CN210162949U - Automatic yarn drum replacing device for weaving sweater fabric - Google Patents

Abstract

The utility model discloses an automatic change device of a yarn section of thick bamboo for sweater surface fabric weaving belongs to weaving clothing processing machinery equipment field. The utility model discloses a spool unloading mechanism and yarn section of thick bamboo feed mechanism along the horizontal direction vertical setting in proper order in reciprocal translation mechanism top both sides, the yarn base is improved level and is rotated and be connected with the physiosis pivot, reciprocal support below both sides symmetry rotation respectively are connected with two translation guide pulleys, the fixed pipe that gets of being provided with of lift cylinder output level links the board, it connects in the rotation support to rotate spout upside end hinge, fixed spout is fixed to be set up in blowing pipe material frame upside along the incline direction, a yarn section of thick bamboo is placed a pipe upside intercommunication and is provided with yarn section of thick bamboo storage hopper, the fixed pipe lifter that holds that is provided with of doff guide arm lower extreme, the fixed push cylinder that is provided with of. The utility model has the advantages of reasonable design, can realize that a yarn section of thick bamboo is put yarn and is accomplished the back and change in succession material loading one by one, improve the degree of automation that a yarn section of thick bamboo was changed, satisfy the needs of plant use.

Description

Automatic yarn drum replacing device for weaving sweater fabric

Technical Field

The utility model belongs to weaving garment processing machinery equipment field especially relates to a yarn section of thick bamboo automatic change device for sweater surface fabric is weavingd, mainly is applied to the processing of weavining in succession of sweater surface fabric.

Background

Along with the continuous improvement of living standard, people have higher and higher requirements on the quality of clothes, the clothes are not only the initial cold-resisting and warm-keeping effects, but also people gradually pay attention to the aesthetic degree and the wearing comfort degree of the clothes, and the clothes are more required to be fresh, soft, rich in elasticity, extensibility, drapability and breathability, novel in style and comfortable in color. The wool top product mainly refers to a fabric woven by spinning animal hair fibers such as wool, cashmere, rabbit hair and the like into yarns, the existing wool fabric is a high-end fabric in the market and is deeply loved by consumers, the wool fabric is a garment fabric woven by using wool as a main raw material, the wool yarns for manufacturing the fabric are mainly manufactured and processed by adopting the animal fibers, so that the yield is low, the price of the wool fabric is high, and the wool fabric has excellent quality and characteristics, so that the wool fabric is used as the high-end fabric for manufacturing various wool coats, woolen sweaters and the like. In the production and processing process of the sweater fabric, a circular knitting machine is mainly adopted to knit the sweater fabric, multiple strands of yarns are required to be fed and conveyed simultaneously in the fabric weaving process of the circular knitting machine, the conventional yarns are mainly stored and released in a yarn cylinder mode, so that in order to realize continuous and efficient feeding of the multiple strands of yarns, workers need to regularly and manually take off empty yarn cylinders which are used for releasing the yarns from a yarn releasing support and install and place yarn cylinders which are fully wound with the yarns on the yarn releasing support, aiming at large-scale production of the sweater fabric, the workers need to take and place the yarn cylinders at high frequency, the labor intensity is high, the automation degree of feeding and replacing of the yarn cylinders is low, once the yarn cylinders cannot be replaced timely, the circular knitting machine for weaving the sweater fabric cannot work continuously, and the weaving efficiency and quality of the sweater fabric are influenced, can not meet the requirements of production and use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome the above-mentioned not enough that exists among the prior art, and provide a structural design reasonable, can realize that a yarn section of thick bamboo is put yarn and is accomplished the back and change in succession material loading one by one, improve the degree of automation that a yarn section of thick bamboo was changed, satisfy the automatic change device of a yarn section of thick bamboo that is used for sweater surface fabric to weave that the plant use needs.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a yarn section of thick bamboo automatic exchange device for sweater surface fabric weaving which characterized in that: the automatic yarn drum replacing device for weaving the sweater fabric comprises a yarn guide bracket, a reciprocating translation mechanism, a yarn drum discharging mechanism and a yarn drum feeding mechanism, wherein the reciprocating translation mechanism is horizontally arranged on the upper side of the lower part of the yarn guide bracket, the yarn drum discharging mechanism and the yarn drum feeding mechanism are sequentially and vertically arranged on two sides above the reciprocating translation mechanism along the horizontal direction, two sides below the yarn guide bracket are respectively and horizontally and fixedly provided with a fixed base, the middle part of the yarn guide bracket is horizontally and fixedly provided with a yarn guide bottom plate, the yarn guide bottom plate is sequentially and uniformly and fixedly provided with a plurality of yarn transmission bases along the horizontal direction, the yarn transmission bases are horizontally and rotatably connected with an inflatable rotating shaft, the inflatable rotating shaft is vertically arranged on the yarn guide bottom plate, the reciprocating translation mechanism comprises a reciprocating bracket, a translation guide wheel, a translation motor, a driving connecting plate and a, two translation guide wheels are respectively and symmetrically connected on two sides below the reciprocating support in a rotating way, translation guide grooves matched with the width of the translation guide wheels are respectively and horizontally arranged on two sides of a yarn guide support below the reciprocating support, a driving connecting plate is fixedly arranged in the middle of the lower side of the reciprocating support and is parallel to the translation guide grooves, a main translation gear and an auxiliary translation gear are respectively and vertically and rotatably connected on two sides of the driving connecting plate, a fixed rack is horizontally arranged on the yarn guide support below the reciprocating support, the main translation gear and the auxiliary translation gear are both meshed and connected with the fixed rack, a main connecting gear and an auxiliary output gear are sequentially and coaxially arranged on one side of the main translation gear along the horizontal direction, an auxiliary connecting gear is vertically and coaxially arranged on one side of the auxiliary translation gear, the main connecting gear and the auxiliary connecting gear are in transmission connection through a connecting chain, and, the bobbin discharging mechanism comprises a discharging support, a cylinder connecting plate, a lifting cylinder, a lifting push rod, a tube taking connecting plate, a tube taking cylinder, a rotating chute, a fixed chute and a tube discharging frame, the discharging support is vertically and fixedly arranged on the upper side of the reciprocating support, the cylinder connecting plate is horizontally and fixedly arranged on one side above the discharging support, the lifting cylinder is vertically and downwardly fixedly arranged on the upper side of the cylinder connecting plate, the tube taking connecting plate is horizontally and fixedly arranged at the output end of the lifting cylinder, the lifting push rod is vertically and fixedly arranged on one side of the tube taking connecting plate, the lifting push rod is arranged on the cylinder connecting plate in a sliding manner along the vertical direction, the lower end of the lifting push rod is of a hemispherical structure, and a limit stop block is fixedly arranged at the upper end of the lifting push rod, a switch bracket is vertically and fixedly arranged on the upper side of the air cylinder connecting plate, the switch bracket is vertically arranged on one side above the lifting push rod, an upper limit switch and a lower limit switch are respectively and fixedly arranged on the upper side and the lower side of the switch bracket, an air cylinder bracket is vertically and fixedly arranged on one side below the tube taking connecting plate, the tube taking air cylinder is horizontally and fixedly arranged on one side of the air cylinder bracket, the tube taking air cylinder is parallel to the air expansion rotating shaft, the output end of the tube taking air cylinder is vertically and fixedly provided with a tube taking bracket, the tube taking bracket is of an L-shaped structure, an upper tube bearing plate is horizontally and fixedly arranged on one side above the tube taking bracket, the upper tube bearing plate is of a circular arc-shaped structure, a tube pressing air cylinder is vertically and upwardly and fixedly arranged on the lower side of the tube taking bracket, the output end of the tube pressing air cylinder is horizontally and fixedly provided with, a plurality of reset springs are uniformly arranged between the upper side of the rotating chute and the blanking support, the blanking frame is horizontally and fixedly arranged on one side above the reciprocating support, a chute support is fixedly arranged on one side above the blanking frame, the fixed chute is fixedly arranged on the upper side of the chute support along the inclined direction, the yarn cylinder feeding mechanism comprises a feeding support, a yarn cylinder placing pipe, an upper bearing cylinder, a lower bearing cylinder and a pushing cylinder, the feeding support is vertically and fixedly arranged on the upper side of the reciprocating support, the yarn cylinder placing pipe is vertically and fixedly arranged on one side above the feeding support, the upper side of the yarn cylinder placing pipe is communicated with a yarn cylinder storage hopper, the yarn cylinder placing pipe is sequentially and horizontally and fixedly provided with the upper bearing cylinder and the lower bearing cylinder from top to bottom, the output end of the upper bearing cylinder is horizontally and fixedly provided with an upper bearing cylinder stop rod, the output end of the lower bearing cylinder is fixedly provided with a translation connecting plate, one side of the translation connecting plate is horizontally, the lower end of the yarn tube placing tube is provided with a connecting plate reciprocating groove matched with the translation connecting plate along the side of a lower bobbin bearing cylinder, two sides of the lower end of the yarn tube placing tube are respectively and horizontally and fixedly provided with bobbin guide plates, two sides of the bobbin guide plates are respectively and vertically provided with bobbin guide rods in a sliding manner, the lower ends of the bobbin guide rods are fixedly provided with bobbin inclined rods, the upper sides of the bobbin guide plates are horizontally provided with spring baffles, the spring baffles are arranged on the upper sides of the bobbin guide rods, two ends of the lower sides of the spring baffles are respectively and fixedly connected with the upper ends of the bobbin guide rods on two sides of the bobbin guide plates, a lifting rod spring is sleeved on the bobbin guide rods between the spring baffles and the bobbin guide plates, a synchronous connecting rod is horizontally and fixedly connected between the two bobbin guide rods on the lower sides of the bobbin guide plates, a bobbin pushing support is horizontally and fixedly arranged on a feeding support, the push cylinder is parallel to the inflatable rotating shaft, and a push cylinder connecting plate is fixedly arranged at the output end of the push cylinder.

