Flocking jacquard device of two-needle bed lawn mower

Abstract

The flocking jacquard device comprises a first needle bed and a second needle bed, the first needle bed and the second needle bed are arranged in parallel in a front-back spaced mode in the front-back direction of the machine, a plurality of first needle beds are detachably installed on the rear side of the first needle bed, and a plurality of second needle beds are detachably installed on the front side of the second needle bed. Each first needle bed is provided with a vertically-arranged tufting needle, each second needle bed is provided with a vertically-arranged tufting needle, and the tufting needles installed on the first needle beds and the tufting needles installed on the second needle beds are arranged in a staggered mode in the radial direction. Tufting needles of the first needle bed and tufting needles of the second needle bed are located on the same horizontal line in the width direction of the lawn mower, the first needle bed is driven by a third driving mechanism to do independent reciprocating transverse movement in the width direction, and the second needle bed is driven by a fourth driving mechanism to do independent reciprocating transverse movement in the width direction. According to the invention, rhombus, heart-shaped or other self-designed lawn patterns with different shapes and lawn products with different colors can be produced, the structure is simple, and the implementation is convenient.

Description

Technical Field

[0001] The invention relates to a lawn mower for producing artificial lawns, in particular to a flocking jacquard device in the lawn mower, and belongs to the technical field of textile equipment. Background Art

[0002] There is an existing lawn machine for producing artificial turf, such as Chinese utility model patent ZL202120975892.2, named as a tufting machine for producing floor spring turf, which discloses a structure, which includes a frame, a cloth support plate, a needle seat, needles, a main hook base, a main hook knife, a secondary hook base, and a secondary hook knife. The cloth support plate is mounted on the frame, and the needle seat is arranged in parallel directly above the cloth support plate. The needles are multiple and evenly spaced and fixed on the needle seat close to the cloth support plate. A plurality of cloth support plate holes for the needles to pass through are provided on the cloth support plate to match the positions of the needles. The secondary hook base is arranged below the cloth support plate, and the secondary hook knife is the same in number as the needles and is fixed at equal intervals. On the side of the auxiliary hook base close to the cloth support plate, the main hook base is arranged parallel to the bottom of the cloth support plate, there are multiple main hook knives and they match the auxiliary hook knives, and the main hook knives are fixed on the side of the main hook base close to the auxiliary hook base. The tufting machine also includes a needle seat driving mechanism for driving the needles driven by the cloth support plate to move up and down along the holes of the cloth support plate, a main hook driving mechanism for driving the main hook base to move forward and backward to drive the main hook knife to take or release the thread from the needle, an auxiliary hook driving mechanism for driving the auxiliary hook base to move forward and backward to drive the auxiliary hook knife to take or release the thread from the main hook knife, and a main driving mechanism for driving the needle seat driving mechanism, the main hook driving mechanism and the auxiliary hook driving mechanism to be linked. The existing structure of the tufting machine, i.e., the lawn machine, has the following disadvantages in the actual production process: it can only produce products with rectangular long strip lawn patterns or products with square block lawn patterns, and cannot produce products with different shapes of diamond, heart or other self-designed lawn patterns. The lawn pattern varieties are few, the use effect is ordinary and lacks novelty, and it cannot meet the actual needs of users for multi-pattern fancy lawns. Moreover, the structure of the existing lawn machine is relatively complex and the manufacturing cost is high. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a flocking jacquard device for a double needle bed lawn machine, which can produce products with different shapes of diamonds, hearts and more lawn patterns, and can better meet the user's needs for multi-pattern fancy lawns. It also has a simple structure, is easy to implement and has a low manufacturing cost.

[0004] In order to solve the above technical problems, the present invention adopts such a flocking jacquard device of a double needle bed lawn mower, which is used to produce artificial turf, including a first needle bed and a second needle bed which are horizontally arranged along the width of the lawn mower and are in the shape of long strips, the first needle bed is driven by a first driving mechanism to move up and down in the vertical direction, and the second needle bed is driven by a second driving mechanism to move up and down in the vertical direction, the first needle bed and the second needle bed are arranged in parallel with each other in the front and rear directions of the lawn mower, a plurality of first needle seats arranged along the length direction of the first needle bed can be detachably installed on the rear side of the first needle bed, and a plurality of first needle seats arranged along the length direction of the second needle bed can be detachably installed on the front side of the second needle bed The second needle seats are arranged in the length direction, each first needle seat is equipped with a vertically arranged tufting needle, each second needle seat is equipped with a vertically arranged tufting needle, the tufting needles installed on the first needle seat of the first needle bed and the tufting needles installed on the second needle seat of the second needle bed are staggered along the width of the lawn mower, and the tufting needles installed on the first needle seat of the first needle bed and the tufting needles installed on the second needle seat of the second needle bed are on the same horizontal line in the width of the lawn mower, the first needle bed is driven by the third driving mechanism to make independent reciprocating transverse motion along the width of the lawn mower, and the second needle bed is driven by the fourth driving mechanism to make independent reciprocating transverse motion along the width of the lawn mower.

