Central framing scissor rest of air jet loom

Abstract

The utility model relates to a central framing scissor rest of an air jet loom, which comprises a connecting arm, a knife rest and a plurality of fixing pieces, the connecting arm is fixed on a cross beam of the air jet loom, the knife rest is connected with the connecting arm, and the knife rest can rotate along the horizontal direction perpendicular to the connecting arm or is positioned at a position relatively fixed with the connecting arm. The multiple fixing pieces are arranged in the rotating circumferential direction of the knife rest, the multiple fixing pieces are detachably connected with the knife rest, clamping gaps used for clamping the cutting knives can be formed between the multiple fixing pieces and the knife rest, and any cutting knife can abut against a product through rotation of the knife rest; when the cutting knife is damaged, only the knife rest needs to be rotated, the other fixing pieces are moved to the position of the original lowest fixing piece, the position of the knife rest relative to the connecting arm is fixed, and the cutting knife is clamped between the lowest fixing piece and the knife rest. The cutting knife clamped by the fixing piece and the knife rest replaces a damaged cutting knife to work, and the cutting knife is replaced in time without influencing production.

Description

Technical Field

[0001] The utility model relates to the technical field of textiles, in particular to a central scissor blade holder of an air jet loom. Background Art

[0002] When producing double-width or multi-width products, the weft yarns need to be cut and separated from the middle or other parts of the cloth during the weaving process.

[0003] For example, the utility model patent with application number CN202223159820.4 proposes a partitioning and cutting device for an air jet loom, in which a knife holder is detachably connected to the cloth stretching rod, so that the cloth stretching rod is divided into two partitioning areas by the knife holder. The cutting tool is connected to the knife holder via a connecting piece and extends to the front side of the fabric winding to achieve cutting of the fabric to be partitioned output to the cloth stretching rod, so that the partitioned fabric can be output through two partitioning areas respectively. In the case that the existing wide-width air jet loom does not involve the structure of cutting the weft yarn from the middle of the cloth, when producing double-width products, the weft yarn can be cut from the middle of the cloth during the weaving process.

[0004] However, the cutting blade may be damaged, and the process of equipping and replacing the cutting blade may affect production. Utility Model Content

[0005] In view of this, it is necessary to provide a central scissor blade holder for an air jet loom to solve the problem that the cutting blade is damaged and the process of equipping and replacing the cutting blade will affect production.

[0006] The utility model provides a central-partitioned scissors tool holder of an air jet loom, comprising a connecting arm, a tool holder and a plurality of fixing plates, wherein the connecting arm is fixed on a crossbeam of the air jet loom, the tool holder is connected to the connecting arm, the tool holder can rotate along a horizontal direction perpendicular to the connecting arm or be located at a relatively fixed position with respect to the connecting arm, a plurality of fixing plates are arranged along the rotating circumference of the tool holder, a plurality of fixing plates are detachably connected to the tool holder, a clamping gap for clamping a cutting knife can be formed between the plurality of fixing plates and the tool holder, and any cutting knife can be brought into contact with a product through the rotation of the tool holder.

[0007] Furthermore, the connecting arm includes a fixed rod and an adjusting rod, one end of the fixed rod is fixedly connected to the crossbeam of the jet loom, the other end of the fixed rod is rotatably connected to one end of the adjusting rod, and the other end of the adjusting rod is rotatably connected to the tool holder.

[0008] Furthermore, the fixing rod extends in an inclined downward direction.

[0009] Furthermore, it also includes a connecting screw and a connecting nut, wherein the connecting screw passes through the adjusting rod and the fixing rod in sequence and is connected to the connecting nut.

[0010] Furthermore, the tool holder is cross-shaped, and the number of the fixing plates is four, and the four fixing plates are respectively arranged on the four strip structures of the tool holder.

[0011] Furthermore, it also includes a plurality of fixing screws, which correspond to the plurality of fixing plates one by one, and the fixing screws pass through the corresponding fixing plates and are threadedly connected to the threaded holes provided on the tool holder.

[0012] Furthermore, the tool holder is rotatably connected to the connecting arm via a rotating shaft.

[0013] Furthermore, it also includes a locking piece, which is installed on the tool holder, and the locking end of the locking piece is detachably connected to the connecting arm. When the locking end of the locking piece is connected to the connecting arm, it is used to fix the tool holder at the current position.

