Automatic bobbin replacement device for texturing machine

Abstract

The invention discloses an automatic bobbin replacement device for a texturizing machine, comprising a frame, a bobbin, a winding unit, a bobbin changing unit and a threading unit. The winding unit comprises a rotating roller, two connecting strips, a stepping motor and a servo motor. Both ends of the connecting strip are provided with fixing components. The frame is provided with upper and lower bobbin components. The bobbin changing unit is located at the rear side of the winding unit, comprises a bobbin box, a separation component and a driving component. The bobbin box is rotatably connected to the frame, and the threading unit is located at the front side of the winding unit. The connecting strip rotates 180 degrees to change the positions of the two fixing components, and then the upper and lower bobbin components release the fixation of the bobbin, and the wound bobbin falls off. The separation component separates the lowermost bobbin and fixes the bobbin. The bobbin box rotates, and the opening of the bobbin faces the scissors frame. The threading unit carries the silk thread through the bobbin, and then the frame is reset, the bobbin box is rotated and reset, the bobbin box is moved to the fixing component, and the upper and lower material components enable the bobbin fixing component to fix the bobbin.

Description

Technical Field

[0001] The invention relates to the technical field of texturing machines, and in particular to an automatic bobbin replacement device for texturing machines. Background Art

[0002] The texturizing machine is a textile machine that processes untwisted silk into uniformly elastic and highly elastic silk threads. The texturized silk threads are wound up through bobbins. Currently, after the bobbins are wound up, they need to be manually removed and replaced with new bobbins. At the same time, the broken threads need to be connected to the new bobbins, which is a large workload. Summary of the invention

[0003] The purpose of the present invention is to provide a device for automatically replacing bobbins of a texturing machine, which has the advantages of improving the degree of automation and reducing the workload of workers.

[0004] The above technical objectives of the present invention are achieved through the following technical solutions:

[0005] A device for automatically replacing a bobbin of a texturizing machine comprises a frame, a bobbin, a winding unit, a bobbin changing unit and a threading unit, wherein the winding unit comprises a rotating roller, two connecting bars, a stepper motor 1 fixedly connected to the frame, and a servo motor 1, wherein the rotating roller is between the two connecting bars, and the rotating roller is fixedly connected to the output shaft of the servo motor 1, two concave bars are connected between the two connecting bars, and the rotating roller is located in the notches of the two concave bars, the output shaft of the stepper motor 1 is fixedly connected to one of the connecting bars, both ends of the two connecting bars are provided with fixing components for fixing the bobbin, the frame is also provided with an upper and lower bobbin component cooperating with the two fixing components, and the changing unit is provided with a rotating roller. The bobbin unit is located at the rear side of the winding unit, and includes a bobbin box, a separation assembly, and a driving assembly for driving the bobbin box to move. The bobbin box is rotatably connected to the frame, and the separation assembly is arranged at the lower part of the bobbin box. The threading unit is located at the front side of the winding unit, and includes a scissors frame, a wire ring, pneumatic finger 1, pneumatic finger 2, slider 1, slider 2, slider 3, and a screw mechanism for driving the scissors frame to deform. The slider 1, slider 2, and slider 3 are connected to the scissors frame, and the wire ring, pneumatic finger 1, and pneumatic finger 2 are respectively connected to slider 1, slider 2, and slider 3. The clamping finger of the pneumatic finger 2 is provided with a blade, and the frame is also provided with a pneumatic finger 3 that cooperates with the pneumatic finger 1.

[0006] By adopting the above technical scheme, after the bobbin is wound, pneumatic finger one clamps the silk thread, pneumatic finger two cuts the silk thread, stepper motor one drives the connecting strip to rotate 180 degrees, so that the two fixed components change positions, and then the upper and lower bobbin components release the fixation of the bobbin, and the wound bobbin falls. The bobbin box is separated by the separation component, so that the bottom bobbin in the bobbin box is separated, and then the bobbin is fixed, the scissors frame is deformed, so that pneumatic finger one extends forward with the silk thread, the bobbin box rotates, so that the opening of the bobbin faces the scissors frame, and then the bobbin is moved so that the bobbin passes through the scissors frame, and pneumatic finger three is to the position between pneumatic finger one and the wire ring, pneumatic finger three clamps the silk thread, pneumatic finger two releases, the bobbin moves out of the scissors frame, the scissors frame is reset, the bobbin box rotates and resets, the bobbin box is moved to the fixed component, and the upper and lower material components enable the bobbin fixing component to fix the bobbin.

