Elliptical opposite-needling needling unit

Abstract

The utility model relates to an elliptical opposite-needling needling unit which comprises an elliptical opposite-needling pre-needling machine, a first elliptical opposite-needling main needling machine and a second elliptical opposite-needling main needling machine. The elliptical opposite-needling pre-needling machine comprises a bidirectional synthetic motion assembly, an upper needle plate beam assembly, a lower needle plate beam assembly, a barrier supporting and stripping net assembly, a needle plate and micro-perforation needles. The bidirectional synthetic motion assembly comprises a main motor, an upper spindle box, an upper spindle component, a lower spindle box, a lower spindle component, an upper horizontal driving assembly and a lower horizontal driving assembly. Compared with production equipment of spunlace products, the elliptical opposite-needling needling unit only uses three pieces of production equipment with the same structure as that of an elliptical opposite-needling pre-needling machine, the production line process is short, the occupied area is small, a water treatment system is not needed, consumption of water resources is reduced, the produced product is non-woven fabric with a micro-perforated structure and a spunlace fabric style, and the production cost is reduced. Products produced by a spunlace process can be replaced, and low-cost and low-carbon green production is realized.

Description

Technical Field

[0001] The utility model relates to a needling machine, in particular to an elliptical needling machine unit. Background Art

[0002] Medical and sanitary materials, personal hygiene products, wipe materials, leather-based fabrics, etc., account for a large proportion of nonwoven fabrics, and with the continuous development of social economy and the continuous improvement of people's living standards, the market scale has been expanding for a long time. Except for leather-based fabrics, these materials are all disposable products with huge consumption. Most of these products are produced by spunlace technology. Spunlace products have the advantages of soft touch, high strength, good moisture absorption and breathability, and low pilling. However, the production equipment of spunlace products has a long production line process, a large floor space, and high water quality requirements. It must be equipped with an efficient water treatment system, especially the spunlace process has high energy consumption. Reducing energy consumption has always been the goal of the spunlace industry, but due to the working principle of spunlace, this process method is destined to have high energy consumption characteristics.

[0003] Therefore, it is necessary to develop a green production equipment that can produce products with similar spunlace-style performance while significantly reducing energy consumption to achieve low-cost, low-carbon production. Utility Model Content

[0004] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, the utility model proposes an elliptical double-puncture acupuncture unit.

[0005] The technical solution adopted by the utility model to solve the technical problem is: an elliptical double-needling acupuncture unit, including an elliptical double-needling pre-needling machine, the elliptical double-needling pre-needling machine is connected to a first elliptical double-needling main acupuncture machine through a transmission component, and the first elliptical double-needling main acupuncture machine and the second elliptical double-needling main acupuncture machine are connected through a transmission component; the structures of the first elliptical double-needling main acupuncture machine and the second elliptical double-needling main acupuncture machine are the same as the structure of the elliptical double-needling pre-needling machine;

[0006] The elliptical needle pre-needling machine includes a bidirectional synthetic motion assembly, an upper needle plate beam assembly, a lower needle plate beam assembly, a grille support stripping assembly, a needle plate and a micro-perforating needle; the bidirectional synthetic motion assembly includes a main motor, an upper arc bevel gear box, an upper spindle box, an upper spindle component, a lower arc bevel gear box, a lower spindle box, a lower spindle component, an upper horizontal drive component and a lower horizontal drive component;

[0007] The main motor is connected to the upper circular arc bevel gearbox, the upper circular arc bevel gearbox is connected to the upper spindle box, the upper spindle box is connected to the upper spindle component, the upper spindle component is connected to the upper eccentric connecting rod assembly, and the upper eccentric connecting rod assembly is connected to the upper needle plate beam assembly; the upper circular arc bevel gearbox and the lower circular arc bevel gearbox are connected through a transmission shaft and a coupling, the lower circular arc bevel gearbox is connected to the lower spindle box, the lower spindle box is connected to the lower spindle component, and the lower spindle component is connected to the lower eccentric connecting rod assembly; the lower eccentric connecting rod assembly is connected to the lower needle plate beam assembly; the upper eccentric connecting rod assembly and the lower eccentric connecting rod assembly respectively drive the upper needle plate beam assembly and the lower needle plate beam assembly to perform vertical movement.

[0008] The upper horizontal drive assembly is arranged on the upper needle plate beam assembly, and the upper horizontal drive assembly is connected to the upper spindle component through a synchronous pulley; the lower horizontal drive assembly is connected to the lower needle plate beam assembly, and the lower horizontal drive assembly is connected to the lower spindle component through a synchronous pulley; the upper horizontal drive assembly and the lower horizontal drive assembly respectively drive the upper needle plate beam assembly and the lower needle plate beam assembly to perform horizontal movement;

[0009] The grille support and stripping net assembly is arranged between the upper needle plate beam assembly and the lower needle plate beam assembly;

[0010] The upper needle plate beam assembly is provided with a needle plate in the direction toward the lower needle plate beam assembly, and the lower needle plate beam assembly is provided with a needle plate in the direction toward the upper needle plate beam assembly, and the needle plate is provided with a plurality of micro-perforation needles.