[0014] Furthermore, the locking member includes a latch pin, and the tool holder is provided with through holes corresponding to a plurality of fixing plates along its circumferential direction, and the latch pin passes through one of the through holes and extends to a socket formed on the connecting arm.

[0015] Furthermore, it also includes an adjusting screw and an adjusting nut, wherein the free end of the adjusting screw passes through the tool holder and the connecting arm and is connected to the adjusting nut.

[0016] Compared with the prior art, the cutting knife clamped between the lowest fixing plate and the knife holder is used for cutting fabric. When the cutting knife is damaged, it is only necessary to rotate the knife holder to move other fixing plates to the position of the original lowest fixing plate, and fix the position of the knife holder relative to the connecting arm. The cutting knife clamped by the fixing plate and the knife holder can replace the damaged cutting knife, and timely replacement will not affect production. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure of the central scissors blade holder of an air jet loom provided by an embodiment of the utility model;

[0018] Figure 2 The central scissors knife frame of the air jet loom provided by the embodiment of the utility model Figure 1 Enlarged schematic diagram of part A in the middle. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0020] like Figure 1-2 As shown, the utility model provides a central-partitioned scissors tool holder for an air jet loom, comprising a connecting arm 100, a tool holder 200 and a plurality of fixing plates 300. The connecting arm 100 is fixed on a crossbeam M of the air jet loom, the tool holder 200 is connected to the connecting arm 100, the tool holder 200 can rotate in a horizontal direction perpendicular to the connecting arm 100 or be in a relatively fixed position with respect to the connecting arm 100, a plurality of fixing plates 300 are arranged along the rotation circumference of the tool holder 200, a plurality of fixing plates 300 are detachably connected to the tool holder 200, a clamping gap for clamping a cutting knife can be formed between the plurality of fixing plates 300 and the tool holder 200, and any cutting knife can be brought into contact with the product through the rotation of the tool holder 200.

[0021] During implementation, the cutting knife clamped between the lowest fixing plate 300 and the knife holder 200 is used to cut fabric. When the cutting knife is damaged, it is only necessary to rotate the knife holder 200 to move the other fixing plates 300 to the position of the original lowest fixing plate 300, and fix the position of the knife holder 200 relative to the connecting arm 100. The cutting knife clamped by the fixing plate 300 and the knife holder 200 can replace the damaged cutting knife, and timely replacement will not affect production.

[0022] In this embodiment, the connecting arm 100 is fixed on the crossbeam M of the air jet loom, and is used to extend the knife holder 200 connected thereto to the cutting surface of the fabric.

[0023] In one embodiment, the connecting arm 100 includes a fixed rod 110 and an adjusting rod 120, one end of the fixed rod 110 is fixedly connected to the crossbeam M of the jet loom, the other end of the fixed rod 110 is rotatably connected to one end of the adjusting rod 120, and the other end of the adjusting rod 120 is rotatably connected to the tool holder 200.

[0024] The fixing rod 110 extends in an inclined downward direction, and the inclination angle of the fixing rod 110 is not limited. The angle between the fixing rod 110 and the vertical direction in the embodiment of the utility model is 75 degrees.

[0025] The device further comprises a connecting screw and a connecting nut, wherein the connecting screw passes through the adjusting rod 120 and the fixing rod 110 in sequence and is connected to the connecting nut. After loosening the connecting screw and adjusting the angle of the adjusting rod 120 relative to the fixing rod 110, the connecting screw can be tightened.

[0026] The knife holder 200 in this embodiment is connected to the connecting arm 100, and the knife holder 200 can rotate in a horizontal direction perpendicular to the connecting arm 100 or be in a relatively fixed position relative to the connecting arm 100. A plurality of fixing plates 300 are matched thereon to clamp a plurality of blades.

[0027] In one embodiment, the tool holder 200 is cross-shaped, and the number of the fixing plates 300 is four. The four fixing plates 300 are respectively disposed on four strip structures of the tool holder 200 .

[0028] Of course, in other embodiments, the tool holder 200 may also be in other shapes such as a disc, and the number of the fixing plates 300 is not limited.

[0029] In one embodiment, a plurality of fixing screws are further included, and the plurality of fixing screws correspond to the plurality of fixing plates 300 one by one. The fixing screws pass through the corresponding fixing plates 300 and are threadedly connected with the threaded holes provided on the tool holder 200 .

