Stroke-adjustable grass yarn cutting device for artificial lawn warp knitting machine

Abstract

The utility model discloses a grass yarn cutting device with an adjustable stroke for an artificial lawn warp knitting machine. The grass yarn cutting device comprises a pile cutting hook, a bush-hook seat, a bush-hook bed, a cutting knife, a cutting knife seat, a cutting knife bed and a supporting table. The cutting knife is installed on the cutting knife seat, the cutting knife seat is installed on the cutting knife bed, the cutting knife bed is installed on the supporting table in a sliding mode, the bearing seat is installed at the rear end of the supporting table, the cutting knife swing arm shaft is installed on the bearing seat in a rotating mode, and the servo motor is installed on the bearing seat. The lower end of the cutting knife swing arm is fixedly connected with the cutting knife swing arm shaft, the upper end of the cutting knife swing arm is rotationally connected with the rear end of the first connecting rod, the front end of the first connecting rod is rotationally connected with the rear end of the second connecting rod, and the front end of the second connecting rod is fixedly connected with the rear end of the cutting knife bed. The cutting knife swing arm shaft is driven by the servo motor to swing. The grass cutting machine can cut grass threads with different heights without replacing equipment, and is high in production efficiency.

Description

Technical Field

[0001] The utility model relates to a warp knitting machine for producing artificial turf, in particular to a grass wire cutting device used on the artificial turf warp knitting machine, belonging to the technical field of textile equipment. Background Art

[0002] The grass cutting device used on the existing artificial turf warp knitting machine, such as Chinese utility model patent ZL201920734689.9, is named as a structure disclosed in a lawn weaving device based on a single needle bed warp knitting machine, which includes a loop forming mechanism, a comb mechanism and a grass yarn forming mechanism, the loop forming mechanism includes a latch needle and a sinker; the comb mechanism includes at least one loop forming comb bar and at least one weft insertion comb bar and a grass yarn pad comb bar; the grass yarn forming mechanism includes a grass yarn positioning needle, and a blade that can move toward or away from the grass yarn positioning needle, and the grass yarn positioning needle is arranged opposite to the latch needle. The grass silk forming mechanism includes a base, a slide plate is slidably arranged on the base, the blade is slidably mounted on the slide plate through a mounting frame, the grass silk positioning needle is fixedly mounted on the slide plate, a blade driving assembly is mounted on the base, the blade driving assembly includes a motor mounted on the slide plate, and a cam connected to the motor output shaft, the motor and the cam are arranged on a side of the mounting frame away from the grass silk positioning needle, and the cam is opposite to the mounting frame.

[0003] The existing grass cutting device has the following two disadvantages in actual operation: (1) the cutting device can only cut grass of one height, the cutting height is single and the application range is small; (2) when it is necessary to cut grass of different heights, the entire cutting device must be moved or replaced, which is time-consuming and labor-intensive, and reduces production efficiency. Summary of the invention

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a grass cutting device for an artificial turf warp knitting machine which can cut grass strands of different heights, has a wide range of applications, is simple in structure, has high production efficiency and can be adjusted in stroke.

[0005] In order to solve the above technical problems, the utility model adopts such a grass wire cutting device for an artificial turf warp knitting machine with adjustable stroke, comprising a velvet cutting hook, a hook knife seat, a hook knife bed, a cutting knife, a cutting knife seat, a cutting knife bed and a supporting platform; the velvet cutting hook is mounted on the hook knife seat, the hook knife seat is mounted on the hook knife bed, the hook knife bed is mounted on the front end of the supporting platform, the cutting knife is mounted on the cutting knife seat, the cutting knife seat is mounted on the cutting knife bed, the cutting knife bed is slidably mounted on the supporting platform, and also comprises a cutting knife swing arm, a first connecting rod, a second connecting rod, a cutting knife swing arm shaft, a bearing seat and a servo motor, the bearing seat is mounted on the rear end of the supporting platform, the cutting knife swing arm shaft is rotatably mounted on the bearing seat, the lower end of the cutting knife swing arm is fixedly connected to the cutting knife swing arm shaft, the upper end of the cutting knife swing arm is rotatably connected to the rear end of the first connecting rod, the front end of the first connecting rod is rotatably connected to the rear end of the second connecting rod, the front end of the second connecting rod is fixedly connected to the rear end of the cutting knife bed, and the cutting knife swing arm shaft is driven to swing by the servo motor.

[0006] As a preferred embodiment of the utility model, a plurality of through holes are opened at the upper end of the cutter swing arm, and the plurality of through holes are arranged in parallel and at intervals along the length direction of the cutter swing arm.