[0011] In a preferred embodiment of the present invention, the upper needle plate beam assembly and the lower needle plate beam assembly are symmetrically arranged up and down, and the structures of the upper needle plate beam assembly and the lower needle plate beam assembly both include a needle beam seat, and needle plate beams are respectively arranged at both ends of the needle beam seat, and the needle plate is arranged at the bottom end of the needle plate beam, and the cross section of the micro-perforation needle on the needle plate is a spiral triangular cross section.

[0012] In a preferred embodiment of the utility model, the grille supporting and stripping net assembly comprises an upper lifting box, an upper connecting plate, an upper middle strip plate, an upper grille combination piece, a lower lifting box, a lower connecting plate, a lower middle strip plate, and a lower grille combination piece; there are multiple upper lifting boxes, each of which is provided with an upper middle strip plate at the bottom end through an upper connecting plate, and the bottom ends of multiple upper middle strip plates are connected through an upper grille combination piece, an upper guide plate is provided at the bottom end of the upper connecting plate near the left side, and an upper tensioning plate is provided at the upper connecting plate near the right side;

[0013] There are multiple lower lifting boxes, and each of the lower lifting boxes is provided with a lower middle plate at the bottom end through a lower connecting plate. The bottom ends of the multiple lower middle plates are connected by a lower grille coupling. A lower guide plate is provided at the bottom end of the lower connecting plate near the left side, and a lower tensioning plate is provided at the lower connecting plate near the right side. A discharge plate is also provided at one end of the lower grille coupling provided with a lower tensioning plate.

[0014] In a preferred embodiment of the present utility model, the upper grille assembly and the lower grille assembly both include multiple grille sheets, two side groove plates and a middle groove plate located between the two side groove plates, the middle groove plate is provided with two rows of grille grooves, and the two rows of grille grooves have a slope of 1 / 6 of the stitch length; the multiple grille sheets are all inserted into the two rows of grille grooves and the two side groove plates.

[0015] In a preferred embodiment of the present invention, the grating sheet has a thickness of 0.4-0.5 mm and a width of 5-6 mm.

[0016] In a preferred embodiment of the utility model, the upper circular arc bevel gear box includes a first upper bevel gear, a second upper bevel gear, and a third upper bevel gear, the first upper bevel gear is meshed with the second upper bevel gear, the second upper bevel gear is meshed with the third upper bevel gear, the first upper bevel gear is arranged on the upper input shaft, the second upper bevel gear is arranged on the upper transition shaft, the third upper bevel gear is arranged on the output shaft, the output shaft is also provided with a first upper circular arc bevel gear, the first upper circular arc bevel gear is meshed with the second circular arc bevel gear, and the second circular arc bevel gear is arranged on the vertical output shaft; the upper input shaft is connected to the main motor, and the output shaft is connected to the upper spindle box;

[0017] The lower circular arc bevel gear box includes a first lower bevel gear, a second lower bevel gear, a first lower circular arc bevel gear and a second lower circular arc bevel gear, the first lower bevel gear and the second lower bevel gear are meshed, the first lower circular arc bevel gear and the second lower circular arc bevel gear are meshed, the first lower bevel gear and the second lower circular arc bevel gear are arranged on the lower transition shaft, the first lower circular arc bevel gear is arranged on the vertical input shaft, the vertical output shaft is connected to the vertical input shaft, and the second lower bevel gear is arranged on the lower output shaft; the lower output shaft is connected to the lower spindle box.

[0018] In a preferred embodiment of the present utility model, the upper horizontal drive assembly and the lower horizontal drive assembly both include an eccentric shaft disc, the right side surface of the eccentric shaft disc is provided with a shaft end bearing, and the left side surface of the eccentric shaft disc is provided with a stabilizing block; the eccentric shaft disc is arranged in a supporting seat, and the supporting seat is connected to the synchronous pulley, the eccentric shaft disc and the supporting seat are connected by a spacer sleeve and a supporting bearing, and end covers are respectively provided on both sides of the supporting seat.

[0019] In a preferred embodiment of the present utility model, a guide groove is provided at the symmetrical center line position of the needle beam seat, and the guide groove cooperates with the shaft end bearings on the upper horizontal motion mechanism and the lower horizontal motion mechanism; a circular hole is provided on the needle beam seat for hinged connection with the upper eccentric connecting rod mechanism and the lower eccentric connecting rod mechanism.

[0020] In a preferred embodiment of the present invention, the upper needle plate beam assembly and the lower needle plate beam assembly each include two needle plates, the two needle plates on the upper needle plate beam assembly are offset from each other by 1 / 6 of the cloth needle pitch, and the two needle plates on the lower needle plate beam assembly are offset from each other by 1 / 6 of the cloth needle pitch.

