CN210066112U - Cloth feeding and reversing device of needling embroidery machine - Google Patents

Abstract

A cloth feeding and reversing device of a needling embroidery machine belongs to the technical field of needling machinery. The needling embroidery machine comprises a frame, an embroidery mechanism, a cloth stripping mechanism and a cloth supporting mechanism, wherein the frame comprises a first wall plate, a second wall plate, an upper cross beam and a base, the embroidery mechanism comprises a crank case, a needle beam and a needle plate, the cloth stripping mechanism comprises a cloth stripping plate and a cloth stripping plate lifting device, the cloth supporting mechanism comprises a cloth supporting plate and a cloth supporting plate lifting mechanism, the cloth feeding and pouring device comprises a tension cloth guiding mechanism, a moving trolley, a composite cloth advancing and pouring mechanism and a composite cloth advancing and pouring mechanism, the tension cloth guiding mechanism is arranged on the front side of the frame, the moving trolley is arranged above the base in the left and right direction, the composite cloth advancing and pouring mechanism is arranged on the front side of the moving trolley and corresponds to the tension cloth guiding mechanism, and the composite cloth advancing and pouring mechanism is arranged on the rear side of the moving trolley in a state corresponding to the rear side of the composite cloth advancing and pouring mechanism. Superposing the cloths synchronously withdrawn from the cloth roll with each other in a state of ensuring good cloth feeding tension; meets the requirement of the thorn flower.

Description

Cloth feeding and reversing device of needling embroidery machine

Technical Field

The utility model belongs to the technical field of the acupuncture machinery, concretely relates to cloth feeding and cloth pouring device of acupuncture machine.

Background

The needling and embroidering machine is developed by a needling machine, namely, related parts meeting the embroidering requirement of fabrics are additionally arranged on the basis of the needling machine. In the actual use process, full-computer servo control is usually adopted, all technical parameters and functions such as needling frequency, needling depth, roller tension, roller speed, needling and non-needling can be set by a computer at will, and the needle can be used for needling, napping, compounding and the like of fabric with different weights and styles in four seasons such as spring, summer, autumn and winter, and can be used for producing floor felts, wall felts, liners, shoe materials and non-woven fabrics with various patterns.

The concept of cloth feeding and cloth reversing is to make the cloth to be embroidered move back and forth repeatedly in an alternating mode, and can meet the technological requirements of embroidering by the left and right reverse movement according to requirements.

Technical information of needle machines such as CN101492861B (automatic multifunction needle machine), CN102373579B (no end point needle machine), CN102677397B (structurally modified double shaft needle machine), CN102677297B (structurally modified double shaft needle machine), CN102677398A (double shaft needle machine), CN102808290B (drum type needle machine), CN106087288A (double-sided opposite-needle machine), CN105734836A (a low noise needle machine), CN106087259A (a high-speed double shaft guiding different-position opposite-needle machine) and CN106988023A (a small diameter felt sleeve needle machine) can be found in the published chinese patent documents.

The published chinese patent documents also show technical information about the needle loom, such as CN207313868U (needle loom with lifting function), CN207313869U (main shaft driving device of needle loom), CN107500396U (dynamic balance device of needle loom), CN207468846U (main shaft and motor shaft synchronous belt expansion device of needle loom), CN207378152U (main shaft head sealing device of needle loom) and CN207468848U (mesh supporting plate adjusting device of needle loom), which appear under the name of needle loom.

The fabric is needled on the composite cloth, the composite cloth is a double-layer cloth or a multi-layer cloth formed by overlapping an upper layer cloth and a lower layer cloth, an upper layer cloth, a middle layer cloth and a lower layer cloth or more layers of cloth, the lower layer cloth is extracted to the surface layer cloth by using needles, namely needling needles, and patterns are formed, the change of the needling depth of the needling needles determines that a certain lower layer cloth is lifted to the surface layer cloth, so a composite cloth introducing mechanism is required to be arranged on a needling machine; in addition, the composite cloth needs to move back and forth and back and left and right in an alternating manner in the process of embroidering the composite cloth, so that the composite cloth needs to be ensured by a cloth feeding and reversing device with a reasonable structure; since the conventional needle loom is still in the searching stage of the needle-punching embroidery machine, the technical information related to the composite fabric introducing mechanism and the fabric feeding and reversing device is not available in the Chinese and foreign patent documents disclosed so far. The technical solutions described below have been created in this context.

Disclosure of Invention

The task of the utility model is to provide a help making by different yardage rolls up the cloth that withdraws from in step coincide each other and form compound cloth and draw and thorn flower mechanism thorn flower, be favorable to making the compound cloth that is in under the thorn flower state shift around as required and control reciprocating displacement and can satisfy the cloth feeding cloth falling device of the needle thorn flower machine that the thorn flower required under the tensile state of cloth is guaranteed to good.

The utility model aims to realize the task that the cloth feeding and reversing device of the needle punching machine comprises a frame, a punching mechanism, a cloth stripping mechanism and a cloth supporting mechanism, wherein the frame comprises a first wall plate I, a second wall plate II, an upper beam and a base, the first wall plate I and the second wall plate II are arranged in a mutually face-to-face state, the upper beam is arranged on the upper part between the first wall plate I and the second wall plate II, the base is arranged on the lower part between the first wall plate I and the second wall plate II, the punching mechanism comprises a crank case, a needle beam and a needle board, the crank case is arranged on the upper beam, the needle beam is connected with the crank case at the position corresponding to the lower part of the crank case, the needle board is arranged below the length direction of the needle beam and is fixed with the needle beam, the cloth stripping mechanism comprises a cloth stripping plate and a cloth lifting device, the cloth stripping plate corresponds to the lower part of the length direction of the needle board and is connected with the cloth stripping plate lifting device, the cloth stripping plate lifting device is arranged on one side of the upper cross beam facing downwards, the cloth supporting mechanism comprises a cloth supporting plate and a cloth supporting plate lifting mechanism, the cloth supporting plate corresponds to the lower part of the length direction of the cloth stripping plate and is connected with the cloth supporting plate lifting device, the cloth supporting plate lifting device is arranged on the base, the cloth feeding and pouring device comprises a tension cloth guiding mechanism, a moving trolley, a composite cloth advancing and pouring mechanism and a composite cloth backward feeding and pouring mechanism, the tension cloth guiding mechanism is arranged on the front side of the rack in a left-right moving mode, the moving trolley is arranged above the base in a left-right moving mode, the composite cloth advancing and pouring mechanism is arranged on the front side of the moving trolley and corresponds to the tension cloth guiding mechanism, and the composite cloth backward feeding and pouring mechanism is arranged on the rear side of the moving trolley in a state corresponding to the rear side of the composite cloth advancing and pouring mechanism.

In a specific embodiment of the present invention, a cloth guiding frame upper supporting beam and a cloth guiding frame lower supporting beam are fixed at the front side of the frame and between the first wall plate i and the second wall plate ii, and the tension cloth guiding mechanism is arranged at the front side of the cloth guiding frame upper supporting beam and the cloth guiding frame lower supporting beam in a left-right movement manner; the moving trolley carries the composite cloth advancing and inverting mechanism and the composite cloth backward advancing and inverting mechanism, and the composite cloth advancing and inverting mechanism is in sliding fit with the pair of trolley left guide rails and the pair of trolley right guide rails and is connected with the tension cloth guiding mechanism.

In another specific embodiment of the present invention, the tension cloth guiding mechanism comprises a left cloth guiding bracket, a right cloth guiding bracket, a cloth guiding bracket connecting upper beam, a cloth guiding bracket connecting lower beam, a cloth roller, a torque motor, a pair of left cloth guiding bracket moving sliders and a pair of right cloth guiding bracket moving sliders, wherein the middle part and the lower part of the rear side of the left cloth guiding bracket are respectively fixed with the left end front side of the cloth guiding bracket connecting upper beam and the cloth guiding bracket connecting lower beam, the middle part and the lower part of the rear side of the right cloth guiding bracket are respectively fixed with the right end front side of the cloth guiding bracket connecting upper beam and the cloth guiding bracket connecting lower beam, the front side of the left cloth guiding bracket is fixed with a torque motor fixing plate at intervals from top to bottom in a horizontal cantilever state, the front side of the right cloth guiding bracket is fixed with a cloth supporting plate at intervals from top to bottom in a horizontal cantilever state, the number of the cloth rollers is equal to the number of the torque motor fixing plates and the positions are corresponding to each, the number of the torque motors is equal to that of the torque motor fixing plates and the torque motors are fixed on the left side of the torque motor fixing plates in a horizontal cantilever state, the torque motor shaft of the torque motor extends to the right side of the torque motor fixing plate and is connected with the left end of the cloth rolling shaft through a universal coupling of the torque motor shaft, the right end of the cloth scroll is rotatably supported on a cloth scroll supporting plate, a pair of left cloth leading bracket moving slide blocks are respectively fixed at the upper end and the middle part of the rear side of the left cloth leading bracket and are respectively in sliding fit with a left cloth leading bracket moving slide block guide rod, the left cloth guiding bracket moving slide block guide rod is fixed between the left cloth guiding bracket moving slide block guide rod fixing seats, the right cloth guiding bracket moving slide blocks are respectively fixed at the upper end and the middle part of the rear side of the right cloth guiding bracket and are respectively in sliding fit with the right cloth guiding bracket moving slide block guide rod, the right cloth leading bracket moving slide block guide rod is fixed between the pair of right cloth leading bracket moving slide block guide rod fixing seats; in the pair of left cloth guiding bracket moving slider guide rod fixing seats, one left cloth guiding bracket moving slider guide rod fixing seat corresponding to the upper end of the rear side of the left cloth guiding bracket is fixed with the front side of the left end of the upper supporting beam of the cloth guiding bracket, and one left cloth guiding bracket moving slider guide rod fixing seat corresponding to the middle part of the rear side of the left cloth guiding bracket is fixed with the front side of the left end of the lower supporting beam of the cloth guiding bracket; in the pair of right cloth guiding bracket moving slide block guide rod fixing seats, one right cloth guiding bracket moving slide block guide rod fixing seat corresponding to the upper end of the rear side of the right cloth guiding bracket is fixed with the front side of the right end of the upper supporting beam of the cloth guiding bracket, and the other right cloth guiding bracket moving slide block guide rod fixing seat corresponding to the middle part of the rear side of the right cloth guiding bracket is fixed with the front side of the right end of the lower supporting beam of the cloth guiding bracket; the composite cloth advancing and inverting mechanism is connected with the left cloth guiding bracket and the right cloth guiding bracket.

