Grass yarn cutting device of artificial lawn warp knitting machine

Abstract

The utility model discloses a grass yarn cutting device of an artificial lawn warp knitting machine. The grass yarn cutting device comprises a velvet 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 bed is installed on the supporting table in a sliding mode, the cutting knife bed is driven by the driving mechanism to move front and back, a swallow-tail-shaped protruding block is arranged at the bottom of the cutting knife seat, the cutting knife bed is composed of a bottom plate, a cutting knife installation plate and a wedge block with an inclined face, a wedge groove is formed in the front side of the top face of the cutting knife installation plate, and the wedge groove is matched with the wedge block in shape. A plurality of grooves which are arranged in parallel at intervals in the length direction are formed in the rear side of the top face of the cutting knife installation plate, the wedge blocks are detachably installed in the wedge grooves through bolts, swallow-tail-shaped groove structures are formed between the inclined faces of the wedge blocks and the grooves, and the protruding blocks of the cutting knife seat are arranged in the grooves and fixed to the cutting knife installation plate in a pressed mode through the pressing plate. And the bottom plate is detachably connected with the cutting knife mounting plate through bolts. The cutting knife bed is simple in structure, easy and convenient to machine and low in manufacturing cost.

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 in the existing artificial turf warp knitting machine, such as the Chinese utility model patent ZL202022669591.5, is named as a structure disclosed in a one-time formed 3D warp knitting lawn machine, which includes a bed, and a plurality of legs are arranged under the bed; the middle section of the bed is provided with a weaving device, a yarn cutting device and a fabric pulling device, the yarn cutting device is arranged on the side of the weaving device, and the fabric pulling device is fixed under the yarn cutting device; a tension control device is fixed above the weaving device, and the tension control device is connected to the weaving device; it also includes a roller warp feeding device, and the roller warp feeding device is located at the top of the bed; the side of the bed is also provided with a fabric winding device. The yarn cutting device includes a transmission end and a cutting knife, and the cutting knife is fixed on one side of the transmission end, facing the weaving device. The existing cutting device has the following disadvantages in actual work: since the cutter bed used to install the cutting knife and the cutter seat is an integral structure, the cutter bed is difficult to process and has a high manufacturing cost. Moreover, when a part of the cutter bed is damaged, the cutter bed needs to be replaced as a whole, which greatly increases the production cost of the warp knitting machine. In addition, the operation of installing the cutter seat on the cutter bed is also very inconvenient, time-consuming and labor-intensive, and reduces production efficiency. Summary of the invention

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a grass wire cutting device for an artificial turf warp knitting machine which has the advantages of easy processing of a cutting blade bed, low manufacturing cost, simple structure, easy operation and high production efficiency.

[0004] In order to solve the above technical problems, the utility model adopts such a grass wire cutting device of an artificial turf warp knitting machine, including a pile 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 pile cutting hook is installed on the hook knife seat, the hook knife seat is installed on the hook knife bed, the hook knife bed is installed on the front end of the supporting platform, 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 slidably installed on the supporting platform, the cutting knife bed is driven by a driving mechanism to move forward and backward, and a dovetail-shaped protrusion is provided at the bottom of the cutting knife seat. The cutting knife bed is composed of a rectangular bottom plate, a cutting knife mounting plate and a wedge block with an inclined surface. A wedge groove is provided on the front side of the top surface of the cutting knife mounting plate, and the wedge groove is adapted to the shape of the wedge block. A plurality of grooves spaced apart and arranged in parallel along the length direction are provided on the rear side of the top surface of the cutting knife mounting plate. The wedge block is detachably mounted in the wedge groove by bolts, and a dovetail groove structure is formed between the inclined surface of the wedge block and the groove. The protrusion of the cutting knife seat is placed in the groove and is fixed to the cutting knife mounting plate by a pressure plate. The bottom plate is detachably connected to the cutting knife mounting plate by bolts.

[0005] As a preferred embodiment of the utility model, a first guide rail is provided on the front side of the upper end face of the support platform, and a first slider is provided on the bottom surface of the base plate, and the first slider is slidably matched with the first guide rail.

[0006] As a preferred embodiment of the utility model, the driving mechanism includes an eccentric wheel, an eccentric sleeve, a connecting rod, a rotating shaft, a bearing seat and a servo motor. The bearing seat is fixedly mounted on the rear side of the upper end surface of the support platform, the rotating shaft is rotatably mounted on the bearing seat, the eccentric wheel is fixedly mounted on the rotating shaft, the rear end of the eccentric sleeve is sleeved on the eccentric wheel, the front end of the eccentric sleeve is rotatably connected to the rear end of the connecting rod, the front end of the connecting rod is fixedly connected to the rear end of the base plate, and the rotating shaft is driven to rotate by the servo motor.