[0007] As a preferred embodiment of the utility model, a first guide rail is provided on the upper surface of the support platform, and a first slider is provided on the bottom surface of the cutter bed, and the first slider is slidably matched with the first guide rail.

[0008] As a preferred embodiment of the utility model, it also includes a support platform mounting seat, a second guide rail is provided on the upper end surface of the support platform mounting seat, a second slider is provided on the bottom surface of the support platform, the second slider is slidably matched with the second guide rail, and the support platform mounting seat is installed on the warp knitting machine frame.

[0009] After adopting the above structure, the utility model has the following beneficial effects:

[0010] When the grass cutting device of the utility model is working, according to the height of the grass to be cut, a servo motor is used to change the swing angle of the cutter swing arm shaft and the cutter swing arm, and the movement of the first connecting rod and the second connecting rod is used to change the range of the cutter's forward and backward movement, so as to achieve the purpose of cutting grass of different heights. The utility model does not need to move or replace the entire set of cutting devices, but only changes the range of the cutter's movement, so that grass of different heights can be cut. It has a wide range of uses, a simple structure, and greatly improves production efficiency.

[0011] The utility model has a plurality of through holes on the upper end of the cutter swing arm, and the plurality of through holes are arranged in parallel and at intervals along the length direction of the cutter swing arm. With such a structure, the rear end of the first connecting rod can be rotatably connected to the upper end of the cutter swing arm through any through hole, and by changing the rotational connection position between the upper end of the cutter swing arm and the rear end of the first connecting rod, the range of the cutter movement can be changed and expanded, further meeting the requirements for cutting different grass heights.

[0012] The utility model provides a support platform mounting seat, a second guide rail is provided on the upper end surface of the support platform mounting seat, and a second slider is provided on the bottom surface of the support platform. The second slider is slidably matched with the second guide rail. After adopting such a structure, the position of the support platform can be changed by sliding the support platform back and forth, thereby further meeting the requirements for cutting different grass wire heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings.

[0014] Figure 1 The utility model is a structural schematic diagram of a grass cutting device for an artificial turf warp knitting machine with adjustable stroke.

[0015] Figure 2 The utility model is a schematic diagram of a connection structure of the cutter swing arm, the first connecting rod, the second connecting rod, the cutter swing arm shaft, and the bearing seat, and the servo motor is not shown in the figure.

[0016] Figure 3 The utility model is a schematic diagram of an installation structure of the cutting knife and the cutting knife seat. DETAILED DESCRIPTION

[0017] See also Figures 1 to 3The grass cutting device for an artificial turf warp knitting machine with adjustable stroke shown in the figure comprises a pile cutting hook 1, a hook knife seat 2, a hook knife bed 3, a cutting knife 4, a cutting knife seat 5, a cutting knife bed 6 and a supporting platform 7; the pile cutting hook 1 is in the form of a sheet, the hook knife seat 2 is in the form of a rectangular parallelepiped and has a plurality of grooves thereon, the pile cutting hook 1 is tightly fitted and embedded in the groove and thus fixedly mounted on the hook knife seat 2, the hook knife seat 2 is fixedly mounted on the hook knife bed 3 by bolts, the hook knife bed 3 is fixedly mounted on the front end of the supporting platform 7 by bolts, the cutting knife 4 is in the form of a rectangular sheet structure, the cutting knife seat 5 is in the form of a rectangular parallelepiped and has a plurality of grooves 5a thereon, the cutting knife 4 is fixedly mounted on the cutting knife seat 5 by being tightly fitted in the groove 5a or being fastened in the groove 5a by conventional structures such as a pressure plate, the cutting knife seat 5 is fixedly mounted on the cutting knife bed 6 by bolts or other conventional structures, and the cutting knife bed 6 is slidably mounted The support platform 7 also includes a cutter swing arm 8, a first connecting rod 9, a second connecting rod 10, a cutter swing arm shaft 11, a bearing seat 12 and a servo motor. The bearing seat 12 is installed at the rear end of the support platform 7 by bolts, and the cutter swing arm shaft 11 is rotatably installed on the bearing seat 12. The lower end of the cutter swing arm 8 is fixedly connected to the cutter swing arm shaft 11 by structures such as half and bolts. The upper end of the cutter swing arm 8 is rotatably connected to the rear end of the first connecting rod 9 by a pin and a bearing. The front end of the first connecting rod 9 is rotatably connected to the rear end of the second connecting rod 10 by a pin and a bearing. The front end of the second connecting rod 10 is fixedly connected to the rear end of the cutter bed 6 by bolts. The cutter swing arm shaft 11 is driven to swing by the servo motor. The servo motor is not shown in the figure. In the utility model, the cutter swing arm shaft 11 can be directly driven to swing by the output shaft of the servo motor, and can also be driven to swing by a transmission mechanism such as a synchronous belt transmission mechanism.