In still another specific embodiment of the present invention, a cloth roll supporting groove is formed on the cloth roll supporting plate and at a position corresponding to the cloth roll, a set of cloth roll supporting rollers is rotatably provided at the right side of the cloth roll supporting plate and at positions corresponding to the cloth roll supporting groove in a state of being distributed in a V-shape, and the right end of the cloth roll is in contact with the set of cloth roll supporting rollers at a position corresponding to the cloth roll supporting groove; a pair of lap anti-flee disks are arranged on the lap shaft.

In still another embodiment of the present invention, the traveling vehicle includes a cloth guide left sliding bottom plate, a cloth guide right sliding bottom plate, a pair of cloth guide coupling cross members, and a traveling vehicle driving device, a pair of cloth guide left sliding bottom plate sliders fixed to the bottom of the cloth guide left sliding bottom plate and at positions corresponding to the pair of left trolley guide rails, the pair of cloth guide left sliding bottom plate sliders being slidably fitted to the pair of left trolley guide rails, a pair of cloth guide right sliding bottom plate sliders fixed to the bottom of the cloth guide right sliding bottom plate and at positions corresponding to the pair of right trolley guide rails, the pair of cloth guide right sliding bottom plate sliders being slidably fitted to the pair of right trolley guide rails, the pair of cloth guide coupling cross members being parallel to each other in the front-rear direction and the left end of the pair of cloth guide coupling cross members being fixed to the bottom of the cloth guide left sliding bottom plate, and the right end of the pair of cloth guide coupling cross members being fixed to the bottom of the cloth guide right sliding bottom plate, the moving trolley driving device is arranged on one upward side of the right end of the base and is connected with the middle part of the right sliding bottom plate of the cloth guide frame; the composite cloth advancing and inverting mechanism is arranged between the front ends of the left and right sliding bottom plates of the cloth guide frame; the composite cloth backward-feeding cloth-reversing mechanism is arranged between the rear ends of the left and right sliding bottom plates of the cloth guide frame.

In yet another embodiment of the present invention, the driving device of the traveling carriage comprises a traveling carriage driving motor, a traveling carriage driving wheel, a traveling carriage driving driven wheel, a traveling carriage driving belt, a traveling carriage driving screw, and a traveling carriage driving screw nut, wherein the traveling carriage driving motor is a motor having a forward and reverse rotation function and is fixed to a traveling carriage driving motor base fixed to the rear side of the right end of the base, a traveling carriage driving motor shaft of the traveling carriage driving motor faces to the right, the traveling carriage driving wheel is fixed to the traveling carriage driving motor shaft, the left end and the right end of the traveling carriage driving screw are rotatably supported to the traveling carriage driving screw base fixed to the upward side of the base, and the traveling carriage driving driven wheel is fixed to the right end of the traveling carriage driving screw, one end of the moving trolley driving transmission belt is sleeved on the moving trolley driving wheel, the other end of the moving trolley driving transmission belt is sleeved on the moving trolley driving driven wheel, and the moving trolley driving screw nut is arranged in the middle of the moving trolley driving screw and connected with the middle position of the downward side of the cloth guide frame right sliding bottom plate.

In a more specific embodiment of the present invention, the composite cloth advancing and reversing mechanism includes a roller left supporting wall plate, a roller right supporting wall plate, a front cloth guiding roller set, a front cloth reversing roller set and a front cloth reversing roller driving device, the roller left supporting wall plate is fixed to an upward side of the front end of the cloth guiding frame left sliding bottom plate, and a left elastic connecting member is provided on the left side of the roller left supporting wall plate and connected to the upper end of the left cloth guiding frame, the roller right supporting wall plate is fixed to an upward side of the front end of the cloth guiding frame right sliding bottom plate in a state corresponding to the roller left supporting wall plate, and a right elastic connecting member is provided on the right side of the roller right supporting wall plate and connected to the upper portion of the right cloth guiding frame, the front cloth guiding roller set is rotatably supported between the forward sides of the roller left and right supporting wall plates, the forward cloth-reversing roller group is rotatably supported between the opposite sides of the rear ends of the left and right supporting wallboards of the roll shaft at a position corresponding to the rear side of the front cloth-reversing roller group, and the forward cloth-reversing roller driving device is arranged on the right supporting wallboard of the roll shaft and is in transmission connection with the forward cloth-reversing roller group.

In yet another specific embodiment of the present invention, the front cloth guide roller set includes a first, a second, a third front cloth guide roller and a fourth front cloth guide roller, each of the first, the second, the third front cloth guide roller and the fourth front cloth guide roller is rotatably supported between opposite sides of the front ends of the left and the right support wall plates of the roller shaft through a front cloth guide roller bearing, the first front cloth guide roller corresponds to the upper side of the third front cloth guide roller, the second front cloth guide roller corresponds to the lower side of the first front cloth guide roller and simultaneously corresponds to the upper side of the fourth front cloth guide roller; the advancing cloth-inverting roller group comprises a first advancing cloth-inverting roller, a second advancing cloth-inverting roller and a third advancing cloth-inverting roller which are respectively rotatably supported between the opposite sides of the rear ends of the left and right roll shaft supporting wallboards through an advancing cloth-inverting roller bearing, wherein the first advancing cloth-inverting roller corresponds to the rear side of the length direction of the second advancing cloth-inverting roller, the third advancing cloth-inverting roller corresponds to the lower part between the length directions of the first and second advancing cloth-inverting rollers, the left roll shaft head of the first advancing cloth-inverting roller extends to the left side of the left roll shaft supporting wallboard and is fixed with a first advancing cloth-inverting roller shaft head transmission gear, the right roll shaft head of the first advancing cloth-inverting roller extends to the right side of the right roll shaft supporting wallboard, the left roll shaft head of the second advancing cloth-inverting roller extends to the left side of the left roll shaft supporting wallboard and is fixed with a second advancing cloth-inverting roller transmission gear, a roll shaft left shaft head of the third forward cloth reversing roll extends to the left side of the roll shaft left supporting wallboard and is fixedly provided with a third forward cloth reversing roll shaft head transmission gear which is simultaneously meshed with the first forward cloth reversing roll shaft head transmission gear and the second forward cloth reversing roll shaft head transmission gear; the forward cloth-pouring roller driving device comprises a forward cloth-pouring roller driving motor, a forward cloth-pouring roller driving wheel, a forward cloth-pouring roller driving driven wheel and a forward cloth-pouring roller driving transmission belt, wherein the forward cloth-pouring roller is fixed on the upper portion of the left side of the rear end of the roller shaft right supporting wallboard in a horizontal cantilever state, a forward cloth-pouring roller driving motor shaft of the forward cloth-pouring roller driving motor extends to the right side of the rear end of the roller shaft right supporting wallboard, the forward cloth-pouring roller driving wheel is fixed on a forward cloth-pouring roller driving motor shaft, the forward cloth-pouring roller driving driven wheel is fixed on the right shaft head of the roller shaft of the first forward cloth-pouring roller, one end of the forward cloth-pouring roller driving transmission belt is sleeved on the forward cloth-pouring roller driving wheel, and the other end of the forward; the forward cloth-reversing roller driving motor is a motor with a forward and reverse rotation function.

In yet another specific embodiment of the present invention, the composite cloth backward-feeding mechanism comprises a roller spindle head left supporting wall plate, a roller spindle head right supporting wall plate, a backward cloth-guiding roller set, a backward cloth-guiding roller driving device and a backward cloth-guiding roller driving motor, wherein the roller spindle head left supporting wall plate is fixed to an upward side of a rear end of the cloth-guiding roller frame sliding bottom plate, the roller spindle head right supporting wall plate is fixed to an upward side of a rear end of the cloth-guiding roller frame sliding bottom plate in a state corresponding to the roller spindle head left supporting wall plate, the backward cloth-guiding roller set is rotatably supported between the forward sides of the roller spindle head left and right supporting wall plates in a position corresponding to a rear side of the backward cloth-guiding roller set, the backward cloth-guiding roller driving device is disposed on the roller spindle head right supporting wall plate and is in driving connection with the backward cloth-guiding roller set, and the rear cloth reversing roller driving motor is fixed on the right side of the rear end of the right supporting wallboard of the shaft head of the roll shaft and is in transmission connection with the rear cloth reversing roller group.