Furthermore, the horizontal distance between the tube taking cylinder of the bobbin discharging mechanism and the cylinder pushing cylinder of the yarn cylinder feeding mechanism is equal to the distance between two adjacent inflatable rotating shafts of the yarn guide bottom plate.

Furthermore, the two ends of one side above the pipe taking connecting plate are respectively and vertically and fixedly provided with a lifting guide rod, and the lifting guide rods are arranged on the cylinder connecting plate in a sliding mode along the vertical direction.

Further, a pressing tube plate at the output end of the pressing tube cylinder is of a circular arc structure with an upward opening.

Furthermore, doffing barrier strips are horizontally and fixedly arranged on two sides of the yarn bobbin placing tube above the doffing guide plate respectively.

Furthermore, the upper side of the bearing tube inclined rod at the lower end of the doffing guide rod is rotatably connected with a guide tube rotating shaft, and the guide tube rotating shaft is parallel to the bearing tube inclined rod.

Furthermore, a soft rubber layer is fixedly attached to one side of the push cylinder connecting plate at the output end of the push cylinder.

Furthermore, the inclined included angle between the inclined bearing barrel rod at the lower end of the falling barrel guide rod and the horizontal plane is 30 degrees.

Compared with the prior art, the utility model, have following advantage and effect: the utility model has the advantages of reasonable design, horizontally set up in the upper side of guide bracket lower part through reciprocating translation mechanism, spool unloading mechanism and yarn section of thick bamboo feed mechanism vertically set up in proper order in the horizontal direction in reciprocating translation mechanism top both sides, utilize reciprocating translation mechanism to enable to drive spool unloading mechanism and yarn section of thick bamboo feed mechanism along the synchronous steady and accurate translation motion of horizontal direction, utilize spool unloading mechanism to enable to realize getting one by one of spool and put the unloading, utilize yarn section of thick bamboo feed mechanism to enable to realize that yarn section of thick bamboo flatly pushes away the material loading one by one, realize that yarn section of thick bamboo is continuous material loading change one by one after the completion of putting the yarn, improve the degree of automation of yarn section of thick bamboo change, evenly fix in proper order along the horizontal direction on the guide bottom plate through the horizontal fixed of guide bracket middle part, the horizontal rotation is connected with the physiosis pivot on the yarn base, utilize the physiosis pivot to make can carry out the, the horizontal distance between the tube taking cylinder of the bobbin discharging mechanism and the barrel pushing cylinder of the yarn barrel feeding mechanism is equal to the distance between two adjacent inflatable rotating shafts of the yarn guide bottom plate, so that after the bobbin discharging mechanism and the yarn barrel feeding mechanism are accurately translated to required positions by the reciprocating translation mechanism, the two adjacent inflatable rotating shafts can respectively and synchronously utilize the bobbin discharging mechanism and the yarn barrel feeding mechanism to perform bobbin discharging and yarn barrel feeding, the bobbin discharging mechanism and the yarn barrel feeding mechanism are adopted to synchronously work, the yarn barrel replacing efficiency can be improved, the high-efficiency and orderly weaving of a sweater is realized, the reciprocating translation mechanism is utilized to perform translation motion along the horizontal direction in a stable and sequential manner, a plurality of inflatable rotating shafts arranged along the yarn guide support can sequentially and orderly replace yarn barrels, two translation guide wheels are respectively and symmetrically rotationally connected with two sides below the reciprocating support, and translation guide grooves matched with the width of the translation guide wheels are respectively and horizontally arranged on two sides of the yarn guide support below the reciprocating support, the translation guide wheel can accurately and smoothly roll along the translation guide groove, so that the reciprocating support can perform translation motion efficiently and stably under the action of external force, a main translation gear and an auxiliary translation gear are respectively and vertically and rotatably connected to two sides of a driving connecting plate at the middle part of the lower side of the reciprocating support, the main translation gear and the auxiliary translation gear are both meshed and connected with a fixed rack at the lower side of the reciprocating support, a main connecting gear at one side of the main translation gear and an auxiliary connecting gear at one side of the auxiliary translation gear are in transmission connection by adopting a connecting chain, a main output gear at the output end of the translation motor and an auxiliary output gear are in transmission connection by adopting a translation chain, the main translation gear and the auxiliary translation gear are driven by the translation motor to synchronously rotate, the main translation gear and the auxiliary translation gear can translate along the fixed rack in the rotating process, and the reciprocating support can perform reciprocating translation motion stably and accurately along the horizontal, the automatic pipe taking and lifting device is characterized in that a feeding support is vertically and fixedly arranged on the upper side of a reciprocating support, a lifting cylinder is vertically and downwardly and fixedly arranged on the upper side of a cylinder connecting plate, a pipe taking connecting plate is horizontally and fixedly arranged at the output end of the lifting cylinder, a lifting push rod is vertically and fixedly arranged on one side of the pipe taking connecting plate, the pipe taking connecting plate is driven by the lifting cylinder in the vertical direction to carry out lifting motion, the pipe taking connecting plate can drive the lifting push rod to carry out lifting motion synchronously in the lifting process, a limit stop block is fixedly arranged at the upper end of the lifting push rod, an upper limit switch and a lower limit switch are respectively and fixedly arranged on the upper side and the lower side of a switch support, so that the pipe taking connecting plate and the lifting push rod can carry out lifting motion stably and accurately in the vertical direction, the pipe taking connecting plate and, when the lifting push rod moves downwards under the driving of the tube taking connecting plate, the lifting push rod can push the rotating chute to rotate along the anticlockwise direction, when the lifting push rod moves upwards under the driving of the tube taking connecting plate, the rotating chute can rotate along the clockwise direction under the action of the reset spring, the lower end of the lifting push rod is of a hemispherical structure, so that the friction force between the lower end of the lifting push rod and the rotating chute can be reduced, the lifting push rod can smoothly push the rotating chute to rotate, the tube taking cylinder is horizontally and fixedly arranged on one side of the cylinder support on the lower side of the tube taking connecting plate, the tube taking support is vertically and fixedly arranged at the output end of the tube taking cylinder, the tube taking support is of an L-shaped structure, an upper tube bearing plate of an arc-shaped structure is horizontally and fixedly arranged on one side above the tube taking support, and a lower tube pressing plate is horizontally and fixedly arranged at the output end of the, when the tube taking connecting plate is driven by the lifting cylinder to move to one side of the inflatable rotating shaft, the tube taking support is horizontally pushed by the tube taking cylinder, the tube taking support can be quickly translated to one side of a bobbin sleeved on the inflatable rotating shaft, the upper tube bearing plate is arranged on the upper side of the bobbin, the tube pressing cylinder is used for vertically pushing the lower tube pressing plate upwards, the end part of the bobbin can be clamped and fixed by the cooperation of the upper tube bearing plate and the lower tube pressing plate, the tube taking support is driven by the tube taking cylinder to reset and translate, the tube taking connecting plate is driven by the lifting cylinder to move upwards, the rotating chute is reset and rotated to an inclined position, the bobbin clamped and fixed on one side of the tube taking support can be arranged on the upper side of the rotating chute, the lower tube pressing cylinder is driven to move downwards, the end part of the bobbin loses clamping fixing force, the bobbin falls to the upper side of the rotating chute under the action of gravity, and is horizontally, the fixed chute is fixedly arranged on the upper side of the chute support on one side above the bobbin discharging frame along the inclined direction, so that bobbins falling to the upper side of the rotating chute can slide into the bobbin discharging frame along the fixed chute, the bobbin discharging collection is realized, the two ends of one side above the bobbin taking connecting plate are respectively and vertically and fixedly provided with a lifting guide rod, the lifting guide rods are arranged on the air cylinder connecting plate in a sliding manner along the vertical direction, the stable and accurate lifting motion of the bobbin taking connecting plate is realized, the pressing tube plate at the output end of the pressing tube air cylinder is of a circular arc structure with an upward opening, so that when the pressing tube plate is pushed upwards along the vertical direction by the pressing tube air cylinder, the pressing tube plate can be better pressed with the lower side of the end part of the bobbin, the bobbin is ensured not to be inclined and fall off in the clamping and translation process, the bobbin placing tube is vertically and fixedly arranged on one side, the yarn cylinder placing tube and the yarn cylinder storage hopper can simultaneously place a plurality of yarn cylinders, the yarn cylinders can be sequentially and continuously placed on a plurality of inflatable rotating shafts in the translation process of the reciprocating support, an upper bearing cylinder and a lower bearing cylinder are sequentially and horizontally and fixedly arranged on the yarn cylinder placing tube from top to bottom, an upper bearing cylinder stop rod is horizontally and fixedly arranged at the output end of the upper bearing cylinder, a lower bearing cylinder baffle plate with a circular arc-shaped structure is horizontally and fixedly arranged on one side of a translation connecting plate at the output end of the lower bearing cylinder, a connecting plate reciprocating groove matched with the translation connecting plate is arranged at the lower end of the yarn cylinder placing tube along the side of the lower bearing cylinder, the upper bearing cylinder pushes the upper bearing cylinder stop rod, the upper bearing cylinder stop rod can be horizontally inserted into the yarn cylinders, the lower bearing cylinder horizontally pushes the lower bearing cylinder baffle plate, the lower bearing cylinder baffle plate can bear the yarn cylinders, the upper bearing cylinders and the lower bearing cylinders synchronously move in opposite directions, the yarn cylinders can stably fall one by one, the two sides of a doffing guide plate at the lower end of a yarn bobbin placing tube are respectively provided with doffing guide rods in a sliding manner along the vertical direction, the lower end of each doffing guide rod is fixedly provided with a bobbin bearing inclined rod, the two ends of the lower side of a spring baffle are respectively fixedly connected with the upper ends of the doffing guide rods at the two sides of the doffing guide plate, a lifting rod spring is sleeved on the doffing guide rod between the spring baffle and the doffing guide plate, so that after a yarn bobbin falling in the yarn bobbin placing tube falls onto the bobbin bearing inclined rod, the yarn bobbin can drive the doffing guide rods to slide downwards by utilizing the self gravity and compress the lifting rod spring, the yarn bobbin can stably fall, when the yarn bobbin on the bobbin bearing inclined rod is horizontally pushed and placed onto an air expansion rotating shaft, the doffing guide rods can rapidly move upwards under the elastic force of the lifting rod spring to reset, so that the next yarn bobbin can be continuously supported and fall, and a synchronous connecting rod is fixedly connected between, the doffing guide rods on the two sides of the doffing guide plate can be synchronously lifted, the stable and efficient supporting and falling of the yarn tube are realized, the push tube support is horizontally and fixedly arranged on the feeding support on the lower side of the yarn tube placing tube, the push tube cylinder is horizontally and fixedly arranged on one side of the push tube support, the push tube connecting plate is fixedly arranged at the output end of the push tube cylinder, the push tube connecting plate is horizontally pushed by the push tube cylinder, the yarn tube placed on the upper side of the inclined rod of the bearing tube can be horizontally and stably pushed to the inflatable rotating shaft, the stable and smooth pushing and feeding of the yarn tube can be realized, doffing stop strips are respectively and horizontally and fixedly arranged on the two sides of the yarn tube placing tube above the doffing guide plate, the falling position of the spring baffle plate can be stopped and limited, the inclined rod of the bearing tube can slide to a required position under the gravity action of the yarn tube, the yarn tube can accurately slide to one side of the inflatable rotating shaft under the action of the doffing stop strips, and the yarn tube can be accurately, utilize the section of thick bamboo down tube guide arm lower extreme to hold a down tube upside and rotate and be connected with the guide tube pivot, the guide tube pivot is parallel to each other with a section of thick bamboo down tube, the fixed soft rubber layer that is provided with of laminating of the push tube that utilizes push tube cylinder output even board one side, make the push tube even board at the in-process that steadily promotes the yarn section of thick bamboo, can avoid the push tube even board to cause the scraping to destroy to the yarn on the yarn section of thick bamboo, realize the high-quality propelling movement material loading of a yarn section of thick bamboo, through such structure, the utility model has the advantages of reasonable design, can realize that the yarn section of thick bamboo is put the yarn and accomplish one by one continuous material loading change.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a left side view structure diagram of the present invention.