[0021] In a preferred embodiment of the present invention, micro-perforation needles with a capacity of 45,000 needles / meter are arranged on the needle board at equal intervals in both directions.

[0022] The beneficial effects of the utility model are as follows: relative to the production equipment of spunlace products, the elliptical double-needling needle punching unit of the present application only uses three production equipment with the same structure as the elliptical double-needling pre-needling machine. The production line process is short and occupies a small area. No water treatment system is required, which reduces water resource consumption and energy consumption. The products produced are non-woven fabrics with a micro-perforated structure and a spunlace style, which can replace products produced by the spunlace process and achieve low-cost, low-carbon green production. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of an ultra-dense micro-perforation elliptical double-puncture needle punching machine unit;

[0024] Figure 2 This is the schematic diagram of the elliptical acupuncture trajectory;

[0025] Figure 3 This is a schematic diagram of the main view of the ultra-dense micro-perforation elliptical double-needle needle loom;

[0026] Figure 4 It is a side view schematic diagram of an ultra-dense micro-perforated elliptical needle loom;

[0027] Figure 5 It is a top view schematic diagram of an ultra-dense micro-perforated elliptical needle punching machine;

[0028] Figure 6 It is a schematic diagram of a bidirectional synthetic motion assembly;

[0029] Figure 7 This is a schematic diagram of the structure of the upper needle plate beam assembly;

[0030] Figure 8 This is a schematic diagram of the structure of the grille support and stripping net assembly;

[0031] Fig. 9 This is a schematic diagram of the needle plate needle structure;

[0032] Fig.10 This is a schematic diagram of a spiral straight handle micro-perforation needle;

[0033] Fig.11 Schematic diagram of the upper arc bevel gearbox Figure 1 ;

[0034] Fig.12Schematic diagram of the upper arc bevel gearbox Figure 2 ;

[0035] Fig.13 Schematic diagram of the lower arc bevel gearbox Figure 1 ;

[0036] Fig.14 Schematic diagram of the lower arc bevel gearbox Figure 2 ;

[0037] Fig.15 is a schematic diagram of the upper horizontal drive assembly;

[0038] Fig.16 It is a schematic diagram of the structure of the upper horizontal drive assembly connected to the synchronous pulley and the needle beam seat respectively;

[0039] Fig.17 Schematic diagram of grille assembly Figure 1 It is a schematic diagram of the structure of the utility model;

[0040] In the figure: an elliptical pre-needling machine A; a first elliptical main needling machine B; a transmission component C; a second elliptical main needling machine D;

[0041] Bidirectional synthetic motion assembly 100; main motor 101; upper circular bevel gear box 102; first upper bevel gear 1021; upper input shaft 1022; second upper bevel gear 1023; upper transition shaft 1024; third upper bevel gear 1025; output shaft 1026; first upper circular bevel gear 1027; second circular bevel gear 1028; upper spindle box 103; upper spindle component 104; lower circular bevel gear box 105; first lower bevel gear 1051; vertical input Shaft 1052; first lower circular arc bevel gear 1053; second lower circular arc bevel gear 1054; lower transition shaft 1055; lower output shaft 1057; second lower bevel gear 1058; lower spindle box 106; lower spindle component 107; upper horizontal drive assembly 108; eccentric shaft disc 1081; shaft end bearing 1082; stabilizing block 1083; support seat 1084; spacer 1085; support bearing 1086; end cover 1087; lower horizontal drive assembly 109;

[0042] Upper needle plate beam assembly 200; needle beam seat 201; guide groove 2011; circular hole 2012; needle plate beam 202;

[0043] Lower needle plate beam assembly 300;

[0044] The grille supporting and stripping net assembly 400; the upper lifting box 401; the upper connecting plate 402; the upper middle strip plate 403; the upper grille combining piece 404; the grille sheet 4041; the side slot plate 4042; the middle slot plate 4043; the two rows of grille slots 4044; the lower lifting box 405; the lower connecting plate 406; the lower middle strip plate 407; the lower grille combining piece 408; the upper guide plate 409; the upper tensioning plate 410; the lower guide plate 411; the lower tensioning plate 412; the discharging plate 413;

[0045] Needle plate 500;

[0046] Micro-perforation needle 600;

[0047] Upper eccentric connecting rod assembly 701; Lower eccentric connecting rod assembly 702;

[0048] Transmission shaft and coupling 800;

[0049] Synchronous pulley 900;

[0050] Rack 1000; bottom rail 1001. DETAILED DESCRIPTION

[0051] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0052] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0053] like Figures 1 to 17An elliptical needle punching machine unit is shown, comprising an elliptical needle punching pre-needling machine A, wherein the elliptical needle punching pre-needling machine A is connected to a first elliptical needle punching main needle punching machine B through a transmission component C, and the first elliptical needle punching main needle punching machine B and a second elliptical needle punching main needle punching machine D are connected through a transmission component C; the structures of the first elliptical needle punching main needle punching machine B and the second elliptical needle punching main needle punching machine D are the same as those of the elliptical needle punching pre-needling machine A; the structures of the first elliptical needle punching main needle punching machine B and the second elliptical needle punching main needle punching machine D are both installed on the bottom rail 1001 with the elliptical needle punching pre-needling machine A;