In yet another specific embodiment of the present invention, the rear cloth guide roller set includes a first rear cloth guide roller, a second rear cloth guide roller and a third rear cloth guide roller, the first rear cloth guide roller, the second rear cloth guide roller and the third rear cloth guide roller are rotatably supported by a rear cloth guide roller bearing between the front opposite sides of the left and right supporting wallboards of the roller shaft head, the first rear cloth guide roller corresponds to the front of the length direction of the second rear cloth guide roller, the third rear cloth guide roller corresponds to the lower side between the length directions of the first rear cloth guide roller and the second rear cloth guide roller, the left shaft head of the first rear cloth guide roller extends to the left side of the left supporting wallboards of the roller shaft head and is fixed with a first rear cloth guide roller head gear, the left shaft head of the second rear cloth guide roller extends to the left side of the left supporting wallboards of the roller shaft head and is fixed with a second rear cloth guide roller head gear, the left shaft head of the third rear cloth guide roller extends to the left side of the left supporting wallboards and is fixed with a second rear cloth guide roller head gear A third rear cloth guide roller gear simultaneously meshed with the first rear cloth guide roller gear and the second rear cloth guide roller gear; the rear cloth-feeding and reversing roller group comprises a first rear cloth-feeding and reversing roller and a second rear cloth-feeding and reversing roller, the first rear cloth-feeding and reversing roller and the second rear cloth-feeding and reversing roller are respectively and rotatably supported between the opposite sides of the rear ends of the left and right supporting wallboards of the shaft head of the roller shaft through rear cloth-feeding roller bearings, the first rear cloth-feeding and reversing roller corresponds to the lower part of the length direction of the second rear cloth-feeding and reversing roller, and the second rear cloth-feeding and reversing roller corresponds to the rear part of the second rear cloth-guiding roller; the rear cloth guide roller driving device comprises a rear cloth guide roller driving motor, a rear cloth guide roller driving wheel, a rear cloth guide roller driving driven wheel and a rear cloth guide roller driving transmission belt, the rear cloth guide roller driving motor is fixed on the upper portion of the left side of the front end of the roller shaft head right supporting wallboard in a horizontal cantilever state, a rear cloth guide roller driving motor shaft of the rear cloth guide roller driving motor extends to the right side of the roller shaft head right supporting wallboard, the rear cloth guide roller driving wheel is fixed on a rear cloth guide roller driving motor shaft, the rear cloth guide roller driving driven wheel is fixed on a first rear cloth guide roller right shaft head of a first rear cloth guide roller, one end of the rear cloth guide roller driving transmission belt is sleeved on the rear cloth guide roller driving wheel, and the other end of the rear cloth guide roller driving driven wheel is sleeved on the rear; the rear cloth-feeding cloth-reversing roller driving motor is in transmission connection with a rear cloth-feeding cloth-reversing roller right shaft head of the first rear cloth-feeding cloth-reversing roller; the rear cloth guide roller driving motor is a servo motor with a positive and negative rotation function; the driving motor of the rear cloth reversing roller is a torque motor.

The technical scheme provided by the utility model the technical effect lie in: because the tension cloth leading mechanism is arranged on the front side of the frame in a left-right moving manner, the cloth synchronously withdrawn from the cloth roll can be mutually overlapped to form composite cloth and the embroidering mechanism is led to perform embroidering under the state of ensuring good cloth feeding tension; because the moving trolley and the composite cloth forward and backward cloth-reversing mechanism which takes the moving trolley as a carrier move left and right as required, and because the composite cloth forward and backward cloth-reversing mechanism makes the composite cloth move back and forth, the tattooing requirement can be met.

Drawings

Fig. 1 is a schematic view of a cloth feeding and reversing device of the needle-punched embroidery machine of the present invention.

Fig. 2 is a detailed structural view of the tension cloth guiding mechanism shown in fig. 1.

Fig. 3 is a detailed structure diagram of the movable trolley shown in fig. 1, together with the front and rear cloth reversing mechanisms of the composite cloth loaded thereon, in sliding fit with the base.

Fig. 4 is a detailed structure view of the composite cloth forward and backward reversing mechanism shown in fig. 1 and 3, which is arranged on the moving trolley.

Fig. 5 is a schematic view of the present invention facing forward in the use state.

Fig. 6 is a schematic view of the present invention facing backward in a use state.

Fig. 7 is a schematic view of the present invention viewed from the right side in the use state.

Detailed Description

In the following description, the applicant defines the left side of the position state shown in fig. 1 as the front side and the right side of the position state shown in fig. 1 as the rear side because the operator is located at the left side of the position shown in fig. 1 in the actual use state of the present invention, and therefore all the following directional or orientational concepts such as front, rear, left and right are assumed. Furthermore, the expressions "upper, lower, left, right, front and rear directional terms" are not to be construed as limiting the present invention according to the common general knowledge.

Referring to fig. 1, 5 and 7, there are shown a frame 1, a embroidering mechanism 2, a cloth peeling mechanism 3 and a cloth supporting mechanism 4 of a structural system of a needle punching embroidering machine, wherein the frame 1 includes a first wall plate i 11, a second wall plate ii 12, an upper beam 13 and a base 14, the first wall plate i 11 and the second wall plate ii 12 are disposed in a state of facing each other, that is, the first wall plate i 11 and the second wall plate ii 12 are disposed in a state of corresponding left and right to each other, the upper beam 13 is disposed at an upper portion between the first wall plate i 11 and the second wall plate ii 12, the base 14 is disposed at a lower portion between the first wall plate i 11 and the second wall plate ii 12, the embroidering mechanism 2 includes a crank case 21, a needle beam 22 and a needle board 23, the crank case 21 is disposed on the upper beam 13, the needle beam 22 is connected to the crank case 21 at a position corresponding to a lower portion of the crank case 21, the needle board 23 is located below the needle beam 22 in a longitudinal direction and fixed to the needle beam 22, the cloth peeling mechanism 3 comprises a cloth peeling plate 31 and a cloth peeling plate lifting device 32, the cloth peeling plate 31 corresponds to the lower part of the length direction of the needle plate 23 and is connected with the cloth peeling plate lifting device 32, the cloth peeling plate lifting device 32 is arranged on the downward side of the upper cross beam 13, the cloth supporting mechanism 4 comprises a cloth supporting plate 41 and a cloth supporting plate lifting mechanism 42, the cloth supporting plate 41 corresponds to the lower part of the length direction of the cloth peeling plate 31 and is connected with the cloth supporting plate lifting device 42, and the cloth supporting plate lifting device 42 is arranged on the base 14.

Since the structure of the frame 1 of the structural system of the needle-punching jacquard machine is basically the same as that of the needle-punching machine of the prior art, since the needle-punching mechanism 2 is basically the same as that of the needle-punching machine, and since the cloth peeling mechanism 3 and the cloth supporting mechanism 4 are basically the same as those of the needle-punching machine, for example, in addition to the patents mentioned in the above background art column by the applicant, reference may be made to, for example, CN108085875A (structurally improved jacquard-raising needle-punching machine) and CN108179552A (jacquard-raising needle-punching machine), etc., the applicant will not be further described.

The utility model discloses a do the technical essential advance cloth pouring device's structural system's a tension and draw cloth mechanism 5, a travelling car 6, a compound cloth advances behind cloth pouring mechanism 7 and the compound cloth and advance cloth pouring mechanism 8, tension draws cloth mechanism 5 to remove and removes the ground and set up the front side in aforementioned frame 1, travelling car 6 removes the ground and sets up the top at aforementioned base 14 with removing, compound cloth advances cloth pouring mechanism 7 and sets up at the front side of travelling car 6 and draws cloth mechanism 5 corresponding with aforementioned tension, cloth pouring mechanism 8 sets up the rear side at travelling car 6 under the state corresponding to the rear side that compound cloth advances cloth pouring mechanism 7 behind the compound cloth.

Referring to fig. 4 and continuing to fig. 1, 5 and 7, a cloth guiding frame upper supporting beam 15a and a cloth guiding frame lower supporting beam 15b are fixed on the front side of the frame 1 and between the opposite sides of the first wall plate i 11 and the second wall plate ii 12, and the tension cloth guiding mechanism 5 is arranged on the front sides of the cloth guiding frame upper supporting beam 15a and the cloth guiding frame lower supporting beam 15b in a left-right moving manner; a pair of left cart guide rails 141 are provided on the upward side of the left end of the base 14, a pair of right cart guide rails 142 are provided on the upward side of the right end of the base 14, the pair of right cart guide rails 142 correspond to the pair of left cart guide rails 141, the traveling cart 6 carries the composite cloth forward-moving and back-moving mechanism 7 and the composite cloth backward-moving and back-moving mechanism 8, and the pair of left cart guide rails 141 and the pair of right cart guide rails 142 are slidably engaged with each other, and the composite cloth forward-moving and back-moving mechanism 7 is connected to the tension cloth guiding mechanism 5.

As shown in fig. 1 to 3, 5 and 7, a support beam cover plate 15c is fixed between the front sides corresponding to the above-described upper support beam 15a and lower support beam 15b of the cloth guide. As shown in fig. 4, the pair of left cart guide rails 141 are respectively fixed on the upper portion of the left cart guide rail base 1411, and the left cart guide rail base 1411 is fixed to the upward side of the left end of the base 14; the pair of right cart guide rails 142 are each fixed to the upper portion of the right cart guide rail mount 1421, and the right cart guide rail mount 1421 is fixed to the upward side of the right end of the base 14.

