Marking knife device of air jet loom

Abstract

The utility model relates to the field of air jet looms, in particular to an air jet loom mincing knife device which comprises a mounting block and a connecting block, two sliding grooves are formed in the right side face of the mounting block, the inner wall of each sliding groove is slidably connected with a sliding block, and the bottom face of each sliding block is fixedly connected with the upper surface of the connecting block; when the mincing knife is worn and needs to be replaced after being used for a long time, a worm is rotated to enable a worm gear to rotate, the worm gear drives a bidirectional threaded rod to rotate, the bidirectional threaded rod is connected with square blocks to enable the two square blocks to retreat from the interior of a sliding block, and at the moment, a connecting block can be moved to enable the sliding block and the mincing knife body to move out of the interior of a mounting block; according to the mincing knife device, the mincing knife main body is detached, then a new mincing knife main body is placed in the mounting block through the sliding block, the square block and the sliding block can be connected by reversely rotating the worm, then the effect that the mincing knife main body is rapidly replaced through the mincing knife device is achieved, tedious operation steps can be omitted, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to air-jet loom technical field, concretely to a kind of air-jet loom chopping knife device. BACKGROUND

[0002] Air-jet loom is the shuttleless loom using jet air to drag weft yarn across shed, using air as weft-drawing medium, to drag weft yarn by the frictional drag of jet compressed air, to bring weft yarn across shed, to achieve weft-drawing by jet, which can make loom realize high speed and high yield.

[0003] Among several shuttleless looms, air-jet loom is the one with the highest speed, which has the advantages of reasonable weft-drawing method, high weft insertion rate, simple and safe operation, wide variety adaptability, low material consumption, high efficiency, high speed and low noise, and has become one of the most promising new looms.

[0004] However, it is found in the prior art that when cutting cloth, a chopping knife device needs to be used, but the existing chopping knife device has the problem that when in use, the chopping knife needs to be cut for a long time, which may be worn out, and at this time, the chopping knife needs to be replaced. The existing replacement method needs the operator to use tools to disassemble the bolts fixing the chopping knife one by one, which is complicated and inconvenient for replacing the chopping knife. To solve the problem of complicated operation steps for replacing the chopping knife in the prior art and the problem that the chopping knife cannot be quickly replaced, a worm and a worm wheel are arranged to rotate the bidirectional threaded rod through the worm wheel, so that the two square blocks lock the sliding block, achieving the effect of quickly installing and disassembling the chopping knife, which is convenient for the operator to save complicated operation steps and achieve the effect of quick replacement. Therefore, a new scheme needs to be proposed to solve this problem. SUMMARY

[0005] In view of the above background art, the prior art has the problems of needing the operator to use tools to disassemble the bolts fixing the chopping knife one by one, which is complicated and cannot quickly replace the chopping knife.

[0006] The utility model discloses a kind of air-jet loom chopping knife device, including mounting block and connecting block, the right side surface of the mounting block is equipped with two sliding grooves, the inner wall of each sliding groove is slidably connected with sliding block, the bottom surface of each sliding block is fixedly connected with the upper surface of connecting block, the bottom surface of the connecting block is fixedly connected with chopping knife main body, the inner wall of the mounting block is rotatably connected with bidirectional threaded rod, the outer surface of the bidirectional threaded rod is fixedly connected with worm wheel, the outer surface of the worm wheel is engaged with worm, the inside of the mounting block is equipped with two square grooves, the inner wall of each square groove is slidably connected with square block, the inner wall of each square block is threadedly connected with the outer surface of bidirectional threaded rod.

[0007] Further, the outer surface of the worm is rotationally connected with a limiting piece, the bottom surface of the limiting piece is fixedly connected with the upper surface of the mounting block, the upper surface of the mounting block is fixedly connected with a connecting plate, and the upper surface of the connecting plate is fixedly connected with two guide rods.

[0008] Further, an installation rack is arranged above the connecting plate, a threaded rack is fixedly connected to the upper surface of the installation rack, and a telescopic rod is fixedly arranged on the bottom surface of the threaded rack.

[0009] Further, the output end of the telescopic rod is fixedly connected with the upper surface of the connecting plate, the inner wall of the installation rack is fixedly connected with the outer surface of the telescopic rod, and the outer surface of each guide rod is slidingly connected with the inner wall of the installation rack.