Fig. 3 is a schematic front view of the reciprocating translation mechanism of the present invention.

Fig. 4 is a left side view structural schematic diagram of the reciprocating translation mechanism of the present invention.

Fig. 5 is a schematic view of the bobbin discharging mechanism of the present invention.

Fig. 6 is a left side view structure schematic diagram of the bobbin discharging mechanism of the present invention.

Fig. 7 is a rear view schematic diagram of the tube taking bracket and the related mechanism thereof according to the present invention.

Fig. 8 is a schematic structural view of the yarn bobbin feeding mechanism of the present invention.

Fig. 9 is a left side view structure diagram of the yarn bobbin feeding mechanism of the present invention.

Fig. 10 is a left side view structure diagram of the bobbin holding tube of the present invention.

In the figure: 1. a yarn guide bracket, 2, a reciprocating translation mechanism, 3, a bobbin discharging mechanism, 4, a bobbin feeding mechanism, 5, a fixed base, 6, a yarn guide bottom plate, 7, a yarn transmission base, 8, an inflatable rotating shaft, 9, a reciprocating bracket, 10, a translation guide wheel, 11, a translation motor, 12, a driving connecting plate, 13, a fixed rack, 14, a translation guide groove, 15, a main translation gear, 16, an auxiliary translation gear, 17, a main connecting gear, 18, an auxiliary output gear, 19, an auxiliary connecting gear, 20, a connecting chain, 21, a main output gear, 22, a translation chain, 23, a chain placing groove, 24, a discharging bracket, 25, a cylinder connecting plate, 26, a lifting cylinder, 27, a lifting push rod, 28, a bobbin taking connecting plate, 29, a bobbin taking cylinder, 30, a rotating chute, 31, a fixed chute, 32. the bobbin feeding device comprises a bobbin discharging frame, 33 limit stops, 34 switch supports, 35 upper limit switches, 36 lower limit switches, 37 cylinder supports, 38 tube taking supports, 39 upper tube bearing plates, 40 tube pressing cylinders, 41 lower tube bearing plates, 42 rotating supports, 43 return springs, 44 chute supports, 45 feeding supports, 46 bobbin placing tubes, 47 upper tube bearing cylinders, 48 lower tube bearing cylinders, 49 tube pushing cylinders, 50 bobbin storage hoppers, 51 upper tube bearing stop rods, 52 translation connecting plates, 53 lower tube bearing stop plates, 54 connecting plate reciprocating grooves, 55 tube dropping guide plates, 56 tube dropping guide rods, 57 tube bearing inclined rods, 58 spring stop plates, 59 lifting rod springs, 60 synchronous connecting rods, 61 tube pushing supports, 62 tube pushing connecting plates, 63 lifting guide rods, 64. doffing barrier strip, 65 guide cylinder rotating shaft, 66 soft rubber layer.

Detailed Description

For further description of the present invention, the following description will be further made with reference to the accompanying drawings to describe a specific embodiment of an automatic bobbin replacing device for weaving sweater fabric, and the following embodiments are illustrative of the present invention and the present invention is not limited to the following embodiments.