Referring to fig. 2 to 3 and with continued reference to fig. 1, 5 and 7, the tension cloth guiding mechanism 5 includes a left cloth guiding bracket 51, a right cloth guiding bracket 52, a cloth guiding bracket connecting upper beam 53, a cloth guiding bracket connecting lower beam 54, a cloth winding shaft 55, a torque motor 56, a pair of left cloth guiding bracket moving sliders 57 and a pair of right cloth guiding bracket moving sliders 58, wherein the rear middle part and the lower part of the left cloth guiding bracket 51 are respectively fixed to the left end front side of the cloth guiding bracket connecting upper beam 53 and the cloth guiding bracket connecting lower beam 54, the rear middle part and the lower part of the right cloth guiding bracket 52 are respectively fixed to the right end front side of the cloth guiding bracket connecting upper beam 53 and the cloth guiding bracket connecting lower beam 54, torque motor fixing plates 511 are fixed to the front side of the left cloth guiding bracket 51 at intervals from top to bottom in a horizontal cantilever state, a cloth winding shaft supporting plate 521 is fixed to the front side of the right cloth guiding bracket 52 at intervals from top to bottom in a horizontal cantilever state, the number of the cloth winding shaft supporting plates 521 is equal to the number of the torque motor fixing plates 511 and the positions thereof correspond to each other, the number of the torque motors 56 is equal to the number of the torque motor fixing plates 511 and is fixed on the left side of the torque motor fixing plates 511 in a horizontal cantilever state, the torque motor shafts of the torque motors 56 are extended to the right side of the torque motor fixing plates 511 and are connected to the left end of the cloth winding shaft 55 through the torque motor shaft universal couplings 561, the right end of the cloth winding shaft 55 is rotatably supported on the cloth winding shaft supporting plates 521, a pair of left cloth guide moving sliders 57 are fixed to the rear upper end and the middle portion of the left cloth guide bracket 51 and are slidably engaged with a left cloth guide moving slider guide 571, a left cloth guide moving slider 571 is fixed between a pair of left cloth guide moving slider fixing seats 5711, a pair of right cloth guide moving sliders 58 are fixed to the rear upper end and the middle portion of the right cloth guide bracket 52 and are moved with a right cloth guide bracket The moving slider guide 581 is slidably engaged with the right cloth guide moving slider guide 581 fixed between a pair of right cloth guide moving slider guide fixing seats 5811.

Of the pair of left cloth guide holder moving slider guide holder 5711, one left cloth guide holder moving slider guide holder corresponding to the rear upper end of the left cloth guide holder 51 is fixed to the left front end of the cloth guide holder upper support beam 15a via the support beam seal plate 15c, and one left cloth guide holder moving slider guide holder corresponding to the rear middle part of the left cloth guide holder 51 is fixed to the left front end of the cloth guide holder lower support beam 15b via the support beam seal plate 15 c; in the pair of right cloth guide holder moving slider guide holder 5811, a right cloth guide holder moving slider guide holder corresponding to the rear upper end of the right cloth guide holder 52 is fixed to the right front side of the upper support beam 15a of the cloth guide holder via a support beam seal plate 15c, and a right cloth guide holder moving slider guide holder corresponding to the rear middle part of the right cloth guide holder 52 is fixed to the right front side of the lower support beam 15b of the cloth guide holder via a support beam seal plate 15 c; the composite cloth advancing and inverting mechanism 7 is connected to the left cloth guide holder 51 and the right cloth guide holder 52.

As shown in fig. 1 to 3, 5 and 7, since the number of the torque motor fixing plate 511 and the cloth reel supporting plate 521 of the present embodiment is three, the number of the torque motors 56 is three, and the number of the corresponding cloth reels 55 is three to satisfy the cloth unwinding and feeding requirements for three cloth rolls 10 of different colors. However, obviously, the number of the composite cloth layers formed by leading (i.e. withdrawing) the composite cloth from the cloth roll 10 can be increased by increasing the number of the torque motor fixing plates 511 and the cloth roll supporting plates 521 according to the requirement, for example, to increase the number of the torque motors 56 and the cloth rolls 55 correspondingly, so as to increase the number of the cloth rolls 10.

In the present embodiment, a cloth unwinding cloth guide roller 16 is rotatably provided on the front side of the frame 1 at a position corresponding to the rear lower end of the torque motor fixing plate 511 and the cloth spool support plate 521, and the cloth drawn from the lowermost one of the three shown cloth rolls 10 is guided by the cloth unwinding cloth guide roller 16 to a composite cloth advancing side cloth mechanism 7, which will be described in detail below.

A cloth roll supporting groove 5211 formed in a semicircular shape at a position corresponding to the cloth roll 55 on the cloth roll supporting plate 521, a set of cloth roll supporting rollers 5212 rotatably provided at the right side of the cloth roll supporting plate 521 and at positions corresponding to the cloth roll supporting groove 5211 in a V-shaped or triangular distribution, and the right end of the cloth roll 55 contacting the set of cloth roll supporting rollers 5212 at a position corresponding to the cloth roll supporting groove 5211; the cloth roll shaft 55 is provided with a pair of cloth roll movement preventing plates 551.

The above-mentioned distribution in a V-shape or in a triangle means: one each of the cloth beam support rollers 5212 is provided at a position corresponding to both side portions of the cloth beam support groove 5211, and one each of the cloth beam support rollers 5212 is provided at a position corresponding to the bottom side portion of the cloth beam support groove 5211, whereby the number of the cloth beam support rollers 5212 in one set is three.

Referring to fig. 3 and 4, the aforementioned traveling carriage 6 includes a cloth guide left sliding bottom plate 61, a cloth guide right sliding bottom plate 62, a pair of cloth guide coupling cross members 63, and a traveling carriage driving device 64, a pair of cloth guide left sliding bottom plate sliders (not shown) fixed to the bottom of the cloth guide left sliding bottom plate 61 and at positions corresponding to the aforementioned pair of carriage left guide rails 141, the pair of cloth guide left sliding bottom plate sliders being slidably fitted to the pair of carriage left guide rails 141, a pair of cloth guide right sliding bottom plate sliders 621 fixed to the bottom of the cloth guide right sliding bottom plate 62 and at positions corresponding to the aforementioned pair of carriage right guide rails 42, the pair of cloth guide right sliding bottom plate sliders 621 being slidably fitted to the pair of carriage right guide rails 142, the pair of cloth guide coupling cross members 63 being parallel to each other in front and rear and left ends of the pair of cloth guide coupling cross members 63 being fixed to the bottom of the cloth guide left sliding bottom plate 61, the right ends of the pair of cloth guide frame connecting beams 63 are fixed with the bottom of the cloth guide frame right sliding bottom plate 62, and the moving trolley driving device 64 is arranged on one upward side of the right end of the base 14 and is connected with the middle part of the cloth guide frame right sliding bottom plate 62; the composite cloth advancing and inverting mechanism 7 is arranged between the front ends of the left and right sliding bottom plates 61 and 62 of the cloth guide frame; the composite cloth backward-feeding cloth-reversing mechanism 8 is disposed between the rear ends of the left and right slide bases 61, 62 of the cloth guide frame.

The applicant needs to state that: since the structure of the pair of cloth guide frame left sliding bottom plate sliders mentioned above and not shown in the drawings is identical to the structure and function of the pair of cloth guide frame right sliding bottom plate sliders 621, although not shown in the drawings, it will not confuse understanding of the present invention.

Still referring to fig. 3 and 4, the aforementioned traveling carriage driving device 64 includes a traveling carriage driving motor 641, a traveling carriage driving wheel 642, a traveling carriage driving driven wheel 643, a traveling carriage driving belt 644, a traveling carriage driving screw 645 and a traveling carriage driving screw nut 646, the traveling carriage driving motor 641 is a motor having a forward and reverse rotation function and is fixed to a traveling carriage driving motor mount 6411, and the traveling carriage driving motor mount 6411 is fixed to the rear side of the right end of the aforementioned base 14, a traveling carriage driving motor shaft 6412 of the traveling carriage driving motor 641 is directed rightward, the traveling carriage driving wheel 642 is fixed to a traveling carriage driving motor shaft 6412, the left and right ends of the traveling carriage driving screw 645 are each rotatably supported on a traveling carriage driving screw mount 6451, and the traveling carriage driving screw mount 6451 is fixed to the upward-facing side of the aforementioned base 14, a traveling carriage driving driven wheel 643 is fixed to the right end of the traveling carriage driving screw 645, one end of a traveling carriage driving belt 644 is fitted over the traveling carriage driving wheel 642, the other end is fitted over the traveling carriage driving driven wheel 643, and a traveling carriage driving screw nut 646 is disposed in the middle of the traveling carriage driving screw 645 and connected to the center of the downward side of the cloth guide right slide base 62. As shown in fig. 4, a set of nut connecting screw holes 622 is formed in the middle of the left cloth guide frame sliding bottom plate 62, the above-mentioned moving trolley driving screw nuts 646 are connected by screws, and the screws are connected with the right cloth guide frame sliding bottom plate 62 at positions corresponding to the nut connecting screw holes 622.

Referring to fig. 3 to 4 in addition to fig. 1 to 2, 5 and 7, the composite fabric advancing and reversing mechanism 7 includes a roller shaft left supporting wall plate 71, a roller shaft right supporting wall plate 72, a front fabric guiding roller set 73, an advancing and reversing roller set 74 and an advancing and reversing roller driving device 75, the roller shaft left supporting wall plate 71 is fixed to the upward side of the front end of the fabric guiding frame left sliding bottom plate 61, a left elastic connecting member 711 is provided on the left side of the roller shaft left supporting wall plate 71, the left elastic connecting member 711 is connected to the left side of the upper end of the left fabric guiding frame 51, the roller shaft right supporting wall plate 72 is fixed to the upward side of the front end of the fabric guiding frame right sliding bottom plate 62 in a state corresponding to the roller shaft left supporting wall plate 71, a right elastic connecting member 721 is provided on the right side of the roller shaft right supporting wall plate 72, the right elastic connecting member 721 is connected to the right side of the upper end of the right fabric guiding frame, the front cloth guide roller group 73 is rotatably supported between front end facing sides of the left and right roll shaft supporting wall plates 71, 72, the front cloth reversing roller group 74 is rotatably supported between rear end facing sides of the left and right roll shaft supporting wall plates 71, 72 at a position corresponding to a rear side of the front cloth guide roller group 73, and the front cloth reversing roller driving device 75 is provided on the right roll shaft supporting wall plate 72 and is in driving connection with the front cloth reversing roller group 74.