[0007] Preferably, the fixing assembly comprises a frustum 1, a frustum 2 and a U-shaped frame 1, the frustum 1 and the frustum 2 are both rotatably connected with a cylindrical rod, the concave bar is provided with two cylindrical protrusions, and the U-shaped frame 1 is slidably connected with the two cylindrical protrusions, the two horizontal bars of the U-shaped frame 1 are respectively on the outside of the two connecting bars, the horizontal bar of the U-shaped frame 1 is provided with a through hole for the cylindrical rod to pass through, the connecting bar is provided with a waist-shaped groove 1 for the cylindrical rod to pass through and move, the cylindrical rod is provided with a limit plate and is sleeved with a spring 1, the limit plate is located between the horizontal bar and the connecting bar of the U-shaped frame 1, and the spring 1 is located between the limit plate and the horizontal bar of the U-shaped frame 1.

[0008] By adopting the above technical solution, under the action of spring 1, the limit plate and the abutment strip abut against each other, at which time the distance between the first round table and the second round table is the smallest, and the bobbin is fixed.

[0009] Preferably, the cylindrical protrusion is provided with a limit block and is sleeved with a second spring, wherein the second spring is located between the limit block and the first U-shaped frame.

[0010] By adopting the above technical solution, spring two is compressed. Under the action of spring two, U-shaped frame one and frustum one and frustum two on U-shaped frame one are in the lowest position, that is, at this time, the lower end of the cylindrical rod and the waist-shaped groove one are in contact. At this time, the wire bobbin is fixed to frustum one and frustum two, and the wire bobbin just contacts the rotating roller.

[0011] Preferably, the upper and lower spool assemblies include two interference bars and two cylinder threes. The two interference bars are on the outside of the two connecting bars, and the interference bars are between the connecting bars and the limit plates. The upper and lower parts of the interference bars are provided with waist-shaped grooves two for the cylindrical rods to pass through. Both ends of the upper and lower ends of the two interference bars extend beyond the connecting bars. The telescopic rods of the two cylinder threes are fixedly connected with interference plates, and the two interference plates are between the protruding parts of the lower ends of the two interference bars.

[0012] By adopting the above technical solution, after the contact plate contacts the contact bar, the contact bar is driven to move outwards, and the contact bar drives the first and second frustums of the two fixed components to move outwards at the same time through the limiting plate.

[0013] Preferably, the separation assembly comprises a U-shaped frame 2 with a notch facing downward, two upper blocking rods, two lower blocking rods, two cylinders 1, cylinder 2 and a baffle; a downward extension plate is provided on the rear side of the bobbin box; the U-shaped frame 2 is slidably connected to the bobbin box; two vertical bars of the U-shaped frame 2 are one long and one short, and the two vertical bars are respectively provided with an upper extension rod and a lower extension rod; the two upper blocking rods are fixedly connected to the upper extension rod, the two lower blocking rods are fixedly connected to the lower extension rod, the telescopic rod of the cylinder 2 is fixedly connected to the U-shaped frame 2, a notch is provided on the front side of the bobbin box, the baffle is in the notch, the two cylinders 1 are fixedly connected to the front side of the bobbin box, and the telescopic rod of the cylinder 1 is fixedly connected to the baffle.