[0054] The elliptical needle pre-needling machine A comprises a bidirectional synthetic motion assembly 100, an upper needle plate beam assembly 200, a lower needle plate beam assembly 300, a grille support stripping assembly 400, a needle plate 500 and a micro-perforation needle 600; the bidirectional synthetic motion assembly 100 comprises a main motor 101, an upper arc bevel gear box 102, an upper spindle box 103, an upper spindle component 104, a lower arc bevel gear box 105, a lower spindle box 106, a lower spindle component 107, an upper horizontal drive assembly 108 and a lower horizontal drive assembly 109;

[0055] The main motor 101 is connected to the upper arc bevel gear box 102, the upper arc bevel gear box 102 is connected to the upper spindle box 103, the upper spindle box 103 is connected to the upper spindle component 104, the upper spindle component 104 is connected to the upper eccentric connecting rod assembly 701, and the upper eccentric connecting rod assembly 701 is connected to the upper needle plate beam assembly 200; the upper arc bevel gear box 102 and the lower arc bevel gear box 105 are connected through a transmission shaft and a coupling 800, the lower arc bevel gear box 105 is connected to the lower spindle box 106, the lower spindle box 106 is connected to the lower spindle component 107, and the lower spindle component 107 is connected to the lower eccentric connecting rod assembly 702; the lower eccentric connecting rod assembly 702 is connected to the lower needle plate beam assembly 300; the upper eccentric connecting rod assembly 701 and the lower eccentric connecting rod assembly 702 respectively drive the upper needle plate beam assembly 200 and the lower needle plate beam assembly 300 to perform vertical movement,

[0056] The upper horizontal drive assembly 108 is arranged on the upper needle plate beam assembly 200, and the upper horizontal drive assembly 108 is connected to the upper spindle component 104 through the synchronous pulley 900; the lower horizontal drive assembly 109 is connected to the lower needle plate beam assembly 300, and the lower horizontal drive assembly 300 is connected to the lower spindle component 107 through the synchronous pulley 900; the upper horizontal drive assembly 108 and the lower horizontal drive assembly 109 respectively drive the upper needle plate beam assembly 200 and the lower needle plate beam assembly 300 to perform horizontal movement;

[0057] The grille support and stripping net assembly 400 is disposed between the upper needle plate beam assembly 200 and the lower needle plate beam assembly 300;

[0058] The upper needle plate beam assembly 200 is provided with a needle plate 500 in the direction toward the lower needle plate beam assembly, and the lower needle plate beam assembly 300 is provided with a needle plate 500 in the direction toward the upper needle plate beam assembly, and the needle plate 500 is provided with a plurality of micro-perforation needles 600; in a preferred embodiment of the present invention, the upper needle plate beam assembly 200 and the lower needle plate beam assembly 300 each include two needle plates 500, and the two needle plates on the upper needle plate beam assembly are offset from each other by 1 / 6 of the needle pitch, and the two needle plates on the lower needle plate beam assembly are offset from each other by 1 / 6 of the needle pitch; in the present application, a dense and equidistant longitudinal and transverse alignment of needles is adopted, and 45,000 micro-perforation needles / meter are arranged equidistantly longitudinally and transversely on the needle plate 500, and the longitudinal and transverse needle pitches of the micro-perforation needles in the present application are both 2.5 mm.

[0059] The main motor 101 is installed on the top of the frame 1000, and drives the upper arc bevel gear box 102 through a V-belt. The upper and lower arc bevel gear boxes are used for power transmission through a transmission shaft and a coupling 800, and the power is transmitted to the upper and lower main shaft boxes through a synchronous toothed belt and a tensioning wheel device, respectively, and then the upper and lower main shaft components coaxially connected with the upper and lower main shaft boxes are driven, and the upper and lower eccentric connecting rod components are driven through the upper and lower main shaft components to drive the upper and lower needle plate beam components to perform vertical movement; at the same time, the left main shaft of the upper and lower main shaft components drives the upper and lower symmetrically arranged upper and lower horizontal drive components through a synchronous toothed belt and a tensioning wheel device, so as to realize the horizontal movement of the upper and lower horizontal drive components and then realize the horizontal movement of the upper and lower needle plate beam components; the synthesis of these two movements makes the motion trajectory of the tip of the needle plate micro-perforation needle elliptical. In the present application, the micro-perforation needle of the upper needle plate beam assembly is the upper needle, and the micro-perforation needle of the lower needle plate beam assembly is the lower needle. The upper and lower spindles and the upper and lower horizontal drive assemblies rotate in the same direction, and the elliptical trajectories of the upper and lower needles are opposite. The upper needle goes down and penetrates the fiber net until it leaves the fiber net in the upper direction in the half-motion cycle, and also drives the fiber net to move to the right (cloth-out direction), while at the same time, the lower needle goes down and leaves the fiber net until it is about to penetrate the fiber net in the upper direction. In this process, the lower needle moves to the left. In the other half of the motion cycle, the lower needle plays a needling role and drives the fiber net to move to the right, and the upper needle moves to the left, thus forming a complete motion cycle, that is, the upper and lower needles, while completing the needling work on the fiber net, also alternately drive the fiber net to move in the cloth-out direction, which also means that the cloth-moving speed V of this unit is equal to the product of the horizontal motion range C and the needling frequency F, that is, V=C×F, which greatly improves the production and transmission efficiency of the product, thereby reducing energy consumption. The characteristics of this elliptical needle punching unit are: the input, output and movement of the fiber web between the machines are realized by the transmission components, and in the needle punching area inside the machine, the transmission is realized by the needle punching process, thus avoiding the stretching of the fiber web and ensuring the product quality.