[0007] As a preferred embodiment of the utility model, the grass wire cutting device 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.

[0008] After adopting the above structure, the utility model has the following beneficial effects:

[0009] The utility model comprises a bottom plate of a rectangular parallelepiped, a cutting knife mounting plate and a wedge block with an inclined surface, a wedge groove is provided on the front side of the top surface of the cutting knife mounting plate, the wedge groove is adapted to the shape of the wedge block, a plurality of grooves spaced and arranged in parallel along the length direction are provided on the rear side of the top surface of the cutting knife mounting plate, the wedge block is detachably mounted in the wedge groove by bolts, and a dovetail groove structure is formed between the inclined surface of the wedge block and the groove, the convex block of the cutting knife seat is placed in the groove and is fixed on the cutting knife mounting plate by a pressing plate, and the bottom plate is detachably connected to the cutting knife mounting plate by bolts. Since the utility model cutting knife bed comprises a bottom plate, a cutting knife mounting plate and a wedge block, each component has a simple structure, is easy to process, and has a low manufacturing cost, and when a certain part of the cutting knife bed is damaged, only a single damaged component needs to be replaced, which greatly reduces the production cost of the warp knitting machine, and in addition, the operation of mounting the cutting knife seat on the cutting knife bed through the dovetail groove and the pressing plate is very convenient, which greatly improves the production efficiency.

[0010] The driving mechanism of the utility model comprises an eccentric wheel, an eccentric sleeve, a connecting rod, a rotating shaft, a bearing seat and a servo motor, has a simple structure and stable operation, and further improves the production efficiency.

[0011] 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 meeting the production requirements of cutting different grass silk heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings.

[0013] Figure 1 The utility model is a structural schematic diagram of a grass cutting device of an artificial turf warp knitting machine.

[0014] Figure 2 This is a structural schematic diagram of a cutter bed in the utility model, in which the bottom plate is not shown.

[0015] Figure 3 The utility model is a structural schematic diagram of a cutting knife mounting plate.

[0016] Figure 4 for Figure 3 Schematic side view of .

[0017] Figure 5 The utility model is a structural schematic diagram of the wedge block.

[0018] Figure 6 The utility model is a schematic diagram of an installation structure of the cutting knife and the cutting knife seat. DETAILED DESCRIPTION

[0019] See also Figures 1 to 6 The grass cutting device of an artificial turf warp knitting machine 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 into 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 thereon, the cutting knife 4 is fixedly mounted on the cutting knife seat 5 by being tightly fitted into the groove or being fastened in the groove by conventional structures such as a pressure plate, the cutting knife seat 5 is mounted on the cutting knife bed 6, and the cutting knife bed 6 is slidably mounted on the support platform 7. On the support platform 7, the cutter bed 6 is driven by a driving mechanism to move forward and backward. A dovetail-shaped protrusion 5a is provided at the bottom of the cutter seat 5. The cutter bed 6 is composed of a rectangular bottom plate 6-1, a cutter mounting plate 6-2 and a wedge block 6-3 with an inclined surface 6a. A wedge groove 6b is provided on the front side of the top surface of the cutter mounting plate 6-2. The wedge groove 6b is adapted to the shape of the wedge block 6-3. A plurality of grooves 6c are provided on the rear side of the top surface of the cutter mounting plate 6-2. The wedge block 6-3 is detachably mounted in the wedge groove 6b by bolts, and a dovetail-shaped groove structure is formed between the inclined surface 6a of the wedge block 6-3 and the groove 6c. The protrusion 5a of the cutter seat 5 is placed in the groove 6c and is fixed to the cutter mounting plate 6-2 by a pressing plate 8. The bottom plate 6-1 is detachably connected to the cutter mounting plate 6-2 by bolts. In the present invention, the pressing plate 8 is preferably a U-shaped opening pressing plate.

[0020] As a preferred embodiment of the present invention, Figure 1 As shown, a first guide rail 7a is fixedly provided on the front side of the upper end face of the support platform 7, and a first slider 6d is fixedly provided on the bottom surface of the bottom plate 6-1, and the first slider 6d 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 6d to realize forward and backward movement.