[0014] The above technical scheme is adopted, initially the upper blocking rod is outside the bobbin box, the lower blocking rod is below the bobbin box, the stacked bobbins fall on the lower blocking rod, the cylinder one drives the baffle to leave the gap, the cylinder two drives the U-shaped frame two to move forward, so that half of the upper blocking rod enters the bobbin box, in this way, the upper blocking rod and the lower blocking rod fix the bobbin, the silk thread is threaded into the bobbin through the threading unit, and then the driving assembly drives the bobbin box to move forward, so that the bobbin enters the upper fixed assembly, and controls the spacing between the two upper blocking rods and the lower blocking rod, so that the two upper blocking rods and the lower blocking rod are respectively located on both sides of the rotating roller, and then the upper and lower bobbin assemblies reset the frustum one and the frustum two to fix the bobbin, and then the cylinder one drives the baffle to move back to the gap, so that the baffle does not affect the resetting of the bobbin box, and the bobbin box moves backward to reset.

[0015] Preferably, a rotating disk is fixedly connected to the outer wall of the spool box, a movable frame is slidably connected to the frame, the rotating disk and the movable frame are rotatably connected, and the top surface of the rotating disk is higher than the top surface of the movable frame, a circle of teeth is provided on the raised part of the rotating disk, a stepper motor 2 is provided on the movable frame, the output shaft of the stepper motor 2 is fixedly connected to a gear 1, a U-shaped adapter plate is provided on the bottom surface of the movable frame, and the pneumatic finger 3 is fixedly connected to the adapter plate.

[0016] By adopting the above technical solution, the second stepping motor rotates, driving the bobbin box to rotate.

[0017] Preferably, the driving assembly includes a stepper motor three and a rack, the stepper motor three is fixedly connected to the movable frame, the rack is fixedly connected to the frame, and the output shaft of the stepper motor three is fixedly connected to gear two.

[0018] By adopting the above technical solution, the stepping motor rotates three times to drive the bobbin box to move. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of an embodiment;

[0020] Figure 2 It is a right view of the embodiment;

[0021] Figure 3 Schematic diagram of a winding unit in an embodiment;

[0022] Figure 4 This is a schematic diagram of a drum changing unit in an embodiment;

[0023] Figure 5 It is a schematic diagram of the material distribution component of the embodiment;

[0024] Figure 6 Schematic diagram of a threading unit according to an embodiment.

[0025] Figure numerals: 1, frame; 011, stabilizing bar; 012, top plate; 013, mobile frame; 2, winding unit; 21, rotating roller; 211, protruding column one; 22, connecting bar; 221, waist groove one; 222, protruding column two; 23, concave bar; 231, cylindrical protrusion; 232, spring two; 233, limit block; 24, stepping motor one; 25, servo motor; 26, cylindrical rod; 261, spring one; 262, limit plate; 27, U-shaped frame one; 28, resistance bar; 281, waist groove two; 29, resistance plate; 291, cylinder three; 3, bobbin changing unit; 31, bobbin box; 311, extension plate; 312, notch; 32, divider Component; 321, U-shaped frame 2; 322, upper extension rod; 3221, upper blocking rod; 323, lower extension rod; 3231, lower blocking rod; 324, cylinder 1; 325, cylinder 2; 326, baffle; 3261, bending part; 33, rotating disk; 34, stepper motor 2; 35, adapter plate; 351, pneumatic finger 3; 36, stepper motor 3; 37, rack; 4, threading unit; 41, scissors frame; 42, slider 1; 43, slider 2; 44, slider 3; 45, wire ring; 46, pneumatic finger 1; 47, pneumatic finger 2; 48, box body; 481, bidirectional screw rod; 482, servo motor 2; 483, connecting block. DETAILED DESCRIPTION

[0026] The following is only a preferred embodiment of the present invention, and the protection scope is not limited to this embodiment. All technical solutions under the concept of the present invention should belong to the protection scope of the present invention. At the same time, it should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

[0027] like Figures 1 to 6As shown, an automatic bobbin replacement device for a texturizing machine includes a frame 1, a bobbin, a winding unit 2, a bobbin changing unit 3 and a threading unit 4. The frame 1 is a square frame, and a top plate 012 and a bottom plate are fixedly connected at the top and bottom. The winding unit 2 is located in the square frame, and includes a rotating roller 21, two connecting bars 22, a stepper motor 24, and a servo motor 25. Stabilizing bars 011 are provided on the left and right sides of the frame 1, and a motor mounting plate is fixedly connected to the inner side of the stabilizing bar 011. The stepper motor 24 is fixedly connected to the motor mounting plate on the left, and the servo motor 25 is fixedly connected to the motor mounting plate on the right.