As shown in fig. 1 and 2, the utility model relates to an automatic device of changing of yarn section of thick bamboo for sweater surface fabric weaving, including leading yarn support 1, reciprocal translation mechanism 2, spool unloading mechanism 3 and yarn section of thick bamboo feed mechanism 4, reciprocal translation mechanism 2 level sets up in leading 1 lower part upside of yarn support, spool unloading mechanism 3 and yarn section of thick bamboo feed mechanism 4 along the horizontal direction vertical setting in proper order in 2 top both sides of reciprocal translation mechanism, it is provided with unable adjustment base 5 to lead 1 below both sides of yarn support level respectively fixed, it is provided with and leads yarn bottom plate 6 to lead 1 middle part level of yarn support, lead yarn bottom plate 6 and go up along the horizontal direction in proper order evenly fixed polylith that is provided with and pass yarn base 7, it is connected with physiosis pivot 8 to lead yarn base 7 to go up horizontal rotation, physiosis pivot 8 sets. As shown in fig. 3 and 4, the utility model discloses a reciprocating translation mechanism 2 includes reciprocating support 9, translation guide pulley 10, translation motor 11, drive link plate 12 and fixed rack 13, reciprocating support 9 level sets up in leading 1 lower part upside of yarn support, reciprocating support 9 below both sides symmetry rotation respectively are connected with two translation guide pulleys 10, leading 1 both sides of yarn support of reciprocating support 9 below level respectively be provided with translation guide pulley 10 width looks adaptation's translation guide slot 14, reciprocating support 9 downside middle part is fixed to be provided with drive link plate 12, drive link plate 12 is parallel to each other with translation guide slot 14, drive link plate 12 both sides vertical rotation respectively are connected with main translation gear 15 and assist translation gear 16, the yarn support 1 upper level of reciprocating support 9 downside is provided with fixed rack 13, main translation gear 15 and assist translation gear 16 all are connected with fixed rack 13 meshing, main translation gear 15 one side is along the horizontal direction vertical coaxial main connection gear 17 and the assistance output tooth of having in proper order Wheel 18, assist the vertical coaxial auxiliary connecting gear 19 that is provided with in translation gear 16 one side, main connecting gear 17 with assist and adopt between the connecting gear 19 and connect the transmission of chain 20, translation motor 11 level is fixed to be set up in reciprocal support 9 upside, the vertical main output gear 21 that is provided with of translation motor 11 output, adopt translation chain 22 transmission to connect between main output gear 21 and the auxiliary output gear 18, be provided with on the reciprocal support 9 with the chain standing groove 23 of translation chain 22 looks adaptation. As shown in fig. 5 and fig. 6, the bobbin discharging mechanism 3 of the present invention comprises a discharging support 24, a cylinder connecting plate 25, a lifting cylinder 26, a lifting push rod 27, a tube-taking connecting plate 28, a tube-taking cylinder 29, a rotating chute 30, a fixed chute 31 and a tube-placing frame 32, wherein the discharging support 24 is vertically and fixedly arranged on the upper side of the reciprocating support 9, the cylinder connecting plate 25 is horizontally and fixedly arranged on one side above the discharging support 24, the lifting cylinder 26 is vertically and downwardly fixedly arranged on the upper side of the cylinder connecting plate 25, the tube-taking connecting plate 28 is horizontally and fixedly arranged at the output end of the lifting cylinder 26, the lifting push rod 27 is vertically and fixedly arranged on one side of the tube-taking connecting plate 28, the lifting push rod 27 is vertically and slidably arranged on the cylinder connecting plate 25, the lower end of the lifting push rod 27 is of a hemispherical structure, a limit stop 33 is fixedly arranged at the upper end of the lifting push rod, an upper limit switch 35 and a lower limit switch 36 are respectively fixedly arranged on the upper side and the lower side of the switch bracket 34, a cylinder bracket 37 is vertically and fixedly arranged on one side below the tube-taking connecting plate 28, the tube-taking cylinder 29 is horizontally and fixedly arranged on one side of the cylinder bracket 37, the tube-taking cylinder 29 is parallel to the inflatable rotating shaft 8, the tube-taking bracket 38 is vertically and fixedly arranged on the output end of the tube-taking cylinder 29, the tube-taking bracket 38 is of an L-shaped structure, as shown in figure 7, an upper tube-supporting plate 39 is horizontally and fixedly arranged on one side above the tube-taking bracket 38, the upper tube-supporting plate 39 is of an arc-shaped structure, a tube-pressing cylinder 40 is vertically and upwardly fixedly arranged on the lower side of the tube-taking bracket 38, a lower tube-pressing plate 41 is horizontally and fixedly arranged on the output end of the tube-pressing cylinder 40, a rotating support 42 is horizontally and, the end part of the upper side of the rotating chute 30 is hinged to a rotating support 42, a plurality of reset springs 43 are evenly arranged between the upper side of the rotating chute 30 and the blanking support 24, the pipe discharging frame 32 is horizontally and fixedly arranged on one side above the reciprocating support 9, a chute support 44 is fixedly arranged on one side above the pipe discharging frame 32, and the fixed chute 31 is fixedly arranged on the upper side of the chute support 44 along the inclined direction. As shown in fig. 8 and 9, the bobbin feeding mechanism 4 of the present invention comprises a feeding frame 45, a bobbin placing tube 46, an upper bobbin holding cylinder 47, a lower bobbin holding cylinder 48 and a pushing cylinder 49, wherein the feeding frame 45 is vertically and fixedly arranged on the upper side of the reciprocating frame 9, the bobbin placing tube 46 is vertically and fixedly arranged on one side above the feeding frame 45, the upper side of the bobbin placing tube 46 is communicated with a bobbin storage bin 50, as shown in fig. 10, the bobbin placing tube 46 of the present invention is horizontally and fixedly provided with the upper bobbin holding cylinder 47 and the lower bobbin holding cylinder 48 from top to bottom in sequence, the output end of the upper bobbin holding cylinder 47 is horizontally and fixedly provided with an upper bobbin stop lever 51, the output end of the lower bobbin holding cylinder 47 is fixedly provided with a translation connecting plate 52, one side of the translation connecting plate 52 is horizontally and fixedly provided with a lower bobbin retaining plate 53 having a circular arc structure, the lower end of the bobbin placing tube 46 is provided with a connecting plate reciprocating groove 54 matched with the translation connecting plate 52 along the lower bobbin, the two sides of the lower end of the yarn tube placing tube 46 of the utility model are respectively and horizontally and fixedly provided with a doffing guide plate 55, the two sides of the doffing guide plate 55 are respectively and vertically provided with doffing guide rods 56 in a sliding way, the lower end of the doffing guide rod 56 is fixedly provided with a tube holding inclined rod 57, the upper side of the doffing guide plate 55 is horizontally provided with a spring baffle plate 58, the spring baffle plate 58 is arranged on the upper side of the doffing guide rod 56, the two ends of the lower side of the spring baffle plate 58 are respectively and fixedly connected with the upper ends of the doffing guide rods 56 on the two sides of the doffing guide plate 55, a lifting rod spring 59 is sleeved on the doffing guide rod 56 between the spring baffle plate 58 and the doffing guide plate 55, a synchronous connecting rod 60 is horizontally and fixedly connected between the two doffing guide rods 56 on the lower side of the doffing guide plate 55, a yarn tube placing tube support bracket 61 is, the output end of the push cylinder 49 is fixedly provided with a push cylinder connecting plate 62.

The utility model discloses a horizontal distance between the push away section of thick bamboo cylinder 49 of getting a tub cylinder 29 and yarn section of thick bamboo feed mechanism 4 of spool unloading mechanism 3 equals with the distance between two adjacent physiosis pivots 8 of leading yarn bottom plate 6 for after utilizing reciprocal translation mechanism 2 accurate translation to required position, two adjacent physiosis pivots 8 can utilize spool unloading mechanism 3 and yarn section of thick bamboo feed mechanism 4 to carry out the unloading of spool and the material loading of a yarn section of thick bamboo respectively in step, adopt spool unloading mechanism 3 and yarn section of thick bamboo feed mechanism 4 to work in step, the messenger can improve the efficiency that a yarn section of thick bamboo was changed, realize that sweater surface fabric high efficiency is orderly to weave. The utility model discloses a get pipe and link board 28 top one side both ends respectively vertical fixed be provided with lift guide 63, lift guide 63 slides along vertical direction and sets up in cylinder even board 25, realizes getting the steady accurate elevating movement of pipe even board 28. The utility model discloses a press pipe cylinder 40 output to push down pipe sheet 41 for opening convex structure up for pressing pipe sheet 41 when utilizing to press pipe cylinder 40 to promote upwards along vertical direction and push down pipe sheet 41, push down pipe sheet 41 can be better compress tightly with spool tip downside, ensure that the spool does not produce crooked the droing at the in-process of chucking translation. The utility model discloses a yarn section of thick bamboo above doff baffle 55 places pipe 46 both sides and is provided with doff blend stop 64 horizontally fixed respectively for a yarn section of thick bamboo can be under doff blend stop 64's effect accurate landing to physiosis pivot 8 one side, realizes that a yarn section of thick bamboo is accurate suit under the push action of a pusher even board 62 in physiosis pivot 8. The utility model discloses a 56 lower extremes of doffer guide rod hold a section of thick bamboo down tube 57 upside and rotate and be connected with guide tube pivot 65, guide tube pivot 65 with hold a section of thick bamboo down tube 57 and be parallel to each other for place in the yarn section of thick bamboo that holds a section of thick bamboo down tube 57 upside can be under guide tube pivot 65's bearing rotation effect steady smooth and easy carry out the translation motion. The utility model discloses a push away the fixed soft rubber layer 66 that is provided with of push away a flat 62 one side laminating of push away a cylinder 49 output for push away a flat 62 even can avoid push away a flat 62 to cause the scraping to destroy the yarn on the yarn section of thick bamboo with the steady in-process that promotes of yarn section of thick bamboo, realizes the high-quality propelling movement material loading of a yarn section of thick bamboo. The utility model discloses a cone-supporting down tube 57 of doffer guide arm 56 lower extreme is 30 degrees with the slope contained angle of horizontal plane, enables the steady efficient and realizes a yarn section of thick bamboo bearing whereabouts.