[0005] As a preferred embodiment of the present invention, the cross-sections of the first needle bed and the second needle bed are both T-shaped, the spacing distance between the first needle bed and the second needle bed is L, L≥0.1mm, and a plurality of first hole portions arranged at intervals along the length direction of the first needle bed and used for installing tufting needles are provided on the bottom surface of the first needle bed, and a plurality of second hole portions arranged at intervals along the length direction of the second needle bed and used for installing tufting needles are provided on the bottom surface of the second needle bed; the first needle seat and the second needle seat are both blocks with an L-shaped cross-section, a third hole portion for installing tufting needles is provided on the bottom surface of the first needle seat, and a fourth hole portion for installing tufting needles is provided on the bottom surface of the second needle seat, the tufting needle comprises a needle bar and a yarn threading hole arranged at the bottom of the needle bar, and the needle bar is adapted to the size and shape of the first hole portion, the second hole portion, the third hole portion and the fourth hole portion.

[0006] As a preferred embodiment of the present invention, the first driving mechanism includes a first rotating shaft, a first eccentric wheel, a first eccentric sleeve connecting rod, a first swing arm, a first swing shaft, a second swing arm, a first connecting rod, a first output shaft, a first guide rail and a first slider. The first swing shaft and the first rotating shaft are arranged in parallel up and down and are rotatably installed in the transmission oil tank of the lawn mower respectively. The first eccentric wheel is fixedly installed on the first rotating shaft. The lower end of the first eccentric sleeve connecting rod is sleeved on the first eccentric wheel. The upper end of the first eccentric sleeve connecting rod is rotatably connected to one end of the first swing arm, the other end of the first swing arm is fixedly connected to the first swing shaft, one end of the second swing arm is fixedly connected to the first swing shaft, the other end of the second swing arm is rotatably connected to the upper end of the first connecting rod, the lower end of the first connecting rod is rotatably connected to the upper end of the first output shaft, the lower end of the first output shaft is fixedly connected to the first guide rail, the first slider is fixedly installed on the first needle bed and the first slider is slidably connected to the first guide rail in the width direction of the lawn mower. The first output shaft is vertically arranged and slidably matched with the bottom plate of the transmission oil tank of the lawn mower. The first rotating shaft is connected by the first a motor drives the rotation; the second driving mechanism comprises a second rotating shaft, a second eccentric wheel, a second eccentric sleeve connecting rod, a third swing arm, a second swing shaft, a fourth swing arm, a second connecting rod, a second output shaft, a second guide rail and a second slider; the second swing shaft and the second rotating shaft are arranged in parallel up and down and are rotatably mounted in the transmission oil tank of the lawn mower; the second eccentric wheel is fixedly mounted on the second rotating shaft; the lower end of the second eccentric sleeve connecting rod is sleeved on the second eccentric wheel; the upper end of the second eccentric sleeve connecting rod is rotatably connected to one end of the third swing arm; the other end of the third swing arm is fixedly connected to the second swing shaft; one end of the fourth swing arm is fixedly connected to the second swing shaft; the other end of the fourth swing arm is rotatably connected to the upper end of the second connecting rod; the lower end of the second connecting rod is rotatably connected to the upper end of the second output shaft; the lower end of the second output shaft is fixedly connected to the second guide rail; the second slider is fixedly mounted on the second needle bed and the second slider is slidably connected to the second guide rail in the width direction of the lawn mower; the second output shaft is vertically arranged and slidably matched with the bottom plate of the transmission oil tank of the lawn mower; the second rotating shaft is driven to rotate by the second motor.

[0007] As a preferred embodiment of the present invention, the third driving mechanism includes a third motor, a first gear and a first rack, the third motor is fixedly connected to the first guide rail, the first gear is fixedly mounted on the output shaft of the third motor, the first rack is fixedly mounted on the first needle bed, and the first gear is meshed with the first rack; the fourth driving mechanism includes a fourth motor, a second gear and a second rack, the fourth motor is fixedly connected to the second guide rail, the second gear is fixedly mounted on the output shaft of the fourth motor, the second rack is fixedly mounted on the second needle bed, and the second gear is meshed with the second rack.

[0008] As a preferred embodiment of the present invention, the third driving mechanism includes a first linear motor with a screw-nut linear motion mechanism, the first linear motor is fixedly connected to the first output shaft or the first guide rail, and the nut in the first linear motor is fixedly connected to the first needle bed; the fourth driving mechanism includes a second linear motor with a screw-nut linear motion mechanism, the second linear motor is fixedly connected to the second output shaft or the second guide rail, and the nut in the second linear motor is fixedly connected to the second needle bed.