[0028] The rotating roller 21 is between the two connecting strips 22. Both ends of the rotating roller 21 are provided with raised columns 211. The two connecting strips 22 are provided with bearing grooves. Bearings are clamped in the bearing grooves. The inner ring of the raised column 211 is clamped with the inner ring of the bearing, and the raised column 211 on the right side passes through the connecting strip 22 on the right side. The output shaft of the servo motor 25 and the protruding part of the raised column 211 are fixedly connected by a coupling, so that the two connecting strips 22 and the rotating roller 21 can rotate with each other. When the servo motor 25 rotates, the rotating roller 21 can be driven to rotate.

[0029] Two concave bars 23 are connected between the two connecting bars 22. The parts on both sides of the notch of one concave bar 23 are fixedly connected to the front side surfaces of the two connecting bars 22, and the parts on both sides of the notch of the other concave bar 23 are fixedly connected to the rear side surfaces of the two connecting bars 22. In this way, the rotating roller 21 is also in the notch of the two concave bars 23, and the concave bars 23 connect the two connecting bars 22 so that the two connecting bars 22 rotate together. A raised column 222 is provided on the outer side surface of the left connecting bar 22, and the output shaft of the stepper motor is fixedly connected to the raised column 222.

[0030] Both ends of the connecting strip 22 are provided with fixing components for fixing the bobbin. Taking the fixing component at the top as an example, the fixing component includes frustum 1, frustum 2 and U-shaped frame 1 27. The ends of frustum 1 and frustum 2 with larger diameters are provided with fixing plates, and the ends with larger diameters are also provided with bearing grooves, in which bearings are clamped, and the inner ring of the bearings is clamped with a cylindrical rod 26, so that the cylindrical rod 26 and frustum 1 and frustum 2 are all rotatably connected. After the bobbin and frustum 1 and frustum 2 are fixed, the bobbin can rotate.

[0031] The concave bar 23 is provided with two cylindrical protrusions 231, and the U-shaped frame 27 is provided with a through hole for the two cylindrical protrusions 231 to pass through. A limiting block 233 is also provided at one end of the cylindrical protrusion 231 passing through the U-shaped frame 27. The cylindrical protrusion 231 is sleeved with a spring 232, and the spring 232 is located between the limiting block 233 and the U-shaped frame 27. The two horizontal bars of the U-shaped frame 27 are respectively on the outside of the two connecting bars 22, and the upper and lower parts of the connecting bar 22 are provided with a waist groove 221 for the cylindrical rod 26 to pass through and move. The two horizontal bars of the U-shaped frame 27 are provided with a through hole for the cylindrical rod 26 to pass through. A limiting plate 262 is provided on the cylindrical rod 26 and is sleeved with a spring 261. The limiting plate 262 is located between the connecting bar 22 and the horizontal bars of the U-shaped frame 27, and the spring 261 is located between the limiting plate 262 and the horizontal bars of the U-shaped frame 27.

[0032] The frame 1 is also provided with an upper and lower bobbin assembly that cooperates with the two fixed assemblies. The upper and lower bobbin assemblies include two interference bars 28 and two cylinder threes 291. The two interference bars 28 are on the outside of the two connecting bars 22, and the interference bar 28 is between the connecting bar 22 and the limit plate 262. The upper and lower parts of the interference bar 28 are provided with a waist-shaped groove 281 for the cylindrical rod 26 to pass through. The waist-shaped groove 281 is aligned with the waist-shaped groove 1 221. Both ends of the upper and lower ends of the two interference bars 28 extend beyond the connecting bar 22, and two interference plates 29 are provided between the protruding parts of the lower ends of the two interference bars 28. The two cylinder threes 291 are on the outside of the two interference bars 28, and the telescopic rods of the two cylinder threes 291 are fixedly connected to the two interference plates 29 respectively.

