in a horizontal manner, and each group of wire racks 130 is provided with several groups of inner holes for the wire to pass through. The wire can be guided and supported by the several groups of wire racks 130.

[0031] The wire mechanism 140 includes a top beam 14a and a limit plate 14f. The lower end of the top beam 14a is provided with two groups of wire racks 14b for conducting wires to different positions. The wire racks 14b are internally provided with several groups of wire holes 14d for guiding the wires through. The wire holes 14d can be used to accurately guide the position of the wires.

[0032] A group of connecting frames 14c for connecting and fixing the wire dragon frame 14b are provided on the upper ends of the front and rear sides, and a group of limiting plates 14f for limiting the position of the crochet opening mechanism 150 are provided on the front and rear sides of the lower end of the wire dragon frame 14b. The upper end of the limiting plate 14f is provided with a lower threading plate 14e for weaving the thread material. The upper end position of the crochet opening mechanism 150 can be limited by using the limiting plate 14f.

[0033] The crochet opening mechanism 150 includes a connecting seat 15a, a crochet seat 15d, a movable crochet 15h and a movable groove 15i. A group of internal fixed needle racks 15b for connecting and fixing the fixed crochet hook 15c are provided on the right side of the connecting seat 15a. A group of adjustment seats 15e for supporting and installing the crochet seat 15d are provided on the front and back sides of the internal fixed needle rack 15b.

[0034] Several groups of crochet hook seats 15d for opening the thread material are provided at the upper end of the adjusting seat 15e, and several groups of electric cylinders 15f for adjusting the height position of the adjusting seat 15e are provided at the lower end of the adjusting seat 15e. Internal frames for connecting and fixing the several groups of electric cylinders 15f are provided on the inner side, and a group of lower support columns 15g for supporting the crochet hook opening mechanism 150 are provided at the lower end of the middle position of the inner frame. The height position of the crochet hook seat 15d can be adjusted by using the adjusting seat 15e and the electric cylinder 15f.

[0035] The upper end of the crochet hook seat 15d is provided with several groups of movable crochet hooks 15h for opening the thread material, and the rear side of the crochet hook seat 15d is provided with a group of movable grooves 15i for moving the movable crochet hooks 15h up and down. The movable grooves 15i are provided with inner spring columns for supporting the lower ends of the movable crochet hooks 15h. The position of the movable crochet hooks 15h can be quickly reset by using the movable grooves 15i and the inner spring columns.

[0036] See also Figure 1-Figure 5 As the first embodiment of the present utility model: In order to solve the problem that rapid resetting is a key link to ensure continuous and efficient operation of the loom, if the hook cannot quickly return to the initial position, the production speed of the loom will be seriously affected, resulting in a decrease in production efficiency, first, the staff passes the wire material wrapped around the outside of the wire roller 120 through the wire rack 130 and the inside of the wire hole 14d, and then the staff uses the hook opening mechanism 150 to open the wire material. When the inner side of the movable hook 15h hooks the wire material, the movable hook 15h is subjected to resistance and moves inside the movable groove 15i. At the same time, the movable hook 15h squeezes the inner spring column inside the movable groove 15i to generate compression. The inner spring column can provide a reverse force to the pressure of the movable hook 15h, thereby facilitating the rapid resetting of the movable hook 15h for continuous opening operation.