[0021] As a preferred embodiment of the present invention, Figure 1As shown, the driving mechanism includes an eccentric wheel 9, an eccentric sleeve 10, a connecting rod 11, a rotating shaft 12, a bearing seat 13 and a servo motor. The servo motor is not shown in the figure. The bearing seat 13 is fixedly mounted on the rear side of the upper end surface of the support platform 7 by bolts. The rotating shaft 12 is rotatably mounted on the bearing seat 13. The eccentric wheel 9 is fixedly mounted on the rotating shaft 12. The rear end of the eccentric sleeve 10 is preferably mounted on the eccentric wheel 9 by a bearing sleeve. The front end of the eccentric sleeve 10 is rotatably connected to the rear end of the connecting rod 11 through a pin and a bearing. The front end of the connecting rod 11 is fixedly connected to the rear end of the bottom plate 6-1 by bolts. The rotating shaft 12 is driven to rotate by the servo motor. In the utility model, the rotating shaft 12 can be directly driven to rotate by the output shaft of the servo motor, or it can be driven to rotate by a transmission mechanism such as a synchronous belt transmission mechanism. The driving mechanism of the utility model can also adopt other mechanisms, such as linear motor drive.

[0022] As a preferred embodiment of the present invention, Figure 1 As shown, the grass cutting device also includes a support platform mounting seat 14, a second guide rail 14a is fixedly provided on the upper end surface of the support platform mounting seat 14, 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 14a, and the support platform mounting seat 14 is mounted on the warp knitting machine frame by bolts. With such a structure, the position of the support platform 7 is changed by sliding the support platform 7 forward and backward, so as to meet the production requirements of cutting grass of different heights.

[0023] After trial, the cutter bed of the utility model has a simple structure, is easy to process, and has a low manufacturing cost. In addition, the cutter seat is conveniently installed on the cutter bed through the dovetail groove and the pressure plate, which greatly improves the production efficiency and achieves good practical effects.

Claims

1. A grass cutting device for an artificial turf warp knitting machine, 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), the cutting knife bed (6) is slidably mounted on the supporting platform (7), and the cutting knife bed (6) is driven by a driving mechanism to move forward and backward, characterized in that: The bottom of the cutter seat (5) is provided with a dovetail-shaped protrusion (5a); the cutter bed (6) is composed of a rectangular bottom plate (6-1), a cutter mounting plate (6-2) and a wedge block (6-3) having an inclined surface (6a); a wedge groove (6b) is provided on the front side of the top of the cutter mounting plate (6-2); the wedge groove (6b) is adapted to the shape of the wedge block (6-3); a plurality of spaced-apart, parallel and spaced-apart lengthwise directions are provided on the rear side of the top of the cutter mounting plate (6-2); The wedge block (6-3) is detachably mounted in the wedge groove (6b) by means of bolts, and a dovetail groove structure is formed between the inclined surface (6a) of the wedge block (6-3) and the groove (6c), the protrusion (5a) of the cutter seat (5) is placed in the groove (6c) and is fixed to the cutter mounting plate (6-2) by means of a pressure plate (8), and the bottom plate (6-1) is detachably connected to the cutter mounting plate (6-2) by means of bolts.

2. The grass cutting device of the artificial turf warp knitting machine according to claim 1, characterized in that: A first guide rail (7a) is provided on the front side of the upper end face of the support platform (7), and a first sliding block (6d) is provided on the bottom surface of the bottom plate (6-1), wherein the first sliding block (6d) is slidably matched with the first guide rail (7a).

3. The grass cutting device of the artificial turf warp knitting machine according to claim 1, characterized in that: The driving mechanism comprises an eccentric wheel (9), an eccentric sleeve (10), a connecting rod (11), a rotating shaft (12), a bearing seat (13) and a servo motor, wherein the bearing seat (13) is fixedly mounted on the rear side of the upper end surface of the support platform (7), the rotating shaft (12) is rotatably mounted on the bearing seat (13), the eccentric wheel (9) is fixedly mounted on the rotating shaft (12), the rear end of the eccentric sleeve (10) is sleeved on the eccentric wheel (9), the front end of the eccentric sleeve (10) is rotatably connected to the rear end of the connecting rod (11), the front end of the connecting rod (11) is fixedly connected to the rear end of the base plate (6-1), and the rotating shaft (12) is driven to rotate by the servo motor.

4. The grass cutting device of the artificial turf warp knitting machine according to claim 1, 2 or 3, characterized in that: The grass wire cutting device also includes a support platform mounting seat (14), a second guide rail (14a) is provided on the upper end surface of the support platform mounting seat (14), a second slider (7b) is provided on the bottom surface of the support platform (7), the second slider (7b) is slidably engaged with the second guide rail (14a), and the support platform mounting seat (14) is mounted on a warp knitting machine frame.

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