By adopting the technical scheme, when the automatic yarn drum replacing device for weaving the sweater fabric is used, the yarn drum is horizontally arranged on the upper side of the lower part of the yarn guide bracket 1 through the reciprocating translation mechanism 2, the bobbin blanking mechanism 3 and the yarn drum feeding mechanism 4 are sequentially and vertically arranged on two sides above the reciprocating translation mechanism 2 along the horizontal direction, the bobbin blanking mechanism 3 and the yarn drum feeding mechanism 4 can be driven to synchronously, stably and accurately perform translation motion along the horizontal direction by utilizing the reciprocating translation mechanism 2, the bobbins can be taken, placed and discharged one by one, the yarn drums can be horizontally pushed and fed one by utilizing the yarn drum feeding mechanism 4, the yarn drums can be continuously fed and replaced one by one after yarn discharge is completed, the automation degree of yarn drum replacement is improved, a plurality of yarn conveying bases 7 are sequentially and uniformly fixed on the yarn guide bottom plate 6 which is horizontally fixed at the middle part of the yarn guide bracket 1 along the horizontal direction, the yarn conveying base 7 is horizontally and rotatably connected with an inflatable rotating shaft 8, the inflatable rotating shaft 8 is used for conveniently and efficiently clamping and releasing a yarn barrel, the horizontal distance between a tube taking cylinder 29 of a bobbin discharging mechanism 3 and a tube pushing cylinder 49 of a yarn barrel feeding mechanism 4 is equal to the distance between two adjacent inflatable rotating shafts 8 of a yarn guide bottom plate 6, after the yarn barrel is accurately translated to a required position by using a reciprocating translation mechanism 2, the two adjacent inflatable rotating shafts 8 can respectively and synchronously utilize the bobbin discharging mechanism 3 and the yarn barrel feeding mechanism 4 to perform bobbin discharging and yarn barrel feeding, the bobbin discharging mechanism 3 and the yarn barrel feeding mechanism 4 are adopted to synchronously work, the yarn barrel replacing efficiency can be improved, the efficient and orderly weaving of wool fabric is realized, the reciprocating translation mechanism 2 is used for sequentially and stably performing translation motion along the horizontal direction, a plurality of inflatable rotating shafts 8 arranged along a yarn guide support 1 can sequentially and orderly replace the yarn barrel, two translation guide wheels 10 are respectively and symmetrically rotationally connected with two sides below a reciprocating support 9, two sides of a yarn guide support 1 below the reciprocating support 9 are respectively and horizontally provided with a translation guide groove 14 matched with the width of the translation guide wheel 10, the translation guide wheels 10 can accurately and smoothly roll along the translation guide groove 14, so that the reciprocating support 9 can efficiently and stably perform translation motion under the action of external force, two sides of a driving connecting plate 12 in the middle of the lower side of the reciprocating support 9 are respectively and vertically rotationally connected with a main translation gear 15 and an auxiliary translation gear 16, the main translation gear 15 and the auxiliary translation gear 16 are respectively meshed and connected with a fixed rack 13 on the lower side of the reciprocating support 9, a main connecting gear 17 on one side of the main translation gear 15 and an auxiliary connecting gear 19 on one side of the auxiliary translation gear 16 are in transmission connection through a connecting chain 20, and a main output gear 21 at the output end of a translation motor 11 and an auxiliary, the translation motor 11 is used for driving the main translation gear 15 and the auxiliary translation gear 16 to synchronously rotate, the main translation gear 15 and the auxiliary translation gear 16 can translate along the fixed rack 13 in the rotating process, so that the reciprocating support 9 can stably and accurately perform reciprocating translation motion in the horizontal direction under the driving of the translation motor 11, the blanking support 24 is vertically and fixedly arranged on the upper side of the reciprocating support 9, the lifting cylinder 26 is vertically and downwardly fixedly arranged on the upper side of the cylinder connecting plate 25, the output end of the lifting cylinder 26 is horizontally and fixedly provided with the pipe taking connecting plate 28, the lifting push rod 27 is vertically and fixedly arranged on one side of the pipe taking connecting plate 28, the lifting cylinder 26 is used for driving the pipe taking connecting plate 28 to perform lifting motion in the vertical direction, the pipe taking connecting plate 28 can drive the lifting push rod 27 to synchronously perform lifting motion in the lifting process, and the limit stop 33 is fixedly arranged at the, an upper limit switch 35 and a lower limit switch 36 are respectively fixedly arranged on the upper side and the lower side of the switch support 34, so that the tube taking connecting plate 28 and the lifting push rod 27 can stably and accurately perform lifting motion along the vertical direction, the rotating chute 30 is arranged on the lower side of the tube taking connecting plate 28, the end part of the upper side of the rotating chute 30 is hinged to the rotating support 42, a plurality of reset springs 43 are uniformly arranged between the upper side of the rotating chute 30 and the blanking support 24, when the lifting push rod 27 moves downwards under the driving of the tube taking connecting plate 28, the lifting push rod 27 can push the rotating chute 30 to rotate along the anticlockwise direction, when the lifting push rod 27 moves upwards under the driving of the tube taking connecting plate 28, the rotating chute 30 can rotate along the clockwise direction under the action of the reset springs 43, and the lower end of the lifting push rod 27 is of a hemispherical structure, so that the friction force between the lower end of the lifting, the lifting push rod 27 can smoothly push the rotating chute 30 to rotate, the tube taking cylinder 29 is horizontally and fixedly arranged on one side of the cylinder support 37 below the tube taking connecting plate 28, the tube taking support 38 is vertically and fixedly arranged at the output end of the tube taking cylinder 29, the tube taking support 38 is of an L-shaped structure, the upper tube bearing plate 39 of a circular arc structure is horizontally and fixedly arranged on one side above the tube taking support 38, the lower tube pressing plate 41 is horizontally and fixedly arranged at the output end of the tube pressing cylinder 40 vertically and upwardly arranged at the lower side of the tube taking support 38, when the tube taking connecting plate 28 moves to one side of the inflatable rotating shaft 8 under the driving of the lifting cylinder 26, the tube taking cylinder 29 is used for horizontally pushing the tube taking support 38, the tube taking support 38 can be quickly translated to one side of a bobbin sleeved on the inflatable rotating shaft 8, the upper tube bearing plate 39 is arranged at the upper side of the bobbin, the tube pressing cylinder 40 is used, the end part of the bobbin can be clamped and fixed by the cooperation of