Electronic scissors device for shearing weft of weaving machine

By using an eccentric disc drive and a sliding rail design for the electronic scissors device, the problem of rapid wear and inconvenient replacement of loom scissors has been solved, simplifying scissor replacement and improving efficiency.

CN223921695UActive Publication Date: 2026-02-17QINGDAO JINHUAFENG MASCH MFG CO LTD
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Patent Information

Application Number
CN202520207939.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-02-17
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

The blades of existing loom scissor devices wear out quickly and are inconvenient to replace, affecting replacement efficiency.

Method used

It adopts an electronic scissor device, which drives the moving scissor blade to cut the weft yarn in a cyclic reciprocating manner through an eccentric disk, and is designed with a sliding groove and a sliding rail to facilitate the disassembly and replacement of the stationary scissor blade.

Benefits of technology

It simplifies the scissor replacement process and improves replacement efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electronic scissors device for weft cutting of a weaving machine, which comprises a fixed side plate, the front side of the fixed side plate is detachably and slidably provided with the fixed side plate, the lower part of the front side of the fixed side plate is movably provided with a scissors moving plate through a coil spring, and the lower end of the fixed side plate is provided with a fixed base. A motor is fixedly installed at the upper end of the fixing base through a fixing base, an eccentric disc is fixedly connected to a power output shaft of the motor, and the lower end of the eccentric disc is installed on a scissor moving plate in a contact mode. The motor is started to drive the eccentric disc to rotate, the eccentric disc is matched with the scissor moving plate, so that the scissor moving plate can circularly cut wefts in a reciprocating mode, when the blades need to be replaced, the installation disc is pulled backwards, the installation column is separated from the positioning hole, and then the blades slide upwards out of the scissor static plate through the matching of the sliding groove and the sliding rail. And therefore, the operation is relatively simple, and the replacement efficiency can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to loom weft cutting technical field especially a loom weft cutting electronic scissors device. BACKGROUND

[0002] At present, the weft cutting in market mainly adopts two kinds of scissors device, which are mechanical transmission scissors and electronic scissors device.

[0003] The main cutting parts in the above-mentioned scissors device are scissors static sheet and scissors dynamic sheet, and the scissors static sheet usually adopts the blade mounting plate with bending shape, and the cutting is carried out by the mutual adhesion of the cutting edges of the scissors dynamic sheet and the scissors static sheet.

[0004] The above-mentioned cutting method is fast in blade wear and inconvenient in replacement. INVENTION CONTENTS

[0005] In order to overcome the above-mentioned defects in the prior art, the utility model provides a loom weft cutting electronic scissors device.

[0006] The utility model solves the technical scheme that the utility model adopts: a loom weft cutting electronic scissors device, including fixed side plate, the front side of fixed side plate is detachable and is slidably installed scissors static sheet, the lower part of the front side of fixed side plate is movably installed scissors dynamic sheet through coil spring, the lower end of fixed side plate is provided with fixed base, the upper end of fixed base is fixedly installed motor through fixed seat, the power output shaft of motor is fixedly connected eccentric disc, the lower end of eccentric disc is in contact with the installation of scissors dynamic sheet.

[0007] Further, the front lower end of the fixed side plate is provided with a through hole, and the coil spring is movably installed in the through hole.

[0008] Further, the front side of the fixed side plate is provided with a sliding groove, the rear side of the scissors static sheet is provided with a sliding rail, and the sliding rail and the sliding groove are slidably installed.

[0009] Further, the front side of the fixed side plate is provided with a plurality of groups of mounting holes, the mounting holes are slidably installed mounting columns inside, the rear side of the mounting column is fixedly installed mounting disc, the front side of the mounting disc is fixedly installed spring, the spring is arranged on the outside of the mounting column, and the front side of the spring is fixedly connected with the fixed side plate.

[0010] Further, the rear side of the scissors static sheet is provided with a plurality of groups of positioning holes, and the positioning holes and the mounting holes are one-to-one correspondingly arranged.

[0011] Further, the positioning hole is installed in cooperation with the mounting column.

[0012] The beneficial effects of this utility model are as follows: by starting the motor to drive the eccentric disk to rotate, the eccentric disk and the moving blade of the scissors can repeatedly cut the weft thread through the cooperation of the eccentric disk and the moving blade of the scissors. When it is necessary to replace the blade, the mounting plate is pulled to the rear to make the mounting post disengage from the positioning hole. Then, the stationary blade of the scissors slides out upward through the cooperation of the sliding groove and the sliding rail. Then it can be replaced. The operation is relatively simple and can improve the replacement efficiency. Attached Figure Description

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0014] Figure 1 This is the front view of the present invention;

[0015] Figure 2 This is a front view of the fixed side plate of this utility model;

[0016] Figure 3 This is a schematic diagram of the installation structure of the fixed side plate and the scissor plate of this utility model;

[0017] Figure 4 This is a rear side view of the scissor blade of this utility model.