[0033] Under the action of spring 1 261, U-shaped frame 1 27 and truncated table 1 and truncated table 2 on U-shaped frame 1 27 are in the lowest position, that is, at this time, cylindrical rod 26 and the lower end of waist groove 1 221 are in contact, and at the same time, under the action of spring 232, limit plate 262 and contact strip 28 are in contact, at this time, the distance between truncated table 1 and truncated table 2 is the smallest, the bobbin is fixed, when the bobbin reels the yarn, the diameter of the bobbin increases, U-shaped frame 1 27, truncated table 1, truncated table 2 and bobbin move up, when the reeling is completed, the silk thread is cut, and the servo motor 25- Hold the rotation, the stepper motor rotates 180 degrees, so that the two fixed components are replaced, and the fixed component with the bobbin rotates to the lower end. The two cylinders 3 291 drive the two contact plates 29 to move outward. After the contact plates 29 contact the contact bars 28, they drive the contact bars 28 to move outward. The contact bars 28 pass through the limit plate 262, driving the frustum 1 and frustum 2 of the two fixed components to move outward at the same time, and the distance between the frustum 1 and the frustum 2 increases, and the bobbin of the lower fixed component falls off, and then the new bobbin is installed on the upper fixed component through the bobbin changing unit 3.

[0034] The bobbin changing unit 3 is located at the rear side of the winding unit 2, and includes a bobbin box 31, a separation assembly 32, and a driving assembly for driving the bobbin box 31 to move. A rectangular through slot is provided on the top plate 012, and the bobbin box 31 passes through the rectangular through slot, that is, the bobbin and a part are inside the frame 1, and a part is outside the frame 1. The bobbin and the part outside the frame 1 are fixedly connected with a rotating disk 33, and a moving frame 013 is slidably connected to the top plate 012. The cross-section of the moving frame 013 is concave, and the bottom ends on both sides of the notch of the moving frame 013 are T-shaped, and the top plate 012 is provided with T-shaped sliding grooves on both sides of the rectangular through slot.

[0035] A step hole is provided on the top surface of the movable frame 013, and the step hole includes a hole one on the upper side and a hole two on the lower side. The diameter of the hole two is smaller than the rotating disk 33, and the bobbin box 31 can pass through the hole two. The diameter of the hole one is larger than the rotating disk 33, and a bearing is clamped in the hole one. The rotating disk 33 and the inner ring of the bearing are clamped, and the rotating disk 33 is thicker, so that the top surface of the rotating disk 33 is higher than the top surface of the movable frame 013, and the raised part of the rotating disk 33 is provided with a circle of teeth. A stepper motor 2 34 is provided on the movable frame 013, and the output shaft of the stepper motor 2 34 is fixedly connected to the gear 1, so that the stepper motor 2 34 rotates, driving the bobbin box 31 to rotate.

[0036] The driving assembly includes a stepper motor three 36 and a rack 37. An extension plate is provided on the left side of the movable frame 013. The stepper motor three 36 and the extension plate are fixedly connected, and the extension plate is provided with a through hole for the output shaft of the stepper motor three 36 to pass through. The rack 37 is fixedly connected to the left part of the top plate 012. The output shaft of the stepper motor three 36 is fixedly connected with gear two. Gear two and rack 37 cooperate. The stepper motor three 36 rotates, driving the movable frame 013 and the bobbin box 31 to move forward and backward.