[0009] As a preferred embodiment of the present invention, the first slider is slidably connected to the first guide rail via a dovetail groove, a circular arc groove, a triangular groove, a trapezoidal groove or a rectangular groove structure, and the second slider is slidably connected to the second guide rail via a dovetail groove, a circular arc groove, a triangular groove, a trapezoidal groove or a rectangular groove structure.

[0010] As a preferred embodiment of the present invention, the distance between two adjacent grass yarns in the width direction of the artificial turf is W, the distance between the tufting needles installed on two adjacent first needle seats on the first needle bed is nⅹW, and the distance between the tufting needles installed on two adjacent second needle seats on the second needle bed is nⅹW, where n is an integer greater than or equal to 3.

[0011] After adopting the above structure, the present invention has the following beneficial effects: The present invention provides a first needle bed and a second needle bed, the first needle bed and the second needle bed are arranged in parallel with each other in the front and rear directions of the lawn mower, a plurality of first needle seats are detachably installed on the rear side of the first needle bed, and a plurality of second needle seats are detachably installed on the front side of the second needle bed, each of the first and second needle seats is installed with a vertically arranged tufting needle, the tufting needles installed on the first needle seat of the first needle bed and the tufting needles installed on the second needle seat of the second needle bed are staggered along the width of the lawn mower, the first needle bed is driven by a third driving mechanism to perform independent reciprocating transverse motion along the width of the lawn mower, and the second needle bed is driven by a fourth driving mechanism to perform independent reciprocating transverse motion along the width of the lawn mower. After adopting such a structure, the first needle bed is driven to move back and forth by the third driving mechanism, and the second needle bed is driven to move back and forth by the fourth driving mechanism, which can meet the requirements of the first and second needle beds to complete large lateral movement in the width direction at the same time; by adjusting the staggered distance between the tufting needles on the first needle seat and the tufting needles on the second needle seat, the two needle beds can be simultaneously, individually or alternately moved in the width direction at a set distance to achieve operation according to the pattern design requirements; when working, the tufting needles installed on the first needle seat of the first needle bed and the tufting needles installed on the second needle seat of the second needle bed are preferably inserted into grass yarns of different colors respectively, and the first needle bed and the tufting needles on the first needle seat are driven by the third driving mechanism, and the second needle bed and the tufting needles on the second needle seat are driven by the fourth driving mechanism to move in the width direction at a set distance, individually or alternately, and in the continuous flocking operation process, different shapes of diamonds, heart shapes or other more lawn patterns or shapes designed by themselves, and lawn products of different colors can be achieved.

[0012] The first needle seat of the present invention is detachably mounted on the rear side of the first needle bed, and the second needle seat is detachably mounted on the front side of the second needle bed. Therefore, it is convenient to adjust the distance between the tufting needles on two adjacent first needle seats and the distance between the tufting needles on two adjacent second needle seats.

[0013] The invention has the advantages of simple structure, convenient implementation and low manufacturing cost, and can better meet the needs of users for fancy lawns with multiple patterns. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings.

[0015] Figure 1 This is a front view schematic diagram of a preferred embodiment of the first driving mechanism in the present invention, and the second driving mechanism is not shown in the figure.

[0016] Figure 2 For the present invention Figure 1 A three-dimensional schematic diagram of the first driving mechanism is shown.

[0017] Figure 3This is a front view schematic diagram of a preferred embodiment of the second driving mechanism in the present invention, and the first driving mechanism is not shown in the figure.

[0018] Figure 4 For the present invention Figure 3 A three-dimensional schematic diagram of the second driving mechanism shown.

[0019] Figure 5 It is a structural schematic diagram of the first and second needle beds in the present invention.

[0020] Figure 6 It is a structural schematic diagram of the first and second needle seats in the present invention.

[0021] Figure 7 for Figure 6 Schematic side view of the present invention, in which the tufting needles are not shown.

[0022] Figure 8 It is a side view schematic diagram of the flocking jacquard device of the double needle bed lawn mower of the present invention.

[0023] Fig. 9 The present invention is a schematic structural diagram of a first needle bed driven by a third driving mechanism to independently reciprocate and move transversely along the width of the lawn mower.

[0024] Fig.10 The present invention is a structural schematic diagram in which the first needle bed and the second needle bed are arranged in parallel with each other in the front and rear directions of the lawn mower.

[0025] Fig.11 It is a structural schematic diagram of a second needle seat installed on the second needle bed in the present invention.

[0026] Fig.12 It is a structural schematic diagram of a first needle seat installed on a first needle bed in the present invention.