[0060] Compared with the production equipment of spunlace products, the elliptical double-needling needle punching unit of the present application only uses three production equipment with the same structure as the elliptical double-needling pre-needling machine. The production line process is short and the footprint is small. No water treatment system is required, which reduces water resource consumption and energy consumption. The products produced are non-woven fabrics with a micro-perforated structure and a spunlace style, which can replace products produced by the spunlace process to achieve low-cost, low-carbon green production.

[0061] In a preferred embodiment of the present utility model, the upper needle plate beam assembly 200 and the lower needle plate beam assembly 300 are symmetrically arranged up and down, and the structures of the upper needle plate beam assembly 200 and the lower needle plate beam assembly 300 both include a needle beam seat 201, the needle beam seat 201 is saddle-shaped, and needle plate beams 202 are respectively provided at both ends of the needle beam seat 201. In this application, the two needle plate beams and the needle beam seat are fastened together with bolts, and the needle plate 500 is arranged at the bottom end of the needle plate beam 202. The cross-section of the micro-perforation needle 600 on the needle plate 500 is a spiral triangular cross-section, and the micro-perforation needle 600 is a short needle with a straight handle, a thin diameter, and a shallow hook. The handle diameter of the micro-perforation needle in this application is 1.2mm, and the hook depth is 0.03~0.06mm; the spiral angle is 8°, three hooks are opened on each edge, and the first hook on each edge is staggered equidistantly from the needle tip, and the needle length is 55.8mm. In a preferred embodiment of the present utility model, a guide groove 2011 is provided at the symmetrical center line position of the needle beam seat 201, and the guide groove 2011 cooperates with the shaft end bearings 1082 on the upper horizontal motion mechanism and the lower horizontal motion mechanism to realize the connection between the upper and lower horizontal motion mechanisms and the upper and lower needle plate beam assemblies; a circular hole 2012 is provided on the needle beam seat 201, which is used to be hinged with the upper eccentric connecting rod mechanism and the lower eccentric connecting rod mechanism to realize the connection between the upper and lower eccentric connecting rod mechanisms and the upper and lower needle plate beam assemblies.

[0062] When the elliptical needle punching machine is working, the spiral upper and lower needles are needle punching the fiber net, and the barbs on the spiral triangular edges act on the fiber net in sequence, and the effect of each barb on the fiber is not overlapped, so the hook band entanglement effect on the fiber net is more uniform. In addition, since the two needle plates on the same needle beam seat are offset by 1 / 6 of the needle pitch in the width direction, and there is also a slight midline symmetry error between the machines, or the lateral positions of the machines can be intentionally fine-tuned to stagger by 1 / 3 of the needle pitch, in this way, the upper and lower 6 needle plates with the same needle form on the three needle punching machines, and the effect of each row of needles on the fiber net is not overlapped, which minimizes the width of the strong weak stripes formed between every two rows of needles in the width direction without being needled, and ensures product quality.

[0063] In a preferred embodiment of the present utility model, the grille supporting and stripping net assembly 400 includes an upper lifting box 401, an upper connecting plate 402, an upper middle strip plate 403, an upper grille combination 404, a lower lifting box 405, a lower connecting plate 406, a lower middle strip plate 407, and a lower grille combination 408; there are multiple upper lifting boxes 401, and the bottom end of each upper lifting box 401 is provided with an upper middle strip plate 403 through an upper connecting plate 402, and the bottom ends of multiple upper middle strip plates 403 are connected through an upper grille combination 404, and an upper guide plate 409 is provided at the bottom end of the upper connecting plate near the left side, and an upper tensioning plate 410 is provided at the upper connecting plate near the right side;

[0064] There are multiple lower lifting boxes 405, and each of the lower lifting boxes 405 is provided with a lower middle plate 407 at the bottom end through a lower connecting plate 406. The bottom ends of the multiple lower middle plates 407 are connected by a lower grille coupling 408. A lower guide plate 411 is provided at the bottom end of the lower connecting plate near the left side, and a lower tensioning plate 412 is provided at the bottom end of the lower connecting plate near the right side. A discharge plate 413 is also provided at one end of the lower grille coupling 408 provided with the lower tensioning plate 412.