In the present embodiment, the left elastic link 711 and the right elastic link 721 are both tension springs, but if other components equivalent to the tension springs are used, the technical scope of the present invention should be considered.

Preferably, a plurality of, for example, two or three support pipes 76 and support rods 77 are provided between the left and right support wall plates 71, 72 of the roll shaft to improve the overall connection and good integrity of the left and right support wall plates 71, 72 of the roll shaft.

The aforementioned leading fabric roller group 73 includes first, second, third leading fabric rollers 731, 732, 733 and a fourth leading fabric roller 734, the first, second, third leading fabric rollers 731, 732, 733 and the fourth leading fabric roller 734 are each rotatably supported between the front end facing sides of the aforementioned roll shaft left and right supporting wall plates 71, 72 through leading fabric roller bearings, the first leading fabric 731 corresponds to the side upper side of the third leading fabric roller 733, the second leading fabric roller 732 corresponds to the side lower side of the first leading fabric roller 731 and simultaneously corresponds to the side upper side of the fourth leading fabric roller 734; the aforementioned forward clother reversing group 74 includes a first forward clother 741, a second forward clother reversing roller 742 and a third forward clother reversing roller 743, the first, second forward clother reversing rollers 741, 742 and the third forward clother reversing roller 743 are respectively rotatably supported between the rear end facing sides of the aforementioned roll shaft left and right supporting wall boards 71, 72 through a forward clother bearing, wherein the first forward clother reversing roller 741 corresponds to the rear side of the length direction of the second forward clother reversing roller 742, the third forward clother reversing roller 743 corresponds to the lower side between the length directions of the first and second forward clother reversing rollers 741, 742, the roll shaft left shaft head of the first forward clother reversing roller 741 extends to the left side of the aforementioned roll shaft left supporting wall board 71 and is fixed with a first forward clother shaft head transmission gear 11, the roll shaft right shaft head of the first forward clother reversing roller 741 extends to the right side of the aforementioned roll shaft right supporting wall board 741, the roll shaft left shaft head of the second forward clother reversing roller 742 extends to the left side of the left supporting wall board 71 and is fixed with a second forward clother shaft head 7411 A forward feed cloth inverting shaft head drive gear 7421, a roller shaft left shaft head of the third forward feed cloth inverting roller 743 extends to the left side of the roller shaft left support wall plate 71 and a third forward feed cloth inverting shaft head drive gear 7431 is fixed, the third forward feed cloth inverting shaft head drive gear 7431 is simultaneously meshed with the first forward feed cloth inverting shaft head drive gear 7411 and the second forward feed cloth inverting shaft head drive gear 7421.

The forward cloth inverting roller driving device 75 includes a forward cloth inverting roller driving motor 751, a forward cloth inverting roller driving wheel 752, a forward cloth inverting roller driving driven wheel 753 and a forward cloth inverting roller driving transmission belt 754, wherein the forward cloth inverting roller 751 is fixed on the left upper portion of the rear end of the roller shaft right supporting wall plate 72 in a horizontal cantilever state, a forward cloth inverting roller driving motor shaft 7511 of the forward cloth inverting roller driving motor 751 extends to the right side of the rear end of the roller shaft right supporting wall plate 72, the forward cloth inverting roller driving wheel 752 is fixed on the forward cloth inverting roller driving motor shaft 7511, the forward cloth inverting roller driving driven wheel 753 is fixed on the right shaft head of the roller shaft of the first forward cloth inverting roller 741, one end of the forward cloth inverting roller driving transmission belt 754 is sleeved on the forward cloth inverting roller driving wheel 752, and the other end is sleeved on the forward cloth inverting roller driving driven wheel 753; the forward feed reversing roller driving motor 751 is a motor having a forward and reverse rotation function.

When the forward cloth-reversing roller driving motor 751 works, the forward cloth-reversing roller driving motor shaft 7511 drives the forward cloth-reversing roller driving wheel 752, the forward cloth-reversing roller driving driven wheel 753 is driven by the forward cloth-reversing roller driving belt 754, the first forward cloth-reversing roller 741 is driven by the forward cloth-reversing roller driving driven wheel 753, the third forward cloth-reversing roller spindle head transmission gear 7431 is driven by the first forward cloth-reversing roller spindle head transmission gear 7411, the third forward cloth-reversing roller spindle head transmission gear 7431 drives the third forward cloth-reversing roller 743 and simultaneously drives the second forward cloth-reversing roller spindle head transmission gear 7421, and the second forward cloth-reversing roller spindle head transmission gear 7421 drives the second forward cloth-reversing roller 742. Since the forward feed reversing roller driving motor 751 is a motor having a forward/reverse rotation function, the rotation directions of the first, second, and third forward feed reversing rollers 741, 742, 743 can be made to exhibit forward rotation or reverse rotation, that is, clockwise rotation or counterclockwise rotation. In actual use, the forward rotation and the reverse rotation are repeatedly and alternately performed, so that the three layers of composite cloth, which is drawn in from the three cloth rolls 10 and is withdrawn from the cloth rolls 10, are alternately displaced back and forth.

Referring to fig. 6 in greater detail in conjunction with fig. 3 and 4, the composite cloth rear cloth reversing mechanism 8 includes a roller shaft head left support wall plate 81, a roller shaft head right support wall plate 82, a rear cloth guide roller group 83, a rear cloth reversing roller group 84, a rear cloth guide roller driving device 85, and a rear cloth reversing roller driving motor 86, the roller shaft head left support wall plate 81 being fixed to the upward side of the rear end of the cloth guide roller frame slide floor 61, the roller shaft head right support wall plate 82 being fixed to the upward side of the rear end of the cloth guide roller frame slide floor 62 in a state corresponding to the roller shaft head left support wall plate 81, the rear cloth guide roller group 83 being rotatably supported between the upward sides of the front ends of the roller shaft head left and right support wall plates 81, 82, the rear cloth reversing roller group 84 being rotatably supported between the upward sides of the rear ends of the roller shaft head left and right support wall plates 81, 82 at a position corresponding to the rear side of the rear cloth guide roller group 83, the rear cloth guide roller driving device 85 is arranged on the roller shaft head right supporting wall plate 82 and is in transmission connection with the rear cloth guide roller group 83, and the rear cloth reversing roller driving motor 86 is fixed on the right side of the rear end of the roller shaft head right supporting wall plate 82 and is in transmission connection with the rear cloth reversing roller group 84.

Preferably, a wall plate reinforcing tube 87 is provided between the left and right support wall plates 81, 82 at the roller axle head, the wall plate reinforcing tube 87 functioning as described above for the support tube 76 and support rod 77.

The rear guide roller group 83 includes first and second rear guide rollers 831 and 832 and a third rear guide roller 833, the first and second rear guide rollers 831 and 832 and the third rear guide roller 833 are rotatably supported between front end facing sides of the roller shaft head left and right support panels 81 and 82 through respective rear guide roller bearings, the first rear guide roller 831 corresponds to a front of a length direction of the second rear guide roller 832, the third rear guide roller 833 corresponds to a lower side between the length directions of the first and second rear guide rollers 831 and 832, a first rear guide roller left shaft head 811 of the first rear guide roller 831 extends to a left side of the roller shaft head left support panel 81 and is fixed with a first rear guide roller gear 83111, a second rear guide roller left shaft head 8321 of the second rear guide roller extends to a left side of the roller shaft head left support panel 81 and is fixed with a second rear guide roller gear 83211, a third rear cloth guide roller left shaft head 8331 of the third rear cloth guide roller 833 extends to the left side of the aforementioned roller shaft head left support wall plate 81 and a third rear cloth guide roller gear 83311 is fixed, and the third rear cloth guide roller gear 83311 is engaged with the aforementioned first rear cloth guide roller gear 83111 and second rear cloth guide roller gear 83211 at the same time.

The rear cloth reversing roller group 84 includes a first rear cloth reversing roller 841 and a second rear cloth reversing roller 842, the first rear cloth reversing roller 841 and the second rear cloth reversing roller 842 are each rotatably supported by a rear cloth reversing roller bearing between the rear end-facing sides of the roller shaft head left and right support wall plates 81 and 82, the first rear cloth reversing roller 841 corresponds to the lower side of the second rear cloth reversing roller 842 in the length direction, and the second rear cloth reversing roller 842 corresponds to the rear side of the second rear cloth guiding roller 832.

The rear cloth guide roller driving device 85 includes a rear cloth guide roller driving motor 851, a rear cloth guide roller driving wheel 852, a rear cloth guide roller driving driven wheel 853 and a rear cloth guide roller driving transmission belt 854, the rear cloth guide roller driving motor 851 is fixed to the upper portion of the left side of the front end of the roller shaft head right supporting wall plate 82 in a horizontal cantilever state, a rear cloth guide roller driving motor shaft 8511 of the rear cloth guide roller driving motor 851 extends to the right side of the roller shaft head right supporting wall plate 82, the rear cloth guide roller driving wheel 852 is fixed to the rear cloth guide roller driving motor shaft 8511, the rear cloth guide roller driving driven wheel 853 is fixed to a first rear cloth guide roller right shaft head 8312 of the first rear cloth guide roller 831, one end of the rear cloth guide roller driving transmission belt 854 is sleeved on the rear cloth guide roller driving wheel 852, and the other end is sleeved on the rear cloth guide roller driving driven wheel 853.