[0027] Fig.13 This is a schematic diagram of an embodiment in which the artificial lawn of the present invention is in a diamond shape. DETAILED DESCRIPTION

[0028] See also Figures 1 to 13The flocking jacquard device of a double needle bed lawn mower shown in the figure is used for producing artificial turf, including a first needle bed 1 and a second needle bed 2 which are arranged horizontally along the width of the lawn mower and are in the shape of long strips, the first needle bed 1 is driven by a first driving mechanism 3 to move up and down in the vertical direction, and the second needle bed 2 is driven by a second driving mechanism 4 to move up and down in the vertical direction, the first needle bed 1 and the second needle bed 2 are arranged in parallel with each other in the front and rear directions of the lawn mower, and a plurality of first needle seats 5 arranged along the length direction of the first needle bed 1 are preferably detachably installed on the rear side of the first needle bed 1 by bolts 1-2, and a plurality of first needle seats 5 arranged along the length direction of the second needle bed 2 are preferably detachably installed on the front side of the second needle bed 2 by bolts 2-2 A second needle seat 6 is arranged in the width direction of the lawn mower, each first needle seat 5 is equipped with a vertically arranged tufting needle 7, each second needle seat 6 is equipped with a vertically arranged tufting needle 7, the tufting needles 7 installed on the first needle seat 5 of the first needle bed 1 and the tufting needles 7 installed on the second needle seat 6 of the second needle bed 2 are staggered with each other along the width direction of the lawn mower, and the tufting needles 7 installed on the first needle seat 5 of the first needle bed 1 and the tufting needles 7 installed on the second needle seat 6 of the second needle bed 2 are on the same horizontal line A in the width direction of the lawn mower, the first needle bed 1 is driven by the third driving mechanism 8 to make an independent reciprocating transverse motion along the width direction of the lawn mower, and the second needle bed 2 is driven by the fourth driving mechanism 9 to make an independent reciprocating transverse motion along the width direction of the lawn mower.

[0029] As a preferred embodiment of the present invention, Figures 1 to 12 As shown, the cross-sections of the first needle bed 1 and the second needle bed 2 are both T-shaped, and of course they can also be rectangular, L-shaped or other shapes. The spacing distance between the first needle bed 1 and the second needle bed 2 is L, L ≥ 0.1 mm, and a plurality of first hole portions 1-1 arranged at intervals along the length direction of the first needle bed 1 and used for installing the tufting needles 7 are provided on the bottom surface of the first needle bed 1, and a plurality of second hole portions 2-1 arranged at intervals along the length direction of the second needle bed 2 and used for installing the tufting needles 7 are provided on the bottom surface of the second needle bed 2; the first needle seat 5 and the second needle seat 6 are preferably blocks with L-shaped cross-sections, and of course they can also be rectangular, right-angled trapezoidal or other shapes, and a third hole for installing the tufting needle 7 is provided on the bottom surface of the first needle seat 5 Part 5-1, a fourth hole part 6-1 for installing a tufting needle 7 is opened on the bottom surface of the second needle seat 6, the tufting needle 7 has a needle rod 7-1 and a threading hole 7-2 arranged at the bottom of the needle rod 7-1, the needle rod 7-1 is adapted to the size and shape of the first hole part 1-1, the second hole part 2-1, the third hole part 5-1 and the fourth hole part 6-1, the first hole part 1-1, the second hole part 2-1, the third hole part 5-1 and the fourth hole part 6-1 of the present invention are preferably round holes, and the needle rod 7-1 is a round rod. When installing, it is only necessary to insert the needle rod 7-1 of the tufting needle 7 into the first hole part 1-1, the second hole part 2-1, the third hole part 5-1 and the fourth hole part 6-1, and fix them by tightening screws.