[0018] In the diagram: 1. Fixed side plate, 11. Slide groove, 12. Mounting hole, 13. Through hole, 14. Fixed base, 2. Scissor plate, 21. Slide rail, 22. Positioning hole, 3. Mounting column, 4. Mounting plate, 5. Spring, 6. Motor, 7. Eccentric plate, 8. Scissor plate, 9. Coil spring, 10. Fixed base. Detailed Implementation

[0019] To more clearly illustrate the technical solution of this utility model, the following description is made in conjunction with the accompanying drawings. Obviously, the drawings described below are only one embodiment of this utility model. For those skilled in the art, other embodiments can be obtained based on these drawings and embodiments without creative effort, and all of them fall within the protection scope of this utility model.

[0020] like Figures 1 to 4As shown, this utility model includes a fixed side plate 1, on the front side of which a scissor blade 2 is detachably and slidably mounted. A groove 11 is provided on the front side of the fixed side plate 1, and a slide rail 21 is provided on the rear side of the scissor blade 2. The slide rail 21 and the groove 11 are slidably fitted together. Several sets of mounting holes 12 are provided on the front side of the fixed side plate 1. Mounting posts 3 are slidably mounted inside the mounting holes 12. A mounting plate 4 is fixedly mounted on the rear side of the mounting posts 3. A spring 5 is fixedly mounted on the front side of the mounting plate 4. The spring 5 is located on the outside of the mounting posts 3, and its front side is fixedly connected to the fixed side plate 1. Several sets of positioning holes 22 are provided on the rear side of the scissor blade 2. The positioning holes 22 correspond one-to-one with the mounting holes 12, and the positioning holes 22 are fitted together with the mounting posts 3.

[0021] like Figure 1 As shown, the lower front part of the fixed side plate 1 is movably mounted with a scissor blade 8 via a coil spring 9. The lower front end of the fixed side plate 1 is provided with a through hole 13, in which the coil spring 9 is movably mounted. The lower end of the fixed side plate 1 is provided with a fixed base 14. The upper end of the fixed base 14 is fixedly mounted with a motor 6 via a fixed seat 10. An eccentric disk 7 is fixedly connected to the power output shaft of the motor 6. The lower end of the eccentric disk 7 is in contact with the scissor blade 8.

[0022] In use, the eccentric disk 7 is driven to rotate by starting the motor 6. Through the cooperation between the eccentric disk 7 and the moving blade 8, the moving blade 8 can repeatedly cut the weft thread. When it is necessary to replace the blade, the mounting disk 4 is pulled to the rear, so that the mounting post 3 is disengaged from the positioning hole 22. Then, the stationary blade 2 is slid out upward through the cooperation between the sliding groove 11 and the sliding rail 21. Then it can be replaced. The operation is relatively simple and can improve the replacement efficiency.

[0023] The above embodiments are merely exemplary embodiments of the present utility model and are not intended to limit the present utility model. The scope of protection of the present utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent substitutions to the present utility model within its substance and scope of protection, and such modifications or equivalent substitutions should also be considered to fall within the scope of protection of the present utility model.

Claims

1. An electronic cutting device for weft cutting of a loom, comprising a fixed side plate (1), characterized in that: The front side of the fixed side plate (1) is detachably slidably installed with a scissors static piece (2), the lower part of the front side of the fixed side plate (1) is movably installed with a scissors dynamic piece (8) through a coil spring (9), the lower end of the fixed side plate (1) is provided with a fixed base (14), the upper end of the fixed base (14) is fixedly installed with a motor (6) through a fixed seat (10), the power output shaft of the motor (6) is fixedly connected with an eccentric disc (7), and the lower end of the eccentric disc (7) is in contact with the scissors dynamic piece (8).

2. An electronic weft cutter device for looms according to claim 1, characterized in that, The lower end of the front side of the fixed side plate (1) is provided with a through hole (13), and the coil spring (9) is movably installed in the through hole (13).

3. An electronic weft cutter device for looms according to claim 1, characterized in that, The front side of the fixed side plate (1) is provided with a sliding groove (11), the rear side of the scissors static piece (2) is provided with a sliding rail (21), and the sliding rail (21) is slidably installed with the sliding groove (11).

4. An electronic weft cutter device for looms according to claim 3, characterized in that, The front side of the fixed side plate (1) is provided with a plurality of groups of installation holes (12), the installation holes (12) are slidably installed with installation columns (3) inside, the rear side of the installation column (3) is fixedly installed with an installation disc (4), the front side of the installation disc (4) is fixedly installed with a spring (5), the spring (5) is arranged outside the installation column (3), and the front side of the spring (5) is fixedly connected with the fixed side plate (1).

5. An electronic weft cutter device for looms according to claim 4, characterized in that, The rear side of the scissors static piece (2) is provided with a plurality of groups of positioning holes (22), and the positioning holes (22) are one-to-one correspondingly arranged with the installation holes (12).

6. An electronic weft cutter device for looms according to claim 5, characterized in that, The positioning holes (22) are installed in cooperation with the installation columns (3).