[0010] Further, a placing table is arranged below the chopping knife body, a limiting rack is fixedly connected to the outer surface of the placing table, a motor is fixedly connected to the left side surface of the limiting rack, a screw rod is fixedly connected to the output shaft of the motor, and the outer surface of the screw rod is threadedly connected with the inner wall of the threaded rack.

[0011] Further, two cross rods are fixedly connected to the inner wall of the limiting rack, and a guide groove is arranged in the bottom surface of each cross rod.

[0012] Further, a guide block is slidingly connected to the inner wall of each guide groove, and the bottom surface of each guide block is fixedly connected with the upper surface of the threaded rack.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a quick replacement device for chopping knife body, which comprises a mounting block, a connecting plate is fixedly connected to the upper surface of the mounting block, a worm is rotationally connected to the outer surface of the connecting plate, a sliding block is fixedly connected to the outer surface of the worm, two square blocks are fixedly connected to the inner wall of the sliding block, a connecting block is fixedly connected to the bottom surface of each square block, and a chopping knife body is fixedly connected to the outer surface of the connecting block.

[0015] 2. The utility model discloses a through setting guide rod, telescopic link, screw frame, screw rod, crosspiece, guide block etc. part, through setting guide rod and mounting frame are connected, realize the spacing of connecting plate, guarantee telescopic link drive connecting plate to be able to keep stable when lifting, through motor drive screw rod rotation, and then make screw frame move, through setting guide block and guide groove are connected, guarantee the stability of screw frame when moving, and then realize the device can conveniently change the position of chopping knife main part. BRIEF DESCRIPTION OF DRAWINGS

[0016] 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 principles of the application. In the drawings:

[0017] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the front view structure schematic diagram of the utility model;

[0019] Figure 3 It is the connecting relationship structure schematic diagram between guide groove and guide block of the utility model;

[0020] Figure 4 It is the connecting relationship structure schematic diagram between worm and worm wheel of the utility model.

[0021] In the drawing: 1, mounting block;2, sliding slot;3, sliding block;4, connecting block;5, chopping knife main part;6, two-way threaded rod;7, worm wheel;8, worm;9, square block;10, square groove;11, limiting piece;12, connecting plate;13, guide rod;14, mounting frame;15, telescopic link;16, screw frame;17, spacing frame;18, placing table;19, motor;20, screw rod;21, crosspiece;22, guide groove;23, guide block. DETAILED DESCRIPTION

[0022] The following will disclose a plurality of embodiments of the utility model with the drawing, for the purpose of clear illustration, many details on the real object will be described in the following description. However, it should be appreciated that these details on the real object should not be used to limit the utility model. That is to say, in some embodiments of the utility model, these details on the real object are unnecessary. In addition, for the purpose of simplifying the drawing, some conventional structures and components will be drawn in a simple schematic way in the drawing.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4The utility model discloses a jet loom chopping knife device, including mounting block 1 and connecting block 4, the right side surface of mounting block 1 is equipped with two sliding slots 2, the right side surface of mounting block 1 is equipped with two sliding slots 2, realizes the positioning of sliding slot 2, the inner wall of every sliding slot 2 is slidably connected with sliding block 3, sliding block 3 is installed in the inner wall of sliding slot 2, is set as sliding connection, the contour of sliding slot 2 can realize the limiting effect of sliding block 3, the bottom surface of every sliding block 3 is fixedly connected with the upper surface of connecting block 4, connecting block 4 is connected with the bottom surface of sliding block 3, the bottom surface of connecting block 4 is fixedly connected with chopping knife main part 5, chopping knife main part 5 is installed in the bottom surface of connecting block 4, through moving sliding block 3, can realize the installation and disassembly effect of chopping knife main part 5.

[0024] As Figure 4 The inner wall of mounting block 1 is rotatably connected with a two-way threaded rod 6, the two-way threaded rod 6 is installed on the inner wall of the mounting block 1, and is rotatably connected, so as to limit the two-way threaded rod 6. The outer surface of the two-way threaded rod 6 is fixedly connected with a worm wheel 7, the worm wheel 7 is installed on the surface of the two-way threaded rod 6, and is fixedly connected, so as to realize the rotating effect of the two-way threaded rod 6 by rotating the worm wheel 7. The outer surface of the worm wheel 7 is meshed with a worm 8, the worm 8 is placed above the worm wheel 7, and the worm wheel 7 is connected with the worm 8, so as to realize the rotating effect of the worm wheel 7 by rotating the worm 8.