[0030] As a preferred embodiment of the present invention, Figures 1 to 4 As shown, Figure 1 , Figure 33-1, the first eccentric wheel 3-2, the first eccentric sleeve connecting rod 3-3, the first swing arm 3-4, the first swing shaft 3-5, the second swing arm 3-6, the first connecting rod 3-7, the first output shaft 3-8, the first guide rail 3-9 and the first slider 3-10. The first swing shaft 3-5 and the first rotating shaft 3-1 are arranged in parallel up and down and are rotatably installed in the transmission oil tank 10 of the lawn mower through bearings respectively. The first eccentric wheel 3-2 is fixedly installed on the first rotating shaft 3-1. The lower end of the eccentric sleeve connecting rod 3-3 is preferably sleeved on the first eccentric wheel 3-2 through a bearing 12 or a sleeve, the upper end of the first eccentric sleeve connecting rod 3-3 is preferably rotatably connected to one end of the first swing arm 3-4 through a pin, the other end of the first swing arm 3-4 is fixedly connected to the first swing shaft 3-5 through a bolt, one end of the second swing arm 3-6 is fixedly connected to the first swing shaft 3-5 through a bolt, the other end of the second swing arm 3-6 is rotatably connected to the upper end of the first connecting rod 3-7 through a pin, and the lower end of the first connecting rod 3-7 is connected to the first output shaft 3 through a pin. The first output shaft 3-8 is rotatably connected at the upper end, the lower end of the first output shaft 3-8 is fixedly connected to the first guide rail 3-9 through a rectangular half 13 and bolts, the first slider 3-10 is fixedly installed on the first needle bed 1 by bolts, and the first slider 3-10 is slidably connected to the first guide rail 3-9 in the width direction of the lawn mower, the first output shaft 3-8 is vertically arranged and preferably slidably cooperates with the bottom plate 10-1 of the transmission oil tank 10 of the lawn mower through a linear bearing or a sleeve 14, and the first rotating shaft 3-1 is driven by the first motor 3-11 preferably through a synchronous wheel 15, a synchronous belt 1 6 transmission mechanism drives the first rotating shaft 3-1 to rotate. Of course, the first rotating shaft 3-1 can also be directly driven to rotate by the first motor 3-11; when the first rotating shaft 3-1 rotates, it drives the first eccentric wheel 3-2, the first eccentric sleeve connecting rod 3-3, the first swing arm 3-4, the first swing shaft 3-5, the second swing arm 3-6, and the first connecting rod 3-7 to drive the first output shaft 3-8 to move up and down in the vertical direction. When the first output shaft 3-8 moves up and down, it drives the first guide rail 3-9, the first slider 3-10 and the first needle bed 1 to move up and down at the same time, and implants the grass silk yarn into the grey cloth through the tufting needle 7 to perform flocking work;The second driving mechanism 4 includes a second rotating shaft 4-1, a second eccentric wheel 4-2, a second eccentric sleeve connecting rod 4-3, a third swing arm 4-4, a second swing shaft 4-5, a fourth swing arm 4-6, a second connecting rod 4-7, a second output shaft 4-8, a second guide rail 4-9 and a second slider 4-10. The second swing shaft 4-5 and the second rotating shaft 4-1 are arranged in parallel up and down and are rotatably installed in the transmission oil tank 10 of the lawn mower through bearings respectively. The second eccentric wheel 4-2 is fixedly installed on the second rotating shaft 4-1. The lower end of the second eccentric sleeve connecting rod 4-3 is preferably The second eccentric wheel 4-2 is preferably mounted on the second eccentric sleeve connecting rod 4-3 through a bearing 17 or a sleeve, the upper end of the second eccentric sleeve connecting rod 4-3 is preferably rotatably connected to one end of the third swing arm 4-4 through a pin, the other end of the third swing arm 4-4 is fixedly connected to the second swing shaft 4-5 through a bolt, one end of the fourth swing arm 4-6 is fixedly connected to the second swing shaft 4-5 through a bolt, the other end of the fourth swing arm 4-6 is rotatably connected to the upper end of the second connecting rod 4-7 through a pin, and the lower end of the second connecting rod 4-7 is rotatably connected to the upper end of the second output shaft 4-8 through a pin. The lower end of the second output shaft 4-8 is fixedly connected to the second guide rail 4-9 through a rectangular half 18 and bolts, the second slider 4-10 is fixedly installed on the second needle bed 2 through bolts, and the second slider 4-10 is slidably connected to the second guide rail 4-9 in the width direction of the lawn mower, the second output shaft 4-8 is vertically arranged and preferably slidably cooperates with the bottom plate 10-1 of the transmission oil tank 10 of the lawn mower through a linear bearing or a sleeve 19, and the second rotating shaft 4-1 is driven by the second motor 4-11 preferably through a synchronous wheel 20 and a synchronous belt 21. The second rotating shaft 4-1 can also be directly driven to rotate by the second motor 4-11; when the second rotating shaft 4-1 rotates, it drives the second eccentric wheel 4-2, the second eccentric sleeve connecting rod 4-3, the third swing arm 4-4, the second swing shaft 4-5, the fourth swing arm 4-6, and the second connecting rod 4-7 to drive the second output shaft 4-8 to move up and down in the vertical direction. When the second output shaft 4-8 moves up and down, it drives the second guide rail 4-9, the second slider 4-10, and the second needle bed 2 to move up and down at the same time and implant the grass silk yarn into the grey cloth through the tufting needle 7 to perform flocking work.

[0031] In the present invention, the structure of the first driving mechanism 3 and the second driving mechanism 4 is not limited to the first embodiment, and other structures may also be used. For example, the first crankshaft is used to replace the first rotating shaft 3-1 and the first eccentric wheel 3-2 transmission structure, the second crankshaft is used to replace the second rotating shaft 4-1 and the second eccentric wheel 4-2 transmission structure, and a connecting rod may be used to replace the second swing arm 3-6 and the first connecting rod 3-7 transmission structure or the fourth swing arm 4-6 and the second connecting rod 4-7 transmission structure, etc., which are not shown in the figure.