[0037] The separation assembly 32 includes a U-shaped frame 2 321 with a notch facing downward, two upper blocking rods 3221, two lower blocking rods 3231, two cylinders 1 324, a cylinder 2 325 and a baffle 326. A downward extension plate 311 is provided on the rear side of the spool box 31, and a notch 312 is provided on the front side of the spool box 31. The baffle 326 is located in the notch 312. A forward bending portion 3261 is provided at the bottom of the baffle 326. The two cylinders 1 324 are fixedly connected to the spool box 31 and are located on both sides of the notch 312. The telescopic rod of the cylinder 1 324 is fixedly connected to the bending portion 3261 of the baffle 326. A plug-in block is fixedly connected to the right side of the spool box 31, and the cross-section of the plug-in block is concave. The cross section of the U-shaped frame 321 is rectangular and matches the size of the notch of the plug-in block. The horizontal bar of the U-shaped frame 321 is plugged into the plug-in block, so that the bobbin box 31 is slidably connected, and the two vertical bars of the U-shaped frame 321 are one long and one short, and the two vertical bars are respectively provided with an upper extension rod 322 and a lower extension rod 323, two upper blocking rods 3221 are fixedly connected to the upper extension rod 322, and two lower blocking rods 3231 are fixedly connected to the lower extension rod 323. The rear side of the bobbin box 31 is provided with a through hole for inserting the two upper blocking rods 3221, and the two lower blocking rods 3231 are below the opening of the bobbin box 31. The telescopic rod of the cylinder 325 is fixedly connected to the U-shaped frame 321.

[0038] The distance between the upper blocking rod 3221 and the lower blocking rod 3231 is equal to the diameter of the bobbin, and the length of the upper blocking rod 3221 and the lower blocking rod 3231 is 3 cm larger than the diameter of the bobbin. Initially, the two upper blocking rods 3221 are outside the bobbin box 31, and the two lower blocking rods 3231 are below the bobbin box 31. The bobbins stacked in the bobbin box 31 fall on the two lower blocking rods 3231, and the cylinder 1 324 drives the baffle 326 to leave the gap 312, and then the cylinder 2 325 drives the U-shaped frame 2 321 to move forward, so that half of the upper blocking rod 3221 enters the bobbin box 31, so that the upper blocking rod 32 21. The lower blocking rod 3231 fixes the bobbin, and the silk thread is threaded into the bobbin through the threading unit 4. Then the driving assembly drives the bobbin box 31 to move forward, so that the bobbin enters the upper fixed assembly, and controls the distance between the two upper blocking rods 3221 and the lower blocking rod 3231, so that the two upper blocking rods 3221 and the lower blocking rod 3231 are respectively located on both sides of the rotating roller 21. Then the upper and lower bobbin assemblies reset the frustum 1 and the frustum 2 to fix the bobbin, and then the cylinder 1 324 drives the baffle 326 to move back to the notch 312, so that the baffle 326 does not affect the resetting of the bobbin box 31, and the bobbin box 31 moves backward to reset.

[0039] The threading unit 4 is located at the front side of the winding unit 2, and includes a scissors frame 41, a wire ring 45, a pneumatic finger 1 46, a starting finger 2, a slider 1 42, a slider 2 43, a slider 3 44, and a screw mechanism for driving the scissors frame 41 to deform. The hinge of the scissors frame 41 is hinged by bolts and nut fasteners. The slider 1 42, the slider 2 43, and the slider 3 44 are provided with threaded holes to replace the nuts and connect with the scissors frame 41, and the slider 1 42, the slider 2 43, and the slider 3 44 are arranged from front to back in sequence. The wire ring 45, the pneumatic finger 1 46, and the pneumatic finger 2 47 are respectively connected to the slider 1 42, the slider 2 43, and the slider 3 44, and the pneumatic finger 2 47 is provided with a blade (the blade is not shown in the figure). The above-mentioned: "When the winding is completed, the silk thread is cut", means that the silk thread is first clamped by the pneumatic finger 1 46, and then the pneumatic finger 2 47 clamps the silk thread.

[0040] The two hinges at the frontmost side of the scissors frame 41 are connected to a connecting block 483, and the screw mechanism includes a box body 48, a bidirectional screw 481, and a servo motor 252. The bidirectional screw 481 is rotatably connected to the box body 48, and one side of the bidirectional screw 481 passes through the box body 48, and the output shaft of the servo motor 252 is fixedly connected to the passing part. The two connecting blocks 483 are in the box body 48, and the width of the connecting block 483 is the same as the width of the box body 48, which limits the rotation of the connecting block 483. The rotating block is provided with a threaded through hole that cooperates with the bidirectional screw 481. In this way, the screw rotates, driving the two connecting blocks 483 to move toward each other, so that the scissors frame 41 is deformed.