[0065] The grille supporting and stripping net assembly is divided into two groups, an upper group and an lower group, each group has three rows of lifting boxes longitudinally and N rows (4 rows in this application) of lifting boxes installed on the frame transversely according to the width of the machine. The connecting plate and the tensioning plate are connected together with the left and right rows of lifting boxes with bolts, and the middle plate made of magnetic material is connected to the middle row of lifting boxes. The two sides of the grille combination are stuck in the grooves of the tensioning plate, and the middle is freely magnetically attracted to the middle plate. The grille combination is tensioned and straightened by the bolts on the right side, and the upper guide plate and the lower guide plate are respectively connected to the upper and lower connecting plates on the left side, and the discharge plate is connected to the lower connecting plate on the right side. The upper and lower lifting boxes are connected by a transmission shaft and a coupling, which are driven by a reducer to adjust the positions of the upper and lower grille combinations respectively to control the needling depth; the upper grille combination realizes the stripping of the net of the needle plate in the upper needle plate beam assembly, so that the micro-perforation needles can quickly fall off the fabric after needling, thereby improving the needling efficiency of the micro-perforation needles of the upper needle plate beam assembly on the fabric, and at the same time realizing the net supporting effect on the needle plate in the lower needle plate beam assembly. Similarly, the lower grille combination realizes the stripping of the net of the needle plate in the lower needle plate beam assembly, thereby improving the needling efficiency of the micro-perforation needles of the lower needle plate beam assembly on the fabric, and at the same time realizing the net supporting effect on the needle plate in the upper needle plate beam assembly.

[0066] In a preferred embodiment of the present utility model, the upper grille combination 404 and the lower grille combination 408 are both arranged on the frame 1000, and the upper grille combination 404 and the lower grille combination 408 both include multiple grille sheets 4041, two side slot plates 4042 and a middle slot plate 4043 located between the two side slot plates, and the middle slot plate 4043 is provided with two rows of grille slots 4044, and the two rows of grille slots 4044 have an inclination of 1 / 6 of the stitch length of the cloth; the multiple grille sheets 4041 are all inserted into the two rows of grille slots 4044 and the two side slot plates 4042. In a preferred embodiment of the present utility model, the grille sheet 4041 is made of a stainless steel sheet with a thickness of 0.4-0.5mm and a width of 5-6mm, with both ends folded into right angles, inserted into the grille grooves of the side groove plate and the middle groove plate, and then fixed with an adhesive to ensure the product quality of the upper grille combination 404 and the lower grille combination 408, and to ensure the stripping and supporting effects of the micro-perforation needles in the upper and lower needle plate beam assemblies.

[0067] In a preferred embodiment of the utility model, the upper circular arc bevel gear box 102 includes a first upper bevel gear 1021, a second upper bevel gear 1023, and a third upper bevel gear 1025. The first upper bevel gear 1021 is meshed with the second upper bevel gear 1023, and the second upper bevel gear 1023 is meshed with the third upper bevel gear 1025. The first upper bevel gear 1021 is arranged on the upper input shaft 1022, the second upper bevel gear 1023 is arranged on the upper transition shaft 1024, and the third upper bevel gear 1025 is arranged on the output shaft 1026. The output shaft 1026 is also provided with a first upper circular arc bevel gear 1027, the first upper circular arc bevel gear 1027 is meshed with the second circular arc bevel gear 1028, and the second circular arc bevel gear 1028 is arranged on the vertical output shaft 10210; the upper input shaft 1022 is connected to the main motor 101, and the output shaft 1026 is connected to the upper spindle box 103;

[0068] The lower circular arc bevel gear box 105 includes a first lower bevel gear 1051, a second lower bevel gear 1058, a first lower circular arc bevel gear 1053 and a second lower circular arc bevel gear 1054, the first lower bevel gear 1051 and the second lower bevel gear 1058 are meshed, the first lower circular arc bevel gear 1053 and the second lower circular arc bevel gear 1054 are meshed, the first lower bevel gear 1051 and the second lower circular arc bevel gear 1054 are arranged on the lower transition shaft 1055, the first lower circular arc bevel gear 1053 is arranged on the vertical input shaft 1052, the vertical output shaft 10210 is connected to the vertical input shaft 1052, and the second lower bevel gear 1058 is arranged on the lower output shaft 1057; the lower output shaft 1057 is connected to the lower spindle box 106. The upper and lower arc bevel gear boxes drive the upper and lower spindle boxes and then drive the upper and lower spindle components to move, providing power for the upper and lower eccentric connecting rod assemblies to drive the upper and lower needle plate beam assemblies to make vertical movements, and providing power for the upper and lower horizontal drive assemblies to drive the upper and lower needle plate beam assemblies to make horizontal movements.