[0032] As a preferred embodiment of the present invention, Figure 1 ,3 As shown in , 8 and 9, the third driving mechanism 8 includes a third motor 8-1, a first gear 8-2 and a first rack 8-3. The third motor 8-1 is preferably fixedly connected to the first guide rail 3-9 through a bending plate 22 and bolts, the first gear 8-2 is fixedly mounted on the output shaft of the third motor 8-1, the first rack 8-3 is fixedly mounted on the first needle bed 1 through bolts, and the first gear 8-2 is meshed with the first rack 8-3; the fourth driving mechanism 9 includes a fourth motor 9-1, a second gear 9-2 and a second rack 9-3. The fourth motor 9-1 is fixedly connected to the second guide rail 4-9 through a bending plate 23 and bolts, the second gear 9-2 is fixedly mounted on the output shaft of the fourth motor 9-1, the second rack 9-3 is fixedly mounted on the second needle bed 2 through bolts, and the second gear 9-2 is meshed with the second rack 9-3. When working, the first needle bed 1 and the second needle bed 2 are driven by the above-mentioned gear and rack transmission mechanism to make independent reciprocating transverse movements along the width of the lawn mower.

[0033] In the present invention, the third driving mechanism 8 is not limited to the above-mentioned embodiment, and other structures may also be adopted. For example, the third driving mechanism 8 includes a first linear motor with a screw-nut linear motion mechanism. During installation, the first linear motor is fixedly connected to the first output shaft 3-8 or the first guide rail 3-9 through a connecting plate and bolts, and the nut in the first linear motor is fixedly connected to the first needle bed 1. When the first linear motor is working, its nut drives the first needle bed 1 to perform independent reciprocating and transverse motion along the width of the lawn mower, which is not shown in the figure; the fourth driving mechanism 9 may also adopt other structures. For example, the fourth driving mechanism 9 includes a second linear motor with a screw-nut linear motion mechanism. During installation, the second linear motor is fixedly connected to the second output shaft 4-8 or the second guide rail 4-9 through a connecting plate and bolts, and the nut in the second linear motor is fixedly connected to the second needle bed 2. When the second linear motor is working, its nut drives the second needle bed 2 to perform independent reciprocating and transverse motion along the width of the lawn mower, which is not shown in the figure.

[0034] As a preferred embodiment of the present invention, the first slider 3-10 is slidably connected to the first guide rail 3-9 through a dovetail groove, a circular arc groove, a triangular groove, a trapezoidal groove, or a rectangular groove, and the second slider 4-10 is slidably connected to the second guide rail 4-9 through a dovetail groove, a circular arc groove, a triangular groove, a trapezoidal groove, or a rectangular groove, and the figure only shows the circular arc groove structure. Figure 2 , 4, 8, and 9, do not show dovetail grooves, triangular grooves, trapezoidal grooves, or rectangular grooves. In implementation, it is only necessary to set grooves on the top of the first slider 3-10 and the second slider 4-10 and set dovetail-shaped convex blocks, circular arc-shaped convex blocks, triangular convex blocks, trapezoidal convex blocks, or rectangular convex blocks on both sides of the grooves, and set dovetail-shaped grooves, circular arc-shaped grooves, triangular grooves, trapezoidal grooves, or rectangular grooves on both sides of the first guide rail 3-9 and the second guide rail 4-9, and the convex blocks can slide in the corresponding grooves.

[0035] As a preferred embodiment of the present invention, Fig.13 In the rhombus lawn pattern shown, the distance between two adjacent grass yarns 11 in the width direction of the artificial lawn is W, where W is one needle pitch, the distance between the tufting needles 7 installed on the two adjacent first needle seats 5 of the first needle bed 1 is n x W, where n is an integer greater than or equal to 3, i.e., greater than or equal to 3 needle pitches, and the distance between the tufting needles 7 installed on the two adjacent second needle seats 6 of the second needle bed 2 is n x W, where n is an integer greater than or equal to 3, i.e., greater than or equal to 3 needle pitches. In actual operation, the distance between the tufting needles 7 on the two adjacent first needle seats 5 can be adjusted to, for example, 5, 8, 12 needle pitches, etc. according to the lawn pattern, and the distance between the tufting needles 7 on the two adjacent second needle seats 6 can be adjusted to, for example, 5, 8, 12 needle pitches, etc., and the operation is very convenient.

[0036] As a working mode of the present invention, the tufting needles 7 installed on the first needle seat 5 of the first needle bed 1 and the tufting needles 7 installed on the second needle seat 6 of the second needle bed 2 are preferably inserted into grass silk yarns of different colors, see Figure 8 The grey cloth 24 is pulled by the mop fork 25 of the lawn mower to move from the back of the machine to the front of the machine. The mop fork 25 of the present invention can also be replaced by a traction roller. The grey cloth 24 is pulled by the traction roller to move from the back of the machine to the front of the machine. The traction roller is not shown in the figure. The first needle bed 1 and the tufting needles 7 on the first needle seat 5 are driven by the third driving mechanism 8, and the second needle bed 2 and the tufting needles 7 on the second needle seat 6 are driven by the fourth driving mechanism 9. At the same time, they are moved horizontally according to the set distance or needle pitch, or moved horizontally alone or alternately to the flocking position. The first needle bed 1 is driven by the first driving mechanism 3, and the second needle bed 2 is driven by the second driving mechanism 4. At the same time, they move up and down in the vertical direction alone or alternately to flock the grey cloth 24. In the continuous operation process of the mop fork traction, the needle bed lateral movement and the up and down movement flocking, different shapes of diamond, heart, triangle, T-shaped or other lawn patterns or shapes designed by themselves, and lawn products of different colors can be realized. Fig.13 Only diamond-shaped lawn patterns are shown, and lawn patterns of other shapes are not shown.