the upper tube bearing plate 39 and the lower tube pressing plate 41, the tube taking support 38 is driven by the tube taking cylinder 29 to reset and translate, the tube taking connecting plate 28 moves upwards under the drive of the lifting cylinder 26, the rotating chute 30 resets and rotates to an inclined position, so that the bobbin clamped and fixed at one side of the tube taking support 38 can be arranged at the upper side of the rotating chute 30, the lower tube pressing plate 41 is driven by the tube pressing cylinder 40 to move downwards, the end part of the bobbin loses clamping fixing force, the bobbin falls to the upper side of the rotating chute 30 under the action of gravity, the bobbin is horizontally and fixedly arranged at one side above the reciprocating support 9 through the tube discharging frame 32, the fixing chute 31 is fixedly arranged at the upper side of the chute support 44 at one side above the tube discharging frame 32 along the inclined direction, so that the bobbin falling to the upper side of the rotating chute 30 can slide into the tube discharging, the two ends of one side above the tube taking connecting plate 28 are respectively vertically and fixedly provided with a lifting guide rod 63, the lifting guide rods 63 are arranged on the cylinder connecting plate 25 in a sliding manner along the vertical direction, so that the tube taking connecting plate 28 can stably and accurately move up and down, the lower tube pressing plate 41 at the output end of the tube pressing cylinder 40 is of a circular arc structure with an upward opening, when the lower tube pressing plate 41 is pushed upwards along the vertical direction by the tube pressing cylinder 40, the lower tube pressing plate 41 can be better pressed against the lower side of the end part of a bobbin, the bobbin is ensured not to be inclined and fall off in the process of clamping and translation, the yarn tube placing tube 46 is vertically and fixedly arranged on one side above the feeding bracket 45, the upper side of the yarn tube placing tube 46 is communicated with the yarn tube storage hopper 50, a plurality of yarn tubes can be placed on the yarn tube placing tube 46 and the yarn tube storage hopper 50 simultaneously, and the yarn tubes can be placed on a, an upper tube bearing cylinder 47 and a lower tube bearing cylinder 48 are sequentially and horizontally and fixedly arranged on a yarn tube placing tube 46 from top to bottom, an upper tube bearing stop rod 51 is horizontally and fixedly arranged at the output end of the upper tube bearing cylinder 47, a lower tube bearing baffle plate 53 with a circular arc structure is horizontally and fixedly arranged on one side of a translation connecting plate 52 at the output end of the lower tube bearing cylinder 48, a connecting plate reciprocating groove 54 matched with the translation connecting plate 52 is arranged at the lower end of the yarn tube placing tube 46 along the side of the lower tube bearing cylinder 48, the upper tube bearing cylinder 47 pushes the upper tube bearing stop rod 51 to enable the upper tube bearing stop rod 51 to be horizontally inserted into a yarn tube, the lower tube bearing cylinder 48 horizontally pushes the lower tube bearing baffle plate 53 to enable the lower tube bearing baffle plate 53 to bear the yarn tube, the yarn tubes in the yarn tube placing tube 46 can stably fall one by utilizing the synchronous opposite actions of the upper tube bearing cylinder 47 and the lower tube bearing cylinder 48, and two sides of a tube bearing guide plate 55 at the lower end of the yarn tube placing, the lower end of the doffing guide rod 56 is fixedly provided with a doffing inclined rod 57, the two ends of the lower side of the spring baffle plate 58 are respectively fixedly connected with the upper ends of the doffing guide rods 56 at the two sides of the doffing guide plate 55, a lifting rod spring 59 is sleeved on the doffing guide rod 56 between the spring baffle plate 58 and the doffing guide plate 55, so that after a yarn tube falling in the yarn tube placing tube 46 falls on the doffing inclined rod 57, the yarn tube can drive the doffing guide rod 56 to slide downwards by utilizing the self gravity and compress the lifting rod spring 59, so that the yarn tube can stably fall, when the yarn tube on the doffing inclined rod 57 is horizontally pushed and placed on the air expansion rotating shaft 8, the doffing guide rod 56 can rapidly move upwards to reset under the elastic force of the lifting rod spring 59, so that the next yarn tube can be continuously supported and fall, a synchronous connecting rod 60 is fixedly connected between the two doffing guide rods 56 at the lower side of the doffing guide plate 55, so that the doffing guide rods 56 at the two sides of, the stable and efficient bearing falling of the yarn cylinder is realized, the push cylinder bracket 61 is horizontally and fixedly arranged on the feeding bracket 45 at the lower side of the yarn cylinder placing tube 46, the push cylinder 49 is horizontally and fixedly arranged at one side of the push cylinder bracket 61, the push cylinder connecting plate 62 is fixedly arranged at the output end of the push cylinder 49, the push cylinder connecting plate 62 is horizontally pushed by the push cylinder 49, the yarn cylinder placed at the upper side of the inclined bearing tube 57 can be horizontally and stably pushed to the inflatable rotating shaft 8, the stable pushing and feeding of the yarn cylinder are realized, the falling cylinder barrier strips 64 are respectively and horizontally and fixedly arranged at two sides of the yarn cylinder placing tube 46 above the falling cylinder guide plate 55, the falling position of the spring baffle plate 58 can be blocked and limited, the inclined bearing tube 57 can slide to a required position under the gravity action of the yarn cylinder, the yarn cylinder can accurately slide to one side of the inflatable rotating shaft 8 under the action of the falling cylinder barrier strips 64, the accurate sleeving of the yarn cylinder on the inflatable rotating shaft 8 under the pushing action of the push cylinder connecting plate 62, utilize the rotation of the upper side of the oblique pole 57 of the bearing section of thick bamboo that falls 56 lower extreme to be connected with guide cylinder pivot 65, guide cylinder pivot 65 is parallel to each other with the oblique pole 57 of the bearing section of thick bamboo, make the yarn section of thick bamboo of placing in the upper side of the oblique pole 57 of the bearing section of thick bamboo can be under the bearing rotation effect of guide cylinder pivot 65 steady smooth and easy the translational motion that carries on, utilize the fixed soft rubber layer 66 that is provided with of the even board 62 one side laminating of the ejector sleeve of ejector sleeve cylinder 49 output, make the even board 62 of ejector sleeve in-process with the steady promotion of yarn section of thick bamboo, can avoid the even board 62 of ejector sleeve to lead to the fact the scraping to destroy. Through such structure, the utility model has the advantages of reasonable design, can realize that a yarn section of thick bamboo is put yarn and is accomplished the back and change in succession material loading one by one, improve the degree of automation that a yarn section of thick bamboo was changed, satisfy the needs of plant use.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (8)