[0037] See also Figure 1-Figure 5 , as the second embodiment of the present utility model: Based on the description in the above embodiment, further, when the staff needs to perform opening operations on fabrics of different heights, since the upper end of the adjustment seat 15e is provided with several groups of hook seats 15d for opening the thread materials, and the lower end of the adjustment seat 15e is provided with several groups of electric cylinders 15f for adjusting the height position of the adjustment seat 15e, the staff can move the position of the adjustment seat 15e up and down by adjusting the electric cylinders 15f, thereby synchronously adjusting the height of several groups of hook seats 15d, and adapting to the opening operations of various threads and fabrics.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A quick-reset structure for a draw hook of a multi-arm opening device, comprising: A side frame (100), a wire guide mechanism (140), a hook opening mechanism (150) and a support rod (160), characterized in that a group of pay-off rollers (120) for providing wire materials to the loom are provided inside the side frame (100); A group of inner rotation shafts (110) are provided in the middle of the pay-off roller (120) to facilitate the pay-off roller (120) to rotate the wire, and a plurality of groups of wire racks (130) for guiding and transmitting the wire are provided on the right side of the pay-off roller (120); The upper right end of the wire rack (130) is provided with a wire mechanism (140) for limited supply of textile wires, the lower end of the wire mechanism (140) is provided with a crochet opening mechanism (150) for crochet opening operation of weaving, and the lower end of the crochet opening mechanism (150) is provided with a support rod (160) for supporting the lower end of the crochet opening mechanism (150).

2. The quick-reset structure of the draw hook of the multi-arm opening device according to claim 1, characterized in that: A set of limiting shell plates are provided on both the left and right sides of the wire guide mechanism (140) for the left and right sides of the wire guide mechanism (140) and the left and right sides of the hook opening mechanism (150), and the limiting shell plate on the left side is fixed to the side frame (100) by bolt connection.

3. The quick-reset structure of the draw hook of the multi-arm opening device according to claim 1, characterized in that: The outer side of the pay-off roller (120) is wound with thread for weaving on a loom. The wire racks (130) are provided in a plurality of groups and arranged in a transverse manner. Each group of the wire racks (130) is provided with a plurality of inner holes for thread to penetrate.

4. The quick-reset structure for the draw hook of a multi-arm opening device according to claim 2, characterized in that: The wire guide mechanism (140) comprises a top beam (14a) and a limiting plate (14f); the lower end of the top beam (14a) is provided with two groups of wire guide racks (14b) for conducting wires at different positions; the wire guide racks (14b) are internally provided with a plurality of groups of wire guide holes (14d) for guiding the wires through.

5. The quick-reset structure for the draw hook of the multi-arm opening device according to claim 4, characterized in that: A group of connecting frames (14c) for connecting and fixing the conductor dragon frame (14b) are provided at the upper ends of both the front and rear sides, a group of limiting plates (14f) for limiting the position of the hook opening mechanism (150) are provided at the lower ends of both the front and rear sides, and a lower threading plate (14e) for weaving the thread material is provided at the upper ends of the limiting plates (14f).

6. The quick-reset structure of the draw hook of the multi-arm opening device according to claim 2, characterized in that: The crochet needle opening mechanism (150) comprises a connecting seat (15a), a crochet needle seat (15d), a movable crochet needle (15h) and a movable groove (15i); a group of inner fixed needle frames (15b) for connecting and fixing the fixed crochet needle (15c) are provided on the right side of the connecting seat (15a); and a group of adjustment seats (15e) for supporting and installing the crochet needle seat (15d) are provided on both the front and rear sides of the inner fixed needle frame (15b).

7. The quick-reset structure for the draw hook of the multi-arm opening device according to claim 6, characterized in that: The upper end of the adjustment seat (15e) is provided with a plurality of groups of hook seats (15d) for opening the thread material, and the lower end of the adjustment seat (15e) is provided with a plurality of groups of electric cylinders (15f) for adjusting the height position of the adjustment seat (15e). The inner sides of the plurality of groups of electric cylinders (15f) are provided with inner frames for connecting and fixing them, and the lower end of the middle position of the inner frame is provided with a group of lower support columns (15g) for supporting the hook opening mechanism (150).

8. The quick-reset structure for the draw hook of the multi-arm opening device according to claim 7, characterized in that: The upper end of the hook seat (15d) is provided with a plurality of groups of movable hooks (15h) for opening the thread material, and the rear side of the hook seat (15d) is provided with a group of movable grooves (15i) for moving the movable hooks (15h) up and down, and the movable grooves (15i) are provided with inner spring columns for supporting the lower ends of the movable hooks (15h).

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