[0041] The frame 1 is provided with a pneumatic finger 351 cooperating with the pneumatic finger 1 46, and the bottom surface of the movable frame 013 is provided with a U-shaped adapter plate 35, and the adapter plate 35 is at the rear side of the bobbin box 31, which does not affect the rotation of the bobbin box 31, and the pneumatic finger 351 is fixedly connected with the adapter plate 35, and the bobbin box 31 is first rotated 90 degrees by the stepper motor 2 34, so that the opening of the bobbin is facing forward and backward, and then the scissor frame 41 is deformed, so that the pneumatic finger 1 46 drives the silk thread to move backward, and then the driving component drives the bobbin to move forward, and the bobbin is inserted into the scissor frame 41, so that the pneumatic finger 1 46 silk thread passes through the bobbin, and the pneumatic finger 351 moves between the pneumatic finger 1 46 and the wire ring 45, and the pneumatic finger 1 46 and the pneumatic finger Pneumatic finger 1 46 and pneumatic finger 2 47 are the same as pneumatic finger 3 351. The clamping fingers of pneumatic finger 1 46 and pneumatic finger 2 47 are closed, and the clamping fingers of pneumatic finger 3 351 are opened, so that pneumatic finger 1 46 and pneumatic finger 2 47 can pass through pneumatic finger 3 351, and then pneumatic finger 3 351 clamps the silk thread, and the clamping fingers of pneumatic finger 1 46 and pneumatic finger 2 47 are opened, the bobbin is moved out, the scissors frame 41 is reset, and the bobbin box 31 is reset, and the silk thread is passed through the bobbin. Then, according to the above steps, the bobbin is loaded into the fixed component, and then the bobbin is driven to rotate and reel in the silk thread. At the same time, pneumatic finger 3 351 keeps clamping the silk thread first, so that the silk thread is broken during the rotation of the bobbin, and then the pneumatic finger 3 351 is released to make the broken thread fall off.