[0025] In the embodiment, two square grooves 10 are formed in the interior of the mounting block 1, the square grooves 10 are formed in the interior of the mounting block 1, and the positioning of the square grooves 10 is realized. The inner wall of each square groove 10 is slidably connected with a square block 9, the square block 9 is placed on the inner wall of the square groove 10, and is slidably connected, so as to realize the limiting effect of the square block 9 by the contour of the square groove 10. The inner wall of each square block 9 is threadedly connected with the outer surface of the two-way threaded rod 6, the two-way threaded rod 6 is connected with the square block 9, and is threadedly connected, so as to realize the relative movement effect of the square block 9 by rotating the two-way threaded rod 6, and further realize the connection of the square block 9 and the sliding block 3.

[0026] In a preferred embodiment, the outer surface of the worm 8 is rotatably connected with a limiting piece 11, the limiting piece 11 is connected with the worm 8, the bottom surface of the limiting piece 11 is fixedly connected with the upper surface of the mounting block 1, the mounting block 1 is connected with the bottom surface of the limiting piece 11, the installation of the limiting piece 11 is realized, and further the limiting of the worm 8 is realized. The upper surface of the mounting block 1 is fixedly connected with a connecting plate 12, the connecting plate 12 is installed on the upper surface of the mounting block 1, and is fixedly connected, so as to realize the installation of the connecting plate 12. The upper surface of the connecting plate 12 is fixedly connected with two guide rods 13, the guide rods 13 are installed on the upper surface of the connecting plate 12, and the positioning and installation effect of the guide rods 13 is realized.

[0027] Looking back Figure 4 The upper side of the connecting plate 12 is provided with a mounting rack 14, the upper surface of the mounting rack 14 is fixedly connected with a threaded rack 16, the mounting rack 14 is arranged above the connecting plate 12, and the threaded rack 16 is connected with the mounting rack 14, so that the positioning and mounting effect of the threaded rack 16 is realized. The bottom surface of the threaded rack 16 is fixedly installed with an extension rod 15, the extension rod 15 is installed on the bottom surface of the threaded rack 16, and the positioning and mounting effect of the extension rod 15 is realized.

[0028] In this embodiment, the output end of the extension rod 15 is fixedly connected with the upper surface of the connecting plate 12, the upper surface of the connecting plate 12 is connected with the output end of the extension rod 15, and the extension and shortening of the extension rod 15 can realize the lifting of the connecting plate 12. The extension rod 15 is electrically extended, which is stable and rapid. The inner wall of the mounting rack 14 is fixedly connected with the outer surface of the extension rod 15, the inner wall of the mounting rack 14 is connected with the surface of the extension rod 15, the extension rod 15 is limited, the outer surface of each guide rod 13 is slidingly connected with the inner wall of the mounting rack 14, the guide rod 13 is connected with the mounting rack 14, and the guide rod 13 is limited, so that the connecting plate 12 is limited.

[0029] Combined Figure 1 And Figure 3 The lower side of the chopping knife body 5 is provided with a placing table 18, the outer surface of the placing table 18 is fixedly connected with a limiting rack 17, the placing table 18 is arranged below the chopping knife body 5, and the limiting rack 17 is arranged on the surface of the placing table 18, so that the positioning and mounting effect of the limiting rack 17 is realized. The left side of the limiting rack 17 is fixedly connected with a motor 19, the motor 19 is installed on the left side of the limiting rack 17, and the positioning and mounting effect of the motor 19 is realized. The output shaft of the motor 19 is fixedly connected with a screw rod 20, the screw rod 20 is installed on the output shaft of the motor 19, and is fixedly connected. The rotation effect of the screw rod 20 can be realized by the motor 19. The outer surface of the screw rod 20 is threadedly connected with the inner wall of the threaded rack 16, the screw rod 20 is connected with the threaded rack 16, and the movement effect of the threaded rack 16 can be realized by the rotation of the screw rod 20.

[0030] In a preferred embodiment, the inner wall of the limiting rack 17 is fixedly connected with two cross rods 21, the cross rods 21 are installed on the inner wall of the limiting rack 17, and are fixedly connected, so that the positioning and mounting effect of the cross rods 21 is realized. The bottom surface of each cross rod 21 is provided with a guide groove 22, the guide groove 22 is arranged on the bottom surface of the corresponding cross rod 21, and the positioning of the guide groove 22 is realized.