[0069] In a preferred embodiment of the utility model, the upper horizontal drive assembly 108 and the lower horizontal drive assembly 109 both include an eccentric shaft disc 1081, the right side of the eccentric shaft disc 1081 is provided with a shaft end bearing 1082, and the left side of the eccentric shaft disc 1081 is provided with a stabilizing block 1083; the eccentric shaft disc 1081 is arranged in a support seat 1084, and the support seat 1084 is connected to the synchronous pulley 900, the eccentric shaft disc 1081 and the support seat 1084 are connected through a spacer 1085 and a support bearing 1086, and end covers 1087 are respectively provided on both sides of the support seat 1083. The upper horizontal drive assembly is driven by the left spindle of the upper spindle component through a synchronous toothed belt, and the lower horizontal drive assembly is driven by the left spindle of the lower spindle component through a synchronous toothed belt. The upper and lower horizontal drive assemblies of the present application are respectively composed of a group of N coaxial horizontal motion components according to the machine width.

[0070] This elliptical needle punching unit adopts an ultra-high-density regular needle arrangement method with vertical and horizontal alignment, a grid support and stripping method, a double needle plate elliptical trajectory synchronous needle punching method, a two-way synthetic motion elliptical trajectory generation method, and is equipped with micro-perforation needles. It uses an ultra-dense micro-perforation elliptical needle punching pre-needling machine and two ultra-dense micro-perforation elliptical needle punching main machines to perform high-speed needle punching on the front and back sides of the fiber web delivered from the previous process, making it a needle-punched non-woven fabric that is close to the spunlace product in terms of physical properties and surface style, and its energy consumption is only 1 / 4 to 1 / 3 of that of the spunlace production line, realizing low-cost, low-carbon green production.

[0071] In the description of this specification, the description with reference to the terms "one embodiment", "certain embodiments", "illustrative embodiments", "examples", "specific examples" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0072] In summary, although the present invention has been disclosed as above in terms of preferred embodiments, the above preferred embodiments are not intended to limit the present invention. A person skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope defined in the claims.

Claims

1. An elliptical needle punching machine, characterized in that: It comprises an elliptical counter-puncture pre-needling machine, the elliptical counter-puncture pre-needling machine is connected to the first elliptical counter-puncture main needling machine through a transmission component, the first elliptical counter-puncture main needling machine and the second elliptical counter-puncture main needling machine are connected through a transmission component; the structures of the first elliptical counter-puncture main needling machine and the second elliptical counter-puncture main needling machine are the same as those of the elliptical counter-puncture pre-needling machine; The elliptical needle pre-needling machine includes a bidirectional synthetic motion assembly, an upper needle plate beam assembly, a lower needle plate beam assembly, a grille support stripping assembly, a needle plate and a micro-perforating needle; the bidirectional synthetic motion assembly includes a main motor, an upper arc bevel gear box, an upper spindle box, an upper spindle component, a lower arc bevel gear box, a lower spindle box, a lower spindle component, an upper horizontal drive component and a lower horizontal drive component; The main motor is connected to the upper circular arc bevel gearbox, the upper circular arc bevel gearbox is connected to the upper spindle box, the upper spindle box is connected to the upper spindle component, the upper spindle component is connected to the upper eccentric connecting rod assembly, and the upper eccentric connecting rod assembly is connected to the upper needle plate beam assembly; the upper circular arc bevel gearbox and the lower circular arc bevel gearbox are connected through a transmission shaft and a coupling, the lower circular arc bevel gearbox is connected to the lower spindle box, the lower spindle box is connected to the lower spindle component, and the lower spindle component is connected to the lower eccentric connecting rod assembly; the lower eccentric connecting rod assembly is connected to the lower needle plate beam assembly; the upper eccentric connecting rod assembly and the lower eccentric connecting rod assembly respectively drive the upper needle plate beam assembly and the lower needle plate beam assembly to perform vertical movement. The upper horizontal drive assembly is arranged on the upper needle plate beam assembly, and the upper horizontal drive assembly is connected to the upper spindle component through a synchronous pulley; the lower horizontal drive assembly is connected to the lower needle plate beam assembly, and the lower horizontal drive assembly is connected to the lower spindle component through a synchronous pulley; the upper horizontal drive assembly and the lower horizontal drive assembly respectively drive the upper needle plate beam assembly and the lower needle plate beam assembly to perform horizontal movement; The grille support and stripping net assembly is arranged between the upper needle plate beam assembly and the lower needle plate beam assembly; The upper needle plate beam assembly is provided with a needle plate in the direction toward the lower needle plate beam assembly, and the lower needle plate beam assembly is provided with a needle plate in the direction toward the upper needle plate beam assembly, and the needle plate is provided with a plurality of micro-perforation needles.