1. The utility model provides a yarn section of thick bamboo automatic exchange device for sweater surface fabric weaving which characterized in that: the automatic yarn drum replacing device for weaving the sweater fabric comprises a yarn guide bracket, a reciprocating translation mechanism, a yarn drum discharging mechanism and a yarn drum feeding mechanism, wherein the reciprocating translation mechanism is horizontally arranged on the upper side of the lower part of the yarn guide bracket, the yarn drum discharging mechanism and the yarn drum feeding mechanism are sequentially and vertically arranged on two sides above the reciprocating translation mechanism along the horizontal direction, two sides below the yarn guide bracket are respectively and horizontally and fixedly provided with a fixed base, the middle part of the yarn guide bracket is horizontally and fixedly provided with a yarn guide bottom plate, the yarn guide bottom plate is sequentially and uniformly and fixedly provided with a plurality of yarn transmission bases along the horizontal direction, the yarn transmission bases are horizontally and rotatably connected with an inflatable rotating shaft, the inflatable rotating shaft is vertically arranged on the yarn guide bottom plate, the reciprocating translation mechanism comprises a reciprocating bracket, a translation guide wheel, a translation motor, a driving connecting plate and a, two translation guide wheels are respectively and symmetrically connected on two sides below the reciprocating support in a rotating way, translation guide grooves matched with the width of the translation guide wheels are respectively and horizontally arranged on two sides of a yarn guide support below the reciprocating support, a driving connecting plate is fixedly arranged in the middle of the lower side of the reciprocating support and is parallel to the translation guide grooves, a main translation gear and an auxiliary translation gear are respectively and vertically and rotatably connected on two sides of the driving connecting plate, a fixed rack is horizontally arranged on the yarn guide support below the reciprocating support, the main translation gear and the auxiliary translation gear are both meshed and connected with the fixed rack, a main connecting gear and an auxiliary output gear are sequentially and coaxially arranged on one side of the main translation gear along the horizontal direction, an auxiliary connecting gear is vertically and coaxially arranged on one side of the auxiliary translation gear, the main connecting gear and the auxiliary connecting gear are in transmission connection through a connecting chain, and, the bobbin discharging mechanism comprises a discharging support, a cylinder connecting plate, a lifting cylinder, a lifting push rod, a tube taking connecting plate, a tube taking cylinder, a rotating chute, a fixed chute and a tube discharging frame, the discharging support is vertically and fixedly arranged on the upper side of the reciprocating support, the cylinder connecting plate is horizontally and fixedly arranged on one side above the discharging support, the lifting cylinder is vertically and downwardly fixedly arranged on the upper side of the cylinder connecting plate, the tube taking connecting plate is horizontally and fixedly arranged at the output end of the lifting cylinder, the lifting push rod is vertically and fixedly arranged on one side of the tube taking connecting plate, the lifting push rod is arranged on the cylinder connecting plate in a sliding manner along the vertical direction, the lower end of the lifting push rod is of a hemispherical structure, and a limit stop block is fixedly arranged at the upper end of the lifting push rod, a switch bracket is vertically and fixedly arranged on the upper side of the air cylinder connecting plate, the switch bracket is vertically arranged on one side above the lifting push rod, an upper limit switch and a lower limit switch are respectively and fixedly arranged on the upper side and the lower side of the switch bracket, an air cylinder bracket is vertically and fixedly arranged on one side below the tube taking connecting plate, the tube taking air cylinder is horizontally and fixedly arranged on one side of the air cylinder bracket, the tube taking air cylinder is parallel to the air expansion rotating shaft, the output end of the tube taking air cylinder is vertically and fixedly provided with a tube taking bracket, the tube taking bracket is of an L-shaped structure, an upper tube bearing plate is horizontally and fixedly arranged on one side above the tube taking bracket, the upper tube bearing plate is of a circular arc-shaped structure, a tube pressing air cylinder is vertically and upwardly and fixedly arranged on the lower side of the tube taking bracket, the output end of the tube pressing air cylinder is horizontally and fixedly provided with, a plurality of reset springs are uniformly arranged between the upper side of the rotating chute and the blanking support, the blanking frame is horizontally and fixedly arranged on one side above the reciprocating support, a chute support is fixedly arranged on one side above the blanking frame, the fixed chute is fixedly arranged on the upper side of the chute support along the inclined direction, the yarn cylinder feeding mechanism comprises a feeding support, a yarn cylinder placing pipe, an upper bearing cylinder, a lower bearing cylinder and a pushing cylinder, the feeding support is vertically and fixedly arranged on the upper side of the reciprocating support, the yarn cylinder placing pipe is vertically and fixedly arranged on one side above the feeding support, the upper side of the yarn cylinder placing pipe is communicated with a yarn cylinder storage hopper, the yarn cylinder placing pipe is sequentially and horizontally and fixedly provided with the upper bearing cylinder and the lower bearing cylinder from top to bottom, the output end of the upper bearing cylinder is horizontally and fixedly provided with an upper bearing cylinder stop rod, the output end of the lower bearing cylinder is fixedly provided with a translation connecting plate, one side of the translation connecting plate is horizontally, the lower end of the yarn tube placing tube is provided with a connecting plate reciprocating groove matched with the translation connecting plate along the side of a lower bobbin bearing cylinder, two sides of the lower end of the yarn tube placing tube are respectively and horizontally and fixedly provided with bobbin guide plates, two sides of the bobbin guide plates are respectively and vertically provided with bobbin guide rods in a sliding manner, the lower ends of the bobbin guide rods are fixedly provided with bobbin inclined rods, the upper sides of the bobbin guide plates are horizontally provided with spring baffles, the spring baffles are arranged on the upper sides of the bobbin guide rods, two ends of the lower sides of the spring baffles are respectively and fixedly connected with the upper ends of the bobbin guide rods on two sides of the bobbin guide plates, a lifting rod spring is sleeved on the bobbin guide rods between the spring baffles and the bobbin guide plates, a synchronous connecting rod is horizontally and fixedly connected between the two bobbin guide rods on the lower sides of the bobbin guide plates, a bobbin pushing support is horizontally and fixedly arranged on a feeding support, the push cylinder is parallel to the inflatable rotating shaft, and a push cylinder connecting plate is fixedly arranged at the output end of the push cylinder.