[0030] In order to realize that the tool holder 200 can rotate in a horizontal direction perpendicular to the connecting arm 100 or be in a relatively fixed position with respect to the connecting arm 100. In one embodiment, the tool holder 200 is rotatably connected to the connecting arm 100 via a rotating shaft 210. It also includes a locking member, which is mounted on the tool holder 200, and the locking end of the locking member is detachably connected to the connecting arm 100, and when the locking end of the locking member is connected to the connecting arm 100, it is used to fix the tool holder 200 at the current position. Among them, the locking member includes a latch 220, and a through hole 230 corresponding to a plurality of fixing plates 300 is formed on the tool holder 200 along its circumferential direction, and the latch 220 passes through one of the through holes 230 and extends to the socket opened on the connecting arm 100.

[0031] In another embodiment, an adjusting screw and an adjusting nut are further included, and a free end of the adjusting screw passes through the tool holder 200 and the connecting arm 100 and is connected to the adjusting nut.

[0032] It is understandable that the cutting knife may be a blade or electric scissors, etc., which can be used to cut the fabric from a specific position to achieve the purpose of slicing.

[0033] Compared with the prior art: the cutting knife clamped between the bottom fixing plate 300 and the knife holder 200 is used for cutting fabrics. When the cutting knife is damaged, it is only necessary to rotate the knife holder 200 to move the other fixing plates 300 to the position of the original bottom fixing plate 300, and fix the position of the knife holder 200 relative to the connecting arm 100. The cutting knife clamped by the fixing plate 300 and the knife holder 200 can replace the damaged cutting knife, and the replacement can be timely without affecting the production.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A central scissors blade holder for an air jet loom, characterized in that: It includes a connecting arm, a tool holder and a plurality of fixing plates; The connecting arm is fixed on the crossbeam of the air jet loom; The tool holder is connected to the connecting arm, and the tool holder can rotate in a horizontal direction perpendicular to the connecting arm or be in a fixed position relative to the connecting arm; The plurality of fixing plates are arranged along the rotation circumference of the tool holder, and the plurality of fixing plates are detachably connected to the tool holder. A clamping gap for clamping a cutting knife can be formed between the plurality of fixing plates and the tool holder, and any cutting knife can be brought into contact with the product through the rotation of the tool holder.

2. The central scissors blade holder of the air jet loom according to claim 1, characterized in that: The connecting arm includes a fixed rod and an adjusting rod, one end of the fixed rod is fixedly connected to the crossbeam of the air jet loom, the other end of the fixed rod is rotatably connected to one end of the adjusting rod, and the other end of the adjusting rod is rotatably connected to the tool holder.

3. The central scissors blade holder of the air jet loom according to claim 2, characterized in that: The fixing rod extends in an obliquely downward direction.

4. The central scissors blade holder of the air jet loom according to claim 2, characterized in that: It also includes a connecting screw and a connecting nut, wherein the connecting screw passes through the adjusting rod and the fixing rod in sequence and is connected to the connecting nut.

5. The central scissors blade holder of the air jet loom according to claim 1, characterized in that: The tool holder is cross-shaped, and the number of the fixing plates is four, and the four fixing plates are respectively arranged on the four strip structures of the tool holder.

6. The central scissors blade holder of the air jet loom according to claim 1, characterized in that: It also includes a plurality of fixing screws, which correspond to the plurality of fixing plates one by one, and the fixing screws pass through the corresponding fixing plates and are threadedly connected with the threaded holes provided on the tool holder.

7. The central scissors blade holder of the air jet loom according to claim 1, characterized in that: The tool holder is rotatably connected to the connecting arm via a rotating shaft.

8. The central scissors blade holder of the air jet loom according to claim 7, characterized in that: It also includes a locking piece, which is installed on the tool holder. The locking end of the locking piece is detachably connected to the connecting arm. When the locking end of the locking piece is connected to the connecting arm, it is used to fix the tool holder at the current position.

9. The central scissors blade holder of the air jet loom according to claim 8, characterized in that: The locking member comprises a latch pin, and through holes corresponding to a plurality of fixing plates are formed on the tool holder along its circumferential direction, and the latch pin passes through one of the through holes and extends to the insertion hole formed on the connecting arm.

10. The central scissors blade holder of the air jet loom according to claim 1, characterized in that: It also includes an adjusting screw and an adjusting nut. The free end of the adjusting screw passes through the tool holder and the connecting arm and is connected to the adjusting nut.

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