[0037] After trial, the present invention can produce lawn products of different shapes, such as diamond, heart, triangle, T, L or other self-designed lawn patterns or shapes, and different colors, which can better meet the user's needs for multi-pattern fancy lawns. It has a simple structure, is easy to implement, has a low manufacturing cost, and has achieved good results.

Claims

1. A flocking jacquard device for a double needle bed lawn mower, used for producing artificial turf, comprising a first needle bed (1) and a second needle bed (2) arranged horizontally along the width of the lawn mower and in the shape of a long strip, wherein the first needle bed (1) is driven by a first drive mechanism (3) to move up and down in a vertical direction, and the second needle bed (2) is driven by a second drive mechanism (4) to move up and down in a vertical direction, characterized in that: The first needle bed (1) and the second needle bed (2) are arranged in parallel with each other in a front-to-rear direction of the lawn mower. A plurality of first needle seats (5) arranged along the length direction of the first needle bed (1) are detachably mounted on the rear side of the first needle bed (1). A plurality of second needle seats (6) arranged along the length direction of the second needle bed (2) are detachably mounted on the front side of the second needle bed (2). Each first needle seat (5) is mounted with a vertically arranged tufting needle (7), and each second needle seat (6) is mounted with a vertically arranged tufting needle (7) mounted on the first needle seat (5) of the first needle bed (1). The tufting needles (7) and the tufting needles (7) installed on the second needle seat (6) of the second needle bed (2) are arranged staggered in the width direction of the lawn mower, and the tufting needles (7) installed on the first needle seat (5) of the first needle bed (1) and the tufting needles (7) installed on the second needle seat (6) of the second needle bed (2) are located on the same horizontal line (A) in the width direction of the lawn mower. The first needle bed (1) is driven by a third driving mechanism (8) to perform independent reciprocating transverse motion in the width direction of the lawn mower, and the second needle bed (2) is driven by a fourth driving mechanism (9) to perform independent reciprocating transverse motion in the width direction of the lawn mower.

2. The flocking jacquard device of the double needle bed lawn mower according to claim 1, characterized in that: The cross-sections of the first needle bed (1) and the second needle bed (2) are both T-shaped. The spacing distance between the first needle bed (1) and the second needle bed (2) is L, L ≥ 0.1 mm. A plurality of first holes (1-1) arranged at intervals along the length direction of the first needle bed (1) and used for mounting tufting needles (7) are provided on the bottom surface of the first needle bed (1). A plurality of second holes (2-1) arranged at intervals along the length direction of the second needle bed (2) and used for mounting tufting needles (7) are provided on the bottom surface of the second needle bed (2). The first needle seat (5) and the second needle seat (6) The blocks are all L-shaped in cross section, a third hole portion (5-1) for mounting a tufting needle (7) is provided on the bottom surface of the first needle seat (5), and a fourth hole portion (6-1) for mounting the tufting needle (7) is provided on the bottom surface of the second needle seat (6), the tufting needle (7) comprises a needle bar (7-1) and a threading hole (7-2) arranged at the bottom of the needle bar (7-1), and the needle bar (7-1) is adapted in size and shape to the first hole portion (1-1), the second hole portion (2-1), the third hole portion (5-1) and the fourth hole portion (6-1).