2. The automatic bobbin replacing device for weaving sweater fabrics as claimed in claim 1, is characterized in that: the horizontal distance between the tube taking cylinder of the bobbin discharging mechanism and the cylinder pushing cylinder of the yarn cylinder feeding mechanism is equal to the distance between two adjacent inflatable rotating shafts of the yarn guide bottom plate.

3. The automatic bobbin replacing device for weaving sweater fabrics as claimed in claim 1, is characterized in that: get a pipe and connect board top one side both ends respectively vertical fixed lifting guide pole that is provided with, lifting guide pole sets up in cylinder even board along vertical direction slip.

4. The automatic bobbin replacing device for weaving sweater fabrics as claimed in claim 1, is characterized in that: and the lower pressing tube plate at the output end of the pressure tube cylinder is of a circular arc structure with an upward opening.

5. The automatic bobbin replacing device for weaving sweater fabrics as claimed in claim 1, is characterized in that: and doffing barrier strips are respectively and horizontally and fixedly arranged on two sides of the yarn bobbin placing pipe above the doffing guide plate.

6. The automatic bobbin replacing device for weaving sweater fabrics as claimed in claim 1, is characterized in that: the upper side of the bearing tube inclined rod at the lower end of the doffing guide rod is rotatably connected with a guide tube rotating shaft, and the guide tube rotating shaft is parallel to the bearing tube inclined rod.

7. The automatic bobbin replacing device for weaving sweater fabrics as claimed in claim 1, is characterized in that: and a soft rubber layer is fixedly arranged on one side of the push cylinder connecting plate at the output end of the push cylinder in a laminating manner.

8. The automatic bobbin replacing device for weaving sweater fabrics as claimed in claim 1, is characterized in that: the inclined included angle between the inclined tube bearing rod at the lower end of the tube falling guide rod and the horizontal plane is 30 degrees.

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