[0031] In the embodiment, the inner wall of each guide groove 22 is slidably connected with a guide block 23. The guide block 23 is installed in the interior of the guide groove 22 and is arranged in a sliding connection. The guide block 23 is limited by the contour of the guide groove 22. The bottom surface of each guide block 23 is fixedly connected with the upper surface of the threaded frame 16. The bottom surface of the guide block 23 is connected with the threaded frame 16. The guide block 23 is limited by the guide groove 22, thereby limiting the threaded frame 16.

[0032] The principle of implementation is as follows: cloth is placed on the surface of the placing table 18. The threaded frame 16 is moved by the screw rod 20, thereby moving the telescopic rod 15. The mounting block 1 and the cutter body 5 are lowered by the telescopic rod 15, thereby cutting the cloth. When the cutter body 5 is worn out after long-term use and needs to be replaced, the worm 8 is rotated to rotate the worm wheel 7. The worm wheel 7 drives the bidirectional threaded rod 6 to rotate. The two square blocks 9 are withdrawn from the interior of the sliding block 3 through the connection of the bidirectional threaded rod 6 and the square block 9. At this time, the connecting block 4 is moved to move the sliding block 3 and the cutter body 5 out of the interior of the mounting block 1. Then, the new cutter body 5 is placed in the interior of the mounting block 1 through the sliding block 3. The square block 9 is connected with the sliding block 3 by reversing the worm 8, thereby realizing the quick replacement of the cutter body 5 by the device.

[0033] The above only describes the embodiments of the present application and is not used to limit the present application. The present application can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A cutting device for a jet loom, comprising a mounting block (1) and a connecting block (4), characterized in that: The mounting block (1) has two sliding grooves (2) on its right side. Each sliding groove (2) has a sliding block (3) slidably connected to its inner wall. The bottom surface of each sliding block (3) is fixedly connected to the upper surface of the connecting block (4). The bottom surface of the connecting block (4) is fixedly connected to the chopper body (5). The inner wall of the mounting block (1) is rotatably connected to a bidirectional threaded rod (6). The outer surface of the bidirectional threaded rod (6) is fixedly connected to a worm gear (7). The outer surface of the worm gear (7) is meshed with a worm (8). The mounting block (1) has two square grooves (10) inside. Each square groove (10) has a square block (9) slidably connected to its inner wall. The inner wall of each square block (9) is threadedly connected to the outer surface of the bidirectional threaded rod (6).

2. The blade-cutting device for a jet loom according to claim 1, characterized in that: The outer surface of the worm (8) is rotatably connected to a limiting member (11), the bottom surface of the limiting member (11) is fixedly connected to the upper surface of the mounting block (1), the upper surface of the mounting block (1) is fixedly connected to a connecting plate (12), and the upper surface of the connecting plate (12) is fixedly connected to two guide rods (13).

3. The blade-cutting device for a jet loom according to claim 2, characterized in that: A mounting bracket (14) is provided above the connecting plate (12). A threaded bracket (16) is fixedly connected to the upper surface of the mounting bracket (14), and a telescopic rod (15) is fixedly installed on the bottom surface of the threaded bracket (16).

4. The blade-cutting device for a jet loom according to claim 3, characterized in that: The output end of the telescopic rod (15) is fixedly connected to the upper surface of the connecting plate (12), the inner wall of the mounting frame (14) is fixedly connected to the outer surface of the telescopic rod (15), and the outer surface of each guide rod (13) is slidably connected to the inner wall of the mounting frame (14).

5. The blade-cutting device for a jet loom according to claim 3, characterized in that: The chopper body (5) is provided with a placement platform (18) below it. A limit frame (17) is fixedly connected to the outer surface of the placement platform (18). A motor (19) is fixedly connected to the left side of the limit frame (17). A screw (20) is fixedly connected to the output shaft of the motor (19). The outer surface of the screw (20) is threadedly connected to the inner wall of the threaded frame (16).

6. The blade-cutting device for a jet loom according to claim 5, characterized in that: The inner wall of the limiting frame (17) is fixedly connected to two crossbars (21), and each crossbar (21) has a guide groove (22) on its bottom surface.

7. The blade-cutting device for an air-jet loom according to claim 6, characterized in that: Each of the guide grooves (22) has a guide block (23) slidably connected to its inner wall, and the bottom surface of each guide block (23) is fixedly connected to the upper surface of the threaded frame (16).

Images