The rear cloth-reversing roller driving motor 86 is in transmission connection with a right shaft head of the rear cloth-reversing roller of the first rear cloth-reversing roller 841; the rear cloth guide roller driving motor 851 is a servo motor having a forward and reverse rotation function; the rear feed reversing roller drive motor 86 is a torque motor.

As shown in fig. 6, the second rear cloth inverting roller left spindle head and the second rear cloth inverting roller right spindle head of the second rear cloth inverting roller 842 are rotatably supported on the rear cloth inverting roller bearing seat 8421 through the rear cloth inverting roller bearing, and the upper portion of the rear cloth inverting roller bearing seat 8421 is connected with an adjusting bolt 84211, taking the rear cloth inverting roller bearing seat 8421 on the roller spindle head left supporting wall plate 81 as an example, the upward or downward adjustment of the rear cloth inverting roller bearing seat 8421 can be realized by adjusting the adjusting bolt 84211 up and down on the roller spindle head left supporting wall plate 81, and the second rear cloth inverting roller 842 is driven correspondingly upward or downward; the third rear cloth guide 823 is also adjustable in vertical displacement, and its principle is similar to that of the second rear cloth reversing roller 842, and thus is not described again.

When the rear cloth guide roller driving motor 851 operates, the rear cloth guide roller driving motor shaft 8511 drives the rear cloth guide roller driving wheel 852, the rear cloth guide roller driving driven wheel 853 is driven by the rear cloth guide roller driving belt 854, the first rear cloth guide roller 831 is driven by the rear cloth guide roller driving driven wheel 853, the third rear cloth guide roller gear 83311 is driven by the first rear cloth guide roller gear 83111 on the first rear cloth guide roller left spindle head 8311 fixed to the first rear cloth guide roller 831, and the third rear cloth guide roller gear 83311 drives the third rear cloth guide roller left spindle head 8331 to rotate the third rear cloth guide roller 833. At the same time, the second rear cloth guide roller gear 83211 is driven by the third rear cloth guide roller gear 83311, and the second rear cloth guide roller shaft head 8321 is driven by the second rear cloth guide roller gear 83211 to rotate the second rear cloth guide roller 832. Since the rear cloth guide roller driving motor 851 has a forward/reverse rotation function, the rotation directions of the first, second, and third rear cloth guide rollers 831, 832, 833 are expressed as forward/reverse rotations, that is, clockwise/counterclockwise rotations. In actual use, the forward rotation and the reverse rotation are repeatedly and alternately performed and are consistent with the rotation direction of the forward cloth-reversing roller driving motor 751, so that the three-layer composite cloth introduced by the three cloth rolls 10 in the figure is alternately displaced back and forth.

In the operation of the rear cloth guide roller driving motor 851, the rear cloth inverting roller driving motor 86 is also in an operating state to ensure that the first rear cloth inverting roller 841 rotates to maintain a good tension of the composite cloth.

When the above-mentioned traveling carriage driving motor 641 operates, the traveling carriage driving motor shaft 6412 drives the traveling carriage driving wheel 642, the traveling carriage driving wheel 642 drives the traveling carriage driving driven wheel 643 through the traveling carriage driving transmission belt 644, the traveling carriage driving driven wheel 643 drives the traveling carriage driving screw 645, the traveling carriage driving screw 645 drives the traveling carriage driving screw nut 646, the traveling carriage driving screw nut 646 drives the cloth guide frame right slide base plate 62, and since the cloth guide frame left and right slide base plates 61, 62 are coupled by the pair of cloth guide frame coupling cross beams 63, the cloth guide frame left slide base plate 61 moves along with the cloth guide frame right slide base plate 62. The method comprises the following steps: the cloth guide frame left sliding bottom plate 61 slides along the pair of trolley left guide rails 141 through a pair of cloth guide frame left sliding bottom plate sliding blocks, and meanwhile, the cloth guide frame right sliding bottom plate 62 slides along the pair of trolley right guide rails 142 through a pair of cloth guide frame right sliding bottom plate sliding blocks, because the whole composite cloth advancing and inverting mechanism 7 and the composite cloth backward advancing and inverting mechanism 8 are both arranged by taking the moving trolley 6 as a carrier, namely are respectively arranged at the front end and the rear end between the cloth guide frame left and right sliding bottom plates 61 and 62, when the cloth guide frame left and right sliding bottom plates 61 and 62 move left and right, the composite cloth forward and backward inverting mechanisms 7 and 8 are driven to correspondingly move, so that the composite cloth 101 (marked in figure 7) passing through the composite cloth forward and backward inverting mechanisms 7 and 8 correspondingly moves. In the process that the moving trolley 6 drives the composite cloth forward and backward reversing mechanisms 7 and 8 to move left and right, the left and right elastic connecting pieces 711 and 721 respectively arranged on the left and right supporting wall plates 71 and 72 of the roll shafts are respectively connected with the left and right cloth guiding brackets 51 and 52 of the structural system of the tension cloth guiding mechanism 5, so that the whole tension cloth guiding mechanism 5 can be driven to correspondingly slide along the pair of left and right cloth guiding bracket moving slide block guide rods 571 and 581. The traveling carriage 6 moves leftward or rightward depending on the clockwise or counterclockwise operation state of the aforementioned traveling carriage drive motor 641.

The applicant briefly describes the working process of the present invention with reference to fig. 1 to 7, in this embodiment, three yardage rolls 10 with different colors and/or different textures are taken as an example, the yardage roll 10 is placed on the yardage roll shaft 55, the yardage roll anti-fleeing disk 551 limits two ends of the yardage roll 10, an online operator guides the cloth ends (i.e. the yardage roll starting ends) on the three yardage rolls 10 to the composite cloth advancing and reversing mechanism 7 in a state indicated by dotted lines or chain lines in the figure, as shown in fig. 7, the composite cloth 101 passes through the upper portion of the first advancing and reversing roller 741 after passing through the upper portion of the second advancing and reversing roller 742 and the lower portion of the third advancing and reversing roller 743 in sequence, and after passing through the first advancing and reversing roller 741, the composite cloth passes through the space between the cloth stripping plate 31 of the cloth stripping mechanism 3 and the cloth supporting plate 41 of the cloth supporting mechanism 4, the first rear cloth guiding roller 833, the third rear cloth guiding roller 831, the third rear cloth guiding roller, Between the second rear cloth guide 832 and the first and second rear cloth feed rolls 841 and 842.

In the above process, when the composite cloth 101 passes between the peeling and supporting boards 31 and 41, the embroidering mechanism 2 in the working state is used for embroidering on the composite cloth, specifically: the main shaft 25 equipped with the flywheel 251 is driven by the power 24 (shown in fig. 6) of the embroidering mechanism 2, the main shaft 25 is an eccentric disc shaft (also called as an eccentric wheel shaft), the crankshaft connecting rod of the crankcase 21 is driven by the main shaft 25, the needle beam 22 is driven by the crankshaft connecting rod, the needle beam 22 moves up and down with the aid of the needle beam guide rod 221 which is in sliding fit with the needle beam guide rod sleeve 2211, and since the needle plate 23 is fixed with the needle beam 22 and since the needle plate 23 is provided with embroidering needles (not shown in the figure) according to the embroidering type requirements, the composite cloth 101 passing through the stripping and cloth supporting plates 31, 41 is embroidered in the process of the needle plate 23 moving up and down at a high speed. As described in the above background section, the needling and non-needling and the depth of the needling needle are all controlled by a computer, and based on this principle, the more the number of layers of the composite fabric and the richer the color of the composite fabric are, for example, three different colors of three layers of fabric, and if four layers of fabric are different colors, the more colorful the needled figured fabric 102 is.

In the process of embroidering the composite cloth by the embroidering machine, according to the above description of the applicant, the composite cloth 101 is moved back and forth by the synchronous and equidirectional operation of the front and rear cloth inverting mechanisms 7 and 8 of the composite cloth according to the process requirements, and the composite cloth is moved left and right by the moving trolley 6 and the front and rear cloth inverting mechanisms 7 and 8 of the composite cloth. The frequency and displacement of the front and back reverse displacement and the left and right reverse displacement of the composite cloth are controlled by a PLC (programmable logic controller) of the embroidery machine.

To sum up, the technical solution provided by the present invention remedies the defects in the prior art, successfully completes the invention task, and faithfully embodies the technical effects mentioned in the above technical effect column by the applicant.

Claims (10)

1. A cloth feeding and reversing device of a needle punching machine comprises a rack (1), a punching mechanism (2), a cloth stripping mechanism (3) and a cloth supporting mechanism (4), wherein the rack (1) comprises a first wall plate I (11), a second wall plate II (12), an upper cross beam (13) and a base (14), the first wall plate I (11) and the second wall plate II (12) are arranged in a mutually face-to-face state, the upper cross beam (13) is arranged on the upper portion between the first wall plate I (11) and the second wall plate II (12), the base (14) is arranged on the lower portion between the first wall plate I (11) and the second wall plate II (12), the punching mechanism (2) comprises a crank case (21), a needle beam (22) and a needle plate (23), the crank case (21) is arranged on the upper cross beam (13), and the needle beam (22) is connected with the crank case (21) at a position corresponding to the lower portion of the crank case (21), the needle plate (23) is positioned below the needle beam (22) in the length direction and fixed with the needle beam (22), the cloth stripping mechanism (3) comprises a cloth stripping plate (31) and a cloth stripping plate lifting device (32), the cloth stripping plate (31) corresponds to the lower part of the needle plate (23) in the length direction and is connected with the cloth stripping plate lifting device (32), the cloth stripping plate lifting device (32) is arranged on the downward side of the upper beam (13), the cloth supporting mechanism (4) comprises a cloth supporting plate (41) and a cloth supporting plate lifting mechanism (42), the cloth supporting plate (41) corresponds to the lower part of the cloth stripping plate (31) in the length direction and is connected with the cloth supporting plate lifting device (42), and the cloth supporting plate lifting device (42) is arranged on the base (14), and the cloth feeding and pouring device is characterized by comprising a tension cloth guiding mechanism (5), a moving trolley (6), a composite cloth advancing and pouring mechanism (7) and a composite cloth feeding and pouring mechanism (8), the tension cloth guiding mechanism (5) is arranged on the front side of the rack (1) in a left-right moving mode, the moving trolley (6) is arranged above the base (14) in a left-right moving mode, the composite cloth advancing and cloth reversing mechanism (7) is arranged on the front side of the moving trolley (6) and corresponds to the tension cloth guiding mechanism (5), and the composite cloth backward advancing and cloth reversing mechanism (8) is arranged on the rear side of the moving trolley (6) in a state corresponding to the rear side of the composite cloth advancing and cloth reversing mechanism (7).