2. The elliptical needle punching machine according to claim 1, characterized in that: The upper needle plate beam assembly and the lower needle plate beam assembly are symmetrically arranged up and down, and the structures of the upper needle plate beam assembly and the lower needle plate beam assembly both include a needle beam seat, and needle plate beams are respectively provided at both ends of the needle beam seat. The needle plate is arranged at the bottom end of the needle plate beam, and the cross-section of the micro-perforation needle on the needle plate is a spiral triangular cross-section.

3. The elliptical needle punching machine according to claim 1, characterized in that: The grille supporting and stripping net assembly comprises an upper lifting box, an upper connecting plate, an upper middle strip plate, an upper grille combination, a lower lifting box, a lower connecting plate, a lower middle strip plate, and a lower grille combination; there are multiple upper lifting boxes, each of which is provided with an upper middle strip plate at the bottom end through an upper connecting plate, and the bottom ends of multiple upper middle strip plates are connected through an upper grille combination, an upper guide plate is provided at the bottom end of the upper connecting plate near the left side, and an upper tensioning plate is provided at the upper connecting plate near the right side; There are multiple lower lifting boxes, and each of the lower lifting boxes is provided with a lower middle plate at the bottom end through a lower connecting plate. The bottom ends of the multiple lower middle plates are connected by a lower grille coupling. A lower guide plate is provided at the bottom end of the lower connecting plate near the left side, and a lower tensioning plate is provided at the lower connecting plate near the right side. A discharge plate is also provided at one end of the lower grille coupling provided with a lower tensioning plate.

4. The elliptical needle punching machine unit according to claim 3, characterized in that: The upper grille assembly and the lower grille assembly both include multiple grille sheets, two side groove plates and a middle groove plate located between the two side groove plates. The middle groove plate is provided with two rows of grille grooves, and the two rows of grille grooves have an inclination of 1 / 6 of the stitch length of the cloth. The multiple grille sheets are all inserted into the two rows of grille grooves and the two side groove plates.

5. The elliptical needle punching machine set according to claim 4, characterized in that: The grid sheet has a thickness of 0.4-0.5 mm and a width of 5-6 mm.

6. The elliptical needle punching machine set according to claim 1, characterized in that: The upper circular bevel gear box comprises a first upper bevel gear, a second upper bevel gear and a third upper bevel gear, wherein the first upper bevel gear is meshed with the second upper bevel gear, the second upper bevel gear is meshed with the third upper bevel gear, the first upper bevel gear is arranged on the upper input shaft, the second upper bevel gear is arranged on the upper transition shaft, the third upper bevel gear is arranged on the output shaft, the output shaft is further provided with a first upper circular bevel gear, the first upper circular bevel gear is meshed with the second circular bevel gear, and the second circular bevel gear is arranged on the vertical output shaft; the upper input shaft is connected to the main motor, and the output shaft is connected to the upper spindle box; The lower circular arc bevel gear box includes a first lower bevel gear, a second lower bevel gear, a first lower circular arc bevel gear and a second lower circular arc bevel gear, the first lower bevel gear and the second lower bevel gear are meshed, the first lower circular arc bevel gear and the second lower circular arc bevel gear are meshed, the first lower bevel gear and the second lower circular arc bevel gear are arranged on the lower transition shaft, the first lower circular arc bevel gear is arranged on the vertical input shaft, the vertical output shaft is connected to the vertical input shaft, and the second lower bevel gear is arranged on the lower output shaft; the lower output shaft is connected to the lower spindle box.

7. The elliptical needle punching machine set according to claim 1, characterized in that: The upper horizontal drive assembly and the lower horizontal drive assembly both include an eccentric shaft disc, the right side of the eccentric shaft disc is provided with a shaft end bearing, and the left side of the eccentric shaft disc is provided with a stabilizing block; the eccentric shaft disc is arranged in a supporting seat, and the supporting seat is connected to the synchronous pulley, the eccentric shaft disc and the supporting seat are connected by a spacer sleeve and a supporting bearing, and end covers are respectively provided on both sides of the supporting seat.

8. The elliptical needle punching machine set according to claim 2, characterized in that: A guide groove is provided at the symmetrical center line position of the needle beam seat, and the guide groove cooperates with the shaft end bearings on the upper horizontal motion mechanism and the lower horizontal motion mechanism; a circular hole is provided on the needle beam seat for hinged connection with the upper eccentric connecting rod mechanism and the lower eccentric connecting rod mechanism.

9. The elliptical needle punching machine set according to claim 8, characterized in that: The upper needle plate beam assembly and the lower needle plate beam assembly each include two needle plates, the two needle plates on the upper needle plate beam assembly are offset from each other by 1 / 6 of the cloth needle pitch, and the two needle plates on the lower needle plate beam assembly are offset from each other by 1 / 6 of the cloth needle pitch.

10. The elliptical needle punching machine set according to claim 1, characterized in that: Micro-perforation needles with a density of 45,000 needles / meter are arranged on the needle board at equal intervals in both directions.

Images