[0018] As a preferred embodiment of the present invention, Figure 1 , 2 As shown, a plurality of through holes 8a are provided at the upper end of the cutter swing arm 8, and the plurality of through holes 8a are arranged in parallel and at intervals along the length direction of the cutter swing arm 8. With such a structure, the rear end of the first connecting rod 9 can be rotatably connected to the upper end of the cutter swing arm 8 through any through hole 8a, and the rotational connection position between the upper end of the cutter swing arm 8 and the rear end of the first connecting rod 9 is changed, thereby changing and expanding the range of motion of the cutter 4.

[0019] As a preferred embodiment of the present invention, Figure 1 As shown, a first guide rail 7a is fixedly provided on the upper end surface of the support platform 7, and a first slider 6a is fixedly provided on the bottom surface of the cutter bed 6. The first slider 6a is slidably matched with the first guide rail 7a. When working, the cutter 4 slides on the first guide rail 7a through the first slider 6a to achieve forward and backward movement.

[0020] As a preferred embodiment of the present invention, Figure 1 As shown, it also includes a support platform mounting seat 13, a second guide rail 13a is fixedly provided on the upper end surface of the support platform mounting seat 13, a second slider 7b is fixedly provided on the bottom surface of the support platform 7, the second slider 7b is slidably matched with the second guide rail 13a, and the support platform mounting seat 13 is fixedly installed on the warp knitting machine frame by bolts. After adopting such a structure, the position of the support platform 7 is changed by sliding the support platform 7 forward and backward, further meeting the requirements for cutting different grass silk heights.

[0021] When the utility model is working, according to the height of the grass to be cut, the servo motor is used to change the swing angle of the cutter swing arm shaft 11 and the cutter swing arm 8, and the movement of the first connecting rod 9 and the second connecting rod 10 is changed to change the range of the forward and backward movement of the cutter 4, so as to achieve the purpose of cutting grass of different heights.

[0022] After trial, the utility model can well cut grass wires of different heights without changing equipment, and has a simple structure and high production efficiency, and has achieved good practical effects.

Claims

1. A grass cutting device for an artificial turf warp knitting machine with adjustable stroke, comprising a pile cutting hook (1), a hook knife seat (2), a hook knife bed (3), a cutting knife (4), a cutting knife seat (5), a cutting knife bed (6) and a supporting platform (7); the pile cutting hook (1) is mounted on the hook knife seat (2), the hook knife seat (2) is mounted on the hook knife bed (3), the hook knife bed (3) is mounted at the front end of the supporting platform (7), the cutting knife (4) is mounted on the cutting knife seat (5), the cutting knife seat (5) is mounted on the cutting knife bed (6), and the cutting knife bed (6) is slidably mounted on the supporting platform (7), characterized in that: It also comprises a cutter swing arm (8), a first connecting rod (9), a second connecting rod (10), a cutter swing arm shaft (11), a bearing seat (12) and a servo motor, wherein the bearing seat (12) is mounted on the rear end of the support platform (7), the cutter swing arm shaft (11) is rotatably mounted on the bearing seat (12), the lower end of the cutter swing arm (8) is fixedly connected to the cutter swing arm shaft (11), the upper end of the cutter swing arm (8) is rotatably connected to the rear end of the first connecting rod (9), the front end of the first connecting rod (9) is rotatably connected to the rear end of the second connecting rod (10), the front end of the second connecting rod (10) is fixedly connected to the rear end of the cutter bed (6), and the cutter swing arm shaft (11) is driven to swing by the servo motor.

2. The grass cutting device for an artificial turf warp knitting machine with adjustable stroke according to claim 1, characterized in that: A plurality of through holes (8a) are provided at the upper end of the cutter swing arm (8), and the plurality of through holes (8a) are arranged in parallel and at intervals along the length direction of the cutter swing arm (8).

3. The grass cutting device for an artificial turf warp knitting machine with adjustable stroke according to claim 1, characterized in that: A first guide rail (7a) is provided on the upper end surface of the support platform (7), and a first slider (6a) is provided on the bottom surface of the cutter bed (6). The first slider (6a) is slidably matched with the first guide rail (7a).

4. The grass cutting device for an artificial turf warp knitting machine with adjustable stroke according to claim 1, 2 or 3, characterized in that: It also comprises a support platform mounting seat (13), a second guide rail (13a) is provided on the upper end surface of the support platform mounting seat (13), a second slider (7b) is provided on the bottom surface of the support platform (7), the second slider (7b) is slidably matched with the second guide rail (13a), and the support platform mounting seat (13) is mounted on a warp knitting machine frame.

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