2. The cloth feeding and reversing device of the needle-punched embroidery machine as claimed in claim 1, wherein a cloth guiding frame upper supporting beam (15a) and a cloth guiding frame lower supporting beam (15b) are fixed on the front side of the frame (1) and between the first wall plate I (11) and the second wall plate II (12), and the tension cloth guiding mechanism (5) is arranged on the front side of the cloth guiding frame upper supporting beam (15a) and the cloth guiding frame lower supporting beam (15b) in a left-right moving manner; a pair of trolley left guide rails (141) is arranged on the upward side of the left end of the base (14), a pair of trolley right guide rails (142) is arranged on the upward side of the right end of the base (14), the pair of trolley right guide rails (142) correspond to the pair of trolley left guide rails (141), the moving trolley (6) carries the composite cloth forward cloth-reversing mechanism (7) and the composite cloth backward cloth-reversing mechanism (8), the pair of trolley left guide rails (141) and the pair of trolley right guide rails (142) are in sliding fit, and the composite cloth forward cloth-reversing mechanism (7) is connected with the tension cloth-guiding mechanism (5).

3. The cloth feeding and inverting device of a needle-punched embroidery machine according to claim 2, wherein the tension cloth guiding mechanism (5) comprises a left cloth guiding bracket (51), a right cloth guiding bracket (52), a cloth guiding bracket connecting upper beam (53), a cloth guiding bracket connecting lower beam (54), a cloth winding shaft (55), a torque motor (56), a pair of left cloth guiding bracket moving sliders (57) and a pair of right cloth guiding bracket moving sliders (58), the middle part and the lower part of the rear side of the left cloth guiding bracket (51) are respectively fixed with the upper beam (53) connecting the cloth guiding bracket and the front side of the left end of the lower beam (54) connecting the cloth guiding bracket, the middle part and the lower part of the rear side of the right cloth guiding bracket (52) are respectively fixed with the upper beam (53) connecting the cloth guiding bracket and the front side of the right end of the lower beam (54) connecting the cloth guiding bracket, and a torque motor fixing plate (511) is fixed on the front side of the left cloth guiding bracket (51) at intervals from top to bottom in a horizontal cantilever state, a cloth reel supporting plate (521) is fixed on the front side of the right cloth guiding bracket (52) in a horizontal cantilever state from top to bottom at intervals, the number of the cloth reel supporting plates (521) is equal to that of the torque motor fixing plates (511) and the positions of the cloth reel supporting plates correspond to each other, the number of the torque motors (56) is equal to that of the torque motor fixing plates (511) and the torque motor supporting plates are fixed on the left side of the torque motor fixing plates (511) in a horizontal cantilever state, the torque motor shafts of the torque motors (56) extend to the right side of the torque motor fixing plates (511) and are connected with the left end of the cloth reel (55) through torque motor shaft universal couplings (561), the right end of the cloth reel (55) is rotatably supported on the cloth reel supporting plates (521), a pair of left cloth guiding bracket moving sliders (57) is respectively fixed on the upper end and the middle part of the rear side of the left cloth guiding bracket (51) and is respectively in sliding fit with a left, the left cloth guiding bracket moving slide block guide rod (571) is fixed between a pair of left cloth guiding bracket moving slide block guide rod fixing seats (5711), a pair of right cloth guiding bracket moving slide blocks (58) are respectively fixed at the upper end and the middle part of the rear side of the right cloth guiding bracket (52) and are respectively in sliding fit with the right cloth guiding bracket moving slide block guide rod (581), and the right cloth guiding bracket moving slide block guide rod (581) is fixed between a pair of right cloth guiding bracket moving slide block guide rod fixing seats (5811); in the pair of left cloth guiding bracket moving slider guide rod fixing seats (5711), one left cloth guiding bracket moving slider guide rod fixing seat corresponding to the upper end of the rear side of the left cloth guiding bracket (51) is fixed with the front side of the left end of the cloth guiding bracket upper supporting beam (15a), and one left cloth guiding bracket moving slider guide rod fixing seat corresponding to the middle of the rear side of the left cloth guiding bracket (51) is fixed with the front side of the left end of the cloth guiding bracket lower supporting beam (15 b); in the pair of right cloth guiding bracket moving slider guide rod fixing seats (5811), one right cloth guiding bracket moving slider guide rod fixing seat corresponding to the upper end of the rear side of the right cloth guiding bracket (52) is fixed with the front side of the right end of the cloth guiding bracket upper supporting beam (15a), and one right cloth guiding bracket moving slider guide rod fixing seat corresponding to the middle part of the rear side of the right cloth guiding bracket (52) is fixed with the front side of the right end of the cloth guiding bracket lower supporting beam (15 b); the composite cloth advancing and reversing mechanism (7) is connected with the left cloth guiding bracket (51) and the right cloth guiding bracket (52).

4. The cloth feeding and inverting apparatus of a needlepunch as claimed in claim 3, wherein a cloth reel supporting groove (5211) is formed at the cloth reel supporting plate (521) at a position corresponding to the cloth reel (55), a set of cloth reel supporting rollers (5212) is rotatably provided at the right side of the cloth reel supporting plate (521) at positions corresponding to the cloth reel supporting groove (5211) in a V-shaped distribution state, and the right end of the cloth reel (55) is in contact with the set of cloth reel supporting rollers (5212) at a position corresponding to the cloth reel supporting groove (5211); a pair of lap movement preventing disks (551) are provided on the lap shaft (55).

5. The cloth feeding and inverting device of a needle-punched embroidery machine according to claim 3, wherein the traveling carriage (6) comprises a cloth guide frame left sliding bottom plate (61), a cloth guide frame right sliding bottom plate (62), a pair of cloth guide frame coupling beams (63), and a traveling carriage driving device (64), a pair of cloth guide frame left sliding bottom plate sliders are fixed at the bottom of the cloth guide frame left sliding bottom plate (61) and at positions corresponding to the pair of carriage left guide rails (141), the pair of cloth guide frame left sliding bottom plate sliders are slidably engaged with the pair of carriage left guide rails (141), a pair of cloth guide frame right sliding bottom plate sliders (621) are fixed at the bottom of the cloth guide frame right sliding bottom plate (62) and at positions corresponding to the pair of carriage right guide rails (42), the pair of cloth guide frame right sliding bottom plate sliders (621) are slidably engaged with the pair of carriage right guide rails (142), a pair of cloth guide frame connecting cross beams (63) are parallel to each other in front and back, the left ends of the pair of cloth guide frame connecting cross beams (63) are fixed with the bottom of a left cloth guide frame sliding bottom plate (61), the right ends of the pair of cloth guide frame connecting cross beams (63) are fixed with the bottom of a right cloth guide frame sliding bottom plate (62), and a moving trolley driving device (64) is arranged on one upward side of the right end of the base (14) and is connected with the middle part of the right cloth guide frame sliding bottom plate (62); the composite cloth advancing and reversing mechanism (7) is arranged between the front ends of the left and right sliding bottom plates (61, 62) of the cloth guide frame; the composite cloth backward feeding and reversing mechanism (8) is arranged between the rear ends of the left and right sliding bottom plates (61, 62) of the cloth guide frame.

6. The cloth feeding and inverting device of a needle-punched embroidery machine as claimed in claim 5, wherein the traveling carriage driving device (64) comprises a traveling carriage driving motor (641), a traveling carriage driving wheel (642), a traveling carriage driving driven wheel (643), a traveling carriage driving transmission belt (644), a traveling carriage driving screw (645) and a traveling carriage driving screw nut (646), the traveling carriage driving motor (641) is a motor having a forward and reverse rotation function and is fixed on a traveling carriage driving motor base (6411), the traveling carriage driving motor base (6411) is fixed to the rear side of the right end of the base (14), a traveling carriage driving motor shaft (6412) of the traveling carriage driving motor (641) faces to the right, the traveling carriage driving wheel (642) is fixed on the traveling carriage driving motor shaft (6412), the left end and the right end of the traveling carriage driving screw (645) are rotatably supported on the traveling carriage driving screw base (6451) respectively, the movable trolley driving screw seat (6451) is fixed on the upward side of the base (14), the movable trolley driving driven wheel (643) is fixed at the right end of the movable trolley driving screw (645), one end of a movable trolley driving transmission belt (644) is sleeved on the movable trolley driving wheel (642), the other end of the movable trolley driving transmission belt is sleeved on the movable trolley driving driven wheel (643), and a movable trolley driving screw nut (646) is arranged in the middle of the movable trolley driving screw (645) and is connected with the middle position of the downward side of the cloth guide frame right sliding bottom plate (62).