Claims

1. A device for automatically replacing bobbins for a texturing machine, characterized in that: The invention comprises a frame (1), a bobbin, a winding unit (2), a bobbin changing unit (3) and a threading unit (4); the winding unit (2) comprises a rotating roller (21), two connecting bars (22), a stepping motor (24) fixedly connected to the frame (1), and a servo motor (25); the rotating roller (21) is between the two connecting bars (22), and the output shafts of the rotating roller (21) and the servo motor (25) are fixedly connected; two concave bars (23) are connected between the two connecting bars (22), and the rotating roller (21) is located in the recesses of the two concave bars (23); the output shaft of the stepping motor (24) is fixedly connected to one of the connecting bars (22); the two connecting bars (22) are connected to the rotating roller (21) and the output shaft of the stepping motor (24) is fixedly connected to one of the connecting bars (22); Both ends of the connecting strip (22) are provided with fixing components for fixing the bobbin, and the frame (1) is also provided with an upper and lower bobbin components cooperating with the two fixing components. The bobbin changing unit (3) is located at the rear side of the winding unit (2) and comprises a bobbin box (31), a separation component (32), and a driving component for driving the bobbin box (31) to move. The bobbin box (31) and the frame (1) are rotatably connected, and the separation component (32) is arranged at the lower part of the bobbin box (31). The threading unit (4) is located at the front side of the winding unit (2) and comprises a scissor frame (41), a wire ring (45), a pneumatic finger 1 (46), a pneumatic finger 2 (47), a slider 1 (42), a slider 2 (43), a slider 3 (44), and a slider 45. 4) a screw mechanism for driving the scissor frame (41) to deform, wherein the slider 1 (42), the slider 2 (43), the slider 3 (44) are connected to the scissor frame (41), and the wire ring (45), the pneumatic finger 1 (46), the pneumatic finger 2 (47) are respectively connected to the slider 1 (42), the slider 2 (43), the slider 3 (44), the clamping finger of the pneumatic finger 2 (47) is provided with a blade, and the frame (1) is also provided with a pneumatic finger 3 (351) matching the pneumatic finger 1 (46); the fixed component comprises a round table 1, a round table 2 and a U-shaped frame 1 (27), the round table 1 and the round table 2 are both rotatably connected to a cylindrical rod (26), and the concave strip (23) is provided with two cylindrical protrusions ( 231), and a U-shaped frame (27) and two cylindrical protrusions (231) are slidably connected, the two horizontal bars of the U-shaped frame (27) are respectively on the outside of the two connecting bars (22), the horizontal bar of the U-shaped frame (27) is provided with a through hole for the cylindrical rod (26) to pass through, the connecting bar (22) is provided with a waist-shaped groove (221) for the cylindrical rod (26) to pass through and move, the cylindrical rod (26) is provided with a limit plate (262) and is sleeved with a spring (261), the limit plate (262) is located between the horizontal bar of the U-shaped frame (27) and the connecting bar (22), and the spring (261) is located between the limit plate (262) and the horizontal bar of the U-shaped frame (27);The upper and lower spool components include two abutment bars (28) and two cylinders (291). The two abutment bars (28) are located outside the two connecting bars (22), and the abutment bars (28) are located between the connecting bars (22) and the limiting plate (262). The upper and lower parts of the abutment bars (28) are provided with waist-shaped grooves (281) for the cylindrical rod (26) to pass through. The upper and lower ends of the two abutment bars (28) both extend beyond the connecting bars (22). The telescopic rods of the two cylinders (291) are fixedly connected with a abutment plate (29), and the two abutment plates (29) are located between the extending parts of the lower ends of the two abutment bars (28). The separation component (32) includes a U-shaped frame (321) with a notch facing downward, two upper blocking rods (3221), two lower blocking rods (3231), two cylinders (324), a cylinder (325) and a baffle (32 6), a downward extension plate (311) is provided on the rear side of the bobbin box (31), the U-shaped frame 2 (321) is slidably connected to the bobbin box (31), the two vertical bars of the U-shaped frame 2 (321) are one long and one short, and the two vertical bars are respectively provided with an upper extension rod (322) and a lower extension rod (323), the two upper blocking rods (3221) are fixedly connected to the upper extension rod (322), the two lower blocking rods (3231) are fixedly connected to the lower extension rod (323), the telescopic rod of the cylinder 2 (325) is fixedly connected to the U-shaped frame 2 (321), the front side of the bobbin box (31) is provided with a notch (312), the baffle (326) is in the notch (312), the two cylinders 1 (324) are fixedly connected to the front side of the bobbin box (31), and the telescopic rod of the cylinder 1 (324) is fixedly connected to the baffle (326). ; 2. The automatic bobbin replacement device for a texturizing machine according to claim 1, characterized in that: The cylindrical protrusion (231) is provided with a limit block (233) and is sleeved with a second spring (232), wherein the second spring (232) is located between the limit block (233) and the first U-shaped frame (27).

3. The automatic bobbin replacement device for a texturizing machine according to claim 1, characterized in that: The outer wall of the bobbin box (31) is fixedly connected with a rotating disk (33), the frame (1) is slidably connected with a moving frame (013), the rotating disk (33) and the moving frame (013) are rotatably connected, and the top surface of the rotating disk (33) is higher than the top surface of the moving frame (013), the raised portion of the rotating disk (33) is provided with a circle of teeth, the moving frame (013) is provided with a second stepping motor (34), the output shaft of the second stepping motor (34) is fixedly connected with a first gear, the bottom surface of the moving frame (013) is provided with a U-shaped adapter plate (35), and the third pneumatic finger (351) is fixedly connected with the adapter plate (35).

4. The automatic bobbin replacement device for a texturizing machine according to claim 3, characterized in that: The driving assembly comprises a stepper motor three (36) and a rack (37); the stepper motor three (36) is fixedly connected to the moving frame (013); the rack (37) is fixedly connected to the frame (1); and the output shaft of the stepper motor three (36) is fixedly connected to gear two.

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