3. The flocking jacquard device of the double needle bed lawn mower according to claim 1, characterized in that: The first driving mechanism (3) comprises a first rotating shaft (3-1), a first eccentric wheel (3-2), a first eccentric sleeve connecting rod (3-3), a first swing arm (3-4), a first swing shaft (3-5), a second swing arm (3-6), a first connecting rod (3-7), a first output shaft (3-8), a first guide rail (3-9) and a first sliding block (3-10); the first swing shaft (3-5) and the first rotating shaft (3-1) are arranged in parallel up and down and are rotatably mounted in a transmission oil tank (10) of the lawn mower; the first eccentric wheel (3-2) is fixedly mounted on the first rotating shaft (3-1); the lower end of the first eccentric sleeve connecting rod (3-3) is sleeved on the first eccentric wheel (3-2); the upper end of the first eccentric sleeve connecting rod (3-3) is rotatably connected to one end of the first swing arm (3-4); the other end of the first swing arm (3-4) is rotatably connected to the first output shaft (3-8); the first output shaft (3-8) is rotatably mounted on the first output shaft (3-9); the first output shaft (3-8) is rotatably mounted on the first output shaft (3-1); the first output shaft (3-4 ... One end is fixedly connected to the first swing shaft (3-5), one end of the second swing arm (3-6) is fixedly connected to the first swing shaft (3-5), the other end of the second swing arm (3-6) is rotatably connected to the upper end of the first connecting rod (3-7), the lower end of the first connecting rod (3-7) is rotatably connected to the upper end of the first output shaft (3-8), the lower end of the first output shaft (3-8) is fixedly connected to the first guide rail (3-9), the first slider (3-10) is fixedly mounted on the first needle bed (1) and the first slider (3-10) is slidably connected to the first guide rail (3-9) in the width direction of the lawn mower, the first output shaft (3-8) is vertically arranged and slidably matched with the bottom plate (10-1) of the transmission oil tank (10) of the lawn mower, and the first rotating shaft (3-1) is driven to rotate by a first motor (3-11);The second driving mechanism (4) comprises a second rotating shaft (4-1), a second eccentric wheel (4-2), a second eccentric sleeve connecting rod (4-3), a third swing arm (4-4), a second swing shaft (4-5), a fourth swing arm (4-6), a second connecting rod (4-7), a second output shaft (4-8), a second guide rail (4-9) and a second slider (4-10); the second swing shaft (4-5) and the second rotating shaft (4-1) are arranged in parallel and are rotatably mounted in a transmission oil tank (10) of the lawn mower; the second eccentric wheel (4-2) is fixedly mounted on the second rotating shaft (4-1); the lower end of the second eccentric sleeve connecting rod (4-3) is sleeved on the second eccentric wheel (4-2); the upper end of the second eccentric sleeve connecting rod (4-3) is rotatably connected to one end of the third swing arm (4-4); the other end of the third swing arm (4-4) is rotatably connected to the second eccentric wheel (4-2); One end is fixedly connected to the second swing shaft (4-5), one end of the fourth swing arm (4-6) is fixedly connected to the second swing shaft (4-5), the other end of the fourth swing arm (4-6) is rotatably connected to the upper end of the second connecting rod (4-7), the lower end of the second connecting rod (4-7) is rotatably connected to the upper end of the second output shaft (4-8), the lower end of the second output shaft (4-8) is fixedly connected to the second guide rail (4-9), the second slider (4-10) is fixedly mounted on the second needle bed (2) and the second slider (4-10) is slidably connected to the second guide rail (4-9) in the width direction of the lawn mower, the second output shaft (4-8) is vertically arranged and slidably matched with the bottom plate (10-1) of the transmission oil tank (10) of the lawn mower, and the second rotating shaft (4-1) is driven to rotate by the second motor (4-11). ; 4. The flocking jacquard device of the double needle bed lawn mower according to claim 3, characterized in that: The third driving mechanism (8) comprises a third motor (8-1), a first gear (8-2) and a first rack (8-3); the third motor (8-1) is fixedly connected to the first guide rail (3-9); the first gear (8-2) is fixedly mounted on the output shaft of the third motor (8-1); the first rack (8-3) is fixedly mounted on the first needle bed (1); the first gear (8-2) and the first rack (8-3) are meshed with each other; the fourth driving mechanism (9) comprises a fourth motor (9-1), a second gear (9-2) and a second rack (9-3); the fourth motor (9-1) is fixedly connected to the second guide rail (4-9); the second gear (9-2) is fixedly mounted on the output shaft of the fourth motor (9-1); the second rack (9-3) is fixedly mounted on the second needle bed (2); the second gear (9-2) and the second rack (9-3) are meshed with each other.

5. The flocking jacquard device of the double needle bed lawn mower according to claim 3, characterized in that: The third drive mechanism (8) comprises a first linear motor with a screw-nut linear motion mechanism, the first linear motor is fixedly connected to the first output shaft (3-8) or the first guide rail (3-9), and the nut in the first linear motor is fixedly connected to the first needle bed (1); the fourth drive mechanism (9) comprises a second linear motor with a screw-nut linear motion mechanism, the second linear motor is fixedly connected to the second output shaft (4-8) or the second guide rail (4-9), and the nut in the second linear motor is fixedly connected to the second needle bed (2).

6. The flocking jacquard device of the double needle bed lawn mower according to claim 3, characterized in that: The first slider (3-10) is slidably connected to the first guide rail (3-9) via a dovetail groove, a circular arc groove, a triangular groove, a trapezoidal groove or a rectangular groove structure, and the second slider (4-10) is slidably connected to the second guide rail (4-9) via a dovetail groove, a circular arc groove, a triangular groove, a trapezoidal groove or a rectangular groove structure.

7. The flocking jacquard device of a double needle bed lawn mower according to any one of claims 1 to 6, characterized in that: The distance between two adjacent grass yarns (11) in the width direction of the artificial turf is W, the distance between the tufting needles (7) installed on the two adjacent first needle seats (5) of the first needle bed (1) is n x W, and the distance between the tufting needles (7) installed on the two adjacent second needle seats (6) of the second needle bed (2) is n x W, where n is an integer greater than or equal to 3.

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