7. The cloth feeding and inverting device of a needlepunch machine according to claim 5, wherein the composite cloth feeding and inverting mechanism (7) comprises a roller left supporting wall plate (71), a roller right supporting wall plate (72), a front cloth guiding roller set (73), an advancing cloth inverting roller set (74), and an advancing cloth inverting roller driving device (75), the roller left supporting wall plate (71) is fixed to the side of the cloth guide frame left sliding bottom plate (61) where the front end faces upward, and a left elastic coupling member (711) is provided on the left side of the roller left supporting wall plate (71), the left elastic coupling member (711) is coupled to the upper end of the left cloth guide frame (51), the roller right supporting wall plate (72) is fixed to the side of the cloth guide frame right sliding bottom plate (62) where the front end faces upward in a state corresponding to the roller left supporting wall plate (71), and the roller is provided on the right side of the right supporting wall plate (72) with a right elastic coupling member (721), the right elastic connecting piece (721) is connected with the upper part of the right cloth guiding frame (52), the front cloth guiding roller group (73) is rotatably supported between the front end opposite sides of the left and right supporting wall plates (71, 72) of the roll shaft, the forward cloth reversing roller group (74) is rotatably supported between the rear end opposite sides of the left and right supporting wall plates (71, 72) of the roll shaft at the position corresponding to the rear side of the front cloth guiding roller group (73), and the forward cloth reversing roller driving device (75) is arranged on the right supporting wall plate (72) of the roll shaft and is in transmission connection with the forward cloth reversing roller group (74).

8. A cloth feeding and reversing device of a needle-punched embroidery machine as claimed in claim 7, characterized in that said leading cloth roller set (73) comprises a first, a second, a third leading cloth rollers (731, 732, 733) and a fourth leading cloth roller (734), each of the first, the second, the third leading cloth rollers (731, 732, 733) and the fourth leading cloth roller (734) is rotatably supported between the front end facing sides of the left and right supporting wall plates (71, 72) of said roller shaft by a leading cloth roller bearing, the first leading cloth (731) corresponds to the upper side of the third leading cloth roller (733), the second leading cloth roller (732) corresponds to the lower side of the first leading cloth roller (731) and simultaneously corresponds to the upper side of the fourth leading cloth roller (734); the forward reverse roller group (74) includes a first forward reverse roller (741), a second forward reverse roller (742) and a third forward reverse roller (743), each of the first, second forward reverse rollers (741, 742) and the third forward reverse roller (743) is rotatably supported between the rear end facing sides of the roll shaft left and right supporting wall plates (71, 72) through a forward reverse roller bearing, wherein the first forward reverse roller (741) corresponds to the rear side of the length direction of the second forward reverse roller (742), and the third forward reverse roller (743) corresponds to the lower side between the length directions of the first and second forward reverse rollers (741, 742), the roll shaft left shaft head of the first forward reverse roller (741) extends to the left side of the roll shaft left supporting wall plate (71) and is fixed with a first forward reverse roller head transmission gear (7411), and the right shaft head of the first forward reverse roller (741) extends to the right side of the roll shaft to the right supporting wall plate (72), a roll shaft left shaft head of the second advancing cloth reversing roll (742) extends to the left side of the roll shaft left supporting wallboard (71) and is fixedly provided with a second advancing cloth reversing roll shaft head transmission gear (7421), a roll shaft left shaft head of the third advancing cloth reversing roll (743) extends to the left side of the roll shaft left supporting wallboard (71) and is fixedly provided with a third advancing cloth reversing roll shaft head transmission gear (7431), and the third advancing cloth reversing roll shaft head transmission gear (7431) is simultaneously meshed with the first advancing cloth reversing roll shaft head transmission gear (7411) and the second advancing cloth reversing roll shaft head transmission gear (7421); the advancing cloth inverting roller driving device (75) comprises an advancing cloth inverting roller driving motor (751), an advancing cloth inverting roller driving wheel (752), an advancing cloth inverting roller driving driven wheel (753) and an advancing cloth inverting roller driving transmission belt (754), wherein the advancing cloth inverting roller (751) is fixed on the upper portion of the left side of the rear end of the roller shaft right supporting wall plate (72) in a horizontal cantilever state, an advancing cloth inverting roller driving motor shaft (7511) of the advancing cloth inverting roller driving motor (751) extends to the right side of the rear end of the roller shaft right supporting wall plate (72), the advancing cloth inverting roller driving wheel (752) is fixed on the advancing cloth inverting roller driving motor shaft (7511), the advancing cloth inverting roller driving driven wheel (753) is fixed on the right shaft head of the roller shaft of the first advancing cloth inverting roller (741), one end of the advancing cloth inverting roller driving transmission belt (754) is sleeved on the advancing cloth inverting roller driving wheel (752), the other end is sleeved on a driving driven wheel (753) of the advancing cloth reversing roller; the forward cloth-reversing roller driving motor (751) is a motor with a forward and reverse rotation function.

9. The cloth feeding and inverting apparatus of a needle-punched embroidery machine according to claim 5, wherein the composite cloth backward feeding and inverting mechanism (8) comprises a roller shaft head left supporting wall plate (81), a roller shaft head right supporting wall plate (82), a backward cloth guide roller group (83), a backward cloth inverting roller group (84), a backward cloth guide roller driving device (85), and a backward cloth inverting roller driving motor (86), the roller shaft head left supporting wall plate (81) is fixed to an upward side of a rear end of the cloth guide roller frame sliding floor (61), the roller shaft head right supporting wall plate (82) is fixed to an upward side of a rear end of the cloth guide roller frame right sliding floor (62) in a state corresponding to the roller shaft head left supporting wall plate (81), the backward cloth guide roller group (83) is rotatably supported between forward end sides of the roller shaft head left and right supporting wall plates (81, 82), and the backward cloth inverting roller group (84) is rotatably supported at a position corresponding to a rear side of the backward cloth guide roller group (83) The rear ends of the left and right supporting wall plates (81 and 82) of the shaft heads face to one side, a rear cloth guide roller driving device (85) is arranged on the right supporting wall plate (82) of the shaft head and is in transmission connection with a rear cloth guide roller set (83), and a rear cloth reversing roller driving motor (86) is fixed on the right side of the rear end of the right supporting wall plate (82) of the shaft head and is in transmission connection with the rear cloth reversing roller set (84).

10. The cloth feeding and reversing device of a needle punch according to claim 9, wherein the rear cloth guide roller group (83) includes first and second rear cloth guide rollers (831, 832) and a third rear cloth guide roller (833), the first and second rear cloth guide rollers (831, 832) and the third rear cloth guide roller (833) are rotatably supported by rear cloth guide roller bearings between front end facing sides of the roller shaft head left and right support wall plates (81, 82), the first rear cloth guide roller (831) corresponds to a front side of a length direction of the second rear cloth guide roller (832), the third rear cloth guide roller (833) corresponds to a lower side between length directions of the first and second rear cloth guide rollers (831, 832), a first rear cloth guide roller left shaft head (8311) of the first rear cloth guide roller (831) extends to a left side of the roller shaft head support wall plate (81) and a first rear cloth guide roller gear (83111) is fixed, a second rear cloth guide roller left shaft head (8321) of the second rear cloth guide roller (832) extends to the left side of the roller shaft head left supporting wall plate (81) and is fixed with a second rear cloth guide roller gear (83211), a third rear cloth guide roller left shaft head (8331) of the third rear cloth guide roller (833) extends to the left side of the roller shaft head left supporting wall plate (81) and is fixed with a third rear cloth guide roller gear (83311), and the third rear cloth guide roller gear (83311) is meshed with the first rear cloth guide roller gear (83111) and the second rear cloth guide roller gear (83211) simultaneously; the rear cloth reversing roller group (84) comprises a first rear cloth reversing roller (841) and a second rear cloth reversing roller (842), the first rear cloth reversing roller (841) and the second rear cloth reversing roller (842) are respectively and rotatably supported between the rear end sides of the left and right supporting wall plates (81 and 82) of the shaft head through rear cloth reversing roller bearings, the first rear cloth reversing roller (841) corresponds to the lower part of the length direction of the second rear cloth reversing roller (842), and the second rear cloth reversing roller (842) corresponds to the rear part of the second rear cloth guiding roller (832); the back cloth guide roller driving device (85) comprises a back cloth guide roller driving motor (851), a back cloth guide roller driving wheel (852), a back cloth guide roller driving driven wheel (853) and a back cloth guide roller driving transmission belt (854), a rear cloth guide roller driving motor (851) is fixed at the upper part of the left side of the front end of the roll shaft head right supporting wall plate (82) in a horizontal cantilever state, a rear cloth guide roller driving motor shaft (8511) of the rear cloth guide roller driving motor (851) extends to the right side of the roll shaft head right supporting wall plate (82), a rear cloth guide roller driving wheel (852) is fixed on the rear cloth guide roller driving motor shaft (8511), a rear cloth guide roller driving driven wheel (853) is fixed on a first rear cloth guide roller right shaft head (8312) of a first rear cloth guide roller (831), one end of a rear cloth guide roller driving belt (854) is sleeved on the rear cloth guide roller driving wheel (852), and the other end is sleeved on the rear cloth guide roller driving driven wheel (853); the rear cloth inverting roller driving motor (86) is in transmission connection with a right shaft head of a rear cloth inverting roller of the first rear cloth inverting roller (841); the rear cloth guide roller driving motor (851) is a servo motor with a positive and negative rotation function; the rear cloth reversing roller driving motor (86) is a torque motor.

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